ffmpeg | branch: release/4.4 | Timo Rothenpieler <t...@rothenpieler.org> | Thu Dec 8 12:31:00 2022 +0100| [b48951bd29fbec166428efb5a0e27f51ff98fd84] | committer: Timo Rothenpieler
avcodec/nvenc: fix vbv buffer size in cq mode The CQ calculation gets thrown off and behaves very nonsensical if it isn't set to 0. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b48951bd29fbec166428efb5a0e27f51ff98fd84 --- libavcodec/nvenc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 906915b5ca..0ce61041ef 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -1025,8 +1025,9 @@ static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx) av_log(avctx, AV_LOG_VERBOSE, "CQ(%d) mode enabled.\n", tmp_quality); - //CQ mode shall discard avg bitrate & honor max bitrate; + // CQ mode shall discard avg bitrate/vbv buffer size and honor only max bitrate ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate = 0; + ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size = 0; ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".