[mythtv-users] Lean Front
James
jam at tigger.ws
Mon Jan 16 23:22:58 UTC 2023
> On 17 Jan 2023, at 6:46 am, Peter Bennett <pb.mythtv at gmail.com> wrote:
>
>
> On 1/16/23 16:48, James wrote:
>>
>>> On 15 Jan 2023, at 10:33 pm, Peter Bennett <pb.mythtv at 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
> mkvmerge will accept mp4 files, ts files, almost any video format as input. It produces mkv output, and you can use the mkv file as a video or recording in mythtv.
>>
>> [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
> The ffmeg log shows that it is a ts file that has been renamed to mp4. This is ok, most players including mythfrontend and leanfront will detect the correct file type and play it.
>> 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
"My name is John Weatherington Wells
I'm a dealer in Magic and Spells" (Obscure reference to Gilbert and Sulivan)
I took my mp4 with lip sync issues, did mkvmerge on it and voila perfect sync, So Peter you showed me how to save hours messing with shotcut. Thanks.
James
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