http: Always allow no-op seek

This also allows checking stream position as per ffurl_seek() doxy.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
(cherry picked from commit ab76d9f628ad46e1d3bbf26c5bf1f87083f239ab)
This commit is contained in:
Anssi Hannula 2014-03-06 18:40:01 +01:00 committed by Reinhard Tartler
parent 991e6fa35b
commit f859fed03d

View File

@ -901,6 +901,9 @@ static int64_t http_seek(URLContext *h, int64_t off, int whence)
if (whence == AVSEEK_SIZE)
return s->filesize;
else if ((whence == SEEK_CUR && off == 0) ||
(whence == SEEK_SET && off == s->off))
return s->off;
else if ((s->filesize == -1 && whence == SEEK_END) || h->is_streamed)
return AVERROR(ENOSYS);