mp4file.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:16k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * 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 dmackie@cisco.com
- */
- #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__ */