Re: [FFmpeg-devel] [PATCH v2] lavc/cbs_av1: restore CodedBitstreamAV1Context when AVERROR(ENOSPC)

[James Almer <jamrial@gmail.com>]

On 9/27/2022 10:39 PM, Xiang, Haihao wrote:
> From: Haihao Xiang <haihao.xiang@intel.com>
> 
> The current pbc might be small for an obu frame, so a new pbc is
> required then parse this obu frame again. Because
> CodedBitstreamAV1Context has already been updated for this obu frame, we
> need to restore CodedBitstreamAV1Context, otherwise
> CodedBitstreamAV1Context doesn't match this obu frame when parsing obu
> frame again, e.g. CodedBitstreamAV1Context.order_hint.
> 
> $ ffmpeg -i input.ivf -c:v copy -f null -
> [...]
> [av1_frame_merge @ 0x558bc3d6f880] ref_order_hint[i] does not match
> inferred value: 20, but should be 22.
> [av1_frame_merge @ 0x558bc3d6f880] Failed to write unit 1 (type 6).
> [av1_frame_merge @ 0x558bc3d6f880] Failed to write packet.
> [obu @ 0x558bc3d6e040] av1_frame_merge filter failed to send output
> packet
> ---
>   libavcodec/cbs_av1.c | 64 ++++++++++++++++++++++++++++++++------------
>   1 file changed, 47 insertions(+), 17 deletions(-)

Should be ok.
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