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Always call ff_network_init/ff_network_close when opening protocols

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ff_network_init is a no-op on all platforms except windows, and on
windows the performance penalty is minimal (less than 1 ms in my tests).

Originally committed as revision 22224 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-03-05 22:30:21 +00:00
parent e5a1c20707
commit 67d4b3f205
1 changed files with 14 additions and 2 deletions
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16
libavformat/avio.c
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@ -26,6 +26,9 @@
#include "libavcodec/opt.h"
#include "os_support.h"
#include "avformat.h"
#if CONFIG_NETWORK
#include "network.h"
#endif
#if LIBAVFORMAT_VERSION_MAJOR >= 53
/** @name Logging context. */
@ -76,6 +79,10 @@ int url_open_protocol (URLContext **puc, struct URLProtocol *up,
URLContext *uc;
int err;
#if CONFIG_NETWORK
if (!ff_network_init())
return AVERROR(EIO);
#endif
uc = av_mallocz(sizeof(URLContext) + strlen(filename) + 1);
if (!uc) {
err = AVERROR(ENOMEM);
@ -93,8 +100,7 @@ int url_open_protocol (URLContext **puc, struct URLProtocol *up,
err = up->url_open(uc, filename, flags);
if (err < 0) {
av_free(uc);
*puc = NULL;
return err;
goto fail;
}
//We must be careful here as url_seek() could be slow, for example for http
@ -106,6 +112,9 @@ int url_open_protocol (URLContext **puc, struct URLProtocol *up,
return 0;
fail:
*puc = NULL;
#if CONFIG_NETWORK
ff_network_close();
#endif
return err;
}
@ -204,6 +213,9 @@ int url_close(URLContext *h)
if (h->prot->url_close)
ret = h->prot->url_close(h);
#if CONFIG_NETWORK
ff_network_close();
#endif
av_free(h);
return ret;
}