Fixed potential NULL dereference when using video filter when transcoding.

It closes #4409.

Fixed potential NULL dereference when using video filter when transcoding.
It closes #4409.
8dcf1227 · Laurent Aimar · 48f5c06e · 8dcf1227
Commit 8dcf1227 authored Jun 01, 2012 by Laurent Aimar
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modules/stream_out/transcode/video.c modules/stream_out/transcode/video.c +4 -0

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--- a/modules/stream_out/transcode/video.c
+++ b/modules/stream_out/transcode/video.c
@@ -656,10 +656,14 @@ int transcode_video_process( sout_stream_t *p_stream, sout_stream_id_t *id,
        /* Run filter chain */
        if( id->p_f_chain )
            p_pic = filter_chain_VideoFilter( id->p_f_chain, p_pic );
+        if( !p_pic )
+            continue;

        /* Run user specified filter chain */
        if( id->p_uf_chain )
            p_pic = filter_chain_VideoFilter( id->p_uf_chain, p_pic );
+        if( !p_pic )
+            continue;

        /*
         * Encoding