Returning AVERROR(EAGAIN) when libmfx needs more data will cause the failure
of requesting the next frame and lead to an infinite loop.
Sleep for a while to release the resources before calling
MFXVideoCORE_SyncOperation
in hwupload to avoid the crash (in MCTF for example).
Signed-off-by: Linjie Fu <linjie...@intel.com>
---
libavfilter/qsvvpp.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/libavfilter/qsvvpp.c b/libavfilter/qsvvpp.c
index 06efdf5089..1a10d16788 100644
--- a/libavfilter/qsvvpp.c
+++ b/libavfilter/qsvvpp.c
@@ -714,8 +714,10 @@ int ff_qsvvpp_filter_frame(QSVVPPContext *s, AVFilterLink
*inlink, AVFrame *picr
if (ret < 0 && ret != MFX_ERR_MORE_SURFACE) {
/* Ignore more_data error */
- if (ret == MFX_ERR_MORE_DATA)
- ret = AVERROR(EAGAIN);
+ if (ret == MFX_ERR_MORE_DATA) {
+ ret = MFX_ERR_NONE;
+ av_usleep(100000);
+ }
break;
}
--
2.17.1
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