615 lines
18 KiB
C++
615 lines
18 KiB
C++
#include <windows.h>
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#include <stdio.h>
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#include <map>
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#include <vector>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <fcntl.h>
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#include <io.h>
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extern "C" {
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#include <ffmpeg\avformat.h>
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#include <ffmpeg\avcodec.h>
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#include <ffmpeg\swscale.h>
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}
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#include "MatroskaParser.h"
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#include "avisynth.h"
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#include "stdiostream.c"
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#include "matroskacodecs.c"
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class FFBase : public IClip {
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private:
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SwsContext *SWS;
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int ConvertToFormat;
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int ConvertFromFormat;
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protected:
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VideoInfo VI;
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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) : DTS(_DTS), KeyFrame(_KeyFrame) {};
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};
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std::vector<FrameInfo> FrameToDTS;
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int FindClosestKeyFrame(int Frame) {
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for (unsigned int i = Frame; i > 0; i--)
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if (FrameToDTS[i].KeyFrame)
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return i;
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return 0;
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}
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int FrameFromDTS(int64_t DTS) {
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for (unsigned int i = 0; i < FrameToDTS.size(); i++)
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if (FrameToDTS[i].DTS == DTS)
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return i;
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return -1;
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}
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int ClosestFrameFromDTS(int64_t DTS) {
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int Frame = 0;
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int64_t BestDiff = 0xFFFFFFFFFFFFFF;
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for (unsigned int i = 0; i < FrameToDTS.size(); i++) {
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int64_t CurrentDiff = FFABS(FrameToDTS[i].DTS - DTS);
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if (CurrentDiff < BestDiff) {
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BestDiff = CurrentDiff;
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Frame = i;
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}
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}
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return Frame;
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}
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bool LoadFrameInfoFromFile(FILE *CacheFile) {
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if (ftell(CacheFile)) {
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rewind(CacheFile);
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fscanf(CacheFile, "%d\n", &VI.num_frames);
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for (int i = 0; i < VI.num_frames; i++) {
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int64_t DTSTemp;
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int KFTemp;
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fscanf(CacheFile, "%lld %d\n", &DTSTemp, &KFTemp);
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FrameToDTS.push_back(FrameInfo(DTSTemp, KFTemp != 0));
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}
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return true;
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}
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return false;
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}
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void SetOutputFormat(int CurrentFormat, IScriptEnvironment *Env) {
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int Loss;
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int BestFormat = avcodec_find_best_pix_fmt((1 << PIX_FMT_YUV420P) | (1 << PIX_FMT_YUYV422) | (1 << PIX_FMT_RGB32) | (1 << PIX_FMT_BGR24), CurrentFormat, 1 /* Required to prevent pointless RGB32 => RGB24 conversion */, &Loss);
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switch (BestFormat) {
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case PIX_FMT_YUV420P: VI.pixel_type = VideoInfo::CS_I420; break;
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case PIX_FMT_YUYV422: VI.pixel_type = VideoInfo::CS_YUY2; break;
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case PIX_FMT_RGB32: VI.pixel_type = VideoInfo::CS_BGR32; break;
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case PIX_FMT_BGR24: VI.pixel_type = VideoInfo::CS_BGR24; break;
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default:
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Env->ThrowError("FFmpegSource: No suitable output format found");
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}
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if (BestFormat != CurrentFormat) {
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ConvertFromFormat = CurrentFormat;
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ConvertToFormat = BestFormat;
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SWS = sws_getContext(VI.width, VI.height, ConvertFromFormat, VI.width, VI.height, ConvertToFormat, SWS_BICUBIC, NULL, NULL, NULL);
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}
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}
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PVideoFrame OutputFrame(AVFrame *Frame, IScriptEnvironment *Env) {
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PVideoFrame Dst = Env->NewVideoFrame(VI);
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if (ConvertToFormat != PIX_FMT_NONE && VI.pixel_type == VideoInfo::CS_I420) {
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uint8_t *DstData[3] = {Dst->GetWritePtr(PLANAR_Y), Dst->GetWritePtr(PLANAR_U), Dst->GetWritePtr(PLANAR_V)};
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int DstStride[3] = {Dst->GetPitch(PLANAR_Y), Dst->GetPitch(PLANAR_U), Dst->GetPitch(PLANAR_V)};
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sws_scale(SWS, Frame->data, Frame->linesize, 0, VI.height, DstData, DstStride);
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} else if (ConvertToFormat != PIX_FMT_NONE) {
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if (VI.IsRGB()) {
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uint8_t *DstData[1] = {Dst->GetWritePtr() + Dst->GetPitch() * (Dst->GetHeight() - 1)};
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int DstStride[1] = {-Dst->GetPitch()};
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sws_scale(SWS, Frame->data, Frame->linesize, 0, VI.height, DstData, DstStride);
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} else {
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uint8_t *DstData[1] = {Dst->GetWritePtr()};
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int DstStride[1] = {Dst->GetPitch()};
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sws_scale(SWS, Frame->data, Frame->linesize, 0, VI.height, DstData, DstStride);
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}
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} else if (VI.pixel_type == VideoInfo::CS_I420) {
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Env->BitBlt(Dst->GetWritePtr(PLANAR_Y), Dst->GetPitch(PLANAR_Y), Frame->data[0], Frame->linesize[0], Dst->GetRowSize(PLANAR_Y), Dst->GetHeight(PLANAR_Y));
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Env->BitBlt(Dst->GetWritePtr(PLANAR_U), Dst->GetPitch(PLANAR_U), Frame->data[1], Frame->linesize[1], Dst->GetRowSize(PLANAR_U), Dst->GetHeight(PLANAR_U));
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Env->BitBlt(Dst->GetWritePtr(PLANAR_V), Dst->GetPitch(PLANAR_V), Frame->data[2], Frame->linesize[2], Dst->GetRowSize(PLANAR_V), Dst->GetHeight(PLANAR_V));
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} else {
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if (VI.IsRGB())
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Env->BitBlt(Dst->GetWritePtr() + Dst->GetPitch() * (Dst->GetHeight() - 1), -Dst->GetPitch(), Frame->data[0], Frame->linesize[0], Dst->GetRowSize(), Dst->GetHeight());
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else
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Env->BitBlt(Dst->GetWritePtr(), Dst->GetPitch(), Frame->data[0], Frame->linesize[0], Dst->GetRowSize(), Dst->GetHeight());
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}
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return Dst;
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}
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public:
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virtual bool __stdcall GetParity(int n) { return 0; }
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virtual void __stdcall GetAudio(void* buf, __int64 start, __int64 count, IScriptEnvironment* env) { }
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virtual void __stdcall SetCacheHints(int cachehints, int frame_range) { }
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virtual const VideoInfo& __stdcall GetVideoInfo() { return VI; }
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FFBase() {
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SWS = NULL;
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ConvertToFormat = PIX_FMT_NONE;
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ConvertFromFormat = PIX_FMT_NONE;
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memset(&VI, 0, sizeof(VI));
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}
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};
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class FFMKVSource : public FFBase {
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private:
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AVCodecContext CodecContext;
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AVCodec *Codec;
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AVFrame *Frame;
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int CurrentFrame;
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StdIoStream ST;
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MatroskaFile *MF;
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char ErrorMessage[256];
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unsigned int BufferSize;
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uint8_t *Buffer;
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CompressedStream *CS;
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unsigned int ReadNextFrame(int64_t *FirstStartTime, IScriptEnvironment *Env);
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int DecodeNextFrame(AVFrame *Frame, int64_t *FirstStartTime, IScriptEnvironment* Env);
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public:
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FFMKVSource(const char *Source, int Track, FILE *Timecodes, bool Cache, FILE *CacheFile, IScriptEnvironment* Env) {
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BufferSize = 0;
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Buffer = NULL;
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Frame = NULL;
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CS = NULL;
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CurrentFrame = 0;
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memset(&ST,0,sizeof(ST));
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ST.base.read = (int (__cdecl *)(InputStream *,ulonglong,void *,int))StdIoRead;
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ST.base.scan = (longlong (__cdecl *)(InputStream *,ulonglong,unsigned int))StdIoScan;
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ST.base.getcachesize = (unsigned int (__cdecl *)(InputStream *))StdIoGetCacheSize;
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ST.base.geterror = (const char *(__cdecl *)(InputStream *))StdIoGetLastError;
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ST.base.memalloc = (void *(__cdecl *)(InputStream *,size_t))StdIoMalloc;
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ST.base.memrealloc = (void *(__cdecl *)(InputStream *,void *,size_t))StdIoRealloc;
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ST.base.memfree = (void (__cdecl *)(InputStream *,void *)) StdIoFree;
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ST.base.progress = (int (__cdecl *)(InputStream *,ulonglong,ulonglong))StdIoProgress;
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ST.fp = fopen(Source, "rb");
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if (ST.fp == NULL)
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Env->ThrowError("FFmpegSource: Can't open '%s': %s", Source, strerror(errno));
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setvbuf(ST.fp, NULL, _IOFBF, CACHESIZE);
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MF = mkv_OpenEx(&ST.base, 0, 0, ErrorMessage, sizeof(ErrorMessage));
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if (MF == NULL) {
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fclose(ST.fp);
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Env->ThrowError("FFmpegSource: Can't parse Matroska file: %s", ErrorMessage);
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}
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if (Track < 0)
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for (unsigned int i = 0; i < mkv_GetNumTracks(MF); i++)
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if (mkv_GetTrackInfo(MF, i)->Type == TT_VIDEO) {
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Track = i;
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break;
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}
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if (Track < 0)
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Env->ThrowError("FFmpegSource: No video track found");
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if ((unsigned int)Track >= mkv_GetNumTracks(MF))
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Env->ThrowError("FFmpegSource: Invalid track number: %d", Track);
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TrackInfo *TI = mkv_GetTrackInfo(MF, Track);
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if (TI->Type != TT_VIDEO)
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Env->ThrowError("FFmpegSource: Selected track is not video");
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mkv_SetTrackMask(MF, ~(1 << Track));
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if (TI->CompEnabled) {
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CS = cs_Create(MF, Track, ErrorMessage, sizeof(ErrorMessage));
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if (CS == NULL)
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Env->ThrowError("FFmpegSource: Can't create decompressor: %s", ErrorMessage);
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}
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avcodec_get_context_defaults(&CodecContext);
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CodecContext.extradata = (uint8_t *)TI->CodecPrivate;
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CodecContext.extradata_size = TI->CodecPrivateSize;
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Codec = avcodec_find_decoder(MatroskaToFFCodecID(TI));
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if (Codec == NULL)
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Env->ThrowError("FFmpegSource: Codec not found");
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if (avcodec_open(&CodecContext, Codec) < 0)
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Env->ThrowError("FFmpegSource: Could not open codec");
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VI.image_type = VideoInfo::IT_TFF;
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VI.width = TI->AV.Video.PixelWidth;
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VI.height = TI->AV.Video.PixelHeight;
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VI.fps_denominator = 1;
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VI.fps_numerator = 30;
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SetOutputFormat(CodecContext.pix_fmt, Env);
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// Needs to be indexed?
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if (!(Cache && LoadFrameInfoFromFile(CacheFile))) {
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unsigned int TrackNumber, FrameSize, FrameFlags;
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uint64_t StartTime, EndTime, FilePos;
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while (mkv_ReadFrame(MF, 0, &TrackNumber, &StartTime, &EndTime, &FilePos, &FrameSize, &FrameFlags) == 0) {
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FrameToDTS.push_back(FrameInfo(StartTime, (FrameFlags & FRAME_KF) != 0));
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VI.num_frames++;
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}
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mkv_Seek(MF, FrameToDTS[0].DTS, MKVF_SEEK_TO_PREV_KEYFRAME);
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if (Cache) {
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fprintf(CacheFile, "%d\n", VI.num_frames);
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for (int i = 0; i < VI.num_frames; i++)
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fprintf(CacheFile, "%lld %d\n", FrameToDTS[i].DTS, (int)(FrameToDTS[i].KeyFrame ? 1 : 0));
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}
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}
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if (Timecodes)
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for (int i = 0; i < VI.num_frames; i++)
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fprintf(Timecodes, "%f\n", (FrameToDTS[i].DTS * mkv_TruncFloat(TI->TimecodeScale)) / (double)(1000000));
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Frame = avcodec_alloc_frame();
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}
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~FFMKVSource() {
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free(Buffer);
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mkv_Close(MF);
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fclose(ST.fp);
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av_free(Frame);
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avcodec_close(&CodecContext);
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}
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PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* Env);
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};
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unsigned int FFMKVSource::ReadNextFrame(int64_t *FirstStartTime, IScriptEnvironment *Env) {
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unsigned int TrackNumber, FrameFlags, FrameSize;
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uint64_t EndTime, FilePos, StartTime;
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*FirstStartTime = -1;
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while (mkv_ReadFrame(MF, 0, &TrackNumber, &StartTime, &EndTime, &FilePos, &FrameSize, &FrameFlags) == 0) {
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if (*FirstStartTime < 0)
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*FirstStartTime = StartTime;
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if (CS) {
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char CSBuffer[4096];
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int DecompressedFrameSize = 0;
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cs_NextFrame(CS, FilePos, FrameSize);
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for (;;) {
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int ReadBytes = cs_ReadData(CS, CSBuffer, sizeof(CSBuffer));
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if (ReadBytes < 0)
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Env->ThrowError("FFmpegSource: Error decompressing data: %s", cs_GetLastError(CS));
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if (ReadBytes == 0)
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return DecompressedFrameSize;
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if (BufferSize < DecompressedFrameSize + ReadBytes) {
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BufferSize = FrameSize;
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Buffer = (uint8_t *)realloc(Buffer, BufferSize);
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if (Buffer == NULL)
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Env->ThrowError("FFmpegSource: Out of memory");
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}
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memcpy(Buffer + DecompressedFrameSize, CSBuffer, ReadBytes);
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DecompressedFrameSize += ReadBytes;
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}
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} else {
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if (fseek(ST.fp, FilePos, SEEK_SET))
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Env->ThrowError("FFmpegSource: fseek(): %s", strerror(errno));
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if (BufferSize < FrameSize) {
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BufferSize = FrameSize;
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Buffer = (uint8_t *)realloc(Buffer, BufferSize);
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if (Buffer == NULL)
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Env->ThrowError("FFmpegSource: Out of memory");
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}
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size_t ReadBytes = fread(Buffer, 1, FrameSize, ST.fp);
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if (ReadBytes != FrameSize) {
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if (ReadBytes == 0) {
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if (feof(ST.fp))
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Env->ThrowError("FFmpegSource: Unexpected EOF while reading frame");
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else
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Env->ThrowError("FFmpegSource: Error reading frame: %s", strerror(errno));
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} else
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Env->ThrowError("FFmpegSource: Short read while reading frame");
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return 0;
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}
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return FrameSize;
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}
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}
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return 0;
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}
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int FFMKVSource::DecodeNextFrame(AVFrame *Frame, int64_t *FirstStartTime, IScriptEnvironment* Env) {
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int FrameFinished = 0;
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int Ret = -1;
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int FrameSize;
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int64_t TempStartTime = -1;
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while (FrameSize = ReadNextFrame(&TempStartTime, Env)) {
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if (*FirstStartTime < 0)
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*FirstStartTime = TempStartTime;
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Ret = avcodec_decode_video(&CodecContext, Frame, &FrameFinished, Buffer, FrameSize);
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if (FrameFinished)
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break;
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}
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return Ret;
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}
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PVideoFrame __stdcall FFMKVSource::GetFrame(int n, IScriptEnvironment* Env) {
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bool HasSeeked = false;
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if (n < CurrentFrame || FindClosestKeyFrame(n) > CurrentFrame) {
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mkv_Seek(MF, FrameToDTS[n].DTS, MKVF_SEEK_TO_PREV_KEYFRAME);
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avcodec_flush_buffers(&CodecContext);
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HasSeeked = true;
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}
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do {
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int64_t StartTime;
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int Ret = DecodeNextFrame(Frame, &StartTime, Env);
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if (HasSeeked) {
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HasSeeked = false;
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if (StartTime < 0 || (CurrentFrame = FrameFromDTS(StartTime)) < 0)
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Env->ThrowError("FFmpegSource: Frame accurate seeking not possible in this file");
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}
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CurrentFrame++;
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} while (CurrentFrame <= n);
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return OutputFrame(Frame, Env);
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}
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class FFmpegSource : public FFBase {
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private:
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AVFormatContext *FormatContext;
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AVCodecContext *CodecContext;
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AVCodec *Codec;
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AVFrame *Frame;
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int Track;
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int CurrentFrame;
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int SeekMode;
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int DecodeNextFrame(AVFrame *Frame, int64_t *DTS);
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public:
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FFmpegSource(const char *Source, int _Track, int _SeekMode, FILE *Timecodes, bool Cache, FILE *CacheFile, IScriptEnvironment* Env) : Track(_Track), SeekMode(_SeekMode) {
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CurrentFrame = 0;
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Frame = NULL;
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if (av_open_input_file(&FormatContext, Source, NULL, 0, NULL) != 0)
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Env->ThrowError("FFmpegSource: Couldn't open \"%s\"", Source);
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if (av_find_stream_info(FormatContext) < 0)
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Env->ThrowError("FFmpegSource: Couldn't find stream information");
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if (Track >= (int)FormatContext->nb_streams)
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Env->ThrowError("FFmpegSource: Invalid track number");
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if (Track < 0)
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for(unsigned int i = 0; i < FormatContext->nb_streams; i++)
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if(FormatContext->streams[i]->codec->codec_type == CODEC_TYPE_VIDEO) {
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Track = i;
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break;
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}
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if(Track < -1)
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Env->ThrowError("FFmpegSource: Couldn't find a video stream");
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if (FormatContext->streams[Track]->codec->codec_type != CODEC_TYPE_VIDEO)
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Env->ThrowError("FFmpegSource: Selected stream doesn't contain video");
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CodecContext = FormatContext->streams[Track]->codec;
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Codec = avcodec_find_decoder(CodecContext->codec_id);
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if(Codec == NULL)
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Env->ThrowError("FFmpegSource: Codec not found");
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if(avcodec_open(CodecContext, Codec) < 0)
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Env->ThrowError("FFmpegSource: Could not open codec");
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VI.image_type = VideoInfo::IT_TFF;
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VI.width = CodecContext->width;
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VI.height = CodecContext->height;
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VI.fps_denominator = FormatContext->streams[Track]->time_base.num;
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VI.fps_numerator = FormatContext->streams[Track]->time_base.den;
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VI.num_frames = (int)FormatContext->streams[Track]->duration;
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// sanity check framerate
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if (VI.fps_denominator > VI.fps_numerator || VI.fps_denominator <= 0 || VI.fps_numerator <= 0) {
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VI.fps_denominator = 1;
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VI.fps_numerator = 30;
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}
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SetOutputFormat(CodecContext->pix_fmt, Env);
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// Needs to be indexed?
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if (!(Cache && LoadFrameInfoFromFile(CacheFile))) {
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AVPacket Packet;
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VI.num_frames = 0;
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while (av_read_frame(FormatContext, &Packet) >= 0) {
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if (Packet.stream_index == Track) {
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FrameToDTS.push_back(FrameInfo(Packet.dts, (Packet.flags & PKT_FLAG_KEY) != 0));
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VI.num_frames++;
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}
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av_free_packet(&Packet);
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|
}
|
|
|
|
av_seek_frame(FormatContext, Track, 0, AVSEEK_FLAG_BACKWARD);
|
|
|
|
if (Cache) {
|
|
fprintf(CacheFile, "%d\n", VI.num_frames);
|
|
for (int i = 0; i < VI.num_frames; i++)
|
|
fprintf(CacheFile, "%lld %d\n", FrameToDTS[i].DTS, (int)(FrameToDTS[i].KeyFrame ? 1 : 0));
|
|
}
|
|
}
|
|
|
|
if (Timecodes)
|
|
for (int i = 0; i < VI.num_frames; i++)
|
|
fprintf(Timecodes, "%f\n", (FrameToDTS[i].DTS * FormatContext->streams[Track]->time_base.num * 1000) / (double)(FormatContext->streams[Track]->time_base.den));
|
|
|
|
Frame = avcodec_alloc_frame();
|
|
}
|
|
|
|
~FFmpegSource() {
|
|
av_free(Frame);
|
|
avcodec_close(CodecContext);
|
|
av_close_input_file(FormatContext);
|
|
}
|
|
|
|
PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment* Env);
|
|
};
|
|
|
|
int FFmpegSource::DecodeNextFrame(AVFrame *Frame, int64_t *DTS) {
|
|
AVPacket Packet;
|
|
int FrameFinished = 0;
|
|
int Ret = -1;
|
|
*DTS = -1;
|
|
|
|
while (av_read_frame(FormatContext, &Packet) >= 0) {
|
|
if (Packet.stream_index == Track) {
|
|
Ret = avcodec_decode_video(CodecContext, Frame, &FrameFinished, Packet.data, Packet.size);
|
|
|
|
if (*DTS < 0)
|
|
*DTS = Packet.dts;
|
|
}
|
|
|
|
av_free_packet(&Packet);
|
|
|
|
if (FrameFinished)
|
|
break;
|
|
}
|
|
|
|
return Ret;
|
|
}
|
|
|
|
PVideoFrame __stdcall FFmpegSource::GetFrame(int n, IScriptEnvironment* Env) {
|
|
bool HasSeeked = false;
|
|
|
|
if (SeekMode == 0) {
|
|
if (n < CurrentFrame) {
|
|
av_seek_frame(FormatContext, Track, 0, AVSEEK_FLAG_BACKWARD);
|
|
avcodec_flush_buffers(CodecContext);
|
|
CurrentFrame = 0;
|
|
}
|
|
} else {
|
|
if (n < CurrentFrame || FindClosestKeyFrame(n) > CurrentFrame || (SeekMode == 3 && n > CurrentFrame + 10)) {
|
|
av_seek_frame(FormatContext, Track, (SeekMode == 3) ? FrameToDTS[n].DTS : FrameToDTS[FindClosestKeyFrame(n)].DTS, AVSEEK_FLAG_BACKWARD);
|
|
avcodec_flush_buffers(CodecContext);
|
|
HasSeeked = true;
|
|
}
|
|
}
|
|
|
|
do {
|
|
int64_t DTS;
|
|
int Ret = DecodeNextFrame(Frame, &DTS);
|
|
|
|
if (HasSeeked) {
|
|
HasSeeked = false;
|
|
|
|
// Is the seek destination time known? Does it belong to a frame?
|
|
if (DTS < 0 || (CurrentFrame = FrameFromDTS(DTS)) < 0) {
|
|
switch (SeekMode) {
|
|
case 1:
|
|
Env->ThrowError("FFmpegSource: Frame accurate seeking not possible in this file");
|
|
case 2:
|
|
case 3:
|
|
CurrentFrame = ClosestFrameFromDTS(DTS);
|
|
break;
|
|
default:
|
|
Env->ThrowError("FFmpegSource: Failed assertion");
|
|
}
|
|
}
|
|
}
|
|
|
|
CurrentFrame++;
|
|
} while (CurrentFrame <= n);
|
|
|
|
return OutputFrame(Frame, Env);
|
|
}
|
|
|
|
AVSValue __cdecl CreateFFmpegSource(AVSValue Args, void* UserData, IScriptEnvironment* Env) {
|
|
if (!Args[0].Defined())
|
|
Env->ThrowError("FFmpegSource: No source specified");
|
|
|
|
// Generate default cache filename
|
|
char DefaultCacheFilename[MAX_PATH];
|
|
strcpy(DefaultCacheFilename, Args[0].AsString());
|
|
strcat(DefaultCacheFilename, ".ffcache");
|
|
|
|
const char *Source = Args[0].AsString();
|
|
int Track = Args[1].AsInt(-1);
|
|
int SeekMode = Args[2].AsInt(1);
|
|
const char *Timecodes = Args[3].AsString("");
|
|
bool Cache = Args[4].AsBool(true);
|
|
const char *CacheFilename = Args[5].AsString(DefaultCacheFilename);
|
|
|
|
if (SeekMode < 0 || SeekMode > 3)
|
|
Env->ThrowError("FFmpegSource: Invalid seek mode selected");
|
|
|
|
FILE *TCFile = NULL;
|
|
if (strcmp(Timecodes, "")) {
|
|
TCFile = fopen(Timecodes, "w");
|
|
if (!TCFile)
|
|
Env->ThrowError("FFmpegSource: Failed to open timecode output file for writing");
|
|
fprintf(TCFile, "# timecode format v2\n");
|
|
}
|
|
|
|
FILE *CacheFile = NULL;
|
|
if (Cache) {
|
|
CacheFile = fopen(CacheFilename, "a+");
|
|
if (!CacheFile)
|
|
Env->ThrowError("FFmpegSource: Failed to open cache file");
|
|
fseek(CacheFile, 0, SEEK_END);
|
|
}
|
|
|
|
av_register_all();
|
|
AVFormatContext *FormatContext;
|
|
|
|
if (av_open_input_file(&FormatContext, Source, NULL, 0, NULL) != 0)
|
|
Env->ThrowError("FFmpegSource: Couldn't open \"%s\"", Args[0].AsString());
|
|
bool IsMatroska = !strcmp(FormatContext->iformat->name, "matroska");
|
|
av_close_input_file(FormatContext);
|
|
|
|
FFBase *Ret;
|
|
|
|
if (IsMatroska)
|
|
Ret = new FFMKVSource(Source, Track, TCFile, Cache, CacheFile, Env);
|
|
else
|
|
Ret = new FFmpegSource(Source, Track, SeekMode, TCFile, Cache, CacheFile, Env);
|
|
|
|
if (TCFile)
|
|
fclose(TCFile);
|
|
|
|
if (CacheFile)
|
|
fclose(CacheFile);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
extern "C" __declspec(dllexport) const char* __stdcall AvisynthPluginInit2(IScriptEnvironment* Env) {
|
|
Env->AddFunction("FFmpegSource", "[source]s[track]i[seekmode]i[timecodes]s[cache]b[cachefile]s", CreateFFmpegSource, 0);
|
|
return "FFmpegSource";
|
|
};
|
|
|