On 10 November 2016 at 21:59, Michael Niedermayer <mich...@niedermayer.cc> wrote:
> On Thu, Nov 10, 2016 at 08:33:12PM +0000, Rostislav Pehlivanov wrote: > > On 10 November 2016 at 19:44, Éloi Bail <eloi.b...@savoirfairelinux.com> > > wrote: > > > > > Hi all, > > > > > > Media broadcasters tend to move on carriage of live professional media > > > over IP. A group has been set up to recommend a standard for that, and > > > they produced the TR-03. It is only a recommendation, but it should be > > > close enough to what the SMPTE will adopt to start working on it. > > > > > > Radio Canada/CBC, a major Canadian broadcaster, wants to make FFmpeg > > > compatible with TR-03 and SMTPE future standard. > > > > > > Video pixel format is defined in RFC4175 (4.3. Payload Data) for YCbCr > > > format video. According to the discussion we had on #ffmpeg-devel > > > yesterday, lots of those pixel formats are not supported in FFmpeg. > > > These pixel formats are designed to group together all the samples of a > > > pixel group. > > > > > > > > Conversions and the formats already exist in another repository: > > https://github.com/kierank/ffmpeg-sdi > > Explaining what pixel packing formats are to us is like preaching to the > > choir. > > > > > > > A solution would be to repack the samples into a compatible format, eg. > > > planar. Repacking samples seems not to be an appropriate solution > > > because it has an impact on performance, specially dealing with high > > > resolution uncompressed streams. > > > > > > We would like to contribute to FFmpeg by adding the support of those > pixel > > > formats and thus make FFmpeg usable for the next generation of > > > broadcasting products. > > > > > > > This paragraph almost made me vomit and use swear words in this email. We > > don't need more broadcasting shit in ffmpeg. > > please try to stay polite. > this tone of this mail is definitly not how you should reply to > someone wanting to contribute and asking a question about it > > > [...] > > -- > Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB > > In a rich man's house there is no place to spit but his face. > -- Diogenes of Sinope > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > Sorry, I was very hasty and didn't pick my words right. I didn't mean to offend anyone nor to start a war. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
