On Sat, Apr 05, 2008 at 03:36:27PM +0000, Vladimir Eremeev wrote: > Hi all. > > I am writing an application, capturing the MPEG2 Transport Stream from a > DVB-S > card and saving its parts to a file on disk in MPEG Program Stream format > according to user defined schedule. > > Two things about libav* are not clear for me. > > 1. When is the AVInputFormatContext.programs filled? > during av_open_input_file or during av_find_stream_info?
as soon as the information is seen by the demuxer > > 2. Do libav* functions refresh the information contained in the > AVInputFormatContext.programs and how often ? RTFS > > My software is going to work forever and it is not clear for me, how it will > do > if the Program Specific Information (PSI) changes. I mean changes in the > Program Map Table, the Program Association Table and Service Description > table. > > av_find_stream_info reads about 5Mb of data. > What does it do with them on finish? > Are these data still available to av_read_frame? yes [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Frequently ignored awnser#1 FFmpeg bugs should be sent to our bugtracker. User questions about the command line tools should be sent to the ffmpeg-user ML. And questions about how to use libav* should be sent to the libav-user ML.
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