ffmpeg: Use the buffer sinks poll instead of its input.

This fixes the case that the buffer sinks fifo contains frames which
would not show up on the poll from its input

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/ffmpeg.c b/ffmpeg.c
index be98aff57a75a9641b3c773658663e5d97c03eef..9ba9d778a8171609fb4f3dbd6c08aad084ce6cc8 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1918,7 +1918,7 @@ static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int
 
 #if CONFIG_AVFILTER
         if (ost->input_video_filter) {
-            frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
+            frame_available = av_buffersink_poll_frame(ost->output_video_filter);
         }
         while (frame_available) {
             if (ost->output_video_filter) {
@@ -1951,7 +1951,7 @@ static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int
                 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
 #if CONFIG_AVFILTER
             cont:
-            frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
+            frame_available = ost->output_video_filter && av_buffersink_poll_frame(ost->output_video_filter);
             avfilter_unref_buffer(ost->picref);
         }
 #endif