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avcenc: Disable SKIP_BIAS

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For static content, intra modes and skip mode compete with each
other neck and neck. From bitstream perspective its favourable to
pick skip. But do not over bias towards skip as intra modes
are already being penalized with mode bits * lambda.

Average bdrates improve by 1%

Test: Tested on clips of different resolutions for quality changes

Change-Id: I8ae85e7e807c9810e10b325627c84eec679327a9
This commit is contained in:
Ram Mohan 2017-11-23 17:43:35 +05:30 • committed by Hangyu Kuang
parent 11b4a7b4f0
commit 6ecdf603b4
1 changed files with 2 additions and 2 deletions
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4
encoder/ih264e_me.h
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@ -46,14 +46,14 @@
* @brief Skip Bias value for P slice * @brief Skip Bias value for P slice
****************************************************************************** ******************************************************************************
*/ */
#define SKIP_BIAS_P 2 #define SKIP_BIAS_P 0
/** /**
****************************************************************************** ******************************************************************************
* @brief Skip Bias value for B slice * @brief Skip Bias value for B slice
****************************************************************************** ******************************************************************************
*/ */
#define SKIP_BIAS_B 16 #define SKIP_BIAS_B 0
/*****************************************************************************/ /*****************************************************************************/