ffmpeg: flush delayed frames in codec copy scenarios

Bitstream filters inserted between the input and output were never drained,
resulting in packets being lost if the bsf had any buffered.

Signed-off-by: James Almer <jamrial@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
index 81ec4d5970..1b8bbace3f 100644
--- a/fftools/ffmpeg.h
+++ b/fftools/ffmpeg.h
@@ -307,6 +307,7 @@ typedef struct InputStream {
     int decoding_needed;     /* non zero if the packets must be decoded in 'raw_fifo', see DECODING_FOR_* */
 #define DECODING_FOR_OST    1
 #define DECODING_FOR_FILTER 2
+    int processing_needed;   /* non zero if the packets must be processed */
 
     AVCodecContext *dec_ctx;
     const AVCodec *dec;