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avcodec/nvenc: clamp initial qp value to [1, 51]

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Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
pull/166/head
Agatha Hu 9 years ago committed by Timo Rothenpieler
parent f1a8897375
commit 758be45756
1 changed files with 4 additions and 4 deletions
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  1. 8
      libavcodec/nvenc.c

8
libavcodec/nvenc.c
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@ -843,10 +843,10 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
ctx->encode_config.rcParams.initialRCQP.qpInterP = qp_inter_p;
if(avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
ctx->encode_config.rcParams.initialRCQP.qpIntra = qp_inter_p * fabs(avctx->i_quant_factor);
ctx->encode_config.rcParams.initialRCQP.qpIntra += avctx->i_quant_offset;
ctx->encode_config.rcParams.initialRCQP.qpInterB = qp_inter_p * fabs(avctx->b_quant_factor);
ctx->encode_config.rcParams.initialRCQP.qpInterB += avctx->b_quant_offset;
ctx->encode_config.rcParams.initialRCQP.qpIntra = av_clip(
qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51);
ctx->encode_config.rcParams.initialRCQP.qpInterB = av_clip(
qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51);
} else {
ctx->encode_config.rcParams.initialRCQP.qpIntra = qp_inter_p;
ctx->encode_config.rcParams.initialRCQP.qpInterB = qp_inter_p;

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