ffmpegdecoder: use real colorspace coefficients in shader

2022-08-07 23:40:21 -07:00
parent b39e5028dd
commit ad1b8a5a35
4 changed files with 72 additions and 15 deletions
@@ -111,6 +111,28 @@ AVSampleFormat FFmpegUtils::GetFFmpegSampleFormat(const AudioParams::Format &smp
  return AV_SAMPLE_FMT_NONE;
 }

+int FFmpegUtils::GetSwsColorspaceFromAVColorSpace(AVColorSpace cs)
+{
+  switch (cs) {
+  case AVCOL_SPC_BT709:
+    return SWS_CS_ITU709;
+  case AVCOL_SPC_FCC:
+    return SWS_CS_FCC;
+  case AVCOL_SPC_BT470BG:
+    return SWS_CS_ITU624;
+  case AVCOL_SPC_SMPTE170M:
+    return SWS_CS_SMPTE170M;
+  case AVCOL_SPC_SMPTE240M:
+    return SWS_CS_SMPTE240M;
+  case AVCOL_SPC_BT2020_NCL:
+    return SWS_CS_BT2020;
+  default:
+    break;
+  }
+
+  return SWS_CS_DEFAULT;
+}
+
 AVPixelFormat FFmpegUtils::GetFFmpegPixelFormat(const VideoParams::Format &pix_fmt, int channel_layout)
 {
  if (channel_layout == VideoParams::kRGBChannelCount) {