[FFmpeg-cvslog] avcodec/qsvenc: Properly flush the FIFO on close

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Sep 25 14:28:10 2021 +0200| [d47a986b7922f610acb6801620aa9b4fa9a2b243] | committer: Andreas Rheinhardt

avcodec/qsvenc: Properly flush the FIFO on close

Freeing the new H.264 specific fields has been forgotten.
(This leak only appears in case the encoder has not been completely
drained.)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d47a986b7922f610acb6801620aa9b4fa9a2b243
---

 libavcodec/qsvenc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index e5d09752cb..26a94cd419 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -1626,6 +1626,14 @@ int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q)
         av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
         av_fifo_generic_read(q->async_fifo, &bs,   sizeof(bs),   NULL);
 
+#if QSV_VERSION_ATLEAST(1, 26)
+        if (avctx->codec_id == AV_CODEC_ID_H264) {
+            mfxExtBuffer **enc_buf = bs->ExtParam;
+            mfxExtAVCEncodedFrameInfo *enc_info = (mfxExtAVCEncodedFrameInfo *)(*bs->ExtParam);
+            av_freep(&enc_info);
+            av_freep(&enc_buf);
+        }
+#endif
         av_freep(&sync);
         av_freep(&bs);
         av_packet_unref(&pkt);