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Add colorspace support to VAAPI renderer

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This commit is contained in:
Cameron Gutman 2019-12-14 16:58:04 -08:00
parent 8b9b96f422
commit 801adb6af7
2 changed files with 30 additions and 1 deletions
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30
app/streaming/video/ffmpeg-renderers/vaapi.cpp
View file

@ -219,6 +219,13 @@ VAAPIRenderer::isDirectRenderingSupported()
return m_WindowSystem == SDL_SYSWM_X11;
}
int VAAPIRenderer::getDecoderColorspace()
{
// Gallium drivers don't support Rec 709 yet - https://gitlab.freedesktop.org/mesa/mesa/issues/1915
// Intel-vaapi-driver defaults to Rec 601 - https://github.com/intel/intel-vaapi-driver/blob/021bcb79d1bd873bbd9fbca55f40320344bab866/src/i965_output_dri.c#L186
return COLORSPACE_REC_601;
}
void
VAAPIRenderer::renderFrame(AVFrame* frame)
{
@ -238,6 +245,27 @@ VAAPIRenderer::renderFrame(AVFrame* frame)
if (m_WindowSystem == SDL_SYSWM_X11) {
#ifdef HAVE_LIBVA_X11
unsigned int flags = 0;
// NB: Not all VAAPI drivers respect these flags. Many drivers
// just ignore them and do the color conversion as Rec 601.
switch (frame->colorspace) {
case AVCOL_SPC_BT709:
flags |= VA_SRC_BT709;
break;
case AVCOL_SPC_BT470BG:
case AVCOL_SPC_SMPTE170M:
flags |= VA_SRC_BT601;
break;
case AVCOL_SPC_SMPTE240M:
flags |= VA_SRC_SMPTE_240;
break;
default:
// Unknown colorspace
SDL_assert(false);
break;
}
vaPutSurface(vaDeviceContext->display,
surface,
m_XWindow,
@ -245,7 +273,7 @@ VAAPIRenderer::renderFrame(AVFrame* frame)
m_VideoWidth, m_VideoHeight,
dst.x, dst.y,
dst.w, dst.h,
NULL, 0, 0);
NULL, 0, flags);
#endif
}
else if (m_WindowSystem == SDL_SYSWM_WAYLAND) {

1
app/streaming/video/ffmpeg-renderers/vaapi.h
View file

@ -38,6 +38,7 @@ public:
virtual void renderFrame(AVFrame* frame) override;
virtual bool needsTestFrame() override;
virtual bool isDirectRenderingSupported() override;
virtual int getDecoderColorspace() override;
private:
int m_WindowSystem;