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>

1 files changed, 2 insertions, 2 deletions

diff --git a/ffmpeg.c b/ffmpeg.c
index be98aff57a..9ba9d778a8 100644
--- 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