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avformat: disable seeking on FIFOs/named pipes

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Patch is addition to my previous patch
(https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2012-June/051590.html)
and disables seeking on FIFOs/named pipes by setting
URLContext::is_streamed (same as pipe: protocol does for stdin/stdout pipes)

Fixes Ticket986

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Martin Sliwka 2012-06-28 19:31:04 +02:00 committed by Michael Niedermayer
parent 6851130fd6
commit df531b0e10
1 changed files with 4 additions and 0 deletions
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4
libavformat/file.c
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@ -72,6 +72,7 @@ static int file_open(URLContext *h, const char *filename, int flags)
{
int access;
int fd;
struct stat st;
av_strstart(filename, "file:", &filename);
@ -89,6 +90,9 @@ static int file_open(URLContext *h, const char *filename, int flags)
if (fd == -1)
return AVERROR(errno);
h->priv_data = (void *) (intptr_t) fd;
h->is_streamed = (0==fstat(fd, &st) && S_ISFIFO(st.st_mode)) ? 1 : 0;
return 0;
}