From: walle <dont.b...@gmail.com>
lock screen or other permission notification in win7 or
higher windows version would case BitBlt return false,
and gdigrab_read_packet will return AVERROR(EIO) and do nothing to
allocated packet data, then memory leak happend. It's necessary to
release packet data before return from gdigrab_read_packet.
---
libavdevice/gdigrab.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavdevice/gdigrab.c b/libavdevice/gdigrab.c
index f4444406fa..b69494c98d 100644
--- a/libavdevice/gdigrab.c
+++ b/libavdevice/gdigrab.c
@@ -576,6 +576,7 @@ static int gdigrab_read_packet(AVFormatContext *s1,
AVPacket *pkt)
clip_rect.bottom - clip_rect.top,
source_hdc,
clip_rect.left, clip_rect.top, SRCCOPY | CAPTUREBLT)) {
+ av_packet_unref(pkt);
WIN32_API_ERROR("Failed to capture image");
return AVERROR(EIO);
}
--
2.25.1
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