viddec: Call gst_video_decoder_negotiate()

diff --git a/ext/ffmpeg/gstffmpegviddec.c b/ext/ffmpeg/gstffmpegviddec.c
index a123ba8..a911c1e 100644 (file)
--- a/ext/ffmpeg/gstffmpegviddec.c
+++ b/ext/ffmpeg/gstffmpegviddec.c
@@ -847,6 +847,8 @@ gst_ffmpegviddec_negotiate (GstFFMpegVidDec * ffmpegdec, gboolean force)
   /* calculate and update par now */
   gst_ffmpegviddec_update_par (ffmpegdec, in_info, out_info);
 
+  gst_video_decoder_negotiate (GST_VIDEO_DECODER (ffmpegdec));
+
   return TRUE;
 
   /* ERRORS */