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libavfilter: pass QP table through the filter chain

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Any volunteers to port the pp and spp filters from libmpcodec?

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-09-05 04:41:22 +02:00
parent de9f5b6853
commit c9a0f9bf3c
5 changed files with 37 additions and 3 deletions
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libavfilter/avcodec.c
+10
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@@ -42,6 +42,16 @@ int avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
dst->video->top_field_first = src->top_field_first;
dst->video->key_frame = src->key_frame;
dst->video->pict_type = src->pict_type;
av_freep(&dst->video->qp_table);
dst->video->qp_table_linesize = 0;
if (src->qscale_table) {
int qsize = src->qstride ? src->qstride * ((src->height+15)/16) : (src->width+15)/16;
dst->video->qp_table = av_malloc(qsize);
if(!dst->video->qp_table)
return AVERROR(ENOMEM);
dst->video->qp_table_linesize = src->qstride;
memcpy(dst->video->qp_table, src->qscale_table, qsize);
}
break;
case AVMEDIA_TYPE_AUDIO:
dst->audio->sample_rate = src->sample_rate;