From: Zhao Zhili <zhiliz...@tencent.com>
There are two VTCompressionSessionRef been created, one for generating
extradata, and another for normal encoding. supported_props was been
overwritten without release.
---
libavcodec/videotoolboxenc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index 78ef474d7a..f4070571d3 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -1205,6 +1205,10 @@ static int vtenc_create_encoder(AVCodecContext *avctx,
#if defined (MAC_OS_X_VERSION_10_13) && (MAC_OS_X_VERSION_MAX_ALLOWED >=
MAC_OS_X_VERSION_10_13)
if (__builtin_available(macOS 10.13, *)) {
+ if (vtctx->supported_props) {
+ CFRelease(vtctx->supported_props);
+ vtctx->supported_props = NULL;
+ }
status = VTCopySupportedPropertyDictionaryForEncoder(avctx->width,
avctx->height,
codec_type,
--
2.42.0
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