mp4.h

dsp上用c语言实现的aac音频算法的编解码器代码

	MP4FileHandle hFile, 
	const char* propName,
	u_int8_t** ppValue, 
	u_int32_t* pValueSize);

bool MP4SetIntegerProperty(
	MP4FileHandle hFile, 
	const char* propName, 
	int64_t value);

bool MP4SetFloatProperty(
	MP4FileHandle hFile, 
	const char* propName, 
	float value);

bool MP4SetStringProperty(
	MP4FileHandle hFile, const char* propName, const char* value);

bool MP4SetBytesProperty(
	MP4FileHandle hFile, const char* propName, 
	const u_int8_t* pValue, u_int32_t valueSize);

/* track operations */

MP4TrackId MP4AddTrack(
	MP4FileHandle hFile, 
	const char* type);

MP4TrackId MP4AddSystemsTrack(
	MP4FileHandle hFile, 
	const char* type);

MP4TrackId MP4AddODTrack(
	MP4FileHandle hFile);

MP4TrackId MP4AddSceneTrack(
	MP4FileHandle hFile);

MP4TrackId MP4AddAudioTrack(
	MP4FileHandle hFile, 
	u_int32_t timeScale, 
	MP4Duration sampleDuration,
	u_int8_t audioType DEFAULT(MP4_MPEG4_AUDIO_TYPE));

typedef struct mp4v2_ismacryp_session_params {
  u_int32_t  scheme_type;
  u_int16_t  scheme_version;
  u_int8_t  key_ind_len;
  u_int8_t  iv_len;
  u_int8_t  selective_enc;
  char      *kms_uri;
} mp4v2_ismacrypParams;


MP4TrackId MP4AddEncAudioTrack(
	MP4FileHandle hFile, 
	u_int32_t timeScale, 
	MP4Duration sampleDuration,
        mp4v2_ismacrypParams *icPp,
	u_int8_t audioType DEFAULT(MP4_MPEG4_AUDIO_TYPE));
MP4TrackId MP4AddAmrAudioTrack(
		MP4FileHandle hFile,
		u_int32_t timeScale,
		u_int16_t modeSet,
		u_int8_t modeChangePeriod,
		u_int8_t framesPerSample,
		bool isAmrWB);

void MP4SetAmrVendor(
		MP4FileHandle hFile,
		MP4TrackId trackId,
		u_int32_t vendor);

void MP4SetAmrDecoderVersion(
		MP4FileHandle hFile,
		MP4TrackId trackId,
		u_int8_t decoderVersion);

void MP4SetAmrModeSet(
		MP4FileHandle hFile,
		MP4TrackId trackId,
		u_int16_t modeSet);

MP4TrackId MP4AddVideoTrack(
	MP4FileHandle hFile, 
	u_int32_t timeScale, 
	MP4Duration sampleDuration,
	u_int16_t width, 
	u_int16_t height,
	u_int8_t videoType DEFAULT(MP4_MPEG4_VIDEO_TYPE));

MP4TrackId MP4AddEncVideoTrack(
	MP4FileHandle hFile, 
	u_int32_t timeScale, 
	MP4Duration sampleDuration,
	u_int16_t width, 
	u_int16_t height,
        mp4v2_ismacrypParams *icPp,
	u_int8_t videoType DEFAULT(MP4_MPEG4_VIDEO_TYPE));

void MP4SetH263Vendor(
		MP4FileHandle hFile,
		MP4TrackId trackId,
		u_int32_t vendor);

void  MP4SetH263DecoderVersion(
		MP4FileHandle hFile,
		MP4TrackId trackId,
		u_int8_t decoderVersion);

void MP4SetH263Bitrates(
		MP4FileHandle hFile,
		MP4TrackId trackId,
		u_int32_t avgBitrate,
		u_int32_t maxBitrate);

MP4TrackId MP4AddH263VideoTrack(
		MP4FileHandle hFile,
		u_int32_t timeScale,
		MP4Duration sampleDuration,
		u_int16_t width,
		u_int16_t height,
		u_int8_t h263Level,
		u_int8_t h263Profile,
		u_int32_t avgBitrate,
		u_int32_t maxBitrate);

MP4TrackId MP4AddHintTrack(
	MP4FileHandle hFile, 
	MP4TrackId refTrackId);

MP4TrackId MP4CloneTrack(
	MP4FileHandle srcFile, 
	MP4TrackId srcTrackId,
	MP4FileHandle dstFile DEFAULT(MP4_INVALID_FILE_HANDLE),
	MP4TrackId dstHintTrackReferenceTrack DEFAULT(MP4_INVALID_TRACK_ID));

MP4TrackId MP4EncAndCloneTrack(
        MP4FileHandle srcFile,
        MP4TrackId srcTrackId,
        mp4v2_ismacrypParams *icPp,
        MP4FileHandle dstFile DEFAULT(MP4_INVALID_FILE_HANDLE),
        MP4TrackId dstHintTrackReferenceTrack DEFAULT(MP4_INVALID_TRACK_ID));

MP4TrackId MP4CopyTrack(
	MP4FileHandle srcFile, 
	MP4TrackId srcTrackId,
	MP4FileHandle dstFile DEFAULT(MP4_INVALID_FILE_HANDLE), 
	bool applyEdits DEFAULT(false),
	MP4TrackId dstHintTrackReferenceTrack DEFAULT(MP4_INVALID_TRACK_ID));

typedef u_int32_t (*encryptFunc_t)(u_int32_t, u_int32_t, u_int8_t*, u_int32_t*, u_int8_t **);

MP4TrackId MP4EncAndCopyTrack(
	MP4FileHandle srcFile, 
	MP4TrackId srcTrackId,
        mp4v2_ismacrypParams *icPp,
        encryptFunc_t encfcnp,
        u_int32_t encfcnparam1,
	MP4FileHandle dstFile DEFAULT(MP4_INVALID_FILE_HANDLE),
	bool applyEdits DEFAULT(false),
	MP4TrackId dstHintTrackReferenceTrack DEFAULT(MP4_INVALID_TRACK_ID));

bool MP4DeleteTrack(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int32_t MP4GetNumberOfTracks(
	MP4FileHandle hFile, 
	const char* type DEFAULT(NULL),
	u_int8_t subType DEFAULT(0));

MP4TrackId MP4FindTrackId(
	MP4FileHandle hFile, 
	u_int16_t index, 
	const char* type DEFAULT(NULL),
	u_int8_t subType DEFAULT(0));

u_int16_t MP4FindTrackIndex(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

/* track properties */

/* specific track properties */

const char* MP4GetTrackType(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

MP4Duration MP4GetTrackDuration(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int32_t MP4GetTrackTimeScale(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

bool MP4SetTrackTimeScale(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	u_int32_t value);

// Should not be used, replace with MP4GetTrackEsdsObjectTypeId
u_int8_t MP4GetTrackAudioType(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int8_t MP4GetTrackAudioMpeg4Type(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

// Should not be used, replace with MP4GetTrackEsdsObjectTypeId
u_int8_t MP4GetTrackVideoType(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int8_t MP4GetTrackEsdsObjectTypeId(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

/* returns MP4_INVALID_DURATION if track samples do not have a fixed duration */
MP4Duration MP4GetTrackFixedSampleDuration(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int32_t MP4GetTrackBitRate(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

bool MP4GetTrackESConfiguration(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	u_int8_t** ppConfig, 
	u_int32_t* pConfigSize);

bool MP4SetTrackESConfiguration(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const u_int8_t* pConfig, 
	u_int32_t configSize);

MP4SampleId MP4GetTrackNumberOfSamples(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int16_t MP4GetTrackVideoWidth(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

u_int16_t MP4GetTrackVideoHeight(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

float MP4GetTrackVideoFrameRate(
	MP4FileHandle hFile, 
	MP4TrackId trackId);

bool MP4IsIsmaCrypMediaTrack(
        MP4FileHandle hFile,
        MP4TrackId trackId);

/* generic track properties */

u_int64_t MP4GetTrackIntegerProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName);

float MP4GetTrackFloatProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName);

const char* MP4GetTrackStringProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName);

void MP4GetTrackBytesProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName,
	u_int8_t** ppValue, 
	u_int32_t* pValueSize);

bool MP4SetTrackIntegerProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName, 
	int64_t value);

bool MP4SetTrackFloatProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName, 
	float value);

bool MP4SetTrackStringProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName, 
	const char* value);

bool MP4SetTrackBytesProperty(
	MP4FileHandle hFile, 
	MP4TrackId trackId, 
	const char* propName, 
	const u_int8_t* pValue, 
	u_int32_t valueSize);

/* sample operations */

bool MP4ReadSample(
	/* input parameters */
	MP4FileHandle hFile,
	MP4TrackId trackId, 
	MP4SampleId sampleId,
	/* input/output parameters */
	u_int8_t** ppBytes, 
	u_int32_t* pNumBytes, 
	/* output parameters */
	MP4Timestamp* pStartTime DEFAULT(NULL), 
	MP4Duration* pDuration DEFAULT(NULL),
	MP4Duration* pRenderingOffset DEFAULT(NULL), 
	bool* pIsSyncSample DEFAULT(NULL));

/* uses (unedited) time to specify sample instead of sample id */
bool MP4ReadSampleFromTime(
	/* input parameters */
	MP4FileHandle hFile,
	MP4TrackId trackId, 
	MP4Timestamp when,
	/* input/output parameters */
	u_int8_t** ppBytes, 
	u_int32_t* pNumBytes, 
	/* output parameters */
	MP4Timestamp* pStartTime DEFAULT(NULL), 
	MP4Duration* pDuration DEFAULT(NULL),
	MP4Duration* pRenderingOffset DEFAULT(NULL), 
	bool* pIsSyncSample DEFAULT(NULL));

bool MP4WriteSample(
	MP4FileHandle hFile,
	MP4TrackId trackId,
	const u_int8_t* pBytes, 
	u_int32_t numBytes,
	MP4Duration duration DEFAULT(MP4_INVALID_DURATION),
	MP4Duration renderingOffset DEFAULT(0), 
	bool isSyncSample DEFAULT(true));

bool MP4CopySample(
	MP4FileHandle srcFile,
	MP4TrackId srcTrackId, 
	MP4SampleId srcSampleId,
	MP4FileHandle dstFile DEFAULT(MP4_INVALID_FILE_HANDLE),
	MP4TrackId dstTrackId DEFAULT(MP4_INVALID_TRACK_ID),
	MP4Duration dstSampleDuration DEFAULT(MP4_INVALID_DURATION));

bool MP4EncAndCopySample(
	MP4FileHandle srcFile,
	MP4TrackId srcTrackId, 
	MP4SampleId srcSampleId,
        encryptFunc_t encfcnp,
        u_int32_t encfcnparam1,
	MP4FileHandle dstFile DEFAULT(MP4_INVALID_FILE_HANDLE),
	MP4TrackId dstTrackId DEFAULT(MP4_INVALID_TRACK_ID),
	MP4Duration dstSampleDuration DEFAULT(MP4_INVALID_DURATION));

/* Note this function is not yet implemented */
bool MP4ReferenceSample(
	MP4FileHandle srcFile,
	MP4TrackId srcTrackId, 
	MP4SampleId srcSampleId,
	MP4FileHandle dstFile,
	MP4TrackId dstTrackId,
	MP4Duration dstSampleDuration DEFAULT(MP4_INVALID_DURATION));

u_int32_t MP4GetSampleSize(
	MP4FileHandle hFile,
	MP4TrackId trackId, 
	MP4SampleId sampleId);