[vlc-commits] transcode: add chroma conversion to be the first filter if needed

[Ilkka Ollakka]

vlc | branch: master | Ilkka Ollakka <ileoo at videolan.org> | Fri Dec 27 16:51:18 2013 +0200| [d16fb5e7ff31fb388b8e63285522ef7b95afaa7b] | committer: Ilkka Ollakka

transcode: add chroma conversion to be the first filter if needed

For example croppadd doesn't like if input and output chromas are not the same.
This is visible for example webcam input and h264 encode (YUV2->I420).

Reported by: Jean-Paul Saman

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=d16fb5e7ff31fb388b8e63285522ef7b95afaa7b
---

 modules/stream_out/transcode/video.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/stream_out/transcode/video.c b/modules/stream_out/transcode/video.c
index 92f4d8d..6716cc7 100644
--- a/modules/stream_out/transcode/video.c
+++ b/modules/stream_out/transcode/video.c
@@ -337,6 +337,13 @@ static void transcode_video_filter_init( sout_stream_t *p_stream,
                            p_stream->p_sys );
         filter_chain_Reset( id->p_uf_chain, p_fmt_out,
                             &id->p_encoder->fmt_in );
+        if( p_fmt_out->video.i_chroma != id->p_encoder->fmt_in.video.i_chroma )
+        {
+            filter_chain_AppendFilter( id->p_uf_chain,
+                                   NULL, NULL,
+                                   p_fmt_out,
+                                   &id->p_encoder->fmt_in );
+        }
         filter_chain_AppendFromString( id->p_uf_chain, p_stream->p_sys->psz_vf2 );
         p_fmt_out = filter_chain_GetFmtOut( id->p_uf_chain );
         es_format_Copy( &id->p_encoder->fmt_in, p_fmt_out );