[FFmpeg-user] Filter Guru Required - Transcode 1080p + 720p + 480p simultaneously

David Favor david at davidfavor.com
Thu May 9 23:07:35 CEST 2013

René Calles wrote:
> Have a look at http://ffmpeg.org/trac/ffmpeg/wiki/Creating%20multiple%20outputs
> This should give you a hint how to do it.
> Best,
> René
> Am 09.05.2013 um 17:35 schrieb René Calles <me at renecalles.de>:
>> Tee muxer can only be used to mux into different container afaik. For different resolutions you need to encode your video 3 times in that case. Altough it is possible to chain this in a single command.
>> Am 09.05.2013 um 16:50 schrieb Paul B Mahol <onemda at gmail.com>:
>>> On 5/9/13, David Favor <david at davidfavor.com> wrote:
>>>> Reading through the filter docs, it appears streams may be
>>>> split, then routed through multiple pipelines... simultaneously.
>>>> For the filter Gurus in the crowd, whats they syntax
>>>> for transcoding to multiple formats simultaneously?
>>> Transcoding to multiple formats is done with tee muxer.
>>>> I'm using bleeding edge ffmpeg...
>>>>    ffmpeg-1.2.0-2013-05-09-52932-gd1cb559
>>>> Thanks!

That should do it.


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