amovie: avoid crash in amovie_request_frame() if no samplesref is available

The crash occurrs when a frame is successfully decoded, but no decoded
data is immediately available (typically happens with ogg/vorbis).
This commit is contained in:
Stefano Sabatini 2011-11-13 23:51:06 +01:00
parent 81852ef5d6
commit 2b1a4c5b34
1 changed files with 4 additions and 2 deletions

View File

@ -446,8 +446,10 @@ static int amovie_request_frame(AVFilterLink *outlink)
if (movie->is_done)
return AVERROR_EOF;
if ((ret = amovie_get_samples(outlink)) < 0)
return ret;
do {
if ((ret = amovie_get_samples(outlink)) < 0)
return ret;
} while (!movie->samplesref);
avfilter_filter_samples(outlink, avfilter_ref_buffer(movie->samplesref, ~0));
avfilter_unref_buffer(movie->samplesref);