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| author | Hendrik Leppkes <h.leppkes@gmail.com> | 2013-04-28 14:19:31 +0400 |
|---|---|---|
| committer | Hendrik Leppkes <h.leppkes@gmail.com> | 2017-08-04 20:12:11 +0300 |
| commit | f7e1373ac807a9b007e7598b292416751ac6c879 (patch) | |
| tree | 3c1b25ac469cd5e4749f1d201d870016c30f2d7f | |
| parent | 89a68acfd78a9488b432efeaf906fbf8c8d85399 (diff) | |
HACK avio: add a flag to skip the fstat on file opening for performance reasons
| -rw-r--r-- | libavformat/avio.h | 2 | ||||
| -rw-r--r-- | libavformat/file.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/avio.h b/libavformat/avio.h index f14b003ba5..33a94508aa 100644 --- a/libavformat/avio.h +++ b/libavformat/avio.h @@ -669,6 +669,8 @@ int avio_get_str16be(AVIOContext *pb, int maxlen, char *buf, int buflen); */ #define AVIO_FLAG_DIRECT 0x8000 +#define AVIO_FLAG_AVOID_FSTAT 0x80000000 + /** * Create and initialize a AVIOContext for accessing the * resource indicated by url. diff --git a/libavformat/file.c b/libavformat/file.c index 1d321c4205..563918f34d 100644 --- a/libavformat/file.c +++ b/libavformat/file.c @@ -227,7 +227,7 @@ static int file_open(URLContext *h, const char *filename, int flags) return AVERROR(errno); c->fd = fd; - h->is_streamed = !fstat(fd, &st) && S_ISFIFO(st.st_mode); + h->is_streamed = !(flags & AVIO_FLAG_AVOID_FSTAT) && !fstat(fd, &st) && S_ISFIFO(st.st_mode); /* Buffer writes more than the default 32k to improve throughput especially * with networked file systems */ |