I think the source of the problem that there is no standard codec for h.264 on windows is, that LiveCode uses the almost deprecated directShow API and not the current Microsoft media foundation API. For MMF there probably is a standard codec for h.264 available on the machine. Thats really a pity, that Edinburgh implemented this old API, which is almost deprecated and not the current microsoft foundation after having waited so many years for the switch from QT to a new standard. Now it bites us again in our daily work, like many years QT. So we went from worse to bad. Tiemo
-----Ursprüngliche Nachricht----- Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im Auftrag von Warren Samples via use-livecode Gesendet: Freitag, 21. Juli 2017 16:31 An: Tiemo Hollmann TB via use-livecode <use-livecode@lists.runrev.com> Cc: Warren Samples <war...@warrensweb.us> Betreff: Re: AW: AW: [OT]h.264 alternatives On 07/21/2017 03:45 AM, Tiemo Hollmann TB via use-livecode wrote: > But I wonder, which codec youtube converts all videos into or other > platforms are using so that their videos are almost always compatible > with all platforms. There must be any cross-platform codec or the > browser video players bring all available codecs with them They make files available in more than one format to accommodate various browsers. The player and the browser negotiate which file to use. This is the common solution to the problem. If you visit a youtube URL with youtube-dl using the -F option you'll see something like this, listing the associated files: [youtube] NSEISkSfzIg: Downloading MPD manifest [info] Available formats for NSEISkSfzIg: format code extension resolution note 139 m4a audio only DASH audio 49k , m4a_dash container, mp4a.40.5@ 48k (22050Hz), 1.23MiB 249 webm audio only DASH audio 68k , opus @ 50k, 1.46MiB 250 webm audio only DASH audio 103k , opus @ 70k, 2.09MiB 171 webm audio only DASH audio 124k , vorbis@128k, 3.04MiB 140 m4a audio only DASH audio 129k , m4a_dash container, mp4a.40.2@128k (44100Hz), 3.28MiB 251 webm audio only DASH audio 181k , opus @160k, 3.89MiB 160 mp4 192x144 DASH video 109k , avc1.4d400c, 12fps, video only, 2.71MiB 133 mp4 320x240 DASH video 246k , avc1.4d400d, 24fps, video only, 6.09MiB 17 3gp 176x144 small , mp4v.20.3, mp4a.40.2@ 24k 36 3gp 320x240 small , mp4v.20.3, mp4a.40.2 18 mp4 320x240 medium , avc1.42001E, mp4a.40.2@ 96k 43 webm 640x360 medium , vp8.0, vorbis@128k (best) _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode