ref: 6c85fee8f0ffb7c6687f82596288f72d5bd33ef2
dir: /common/mp4v2/mp4file.h/
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is MPEG4IP.
*
* The Initial Developer of the Original Code is Cisco Systems Inc.
* Portions created by Cisco Systems Inc. are
* Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
*
* Contributor(s):
* Dave Mackie [email protected]
*/
#ifndef __MP4_FILE_INCLUDED__
#define __MP4_FILE_INCLUDED__
// forward declarations
class MP4Atom;
class MP4Property;
class MP4Float32Property;
class MP4StringProperty;
class MP4BytesProperty;
class MP4Descriptor;
class MP4DescriptorProperty;
class MP4File {
public: /* equivalent to MP4 library API */
MP4File(u_int32_t verbosity = 0);
~MP4File();
/* file operations */
void Read(const char* fileName);
void Create(const char* fileName, bool use64bits);
void Modify(const char* fileName);
void Optimize(const char* orgFileName,
const char* newFileName = NULL);
void Dump(FILE* pDumpFile = NULL, bool dumpImplicits = false);
void Close();
/* library property per file */
u_int32_t GetVerbosity() {
return m_verbosity;
}
void SetVerbosity(u_int32_t verbosity) {
m_verbosity = verbosity;
}
bool Use64Bits() {
return m_use64bits;
}
/* file properties */
u_int64_t GetIntegerProperty(const char* name);
float GetFloatProperty(const char* name);
const char* GetStringProperty(const char* name);
void GetBytesProperty(const char* name,
u_int8_t** ppValue, u_int32_t* pValueSize);
void SetIntegerProperty(const char* name, u_int64_t value);
void SetFloatProperty(const char* name, float value);
void SetStringProperty(const char* name, const char* value);
void SetBytesProperty(const char* name,
const u_int8_t* pValue, u_int32_t valueSize);
// file level convenience functions
MP4Duration GetDuration();
void SetDuration(MP4Duration value);
u_int32_t GetTimeScale();
void SetTimeScale(u_int32_t value);
u_int8_t GetODProfileLevel();
void SetODProfileLevel(u_int8_t value);
u_int8_t GetSceneProfileLevel();
void SetSceneProfileLevel(u_int8_t value);
u_int8_t GetVideoProfileLevel();
void SetVideoProfileLevel(u_int8_t value);
u_int8_t GetAudioProfileLevel();
void SetAudioProfileLevel(u_int8_t value);
u_int8_t GetGraphicsProfileLevel();
void SetGraphicsProfileLevel(u_int8_t value);
const char* GetSessionSdp();
void SetSessionSdp(const char* sdpString);
void AppendSessionSdp(const char* sdpString);
/* track operations */
MP4TrackId AddTrack(const char* type, u_int32_t timeScale = 1000);
void DeleteTrack(MP4TrackId trackId);
u_int32_t GetNumberOfTracks(const char* type = NULL, u_int8_t subType = 0);
MP4TrackId AllocTrackId();
MP4TrackId FindTrackId(u_int16_t trackIndex,
const char* type = NULL, u_int8_t subType = 0);
u_int16_t FindTrackIndex(MP4TrackId trackId);
u_int16_t FindTrakAtomIndex(MP4TrackId trackId);
/* track properties */
u_int64_t GetTrackIntegerProperty(
MP4TrackId trackId, const char* name);
float GetTrackFloatProperty(
MP4TrackId trackId, const char* name);
const char* GetTrackStringProperty(
MP4TrackId trackId, const char* name);
void GetTrackBytesProperty(
MP4TrackId trackId, const char* name,
u_int8_t** ppValue, u_int32_t* pValueSize);
void SetTrackIntegerProperty(
MP4TrackId trackId, const char* name, int64_t value);
void SetTrackFloatProperty(
MP4TrackId trackId, const char* name, float value);
void SetTrackStringProperty(
MP4TrackId trackId, const char* name, const char* value);
void SetTrackBytesProperty(
MP4TrackId trackId, const char* name,
const u_int8_t* pValue, u_int32_t valueSize);
/* sample operations */
u_int32_t GetSampleSize(MP4TrackId trackId, MP4SampleId sampleId);
u_int32_t GetTrackMaxSampleSize(MP4TrackId trackId);
MP4SampleId GetSampleIdFromTime(MP4TrackId trackId,
MP4Timestamp when, bool wantSyncSample = false);
MP4Timestamp GetSampleTime(
MP4TrackId trackId, MP4SampleId sampleId);
MP4Duration GetSampleDuration(
MP4TrackId trackId, MP4SampleId sampleId);
MP4Duration GetSampleRenderingOffset(
MP4TrackId trackId, MP4SampleId sampleId);
bool GetSampleSync(
MP4TrackId trackId, MP4SampleId sampleId);
void ReadSample(
// input parameters
MP4TrackId trackId,
MP4SampleId sampleId,
// output parameters
u_int8_t** ppBytes,
u_int32_t* pNumBytes,
MP4Timestamp* pStartTime = NULL,
MP4Duration* pDuration = NULL,
MP4Duration* pRenderingOffset = NULL,
bool* pIsSyncSample = NULL);
void WriteSample(
MP4TrackId trackId,
u_int8_t* pBytes,
u_int32_t numBytes,
MP4Duration duration = 0,
MP4Duration renderingOffset = 0,
bool isSyncSample = true);
void SetSampleRenderingOffset(
MP4TrackId trackId,
MP4SampleId sampleId,
MP4Duration renderingOffset);
/* track level convenience functions */
MP4TrackId AddSystemsTrack(const char* type);
MP4TrackId AddODTrack();
MP4TrackId AddSceneTrack();
MP4TrackId AddAudioTrack(
u_int32_t timeScale,
MP4Duration sampleDuration,
u_int8_t audioType);
MP4TrackId AddVideoTrack(
u_int32_t timeScale,
MP4Duration sampleDuration,
u_int16_t width,
u_int16_t height,
u_int8_t videoType);
MP4TrackId AddHintTrack(MP4TrackId refTrackId);
MP4SampleId GetTrackNumberOfSamples(MP4TrackId trackId);
const char* GetTrackType(MP4TrackId trackId);
MP4Duration GetTrackDuration(MP4TrackId trackId);
u_int32_t GetTrackTimeScale(MP4TrackId trackId);
void SetTrackTimeScale(MP4TrackId trackId, u_int32_t value);
u_int8_t GetTrackAudioType(MP4TrackId trackId);
u_int8_t GetTrackAudioMpeg4Type(MP4TrackId trackId);
u_int8_t GetTrackVideoType(MP4TrackId trackId);
MP4Duration GetTrackFixedSampleDuration(MP4TrackId trackId);
float GetTrackVideoFrameRate(MP4TrackId trackId);
void GetTrackESConfiguration(MP4TrackId trackId,
u_int8_t** ppConfig, u_int32_t* pConfigSize);
void SetTrackESConfiguration(MP4TrackId trackId,
const u_int8_t* pConfig, u_int32_t configSize);
const char* GetHintTrackSdp(MP4TrackId hintTrackId);
void SetHintTrackSdp(MP4TrackId hintTrackId, const char* sdpString);
void AppendHintTrackSdp(MP4TrackId hintTrackId, const char* sdpString);
// ISMA specific functions
void MakeIsmaCompliant(bool addIsmaComplianceSdp = true);
void CreateIsmaIodFromParams(
u_int8_t videoProfile,
u_int32_t videoBitrate,
u_int8_t* videoConfig,
u_int32_t videoConfigLength,
u_int8_t audioProfile,
u_int32_t audioBitrate,
u_int8_t* audioConfig,
u_int32_t audioConfigLength,
u_int8_t** ppBytes,
u_int64_t* pNumBytes);
// time convenience functions
u_int64_t ConvertFromMovieDuration(
MP4Duration duration,
u_int32_t timeScale);
u_int64_t ConvertFromTrackTimestamp(
MP4TrackId trackId,
MP4Timestamp timeStamp,
u_int32_t timeScale);
MP4Timestamp ConvertToTrackTimestamp(
MP4TrackId trackId,
u_int64_t timeStamp,
u_int32_t timeScale);
u_int64_t ConvertFromTrackDuration(
MP4TrackId trackId,
MP4Duration duration,
u_int32_t timeScale);
MP4Duration ConvertToTrackDuration(
MP4TrackId trackId,
u_int64_t duration,
u_int32_t timeScale);
// specialized operations
void GetHintTrackRtpPayload(
MP4TrackId hintTrackId,
char** ppPayloadName = NULL,
u_int8_t* pPayloadNumber = NULL,
u_int16_t* pMaxPayloadSize = NULL);
void SetHintTrackRtpPayload(
MP4TrackId hintTrackId,
const char* payloadName,
u_int8_t* pPayloadNumber,
u_int16_t maxPayloadSize);
MP4TrackId GetHintTrackReferenceTrackId(
MP4TrackId hintTrackId);
void ReadRtpHint(
MP4TrackId hintTrackId,
MP4SampleId hintSampleId,
u_int16_t* pNumPackets = NULL);
u_int16_t GetRtpHintNumberOfPackets(
MP4TrackId hintTrackId);
int8_t GetRtpPacketBFrame(
MP4TrackId hintTrackId,
u_int16_t packetIndex);
int32_t GetRtpPacketTransmitOffset(
MP4TrackId hintTrackId,
u_int16_t packetIndex);
void ReadRtpPacket(
MP4TrackId hintTrackId,
u_int16_t packetIndex,
u_int8_t** ppBytes,
u_int32_t* pNumBytes,
u_int32_t ssrc = 0,
bool includeHeader = true,
bool includePayload = true);
MP4Timestamp GetRtpTimestampStart(
MP4TrackId hintTrackId);
void SetRtpTimestampStart(
MP4TrackId hintTrackId,
MP4Timestamp rtpStart);
void AddRtpHint(
MP4TrackId hintTrackId,
bool isBframe,
u_int32_t timestampOffset);
void AddRtpPacket(
MP4TrackId hintTrackId,
bool setMbit,
int32_t transmitOffset);
void AddRtpImmediateData(
MP4TrackId hintTrackId,
const u_int8_t* pBytes,
u_int32_t numBytes);
void AddRtpSampleData(
MP4TrackId hintTrackId,
MP4SampleId sampleId,
u_int32_t dataOffset,
u_int32_t dataLength);
void AddRtpESConfigurationPacket(
MP4TrackId hintTrackId);
void WriteRtpHint(
MP4TrackId hintTrackId,
MP4Duration duration,
bool isSyncSample);
u_int8_t AllocRtpPayloadNumber();
// edit list related
char* MakeTrackEditName(
MP4TrackId trackId,
MP4EditId editId,
const char* name);
MP4EditId AddTrackEdit(
MP4TrackId trackId,
MP4EditId editId = MP4_INVALID_EDIT_ID);
void DeleteTrackEdit(
MP4TrackId trackId,
MP4EditId editId);
u_int32_t GetTrackNumberOfEdits(
MP4TrackId trackId);
MP4Timestamp GetTrackEditStart(
MP4TrackId trackId,
MP4EditId editId);
MP4Duration GetTrackEditTotalDuration(
MP4TrackId trackId,
MP4EditId editId);
MP4Timestamp GetTrackEditMediaStart(
MP4TrackId trackId,
MP4EditId editId);
void SetTrackEditMediaStart(
MP4TrackId trackId,
MP4EditId editId,
MP4Timestamp startTime);
MP4Duration GetTrackEditDuration(
MP4TrackId trackId,
MP4EditId editId);
void SetTrackEditDuration(
MP4TrackId trackId,
MP4EditId editId,
MP4Duration duration);
bool GetTrackEditDwell(
MP4TrackId trackId,
MP4EditId editId);
void SetTrackEditDwell(
MP4TrackId trackId,
MP4EditId editId,
bool dwell);
MP4SampleId GetSampleIdFromEditTime(
MP4TrackId trackId,
MP4Timestamp when,
MP4Timestamp* pStartTime = NULL,
MP4Duration* pDuration = NULL);
/* end of MP4 API */
/* "protected" interface to be used only by friends in library */
u_int64_t GetPosition(FILE* pFile = NULL);
void SetPosition(u_int64_t pos, FILE* pFile = NULL);
u_int64_t GetSize();
u_int32_t ReadBytes(
u_int8_t* pBytes, u_int32_t numBytes, FILE* pFile = NULL);
u_int64_t ReadUInt(u_int8_t size);
u_int8_t ReadUInt8();
u_int16_t ReadUInt16();
u_int32_t ReadUInt24();
u_int32_t ReadUInt32();
u_int64_t ReadUInt64();
float ReadFixed16();
float ReadFixed32();
float ReadFloat();
char* ReadString();
char* ReadCountedString(
u_int8_t charSize = 1, bool allowExpandedCount = false);
u_int64_t ReadBits(u_int8_t numBits);
void FlushReadBits();
u_int32_t ReadMpegLength();
u_int32_t PeekBytes(
u_int8_t* pBytes, u_int32_t numBytes, FILE* pFile = NULL);
void WriteBytes(u_int8_t* pBytes, u_int32_t numBytes, FILE* pFile = NULL);
void WriteUInt(u_int64_t value, u_int8_t size);
void WriteUInt8(u_int8_t value);
void WriteUInt16(u_int16_t value);
void WriteUInt24(u_int32_t value);
void WriteUInt32(u_int32_t value);
void WriteUInt64(u_int64_t value);
void WriteFixed16(float value);
void WriteFixed32(float value);
void WriteFloat(float value);
void WriteString(char* string);
void WriteCountedString(char* string,
u_int8_t charSize = 1, bool allowExpandedCount = false);
void WriteBits(u_int64_t bits, u_int8_t numBits);
void PadWriteBits(u_int8_t pad = 0);
void FlushWriteBits();
void WriteMpegLength(u_int32_t value, bool compact = false);
void EnableMemoryBuffer(
u_int8_t* pBytes = NULL, u_int64_t numBytes = 0);
void DisableMemoryBuffer(
u_int8_t** ppBytes = NULL, u_int64_t* pNumBytes = NULL);
char GetMode() {
return m_mode;
}
MP4Track* GetTrack(MP4TrackId trackId);
MP4Duration UpdateDuration(MP4Duration duration);
MP4Atom* FindAtom(const char* name);
MP4Atom* AddChildAtom(
const char* parentName,
const char* childName);
MP4Atom* AddChildAtom(
MP4Atom* pParentAtom,
const char* childName);
MP4Atom* InsertChildAtom(
const char* parentName,
const char* childName,
u_int32_t index);
MP4Atom* InsertChildAtom(
MP4Atom* pParentAtom,
const char* childName,
u_int32_t index);
MP4Atom* AddDescendantAtoms(
const char* ancestorName,
const char* childName);
MP4Atom* AddDescendantAtoms(
MP4Atom* pAncestorAtom,
const char* childName);
protected:
void Open(const char* fmode);
void ReadFromFile();
void GenerateTracks();
void BeginWrite();
void FinishWrite();
void CacheProperties();
void RewriteMdat(FILE* pReadFile, FILE* pWriteFile);
const char* TempFileName();
void Rename(const char* existingFileName, const char* newFileName);
void ProtectWriteOperation(char* where);
void FindIntegerProperty(const char* name,
MP4Property** ppProperty, u_int32_t* pIndex = NULL);
void FindFloatProperty(const char* name,
MP4Property** ppProperty, u_int32_t* pIndex = NULL);
void FindStringProperty(const char* name,
MP4Property** ppProperty, u_int32_t* pIndex = NULL);
void FindBytesProperty(const char* name,
MP4Property** ppProperty, u_int32_t* pIndex = NULL);
bool FindProperty(const char* name,
MP4Property** ppProperty, u_int32_t* pIndex = NULL);
void AddTrackToIod(MP4TrackId trackId);
void RemoveTrackFromIod(MP4TrackId trackId);
void AddTrackToOd(MP4TrackId trackId);
void RemoveTrackFromOd(MP4TrackId trackId);
void GetTrackReferenceProperties(const char* trefName,
MP4Property** ppCountProperty, MP4Property** ppTrackIdProperty);
void AddTrackReference(const char* trefName, MP4TrackId refTrackId);
u_int32_t FindTrackReference(const char* trefName, MP4TrackId refTrackId);
void RemoveTrackReference(const char* trefName, MP4TrackId refTrackId);
void AddDataReference(MP4TrackId trackId, const char* url);
char* MakeTrackName(MP4TrackId trackId, const char* name);
u_int8_t ConvertTrackTypeToStreamType(const char* trackType);
void CreateIsmaIodFromFile(
MP4TrackId odTrackId,
MP4TrackId sceneTrackId,
MP4TrackId audioTrackId,
MP4TrackId videoTrackId,
u_int8_t** ppBytes,
u_int64_t* pNumBytes);
MP4Descriptor* CreateESD(
MP4DescriptorProperty* pEsProperty,
u_int32_t esid,
u_int8_t objectType,
u_int8_t streamType,
u_int32_t bufferSize,
u_int32_t bitrate,
u_int8_t* pConfig,
u_int32_t configLength,
char* url);
void CreateIsmaODUpdateCommandFromFileForFile(
MP4TrackId odTrackId,
MP4TrackId audioTrackId,
MP4TrackId videoTrackId,
u_int8_t** ppBytes,
u_int64_t* pNumBytes);
void CreateIsmaODUpdateCommandFromFileForStream(
MP4TrackId audioTrackId,
MP4TrackId videoTrackId,
u_int8_t** ppBytes,
u_int64_t* pNumBytes);
void CreateIsmaODUpdateCommandForStream(
MP4DescriptorProperty* pAudioEsdProperty,
MP4DescriptorProperty* pVideoEsdProperty,
u_int8_t** ppBytes,
u_int64_t* pNumBytes);
void CreateIsmaSceneCommand(
bool hasAudio,
bool hasVideo,
u_int8_t** ppBytes,
u_int64_t* pNumBytes);
protected:
char* m_fileName;
FILE* m_pFile;
u_int64_t m_orgFileSize;
u_int64_t m_fileSize;
MP4Atom* m_pRootAtom;
MP4Integer32Array m_trakIds;
MP4TrackArray m_pTracks;
MP4TrackId m_odTrackId;
u_int32_t m_verbosity;
char m_mode;
bool m_use64bits;
bool m_useIsma;
// cached properties
MP4IntegerProperty* m_pModificationProperty;
MP4Integer32Property* m_pTimeScaleProperty;
MP4IntegerProperty* m_pDurationProperty;
// read/write in memory
u_int8_t* m_memoryBuffer;
u_int64_t m_memoryBufferPosition;
u_int64_t m_memoryBufferSize;
// bit read/write buffering
u_int8_t m_numReadBits;
u_int8_t m_bufReadBits;
u_int8_t m_numWriteBits;
u_int8_t m_bufWriteBits;
};
#endif /* __MP4_FILE_INCLUDED__ */