On Mon, 28 Jul 2014 10:43:13 +0200 Nicolas George <geo...@nsup.org> wrote:
> Le decadi 10 thermidor, an CCXXII, Eli Kara a écrit : > > It would solve the problem for DVDs with structure, which is probably what > > most people have when they rip a DVD. > > Certainly. But the other scenarios where the user only have a big MPEG-PS > file and nothing else, are likely too. > > > Just out of curiosity - why isn't DVD/BR reading implemented in FFmpeg? Is > > it because of the encryption that needs to be cracked? > > Nothing of the sort. lavf supports reading Blu Ray discs since March 2012. > But DVDs are much more difficult, because they pile up a crappy format on > top of another even-more-crappy format, with additional braindeadness to > boot. Fortunately, the Blu Ray guys hired more competent developers to > design their formats -- I only wish they kept the incompetent crypto guys. I don't see how Bluray is less braindead than DVD. Some things are slightly better, but after all it's a similar approach (raw packet stream + additional metadata). > I can add that I committed in April a script that allows ffmpeg to partially > access DVD-Video structures directly. That is a hack, it uses the concat > demuxer to stitch the VOB files together, lacks a lot of features from the > DVD structure (language metadata, palette for the subtitles, chapters), and > requires an external tool with non-standard patches, but in the meantime I > suppose it can be of some use. > > I suspect the problem with the undetected subtitle stream that started this > thread could be worked around with a similar concat script. > > But that does not replace real support for DVD-Video. > > Regards, > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
