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Code Issues Releases Activity

Add 'rw_timeout' into URLContext

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If set non-zero, limits duration of retry_transfer_wrapper() loop, thus
affects ffurl_read*(), ffurl_write()
Measured in microseconds.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Andrey Utkin 2012-08-27 16:31:08 +03:00 committed by Michael Niedermayer
parent a9b1a151d2
commit 7870722592
2 changed files with 11 additions and 2 deletions
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12
libavformat/avio.c
View File

@ -254,6 +254,7 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
{
int ret, len;
int fast_retries = 5;
int64_t wait_since = 0;
len = 0;
while (len < size_min) {
@ -264,10 +265,17 @@ static inline int retry_transfer_wrapper(URLContext *h, unsigned char *buf, int
return ret;
if (ret == AVERROR(EAGAIN)) {
ret = 0;
if (fast_retries)
if (fast_retries) {
fast_retries--;
else
} else {
if (h->rw_timeout) {
if (!wait_since)
wait_since = av_gettime();
else if (av_gettime() > wait_since + h->rw_timeout)
return AVERROR(ETIMEDOUT);
}
av_usleep(1000);
}
} else if (ret < 1)
return ret < 0 ? ret : len;
if (ret)

1
libavformat/url.h
View File

@ -48,6 +48,7 @@ typedef struct URLContext {
int is_streamed; /**< true if streamed (no seek possible), default = false */
int is_connected;
AVIOInterruptCB interrupt_callback;
int64_t rw_timeout; /**< maximum time to wait for (network) read/write operation completion, in mcs */
} URLContext;
typedef struct URLProtocol {