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Don't render the alignment padding area

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This commit is contained in:
Cameron Gutman 2022-02-05 15:21:42 -06:00
parent 04a0aca221
commit 4dc07bf63f
2 changed files with 15 additions and 6 deletions
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20
app/streaming/video/ffmpeg-renderers/d3d11va.cpp
View File

@ -355,6 +355,9 @@ bool D3D11VARenderer::initialize(PDECODER_PARAMETERS params)
return false;
}
// Surfaces must be 128 pixel aligned for HEVC and 16 pixel aligned for H.264
m_TextureAlignment = (params->videoFormat & VIDEO_FORMAT_MASK_H265) ? 128 : 16;
if (!setupRenderingResources()) {
return false;
}
@ -403,9 +406,8 @@ bool D3D11VARenderer::initialize(PDECODER_PARAMETERS params)
framesContext->sw_format = params->videoFormat == VIDEO_FORMAT_H265_MAIN10 ?
AV_PIX_FMT_P010 : AV_PIX_FMT_NV12;
// Surfaces must be 128 pixel aligned for HEVC and 16 pixel aligned for H.264
framesContext->width = FFALIGN(params->width, (params->videoFormat & VIDEO_FORMAT_MASK_H265) ? 128 : 16);
framesContext->height = FFALIGN(params->height, (params->videoFormat & VIDEO_FORMAT_MASK_H265) ? 128 : 16);
framesContext->width = FFALIGN(params->width, m_TextureAlignment);
framesContext->height = FFALIGN(params->height, m_TextureAlignment);
// We can have up to 16 reference frames plus a working surface
framesContext->initial_pool_size = DECODER_BUFFER_POOL_SIZE;
@ -1235,12 +1237,18 @@ bool D3D11VARenderer::setupRenderingResources()
// Create our fixed vertex buffer for video rendering
{
SDL_assert(m_TextureAlignment != 0);
// Don't sample from the alignment padding area since that's not part of the video
float uMax = (float)m_DecoderParams.width / FFALIGN(m_DecoderParams.width, m_TextureAlignment);
float vMax = (float)m_DecoderParams.height / FFALIGN(m_DecoderParams.height, m_TextureAlignment);
VERTEX verts[] =
{
{-1, -1, 0, 1},
{-1, -1, 0, vMax},
{-1, 1, 0, 0},
{ 1, -1, 1, 1},
{ 1, 1, 1, 0},
{ 1, -1, uMax, vMax},
{ 1, 1, uMax, 0},
};
D3D11_BUFFER_DESC vbDesc = {};

1
app/streaming/video/ffmpeg-renderers/d3d11va.h
View File

@ -42,6 +42,7 @@ private:
SDL_mutex* m_ContextLock;
DECODER_PARAMETERS m_DecoderParams;
int m_TextureAlignment;
int m_DisplayWidth;
int m_DisplayHeight;
bool m_Windowed;