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
35extern "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
52
53
69
70int lqt_set_fiel(quicktime_t *file, int track, int nfields, int dominance);
71
86
87int lqt_get_fiel(quicktime_t *file, int track, int *nfields, int *dominance);
88
89/* pasp atom */
90
94typedef struct
95{
97 int32_t hSpacing;
99 int32_t vSpacing;
101
109int lqt_set_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp);
110
118int lqt_get_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp);
119
142
156int lqt_set_clap(quicktime_t *file, int track, quicktime_clap_t *clap);
157
171
172int lqt_get_clap(quicktime_t *file, int track, quicktime_clap_t *clap);
173
177typedef struct
178{
182 int16_t primaries;
186 int16_t matrix;
188
202int lqt_set_colr(quicktime_t *file, int track, quicktime_colr_t *colr);
203
217int 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_get_fiel(quicktime_t *file, int track, int *nfields, int *dominance)
Get the field attributes of a video track.
int lqt_set_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp)
Set the pixel aspect atom of a video track.
int lqt_set_colr(quicktime_t *file, int track, quicktime_colr_t *colr)
Set the 'colr' ImageDescription Extension 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.
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_clap(quicktime_t *file, int track, quicktime_clap_t *clap)
Get the clean aperture attributes of a video track.
int lqt_get_pasp(quicktime_t *file, int track, quicktime_pasp_t *pasp)
Get the pixel aspect atom of a video track.
struct quicktime_s quicktime_t
Quicktime handle.
Definition quicktime.h:313
Clean Aperture atom structure.
Definition lqt_atoms.h:124
int32_t cleanApertureWidthD
Definition lqt_atoms.h:128
int32_t cleanApertureHeightD
Definition lqt_atoms.h:132
int32_t horizOffN
Definition lqt_atoms.h:134
int32_t vertOffD
Definition lqt_atoms.h:140
int32_t cleanApertureHeightN
Definition lqt_atoms.h:130
int32_t horizOffD
Definition lqt_atoms.h:136
int32_t cleanApertureWidthN
Definition lqt_atoms.h:126
int32_t vertOffN
Definition lqt_atoms.h:138
'colr' ImageDescription Extension structure
Definition lqt_atoms.h:178
int16_t matrix
Definition lqt_atoms.h:186
int32_t colorParamType
Definition lqt_atoms.h:180
int16_t transferFunction
Definition lqt_atoms.h:184
int16_t primaries
Definition lqt_atoms.h:182
Pixel Aspect atom structure.
Definition lqt_atoms.h:95
int32_t vSpacing
Definition lqt_atoms.h:99
int32_t hSpacing
Definition lqt_atoms.h:97