diff options
| -rw-r--r-- | ext/libav/gstavviddec.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/ext/libav/gstavviddec.c b/ext/libav/gstavviddec.c index 374bd9e..58979d8 100644 --- a/ext/libav/gstavviddec.c +++ b/ext/libav/gstavviddec.c @@ -730,6 +730,12 @@ gst_ffmpegviddec_can_direct_render (GstFFMpegVidDec * ffmpegdec) AV_CODEC_CAP_DR1); } +static void +gst_ffmpegviddec_avbuffer_unref (AVBufferRef * avbuffer) +{ + av_buffer_unref (&avbuffer); +} + /* called when ffmpeg wants us to allocate a buffer to write the decoded frame * into. We try to give it memory from our pool */ static int @@ -823,6 +829,16 @@ gst_ffmpegviddec_get_buffer2 (AVCodecContext * context, AVFrame * picture, } picture->buf[0] = av_buffer_create (NULL, 0, dummy_free_buffer, dframe, 0); + if ((flags & AV_GET_BUFFER_FLAG_REF) == AV_GET_BUFFER_FLAG_REF) { + /* decoder might reuse this AVFrame and it would result to no more + * get_buffer() call if the AVFrame's AVBuffer is writable + * (meaning that the refcount of AVBuffer == 1). + * To enforce get_buffer() for the every output frame, hold another ref here + */ + gst_video_codec_frame_set_user_data (frame, + av_buffer_ref (picture->buf[0]), + (GDestroyNotify) gst_ffmpegviddec_avbuffer_unref); + } GST_LOG_OBJECT (ffmpegdec, "returned frame %p", dframe->buffer); |