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avcodec/nvenc: fix vbv buffer size in cq mode

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The CQ calculation gets thrown off and behaves very nonsensical
if it isn't set to 0.
This commit is contained in:
Timo Rothenpieler
2022-12-08 12:31:00 +01:00
parent b62940bec3
commit 9ca139b2aa
1 changed files with 2 additions and 1 deletions
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3
libavcodec/nvenc.c
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@@ -1114,8 +1114,9 @@ static av_cold void nvenc_setup_rate_control(AVCodecContext *avctx)
av_log(avctx, AV_LOG_VERBOSE, "CQ(%d) mode enabled.\n", tmp_quality); 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.averageBitRate = avctx->bit_rate = 0;
ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size = 0;
ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate; ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
} }
} }