From: Zhao Zhili <zhiliz...@tencent.com>
This can fix read/write error when user close the file descriptor
earlier. Now user can close the file descriptor earlier to avoid
file descriptor leak. So it's safer in both way.
---
libavformat/file.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/file.c b/libavformat/file.c
index b8725c1f48..f7ebd52433 100644
--- a/libavformat/file.c
+++ b/libavformat/file.c
@@ -401,7 +401,9 @@ static int pipe_open(URLContext *h, const char *filename,
int flags)
#if HAVE_SETMODE
setmode(fd, O_BINARY);
#endif
- c->fd = fd;
+ c->fd = dup(fd);
+ if (c->fd < 0)
+ return AVERROR(errno);
h->is_streamed = 1;
return 0;
}
@@ -411,6 +413,7 @@ const URLProtocol ff_pipe_protocol = {
.url_open = pipe_open,
.url_read = file_read,
.url_write = file_write,
+ .url_close = file_close,
.url_get_file_handle = file_get_handle,
.url_check = file_check,
.priv_data_size = sizeof(FileContext),
--
2.25.1
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