main external API structure. More...
#include <avcodec.h>
Data Fields | |
const AVClass * | av_class |
information on struct for av_log
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int | bit_rate |
the average bitrate
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int | bit_rate_tolerance |
number of bits the bitstream is allowed to diverge from the reference. | |
int | flags |
CODEC_FLAG_*. | |
int | sub_id |
Some codecs need additional format info. | |
int | me_method |
Motion estimation algorithm used for video coding. | |
uint8_t * | extradata |
some codecs need / can use extradata like Huffman tables. | |
int | extradata_size |
AVRational | time_base |
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented. | |
int | width |
picture width / height. | |
int | height |
int | gop_size |
the number of pictures in a group of pictures, or 0 for intra_only
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enum PixelFormat | pix_fmt |
Pixel format, see PIX_FMT_xxx. | |
int | rate_emu |
Frame rate emulation. | |
void(* | draw_horiz_band )(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band. | |
int | sample_rate |
samples per second | |
int | channels |
number of audio channels | |
enum SampleFormat | sample_fmt |
audio sample format
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int | frame_size |
Samples per packet, initialized when calling 'init'. | |
int | frame_number |
audio or video frame number | |
int | real_pict_num |
Returns the real picture number of previous encoded frame. | |
int | delay |
Number of frames the decoded output will be delayed relative to the encoded input. | |
float | qcompress |
amount of qscale change between easy & hard scenes (0.0-1.0) | |
float | qblur |
amount of qscale smoothing over time (0.0-1.0) | |
int | qmin |
minimum quantizer
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int | qmax |
maximum quantizer
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int | max_qdiff |
maximum quantizer difference between frames
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int | max_b_frames |
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input. | |
float | b_quant_factor |
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset). | |
int | rc_strategy |
obsolete FIXME remove | |
int | b_frame_strategy |
int | hurry_up |
hurry up amount
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struct AVCodec * | codec |
void * | priv_data |
int | rtp_payload_size |
void(* | rtp_callback )(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
int | mv_bits |
int | header_bits |
int | i_tex_bits |
int | p_tex_bits |
int | i_count |
int | p_count |
int | skip_count |
int | misc_bits |
int | frame_bits |
number of bits used for the previously encoded frame
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void * | opaque |
Private data of the user, can be used to carry app specific stuff. | |
char | codec_name [32] |
enum AVMediaType | codec_type |
enum CodecID | codec_id |
unsigned int | codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | workaround_bugs |
Work around bugs in encoders which sometimes cannot be detected automatically. | |
int | luma_elim_threshold |
luma single coefficient elimination threshold
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int | chroma_elim_threshold |
chroma single coeff elimination threshold
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int | strict_std_compliance |
strictly follow the standard (MPEG4, . | |
float | b_quant_offset |
qscale offset between IP and B-frames
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int | error_recognition |
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors. | |
int(* | get_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it. | |
void(* | release_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer. | |
int | has_b_frames |
Size of the frame reordering buffer in the decoder. | |
int | block_align |
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs. | |
int | parse_only |
int | mpeg_quant |
0-> h263 quant 1-> mpeg quant
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char * | stats_out |
pass1 encoding statistics output buffer
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char * | stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here. | |
float | rc_qsquish |
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax. | |
float | rc_qmod_amp |
int | rc_qmod_freq |
RcOverride * | rc_override |
ratecontrol override, see RcOverride
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int | rc_override_count |
const char * | rc_eq |
rate control equation
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int | rc_max_rate |
maximum bitrate
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int | rc_min_rate |
minimum bitrate
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int | rc_buffer_size |
decoder bitstream buffer size
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float | rc_buffer_aggressivity |
float | i_quant_factor |
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset). | |
float | i_quant_offset |
qscale offset between P and I-frames
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float | rc_initial_cplx |
initial complexity for pass1 ratecontrol
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int | dct_algo |
DCT algorithm, see FF_DCT_* below
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float | lumi_masking |
luminance masking (0-> disabled)
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float | temporal_cplx_masking |
temporary complexity masking (0-> disabled)
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float | spatial_cplx_masking |
spatial complexity masking (0-> disabled)
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float | p_masking |
p block masking (0-> disabled)
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float | dark_masking |
darkness masking (0-> disabled)
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int | idct_algo |
IDCT algorithm, see FF_IDCT_* below. | |
int | slice_count |
slice count
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int * | slice_offset |
slice offsets in the frame in bytes
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int | error_concealment |
error concealment flags
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unsigned | dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e. | |
int | bits_per_coded_sample |
bits per sample/pixel from the demuxer (needed for huffyuv). | |
int | prediction_method |
prediction method (needed for huffyuv)
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AVRational | sample_aspect_ratio |
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel. | |
AVFrame * | coded_frame |
the picture in the bitstream
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int | debug |
debug
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int | debug_mv |
debug
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uint64_t | error [4] |
error
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int | mb_qmin |
minimum MB quantizer
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int | mb_qmax |
maximum MB quantizer
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int | me_cmp |
motion estimation comparison function
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int | me_sub_cmp |
subpixel motion estimation comparison function
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int | mb_cmp |
macroblock comparison function (not supported yet)
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int | ildct_cmp |
interlaced DCT comparison function
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int | dia_size |
ME diamond size & shape
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int | last_predictor_count |
amount of previous MV predictors (2a+1 x 2a+1 square)
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int | pre_me |
prepass for motion estimation
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int | me_pre_cmp |
motion estimation prepass comparison function
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int | pre_dia_size |
ME prepass diamond size & shape
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int | me_subpel_quality |
subpel ME quality
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enum PixelFormat(* | get_format )(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat | |
int | dtg_active_format |
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set. | |
int | me_range |
maximum motion estimation search range in subpel units If 0 then no limit. | |
int | intra_quant_bias |
intra quantizer bias
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int | inter_quant_bias |
inter quantizer bias
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int | color_table_id |
color table ID
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int | internal_buffer_count |
internal_buffer count Don't touch, used by libavcodec default_get_buffer(). | |
void * | internal_buffer |
internal_buffers Don't touch, used by libavcodec default_get_buffer(). | |
int | global_quality |
Global quality for codecs which cannot change it per frame. | |
int | coder_type |
coder type
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int | context_model |
context model
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int | slice_flags |
slice flags
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int | xvmc_acceleration |
XVideo Motion Acceleration
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int | mb_decision |
macroblock decision mode
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uint16_t * | intra_matrix |
custom intra quantization matrix
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uint16_t * | inter_matrix |
custom inter quantization matrix
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unsigned int | stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | scenechange_threshold |
scene change detection threshold 0 is default, larger means fewer detected scene changes. | |
int | lmin |
minimum Lagrange multipler
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int | lmax |
maximum Lagrange multipler
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struct AVPaletteControl * | palctrl |
palette control structure
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int | noise_reduction |
noise reduction strength
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int(* | reget_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it. | |
int | rc_initial_buffer_occupancy |
Number of bits which should be loaded into the rc buffer before decoding starts. | |
int | inter_threshold |
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int | flags2 |
CODEC_FLAG2_*
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int | error_rate |
Simulates errors in the bitstream to test error concealment. | |
int | antialias_algo |
MP3 antialias algorithm, see FF_AA_* below. | |
int | quantizer_noise_shaping |
quantizer noise shaping
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int | thread_count |
thread count is used to decide how many independent tasks should be passed to execute()
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int(* | execute )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things. | |
void * | thread_opaque |
thread opaque Can be used by execute() to store some per AVCodecContext stuff. | |
int | me_threshold |
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used. | |
int | mb_threshold |
Macroblock threshold below which the user specified macroblock types will be used. | |
int | intra_dc_precision |
precision of the intra DC coefficient - 8
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int | nsse_weight |
noise vs. | |
int | skip_top |
Number of macroblock rows at the top which are skipped. | |
int | skip_bottom |
Number of macroblock rows at the bottom which are skipped. | |
int | profile |
profile
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int | level |
level
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int | lowres |
low resolution decoding, 1-> 1/2 size, 2->1/4 size
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int | coded_width |
Bitstream width / height, may be different from width/height if lowres or other things are used. | |
int | coded_height |
int | frame_skip_threshold |
frame skip threshold
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int | frame_skip_factor |
frame skip factor
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int | frame_skip_exp |
frame skip exponent
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int | frame_skip_cmp |
frame skip comparison function
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float | border_masking |
Border processing masking, raises the quantizer for mbs on the borders of the picture. | |
int | mb_lmin |
minimum MB lagrange multipler
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int | mb_lmax |
maximum MB lagrange multipler
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int | me_penalty_compensation |
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enum AVDiscard | skip_loop_filter |
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enum AVDiscard | skip_idct |
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enum AVDiscard | skip_frame |
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int | bidir_refine |
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int | brd_scale |
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float | crf |
constant rate factor - quality-based VBR - values ~correspond to qps
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int | cqp |
constant quantization parameter rate control method
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int | keyint_min |
minimum GOP size
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int | refs |
number of reference frames
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int | chromaoffset |
chroma qp offset from luma
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int | bframebias |
Influences how often B-frames are used. | |
int | trellis |
trellis RD quantization
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float | complexityblur |
Reduce fluctuations in qp (before curve compression). | |
int | deblockalpha |
in-loop deblocking filter alphac0 parameter alpha is in the range -6...6
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int | deblockbeta |
in-loop deblocking filter beta parameter beta is in the range -6...6
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int | partitions |
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
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int | directpred |
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
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int | cutoff |
Audio cutoff bandwidth (0 means "automatic")
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int | scenechange_factor |
Multiplied by qscale for each frame and added to scene_change_score. | |
int | mv0_threshold |
Note: Value depends upon the compare function used for fullpel ME. | |
int | b_sensitivity |
Adjusts sensitivity of b_frame_strategy 1. | |
int | compression_level |
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int | use_lpc |
Sets whether to use LPC mode - used by FLAC encoder. | |
int | lpc_coeff_precision |
LPC coefficient precision - used by FLAC encoder
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int | min_prediction_order |
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int | max_prediction_order |
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int | prediction_order_method |
search method for selecting prediction order
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int | min_partition_order |
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int | max_partition_order |
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int64_t | timecode_frame_start |
GOP timecode frame start number, in non drop frame format
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int | request_channels |
Decoder should decode to this many channels if it can (0 for default)
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float | drc_scale |
Percentage of dynamic range compression to be applied by the decoder. | |
int64_t | reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
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int | bits_per_raw_sample |
Bits per sample/pixel of internal libavcodec pixel/sample format. | |
int64_t | channel_layout |
Audio channel layout. | |
int64_t | request_channel_layout |
Request decoder to use this channel layout if it can (0 for default)
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float | rc_max_available_vbv_use |
Ratecontrol attempt to use, at maximum, of what can be used without an underflow. | |
float | rc_min_vbv_overflow_use |
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow. | |
struct AVHWAccel * | hwaccel |
Hardware accelerator in use
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int | ticks_per_frame |
For some codecs, the time base is closer to the field rate than the frame rate. | |
void * | hwaccel_context |
Hardware accelerator context. | |
enum AVColorPrimaries | color_primaries |
Chromaticity coordinates of the source primaries. | |
enum AVColorTransferCharacteristic | color_trc |
Color Transfer Characteristic. | |
enum AVColorSpace | colorspace |
YUV colorspace type. | |
enum AVColorRange | color_range |
MPEG vs JPEG YUV range. | |
enum AVChromaLocation | chroma_sample_location |
This defines the location of chroma samples. | |
int(* | execute2 )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things. | |
int | weighted_p_pred |
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
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int | aq_mode |
AQ mode 0: Disabled 1: Variance AQ (complexity mask) 2: Auto-variance AQ (experimental)
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float | aq_strength |
AQ strength Reduces blocking and blurring in flat and textured areas. | |
float | psy_rd |
PSY RD Strength of psychovisual optimization
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float | psy_trellis |
PSY trellis Strength of psychovisual optimization
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int | rc_lookahead |
RC lookahead Number of frames for frametype and ratecontrol lookahead
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main external API structure.
New fields can be added to the end with minor version bumps. Removal, reordering and changes to existing fields require a major version bump. sizeof(AVCodecContext) must not be used outside libav*.
Definition at line 1030 of file avcodec.h.
MP3 antialias algorithm, see FF_AA_* below.
Definition at line 2060 of file avcodec.h.
Referenced by decode_init().
AQ mode 0: Disabled 1: Variance AQ (complexity mask) 2: Auto-variance AQ (experimental)
Definition at line 2622 of file avcodec.h.
Referenced by X264_init().
AQ strength Reduces blocking and blurring in flat and textured areas.
Definition at line 2630 of file avcodec.h.
Referenced by X264_init().
const AVClass* AVCodecContext::av_class |
information on struct for av_log
Definition at line 1035 of file avcodec.h.
Referenced by avcodec_get_context_defaults2().
Definition at line 1233 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), select_input_picture(), and X264_init().
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1227 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), X264_init(), and xvid_encode_init().
qscale offset between IP and B-frames
Definition at line 1368 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and xvid_encode_init().
Adjusts sensitivity of b_frame_strategy 1.
Definition at line 2398 of file avcodec.h.
Referenced by select_input_picture().
Influences how often B-frames are used.
Definition at line 2320 of file avcodec.h.
Referenced by X264_init().
Definition at line 2271 of file avcodec.h.
Referenced by bidir_refine().
the average bitrate
Definition at line 1041 of file avcodec.h.
Referenced by aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), add_video_stream(), adx_decode_header(), aea_read_header(), amf_parse_object(), apc_read_header(), asf_read_header(), asf_write_header1(), atrac3_decode_init(), audio_encode_example(), av_estimate_timings_from_bit_rate(), av_new_stream(), av_transcode(), avi_write_header(), avisynth_read_header(), bfi_read_header(), cin_read_header(), compute_bandwidth(), compute_status(), cook_decode_init(), daud_header(), dc1394_read_common(), dca_decode_frame(), decode_frame(), decode_ppc(), decode_wave_header(), dv_extract_audio_info(), dv_extract_video_info(), dv_init_demux(), dv_offset_reset(), dv_produce_packet(), ea_read_header(), encode_init(), Faac_encode_init(), ff_aac_ac3_parse(), ff_dnxhd_find_cid(), ff_parse_specific_params(), ff_wma_init(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flic_read_header(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_frame_size(), get_bit_rate(), get_sindex(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), idcin_read_header(), iff_read_header(), init_bitstream_params(), ipmovie_read_header(), iss_read_header(), libdirac_encode_init(), libgsm_init(), libschroedinger_encode_init(), matroska_read_header(), mlp_parse(), mmf_read_header(), modify_current_stream(), mov_build_index(), mov_write_esds_tag(), mov_write_uuidprof_tag(), MP3lame_encode_init(), MPA_encode_init(), mpeg_decode_postinit(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_read_header(), mpegvideo_extract_headers(), MPV_encode_init(), mtv_read_header(), mxf_write_d10_video_packet(), mxf_write_header(), mxf_write_mpegvideo_desc(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), parse_ffconfig(), pcm_bluray_parse_header(), psy_3gpp_window(), qcp_read_header(), qdm2_decode_init(), read_desc_chunk(), read_header(), real_parse_asm_rule(), rl2_read_header(), rm_read_header(), rm_write_header(), roq_read_packet(), rv10_write_header(), search_for_quantizers_twoloop(), seq_read_header(), sipr_decoder_init(), sox_read_header(), tmv_read_header(), twin_decode_frame(), twin_decode_init(), v4l2_read_header(), vid_read_header(), vid_read_packet(), video_encode_example(), vmd_read_header(), voc_get_packet(), vorbis_header(), vp8_init(), vqf_read_header(), vqf_read_seek(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xa_read_header(), and xvid_encode_init().
number of bits the bitstream is allowed to diverge from the reference.
the reference can be CBR (for CBR pass1) or VBR (for pass2)
Definition at line 1049 of file avcodec.h.
Referenced by add_codec(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), parse_ffconfig(), and X264_init().
bits per sample/pixel from the demuxer (needed for huffyuv).
Definition at line 1650 of file avcodec.h.
Referenced by aiff_write_header(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), av_find_stream_info(), avi_read_header(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cin_read_header(), cinepak_decode_init(), create_audio_stream(), daud_header(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_wave_header(), ea_read_header(), encode_init(), faac_decode_init(), ff_cmap_read_palette(), film_read_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipvideo_decode_init(), iss_read_header(), mmf_read_header(), mov_get_rawvideo_codec_tag(), mov_read_stsd(), mov_write_video_tag(), mpc8_read_header(), mpc_read_header(), mpegps_read_packet(), msrle_decode_frame(), msrle_decode_init(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), nsv_parse_NSVs_header(), nuv_header(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_encode_init(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), roq_read_packet(), rpl_read_header(), seq_read_header(), smacker_read_header(), smka_decode_init(), sox_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vqf_read_header(), wavpack_decode_init(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), and xa_read_header().
Bits per sample/pixel of internal libavcodec pixel/sample format.
This field is applicable only when sample_fmt is SAMPLE_FMT_S32.
Definition at line 2491 of file avcodec.h.
Referenced by av_transcode(), decode_frame(), decode_init(), decode_plane(), encode_init(), ff_flac_parse_streaminfo(), mlp_parse(), read_const_block_data(), read_header(), read_major_sync(), and read_var_block_data().
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
Definition at line 1416 of file avcodec.h.
Referenced by adpcm_decode_frame(), aea_read_header(), aea_read_packet(), aiff_read_header(), aiff_read_packet(), aiff_write_header(), aiff_write_trailer(), apc_read_header(), asf_write_header1(), atrac1_decode_frame(), atrac3_decode_frame(), atrac3_decode_init(), av_transcode(), av_write_header(), avi_read_header(), avi_write_packet(), avisynth_read_header(), cin_read_header(), cook_decode_frame(), cook_decode_init(), daud_header(), decode_init(), decode_packet(), decode_wave_header(), dxa_read_header(), ea_read_header(), encode_init(), ff_parse_specific_params(), ff_rm_parse_packet(), ff_rm_retrieve_cache(), ff_wma_init(), film_read_header(), flic_read_header(), fourxm_read_header(), get_aiff_header(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), matroska_parse_block(), matroska_read_header(), mov_read_stsd(), mxf_write_d10_audio_packet(), mxf_write_wav_common(), oma_read_header(), oma_read_packet(), pcm_encode_init(), ra288_decode_frame(), read_desc_chunk(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_packet(), seq_read_header(), sox_read_header(), sox_read_packet(), str_read_packet(), tta_decode_init(), vmd_read_header(), vmdaudio_decode_init(), wc3_read_header(), wmavoice_decode_init(), wmavoice_decode_packet(), wsaud_read_header(), wsvqa_read_header(), and xa_read_header().
Border processing masking, raises the quantizer for mbs on the borders of the picture.
Definition at line 2222 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
Definition at line 2278 of file avcodec.h.
Referenced by estimate_best_b_count().
int64_t AVCodecContext::channel_layout |
Audio channel layout.
Definition at line 2498 of file avcodec.h.
Referenced by ac3_decode_frame(), AC3_encode_init(), aea_read_header(), ape_decode_init(), av_transcode(), avcodec_string(), cook_decode_init(), dca_decode_frame(), decode_init(), ff_aac_ac3_parse(), flic_read_header(), imc_decode_init(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_configure(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), smka_decode_init(), vorbis_decode_init(), and wavpack_decode_init().
number of audio channels
Definition at line 1160 of file avcodec.h.
Referenced by aac_decode_frame(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), ac3_decode_init(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_decode_header(), adx_encode_frame(), adx_encode_header(), adx_encode_init(), aea_read_header(), aiff_write_header(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), apc_read_header(), ape_decode_frame(), ape_decode_init(), ape_read_header(), apply_window_and_mdct(), atrac1_decode_init(), atrac3_decode_init(), au_read_header(), au_read_packet(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_write_header(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_open(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), channel_setup(), cin_read_header(), compute_status(), construct_perm_table(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), dca_decode_init(), dec_gain(), decode_extension_payload(), decode_frame(), decode_init(), decode_ppc(), decode_stream_header(), decode_wave_header(), decoder_init(), do_audio_out(), dpcm_decode_init(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), faac_decode_frame(), faac_decode_init(), Faac_encode_frame(), Faac_encode_init(), faac_init_mp4(), ff_aac_ac3_parse(), ff_audio_interleave_init(), ff_flac_parse_streaminfo(), ff_mov_read_esds(), ff_psy_init(), ff_psy_preprocess(), ff_psy_preprocess_end(), ff_psy_preprocess_init(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_encode_init(), flic_read_header(), flv_read_packet(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_sindex(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), iff_read_packet(), imc_decode_init(), imdct_output(), init_bitstream_params(), init_mdct_win(), init_sample_buffers(), ipmovie_read_header(), iss_read_header(), iss_read_packet(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mace_decode_frame(), mace_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_read_stsd(), mov_write_audio_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_compress(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_configure(), output_packet(), parse_ffconfig(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_encode_init(), psy_3gpp_init(), psy_3gpp_window(), put_audio_specific_config(), qcp_read_header(), qdm2_decode_init(), r3d_read_red1(), read_and_decode_spectrum(), read_channel_data(), read_desc_chunk(), read_frame_data(), read_header(), read_packet(), read_restart_header(), read_specific_config(), revert_channel_correlation(), rl2_read_header(), rm_read_audio_stream_info(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_read_packet(), rtp_write_packet(), rv10_write_header(), sdp_parse_rtpmap(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), smacker_read_header(), smka_decode_init(), sol_read_header(), sox_read_header(), sox_write_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), twin_decode_frame(), twin_decode_init(), update_sample_display(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vqf_read_header(), wavpack_decode_frame(), wavpack_decode_init(), wc3_read_header(), write_audio_frame(), write_compressed_frame(), write_frame_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), xa_read_header(), xa_read_packet(), and yop_read_header().
chroma single coeff elimination threshold
Definition at line 1342 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
This defines the location of chroma samples.
Definition at line 2582 of file avcodec.h.
Referenced by av_transcode(), decode_init(), decode_vui_parameters(), dvvideo_init(), ff_h263_decode_init(), ff_h264_decode_init(), ff_mjpeg_decode_init(), mpeg_decode_init(), vp3_decode_init(), and yuv4_read_header().
chroma qp offset from luma
Definition at line 2313 of file avcodec.h.
Referenced by X264_init().
struct AVCodec* AVCodecContext::codec |
Definition at line 1243 of file avcodec.h.
Referenced by adpcm_decode_frame(), adpcm_decode_init(), av_find_stream_info(), avcodec_close(), avcodec_copy_context(), avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_flush_buffers(), avcodec_open(), close_connection(), common_init(), context_to_name(), decode_chunks(), decode_end(), decode_frame(), decode_init(), decode_nal_units(), decode_slice_header(), do_audio_out(), dpcm_decode_frame(), dpcm_decode_init(), eightsvx_decode_init(), encode_init(), execute_decode_slices(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), ff_vdpau_mpeg4_decode_picture(), ff_wma_init(), field_end(), g726_init(), h261_decode_init(), libgsm_init(), mov_write_video_tag(), mpeg_decode_init(), mpeg_get_pixelformat(), MPV_encode_init(), MPV_frame_end(), open_parser(), output_packet(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), pcm_encode_init(), show_stream(), svq1_decode_init(), svq3_decode_init(), try_decode_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vp56_add_predictors_dc(), vp56_decode_4mv(), vp56_init(), vp6_decode_init(), wma_decode_init(), write_frame(), xan_decode_frame(), and xan_decode_init().
Definition at line 1289 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_video_stream(), aea_read_header(), aiff_write_header(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), amr_read_packet(), apc_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), au_read_header(), au_read_packet(), audio_read_header(), audio_write_header(), av_find_stream_info(), av_read_frame_internal(), av_read_packet(), av_transcode(), av_write_header(), avcodec_align_dimensions2(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_header(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cdata_read_header(), choose_pixel_fmt(), cin_read_header(), commit_bitstream_and_slice_buffer(), compute_pkt_fields(), compute_status(), create_audio_stream(), cyuv_decode_frame(), daud_header(), dc1394_read_common(), decode_end(), decode_frame(), decode_init(), decode_mb(), decode_slice(), decode_stream_header(), dirac_header(), do_subtitle_out(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), encode_mb(), estimate_best_b_count(), extract_mpeg4_header(), ff_aac_ac3_parse(), ff_asf_parse_packet(), ff_audio_interleave_init(), ff_h264_decode_init(), ff_init_me(), ff_mjpeg_decode_frame(), ff_mjpeg_encode_picture_header(), ff_mov_read_esds(), ff_mov_write_packet(), ff_mpa_decode_header(), ff_pnm_decode_header(), ff_psy_init(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rm_retrieve_cache(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_header(), flac_read_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_sindex(), grab_read_header(), gxf_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), has_codec_parameters(), idcin_read_header(), iff_read_header(), iff_read_packet(), img_read_header(), img_read_packet(), imx_dump_header(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_only(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), lmlm4_read_header(), mace_decode_frame(), matroska_parse_block(), matroska_read_header(), mjpega_dump_header(), mkv_write_block(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_tracks(), mmf_read_header(), mov_find_codec_tag(), mov_get_codec_tag(), mov_read_enda(), mov_read_hdlr(), mov_read_stsd(), mov_read_trak(), mov_read_wave(), mov_write_audio_tag(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_header(), mov_write_uuidprof_tag(), mov_write_video_tag(), mov_write_wave_tag(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpeg_get_pixelformat(), mpeg_mux_init(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_push_data(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), mpegvideo_extract_headers(), MPV_encode_init(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_packet(), nc_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nsv_read_chunk(), nut_read_header(), nuv_header(), ogg_write_header(), ogg_write_packet(), ogg_write_trailer(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_audio(), open_input_file(), open_parser(), open_video(), output_packet(), parse(), parse_ffconfig(), pcm_decode_frame(), pmt_cb(), put_xiph_codecpriv(), pva_read_header(), qcp_read_header(), r3d_read_red1(), rdt_parse_packet(), rdt_parse_sdp_line(), read_access_unit(), read_desc_chunk(), read_ffserver_streams(), read_header(), read_kuki_chunk(), read_major_sync(), read_matrix_params(), read_restart_header(), remove_extradata(), rl2_read_header(), rm_ac3_swap_bytes(), rm_read_audio_stream_info(), roq_read_header(), roq_read_packet(), rpl_read_header(), rtp_parse_open(), rtp_parse_packet(), rtp_write_header(), rtp_write_packet(), rv10_decode_init(), rv10_write_header(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), sdp_parse_rtpmap(), seq_read_header(), set_codec_from_probe_data(), show_stream(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), sox_read_header(), sox_write_header(), sox_write_trailer(), sp5x_decode_frame(), spdif_write_header(), speex_header(), str_read_packet(), stream_component_open(), swf_read_packet(), swf_write_header(), swf_write_video(), tb_unreliable(), theora_header(), thp_read_header(), tmv_read_header(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vaapi_vc1_decode_slice(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), vmd_read_header(), voc_get_packet(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), xvid_encode_init(), yop_read_header(), and yuv4_read_header().
char AVCodecContext::codec_name[32] |
Definition at line 1287 of file avcodec.h.
Referenced by asf_write_header1(), avcodec_string(), mov_read_stsd(), rm_read_audio_stream_info(), and skeleton_header().
unsigned int AVCodecContext::codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs. A demuxer should set this to what is stored in the field used to identify the codec. If there are multiple such fields in a container then the demuxer should choose the one which maximizes the information about the used codec. If the codec tag field in a container is larger then 32 bits then the demuxer should remap the longer ID to 32 bits with a table or other structure. Alternatively a new extra_codec_tag + size could be added but for this a clear advantage must be demonstrated first.
Definition at line 1304 of file avcodec.h.
Referenced by aiff_write_header(), amr_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), au_read_header(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), cdata_read_header(), cin_read_header(), daud_header(), decode_frame(), decode_frame_byterun1(), decode_init(), decode_stream_header(), dpcm_decode_frame(), dpcm_decode_init(), ea_read_header(), ff_mjpeg_decode_sos(), ff_mov_init_hinting(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), film_read_header(), flic_read_header(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipod_get_codec_tag(), matroska_read_header(), mkv_write_codecprivate(), mov_find_codec_tag(), mov_get_codec_tag(), mov_get_rawvideo_codec_tag(), mov_read_stsd(), mov_write_hdlr_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mp4_get_codec_tag(), mpeg_decode_frame(), mpegts_set_stream_info(), MPV_common_init(), msnwc_tcp_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), ogm_header(), oma_read_header(), parse_ffconfig(), pmt_cb(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), str_read_packet(), thp_read_header(), vmd_read_header(), voc_write_packet(), vp3_decode_init(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), xsub_encoder_init(), and xvid_encode_init().
Definition at line 1288 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_codec(), add_dstream(), add_video_stream(), aea_read_header(), amr_read_header(), apc_read_header(), ape_read_header(), asf_read_header(), asf_write_header1(), asf_write_packet(), au_read_header(), audio_read_header(), av_find_default_stream_index(), av_find_stream_info(), av_interleaved_write_frame(), av_read_packet(), av_transcode(), av_write_header(), avcodec_get_context_defaults2(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), build_feed_streams(), build_frame_code(), cdata_read_header(), check_audio_video_sub_inputs(), cin_read_header(), compute_bandwidth(), compute_frame_duration(), compute_pkt_fields2(), compute_status(), create_audio_stream(), create_stream(), daud_header(), dc1394_read_common(), decode_stream_header(), decode_thread(), dirac_header(), do_video_stats(), dump_stream_format(), dv_assemble_frame(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), ff_asf_parse_packet(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_mov_init_hinting(), ff_parse_specific_params(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rtp_get_codec_info(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_header(), flac_read_header(), flic_read_header(), flv_read_metabody(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_bit_rate(), get_sindex(), gif_write_header(), gif_write_packet(), grab_read_header(), gxf_compare_field_nb(), gxf_interleave_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), has_codec_parameters(), http_prepare_data(), idcin_read_header(), iff_read_header(), iff_read_packet(), img_read_header(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_only(), iss_read_header(), lmlm4_read_header(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_tracks(), mmf_read_header(), mov_build_index(), mov_create_chapter_track(), mov_get_codec_tag(), mov_read_hdlr(), mov_read_stsd(), mov_read_trak(), mov_read_trun(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_hdlr_tag(), mov_write_header(), mov_write_minf_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mov_write_stts_tag(), mov_write_tkhd_tag(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpeg_mux_write_packet(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_common_fields(), mxf_write_header(), mxf_write_packet(), nc_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogg_read_seek(), ogg_write_header(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_input_stream(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), print_report(), pva_read_header(), qcp_read_header(), r3d_read_red1(), read_desc_chunk(), read_ffserver_streams(), read_header(), read_packet(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_dts(), rm_read_header(), rm_write_header(), rm_write_packet(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), sdp_parse_line(), sdp_parse_rtpmap(), seq_read_header(), set_codec_from_probe_data(), show_stream(), siff_parse_vbv1(), skeleton_header(), smacker_read_header(), sol_read_header(), sox_read_header(), speex_header(), str_read_packet(), stream_component_close(), stream_component_open(), stream_cycle_channel(), swf_read_packet(), swf_write_header(), swf_write_packet(), swf_write_trailer(), theora_header(), thp_read_header(), tmv_read_header(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vc1t_read_header(), vfw_read_header(), vid_read_header(), vmd_read_header(), voc_read_header(), voc_write_header(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), yop_read_header(), and yuv4_read_header().
the picture in the bitstream
Definition at line 1676 of file avcodec.h.
Referenced by AC3_encode_close(), AC3_encode_init(), adx_encode_close(), adx_encode_init(), alac_encode_close(), alac_encode_init(), bmp_decode_init(), bmp_encode_init(), common_init(), decode_close(), decode_frame(), decode_init(), dnxhd_decode_init(), dnxhd_encode_init(), do_audio_out(), do_video_out(), do_video_stats(), dvvideo_init(), encode_close(), encode_frame(), encode_init(), encode_init_ls(), Faac_encode_close(), Faac_encode_init(), ff_pnm_init(), flac_encode_close(), flac_encode_init(), flashsv_encode_frame(), g726_close(), g726_init(), gif_decode_init(), gif_encode_init(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_init(), libopenjpeg_decode_init(), libschroedinger_encode_frame(), libschroedinger_encode_init(), mdec_common_init(), MP3lame_encode_close(), MP3lame_encode_init(), MPA_encode_close(), MPA_encode_init(), MPV_common_init(), MPV_frame_end(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), output_packet(), pcm_encode_close(), pcm_encode_init(), pcx_encode_init(), pcx_init(), png_enc_init(), print_report(), ptx_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), roq_dpcm_encode_close(), roq_dpcm_encode_init(), roq_encode_video(), sgi_init(), sunrast_init(), svq1_encode_init(), targa_encode_init(), targa_init(), tiff_init(), txd_init(), ulti_decode_init(), v4l2_read_packet(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp8_encode(), vp8_free(), vp8_init(), write_audio_frame(), write_video_frame(), X264_init(), xvid_encode_init(), and yuv4_read_packet().
Definition at line 2186 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open(), avcodec_set_dimensions(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), sp5x_decode_frame(), vaapi_vc1_start_frame(), vc1_decode_entry_point(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
Bitstream width / height, may be different from width/height if lowres or other things are used.
Definition at line 2186 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open(), avcodec_set_dimensions(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), sp5x_decode_frame(), vaapi_vc1_start_frame(), vc1_decode_entry_point(), vc1_decode_init(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
coder type
Definition at line 1911 of file avcodec.h.
Referenced by encode_frame(), ffm_read_header(), ffm_write_header(), libdirac_encode_init(), libschroedinger_encode_init(), read_header(), targa_encode_frame(), and X264_init().
Chromaticity coordinates of the source primaries.
Definition at line 2554 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), mpeg_decode_sequence_display_extension(), and parse_source_parameters().
MPEG vs JPEG YUV range.
Definition at line 2575 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_init(), and parse_source_parameters().
color table ID
Tables have to be stored somewhere. FIXME
Definition at line 1873 of file avcodec.h.
Referenced by mov_read_stsd().
Color Transfer Characteristic.
Definition at line 2561 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_sequence_display_extension(), and parse_source_parameters().
YUV colorspace type.
Definition at line 2568 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_sequence_display_extension(), and parse_source_parameters().
Reduce fluctuations in qp (before curve compression).
Definition at line 2334 of file avcodec.h.
Referenced by X264_init().
Definition at line 2404 of file avcodec.h.
Referenced by alac_encode_init(), encode_frame(), encode_init(), flac_encode_init(), and MP3lame_encode_init().
constant quantization parameter rate control method
Definition at line 2292 of file avcodec.h.
Referenced by X264_init().
float AVCodecContext::crf |
constant rate factor - quality-based VBR - values ~correspond to qps
Definition at line 2285 of file avcodec.h.
Referenced by X264_init().
Audio cutoff bandwidth (0 means "automatic")
Definition at line 2376 of file avcodec.h.
Referenced by AC3_encode_init(), Faac_encode_init(), ff_psy_preprocess_init(), and oggvorbis_init_encoder().
darkness masking (0-> disabled)
Definition at line 1562 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), and parse_ffconfig().
DCT algorithm, see FF_DCT_* below
Definition at line 1520 of file avcodec.h.
Referenced by dsputil_init(), dsputil_init_bfin(), dsputil_init_ppc(), dsputilenc_init_mmx(), ffm_read_header(), ffm_write_header(), MPV_common_init_altivec(), MPV_common_init_mlib(), MPV_common_init_mmx(), and parse_ffconfig().
in-loop deblocking filter alphac0 parameter alpha is in the range -6...6
Definition at line 2342 of file avcodec.h.
Referenced by X264_init().
in-loop deblocking filter beta parameter beta is in the range -6...6
Definition at line 2350 of file avcodec.h.
Referenced by X264_init().
debug
Definition at line 1683 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), avcodec_default_release_buffer(), decode_chunks(), decode_ext_header(), decode_frame(), decode_init(), decode_nal_units(), decode_picture_timing(), decode_slice_header(), decode_unregistered_user_data(), decode_vol_header(), decode_vop_header(), ff_alloc_picture(), ff_er_frame_end(), ff_flv_decode_picture_header(), ff_h263_decode_frame(), ff_h263_show_pict_info(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_execute_ref_pic_marking(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_picture_header(), ff_print_debug_info(), ff_rate_estimate_qscale(), ff_vbv_update(), ff_wmv2_decode_secondary_picture_header(), ffm_read_header(), ffm_write_header(), find_short(), libdirac_decode_init(), libdirac_encode_init(), libschroedinger_decode_init(), libschroedinger_encode_init(), mjpeg_decode_app(), mjpeg_decode_com(), mjpegb_decode_frame(), modify_qscale(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_gop(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), MPV_common_init(), MPV_decode_mb_internal(), msmpeg4_decode_picture_header(), opt_input_file(), parse_ffconfig(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), predict_slice(), predict_slice_buffered(), print_long_term(), print_short_term(), remove_short(), rv10_decode_init(), rv20_decode_picture_header(), stream_component_open(), svq3_decode_frame(), and truemotion1_decode_header().
debug
Definition at line 1706 of file avcodec.h.
Referenced by ff_alloc_picture(), ff_print_debug_info(), MPV_common_init(), and stream_component_open().
Number of frames the decoded output will be delayed relative to the encoded input.
Definition at line 1185 of file avcodec.h.
Referenced by MPV_encode_init().
ME diamond size & shape
Definition at line 1778 of file avcodec.h.
Referenced by estimate_motion_thread(), ff_init_me(), and svq1_encode_plane().
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
Definition at line 2369 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), and X264_init().
void(* AVCodecContext::draw_horiz_band)(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band.
It improves cache usage. Not all codecs can do that. You must check the codec capabilities beforehand. The function is also used by hardware acceleration APIs. It is called at least once during frame decoding to pass the data needed for hardware render. In that mode instead of pixel data, AVFrame points to a structure specific to the acceleration API. The application reads the structure and can change some fields to indicate progress or mark state.
height | the height of the slice | |
y | the y position of the slice | |
type | 1->top field, 2->bottom field, 3->frame | |
offset | offset into the AVFrame.data from which the slice should be read |
Definition at line 1154 of file avcodec.h.
Referenced by ff_draw_horiz_band(), ff_init_block_index(), MPV_decode_mb_internal(), and vp3_draw_horiz_band().
Percentage of dynamic range compression to be applied by the decoder.
The default value is 1.0, corresponding to full compression.
Definition at line 2475 of file avcodec.h.
Referenced by decode_audio_block().
unsigned AVCodecContext::dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e.
MMX, SSE. ...)
With the FORCE flag you may instead enable given CPU features. (Dangerous: Usable in case of misdetection, improper usage however will result into program crash.)
Definition at line 1626 of file avcodec.h.
Referenced by dsputil_init_mmx(), ff_dsputil_init_iwmmxt(), and main().
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set.
Definition at line 1834 of file avcodec.h.
Referenced by mpeg_decode_user_data().
uint64_t AVCodecContext::error[4] |
error
Definition at line 1716 of file avcodec.h.
Referenced by estimate_best_b_count(), MPV_encode_picture(), and print_report().
error concealment flags
Definition at line 1614 of file avcodec.h.
Referenced by ff_er_frame_end(), guess_mv(), and stream_component_open().
Simulates errors in the bitstream to test error concealment.
Definition at line 2053 of file avcodec.h.
Referenced by encode_thread().
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors.
Definition at line 1376 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), decode_init(), execute_decode_slices(), h261_decode_gob_header(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_slice(), MPV_frame_start(), and stream_component_open().
int(* AVCodecContext::execute)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially.
count | the number of things to execute
|
Definition at line 2089 of file avcodec.h.
Referenced by avcodec_copy_context(), avcodec_get_context_defaults2(), avcodec_thread_init(), decode_chunks(), encode_picture(), and execute_decode_slices().
int(* AVCodecContext::execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially. Also see avcodec_thread_init and e.g. the --enable-pthread configure option.
c | context passed also to func | |
count | the number of things to execute | |
arg2 | argument passed unchanged to func | |
ret | return values of executed functions, must have space for "count" values. May be NULL. | |
func | function that will be called count times, with jobnr from 0 to count-1. threadnr will be in the range 0 to c->thread_count-1 < MAX_THREADS and so that no two instances of func executing at the same time will have the same threadnr. |
Definition at line 2602 of file avcodec.h.
Referenced by avcodec_copy_context(), avcodec_get_context_defaults2(), avcodec_thread_init(), dnxhd_encode_fast(), dnxhd_encode_picture(), dnxhd_encode_rdo(), and dnxhd_find_qscale().
uint8_t* AVCodecContext::extradata |
some codecs need / can use extradata like Huffman tables.
mjpeg: Huffman tables rv10: additional flags mpeg4: global headers (they can be in the bitstream or here) The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than extradata_size to avoid prolems if it is read with the bitstream reader. The bytewise contents of extradata must not depend on the architecture or CPU endianness.
Definition at line 1088 of file avcodec.h.
Referenced by aac_adtstoasc_filter(), aac_decode_init(), aac_encode_init(), add_av_stream1(), adpcm_decode_init(), adts_write_header(), aiff_read_header(), alac_encode_close(), alac_encode_init(), alac_set_info(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), asfrtp_parse_sdp_line(), atrac3_decode_init(), av_close_input_stream(), av_find_stream_info(), av_mpeg4_decode_header(), av_open_input_stream(), av_parser_change(), av_transcode(), avcodec_close(), avcodec_copy_context(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_header_trees(), decode_init(), decode_stream_header(), dump_extradata(), encode_close(), encode_end(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_close(), Faac_encode_init(), faac_init_mp4(), ff_cmap_read_palette(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_read_esds(), ff_mov_write_packet(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_codec_data(), h264_mp4toannexb_filter(), http_receive_data(), idcin_decode_init(), idcin_read_header(), iff_read_header(), iff_read_packet(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_stsd(), mov_read_wave(), mov_write_extradata_tag(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mp_decode_frame(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), MPV_encode_end(), mtv_read_header(), mxf_parse_structural_metadata(), nut_read_header(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_close(), oggvorbis_encode_init(), oma_read_header(), parse_packed_headers(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), raw_init_decoder(), read_header(), read_kuki_chunk(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), rv30_parse_slice_header(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), theora_header(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_close(), X264_init(), xvid_encode_close(), xvid_encode_init(), xvid_strip_vol_header(), yop_decode_init(), and yop_read_header().
Definition at line 1089 of file avcodec.h.
Referenced by aac_adtstoasc_filter(), aac_decode_init(), aac_encode_init(), add_av_stream1(), adpcm_decode_init(), adts_write_header(), aiff_read_header(), alac_decode_frame(), alac_encode_close(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_header(), asf_write_header1(), asfrtp_parse_sdp_line(), atrac3_decode_init(), av_find_stream_info(), av_mpeg4_decode_header(), av_parser_change(), av_transcode(), avcodec_copy_context(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_header_trees(), decode_init(), decode_stream_header(), dump_extradata(), encode_close(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_init(), faac_init_mp4(), ff_cmap_read_palette(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_read_esds(), ff_mov_write_packet(), ff_rtp_send_aac(), ffm_read_header(), ffm_write_header(), flac_encode_close(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_codec_data(), h264_mp4toannexb_filter(), http_receive_data(), idcin_decode_init(), idcin_read_header(), iff_read_header(), iff_read_packet(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_stsd(), mov_read_wave(), mov_write_extradata_tag(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), mtv_read_header(), mxf_parse_structural_metadata(), nut_read_header(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_init(), oma_read_header(), parse_packed_headers(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), raw_init_decoder(), read_header(), read_kuki_chunk(), read_packet(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), sdp_parse_fmtp_config(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), theora_header(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vfw_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_init(), xvid_encode_init(), xvid_strip_vol_header(), and yop_read_header().
CODEC_FLAG_*.
Definition at line 1056 of file avcodec.h.
Referenced by aac_encode_frame(), add_audio_stream(), add_video_stream(), av_parser_change(), av_transcode(), av_write_header(), avcodec_default_get_buffer(), avcodec_string(), common_init(), comp_block(), dct_get(), decode_frame(), dnxhd_decode_macroblock(), dnxhd_encode_init(), do_video_stats(), dsputil_init_mmx(), dsputilenc_init_mmx(), dv_guess_dct_mode(), encode_block(), encode_frame(), encode_init(), estimate_best_b_count(), Faac_encode_init(), ff_dnxhd_find_cid(), ff_dsputil_init_neon(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), flac_write_header(), float_init_altivec(), get_flags(), h261_decode_frame(), halfpel_interpol(), idct_put(), indeo3_decode_frame(), iv_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), mjpeg_decode_scan(), mkv_write_header(), mkv_write_trailer(), mov_write_udta_tag(), MP3lame_encode_init(), mpeg_decode_frame(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), mxf_write_header(), mxf_write_identification(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_init_encoder(), opt_input_file(), parse_ffconfig(), print_report(), read_ffserver_streams(), remove_extradata(), render_slice(), sp5x_decode_frame(), stream_component_open(), svq1_decode_init(), svq1_encode_plane(), svq3_decode_init(), tgq_idct_put_mb(), tgq_idct_put_mb_dconly(), tqi_idct_put(), unpack_dct_coeffs(), vc1_decode_init(), video_decode_example(), vorbis_encode_init(), vp8_encode(), vp8_init(), X264_init(), and xvid_encode_init().
CODEC_FLAG2_*
Definition at line 2046 of file avcodec.h.
Referenced by av_parser_change(), decode_frame(), decode_slice_header(), dump_extradata(), encode_bgr_bitstream(), encode_init(), ff_h263_decode_frame(), ffm_read_header(), ffm_write_header(), h261_decode_frame(), MP3lame_encode_init(), mpeg1_encode_sequence_header(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), new_video_stream(), remove_extradata(), stream_component_open(), svq3_decode_init(), and X264_init().
number of bits used for the previously encoded frame
Definition at line 1278 of file avcodec.h.
Referenced by aac_encode_frame(), and MPV_encode_picture().
audio or video frame number
Definition at line 1174 of file avcodec.h.
Referenced by aac_encode_frame(), avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_open(), bfi_decode_frame(), cook_decode_frame(), decode_frame(), decode_packet(), eightsvx_decode_frame(), flashsv_encode_frame(), h261_decode_frame(), http_prepare_data(), mpeg_decode_frame(), output_packet(), qtrle_encode_frame(), rv10_decode_frame(), svq1_encode_end(), svq1_encode_frame(), twin_decode_frame(), and warn_insufficient_frame_quality().
Samples per packet, initialized when calling 'init'.
Definition at line 1173 of file avcodec.h.
Referenced by aac_decode_frame(), aac_encode_init(), AC3_encode_init(), adx_encode_frame(), adx_encode_init(), aiff_read_header(), alac_encode_frame(), alac_encode_init(), alac_entropy_coder(), alac_linear_predictor(), alac_stereo_decorrelation(), amr_decode_fix_avctx(), ape_read_header(), asf_read_header(), audio_encode_example(), av_find_stream_info(), av_transcode(), avcodec_decode_audio3(), calc_predictor_params(), create_audio_stream(), decode_init(), decoder_init(), do_audio_out(), encode_frame(), encode_init(), encode_superframe(), faac_decode_frame(), Faac_encode_frame(), Faac_encode_init(), ff_aac_ac3_parse(), ff_parse_specific_params(), ff_psy_preprocess(), ffm_read_header(), ffm_write_header(), flac_encode_frame(), flac_encode_init(), get_aiff_header(), get_audio_flags(), get_audio_frame_size(), has_codec_parameters(), init_frame(), init_sample_buffers(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mlp_parse(), mov_read_stsd(), mov_read_trak(), mov_write_audio_tag(), mov_write_header(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_frame(), MPA_encode_init(), mpegaudio_parse(), mpegts_write_header(), oggvorbis_encode_init(), open_audio(), output_packet(), pcm_encode_init(), rdt_parse_sdp_line(), read_major_sync(), rm_write_header(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), rtp_write_header(), rv10_write_header(), speex_header(), speex_packet(), swf_write_audio(), swf_write_header(), vorbis_decode_init(), vorbis_encode_frame(), vorbis_encode_init(), and write_frame_header().
frame skip comparison function
Definition at line 2214 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and MPV_encode_init().
frame skip exponent
Definition at line 2207 of file avcodec.h.
Referenced by skip_check().
frame skip factor
Definition at line 2200 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
frame skip threshold
Definition at line 2193 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
int(* AVCodecContext::get_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it.
If pic.reference is set then the frame will be read later by libavcodec. avcodec_align_dimensions2() should be used to find the required width and height, as they normally need to be rounded up to the next multiple of 16. if CODEC_CAP_DR1 is not set then get_buffer() must call avcodec_default_get_buffer() instead of providing buffers allocated by some other means.
Definition at line 1393 of file avcodec.h.
Referenced by alloc_frame_buffer(), aura_decode_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bfi_decode_frame(), bmp_decode_frame(), cdg_decode_frame(), cmv_decode_frame(), common_init(), cyuv_decode_frame(), decode_frame(), decode_init(), decode_pic(), dnxhd_decode_frame(), escape124_decode_frame(), ff_mjpeg_decode_sof(), frame_start(), gif_decode_frame(), idcin_decode_frame(), indeo3_decode_frame(), ipvideo_decode_frame(), libopenjpeg_decode_frame(), mimic_decode_frame(), mm_decode_init(), pcx_decode_frame(), pnm_decode_frame(), ptx_decode_frame(), rl2_decode_frame(), roq_encode_frame(), sp5x_decode_frame(), sunrast_decode_frame(), svq1_encode_frame(), tgq_decode_frame(), tiff_decode_tag(), tmv_decode_frame(), tqi_decode_frame(), txd_decode_frame(), ulti_decode_frame(), vmdvideo_decode_frame(), vp56_decode_frame(), vqa_decode_frame(), xan_decode_frame(), and yop_decode_frame().
enum PixelFormat(* AVCodecContext::get_format)(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat
fmt | is the list of formats which are supported by the codec, it is terminated by -1 as 0 is a valid format, the formats are ordered by quality. The first is always the native one. |
Definition at line 1824 of file avcodec.h.
Referenced by avcodec_get_context_defaults2(), decode_init(), decode_slice_header(), ff_h263_decode_init(), mpeg_get_pixelformat(), and vc1_decode_init().
Global quality for codecs which cannot change it per frame.
This should be proportional to MPEG-1/2/4 qscale.
Definition at line 1899 of file avcodec.h.
Referenced by aac_encode_init(), encode_init(), Faac_encode_init(), libdirac_encode_init(), libschroedinger_encode_init(), MP3lame_encode_init(), new_audio_stream(), new_video_stream(), oggvorbis_init_encoder(), parse_ffconfig(), and vorbis_encode_init().
the number of pictures in a group of pictures, or 0 for intra_only
Definition at line 1118 of file avcodec.h.
Referenced by add_av_stream(), add_video_stream(), encode_init(), ffm_read_header(), ffm_write_header(), flashsv_encode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), new_video_stream(), parse_ffconfig(), qtrle_encode_frame(), roq_encode_frame(), svq1_encode_frame(), video_encode_example(), vp8_init(), X264_init(), and xvid_encode_init().
Size of the frame reordering buffer in the decoder.
For MPEG-2 it is 1 IPB or 0 low delay IP.
Definition at line 1410 of file avcodec.h.
Referenced by av_transcode(), compute_pkt_fields(), compute_pkt_fields2(), decode_frame(), decode_nal_units(), decode_stream_header(), dirac_combine_frame(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mpeg4_decode_picture_header(), ff_rv34_decode_init(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_decode_frame(), libschroedinger_encode_init(), mov_build_index(), mpeg_decode_postinit(), mpegvideo_extract_headers(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), nut_read_header(), rv10_decode_init(), rv20_decode_picture_header(), show_stream(), svq1_decode_init(), svq3_decode_init(), update_initial_durations(), vc1_decode_init(), vcr2_init_sequence(), write_streamheader(), and X264_init().
Definition at line 1265 of file avcodec.h.
Referenced by MPV_encode_picture().
Definition at line 1109 of file avcodec.h.
Referenced by aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), asf_read_header(), asf_write_header1(), aura_decode_frame(), av_mpeg4_decode_header(), av_transcode(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), cin_read_header(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_header(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_block(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_get_blocks(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvvideo_init_encoder(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_create_schro_frame(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_draw_horiz_band(), ff_dv_codec_profile(), ff_dxva2_common_end_frame(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ff_vdpau_h264_picture_complete(), ff_vdpau_mpeg4_decode_picture(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ffm_read_header(), ffm_write_header(), fill_picture_parameters(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), flip(), fourxm_read_header(), frame_start(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), gxf_find_lines_index(), gxf_write_header(), gxf_write_mpeg_auxiliary(), halfpel_interpol(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), img_read_header(), img_read_packet(), indeo3_decode_init(), init_bundles(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), iv_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mov_get_dv_codec_tag(), mov_read_stsd(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_read_changes_map(), mpegvideo_extract_headers(), MPV_encode_init(), msrle_decode_8_16_24_32(), msrle_decode_frame(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), pcx_decode_frame(), pcx_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), prepare_avpic(), print_report(), ptx_decode_frame(), qtrle_decode_16bpp(), qtrle_decode_1bpp(), qtrle_decode_24bpp(), qtrle_decode_2n4bpp(), qtrle_decode_32bpp(), qtrle_decode_8bpp(), qtrle_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tmv_decode_frame(), tmv_read_header(), tqi_decode_frame(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), vmd_decode(), vp3_decode_init(), vp3_draw_horiz_band(), vp6_parse_header(), vp8_decode(), vp8_init(), wc3_read_header(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_frame(), xan_decode_init(), xan_wc3_decode_frame(), xiph_parse_fmtp_pair(), xvid_encode_init(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_read_header(), yuv4_read_packet(), and zmbv_me().
hurry up amount
1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
Definition at line 1241 of file avcodec.h.
Referenced by decode_chunks(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), MPV_frame_start(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
struct AVHWAccel* AVCodecContext::hwaccel |
Hardware accelerator in use
Definition at line 2526 of file avcodec.h.
Referenced by alloc_frame_buffer(), avcodec_copy_context(), decode_nal_units(), decode_slice(), decode_slice_header(), execute_decode_slices(), ff_er_add_slice(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_print_debug_info(), field_end(), get_consumed_bytes(), mpeg_decode_slice(), mpeg_field_start(), MPV_frame_end(), slice_end(), vc1_decode_frame(), vc1_decode_init(), and vcr2_init_sequence().
Hardware accelerator context.
For some hardware accelerators, a global context needs to be provided by the user. In that case, this holds display-dependent data FFmpeg cannot instantiate itself. Please refer to the FFmpeg HW accelerator documentation to know how to fill this is. e.g. for VA API, this is a struct vaapi_context.
Definition at line 2547 of file avcodec.h.
Referenced by commit_bitstream_and_slice_buffer(), decode_slice(), ff_dxva2_common_end_frame(), fill_slice_long(), start_frame(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), and vaapi_vc1_start_frame().
Definition at line 1268 of file avcodec.h.
Referenced by MPV_encode_picture().
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1499 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), and X264_init().
qscale offset between P and I-frames
Definition at line 1506 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
Definition at line 1266 of file avcodec.h.
Referenced by MPV_encode_picture().
IDCT algorithm, see FF_IDCT_* below.
Definition at line 1569 of file avcodec.h.
Referenced by calc_intra_matrix(), decode_init(), decode_pic(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_bfin(), dsputil_init_mmi(), dsputil_init_mmx(), dsputil_init_ppc(), dsputil_init_sh4(), dsputil_init_vis(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_neon(), ff_h263_decode_frame(), MPV_common_init_altivec(), MPV_common_init_mlib(), parse_ffconfig(), render_slice(), stream_component_open(), tgq_calculate_qtable(), tgq_decode_init(), tqi_calculate_qtable(), tqi_decode_init(), vc1_decode_init(), vcr2_init_sequence(), vp3_decode_init(), vp56_init(), and wmv2_decode_init().
interlaced DCT comparison function
Definition at line 1755 of file avcodec.h.
Referenced by dvvideo_init(), encode_mb_internal(), and MPV_encode_init().
uint16_t* AVCodecContext::inter_matrix |
custom inter quantization matrix
Definition at line 1967 of file avcodec.h.
Referenced by avcodec_copy_context(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), MPV_encode_init(), new_video_stream(), and xvid_encode_init().
inter quantizer bias
Definition at line 1865 of file avcodec.h.
Referenced by MPV_encode_init().
internal_buffers Don't touch, used by libavcodec default_get_buffer().
Definition at line 1885 of file avcodec.h.
Referenced by avcodec_copy_context(), avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
internal_buffer count Don't touch, used by libavcodec default_get_buffer().
Definition at line 1879 of file avcodec.h.
Referenced by avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
precision of the intra DC coefficient - 8
Definition at line 2120 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and new_video_stream().
uint16_t* AVCodecContext::intra_matrix |
custom intra quantization matrix
Definition at line 1960 of file avcodec.h.
Referenced by avcodec_copy_context(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), MPV_encode_init(), new_video_stream(), and xvid_encode_init().
intra quantizer bias
Definition at line 1857 of file avcodec.h.
Referenced by dnxhd_encode_init(), and MPV_encode_init().
minimum GOP size
Definition at line 2299 of file avcodec.h.
Referenced by encode_init(), ffm_read_header(), ffm_write_header(), vp8_init(), and X264_init().
amount of previous MV predictors (2a+1 x 2a+1 square)
Definition at line 1785 of file avcodec.h.
Referenced by epzs_motion_search_internal().
level
Definition at line 2170 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), ff_dirac_parse_sequence_header(), mpeg1_encode_sequence_header(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), parse_nal_units(), and X264_init().
maximum Lagrange multipler
Definition at line 1997 of file avcodec.h.
Referenced by get_qminmax(), and MPV_encode_picture().
minimum Lagrange multipler
Definition at line 1990 of file avcodec.h.
Referenced by get_qminmax().
low resolution decoding, 1-> 1/2 size, 2->1/4 size
Definition at line 2178 of file avcodec.h.
Referenced by avcodec_set_dimensions(), chroma_4mv_motion_lowres(), decode_slice(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_mmx(), dsputil_init_ppc(), dv_decode_video_segment(), dvvideo_init(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_neon(), ff_er_frame_end(), ff_init_block_index(), ff_update_block_index(), hpel_motion_lowres(), libopenjpeg_decode_frame(), mjpeg_decode_scan(), mjpeg_decode_scan_progressive_ac(), mpeg_decode_slice(), mpeg_motion_lowres(), MPV_common_init_altivec(), MPV_decode_mb(), MPV_decode_mb_internal(), MPV_motion_lowres(), opt_input_file(), rv20_decode_picture_header(), and stream_component_open().
LPC coefficient precision - used by FLAC encoder
Definition at line 2419 of file avcodec.h.
Referenced by flac_encode_init().
luma single coefficient elimination threshold
Definition at line 1335 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
luminance masking (0-> disabled)
Definition at line 1534 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), parse_ffconfig(), and xvid_encode_init().
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input.
Definition at line 1218 of file avcodec.h.
Referenced by add_video_stream(), compute_pkt_fields2(), decode_sequence_header_adv(), estimate_best_b_count(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), vaapi_vc1_start_frame(), vc1_decode_init(), vc1_decode_sequence_header(), vc1_parse_frame_header(), video_encode_example(), X264_init(), and xvid_encode_init().
Definition at line 2450 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2431 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
maximum quantizer difference between frames
Definition at line 1210 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), parse_ffconfig(), and X264_init().
macroblock comparison function (not supported yet)
Definition at line 1749 of file avcodec.h.
Referenced by check_bidir_mv(), direct_search(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), interlaced_search(), and sse_mb().
macroblock decision mode
Definition at line 1950 of file avcodec.h.
Referenced by add_video_stream(), avcodec_string(), clip_coeffs(), dnxhd_calc_bits_thread(), dnxhd_encode_picture(), dnxhd_init_rc(), encode_mb_hq(), encode_thread(), estimate_best_b_count(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ffm_read_header(), ffm_write_header(), MPV_decode_mb_internal(), MPV_encode_init(), parse_ffconfig(), and xvid_encode_init().
maximum MB lagrange multipler
Definition at line 2236 of file avcodec.h.
Referenced by adaptive_quantization().
minimum MB lagrange multipler
Definition at line 2229 of file avcodec.h.
Referenced by adaptive_quantization().
Macroblock threshold below which the user specified macroblock types will be used.
Definition at line 2113 of file avcodec.h.
Referenced by ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and MPV_encode_init().
motion estimation comparison function
Definition at line 1737 of file avcodec.h.
Referenced by estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), ffm_read_header(), ffm_write_header(), hpel_motion_search(), qpel_motion_search(), and X264_init().
Motion estimation algorithm used for video coding.
1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific]
Definition at line 1075 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), svq1_encode_plane(), X264_init(), and xvid_encode_init().
Definition at line 2243 of file avcodec.h.
Referenced by encode_picture().
motion estimation prepass comparison function
Definition at line 1799 of file avcodec.h.
Referenced by ff_init_me(), and ff_pre_estimate_p_frame_motion().
maximum motion estimation search range in subpel units If 0 then no limit.
Definition at line 1850 of file avcodec.h.
Referenced by encode_init(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), get_limits(), mpeg1_encode_sequence_header(), and X264_init().
subpixel motion estimation comparison function
Definition at line 1743 of file avcodec.h.
Referenced by direct_search(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), hpel_motion_search(), and qpel_motion_search().
subpel ME quality
Definition at line 1813 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), qpel_motion_search(), and X264_init().
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used.
Definition at line 2106 of file avcodec.h.
Referenced by copy_picture_attributes(), encode_picture(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), MPV_encode_init(), and new_video_stream().
Definition at line 2444 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2425 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
Definition at line 1271 of file avcodec.h.
Referenced by MPV_encode_picture().
0-> h263 quant 1-> mpeg quant
Definition at line 1427 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and xvid_encode_init().
Note: Value depends upon the compare function used for fullpel ME.
Definition at line 2391 of file avcodec.h.
Referenced by epzs_motion_search_internal().
Definition at line 1264 of file avcodec.h.
Referenced by MPV_encode_picture().
noise reduction strength
Definition at line 2011 of file avcodec.h.
Referenced by init_duplicate_context(), merge_context_after_encode(), MPV_common_init(), MPV_frame_start(), update_noise_reduction(), vp8_init(), and X264_init().
noise vs.
sse weight for the nsse comparsion function
Definition at line 2127 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), nsse16_c(), nsse16_mmx(), nsse8_c(), and nsse8_mmx().
void* AVCodecContext::opaque |
Definition at line 1269 of file avcodec.h.
Referenced by MPV_encode_picture().
p block masking (0-> disabled)
Definition at line 1555 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
Definition at line 1267 of file avcodec.h.
Referenced by MPV_encode_picture().
palette control structure
Definition at line 2004 of file avcodec.h.
Referenced by asf_read_close(), asf_read_header(), avcodec_copy_context(), avcodec_get_context_defaults2(), avi_read_close(), avi_read_header(), cinepak_decode_frame(), cinepak_decode_init(), decode_frame(), decode_init(), idcin_decode_frame(), idcin_read_header(), ipmovie_read_header(), ipvideo_decode_frame(), ipvideo_decode_init(), ipvideo_decode_opcodes(), mov_read_close(), mov_read_stsd(), msrle_decode_frame(), msvideo1_decode_8bit(), msvideo1_decode_init(), nsv_read_close(), qtrle_decode_frame(), raw_decode(), smc_decode_stream(), wc3_read_header(), xan_decode_frame(), and xan_decode_init().
Definition at line 1418 of file avcodec.h.
Referenced by decode_init(), and open_parser().
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
Definition at line 2357 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), and X264_init().
Pixel format, see PIX_FMT_xxx.
Definition at line 1125 of file avcodec.h.
Referenced by aasc_decode_init(), add_video_stream(), aura_decode_init(), av_find_stream_info(), av_transcode(), avcodec_align_dimensions(), avcodec_align_dimensions2(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), avcodec_string(), avs_decode_init(), bethsoftvid_decode_init(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), choose_pixel_fmt(), cinepak_decode_init(), cinvideo_decode_init(), cmv_decode_init(), cyuv_decode_init(), dc1394_read_common(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_slice_header(), dnxhd_decode_frame(), dnxhd_encode_init(), do_video_out(), dv_extract_video_info(), dvvideo_init_encoder(), encode_frame(), encode_init(), encode_init_ls(), encode_picture_lossless(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_cavs_init(), ff_create_schro_frame(), ff_dv_codec_profile(), ff_h263_decode_init(), ff_mjpeg_decode_sof(), ff_mjpeg_encode_picture_header(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), flashsv_decode_init(), flic_decode_frame(), flic_decode_init(), gif_decode_frame(), gif_write_header(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), gxf_write_umf_media_mpeg(), h261_decode_init(), has_codec_parameters(), idcin_decode_init(), iff_read_header(), img_read_header(), indeo3_decode_init(), init_decoder(), ipvideo_decode_init(), ir2_decode_init(), jpeg_put_comments(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), load_input_picture(), mimic_decode_frame(), mm_decode_init(), mov_get_dv_codec_tag(), mov_get_rawvideo_codec_tag(), mp_decode_init(), MPV_common_init(), MPV_encode_init(), msrle_decode_init(), msvideo1_decode_8bit(), msvideo1_decode_init(), mtv_read_header(), new_video_stream(), open_video(), opt_input_file(), pam_encode_frame(), parse_h264_sdp_line(), parse_source_parameters(), pcx_decode_frame(), pcx_encode_frame(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), ptx_decode_frame(), qtrle_decode_init(), qtrle_encode_frame(), qtrle_encode_init(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), read_header(), rl2_decode_init(), roq_decode_frame(), roq_decode_init(), rpza_decode_init(), rv10_decode_init(), seqvideo_decode_init(), SetSchroChromaFormat(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_init(), sp5x_decode_frame(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_frame(), svq3_decode_init(), targa_encode_frame(), tgq_decode_init(), tgv_decode_init(), tiff_decode_tag(), tmv_read_header(), tqi_decode_init(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), video_encode_example(), vmdvideo_decode_init(), vp3_decode_init(), vp56_init(), vp8_init(), vqa_decode_init(), write_header(), write_video_frame(), x11grab_read_header(), xan_decode_init(), xvid_encode_frame(), yop_decode_init(), yuv4_read_header(), and yuv4_read_packet().
ME prepass diamond size & shape
Definition at line 1806 of file avcodec.h.
Referenced by ff_init_me(), and pre_estimate_motion_thread().
prepass for motion estimation
Definition at line 1792 of file avcodec.h.
Referenced by encode_picture().
prediction method (needed for huffyuv)
Definition at line 1657 of file avcodec.h.
Referenced by encode_picture_lossless(), encode_picture_ls(), ff_mjpeg_encode_picture_header(), and png_enc_init().
search method for selecting prediction order
Definition at line 2438 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 1245 of file avcodec.h.
Referenced by aac_decode_close(), aac_decode_frame(), aac_decode_init(), aac_encode_end(), aac_encode_frame(), aac_encode_init(), aasc_decode_end(), aasc_decode_frame(), aasc_decode_init(), ac3_decode_end(), ac3_decode_frame(), ac3_decode_init(), AC3_encode_frame(), AC3_encode_init(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_encode_frame(), alac_decode_close(), alac_decode_frame(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amrnb_decode_frame(), amrnb_decode_init(), ape_decode_close(), ape_decode_frame(), ape_decode_init(), apply_window_and_mdct(), atrac1_decode_end(), atrac1_decode_frame(), atrac1_decode_init(), atrac3_decode_close(), atrac3_decode_frame(), atrac3_decode_init(), aura_decode_end(), aura_decode_frame(), aura_decode_init(), avcodec_close(), avcodec_copy_context(), avcodec_open(), avs_decode_frame(), bethsoftvid_decode_end(), bethsoftvid_decode_frame(), bethsoftvid_decode_init(), bfi_decode_close(), bfi_decode_frame(), bfi_decode_init(), bmp_decode_end(), bmp_decode_frame(), bmp_decode_init(), bmp_encode_frame(), bmp_encode_init(), cavs_decode_frame(), cavs_flush(), cdg_decode_end(), cdg_decode_frame(), cdg_decode_init(), channel_setup(), cinaudio_decode_frame(), cinaudio_decode_init(), cinepak_decode_end(), cinepak_decode_frame(), cinepak_decode_init(), cinvideo_decode_end(), cinvideo_decode_frame(), cinvideo_decode_init(), close_decoder(), cmv_decode_end(), cmv_decode_frame(), cmv_decode_init(), codec_reinit(), codecctl_int(), commit_bitstream_and_slice_buffer(), common_end(), common_init(), common_init_after_header(), cook_decode_close(), cook_decode_frame(), cook_decode_init(), cyuv_decode_end(), cyuv_decode_frame(), cyuv_decode_init(), dca_decode_end(), dca_decode_frame(), dca_decode_init(), decode_chunks(), decode_close(), decode_end(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_packet(), decode_slice(), decode_tag(), decoder_init(), determine_bitrate(), display_end_segment(), dnxhd_calc_bits_thread(), dnxhd_decode_close(), dnxhd_decode_frame(), dnxhd_decode_init(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_encode_thread(), dnxhd_mb_var_thread(), dnxhd_write_header(), dpcm_decode_frame(), dpcm_decode_init(), dv_decode_video_segment(), dv_encode_video_segment(), dvbsub_close_decoder(), dvbsub_decode(), dvbsub_display_end_segment(), dvbsub_encode(), dvbsub_init_decoder(), dvbsub_parse_clut_segment(), dvbsub_parse_object_segment(), dvbsub_parse_page_segment(), dvbsub_parse_pixel_data_block(), dvbsub_parse_region_segment(), dvvideo_close(), dvvideo_init(), eightsvx_decode_frame(), eightsvx_decode_init(), encode_close(), encode_end(), encode_frame(), encode_init(), encode_init_ls(), encode_nals(), encode_picture_lossless(), encode_picture_ls(), encode_superframe(), end_frame(), escape124_decode_close(), escape124_decode_frame(), escape124_decode_init(), faac_decode_end(), faac_decode_frame(), faac_decode_init(), Faac_encode_close(), Faac_encode_frame(), Faac_encode_init(), faac_init_mp4(), ff_cavs_end(), ff_cavs_init(), ff_h263_decode_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_h264_decode_end(), ff_h264_decode_init(), ff_mjpeg_decode_end(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_init(), ff_mpeg_flush(), ff_msmpeg4_decode_init(), ff_pnm_end(), ff_pnm_init(), ff_rv34_decode_end(), ff_rv34_decode_frame(), ff_rv34_decode_init(), ff_vdpau_h264_picture_complete(), ff_vdpau_h264_picture_start(), ff_vdpau_h264_set_reference_frames(), ff_vdpau_vc1_decode_picture(), ff_wma_end(), ff_wma_init(), fill_slice(), fill_slice_long(), flac_decode_close(), flac_decode_frame(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_flush(), flashsv_decode_end(), flashsv_decode_frame(), flashsv_decode_init(), flashsv_encode_end(), flashsv_encode_frame(), flashsv_encode_init(), flic_decode_end(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_decode_init(), flush(), flush_dpb(), g726_decode_frame(), g726_init(), get_stats(), gif_decode_close(), gif_decode_frame(), gif_decode_init(), gif_encode_close(), gif_encode_frame(), gif_encode_init(), gif_image_write_image(), h261_decode_end(), h261_decode_frame(), h261_decode_init(), idcin_decode_end(), idcin_decode_frame(), idcin_decode_init(), imc_decode_close(), imc_decode_frame(), imc_decode_init(), indeo3_decode_end(), indeo3_decode_frame(), indeo3_decode_init(), ipvideo_decode_end(), ipvideo_decode_frame(), ipvideo_decode_init(), ir2_decode_end(), ir2_decode_frame(), ir2_decode_init(), iv_decode_frame(), libdirac_decode_close(), libdirac_decode_frame(), libdirac_decode_init(), libdirac_encode_close(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), libopenjpeg_decode_init(), libschroedinger_decode_close(), libschroedinger_decode_frame(), libschroedinger_decode_init(), libschroedinger_encode_close(), libschroedinger_encode_frame(), libschroedinger_encode_init(), libschroedinger_flush(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libspeex_decode_close(), libspeex_decode_frame(), libspeex_decode_init(), log_encoder_error(), mace_decode_frame(), mdec_common_init(), mimic_decode_end(), mimic_decode_frame(), mimic_decode_init(), mjpegb_decode_frame(), mlp_decode_init(), mm_decode_end(), mm_decode_frame(), mm_decode_init(), MP3lame_encode_close(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_end(), mp_decode_frame(), mp_decode_init(), MPA_encode_frame(), MPA_encode_init(), mpc7_decode_flush(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_end(), mpeg_decode_frame(), mpeg_decode_gop(), mpeg_decode_init(), mpeg_decode_postinit(), mpeg_get_pixelformat(), MPV_encode_end(), MPV_encode_init(), MPV_encode_picture(), msrle_decode_end(), msrle_decode_frame(), msrle_decode_init(), msvideo1_decode_end(), msvideo1_decode_frame(), msvideo1_decode_init(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), pam_encode_frame(), parse_palette_segment(), parse_picture_segment(), parse_presentation_segment(), pcm_decode_frame(), pcm_decode_init(), pcx_decode_frame(), pcx_encode_frame(), pcx_encode_init(), pcx_end(), pcx_init(), png_dec_end(), png_dec_init(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), ptx_decode_frame(), ptx_end(), ptx_init(), put_audio_specific_config(), qcelp_decode_frame(), qcelp_decode_init(), qdm2_decode_close(), qdm2_decode_frame(), qdm2_decode_init(), qtrle_decode_end(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_end(), qtrle_encode_frame(), qtrle_encode_init(), queue_frames(), ra144_decode_frame(), ra144_decode_init(), ra288_decode_frame(), raw_close_decoder(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_access_unit(), read_huffman_tree(), release_buffer(), rl2_decode_end(), rl2_decode_frame(), rl2_decode_init(), roq_decode_end(), roq_decode_frame(), roq_decode_init(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_encode_end(), roq_encode_frame(), roq_encode_init(), rpza_decode_end(), rpza_decode_frame(), rpza_decode_init(), rv10_decode_end(), rv10_decode_frame(), rv10_decode_init(), rv10_decode_packet(), rv30_decode_init(), rv40_decode_init(), seqvideo_decode_end(), seqvideo_decode_frame(), seqvideo_decode_init(), SetSchroChromaFormat(), sgi_end(), sgi_init(), shorten_decode_close(), shorten_decode_frame(), shorten_decode_init(), shorten_flush(), sipr_decode_frame(), sipr_decoder_init(), slice_end(), smc_decode_end(), smc_decode_frame(), smc_decode_init(), sp5x_decode_frame(), start_frame(), submit_stats(), sunrast_decode_frame(), sunrast_end(), sunrast_init(), svq1_decode_end(), svq1_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_frame(), svq1_encode_init(), svq3_decode_frame(), svq3_decode_init(), synth_frame(), synth_superframe(), targa_encode_init(), targa_end(), targa_init(), tgq_decode_end(), tgq_decode_frame(), tgq_decode_init(), tgv_decode_end(), tgv_decode_frame(), tgv_decode_init(), tiff_end(), tiff_init(), tmv_decode_close(), tmv_decode_frame(), tqi_decode_end(), tqi_decode_frame(), tqi_decode_init(), truemotion1_decode_end(), truemotion1_decode_frame(), truemotion1_decode_init(), truespeech_decode_frame(), tta_decode_close(), tta_decode_frame(), tta_decode_init(), twin_decode_close(), twin_decode_frame(), twin_decode_init(), txd_decode_frame(), txd_end(), txd_init(), ulti_decode_end(), ulti_decode_frame(), ulti_decode_init(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_end_frame(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_end_frame(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), vaapi_vc1_end_frame(), vaapi_vc1_start_frame(), vc1_decode_end(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vmdaudio_decode_frame(), vmdaudio_decode_init(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vmdvideo_decode_init(), vorbis_decode_close(), vorbis_decode_frame(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp3_decode_end(), vp3_decode_frame(), vp3_decode_init(), vp56_decode_frame(), vp56_free(), vp56_init(), vp56_size_changed(), vp5_decode_init(), vp6_decode_free(), vp6_decode_init(), vp8_decode(), vp8_encode(), vp8_free(), vp8_init(), vqa_decode_end(), vqa_decode_frame(), vqa_decode_init(), wavpack_decode_frame(), wavpack_decode_init(), wma_decode_init(), wma_decode_superframe(), wmavoice_decode_end(), wmavoice_decode_init(), wmavoice_decode_packet(), wmavoice_flush(), wmv2_decode_end(), wmv2_decode_init(), wmv2_encode_init(), X264_close(), X264_frame(), X264_init(), xan_decode_end(), xan_decode_frame(), xan_decode_init(), xvid_encode_close(), xvid_encode_frame(), xvid_encode_init(), yop_decode_close(), yop_decode_frame(), and yop_decode_init().
profile
Definition at line 2148 of file avcodec.h.
Referenced by aac_encode_init(), decode_slice_header(), encode_init(), Faac_encode_init(), ff_dirac_parse_sequence_header(), mpeg1_encode_sequence_header(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), and parse_nal_units().
float AVCodecContext::psy_rd |
PSY RD Strength of psychovisual optimization
Definition at line 2638 of file avcodec.h.
Referenced by X264_init().
PSY trellis Strength of psychovisual optimization
Definition at line 2646 of file avcodec.h.
Referenced by X264_init().
float AVCodecContext::qblur |
amount of qscale smoothing over time (0.0-1.0)
Definition at line 1189 of file avcodec.h.
Referenced by add_codec(), ff_rate_control_init(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), and X264_init().
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition at line 1188 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_qscale(), and X264_init().
maximum quantizer
Definition at line 1203 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), dnxhd_encode_rdo(), dnxhd_find_qscale(), dnxhd_init_qmat(), dnxhd_init_rc(), encode_thread(), ff_init_qscale_tab(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), vp8_init(), X264_init(), and xvid_encode_init().
minimum quantizer
Definition at line 1196 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), encode_thread(), ff_init_qscale_tab(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), vp8_init(), X264_init(), and xvid_encode_init().
quantizer noise shaping
Definition at line 2070 of file avcodec.h.
Referenced by dct_quantize_refine(), and encode_mb_internal().
Definition at line 1490 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and modify_qscale().
decoder bitstream buffer size
Definition at line 1489 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), init_pass2(), load_input_picture(), modify_qscale(), mov_write_esds_tag(), mpeg1_decode_sequence(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), new_video_stream(), parse_ffconfig(), select_input_picture(), and X264_init().
const char* AVCodecContext::rc_eq |
rate control equation
Definition at line 1468 of file avcodec.h.
Referenced by add_codec(), avcodec_copy_context(), ff_rate_control_init(), ffm_close(), ffm_read_header(), ffm_write_header(), and get_qscale().
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition at line 2032 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_xvid_rate_control_init(), new_video_stream(), and X264_init().
initial complexity for pass1 ratecontrol
Definition at line 1513 of file avcodec.h.
Referenced by ff_rate_control_init().
RC lookahead Number of frames for frametype and ratecontrol lookahead
Definition at line 2654 of file avcodec.h.
Referenced by X264_init().
Ratecontrol attempt to use, at maximum, of what can be used without an underflow.
Definition at line 2512 of file avcodec.h.
Referenced by modify_qscale(), and MPV_encode_picture().
maximum bitrate
Definition at line 1475 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), mpeg1_encode_sequence_header(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), parse_ffconfig(), vp8_init(), and X264_init().
minimum bitrate
Definition at line 1482 of file avcodec.h.
Referenced by ff_vbv_update(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), MPV_encode_init(), MPV_encode_picture(), parse_ffconfig(), and vp8_init().
Ratecontrol attempt to use, at least, times the amount needed to prevent a vbv overflow.
Definition at line 2519 of file avcodec.h.
Referenced by modify_qscale().
ratecontrol override, see RcOverride
Definition at line 1460 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
Definition at line 1461 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
Definition at line 1452 of file avcodec.h.
Referenced by modify_qscale().
Definition at line 1453 of file avcodec.h.
Referenced by modify_qscale().
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
Definition at line 1450 of file avcodec.h.
Referenced by modify_qscale().
obsolete FIXME remove
Definition at line 1230 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_rate_control_uninit(), and ff_rate_estimate_qscale().
number of reference frames
Definition at line 2306 of file avcodec.h.
Referenced by decode_slice_header(), ffm_read_header(), ffm_write_header(), and X264_init().
int(* AVCodecContext::reget_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it.
Buffer type (size, hints) must be the same. libavcodec won't check it. libavcodec will pass previous buffer in pic, function should return same buffer or new buffer with old frame "painted" into it. If pic.data[0] == NULL must behave like get_buffer(). if CODEC_CAP_DR1 is not set then reget_buffer() must call avcodec_default_reget_buffer() instead of providing buffers allocated by some other means.
Definition at line 2025 of file avcodec.h.
Referenced by aasc_decode_frame(), avcodec_copy_context(), avcodec_get_context_defaults2(), avs_decode_frame(), bethsoftvid_decode_frame(), cdg_decode_frame(), cinepak_decode_frame(), cinvideo_decode_frame(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), flashsv_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), ir2_decode_frame(), mp_decode_frame(), msrle_decode_frame(), msvideo1_decode_frame(), qtrle_decode_frame(), roq_decode_frame(), rpza_decode_frame(), seqvideo_decode_frame(), smc_decode_frame(), and truemotion1_decode_frame().
void(* AVCodecContext::release_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer.
A released buffer can be reused in get_buffer(). pic.data[*] must be set to NULL.
Definition at line 1402 of file avcodec.h.
Referenced by aasc_decode_end(), aura_decode_end(), aura_decode_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bethsoftvid_decode_end(), bfi_decode_close(), bfi_decode_frame(), bmp_decode_end(), bmp_decode_frame(), cavs_decode_frame(), cdg_decode_end(), cdg_decode_frame(), cinepak_decode_end(), cinvideo_decode_end(), cmv_decode_end(), cmv_decode_frame(), common_end(), cyuv_decode_end(), cyuv_decode_frame(), decode_close(), decode_end(), decode_frame(), decode_pic(), dnxhd_decode_close(), dnxhd_decode_frame(), dvvideo_close(), escape124_decode_close(), escape124_decode_frame(), ff_mjpeg_decode_end(), ff_mjpeg_decode_sof(), ff_pnm_end(), flashsv_decode_end(), flashsv_decode_frame(), flic_decode_end(), free_frame_buffer(), gif_decode_close(), gif_decode_frame(), idcin_decode_end(), idcin_decode_frame(), indeo3_decode_frame(), ipvideo_decode_end(), ipvideo_decode_frame(), ir2_decode_end(), ir2_decode_frame(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), mimic_decode_end(), mimic_decode_frame(), mm_decode_end(), mp_decode_end(), msrle_decode_end(), msvideo1_decode_end(), pcx_decode_frame(), pcx_end(), png_dec_end(), pnm_decode_frame(), ptx_decode_frame(), ptx_end(), qtrle_decode_end(), release_buffer(), rl2_decode_end(), rl2_decode_frame(), roq_decode_end(), roq_encode_end(), rpza_decode_end(), select_input_picture(), seqvideo_decode_end(), sgi_end(), smc_decode_end(), sunrast_decode_frame(), sunrast_end(), targa_end(), tgq_decode_end(), tgq_decode_frame(), tiff_decode_tag(), tiff_end(), tmv_decode_close(), tmv_decode_frame(), tqi_decode_end(), tqi_decode_frame(), truemotion1_decode_end(), txd_decode_frame(), txd_end(), ulti_decode_end(), ulti_decode_frame(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vp3_decode_end(), vp56_decode_frame(), vp56_free(), vqa_decode_end(), vqa_decode_frame(), xan_decode_end(), xan_decode_frame(), yop_decode_close(), and yop_decode_frame().
int64_t AVCodecContext::reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition at line 2483 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), avcodec_default_reget_buffer(), and avcodec_get_context_defaults2().
Decoder should decode to this many channels if it can (0 for default)
Definition at line 2466 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), av_transcode(), channel_setup(), dca_decode_frame(), dca_decode_init(), ff_aac_ac3_parse(), read_restart_header(), and stream_component_open().
void(* AVCodecContext::rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
Definition at line 1261 of file avcodec.h.
Referenced by encode_thread().
Definition at line 1247 of file avcodec.h.
Referenced by encode_thread(), and MPV_encode_init().
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
Definition at line 1669 of file avcodec.h.
Referenced by av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), dump_stream_format(), dv_write_pack(), encode_init(), h263_decode_picture_header(), h263_encode_picture_header(), jpeg_put_comments(), mjpeg_decode_app(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), MPV_encode_init(), new_video_stream(), opt_input_file(), parse_source_parameters(), show_stream(), X264_init(), and xvid_encode_frame().
audio sample format
Definition at line 1167 of file avcodec.h.
Referenced by aac_decode_init(), ac3_decode_init(), adpcm_decode_init(), adx_decode_init(), alac_decode_frame(), alac_encode_init(), amr_decode_fix_avctx(), amrnb_decode_init(), ape_decode_init(), atrac1_decode_init(), atrac3_decode_init(), audio_decode_frame(), avcodec_get_context_defaults2(), avcodec_string(), choose_sample_fmt(), cinaudio_decode_init(), cook_decode_init(), dca_decode_init(), decode_frame(), decode_init(), do_audio_out(), dpcm_decode_init(), eightsvx_decode_init(), faac_decode_init(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_init(), flic_read_header(), g726_init(), has_codec_parameters(), imc_decode_init(), libgsm_init(), libspeex_decode_init(), mace_decode_init(), mkv_write_tracks(), mlp_parse(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_data(), output_packet(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), qcelp_decode_init(), qdm2_decode_init(), ra144_decode_init(), ra288_decode_init(), read_major_sync(), roq_dpcm_encode_init(), shorten_decode_init(), sipr_decoder_init(), smka_decode_init(), truespeech_decode_init(), tta_decode_init(), twin_decode_init(), vmdaudio_decode_init(), vorbis_decode_init(), wavpack_decode_frame(), wavpack_decode_init(), wma_decode_init(), wmavoice_decode_init(), and ws_snd_decode_init().
samples per second
Definition at line 1159 of file avcodec.h.
Referenced by aac_decode_frame(), aac_decode_init(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), AC3_encode_init(), add_audio_stream(), add_av_stream(), add_codec(), adx_decode_header(), adx_encode_header(), aea_read_header(), aiff_read_header(), aiff_write_header(), alac_encode_init(), amr_decode_fix_avctx(), amr_read_header(), apc_read_header(), ape_read_header(), atrac3_decode_init(), au_read_header(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_read_packet(), audio_write_header(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), choose_sample_rate(), cin_read_header(), compute_frame_duration(), compute_status(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), decode_frame(), decode_init(), decode_ppc(), decode_stream_header(), decode_wave_header(), do_audio_out(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), faac_decode_frame(), faac_decode_init(), Faac_encode_init(), faac_init_mp4(), ff_aac_ac3_parse(), ff_flac_parse_streaminfo(), ff_mov_read_esds(), ff_parse_specific_params(), ff_psy_preprocess_init(), ff_rtp_get_codec_info(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_encode_init(), flac_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_sindex(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), init_bitstream_params(), ipmovie_read_header(), iss_read_header(), libgsm_init(), libspeex_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_read_stsd(), mov_read_trak(), mov_write_esds_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_write_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_wav_common(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), ogg_write_header(), oggvorbis_encode_frame(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_packet(), parse_adts_frame_header(), parse_ffconfig(), pcm_bluray_parse_header(), psy_3gpp_init(), qcp_read_header(), qdm2_decode_init(), r3d_read_reda(), read_desc_chunk(), read_header(), read_major_sync(), read_specific_config(), rl2_read_header(), rm_read_audio_stream_info(), rm_write_header(), roq_dpcm_encode_init(), roq_read_packet(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), sdp_parse_rtpmap(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), smacker_read_header(), sol_read_header(), sox_read_header(), sox_write_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), twin_decode_frame(), twin_decode_init(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_header(), vqf_read_header(), wc3_read_header(), wmavoice_decode_init(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), xa_read_header(), and yop_read_header().
scene change detection threshold 0 is default, larger means fewer detected scene changes.
Definition at line 1983 of file avcodec.h.
Referenced by encode_picture(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), and X264_init().
Number of macroblock rows at the bottom which are skipped.
Definition at line 2141 of file avcodec.h.
Referenced by decode_chunks(), and ff_er_frame_end().
Definition at line 1270 of file avcodec.h.
Referenced by MPV_encode_picture().
Definition at line 2264 of file avcodec.h.
Referenced by decode_chunks(), decode_frame(), decode_nal_units(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), stream_component_open(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
Definition at line 2257 of file avcodec.h.
Referenced by MPV_decode_mb_internal(), and stream_component_open().
Definition at line 2250 of file avcodec.h.
Referenced by decode_slice_header(), stream_component_open(), vc1_decode_p_mb(), vc1_decode_sequence_header(), and vp56_mc().
Number of macroblock rows at the top which are skipped.
Definition at line 2134 of file avcodec.h.
Referenced by ff_er_add_slice(), and ff_er_frame_end().
slice count
Definition at line 1601 of file avcodec.h.
Referenced by ff_rv34_decode_frame(), get_slice_offset(), and rv10_decode_frame().
slice flags
Definition at line 1933 of file avcodec.h.
Referenced by ff_draw_horiz_band().
slice offsets in the frame in bytes
Definition at line 1607 of file avcodec.h.
Referenced by avcodec_copy_context(), and get_slice_offset().
spatial complexity masking (0-> disabled)
Definition at line 1548 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
char* AVCodecContext::stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here.
Definition at line 1442 of file avcodec.h.
Referenced by av_transcode(), ff_rate_control_init(), submit_stats(), vp8_init(), and xvid_encode_init().
pass1 encoding statistics output buffer
Definition at line 1434 of file avcodec.h.
Referenced by do_video_out(), encode_close(), ff_write_pass1_stats(), get_stats(), MPV_common_end(), MPV_common_init(), output_packet(), vp8_encode(), vp8_free(), and xvid_encode_frame().
unsigned int AVCodecContext::stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs.
Definition at line 1975 of file avcodec.h.
Referenced by avi_read_header(), avisynth_read_header(), and MPV_common_init().
strictly follow the standard (MPEG4, .
..).
Definition at line 1356 of file avcodec.h.
Referenced by choose_pixel_fmt(), decode_frame(), encode_init(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), libgsm_init(), mov_get_codec_tag(), mp3_header_compress(), MPV_encode_init(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), and parse_ffconfig().
Some codecs need additional format info.
It is stored here. If any muxer uses this then ALL demuxers/parsers AND encoders for the specific codec MUST set it correctly otherwise stream copy breaks. In general use of this field by muxers is not recommanded.
Definition at line 1066 of file avcodec.h.
Referenced by decode_frame(), dvbsub_init_decoder(), ff_mpa_decode_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpegvideo_extract_headers(), pmt_cb(), rv10_decode_init(), rv20_decode_picture_header(), and vcr2_init_sequence().
temporary complexity masking (0-> disabled)
Definition at line 1541 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
thread count is used to decide how many independent tasks should be passed to execute()
Definition at line 2078 of file avcodec.h.
Referenced by avcodec_thread_execute(), avcodec_thread_execute2(), avcodec_thread_free(), avcodec_thread_init(), decode_chunks(), decode_nal_units(), decode_slice_header(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_load_picture(), encode_picture(), ff_er_add_slice(), ff_h264_alloc_tables(), ff_h264_frame_start(), ffm_read_header(), ffm_write_header(), MPV_common_end(), MPV_common_init(), MPV_encode_init(), MPV_encode_picture(), read_ffserver_streams(), svq3_decode_init(), vp8_init(), worker(), X264_init(), and xvid_encode_init().
thread opaque Can be used by execute() to store some per AVCodecContext stuff.
Definition at line 2097 of file avcodec.h.
Referenced by avcodec_close(), avcodec_copy_context(), avcodec_thread_execute(), avcodec_thread_execute2(), avcodec_thread_free(), avcodec_thread_init(), and worker().
For some codecs, the time base is closer to the field rate than the frame rate.
Most notably, H.264 and MPEG-2 specify time_base as half of frame duration if no telecine is used ...
Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
Definition at line 2535 of file avcodec.h.
Referenced by av_find_stream_info(), av_transcode(), compute_frame_duration(), compute_pkt_fields2(), ff_h264_decode_init(), mpeg_decode_postinit(), opt_input_file(), output_packet(), and vp8_encode().
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
For fixed-fps content, timebase should be 1/framerate and timestamp increments should be identically 1.
Definition at line 1099 of file avcodec.h.
Referenced by add_av_stream(), add_codec(), add_video_stream(), av_find_stream_info(), av_transcode(), av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), avi_write_header(), avs_read_packet(), cmv_process_header(), compute_frame_duration(), compute_pkt_fields(), compute_pkt_fields2(), compute_status(), dc1394_read_common(), decode_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), decode_vop_header(), dirac_header(), do_audio_out(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), ea_read_header(), encode_ext_header(), encode_init(), estimate_best_b_count(), ff_dirac_schro_get_video_format_idx(), ff_flv_encode_picture_header(), ff_h261_encode_picture_header(), ff_h263_show_pict_info(), ff_h264_decode_init(), ff_parse_specific_params(), ff_rate_control_init(), ff_rate_estimate_qscale(), ff_rm_read_mdpr_codecdata(), ff_set_mpeg4_time(), ff_vbv_update(), ff_vdpau_mpeg4_decode_picture(), ff_xvid_rate_control_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), flv_write_header(), gif_write_video(), grab_read_header(), h261_decode_picture_header(), h263_decode_picture_header(), h263_encode_picture_header(), init_pass2(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mkv_write_tracks(), modify_qscale(), mov_write_header(), mov_write_uuidprof_tag(), mpeg4_encode_gop_header(), mpeg4_encode_picture_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), mpegts_write_header(), mpegvideo_extract_headers(), mpegvideo_parse(), MPV_encode_init(), MPV_encode_picture(), mxf_write_header(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_encode_frame(), ogm_dshow_header(), ogm_header(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), parse_source_parameters(), r3d_read_rdvo(), r3d_read_red1(), r3d_read_redv(), r3d_seek(), rm_write_header(), rtp_write_header(), set_frame_distances(), show_stream(), swf_read_packet(), swf_write_header(), tb_unreliable(), tgq_decode_init(), tgv_decode_init(), theora_header(), tqi_decode_init(), txd_read_header(), v4l2_read_header(), vaapi_mpeg4_start_frame(), vfw_read_header(), video_encode_example(), vp8_init(), write_audio_frame(), write_trailer(), write_video_frame(), x11grab_read_header(), X264_init(), xvid_correct_framerate(), and xvid_encode_init().
GOP timecode frame start number, in non drop frame format
Definition at line 2457 of file avcodec.h.
Referenced by mpeg1_encode_sequence_header().
trellis RD quantization
Definition at line 2327 of file avcodec.h.
Referenced by encode_block(), encode_end(), encode_init(), MPV_encode_init(), X264_init(), and xvid_encode_init().
Sets whether to use LPC mode - used by FLAC encoder.
Definition at line 2412 of file avcodec.h.
Referenced by flac_encode_init().
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
Definition at line 2612 of file avcodec.h.
Referenced by X264_init().
picture width / height.
Definition at line 1109 of file avcodec.h.
Referenced by aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), asf_read_header(), asf_write_header1(), aura_decode_frame(), aura_decode_init(), av_mpeg4_decode_header(), av_transcode(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), cin_read_header(), cinepak_decode(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvbsub_parse_region_segment(), dvvideo_init_encoder(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), escape124_decode_frame(), escape124_decode_init(), estimate_best_b_count(), ff_ccitt_unpack(), ff_create_schro_frame(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_dv_codec_profile(), ff_pnm_decode_header(), ff_print_debug_info(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), fill_picture_parameters(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), fourxm_read_header(), frame_start(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), halfpel_interpol(), has_codec_parameters(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), img_read_header(), img_read_packet(), indeo3_decode_init(), init_bundles(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), iv_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_intra(), mov_read_stsd(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mov_write_video_tag(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_decode_line(), mp_read_changes_map(), mpegvideo_extract_headers(), MPV_encode_init(), msrle_decode_frame(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), pcx_decode_frame(), pcx_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), print_report(), ptx_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), qtrle_encode_line(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tmv_decode_frame(), tmv_read_header(), tqi_decode_frame(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), truemotion1_decode_init(), txd_decode_frame(), ulti_decode_init(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), vmd_decode(), vp3_decode_init(), vp6_parse_header(), vp8_decode(), vp8_init(), wc3_read_header(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_init(), xan_wc3_copy_pixel_run(), xan_wc3_decode_frame(), xan_wc3_output_pixel_run(), xiph_parse_fmtp_pair(), xvid_encode_init(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_read_header(), yuv4_read_packet(), and zmbv_me().
Work around bugs in encoders which sometimes cannot be detected automatically.
Definition at line 1311 of file avcodec.h.
Referenced by ff_h263_decode_init(), ff_h264_decode_init(), ff_mpeg4_set_direct_mv(), and stream_component_open().
XVideo Motion Acceleration
Definition at line 1943 of file avcodec.h.
Referenced by dsputil_init_mmx(), ff_er_frame_end(), ff_xvmc_decode_mb(), is_intra_more_likely(), mpeg_decode_mb(), mpeg_decode_slice(), mpeg_field_start(), mpeg_get_pixelformat(), MPV_decode_mb_internal(), MPV_frame_end(), MPV_frame_start(), and slice_end().