Aspect ratio change should be preserved in the output result of transcoding. A better choice is to reconfigure when parameter changing is detected, but a fix to reconfigure on IDR frame is simple and effective with no performance drop.
Fix #6276 for VAAPI. Signed-off-by: Linjie Fu <linjie...@intel.com> --- libavcodec/vaapi_encode.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/vaapi_encode.c b/libavcodec/vaapi_encode.c index 3be9159d37..c202113cb9 100644 --- a/libavcodec/vaapi_encode.c +++ b/libavcodec/vaapi_encode.c @@ -226,6 +226,12 @@ static int vaapi_encode_issue(AVCodecContext *avctx, pic->nb_param_buffers = 0; if (pic->type == PICTURE_TYPE_IDR && ctx->codec->init_sequence_params) { + err = ctx->codec->init_sequence_params(avctx); + if (err < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to reinit per-sequence " + "parameters: %d.\n", err); + goto fail; + } err = vaapi_encode_make_param_buffer(avctx, pic, VAEncSequenceParameterBufferType, ctx->codec_sequence_params, -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".