Merge commit '91767360d86ac786571593ab11c7291010ab3829'

[ffmpeg] / ffmpeg_filter.c

diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c
index b452fe068221701d61578c1cf6901db4a356b311..950e4d02e92f51e09df2cd32ad2850d9b1327475 100644 (file)
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@ -641,6 +641,11 @@ int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOu
     av_freep(&ofilter->name);
     DESCRIBE_FILTER_LINK(ofilter, out, 0);
 
+    if (!ofilter->ost) {
+        av_log(NULL, AV_LOG_FATAL, "Filter %s has a unconnected output\n", ofilter->name);
+        exit_program(1);
+    }
+
     switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
     case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
     case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);