mirror of https://github.com/odrling/Aegisub
Originally committed to SVN as r175.
This commit is contained in:
Rodrigo Braz Monteiro
parent
202c0a2222
commit
817f13bbc7
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@ -41,6 +41,11 @@
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#include "dialog_progress.h"
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////////////
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// Instance
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MatroskaWrapper MatroskaWrapper::wrapper;
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///////////
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// Defines
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#define CACHESIZE 65536
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@ -120,6 +125,7 @@ bool operator < (MkvFrame &t1, MkvFrame &t2) {
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void MatroskaWrapper::Parse() {
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// Clear keyframes and timecodes
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keyFrames.Clear();
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bytePos.Clear();
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timecodes.clear();
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std::list<MkvFrame> frames;
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@ -157,7 +163,7 @@ void MatroskaWrapper::Parse() {
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while (mkv_ReadFrame(file,0,&rt,&startTime,&endTime,&filePos,&frameSize,&frameFlags) == 0) {
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// Read value
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double curTime = double(startTime) / 1000000.0;
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frames.push_back(MkvFrame((frameFlags & FRAME_KF) != 0,curTime));
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frames.push_back(MkvFrame((frameFlags & FRAME_KF) != 0,curTime,filePos));
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frameN++;
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// Cancelled?
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@ -179,11 +185,12 @@ void MatroskaWrapper::Parse() {
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// Process timecodes and keyframes
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frames.sort();
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MkvFrame curFrame(false,0);
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MkvFrame curFrame(false,0,0);
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int i = 0;
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for (std::list<MkvFrame>::iterator cur=frames.begin();cur!=frames.end();cur++) {
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curFrame = *cur;
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if (curFrame.isKey) keyFrames.Add(i);
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bytePos.Add(curFrame.filePos);
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timecodes.push_back(curFrame.time);
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i++;
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}
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@ -62,10 +62,12 @@ class MkvFrame {
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public:
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double time;
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bool isKey;
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__int64 filePos;
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MkvFrame(bool keyframe,double timecode) {
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MkvFrame(bool keyframe,double timecode,__int64 _filePos) {
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isKey = keyframe;
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time = timecode;
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filePos = _filePos;
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}
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};
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@ -80,6 +82,7 @@ private:
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MkvStdIO *input;
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wxArrayInt keyFrames;
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std::vector<double> timecodes;
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wxArrayInt bytePos;
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void Parse();
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@ -87,8 +90,14 @@ public:
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MatroskaWrapper();
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~MatroskaWrapper();
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bool IsOpen() { return file != NULL; }
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void Open(wxString filename);
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void Close();
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void SetToTimecodes(FrameRate &target);
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wxArrayInt GetBytePositions() { return bytePos; }
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unsigned int GetFrameCount() { return timecodes.size(); }
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wxArrayInt GetKeyFrames();
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static MatroskaWrapper wrapper;
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};
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@ -140,53 +140,47 @@ void VideoDisplay::UpdateSize() {
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// Sets video filename
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void VideoDisplay::SetVideo(const wxString &filename) {
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// Unload video
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if (filename.IsEmpty()) {
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delete provider;
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provider = NULL;
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if (VFR_Output.GetFrameRateType() == VFR) VFR_Output.Unload();
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VFR_Input.Unload();
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videoName = _T("");
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frame_n = 0;
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Reset();
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}
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delete provider;
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provider = NULL;
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if (VFR_Output.GetFrameRateType() == VFR) VFR_Output.Unload();
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VFR_Input.Unload();
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videoName = _T("");
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loaded = false;
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frame_n = 0;
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Reset();
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// Load video
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else {
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SetVideo(_T(""));
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if (!filename.IsEmpty()) {
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try {
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grid->CommitChanges(true);
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// Choose a provider
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bool usedDirectshow = false;
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provider = VideoProvider::GetProvider(filename,GetTempWorkFile());
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provider->SetZoom(zoomValue);
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provider->SetDAR(GetARFromType(arType));
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// Set keyframes
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// Read extra data from file
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bool mkvOpen = MatroskaWrapper::wrapper.IsOpen();
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wxString ext = filename.Right(4).Lower();
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if (ext == _T(".avi")) KeyFrames = VFWWrapper::GetKeyFrames(filename);
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else if (ext == _T(".mkv")) {
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KeyFrames.Clear();
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if (ext == _T(".mkv") || mkvOpen) {
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// Parse mkv
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MatroskaWrapper mkvwrap;
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mkvwrap.Open(filename);
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if (!mkvOpen) MatroskaWrapper::wrapper.Open(filename);
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// Get keyframes
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KeyFrames = mkvwrap.GetKeyFrames();
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KeyFrames = MatroskaWrapper::wrapper.GetKeyFrames();
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// Ask to override timecodes
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int override = wxYES;
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if (VFR_Output.GetFrameRateType() == VFR) override = wxMessageBox(_T("You already have timecodes loaded. Replace them with the timecodes from the Matroska file?"),_T("Replace timecodes?"),wxYES_NO | wxICON_QUESTION);
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if (override == wxYES) mkvwrap.SetToTimecodes(VFR_Output);
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if (override == wxYES) MatroskaWrapper::wrapper.SetToTimecodes(VFR_Output);
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// Close mkv
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mkvwrap.Close();
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MatroskaWrapper::wrapper.Close();
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}
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else KeyFrames.Clear();
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else if (ext == _T(".avi")) KeyFrames = VFWWrapper::GetKeyFrames(filename);
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// Update size
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UpdateSize();
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//Gather video parameters
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@ -214,7 +208,6 @@ void VideoDisplay::SetVideo(const wxString &filename) {
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}
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loaded = provider != NULL;
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}
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//////////
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@ -64,31 +64,43 @@ VideoProvider *VideoProvider::GetProvider(wxString video,wxString subtitles) {
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// See if it's OK to use LAVC
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#ifdef USE_LAVC
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if (preffered == _T("ffmpeg")) {
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// Load
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bool success = false;
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wxString error;
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try {
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provider = new LAVCVideoProvider(video,subtitles);
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success = true;
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}
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// Catch error
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catch (wchar_t *err) {
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error = err;
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}
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catch (...) {
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error = _T("Unhandled exception.");
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}
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if (!success) {
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// Delete old provider
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delete provider;
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// Try to fallback to avisynth
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if (avisynthAvailable) {
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wxMessageBox(_T("Failed loading FFmpeg decoder for video, falling back to Avisynth."),_T("FFmpeg error."));
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wxMessageBox(_T("Failed loading FFmpeg decoder for video, falling back to Avisynth.\nError message: ") + error,_T("FFmpeg error."));
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provider = NULL;
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}
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// Out of options, rethrow
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else throw;
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else throw error.c_str();
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}
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}
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#endif
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// Use avisynth provider
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#ifdef __WINDOWS__
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bool usedDirectshow = false;
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if (!provider) {
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try {
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provider = new AvisynthVideoProvider(video,subtitles,usedDirectshow);
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provider = new AvisynthVideoProvider(video,subtitles);
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}
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catch (...) {
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delete provider;
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@ -43,7 +43,7 @@
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#ifdef __WINDOWS__
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AvisynthVideoProvider::AvisynthVideoProvider(wxString _filename, wxString _subfilename, bool &usedDirectshow) {
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AvisynthVideoProvider::AvisynthVideoProvider(wxString _filename, wxString _subfilename) {
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bool mpeg2dec3_priority = true;
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RGB32Video = NULL;
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SubtitledVideo = NULL;
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@ -57,7 +57,7 @@ AvisynthVideoProvider::AvisynthVideoProvider(wxString _filename, wxString _subfi
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LoadVSFilter();
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RGB32Video = OpenVideo(_filename,usedDirectshow,mpeg2dec3_priority);
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RGB32Video = OpenVideo(_filename,mpeg2dec3_priority);
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dar = GetSourceWidth()/(double)GetSourceHeight();
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@ -110,11 +110,11 @@ void AvisynthVideoProvider::SetZoom(double _zoom) {
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GetFrame(last_fnum,true);
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}
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PClip AvisynthVideoProvider::OpenVideo(wxString _filename, bool &usedDirectshow, bool mpeg2dec3_priority) {
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PClip AvisynthVideoProvider::OpenVideo(wxString _filename, bool mpeg2dec3_priority) {
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wxMutexLocker lock(AviSynthMutex);
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AVSValue script;
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usedDirectshow = false;
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bool usedDirectshow = false;
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wxString extension = _filename.Right(4);
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extension.LowerCase();
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@ -161,6 +161,9 @@ PClip AvisynthVideoProvider::OpenVideo(wxString _filename, bool &usedDirectshow,
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// Convert to RGB32
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script = env->Invoke("ConvertToRGB32", script);
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// Directshow
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if (usedDirectshow) wxMessageBox(_T("Warning! The file is being opened using Avisynth's DirectShowSource, which has unreliable seeking. Frame numbers might not match the real number. PROCEED AT YOUR OWN RISK!"),_T("DirectShowSource warning"),wxICON_EXCLAMATION);
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// Cache
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return (env->Invoke("Cache", script)).AsClip();
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}
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@ -76,14 +76,14 @@ private:
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PClip SubtitledVideo;
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PClip ResizedVideo;
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PClip OpenVideo(wxString _filename, bool &usedDirectshow, bool mpeg2dec3_priority = true);
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PClip OpenVideo(wxString _filename, bool mpeg2dec3_priority = true);
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PClip ApplySubtitles(wxString _filename, PClip videosource);
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PClip ApplyDARZoom(double _zoom, double _dar, PClip videosource);
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wxBitmap GetFrame(int n, bool force);
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void LoadVSFilter();
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public:
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AvisynthVideoProvider(wxString _filename, wxString _subfilename, bool &usedDirectshow);
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AvisynthVideoProvider(wxString _filename, wxString _subfilename);
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~AvisynthVideoProvider();
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void RefreshSubtitles();
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@ -41,6 +41,7 @@
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#include "video_provider_lavc.h"
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#include "utils.h"
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#include "vfr.h"
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#include "mkv_wrap.h"
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///////////////
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@ -121,7 +122,18 @@ void LAVCVideoProvider::LoadVideo(wxString filename) {
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if (result < 0) throw _T("Failed to open video decoder");
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// Check length
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if (stream->duration <= 0) throw _T("Returned invalid stream length");
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isVFR = false;
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length = stream->duration;
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if (length <= 0) {
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if (strcmp(formatContext->iformat->name,"matroska") == 0) {
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throw _T("FFmpeg fails at seeking Matroska. If you have any idea on how to fix it, Aegisub is open source.");
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MatroskaWrapper::wrapper.Open(filename);
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length = MatroskaWrapper::wrapper.GetFrameCount();
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bytePos = MatroskaWrapper::wrapper.GetBytePositions();
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isVFR = true;
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}
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if (length <= 0) throw _T("Returned invalid stream length");
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}
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// Set size
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dar = double(GetSourceWidth()) / GetSourceHeight();
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@ -283,26 +295,47 @@ wxBitmap LAVCVideoProvider::GetFrame(int n) {
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// Following frame, just get it
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if (n == frameNumber+1) {
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GetNextFrame();
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//wxLogMessage(wxString::Format(_T("%i"),lastDecodeTime));
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}
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// Needs to seek
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else {
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// Get seek position
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//__int64 half = __int64(AV_TIME_BASE) * stream->r_frame_rate.den / stream->r_frame_rate.num / 2;
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//__int64 seekTo = __int64(n) * AV_TIME_BASE * stream->r_frame_rate.den / stream->r_frame_rate.num + stream->start_time;
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//if (seekTo > half) seekTo -= half;
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//else seekTo = 0;
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//__int64 finalPos = av_rescale(seekTo,stream->time_base.den,AV_TIME_BASE * __int64(stream->time_base.num));
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// Prepare seek
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__int64 seekTo;
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int result;
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// Get time to seek to
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if (isVFR) {
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//__int64 base = AV_TIME_BASE;
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//__int64 time = VFR_Output.GetTimeAtFrame(n,true) * base / 1000000;
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//seekTo = av_rescale(time,stream->time_base.den,AV_TIME_BASE * __int64(stream->time_base.num));
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//seekTo = __int64(n) * 1000 * stream->r_frame_rate.den / stream->r_frame_rate.num;
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seekTo = bytePos[n];
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result = av_seek_frame(formatContext,vidStream,seekTo,AVSEEK_FLAG_BACKWARD | AVSEEK_FLAG_BYTE);
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}
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// Constant frame rate
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else {
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seekTo = n;
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result = av_seek_frame(formatContext,vidStream,seekTo,AVSEEK_FLAG_BACKWARD);
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}
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// Seek to keyframe
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int result = av_seek_frame(formatContext,vidStream,n,AVSEEK_FLAG_BACKWARD);
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avcodec_flush_buffers(codecContext);
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if (result == 0) {
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avcodec_flush_buffers(codecContext);
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// Seek until final frame
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bool ok = true;
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do {
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ok = GetNextFrame();
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} while (lastDecodeTime <= n && ok);
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// Seek until final frame
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bool ok = true;
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do {
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ok = GetNextFrame();
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} while (lastDecodeTime <= n && ok);
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}
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// Failed seeking
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else {
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GetNextFrame();
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}
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}
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// Bitmap
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@ -336,7 +369,7 @@ int LAVCVideoProvider::GetPosition() {
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////////////////////////
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// Get number of frames
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int LAVCVideoProvider::GetFrameCount() {
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return stream->duration;
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return length;
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}
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@ -70,8 +70,12 @@ private:
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int display_w;
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int display_h;
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wxArrayInt bytePos;
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bool isVFR;
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__int64 lastDecodeTime;
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int frameNumber;
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int length;
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wxBitmap curFrame;
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bool validFrame;
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