On 1/21/13, jim morgenstern <[email protected]> wrote: >>> where can I find the list of formats and their extensions? >> In the source code > > Yes but the source code is hundreds of files; can you tell me which one > has > the list and the mapping? > > >> > . What is your recommended format for uncompressed HD video ? >> >> libx264 is the state of the art encode > > But I do not want any encoding or compression: I want flat file that can > be > read later on for more processing. So is there a recommendation for a > particular file format that does this?
Depends on what you gonna use for more processing later. Depending on available storage and CPU speed you could use raw video formats... > > > > >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] >> On Behalf Of Stefano Sabatini >> Sent: Monday, January 21, 2013 7:50 AM >> To: This list is about using libavcodec, libavformat, libavutil, > libavdevice and >> libavfilter. >> Subject: Re: [Libav-user] How to specify output format >> >> In data Saturday 2013-01-19 01:55:22 -0500, Jim Morgenstern ha scritto: >> > I have C++ app [win 7] that is reading and writing video/audio stream. >> > >> > >> > >> > When I specify the output file as xxxx.MOV I am getting H264 >> > compressed video at 24 fps. >> > >> > >> > >> > I want to have output as uncompressed at 30 or 60 fps according to the >> > input. >> > >> > >> > >> > Some simple [I hope] questions: >> > >> > . What is [where can I find] the mapping between file name > extension >> > and format used? >> >> In the source code, or you can show the ".extensions" field for all the > registered >> AVInput/OutputFormats. >> >> > >> > . Can I specify the output format I want rather than using >> > av_guess_format ? all the tutorials use guess >> >> Yes, you need to specify avformat_alloc_output_context2() and rely on >> oformat/format_name parameters, or use av_guess_format(). >> >> > >> > . What is your recommended format for uncompressed HD video ? >> >> libx264 is the state of the art encoder (but it has licensing > constraints). >> _______________________________________________ >> Libav-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/libav-user > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
