fftools/ffmpeg_filter: at EOF, unref frame used for FPS conversion logic Ever since commit 64f3feb added `avcodec_free_context(&enc->enc_ctx);` to `enc_free()` the encoder context is closed before filtergraph output context. The filtergraph output context holds a reference to last AVFrame to pass through it for FPS conversion purposes. This is problematic for HWFrameContexts which may rely on encoder context to free HW AVFrames. This change unrefs the AVFrame ref held by filtergraph output context during processing of EOF frame.
Signed-off-by: Steven Zhou <steven.z...@netint.ca> --- fftools/ffmpeg_filter.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c index a0dc4c745e..cf2d016b2d 100644 --- a/fftools/ffmpeg_filter.c +++ b/fftools/ffmpeg_filter.c @@ -2560,8 +2560,10 @@ static int fg_output_frame(OutputFilterPriv *ofp, FilterGraphThread *fgt, av_frame_move_ref(frame_prev, frame); } - if (!frame) + if (!frame) { + av_frame_unref(frame_prev); return close_output(ofp, fgt); + } return 0; } -- 2.25.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".