forked from mia/Aegisub
Update the YCbCr matrix used by the video display when the header is changed
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parent
ad33fdb109
commit
6edb38501b
10 changed files with 94 additions and 43 deletions
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@ -49,6 +49,12 @@ public:
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/// Override this method to actually get frames
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virtual std::shared_ptr<VideoFrame> GetFrame(int n)=0;
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/// Set the YCbCr matrix to the specified one
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///
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/// Providers are free to disregard this, and should if the requested
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/// matrix makes no sense or the input isn't YCbCr.
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virtual void SetColorSpace(std::string const& matrix)=0;
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// Override the following methods to get video information:
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virtual int GetFrameCount() const=0; ///< Get total number of frames
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virtual int GetWidth() const=0; ///< Returns the video width in pixels
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@ -168,12 +168,14 @@ void ThreadedFrameSource::ProcAsync(uint_fast32_t req_version) {
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std::shared_ptr<VideoFrame> ThreadedFrameSource::GetFrame(int frame, double time, bool raw) {
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std::shared_ptr<VideoFrame> ret;
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worker->Sync([&]{
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ret = ProcFrame(frame, time, raw);
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});
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worker->Sync([&]{ ret = ProcFrame(frame, time, raw); });
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return ret;
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}
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void ThreadedFrameSource::SetColorSpace(std::string const& matrix) {
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worker->Async([=] { video_provider->SetColorSpace(matrix); });
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}
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wxDEFINE_EVENT(EVT_FRAME_READY, FrameReadyEvent);
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wxDEFINE_EVENT(EVT_VIDEO_ERROR, VideoProviderErrorEvent);
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wxDEFINE_EVENT(EVT_SUBTITLES_ERROR, SubtitlesProviderErrorEvent);
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@ -106,6 +106,9 @@ public:
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/// Get a reference to the video provider this is using
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VideoProvider *GetVideoProvider() const { return video_provider.get(); }
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/// Ask the video provider to change YCbCr matricies
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void SetColorSpace(std::string const& matrix);
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/// @brief Constructor
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/// @param videoFileName File to open
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/// @param parent Event handler to send FrameReady events to
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@ -94,6 +94,7 @@ void VideoContext::Reset() {
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// Clean up video data
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video_filename.clear();
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color_matrix.clear();
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// Remove provider
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provider.reset();
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@ -121,13 +122,13 @@ void VideoContext::SetVideo(const agi::fs::path &filename) {
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provider = agi::make_unique<ThreadedFrameSource>(filename, old_matrix, this, progress);
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video_provider = provider->GetVideoProvider();
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video_filename = filename;
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color_matrix = video_provider->GetColorSpace();
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keyframes = video_provider->GetKeyFrames();
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video_fps = video_provider->GetFPS();
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bool needs_commit = UpdateVideoProperties(context->ass.get(), video_provider, context->parent);
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keyframes = video_provider->GetKeyFrames();
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// Set frame rate
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video_fps = video_provider->GetFPS();
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if (ovr_fps.IsLoaded()) {
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int ovr = wxMessageBox(_("You already have timecodes loaded. Would you like to replace them with timecodes from the video file?"),
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_("Replace timecodes?"), wxYES_NO | wxICON_QUESTION);
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@ -186,6 +187,14 @@ void VideoContext::Reload() {
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void VideoContext::OnSubtitlesCommit(int type, std::set<const AssDialogue *> const& changed) {
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if (!IsLoaded()) return;
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if ((type & AssFile::COMMIT_SCRIPTINFO) || type == AssFile::COMMIT_NEW) {
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auto new_matrix = context->ass->GetScriptInfo("YCbCr Matrix");
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if (!new_matrix.empty() && new_matrix != color_matrix) {
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color_matrix = new_matrix;
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provider->SetColorSpace(new_matrix);
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}
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}
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if (changed.empty() || no_amend)
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provider->LoadSubtitles(context->ass.get());
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else
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@ -98,6 +98,9 @@ class VideoContext final : public wxEvtHandler {
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/// Filename of currently open video
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agi::fs::path video_filename;
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/// Last seen script color matrix
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std::string color_matrix;
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/// List of frame numbers which are keyframes
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std::vector<int> keyframes;
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@ -67,16 +67,23 @@ class AvisynthVideoProvider: public VideoProvider {
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std::string colorspace;
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std::string real_colorspace;
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AVSValue source_clip;
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PClip RGB32Video;
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VideoInfo vi;
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AVSValue Open(agi::fs::path const& filename);
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void Init(std::string const& matrix);
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public:
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AvisynthVideoProvider(agi::fs::path const& filename, std::string const& colormatrix);
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std::shared_ptr<VideoFrame> GetFrame(int n);
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void SetColorSpace(std::string const& matrix) override {
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// Can't really do anything if this fails
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try { Init(matrix); } catch (AvisynthError const&) { }
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}
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int GetFrameCount() const override { return vi.num_frames; }
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agi::vfr::Framerate GetFPS() const override { return fps; }
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int GetWidth() const override { return vi.width; }
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@ -171,12 +178,16 @@ file_exit:
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#endif
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try {
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auto script = Open(filename);
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// Check if video was loaded properly
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if (!script.IsClip() || !script.AsClip()->GetVideoInfo().HasVideo())
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throw VideoNotSupported("No usable video found");
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source_clip = Open(filename);
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Init(colormatrix);
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}
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catch (AvisynthError const& err) {
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throw VideoOpenError("Avisynth error: " + std::string(err.msg));
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}
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}
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void AvisynthVideoProvider::Init(std::string const& colormatrix) {
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auto script = source_clip;
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vi = script.AsClip()->GetVideoInfo();
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if (vi.IsRGB())
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real_colorspace = colorspace = "None";
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@ -201,10 +212,6 @@ file_exit:
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vi = RGB32Video->GetVideoInfo();
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fps = (double)vi.fps_numerator / vi.fps_denominator;
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}
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catch (AvisynthError const& err) {
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throw VideoOpenError("Avisynth error: " + std::string(err.msg));
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}
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}
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AVSValue AvisynthVideoProvider::Open(agi::fs::path const& filename) {
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IScriptEnvironment *env = avs.GetEnv();
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@ -59,6 +59,11 @@ public:
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std::shared_ptr<VideoFrame> GetFrame(int n) override;
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void SetColorSpace(std::string const& m) override {
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cache.clear();
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return master->SetColorSpace(m);
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}
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int GetFrameCount() const override { return master->GetFrameCount(); }
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int GetWidth() const override { return master->GetWidth(); }
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int GetHeight() const override { return master->GetHeight(); }
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@ -65,6 +65,7 @@ public:
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static std::string MakeFilename(double fps, int frames, int width, int height, agi::Color colour, bool pattern);
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std::shared_ptr<VideoFrame> GetFrame(int n) override;
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void SetColorSpace(std::string const&) override { }
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int GetFrameCount() const override { return framecount; }
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int GetWidth() const override { return width; }
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@ -58,6 +58,8 @@ class FFmpegSourceVideoProvider final : public VideoProvider, FFmpegSourceProvid
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int Width = -1; ///< width in pixels
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int Height = -1; ///< height in pixels
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int CS = -1; ///< Reported colorspace of first frame
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int CR = -1; ///< Reported colorrange of first frame
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double DAR; ///< display aspect ratio
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std::vector<int> KeyFramesList; ///< list of keyframes
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agi::vfr::Framerate Timecodes; ///< vfr object
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@ -74,6 +76,19 @@ public:
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std::shared_ptr<VideoFrame> GetFrame(int n) override;
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void SetColorSpace(std::string const& matrix) override {
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#if FFMS_VERSION >= ((2 << 24) | (17 << 16) | (1 << 8) | 0)
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if (matrix == ColorSpace) return;
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if (matrix == RealColorSpace)
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FFMS_SetInputFormatV(VideoSource, CS, CR, FFMS_GetPixFmt(""), nullptr);
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else if (matrix == "TV.601")
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FFMS_SetInputFormatV(VideoSource, FFMS_CS_BT470BG, CR, FFMS_GetPixFmt(""), nullptr);
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else
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return;
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ColorSpace = matrix;
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#endif
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}
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int GetFrameCount() const override { return VideoInfo->NumFrames; }
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int GetWidth() const override { return Width; }
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int GetHeight() const override { return Height; }
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@ -225,25 +240,24 @@ void FFmpegSourceVideoProvider::LoadVideo(agi::fs::path const& filename, std::st
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else
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DAR = double(Width) / Height;
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auto CS = TempFrame->ColorSpace;
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CS = TempFrame->ColorSpace;
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CR = TempFrame->ColorRange;
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if (CS == FFMS_CS_UNSPECIFIED)
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CS = Width > 1024 || Height >= 600 ? FFMS_CS_BT709 : FFMS_CS_BT470BG;
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RealColorSpace = ColorSpace = colormatrix_description(CS, TempFrame->ColorRange);
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RealColorSpace = ColorSpace = colormatrix_description(CS, CR);
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#if FFMS_VERSION >= ((2 << 24) | (17 << 16) | (1 << 8) | 0)
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if (CS != FFMS_CS_RGB && CS != FFMS_CS_BT470BG && ColorSpace != colormatrix && (colormatrix == "TV.601" || OPT_GET("Video/Force BT.601")->GetBool())) {
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if (FFMS_SetInputFormatV(VideoSource, FFMS_CS_BT470BG, TempFrame->ColorRange, FFMS_GetPixFmt(""), &ErrInfo))
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if (FFMS_SetInputFormatV(VideoSource, FFMS_CS_BT470BG, CR, FFMS_GetPixFmt(""), &ErrInfo))
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throw VideoOpenError(std::string("Failed to set input format: ") + ErrInfo.Buffer);
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CS = FFMS_CS_BT470BG;
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ColorSpace = colormatrix_description(CS, TempFrame->ColorRange);
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ColorSpace = colormatrix_description(FFMS_CS_BT470BG, CR);
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}
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#endif
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const int TargetFormat[] = { FFMS_GetPixFmt("bgra"), -1 };
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if (FFMS_SetOutputFormatV2(VideoSource, TargetFormat, Width, Height, FFMS_RESIZER_BICUBIC, &ErrInfo)) {
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if (FFMS_SetOutputFormatV2(VideoSource, TargetFormat, Width, Height, FFMS_RESIZER_BICUBIC, &ErrInfo))
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throw VideoOpenError(std::string("Failed to set output format: ") + ErrInfo.Buffer);
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}
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// get frame info data
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FFMS_Track *FrameData = FFMS_GetTrackFromVideo(VideoSource);
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@ -147,6 +147,7 @@ public:
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YUV4MPEGVideoProvider(agi::fs::path const& filename);
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std::shared_ptr<VideoFrame> GetFrame(int n) override;
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void SetColorSpace(std::string const&) override { }
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int GetFrameCount() const override { return num_frames; }
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int GetWidth() const override { return w; }
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