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Fix NVDEC artifacts if the renderer is delayed for a bit

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This commit is contained in:
Cameron Gutman 2019-08-01 20:25:58 -07:00
commit 5db5a088ea
1 changed files with 9 additions and 0 deletions
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9
app/streaming/video/ffmpeg.cpp
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@ -213,6 +213,15 @@ bool FFmpegVideoDecoder::completeInitialization(AVCodec* decoder, PDECODER_PARAM
m_VideoDecoderCtx->flags |= AV_CODEC_FLAG_OUTPUT_CORRUPT;
m_VideoDecoderCtx->flags2 |= AV_CODEC_FLAG2_SHOW_ALL;
// Report decoding errors to allow us to request a key frame
//
// With HEVC streams, FFmpeg can drop a frame (hwaccel->start_frame() fails)
// without telling us. Since we have an infinite GOP length, this causes artifacts
// on screen that persist for a long time. It's easy to cause this condition
// by using NVDEC and delaying 100 ms randomly in the render path so the decoder
// runs out of output buffers.
m_VideoDecoderCtx->err_recognition = AV_EF_EXPLODE;
// Enable slice multi-threading for software decoding
if (!isHardwareAccelerated()) {
m_VideoDecoderCtx->thread_type = FF_THREAD_SLICE;