> On 15 Jan 2023, at 10:33 pm, Peter Bennett <pb.mythtv@gmail.com> wrote:
>
> There is a failure in playback, likely caused by some sort of corruption in the file. Is it a recording or a video? Does it
> happen with all recordings?
Every other recording I have tried works perfectly
> The message does not indicate an unsupported format. If you play an unsupported format video, you get a blank screen with audio only.
>
> Please open an issue in github and supply a sample video. I suggest you use google drive or a similar service to upload the video and add a link to the issue. I will take a look and see what the problem is
I'm not sure there is an issue yet.
The recording plays fine on my other backends.
mythffprobe does no bitching
libavutil 56. 70.100 / 56. 70.100
libavcodec 58.134.100 / 58.134.100
libavformat 58. 76.100 / 58. 76.100
libavdevice 58. 13.100 / 58. 13.100
libavfilter 7.110.100 / 7.110.100
libswscale 5. 9.100 / 5. 9.100
libswresample 3. 9.100 / 3. 9.100
libpostproc 55. 9.100 / 55. 9.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/store/Movies/Myth-F/The Father.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2avc1mp41
encoder : Lavf58.76.100
Duration: 01:27:57.65, start: 0.000000, bitrate: 2551 kb/s
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 2287 kb/s, 49.96 fps, 50 tbr, 90k tbn, 50 tbc (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:1(eng): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 255 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
> . You can also try the suggestions in the documentation to reformat the file using ffmpeg or mkvmerge. See the section "Problems" in https://github.com/bennettpeter/android-MythTV-Leanfront#readme. The reformat is very quick and does not re-encode the video.
I recovered the recording (undelete)
mkvmerge won't work with mk4 files
the ffmpeg works, complains, and wont play-back
[h264 @ 0x25609c0] mmco: unref short failure
Last message repeated 1 times
[h264 @ 0x25609c0] number of reference frames (0+5) exceeds max (4; probably corrupt input), discarding one
[h264 @ 0x25609c0] mmco: unref short failure
Last message repeated 1 times
Input #0, mpegts, from '/store/Movies/outputfile.mp4':
Duration: 01:27:57.65, start: 1.400000, bitrate: 2686 kb/s
Stream #0:0[0x100]: Video: h264 (High), yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 50 tbr, 90k tbn, 50 tbc
Stream #0:1[0x101](eng): Audio: mp2, 48000 Hz, stereo, fltp, 256 kb/s
Thanks for the help. I'll see if I can resolve the issue which is *certain* to be some funny in their encoding
For Example
This recording is 720 but my transcode fails, I have to transcode with my h264cut.sh
Then 100s or 1000s of cuts work perfectly in mythfrontend and in VLC.
A few, including this one, work perfectly in mythfrontend but have 70ish mS lip sync in vlc.
Clearly I have some learning to do
James
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