/usr/include/mp4v2/file_prop.h is in libmp4v2-dev 2.0.0~dfsg0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | #ifndef MP4V2_FILE_PROP_H
#define MP4V2_FILE_PROP_H
/**************************************************************************//**
*
* @defgroup mp4_file_prop MP4v2 File Property
* @{
*
*****************************************************************************/
/* generic props */
MP4V2_EXPORT
bool MP4HaveAtom(
MP4FileHandle hFile,
const char* atomName );
MP4V2_EXPORT
bool MP4GetIntegerProperty(
MP4FileHandle hFile,
const char* propName,
uint64_t* retval );
MP4V2_EXPORT
bool MP4GetFloatProperty(
MP4FileHandle hFile,
const char* propName,
float* retvalue );
MP4V2_EXPORT
bool MP4GetStringProperty(
MP4FileHandle hFile,
const char* propName,
const char** retvalue );
MP4V2_EXPORT
bool MP4GetBytesProperty(
MP4FileHandle hFile,
const char* propName,
uint8_t** ppValue,
uint32_t* pValueSize );
MP4V2_EXPORT
bool MP4SetIntegerProperty(
MP4FileHandle hFile,
const char* propName,
int64_t value );
MP4V2_EXPORT
bool MP4SetFloatProperty(
MP4FileHandle hFile,
const char* propName,
float value );
MP4V2_EXPORT
bool MP4SetStringProperty(
MP4FileHandle hFile,
const char* propName,
const char* value );
MP4V2_EXPORT
bool MP4SetBytesProperty(
MP4FileHandle hFile,
const char* propName,
const uint8_t* pValue,
uint32_t valueSize );
/* specific props */
MP4V2_EXPORT
MP4Duration MP4GetDuration( MP4FileHandle hFile );
/** Get the time scale of the movie (file).
*
* MP4GetTimeScale returns the time scale in units of ticks per second for
* the mp4 file. Caveat: tracks may use the same time scale as the movie
* or may use their own time scale.
*
* @param hFile handle of file for operation.
*
* @return timescale (ticks per second) of the mp4 file.
*/
MP4V2_EXPORT
uint32_t MP4GetTimeScale( MP4FileHandle hFile );
/** Set the time scale of the movie (file).
*
* MP4SetTimeScale sets the time scale of the mp4 file. The time scale is
* in the number of clock ticks per second. Caveat: tracks may use the
* same time scale as the movie or may use their own time scale.
*
* @param hFile handle of file for operation.
* @param value desired timescale for the movie.
*
* @return On success, true. On failure, false.
*/
MP4V2_EXPORT
bool MP4SetTimeScale( MP4FileHandle hFile, uint32_t value );
/** Change the general timescale of file hFile.
*
* This function changes the general timescale of the file <b>hFile</b>
* to the new timescale <b>value</b> by recalculating all values that depend
* on the timescale in "moov.mvhd".
*
* If the timescale is already equal to value nothing is done.
*
* @param hFile handle of file to change.
* @param value the new timescale.
*/
MP4V2_EXPORT
void MP4ChangeMovieTimeScale( MP4FileHandle hFile, uint32_t value );
MP4V2_EXPORT
uint8_t MP4GetODProfileLevel( MP4FileHandle hFile );
MP4V2_EXPORT
bool MP4SetODProfileLevel( MP4FileHandle hFile, uint8_t value );
MP4V2_EXPORT
uint8_t MP4GetSceneProfileLevel( MP4FileHandle hFile );
MP4V2_EXPORT
bool MP4SetSceneProfileLevel( MP4FileHandle hFile, uint8_t value );
MP4V2_EXPORT
uint8_t MP4GetVideoProfileLevel(
MP4FileHandle hFile,
MP4TrackId trackId DEFAULT(MP4_INVALID_TRACK_ID) );
MP4V2_EXPORT
void MP4SetVideoProfileLevel( MP4FileHandle hFile, uint8_t value );
MP4V2_EXPORT
uint8_t MP4GetAudioProfileLevel( MP4FileHandle hFile );
MP4V2_EXPORT
void MP4SetAudioProfileLevel( MP4FileHandle hFile, uint8_t value );
MP4V2_EXPORT
uint8_t MP4GetGraphicsProfileLevel( MP4FileHandle hFile );
MP4V2_EXPORT
bool MP4SetGraphicsProfileLevel( MP4FileHandle hFile, uint8_t value );
/** @} ***********************************************************************/
#endif /* MP4V2_FILE_PROP_H */
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