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| author | Måns Rullgård <mans@mansr.com> | 2005-03-16 13:09:30 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2005-03-16 13:09:30 +0000 |
| commit | 68c6d60fdfc76976d0ac48b2dbb81a539f219c60 (patch) | |
| tree | 17f1fc98801350a06084637088b9ef0036c30b9e | |
| parent | 0fa04b7fde614c4d1778ecfc60bfbdb8c3ac8b1e (diff) | |
| download | ffmpeg-68c6d60fdfc76976d0ac48b2dbb81a539f219c60.tar.gz | |
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
| -rw-r--r-- | libavcodec/x264.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/x264.c b/libavcodec/x264.c index 3f3aba68ef..4fc2c64487 100644 --- a/libavcodec/x264.c +++ b/libavcodec/x264.c @@ -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; |