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set constant QP from AVCodecContext.global_quality. 

set key_frame flag on coded_picture correctly.

Originally committed as revision 4045 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård 2005-03-16 13:09:30 +00:00
parent 0fa04b7fde
commit 68c6d60fdf
1 changed files with 6 additions and 1 deletions
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7
libavcodec/x264.c
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@ -104,7 +104,8 @@ X264_frame(AVCodecContext *ctx, uint8_t *buf, int bufsize, void *data)
break;
}
x4->out_pic.key_frame = x4->out_pic.key_frame == FF_I_TYPE;
x4->out_pic.key_frame = pic_out.i_type == X264_TYPE_IDR;
x4->out_pic.quality = (pic_out.i_qpplus1 - 1) * FF_QP2LAMBDA;
return bufsize;
}
@ -139,6 +140,10 @@ X264_init(AVCodecContext *avctx)
x4->params.rc.i_qp_max = avctx->qmax;
x4->params.rc.i_qp_step = avctx->max_qdiff;
if(avctx->flags & CODEC_FLAG_QSCALE && avctx->global_quality > 0)
x4->params.rc.i_qp_constant =
12 + 6 * log2((double) avctx->global_quality / FF_QP2LAMBDA);
x4->params.i_width = avctx->width;
x4->params.i_height = avctx->height;
x4->params.vui.i_sar_width = avctx->sample_aspect_ratio.num;