The MOV issue I am working on is likely an issue with our framework. I hope to have this resolved soon.
Assuming MOV works, we still would like to use MP4 with AMR NB/WB. What is the difficulty with enabling this? Seems it has been updated to accept Opus recently. Bob On Fri, May 19, 2017 at 10:19 AM, Bob Kirnum <bkir...@gmail.com> wrote: > I tried adding support for MOV to see if I could use unpatched FFmpeg > libraries. Although both AMR-NB and AMR-WB do appear to record to MOV, > neither result plays properly using QuickTime or Windows 'Movies & TV' > app. The MOV (H.264 / AMR-NB) sometimes audio plays, sometimes video. > Appears that the MOV contains two moov atoms, one for audio one for video. > Similar is true for AMR-WB, however, there is never audio as QuickTime and > Windows app do not support AMR-WB. > > I also tried both MP4 and MOV using linear PCM (s16le @ 16 kHz). MP4 > rejects the codec, MOV seems to have a similar issue as AMR, only video > plays. > > I am using the exact same code as we use for MP4 so I am not sure what we > are doing wrong. Any suggestions for how to debug this? > > The recorded files are here . . . > > https://drive.google.com/open?id=0B-TtYdUjPHBmM29uWkU4aHdReE0 > > big-buck-bunny_trailer.h264_s16le.mov > big-buck-bunny_trailer.h264_amrnb.mov > big-buck-bunny_trailer.h264_amrwb.mov > > Thanks, > Bob > > On Thu, May 18, 2017 at 8:34 AM, Bob Kirnum <bkir...@gmail.com> wrote: > >> Hey Carl, >> >> I am not aware of non-FFmpeg apps which can record to MP4 containing >> AMR. That's not to say one does not exist. >> >> I would agree that we likely need no changes for playing these MP4 files. >> >> The MP4 requirement was from one of our customers. >> >> Thanks, >> Bob >> >> On Wed, May 17, 2017 at 8:01 PM, Carl Eugen Hoyos <ceffm...@gmail.com> >> wrote: >> >>> 2017-05-17 23:26 GMT+02:00 Bob Kirnum <bkir...@gmail.com>: >>> > Did not realize the files I shared were too large. I copied them to a >>> > shared Google Drive here . . . >>> >>> The question was if you have files that were not created with FFmpeg. >>> >>> Anyway: Since both files can be decoded with unpatched FFmpeg, I >>> assume the demuxing hunk of your patch is unneeded, correct? >>> >>> Any reason why you cannot use mov for muxing? >>> >>> Carl Eugen >>> _______________________________________________ >>> ffmpeg-devel mailing list >>> ffmpeg-devel@ffmpeg.org >>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel >>> >> >> > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
