forked from mia/Aegisub
158 lines
7.9 KiB
C++
158 lines
7.9 KiB
C++
// Copyright (c) 2007-2008 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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#define FFMS_EXPORTS
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#ifdef __cplusplus
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# define EXTERN_C extern "C"
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#else
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# define EXTERN_C
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#endif
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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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class VideoBase;
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class FrameIndex;
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class FrameInfoVector;
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typedef int (FFMS_CC *IndexCallback)(int State, int64_t Current, int64_t Total, void *Private);
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// PixelFormat declarations from avutil.h so external libraries don't necessarily have to include and ffmpeg headers
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enum FFMS_PixelFormat {
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FFMS_PIX_FMT_NONE= -1,
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FFMS_PIX_FMT_YUV420P, ///< Planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
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FFMS_PIX_FMT_YUYV422, ///< Packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
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FFMS_PIX_FMT_RGB24, ///< Packed RGB 8:8:8, 24bpp, RGBRGB...
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FFMS_PIX_FMT_BGR24, ///< Packed RGB 8:8:8, 24bpp, BGRBGR...
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FFMS_PIX_FMT_YUV422P, ///< Planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
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FFMS_PIX_FMT_YUV444P, ///< Planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
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FFMS_PIX_FMT_RGB32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8R 8G 8B(lsb), in cpu endianness
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FFMS_PIX_FMT_YUV410P, ///< Planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
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FFMS_PIX_FMT_YUV411P, ///< Planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
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FFMS_PIX_FMT_RGB565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in cpu endianness
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FFMS_PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in cpu endianness most significant bit to 0
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FFMS_PIX_FMT_GRAY8, ///< Y , 8bpp
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FFMS_PIX_FMT_MONOWHITE, ///< Y , 1bpp, 0 is white, 1 is black
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FFMS_PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black, 1 is white
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FFMS_PIX_FMT_PAL8, ///< 8 bit with PIX_FMT_RGB32 palette
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FFMS_PIX_FMT_YUVJ420P, ///< Planar YUV 4:2:0, 12bpp, full scale (jpeg)
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FFMS_PIX_FMT_YUVJ422P, ///< Planar YUV 4:2:2, 16bpp, full scale (jpeg)
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FFMS_PIX_FMT_YUVJ444P, ///< Planar YUV 4:4:4, 24bpp, full scale (jpeg)
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FFMS_PIX_FMT_XVMC_MPEG2_MC,///< XVideo Motion Acceleration via common packet passing(xvmc_render.h)
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FFMS_PIX_FMT_XVMC_MPEG2_IDCT,
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FFMS_PIX_FMT_UYVY422, ///< Packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
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FFMS_PIX_FMT_UYYVYY411, ///< Packed YUV 4:1:1, 12bpp, Cb Y0 Y1 Cr Y2 Y3
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FFMS_PIX_FMT_BGR32, ///< Packed RGB 8:8:8, 32bpp, (msb)8A 8B 8G 8R(lsb), in cpu endianness
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FFMS_PIX_FMT_BGR565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), in cpu endianness
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FFMS_PIX_FMT_BGR555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5B 5G 5R(lsb), in cpu endianness most significant bit to 1
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FFMS_PIX_FMT_BGR8, ///< Packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
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FFMS_PIX_FMT_BGR4, ///< Packed RGB 1:2:1, 4bpp, (msb)1B 2G 1R(lsb)
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FFMS_PIX_FMT_BGR4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
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FFMS_PIX_FMT_RGB8, ///< Packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
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FFMS_PIX_FMT_RGB4, ///< Packed RGB 1:2:1, 4bpp, (msb)2R 3G 3B(lsb)
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FFMS_PIX_FMT_RGB4_BYTE, ///< Packed RGB 1:2:1, 8bpp, (msb)2R 3G 3B(lsb)
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FFMS_PIX_FMT_NV12, ///< Planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 for UV
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FFMS_PIX_FMT_NV21, ///< as above, but U and V bytes are swapped
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FFMS_PIX_FMT_RGB32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8R 8G 8B 8A(lsb), in cpu endianness
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FFMS_PIX_FMT_BGR32_1, ///< Packed RGB 8:8:8, 32bpp, (msb)8B 8G 8R 8A(lsb), in cpu endianness
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FFMS_PIX_FMT_GRAY16BE, ///< Y , 16bpp, big-endian
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FFMS_PIX_FMT_GRAY16LE, ///< Y , 16bpp, little-endian
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FFMS_PIX_FMT_YUV440P, ///< Planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
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FFMS_PIX_FMT_YUVJ440P, ///< Planar YUV 4:4:0 full scale (jpeg)
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FFMS_PIX_FMT_YUVA420P, ///< Planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
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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 AVFrameLite are actually updated when postprocessing is used.
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struct AVFrameLite {
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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 TrackTimeBase {
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int Num;
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int Den;
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};
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struct FrameInfo {
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int64_t DTS;
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bool KeyFrame;
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FrameInfo(int64_t DTS, bool KeyFrame);
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};
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struct VideoProperties {
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public:
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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 PixelFormat;
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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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};
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FFMS_API(void) FFMS_Init();
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FFMS_API(VideoBase *) FFMS_CreateVideoSource(const char *SourceFile, int Track, FrameIndex *TrackIndices, const char *PP, int Threads, int SeekMode, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(void) FFMS_DestroyVideoSource(VideoBase *VB);
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FFMS_API(int) FFMS_GetVSTrack(VideoBase *VB);
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FFMS_API(const VideoProperties *) FFMS_GetVideoProperties(VideoBase *VB);
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FFMS_API(const AVFrameLite *) FFMS_GetFrame(VideoBase *VB, int n, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_SetOutputFormat(VideoBase *VB, int TargetFormats, int Width, int Height);
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FFMS_API(void) FFMS_ResetOutputFormat(VideoBase *VB);
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FFMS_API(void) FFMS_DestroyFrameIndex(FrameIndex *FI);
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FFMS_API(int) FFMS_GetNumTracks(FrameIndex *TrackIndices, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_GetNumFrames(FrameInfoVector *FIV, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(const FrameInfo *) FFMS_GetFrameInfo(FrameInfoVector *FIV, int Frame, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FrameInfoVector *) FFMS_GetTITrackIndex(FrameIndex *TrackIndices, int Track, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FrameInfoVector *) FFMS_GetVSTrackIndex(VideoBase *VB, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_FindClosestKeyFrame(FrameInfoVector *FIV, int Frame, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_FrameFromDTS(FrameInfoVector *FIV, int64_t DTS, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_ClosestFrameFromDTS(FrameInfoVector *FIV, int64_t DTS, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(const TrackTimeBase *) FFMS_GetTimeBase(FrameInfoVector *FIV, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_WriteTimecodes(FrameInfoVector *FIV, const char *TimecodeFile, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FrameIndex *) FFMS_MakeIndex(const char *SourceFile, int AudioTrackMask, const char *AudioFile, IndexCallback IP, void *Private, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(FrameIndex *) FFMS_ReadIndex(const char *IndexFile, char *ErrorMsg, unsigned MsgSize);
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FFMS_API(int) FFMS_WriteIndex(const char *IndexFile, FrameIndex *TrackIndices, char *ErrorMsg, unsigned MsgSize);
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#endif
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