AOMedia Codec SDK
Modules | Files | Data Structures | Typedefs | Enumerations

Modules

 AOMedia AOM/AV1 Decoder
 
 AOMedia AOM/AV1 Encoder
 

Files

file  aom.h
 Provides controls common to both the AOM encoder and decoder.
 

Data Structures

struct  aom_postproc_cfg
 post process flags More...
 
struct  av1_ref_frame
 AV1 specific reference frame data struct. More...
 

Typedefs

typedef struct aom_postproc_cfg aom_postproc_cfg_t
 post process flags More...
 
typedef struct av1_ref_frame av1_ref_frame_t
 AV1 specific reference frame data struct. More...
 

Enumerations

enum  aom_com_control_id {
  AOM_SET_POSTPROC = 3, AOM_SET_DBG_COLOR_REF_FRAME, AOM_SET_DBG_COLOR_MB_MODES = 5, AOM_SET_DBG_COLOR_B_MODES = 6,
  AOM_SET_DBG_DISPLAY_MV = 7, AV1_GET_REFERENCE = 128, AV1_SET_REFERENCE = 129, AV1_COPY_REFERENCE,
  AOM_COMMON_CTRL_ID_MAX, AV1_GET_NEW_FRAME_IMAGE = 192, AV1_COPY_NEW_FRAME_IMAGE, AOM_DECODER_CTRL_ID_START = 256
}
 Control functions. More...
 
enum  aom_postproc_level {
  AOM_NOFILTERING = 0, AOM_DEBLOCK = 1 << 0, AOM_DEMACROBLOCK = 1 << 1, AOM_ADDNOISE = 1 << 2,
  AOM_DEBUG_TXT_FRAME_INFO = 1 << 3, AOM_DEBUG_TXT_MBLK_MODES, AOM_DEBUG_TXT_DC_DIFF = 1 << 5, AOM_DEBUG_TXT_RATE_INFO = 1 << 6,
  AOM_MFQE = 1 << 10
}
 post process flags More...
 

Detailed Description

AOM is aom's newest video compression algorithm that uses motion compensated prediction, Discrete Cosine Transform (DCT) coding of the prediction error signal and context dependent entropy coding techniques based on arithmetic principles. It features:

Typedef Documentation

◆ aom_postproc_cfg_t

post process flags

This define a structure that describe the post processing settings. For the best objective measure (using the PSNR metric) set post_proc_flag to AOM_DEBLOCK and deblocking_level to 1.

◆ av1_ref_frame_t

AV1 specific reference frame data struct.

Define the data struct to access av1 reference frames.

Enumeration Type Documentation

◆ aom_com_control_id

Control functions.

The set of macros define the control functions of AOM interface

Enumerator
AOM_SET_POSTPROC 

pass in an external frame into decoder to be used as reference frame

set the decoder's post processing settings

AOM_SET_DBG_COLOR_REF_FRAME 

set the reference frames to color for each macroblock

AOM_SET_DBG_COLOR_MB_MODES 

set which macro block modes to color

AOM_SET_DBG_COLOR_B_MODES 

set which blocks modes to color

AOM_SET_DBG_DISPLAY_MV 

set which motion vector modes to draw

AV1_GET_REFERENCE 

get a pointer to a reference frame

AV1_SET_REFERENCE 

write a frame into a reference buffer

AV1_COPY_REFERENCE 

get a copy of reference frame from the decoder

AV1_GET_NEW_FRAME_IMAGE 

get a pointer to the new frame

AV1_COPY_NEW_FRAME_IMAGE 

copy the new frame to an external buffer

◆ aom_postproc_level

post process flags

The set of macros define AOM decoder post processing flags

Enumerator
AOM_DEBUG_TXT_FRAME_INFO 

print frame information

AOM_DEBUG_TXT_MBLK_MODES 

print macro block modes over each macro block

AOM_DEBUG_TXT_DC_DIFF 

print dc diff for each macro block

AOM_DEBUG_TXT_RATE_INFO 

print video rate info (encoder only)