[FFmpeg-devel] [PATCH v2 04/12] avcodec/mediacodecdec_common: fix useless av_buffer_unref
Zhao Zhili
quinkblack at foxmail.com
Sun Nov 20 08:49:39 EET 2022
From: Zhao Zhili <zhilizhao at tencent.com>
Since frame->buf[0] is always NULL in this case, av_buffer_unref
has no effect. If it's not NULL, double-free will happen.
Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>
---
libavcodec/mediacodecdec_common.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/libavcodec/mediacodecdec_common.c b/libavcodec/mediacodecdec_common.c
index 4c48b9142e..69a462ec48 100644
--- a/libavcodec/mediacodecdec_common.c
+++ b/libavcodec/mediacodecdec_common.c
@@ -335,7 +335,6 @@ static int mediacodec_wrap_hw_buffer(AVCodecContext *avctx,
return 0;
fail:
av_freep(&buffer);
- av_buffer_unref(&frame->buf[0]);
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
--
2.25.1
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