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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - VAAPI HEVC encoding is unstable and produces garbled output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109538#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - VAAPI HEVC encoding is unstable and produces garbled output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109538">bug 109538</a>
from <span class="vcard"><a class="email" href="mailto:gregor@outlook.com" title="gregory shu <gregor@outlook.com>"> <span class="fn">gregory shu</span></a>
</span></b>
<pre>I'm doing it the other way around hevc_vaapi 10 bit to h264_vaapi and have
similar results, garbled green output
ffmpeg -threads 4 \
-init_hw_device vaapi=amd:/dev/dri/renderD128 -hwaccel vaapi
-hwaccel_output_format vaapi -hwaccel_device amd -filter_hw_device amd \
-i nexp.mkv' \
-vf "scale_vaapi=format=nv12" \
-c:v h264_vaapi -profile:v 578 \
-c:a copy -c:s copy \
-f mpegts -y plop.mkv
libva info: VA-API version 1.6.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib64/va/drivers/radeonsi_drv_video.so
libva info: Found init function __vaDriverInit_1_6
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0.pre1)
vainfo: Driver version: Mesa Gallium driver 19.2.0-devel for AMD RAVEN (DRM
3.32.0, 5.2.0-gentoo, LLVM 8.0.0)
vainfo: Supported profile and entrypoints
VAProfileMPEG2Simple : VAEntrypointVLD
VAProfileMPEG2Main : VAEntrypointVLD
VAProfileVC1Simple : VAEntrypointVLD
VAProfileVC1Main : VAEntrypointVLD
VAProfileVC1Advanced : VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointVLD
VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
VAProfileH264Main : VAEntrypointVLD
VAProfileH264Main : VAEntrypointEncSlice
VAProfileH264High : VAEntrypointVLD
VAProfileH264High : VAEntrypointEncSlice
VAProfileHEVCMain : VAEntrypointVLD
VAProfileHEVCMain : VAEntrypointEncSlice
VAProfileHEVCMain10 : VAEntrypointVLD
VAProfileJPEGBaseline : VAEntrypointVLD
VAProfileVP9Profile0 : VAEntrypointVLD
VAProfileVP9Profile2 : VAEntrypointVLD
VAProfileNone</pre>
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