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avformat/utils: Skip ff_configure_buffers_for_index() for local files

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Theres no known case where its use on local files improves performance
if you know of such a case, please contact us

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-13 14:25:38 +02:00
parent f5c281daa8
commit b513661251
1 changed files with 5 additions and 0 deletions
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5
libavformat/utils.c
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@ -1785,6 +1785,11 @@ void ff_configure_buffers_for_index(AVFormatContext *s, int64_t time_tolerance)
{ {
int ist1, ist2; int ist1, ist2;
int64_t pos_delta = 0; int64_t pos_delta = 0;
//We could use URLProtocol flags here but as many user applications do not use URLProtocols this would be unreliable
const char *proto = avio_find_protocol_name(s->filename);
if (!(strcmp(proto, "file") && strcmp(proto, "pipe") && strcmp(proto, "cache")))
return;
for (ist1 = 0; ist1 < s->nb_streams; ist1++) { for (ist1 = 0; ist1 < s->nb_streams; ist1++) {
AVStream *st1 = s->streams[ist1]; AVStream *st1 = s->streams[ist1];