On 8 April 2015 at 15:37, Gilles Chanteperdrix < gilles.chanteperd...@xenomai.org> wrote:
> On Wed, Apr 08, 2015 at 02:40:52PM +0200, Michael Niedermayer wrote: > > On Wed, Apr 08, 2015 at 10:55:45AM +0200, Gilles Chanteperdrix wrote: > > > Hi, > > > > > > I just triend libquvi, and get a segmentation fault in the > > > libquvi_read_header function, because ff_copy_whitelists is called > > > before qc->fmtctx is allocated by avformat_open_input. I added a > > > call to avformat_alloc_context() before ff_copy_whitelists and the > > > libquvi demuxer works. > > > > > > However, I wonder how to fix this properly: the error handling > > > labels look backward, so that I am not sure where to free the > > > allocated context in case of error. > > > > applied this, yes its correct > > Ok, there are other details missing, the stream does not get a > duration, start_time and bitrate. This can easily be fixed, but as > wm4 said libquvi seems an abandoned project. > > Would there be any interest in a solution based on youtube-dl? It > seems to be the standard, these days. I just ran a few tests: > > youtube -qs 'url' returns 0 or 1 depending on whether the url can be > parsed by the tool > > youtube -e 'url' prints the stream title > > and youtube -f 'url' prints the video url. > > To use this portably, we can use system() and redirect the > output to a temporary file, and read the title or URL from the file. > Or is popen available on all platforms where ffmpeg runs? > > Is it a clean enough solution? If yes, I can submit the patch adding > this solution. From what I could see, all solutions to parse youtube > (including quvi) are based on scripts anyway. > I submitted a patch more that year ago to support youtube natively, as I remember this was based on the script you mention, but it was rejected because we have libquvi. [sic!] Project not actively developed is not the same as project not working. In corner case it is not developed because everything is working perfectly. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
