forked from mia/Aegisub
164 lines
6.4 KiB
C
164 lines
6.4 KiB
C
// Copyright (c) 2007-2009 Fredrik Mellbin
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef FFMS_H
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#define FFMS_H
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#include <stdint.h>
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#ifdef __cplusplus
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# define EXTERN_C extern "C"
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# define FFMS_CLASS_TYPE class
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#else
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# define EXTERN_C
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# define FFMS_CLASS_TYPE struct
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#endif
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#ifdef _WIN32
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# define FFMS_CC __stdcall
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# ifdef FFMS_EXPORTS
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# define FFMS_API(ret) EXTERN_C __declspec(dllexport) ret FFMS_CC
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# else
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# define FFMS_API(ret) EXTERN_C __declspec(dllimport) ret FFMS_CC
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# endif
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#else
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# define FFMS_CC
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# define FFMS_API(ret) EXTERN_C ret FFMS_CC
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#endif
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FFMS_CLASS_TYPE FFVideo;
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FFMS_CLASS_TYPE FFAudio;
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FFMS_CLASS_TYPE FFIndexer;
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FFMS_CLASS_TYPE FFIndex;
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FFMS_CLASS_TYPE FFTrack;
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enum FFMS_SeekMode {
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FFMS_SEEK_LINEAR_NO_RW = -1,
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FFMS_SEEK_LINEAR = 0,
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FFMS_SEEK_NORMAL = 1,
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FFMS_SEEK_UNSAFE = 2,
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FFMS_SEEK_AGGRESSIVE = 3
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};
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enum FFMS_TrackType {
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FFMS_TYPE_UNKNOWN = -1,
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FFMS_TYPE_VIDEO,
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FFMS_TYPE_AUDIO,
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FFMS_TYPE_DATA,
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FFMS_TYPE_SUBTITLE,
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FFMS_TYPE_ATTACHMENT
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};
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// This is a subset of the original AVFrame only containing the most used parts.
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// Even if it might seem like a good idea to cast it back to a full AVFrame to
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// access a few more values you really shouldn't do that. Only the values present
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// in TAVFrameLite are actually updated when postprocessing is used.
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struct TAVFrameLite {
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uint8_t *Data[4];
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int Linesize[4];
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uint8_t *Base[4];
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int KeyFrame;
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int PictType;
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};
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struct TTrackTimeBase {
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int64_t Num;
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int64_t Den;
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};
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#define FFMS_FRAMEINFO_COMMON int64_t DTS; bool KeyFrame;
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struct FFFrameInfo {
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FFMS_FRAMEINFO_COMMON
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};
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struct TVideoProperties {
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int Width;
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int Height;
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int FPSDenominator;
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int FPSNumerator;
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int NumFrames;
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int VPixelFormat;
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int SARNum;
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int SARDen;
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int CropTop;
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int CropBottom;
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int CropLeft;
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int CropRight;
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double FirstTime;
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double LastTime;
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};
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struct TAudioProperties {
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int SampleRate;
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int Channels;
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int BitsPerSample;
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bool Float;
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int64_t NumSamples;
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double FirstTime;
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double LastTime;
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};
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typedef int (FFMS_CC *TIndexCallback)(int64_t Current, int64_t Total, void *Private);
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typedef int (FFMS_CC *TAudioNameCallback)(const char *SourceFile, int Track, const TAudioProperties *AP, char *FileName, unsigned FNSize);
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// Most functions return 0 on success
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// Functions without error message output can be assumed to never fail
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FFMS_API(void) FFMS_Init();
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FFMS_API(int) FFMS_GetLogLevel();
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FFMS_API(void) FFMS_SetLogLevel(int Level);
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FFMS_API(FFVideo *) FFMS_CreateVideoSource(const char *SourceFile, int Track, FFIndex *Index, const char *PP, int Threads, int SeekMode, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FFAudio *) FFMS_CreateAudioSource(const char *SourceFile, int Track, FFIndex *Index, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(void) FFMS_DestroyVideoSource(FFVideo *V);
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FFMS_API(void) FFMS_DestroyAudioSource(FFAudio *A);
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FFMS_API(const TVideoProperties *) FFMS_GetVideoProperties(FFVideo *V);
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FFMS_API(const TAudioProperties *) FFMS_GetAudioProperties(FFAudio *A);
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FFMS_API(const TAVFrameLite *) FFMS_GetFrame(FFVideo *V, int n, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(const TAVFrameLite *) FFMS_GetFrameByTime(FFVideo *V, double Time, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_GetAudio(FFAudio *A, void *Buf, int64_t Start, int64_t Count, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_SetOutputFormat(FFVideo *V, int TargetFormat, int Width, int Height, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(void) FFMS_ResetOutputFormat(FFVideo *V);
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FFMS_API(void) FFMS_DestroyFFIndex(FFIndex *Index);
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FFMS_API(int) FFMS_GetFirstTrackOfType(FFIndex *Index, int TrackType, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_GetFirstIndexedTrackOfType(FFIndex *Index, int TrackType, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_GetNumTracks(FFIndex *Index);
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FFMS_API(int) FFMS_GetNumTracksI(FFIndexer *Indexer, int Track);
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FFMS_API(FFMS_TrackType) FFMS_GetTrackType(FFTrack *T);
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FFMS_API(FFMS_TrackType) FFMS_GetTrackTypeI(FFIndexer *Indexer, int Track);
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FFMS_API(const char *) FFMS_CodecName(FFIndexer *Indexer, int Track);
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FFMS_API(int) FFMS_GetNumFrames(FFTrack *T);
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FFMS_API(const FFFrameInfo *) FFMS_GetFrameInfo(FFTrack *T, int Frame, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FFTrack *) FFMS_GetTrackFromIndex(FFIndex *Index, int Track, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FFTrack *) FFMS_GetTrackFromVideo(FFVideo *V);
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FFMS_API(FFTrack *) FFMS_GetTrackFromAudio(FFAudio *A);
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FFMS_API(const TTrackTimeBase *) FFMS_GetTimeBase(FFTrack *T);
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FFMS_API(int) FFMS_WriteTimecodes(FFTrack *T, const char *TimecodeFile, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FFIndexer *) FFMS_CreateIndexer(const char *SourceFile, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FFIndex *) FFMS_DoIndexing(FFIndexer *Indexer, int IndexMask, int DumpMask, const char *AudioFile, bool IgnoreDecodeErrors, TIndexCallback IC, void *Private, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(void) FFMS_CancelIndexing(FFIndexer *Indexer);
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FFMS_API(FFIndex *) FFMS_ReadIndex(const char *IndexFile, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_WriteIndex(const char *IndexFile, FFIndex *Index, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_GetPixFmt(const char *Name);
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// Deprecated, only provided for compatibility
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FFMS_API(FFIndex *) FFMS_MakeIndex(const char *SourceFile, int IndexMask, int DumpMask, const char *AudioFile, bool IgnoreDecodeErrors, TIndexCallback IC, void *Private, char *ErrorMsg, unsigned MsgSize);
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#endif
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