MrBesen/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avfilter/vf_pullup: make sure metric_plane is available

Browse Source 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-09-18 11:27:41 +00:00
parent 8302abf844
commit 394a73cad2
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libavfilter/vf_pullup.c
View File

@ -161,13 +161,19 @@ static int config_input(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
PullupContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
const int mp = s->metric_plane;
int mp = s->metric_plane;
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
if (mp + 1 > s->nb_planes) {
av_log(ctx, AV_LOG_WARNING, "input format does not have such plane\n");
return AVERROR(EINVAL);
}
s->planeheight[1] = s->planeheight[2] = FF_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
s->planeheight[0] = s->planeheight[3] = inlink->h;
s->planewidth[1] = s->planewidth[2] = FF_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = inlink->w;
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
s->metric_w = (s->planewidth[mp] - ((s->junk_left + s->junk_right) << 3)) >> 3;
s->metric_h = (s->planeheight[mp] - ((s->junk_top + s->junk_bottom) << 1)) >> 3;