Method OutputFrame

src/core/videosource.cpp:69–197

}

FFMS_Frame *FFMS_VideoSource::OutputFrame(AVFrame *Frame) {
    SanityCheckFrameForData(Frame);

    if (LastFrameWidth != Frame->width || LastFrameHeight != Frame->height || LastFramePixelFormat != Frame->format) {
        if (TargetHeight > 0 && TargetWidth > 0 && !TargetPixelFormats.empty()) {
            if (!InputFormatOverridden) {
                InputFormat = AV_PIX_FMT_NONE;
                InputColorSpace = AVCOL_SPC_UNSPECIFIED;
                InputColorRange = AVCOL_RANGE_UNSPECIFIED;
            }

            ReAdjustOutputFormat(Frame);
        } else {
            OutputFormat = (AVPixelFormat) Frame->format;
        }
    }

    if (SWS) {
        sws_scale(SWS, Frame->data, Frame->linesize, 0, Frame->height, SWSFrameData, SWSFrameLinesize);
        for (int i = 0; i < 4; i++) {
            LocalFrame.Data[i] = SWSFrameData[i];
            LocalFrame.Linesize[i] = SWSFrameLinesize[i];
        }
    } else {
        // Special case to avoid ugly casts
        for (int i = 0; i < 4; i++) {
            LocalFrame.Data[i] = Frame->data[i];
            LocalFrame.Linesize[i] = Frame->linesize[i];
        }
    }

    LocalFrame.EncodedWidth = Frame->width;
    LocalFrame.EncodedHeight = Frame->height;
    LocalFrame.EncodedPixelFormat = Frame->format;
    LocalFrame.ScaledWidth = TargetWidth;
    LocalFrame.ScaledHeight = TargetHeight;
    LocalFrame.ConvertedPixelFormat = OutputFormat;
    LocalFrame.KeyFrame = !!(Frame->flags & AV_FRAME_FLAG_KEY);
    LocalFrame.PictType = av_get_picture_type_char(Frame->pict_type);
    LocalFrame.RepeatPict = Frame->repeat_pict;
    LocalFrame.InterlacedFrame = !!(Frame->flags & AV_FRAME_FLAG_INTERLACED);
    LocalFrame.TopFieldFirst = !!(Frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST);
    LocalFrame.ColorSpace = OutputColorSpaceSet ? OutputColorSpace : Frame->colorspace;
    LocalFrame.ColorRange = OutputColorRangeSet ? OutputColorRange : Frame->color_range;
    LocalFrame.ColorPrimaries = (OutputColorPrimaries >= 0) ? OutputColorPrimaries : Frame->color_primaries;
    LocalFrame.TransferCharateristics = (OutputTransferCharateristics >= 0) ? OutputTransferCharateristics : Frame->color_trc;
    LocalFrame.ChromaLocation = (OutputChromaLocation >= 0) ? OutputChromaLocation : Frame->chroma_location;

    const AVFrameSideData *MasteringDisplaySideData = av_frame_get_side_data(Frame, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
    if (MasteringDisplaySideData) {
        const AVMasteringDisplayMetadata *MasteringDisplay = reinterpret_cast<const AVMasteringDisplayMetadata *>(MasteringDisplaySideData->data);
        if (MasteringDisplay->has_primaries) {
            LocalFrame.HasMasteringDisplayPrimaries = MasteringDisplay->has_primaries;
            for (int i = 0; i < 3; i++) {
                LocalFrame.MasteringDisplayPrimariesX[i] = av_q2d(MasteringDisplay->display_primaries[i][0]);
                LocalFrame.MasteringDisplayPrimariesY[i] = av_q2d(MasteringDisplay->display_primaries[i][1]);
            }
            LocalFrame.MasteringDisplayWhitePointX = av_q2d(MasteringDisplay->white_point[0]);