libquicktime
lqt_atoms.h
1 /*******************************************************************************
2  lqt_atoms.h
3 
4  libquicktime - A library for reading and writing quicktime/avi/mp4 files.
5  http://libquicktime.sourceforge.net
6 
7  Copyright (C) 2002 Heroine Virtual Ltd.
8  Copyright (C) 2002-2011 Members of the libquicktime project.
9 
10  This library is free software; you can redistribute it and/or modify it under
11  the terms of the GNU Lesser General Public License as published by the Free
12  Software Foundation; either version 2.1 of the License, or (at your option)
13  any later version.
14 
15  This library is distributed in the hope that it will be useful, but WITHOUT
16  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17  FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
18  details.
19 
20  You should have received a copy of the GNU Lesser General Public License along
21  with this library; if not, write to the Free Software Foundation, Inc., 51
22  Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 *******************************************************************************/
24 
25 #ifndef _LQT_ATOMS_H_
26 #define _LQT_ATOMS_H_
27 
28 
29 
30 #ifdef __GNUC__
31 #pragma GCC visibility push(default)
32 #endif
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif /* __cplusplus */
37 
38 #define LQT_COLR_NCLC 0x6E636C63
39 #define LQT_COLR_PROF 0x70726F66
40 
41 /* Fine tuning of quicktime atoms. Use with caution */
42 
70 int lqt_set_fiel(quicktime_t *file, int track, int nfields, int dominance);
71 
87 int lqt_get_fiel(quicktime_t *file, int track, int *nfields, int *dominance);
88 
89 /* pasp atom */
90 
94 typedef struct
95 {
97  int32_t hSpacing;
99  int32_t vSpacing;
101 
109 int lqt_set_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp);
110 
118 int lqt_get_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp);
119 
123 typedef struct
124 {
134  int32_t horizOffN;
136  int32_t horizOffD;
138  int32_t vertOffN;
140  int32_t vertOffD;
142 
156 int lqt_set_clap(quicktime_t *file, int track, quicktime_clap_t *clap);
157 
172 int lqt_get_clap(quicktime_t *file, int track, quicktime_clap_t *clap);
173 
177 typedef struct
178 {
180  int32_t colorParamType;
182  int16_t primaries;
186  int16_t matrix;
188 
202 int lqt_set_colr(quicktime_t *file, int track, quicktime_colr_t *colr);
203 
217 int lqt_get_colr(quicktime_t *file, int track, quicktime_colr_t *colr);
218 
219 #ifdef __cplusplus
220 }
221 #endif /* __cplusplus */
222 
223 #ifdef __GNUC__
224 #pragma GCC visibility pop
225 #endif
226 
227 #endif /* _LQT_ATOMS_H_ */
int lqt_set_colr(quicktime_t *file, int track, quicktime_colr_t *colr)
Set the 'colr' ImageDescription Extension of a video track.
int32_t cleanApertureHeightD
Definition: lqt_atoms.h:132
int lqt_get_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp)
Get the pixel aspect atom of a video track.
int32_t cleanApertureWidthD
Definition: lqt_atoms.h:128
int16_t transferFunction
Definition: lqt_atoms.h:184
int32_t horizOffD
Definition: lqt_atoms.h:136
int32_t vertOffD
Definition: lqt_atoms.h:140
int32_t hSpacing
Definition: lqt_atoms.h:97
'colr' ImageDescription Extension structure
Definition: lqt_atoms.h:177
int lqt_set_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp)
Set the pixel aspect atom of a video track.
Pixel Aspect atom structure.
Definition: lqt_atoms.h:94
int32_t cleanApertureHeightN
Definition: lqt_atoms.h:130
int32_t vSpacing
Definition: lqt_atoms.h:99
int lqt_set_clap(quicktime_t *file, int track, quicktime_clap_t *clap)
Set the clean aperture attributes of a video track.
int lqt_set_fiel(quicktime_t *file, int track, int nfields, int dominance)
Set the field attributes of a video track.
int lqt_get_colr(quicktime_t *file, int track, quicktime_colr_t *colr)
Get the 'colr' ImageDescription Extension of a video track.
int16_t primaries
Definition: lqt_atoms.h:182
int32_t cleanApertureWidthN
Definition: lqt_atoms.h:126
int lqt_get_clap(quicktime_t *file, int track, quicktime_clap_t *clap)
Get the clean aperture attributes of a video track.
int32_t vertOffN
Definition: lqt_atoms.h:138
int32_t colorParamType
Definition: lqt_atoms.h:180
struct quicktime_s quicktime_t
Quicktime handle.
Definition: quicktime.h:308
int16_t matrix
Definition: lqt_atoms.h:186
Clean Aperture atom structure.
Definition: lqt_atoms.h:123
int32_t horizOffN
Definition: lqt_atoms.h:134
int lqt_get_fiel(quicktime_t *file, int track, int *nfields, int *dominance)
Get the field attributes of a video track.