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Avoid slicing for hardware decoders that use SDL as the renderer

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This commit is contained in:
Cameron Gutman
2020-01-26 14:13:42 -08:00
parent b282c7d815
commit 956e6e3638
3 changed files with 12 additions and 12 deletions
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13
app/streaming/video/ffmpeg.cpp
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@@ -47,7 +47,18 @@ bool FFmpegVideoDecoder::isHardwareAccelerated()
int FFmpegVideoDecoder::getDecoderCapabilities()
{
return m_BackendRenderer->getDecoderCapabilities();
int capabilities = m_BackendRenderer->getDecoderCapabilities();
if (!isHardwareAccelerated()) {
// Slice up to 4 times for parallel CPU decoding, once slice per core
int slices = qMin(MAX_SLICES, SDL_GetCPUCount());
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Encoder configured for %d slices per frame",
slices);
capabilities |= CAPABILITY_SLICES_PER_FRAME(slices);
}
return capabilities;
}
int FFmpegVideoDecoder::getDecoderColorspace()