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nvenc: Remove qmin and qmax constraints for nvenc vbr

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qmin and qmax are not necessary for nvenc vbr.

Also fix for using 2 pass vbr mode for slow preset through ctx->flag NVENC_TWO_PASSES.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Ganapathy Kasi 2017-03-01 15:04:47 -08:00 committed by Luca Barbato
parent aba5b94859
commit 3303f86467
1 changed files with 7 additions and 8 deletions
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15
libavcodec/nvenc.c
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@ -559,12 +559,8 @@ static void nvenc_override_rate_control(AVCodecContext *avctx,
return;
case NV_ENC_PARAMS_RC_2_PASS_VBR:
case NV_ENC_PARAMS_RC_VBR:
if (avctx->qmin < 0 && avctx->qmax < 0) {
av_log(avctx, AV_LOG_WARNING,
"The variable bitrate rate-control requires "
"the 'qmin' and/or 'qmax' option set.\n");
return;
}
set_vbr(avctx, rc);
break;
case NV_ENC_PARAMS_RC_VBR_MINQP:
if (avctx->qmin < 0) {
av_log(avctx, AV_LOG_WARNING,
@ -606,8 +602,11 @@ static void nvenc_setup_rate_control(AVCodecContext *avctx)
set_lossless(avctx, rc);
} else if (avctx->global_quality > 0) {
set_constqp(avctx, rc);
} else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
rc->rateControlMode = NV_ENC_PARAMS_RC_VBR;
} else {
if (ctx->flags & NVENC_TWO_PASSES)
rc->rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR;
else
rc->rateControlMode = NV_ENC_PARAMS_RC_VBR;
set_vbr(avctx, rc);
}