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Code Issues Releases Activity

avio: Mark the old interrupt callback mechanism as deprecated

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Prepare for removing it at an upcoming major bump.
This commit is contained in:
Martin Storsjö 2011-11-07 12:17:50 +02:00 committed by Anton Khirnov
parent 40972f7c54
commit 45f511ece7
3 changed files with 17 additions and 2 deletions
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10
libavformat/avio.c
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@ -83,9 +83,11 @@ const AVClass ffurl_context_class = {
};
/*@}*/
static int default_interrupt_cb(void);
#if FF_API_OLD_INTERRUPT_CB
static int default_interrupt_cb(void);
int (*url_interrupt_cb)(void) = default_interrupt_cb;
#endif
#if FF_API_OLD_AVIO
URLProtocol *av_protocol_next(URLProtocol *p)
@ -441,6 +443,7 @@ int ffurl_get_file_handle(URLContext *h)
return h->prot->url_get_file_handle(h);
}
#if FF_API_OLD_INTERRUPT_CB
static int default_interrupt_cb(void)
{
return 0;
@ -452,13 +455,18 @@ void avio_set_interrupt_cb(int (*interrupt_cb)(void))
interrupt_cb = default_interrupt_cb;
url_interrupt_cb = interrupt_cb;
}
#endif
int ff_check_interrupt(AVIOInterruptCB *cb)
{
int ret;
if (cb && cb->callback && (ret = cb->callback(cb->opaque)))
return ret;
#if FF_API_OLD_INTERRUPT_CB
return url_interrupt_cb();
#else
return 0;
#endif
}
#if FF_API_OLD_AVIO

6
libavformat/avio.h
View File

@ -389,13 +389,17 @@ attribute_deprecated int url_exist(const char *url);
*/
int avio_check(const char *url, int flags);
#if FF_API_OLD_INTERRUPT_CB
/**
* The callback is called in blocking functions to test regulary if
* asynchronous interruption is needed. AVERROR_EXIT is returned
* in this case by the interrupted function. 'NULL' means no interrupt
* callback is given.
* @deprecated Use interrupt_callback in AVFormatContext/avio_open2
* instead.
*/
void avio_set_interrupt_cb(int (*interrupt_cb)(void));
attribute_deprecated void avio_set_interrupt_cb(int (*interrupt_cb)(void));
#endif
/**
* Allocate and initialize an AVIOContext for buffered I/O. It must be later

3
libavformat/version.h
View File

@ -110,5 +110,8 @@
#ifndef FF_API_REORDER_PRIVATE
#define FF_API_REORDER_PRIVATE (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_OLD_INTERRUPT_CB
#define FF_API_OLD_INTERRUPT_CB (LIBAVFORMAT_VERSION_MAJOR < 54)
#endif
#endif /* AVFORMAT_VERSION_H */