On Mon, Mar 09, 2015 at 12:33:38PM +0100, Andreas Cadhalpun wrote: > On 09.03.2015 03:56, Michael Niedermayer wrote: > >On Mon, Mar 09, 2015 at 12:05:01AM +0100, Andreas Cadhalpun wrote: > >>Hi, > >> > >>if AVERROR(EAGAIN) is returned from ffm_is_avail_data it always > >>causes an infinite EAGAIN loop. > > > >it should only loop until more data is written into the ffm file > >(this of course is not guranteed to ever happen) > > How should this work? > > If ffm_is_avail_data returns AVERROR(EAGAIN), this error is > immediately forwarded to avformat_find_stream_info, which just tries > reading a frame again, leading to ffm_read_packet, which first calls > ffm_is_avail_data. > Nothing changed the FFMContext, even if more data was written into > the ffm file, so it returns AVERROR(EAGAIN) again.
ffm_set_write_index() from ffserver could, this looks like ffm should export a clean API to be used by ffserver though also we really need regression tests for this ... CCing reynaldo as he probably knows the code better [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Dictatorship naturally arises out of democracy, and the most aggravated form of tyranny and slavery out of the most extreme liberty. -- Plato
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