forked from mia/Aegisub
223 lines
8 KiB
C
223 lines
8 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_CPUFeatures {
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FFMS_CPU_CAPS_MMX = 0x01,
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FFMS_CPU_CAPS_MMX2 = 0x02,
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FFMS_CPU_CAPS_3DNOW = 0x04,
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FFMS_CPU_CAPS_ALTIVEC = 0x08,
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FFMS_CPU_CAPS_BFIN = 0x10
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};
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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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enum FFMS_SampleFormat {
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FFMS_FMT_U8 = 0,
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FFMS_FMT_S16,
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FFMS_FMT_S32,
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FFMS_FMT_FLT,
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FFMS_FMT_DBL
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};
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enum FFMS_AudioChannel {
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FFMS_CH_FRONT_LEFT = 0x00000001,
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FFMS_CH_FRONT_RIGHT = 0x00000002,
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FFMS_CH_FRONT_CENTER = 0x00000004,
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FFMS_CH_LOW_FREQUENCY = 0x00000008,
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FFMS_CH_BACK_LEFT = 0x00000010,
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FFMS_CH_BACK_RIGHT = 0x00000020,
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FFMS_CH_FRONT_LEFT_OF_CENTER = 0x00000040,
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FFMS_CH_FRONT_RIGHT_OF_CENTER = 0x00000080,
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FFMS_CH_BACK_CENTER = 0x00000100,
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FFMS_CH_SIDE_LEFT = 0x00000200,
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FFMS_CH_SIDE_RIGHT = 0x00000400,
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FFMS_CH_TOP_CENTER = 0x00000800,
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FFMS_CH_TOP_FRONT_LEFT = 0x00001000,
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FFMS_CH_TOP_FRONT_CENTER = 0x00002000,
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FFMS_CH_TOP_FRONT_RIGHT = 0x00004000,
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FFMS_CH_TOP_BACK_LEFT = 0x00008000,
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FFMS_CH_TOP_BACK_CENTER = 0x00010000,
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FFMS_CH_TOP_BACK_RIGHT = 0x00020000,
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FFMS_CH_STEREO_LEFT = 0x20000000,
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FFMS_CH_STEREO_RIGHT = 0x40000000
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};
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enum FFMS_Resizers {
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FFMS_RESIZER_FAST_BILINEAR = 0x01,
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FFMS_RESIZER_BILINEAR = 0x02,
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FFMS_RESIZER_BICUBIC = 0x04,
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FFMS_RESIZER_X = 0x08,
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FFMS_RESIZER_POINT = 0x10,
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FFMS_RESIZER_AREA = 0x20,
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FFMS_RESIZER_BICUBLIN = 0x40,
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FFMS_RESIZER_GAUSS = 0x80,
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FFMS_RESIZER_SINC = 0x100,
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FFMS_RESIZER_LANCZOS = 0x200,
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FFMS_RESIZER_SPLINE = 0x400
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};
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struct FFAVFrame {
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uint8_t *Data[4];
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int Linesize[4];
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int EncodedWidth;
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int EncodedHeight;
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int EncodedPixelFormat;
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int ScaledWidth;
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int ScaledHeight;
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int ConvertedPixelFormat;
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int KeyFrame;
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int RepeatPict;
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int InterlacedFrame;
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int TopFieldFirst;
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char PictType;
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};
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struct FFTrackTimeBase {
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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; int RepeatPict; bool KeyFrame;
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struct FFFrameInfo {
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FFMS_FRAMEINFO_COMMON
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};
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struct FFVideoProperties {
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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 RFFDenominator;
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int RFFNumerator;
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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 FFAudioProperties {
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int SampleFormat;
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int SampleRate;
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int BitsPerSample;
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int Channels;
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int64_t ChannelLayout;
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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 *ICPrivate);
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typedef int (FFMS_CC *TAudioNameCallback)(const char *SourceFile, int Track, const FFAudioProperties *AP, char *FileName, int FNSize, void *Private);
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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 in a graceful way
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FFMS_API(void) FFMS_Init(int CPUFeatures);
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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 FFVideoProperties *) FFMS_GetVideoProperties(FFVideo *V);
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FFMS_API(const FFAudioProperties *) FFMS_GetAudioProperties(FFAudio *A);
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FFMS_API(const FFAVFrame *) FFMS_GetFrame(FFVideo *V, int n, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(const FFAVFrame *) 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_SetOutputFormatV(FFVideo *V, int64_t TargetFormats, int Width, int Height, int Resizer, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(void) FFMS_ResetOutputFormatV(FFVideo *V);
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FFMS_API(void) FFMS_DestroyIndex(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);
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FFMS_API(int) FFMS_GetTrackType(FFTrack *T);
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FFMS_API(int) FFMS_GetTrackTypeI(FFIndexer *Indexer, int Track);
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FFMS_API(const char *) FFMS_GetCodecNameI(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);
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FFMS_API(FFTrack *) FFMS_GetTrackFromIndex(FFIndex *Index, int Track);
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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 FFTrackTimeBase *) 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(FFIndex *) FFMS_MakeIndex(const char *SourceFile, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, bool IgnoreDecodeErrors, TIndexCallback IC, void *ICPrivate, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_DefaultAudioFilename(const char *SourceFile, int Track, const FFAudioProperties *AP, char *FileName, int FNSize, void *Private);
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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, TAudioNameCallback ANC, void *ANCPrivate, bool IgnoreDecodeErrors, TIndexCallback IC, void *ICPrivate, 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_IndexBelongsToFile(FFIndex *Index, const char *SourceFile, 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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#endif
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