Hi,
I'm trying to stop av_read_frame from blocking when the stream is stopped
(stream over TCP, and the sender pauses sending). Reading various forum
posts, it would appear that I need to use the AVIOInterruptCB structure and
assign it to my format context. So I do this:
/* retrieve stream information */
if (avformat_find_stream_info(fmt_ctx, NULL) < 0) {
fprintf(stderr, "Could not find stream information\n");
exit(1);
}
static const AVIOInterruptCB int_cb = {interrupt_cb, &int_cb_ctx};
fmt_ctx->interrupt_callback = int_cb;
where interrupt_cb and int_cb_ctx are defined as:
static int interrupt_cb(void *ctx)
{
int *p = (int *)ctx;
*p = 53;
return 1;
}
int int_cb_ctx = 0;
The only problem now is that av_read_frame still blocks, there's no
evidence that interrupt_cb is being called, and I cannot restart my stream
because my decoder gets stuck in av_read_frame.
Is there anything I am doing wrong? Or is this a feature that has been
deprecated? Is there a better way of getting out of av_read_frame blocking?
Cheers,
Simon
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