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avdevice/v4l2: fix mmap_free() skipping first buffer

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Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili
2026-04-13 21:16:07 +08:00
committed by Zhao Zhili
parent beb315ca31
commit 603234f945
1 changed files with 2 additions and 3 deletions
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5
libavdevice/v4l2.c
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@@ -362,9 +362,8 @@ static void list_standards(AVFormatContext *ctx)
static void mmap_free(struct video_data *s, int n)
{
while (--n > 0) {
v4l2_munmap(s->buf_data[n].start, s->buf_data[n].len);
}
for (int i = 0; i < n; i++)
v4l2_munmap(s->buf_data[i].start, s->buf_data[i].len);
av_freep(&s->buf_data);
}