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| author | Timo Rothenpieler <timo@rothenpieler.org> | 2022-12-08 12:31:00 +0100 |
|---|---|---|
| committer | Timo Rothenpieler <timo@rothenpieler.org> | 2022-12-08 12:39:18 +0100 |
| commit | df2e08e4526a0c87d33cdc1fbddcc878857bf8af (patch) | |
| tree | ab248324ae6e1042de4de23ade983331868ff36e | |
| parent | c77210491a2427495b86979bac968f75d2641934 (diff) | |
| download | ffmpeg-df2e08e4526a0c87d33cdc1fbddcc878857bf8af.tar.gz | |
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.
| -rw-r--r-- | libavcodec/nvenc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 850c46022b..9386aadae2 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -1078,8 +1078,9 @@ 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; } } |