| #ifndef MP4V2_GENERAL_H |
| #define MP4V2_GENERAL_H |
| |
| /**************************************************************************//** |
| * |
| * @defgroup mp4_general MP4v2 General |
| * @{ |
| * |
| *****************************************************************************/ |
| |
| /* MP4 API types */ |
| typedef void* MP4FileHandle; |
| typedef uint32_t MP4TrackId; |
| typedef uint32_t MP4SampleId; |
| typedef uint64_t MP4Timestamp; |
| typedef uint64_t MP4Duration; |
| typedef uint32_t MP4EditId; |
| |
| typedef enum { |
| MP4_LOG_NONE = 0, |
| MP4_LOG_ERROR = 1, |
| MP4_LOG_WARNING = 2, |
| MP4_LOG_INFO = 3, |
| MP4_LOG_VERBOSE1 = 4, |
| MP4_LOG_VERBOSE2 = 5, |
| MP4_LOG_VERBOSE3 = 6, |
| MP4_LOG_VERBOSE4 = 7 |
| } MP4LogLevel; |
| |
| /*****************************************************************************/ |
| |
| typedef void (*MP4LogCallback)( |
| MP4LogLevel loglevel, |
| const char* fmt, |
| va_list ap ); |
| |
| /*****************************************************************************/ |
| |
| /** Encryption function pointer. |
| * |
| * @see MP4EncAndCopySample(). |
| * @see MP4EncAndCopyTrack(). |
| */ |
| typedef uint32_t (*encryptFunc_t)( uint32_t, uint32_t, uint8_t*, uint32_t*, uint8_t** ); |
| |
| /*****************************************************************************/ |
| |
| #define MP4_INVALID_FILE_HANDLE ((MP4FileHandle)NULL) /**< Constant: invalid MP4FileHandle. */ |
| #define MP4_INVALID_TRACK_ID ((MP4TrackId)0) /**< Constant: invalid MP4TrackId. */ |
| #define MP4_INVALID_SAMPLE_ID ((MP4SampleId)0) /**< Constant: invalid MP4SampleId. */ |
| #define MP4_INVALID_TIMESTAMP ((MP4Timestamp)-1) /**< Constant: invalid MP4Timestamp. */ |
| #define MP4_INVALID_DURATION ((MP4Duration)-1) /**< Constant: invalid MP4Duration. */ |
| #define MP4_INVALID_EDIT_ID ((MP4EditId)0) /**< Constant: invalid MP4EditId. */ |
| |
| /* Macros to test for API type validity */ |
| #define MP4_IS_VALID_FILE_HANDLE(x) ((x) != MP4_INVALID_FILE_HANDLE) |
| #define MP4_IS_VALID_TRACK_ID(x) ((x) != MP4_INVALID_TRACK_ID) |
| #define MP4_IS_VALID_SAMPLE_ID(x) ((x) != MP4_INVALID_SAMPLE_ID) |
| #define MP4_IS_VALID_TIMESTAMP(x) ((x) != MP4_INVALID_TIMESTAMP) |
| #define MP4_IS_VALID_DURATION(x) ((x) != MP4_INVALID_DURATION) |
| #define MP4_IS_VALID_EDIT_ID(x) ((x) != MP4_INVALID_EDIT_ID) |
| |
| /* |
| * MP4 Known track type names - e.g. MP4GetNumberOfTracks(type) |
| * |
| * Note this first group of track types should be created |
| * via the MP4Add<Type>Track() functions, and not MP4AddTrack(type) |
| */ |
| #define MP4_OD_TRACK_TYPE "odsm" /**< Constant: OD track. */ |
| #define MP4_SCENE_TRACK_TYPE "sdsm" /**< Constant: scene track. */ |
| #define MP4_AUDIO_TRACK_TYPE "soun" /**< Constant: audio track. */ |
| #define MP4_VIDEO_TRACK_TYPE "vide" /**< Constant: video track. */ |
| #define MP4_HINT_TRACK_TYPE "hint" /**< Constant: hint track. */ |
| #define MP4_CNTL_TRACK_TYPE "cntl" /**< Constant: control track. */ |
| #define MP4_TEXT_TRACK_TYPE "text" /**< Constant: text track. */ |
| #define MP4_SUBTITLE_TRACK_TYPE "sbtl" /**< Constant: subtitle track. */ |
| #define MP4_SUBPIC_TRACK_TYPE "subp" /**< Constant: subpic track. */ |
| /* |
| * This second set of track types should be created |
| * via MP4AddSystemsTrack(type) |
| */ |
| #define MP4_CLOCK_TRACK_TYPE "crsm" /**< Constant: clock track. */ |
| #define MP4_MPEG7_TRACK_TYPE "m7sm" /**< Constant: mpeg7 track. */ |
| #define MP4_OCI_TRACK_TYPE "ocsm" /**< Constant: OCI track. */ |
| #define MP4_IPMP_TRACK_TYPE "ipsm" /**< Constant: IPMP track. */ |
| #define MP4_MPEGJ_TRACK_TYPE "mjsm" /**< Constant: MPEGJ track. */ |
| |
| #define MP4_IS_VIDEO_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_VIDEO_TRACK_TYPE)) |
| |
| #define MP4_IS_AUDIO_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_AUDIO_TRACK_TYPE)) |
| |
| #define MP4_IS_CNTL_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_CNTL_TRACK_TYPE)) |
| |
| #define MP4_IS_OD_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_OD_TRACK_TYPE)) |
| |
| #define MP4_IS_SCENE_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_SCENE_TRACK_TYPE)) |
| |
| #define MP4_IS_HINT_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_HINT_TRACK_TYPE)) |
| |
| #define MP4_IS_SYSTEMS_TRACK_TYPE(type) \ |
| (!strcasecmp(type, MP4_CLOCK_TRACK_TYPE) \ |
| || !strcasecmp(type, MP4_MPEG7_TRACK_TYPE) \ |
| || !strcasecmp(type, MP4_OCI_TRACK_TYPE) \ |
| || !strcasecmp(type, MP4_IPMP_TRACK_TYPE) \ |
| || !strcasecmp(type, MP4_MPEGJ_TRACK_TYPE)) |
| |
| /* MP4 Audio track types - see MP4AddAudioTrack()*/ |
| #define MP4_INVALID_AUDIO_TYPE 0x00 |
| #define MP4_MPEG1_AUDIO_TYPE 0x6B |
| #define MP4_MPEG2_AUDIO_TYPE 0x69 |
| #define MP4_MP3_AUDIO_TYPE MP4_MPEG2_AUDIO_TYPE |
| #define MP4_MPEG2_AAC_MAIN_AUDIO_TYPE 0x66 |
| #define MP4_MPEG2_AAC_LC_AUDIO_TYPE 0x67 |
| #define MP4_MPEG2_AAC_SSR_AUDIO_TYPE 0x68 |
| #define MP4_MPEG2_AAC_AUDIO_TYPE MP4_MPEG2_AAC_MAIN_AUDIO_TYPE |
| #define MP4_MPEG4_AUDIO_TYPE 0x40 |
| #define MP4_PRIVATE_AUDIO_TYPE 0xC0 |
| #define MP4_PCM16_LITTLE_ENDIAN_AUDIO_TYPE 0xE0 /* a private definition */ |
| #define MP4_VORBIS_AUDIO_TYPE 0xE1 /* a private definition */ |
| #define MP4_AC3_AUDIO_TYPE 0xE2 /* a private definition */ |
| #define MP4_ALAW_AUDIO_TYPE 0xE3 /* a private definition */ |
| #define MP4_ULAW_AUDIO_TYPE 0xE4 /* a private definition */ |
| #define MP4_G723_AUDIO_TYPE 0xE5 /* a private definition */ |
| #define MP4_PCM16_BIG_ENDIAN_AUDIO_TYPE 0xE6 /* a private definition */ |
| |
| /* MP4 MPEG-4 Audio types from 14496-3 Table 1.5.1 */ |
| #define MP4_MPEG4_INVALID_AUDIO_TYPE 0 |
| #define MP4_MPEG4_AAC_MAIN_AUDIO_TYPE 1 |
| #define MP4_MPEG4_AAC_LC_AUDIO_TYPE 2 |
| #define MP4_MPEG4_AAC_SSR_AUDIO_TYPE 3 |
| #define MP4_MPEG4_AAC_LTP_AUDIO_TYPE 4 |
| #define MP4_MPEG4_AAC_HE_AUDIO_TYPE 5 |
| #define MP4_MPEG4_AAC_SCALABLE_AUDIO_TYPE 6 |
| #define MP4_MPEG4_CELP_AUDIO_TYPE 8 |
| #define MP4_MPEG4_HVXC_AUDIO_TYPE 9 |
| #define MP4_MPEG4_TTSI_AUDIO_TYPE 12 |
| #define MP4_MPEG4_MAIN_SYNTHETIC_AUDIO_TYPE 13 |
| #define MP4_MPEG4_WAVETABLE_AUDIO_TYPE 14 |
| #define MP4_MPEG4_MIDI_AUDIO_TYPE 15 |
| #define MP4_MPEG4_ALGORITHMIC_FX_AUDIO_TYPE 16 |
| #define MP4_MPEG4_ALS_AUDIO_TYPE 31 |
| #define MP4_MPEG4_LAYER1_AUDIO_TYPE 32 |
| #define MP4_MPEG4_LAYER2_AUDIO_TYPE 33 |
| #define MP4_MPEG4_LAYER3_AUDIO_TYPE 34 |
| #define MP4_MPEG4_SLS_AUDIO_TYPE 35 |
| |
| /* MP4 Audio type utilities following common usage */ |
| #define MP4_IS_MP3_AUDIO_TYPE(type) \ |
| ((type) == MP4_MPEG1_AUDIO_TYPE || (type) == MP4_MPEG2_AUDIO_TYPE) |
| |
| #define MP4_IS_MPEG2_AAC_AUDIO_TYPE(type) \ |
| (((type) >= MP4_MPEG2_AAC_MAIN_AUDIO_TYPE \ |
| && (type) <= MP4_MPEG2_AAC_SSR_AUDIO_TYPE)) |
| |
| #define MP4_IS_MPEG4_AAC_AUDIO_TYPE(mpeg4Type) \ |
| (((mpeg4Type) >= MP4_MPEG4_AAC_MAIN_AUDIO_TYPE \ |
| && (mpeg4Type) <= MP4_MPEG4_AAC_HE_AUDIO_TYPE) \ |
| || (mpeg4Type) == MP4_MPEG4_AAC_SCALABLE_AUDIO_TYPE \ |
| || (mpeg4Type) == 17) |
| |
| #define MP4_IS_AAC_AUDIO_TYPE(type) \ |
| (MP4_IS_MPEG2_AAC_AUDIO_TYPE(type) \ |
| || (type) == MP4_MPEG4_AUDIO_TYPE) |
| |
| /* MP4 Video track types - see MP4AddVideoTrack() */ |
| #define MP4_INVALID_VIDEO_TYPE 0x00 |
| #define MP4_MPEG1_VIDEO_TYPE 0x6A |
| #define MP4_MPEG2_SIMPLE_VIDEO_TYPE 0x60 |
| #define MP4_MPEG2_MAIN_VIDEO_TYPE 0x61 |
| #define MP4_MPEG2_SNR_VIDEO_TYPE 0x62 |
| #define MP4_MPEG2_SPATIAL_VIDEO_TYPE 0x63 |
| #define MP4_MPEG2_HIGH_VIDEO_TYPE 0x64 |
| #define MP4_MPEG2_442_VIDEO_TYPE 0x65 |
| #define MP4_MPEG2_VIDEO_TYPE MP4_MPEG2_MAIN_VIDEO_TYPE |
| #define MP4_MPEG4_VIDEO_TYPE 0x20 |
| #define MP4_JPEG_VIDEO_TYPE 0x6C |
| #define MP4_PRIVATE_VIDEO_TYPE 0xD0 |
| #define MP4_YUV12_VIDEO_TYPE 0xF0 /* a private definition */ |
| #define MP4_H263_VIDEO_TYPE 0xF2 /* a private definition */ |
| #define MP4_H261_VIDEO_TYPE 0xF3 /* a private definition */ |
| |
| /* MP4 Video type utilities */ |
| #define MP4_IS_MPEG1_VIDEO_TYPE(type) \ |
| ((type) == MP4_MPEG1_VIDEO_TYPE) |
| |
| #define MP4_IS_MPEG2_VIDEO_TYPE(type) \ |
| (((type) >= MP4_MPEG2_SIMPLE_VIDEO_TYPE \ |
| && (type) <= MP4_MPEG2_442_VIDEO_TYPE) \ |
| || MP4_IS_MPEG1_VIDEO_TYPE(type)) |
| |
| #define MP4_IS_MPEG4_VIDEO_TYPE(type) \ |
| ((type) == MP4_MPEG4_VIDEO_TYPE) |
| |
| /* Mpeg4 Visual Profile Defines - ISO/IEC 14496-2:2001/Amd.2:2002(E) */ |
| #define MPEG4_SP_L1 (0x1) |
| #define MPEG4_SP_L2 (0x2) |
| #define MPEG4_SP_L3 (0x3) |
| #define MPEG4_SP_L0 (0x8) |
| #define MPEG4_SSP_L1 (0x11) |
| #define MPEG4_SSP_L2 (0x12) |
| #define MPEG4_CP_L1 (0x21) |
| #define MPEG4_CP_L2 (0x22) |
| #define MPEG4_MP_L2 (0x32) |
| #define MPEG4_MP_L3 (0x33) |
| #define MPEG4_MP_L4 (0x34) |
| #define MPEG4_NBP_L2 (0x42) |
| #define MPEG4_STP_L1 (0x51) |
| #define MPEG4_SFAP_L1 (0x61) |
| #define MPEG4_SFAP_L2 (0x62) |
| #define MPEG4_SFBAP_L1 (0x63) |
| #define MPEG4_SFBAP_L2 (0x64) |
| #define MPEG4_BATP_L1 (0x71) |
| #define MPEG4_BATP_L2 (0x72) |
| #define MPEG4_HP_L1 (0x81) |
| #define MPEG4_HP_L2 (0x82) |
| #define MPEG4_ARTSP_L1 (0x91) |
| #define MPEG4_ARTSP_L2 (0x92) |
| #define MPEG4_ARTSP_L3 (0x93) |
| #define MPEG4_ARTSP_L4 (0x94) |
| #define MPEG4_CSP_L1 (0xa1) |
| #define MPEG4_CSP_L2 (0xa2) |
| #define MPEG4_CSP_L3 (0xa3) |
| #define MPEG4_ACEP_L1 (0xb1) |
| #define MPEG4_ACEP_L2 (0xb2) |
| #define MPEG4_ACEP_L3 (0xb3) |
| #define MPEG4_ACEP_L4 (0xb4) |
| #define MPEG4_ACP_L1 (0xc1) |
| #define MPEG4_ACP_L2 (0xc2) |
| #define MPEG4_AST_L1 (0xd1) |
| #define MPEG4_AST_L2 (0xd2) |
| #define MPEG4_AST_L3 (0xd3) |
| #define MPEG4_S_STUDIO_P_L1 (0xe1) |
| #define MPEG4_S_STUDIO_P_L2 (0xe2) |
| #define MPEG4_S_STUDIO_P_L3 (0xe3) |
| #define MPEG4_S_STUDIO_P_L4 (0xe4) |
| #define MPEG4_C_STUDIO_P_L1 (0xe5) |
| #define MPEG4_C_STUDIO_P_L2 (0xe6) |
| #define MPEG4_C_STUDIO_P_L3 (0xe7) |
| #define MPEG4_C_STUDIO_P_L4 (0xe8) |
| #define MPEG4_ASP_L0 (0xF0) |
| #define MPEG4_ASP_L1 (0xF1) |
| #define MPEG4_ASP_L2 (0xF2) |
| #define MPEG4_ASP_L3 (0xF3) |
| #define MPEG4_ASP_L4 (0xF4) |
| #define MPEG4_ASP_L5 (0xF5) |
| #define MPEG4_ASP_L3B (0xF7) |
| #define MPEG4_FGSP_L0 (0xf8) |
| #define MPEG4_FGSP_L1 (0xf9) |
| #define MPEG4_FGSP_L2 (0xfa) |
| #define MPEG4_FGSP_L3 (0xfb) |
| #define MPEG4_FGSP_L4 (0xfc) |
| #define MPEG4_FGSP_L5 (0xfd) |
| |
| /*****************************************************************************/ |
| |
| /* 3GP specific utilities */ |
| |
| MP4V2_EXPORT |
| bool MP4Make3GPCompliant( |
| const char* fileName, |
| char* majorBrand DEFAULT(0), |
| uint32_t minorVersion DEFAULT(0), |
| char** supportedBrands DEFAULT(NULL), |
| uint32_t supportedBrandsCount DEFAULT(0), |
| bool deleteIodsAtom DEFAULT(true) ); |
| |
| /* NOTE this section of functionality has not yet been fully tested */ |
| |
| MP4V2_EXPORT |
| MP4EditId MP4AddTrackEdit( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId DEFAULT(MP4_INVALID_EDIT_ID), |
| MP4Timestamp startTime DEFAULT(0), |
| MP4Duration duration DEFAULT(0), |
| bool dwell DEFAULT(false) ); |
| |
| MP4V2_EXPORT |
| bool MP4DeleteTrackEdit( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId ); |
| |
| MP4V2_EXPORT |
| uint32_t MP4GetTrackNumberOfEdits( |
| MP4FileHandle hFile, |
| MP4TrackId trackId ); |
| |
| MP4V2_EXPORT |
| MP4Timestamp MP4GetTrackEditStart( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId ); |
| |
| MP4V2_EXPORT |
| MP4Duration MP4GetTrackEditTotalDuration( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId DEFAULT(MP4_INVALID_EDIT_ID) ); |
| |
| MP4V2_EXPORT |
| MP4Timestamp MP4GetTrackEditMediaStart( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId ); |
| |
| MP4V2_EXPORT |
| bool MP4SetTrackEditMediaStart( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId, |
| MP4Timestamp startTime ); |
| |
| MP4V2_EXPORT |
| MP4Duration MP4GetTrackEditDuration( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId ); |
| |
| MP4V2_EXPORT |
| bool MP4SetTrackEditDuration( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId, |
| MP4Duration duration ); |
| |
| MP4V2_EXPORT |
| int8_t MP4GetTrackEditDwell( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId ); |
| |
| MP4V2_EXPORT |
| bool MP4SetTrackEditDwell( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4EditId editId, |
| bool dwell ); |
| |
| MP4V2_EXPORT |
| bool MP4ReadSampleFromEditTime( |
| /* input parameters */ |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4Timestamp when, |
| /* input/output parameters */ |
| uint8_t** ppBytes, |
| uint32_t* pNumBytes, |
| /* output parameters */ |
| MP4Timestamp* pStartTime DEFAULT(NULL), |
| MP4Duration* pDuration DEFAULT(NULL), |
| MP4Duration* pRenderingOffset DEFAULT(NULL), |
| bool* pIsSyncSample DEFAULT(NULL) ); |
| |
| MP4V2_EXPORT |
| MP4SampleId MP4GetSampleIdFromEditTime( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4Timestamp when, |
| MP4Timestamp* pStartTime DEFAULT(NULL), |
| MP4Duration* pDuration DEFAULT(NULL) ); |
| |
| /* time conversion utilties */ |
| |
| /* predefined values for timeScale parameter below */ |
| #define MP4_SECONDS_TIME_SCALE 1 |
| #define MP4_MILLISECONDS_TIME_SCALE 1000 |
| #define MP4_MICROSECONDS_TIME_SCALE 1000000 |
| #define MP4_NANOSECONDS_TIME_SCALE 1000000000 |
| |
| #define MP4_SECS_TIME_SCALE MP4_SECONDS_TIME_SCALE |
| #define MP4_MSECS_TIME_SCALE MP4_MILLISECONDS_TIME_SCALE |
| #define MP4_USECS_TIME_SCALE MP4_MICROSECONDS_TIME_SCALE |
| #define MP4_NSECS_TIME_SCALE MP4_NANOSECONDS_TIME_SCALE |
| |
| MP4V2_EXPORT |
| uint64_t MP4ConvertFromMovieDuration( |
| MP4FileHandle hFile, |
| MP4Duration duration, |
| uint32_t timeScale ); |
| |
| MP4V2_EXPORT |
| uint64_t MP4ConvertFromTrackTimestamp( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4Timestamp timeStamp, |
| uint32_t timeScale ); |
| |
| MP4V2_EXPORT |
| MP4Timestamp MP4ConvertToTrackTimestamp( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| uint64_t timeStamp, |
| uint32_t timeScale ); |
| |
| /** Convert duration from track time scale to an arbitrary time scale. |
| * |
| * MP4ConvertFromTrackDuration converts a duration such as a sample duration |
| * from the track time scale to another time scale. This can be used by a |
| * player application to map all track samples to a common time scale. |
| * |
| * @param hFile handle of file for operation. |
| * @param trackId id of track for operation. |
| * @param duration value to be converted. |
| * @param timeScale time scale in ticks per second. |
| * |
| * @return On success, the duration in arbitrary time scale units. |
| * On error, <b>0</b>. |
| * |
| * @see MP4GetSampleDuration(). |
| * @see MP4ConvertToTrackDuration(). |
| */ |
| MP4V2_EXPORT |
| uint64_t MP4ConvertFromTrackDuration( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| MP4Duration duration, |
| uint32_t timeScale ); |
| |
| /** Convert duration from arbitrary time scale to track time scale. |
| * |
| * MP4ConvertToTrackDuration converts a duration such as a sample duration |
| * from the specified time scale to the track time scale. |
| * |
| * @param hFile handle of file for operation. |
| * @param trackId id of track for operation. |
| * @param duration value to be converted. |
| * @param timeScale time scale in ticks per second. |
| * |
| * @return On success, the duration in track time scale units. |
| * On error, #MP4_INVALID_DURATION. |
| * |
| * @see MP4ConvertFromTrackDuration(). |
| */ |
| MP4V2_EXPORT |
| MP4Duration MP4ConvertToTrackDuration( |
| MP4FileHandle hFile, |
| MP4TrackId trackId, |
| uint64_t duration, |
| uint32_t timeScale ); |
| |
| MP4V2_EXPORT |
| char* MP4BinaryToBase16( |
| const uint8_t* pData, |
| uint32_t dataSize ); |
| |
| MP4V2_EXPORT |
| char* MP4BinaryToBase64( |
| const uint8_t* pData, |
| uint32_t dataSize ); |
| |
| MP4V2_EXPORT |
| uint8_t* Base64ToBinary( |
| const char* pData, |
| uint32_t decodeSize, |
| uint32_t* pDataSize ); |
| |
| MP4V2_EXPORT |
| void MP4Free( |
| void* p ); |
| |
| /** Set the function to call in place of default logging behavior |
| * |
| * @param cb_func the function to call |
| */ |
| MP4V2_EXPORT |
| void MP4SetLogCallback( |
| MP4LogCallback cb_func ); |
| /** @} ***********************************************************************/ |
| |
| /** |
| * Accessor for the maximum level for diagnostic information |
| * |
| * @return the maximum level for diagnostic information |
| * |
| * @see MP4LogSetLevel() for further details. |
| */ |
| MP4V2_EXPORT |
| MP4LogLevel MP4LogGetLevel( void ); |
| |
| /** |
| * Set the maximum level for diagnostic information |
| * |
| * @param verbosity the level to set |
| */ |
| MP4V2_EXPORT |
| void MP4LogSetLevel( MP4LogLevel verbosity ); |
| |
| #endif /* MP4V2_GENERAL_H */ |
