So Actually it will be sort of Flash -> WebM converter (with hacks in codecs) WebM -> Flash will not work (since native WebM does not support h264 and PCM)
On Wed, Apr 22, 2015 at 5:30 PM, Mondain <[email protected]> wrote: > We should switch to using MKV format which is the base format for WebM, or > use the MKV tags which contain our codecs in a modified WebM container. One > of our main objectives is to prevent any transcoding between codecs. > > Paul > > On Wed, Apr 22, 2015 at 6:17 AM Maxim Solodovnik <[email protected]> > wrote: > >> Hello Paul, >> >> I believe this question is for you :) >> WebM spec is clearly state h264 can not be packed into WebM, ffmpeg fail >> on the task also >> Could you please clarify the initial task taking this into account? >> >> Thanks in advance >> >> On Wed, Apr 22, 2015 at 4:01 PM, Dmitriy - <[email protected]> wrote: >> >>> Issue with webM format: >>> >>> "WebM files consist of video streams compressed with the *VP8 or VP9* >>> video codec, audio streams compressed with the *Vorbis or Opus* audio >>> codecs, and WebVTT text tracks." (http://www.webmproject.org/about/faq/) >>> >>> all these commands fails: >>> >>> $ ffmpeg -i sample.webm -c:v h264 -c:a pcm_s32be sample_out.webm >>> $ ffmpeg -i sample.webm -c:v h264 sample_out.webm >>> $ ffmpeg -i sample.webm -c:a pcm_s32be sample_out.webm >>> >>> What to do with webM format with h264 video and pcm audio? >>> >>> -- >>> Regards, Dmitry. >>> >> >> >> >> -- >> WBR >> Maxim aka solomax >> > -- WBR Maxim aka solomax
