[FFmpeg-devel] Set MaxKpbs to rc_max_rate for CBR and VBR (bitrate is equal to rc_max_rate for CBR)

Sven Dueking sven at nablet.com
Fri Aug 14 12:46:22 CEST 2015


>From ebb8a991dc2f64577266dae66c95131564781a38 Mon Sep 17 00:00:00 2001
From: Sven Dueking <sven at nablet.com>
Date: Fri, 14 Aug 2015 11:28:00 +0100
Subject: [FFmpeg-devel][PATCH] Set MaxKpbs to rc_max_rate for CBR and VBR
(bitrate is equal
 to rc_max_rate for CBR)

---
 libavcodec/qsvenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 57f5fe4..e5d3fa6 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -121,7 +121,7 @@ static int init_video_param(AVCodecContext *avctx,
QSVEncContext *q)
     case MFX_RATECONTROL_VBR:
         q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy
/ 1000;
         q->param.mfx.TargetKbps       = avctx->bit_rate / 1000;
-        q->param.mfx.MaxKbps          = avctx->bit_rate / 1000;
+        q->param.mfx.MaxKbps          = avctx->rc_max_rate / 1000;
         break;
     case MFX_RATECONTROL_CQP:
         quant = avctx->global_quality / FF_QP2LAMBDA;
-- 
1.8.3.1




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