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set more x264 encoding parameters

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patch by Dario Andrade <dario at ip tv>

Originally committed as revision 4594 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Dario Andrade 2005-09-14 21:05:24 +00:00 committed by Måns Rullgård
parent 9fcfac15ba
commit 18ae520b72
1 changed files with 4 additions and 0 deletions
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4
libavcodec/x264.c
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@ -135,6 +135,7 @@ X264_init(AVCodecContext *avctx)
x4->params.i_keyint_max = avctx->gop_size; x4->params.i_keyint_max = avctx->gop_size;
x4->params.rc.i_bitrate = avctx->bit_rate / 1000; x4->params.rc.i_bitrate = avctx->bit_rate / 1000;
x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000; x4->params.rc.i_vbv_buffer_size = avctx->rc_buffer_size / 1000;
x4->params.rc.i_vbv_max_bitrate = avctx->rc_max_rate / 1000;
if(avctx->rc_buffer_size) if(avctx->rc_buffer_size)
x4->params.rc.b_cbr = 1; x4->params.rc.b_cbr = 1;
x4->params.i_bframe = avctx->max_b_frames; x4->params.i_bframe = avctx->max_b_frames;
@ -144,6 +145,9 @@ X264_init(AVCodecContext *avctx)
x4->params.rc.i_qp_max = avctx->qmax; x4->params.rc.i_qp_max = avctx->qmax;
x4->params.rc.i_qp_step = avctx->max_qdiff; x4->params.rc.i_qp_step = avctx->max_qdiff;
x4->params.rc.f_qcompress = avctx->qcompress; /* 0.0 => cbr, 1.0 => constant qp */
x4->params.rc.f_qblur = avctx->qblur; /* temporally blur quants */
if(avctx->flags & CODEC_FLAG_QSCALE && avctx->global_quality > 0) if(avctx->flags & CODEC_FLAG_QSCALE && avctx->global_quality > 0)
x4->params.rc.i_qp_constant = x4->params.rc.i_qp_constant =
12 + 6 * log2((double) avctx->global_quality / FF_QP2LAMBDA); 12 + 6 * log2((double) avctx->global_quality / FF_QP2LAMBDA);