ffmpeg | branch: release/4.2 | Roman Arzumanyan <rarzuman...@nvidia.com> | Mon Apr 20 13:53:36 2020 +0300| [e3883657540d4e99f0f77a3337aa37db4464eda3] | committer: Timo Rothenpieler
avcodec/nvenc: zero avg and max bitrate in CQ mode Signed-off-by: Timo Rothenpieler <t...@rothenpieler.org> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e3883657540d4e99f0f77a3337aa37db4464eda3 --- libavcodec/nvenc.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index 5fa44b1819..8298aec671 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -912,12 +912,17 @@ static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx) if (ctx->zerolatency) ctx->encode_config.rcParams.zeroReorderDelay = 1; - if (ctx->quality) - { + if (ctx->quality) { //convert from float to fixed point 8.8 int tmp_quality = (int)(ctx->quality * 256.0f); ctx->encode_config.rcParams.targetQuality = (uint8_t)(tmp_quality >> 8); ctx->encode_config.rcParams.targetQualityLSB = (uint8_t)(tmp_quality & 0xff); + + av_log(avctx, AV_LOG_VERBOSE, "CQ(%d) mode enabled.\n", tmp_quality); + + //CQ mode shall discard max & avg bitrate; + avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate = 0; + avctx->rc_max_rate = ctx->encode_config.rcParams.maxBitRate = 0; } } _______________________________________________ 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".
