AW: AW: [OT]h.264 alternatives

[Stephen Barncard]

Yes, this is why most who need to stream video should not do it themselves.
Let the big guys handle it and just imbed it in your thing.

sqb



On Fri, Jul 21, 2017 at 7:30 AM, Warren Samples via use-livecode <
use-livecode at lists.runrev.com> wrote:

> 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 at 128k, 3.04MiB
> 140          m4a        audio only DASH audio  129k , m4a_dash container,
> mp4a.40.2 at 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 at 128k (best)
>
>

--
Stephen Barncard - Sebastopol Ca. USA -

mixstream.org