[FFmpeg-devel] [PATCH 5/6] lavc/qsvdec: Reset decoder if MFX_ERR_UNDEFINED_BEHAVIOR is caught, because this error may get decoder stuck.

[Nablet Developer]

From: ChaoX A Liu <chaox.a.liu at intel.com>

Signed-off-by: ChaoX A Liu <chaox.a.liu at intel.com>
---
 libavcodec/qsvdec.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
index 47dd818..2075a23 100644
--- a/libavcodec/qsvdec.c
+++ b/libavcodec/qsvdec.c
@@ -370,13 +370,18 @@ static int do_qsv_decode(AVCodecContext *avctx, QSVContext *q,
             av_usleep(500);
         } while (1);
 
-        if (MFX_WRN_VIDEO_PARAM_CHANGED==ret) {
+        if (MFX_WRN_VIDEO_PARAM_CHANGED == ret) {
             /* TODO: handle here minor sequence header changing */
-        } else if (MFX_ERR_INCOMPATIBLE_VIDEO_PARAM==ret) {
+        } else if (MFX_ERR_INCOMPATIBLE_VIDEO_PARAM == ret) {
             av_fifo_reset(q->input_fifo);
             flush = q->reinit_pending = 1;
             continue;
-        }
+        } else if (MFX_ERR_UNDEFINED_BEHAVIOR == ret)
+            /*
+             * Decoder may get stuck with this errorcode.
+             * Reset decoder to avoid that.
+             */
+            ff_qsv_decode_reset(avctx, q);
 
         if (sync) {
             QSVFrame *out_frame = find_frame(q, outsurf);
-- 
2.5.0