Re: [FFmpeg-devel] Append to fmp4

2019-12-21 Thread Daniel Oberhoff
> Am 19.12.2019 um 22:46 schrieb Jun Li : > > On Thu, Dec 19, 2019 at 4:00 AM Daniel Oberhoff < > danieloberh...@googlemail.com> wrote: > >> Hello. >> >> I have been diving deep into the mp4 spec to understand fragmented mp4. >> From what I understand using moof atoms it is possible, given str

Re: [FFmpeg-devel] Append to fmp4

2019-12-19 Thread Jun Li
On Thu, Dec 19, 2019 at 4:00 AM Daniel Oberhoff < danieloberh...@googlemail.com> wrote: > Hello. > > I have been diving deep into the mp4 spec to understand fragmented mp4. > From what I understand using moof atoms it is possible, given stream > compatibility, to straight append to an mp4 file by

[FFmpeg-devel] Append to fmp4

2019-12-19 Thread Daniel Oberhoff
Hello. I have been diving deep into the mp4 spec to understand fragmented mp4. From what I understand using moof atoms it is possible, given stream compatibility, to straight append to an mp4 file by appending moof+mdat pairs. Can ffmpeg or libavformat be somehow used to achieve that? Gruß! D