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Fix rate control for AMD cards using VAAPI (#2821)

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Cameron Gutman 2024-07-08 10:05:35 -05:00 • committed by GitHub
commit 38c13c8fe1
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10
src/platform/linux/vaapi.cpp
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@ -129,6 +129,16 @@ namespace va {
return 0;
}
void
init_codec_options(AVCodecContext *ctx, AVDictionary *options) override {
// Don't set the RC buffer size when using H.264 on Intel GPUs. It causes
// major encoding quality degradation.
auto vendor = vaQueryVendorString(va_display);
if (ctx->codec_id != AV_CODEC_ID_H264 || (vendor && !strstr(vendor, "Intel"))) {
ctx->rc_buffer_size = ctx->bit_rate * ctx->framerate.den / ctx->framerate.num;
}
}
int
set_frame(AVFrame *frame, AVBufferRef *hw_frames_ctx_buf) override {
this->hwframe.reset(frame);