[FFmpeg-devel] Recent regression in VA-API compatibility (assertion in H.264 encode)

[Devin Heitmueller]

>> Try this?  (Not tested, hardware which can run a version that old isn't immediately to hand.)
>> 
>> --- a/libavcodec/vaapi_encode_h264.c
>> +++ b/libavcodec/vaapi_encode_h264.c
>> @@ -261,7 +261,8 @@ static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
>>        return 0;
>> 
>> #if !CONFIG_VAAPI_1
>> -    } else if (priv->sei_cbr_workaround_needed) {
>> +    } else if (priv->sei_cbr_workaround_needed &&
>> +               ctx->va_packed_headers & VA_ENC_PACKED_HEADER_SLICE) {
>>        // Insert a zero-length header using the old SEI type.  This is
>>        // required to avoid triggering broken behaviour on Intel platforms
>>        // in CBR mode where an invalid SEI message is generated by the
>> 
> 
> Ok, will give this a try tonight and report back on my findings.

FYI:  this doesn’t appear to have had any effect - I still get the same assert message.

Devin