Comments (4)
ericxtang
commented on July 28, 2024
It turns out the choppiness is not from the timestamp. My computer gets overloaded when running broadcasting AND transcoding at the same time, and that makes the encoder create choppy video.
This is still a problem, just not the most immediate thing to fix.
We could potentially use ffprobe to get the info - https://github.com/BenLubar/video/blob/master/ffprobe.go
And then use ffmpeg to reset the timestamp:
ffmpeg -i input0.ts -copyts -muxdelay 0 -muxpreload 0 -output_ts_offset 0 out0.ts
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dob
commented on July 28, 2024
"that makes the encoder create choppy video"...
Does the encoder actually output "choppy video" that contains errors, or is
it just that you perceive it as choppy when consuming it live because your
computer is overloaded? If the former, that's troubling.
…On Fri, Jun 30, 2017 at 4:51 PM, Eric Tang ***@***.***> wrote:
It turns out the choppiness is not from the timestamp. My computer gets
overloaded when running broadcasting AND transcoding at the same time, and
that makes the encoder create choppy video.
This is still a problem, just not the most immediate thing to fix.
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ericxtang
commented on July 28, 2024
@dob sorry for not being clear - the encoder I'm referring to is for first-time encoding from raw pixels to digital video (OBS or FFMpeg). As far as I can tell, the ffmpeg "transcoder" just changes the resolution for whatever video you pass in - so it'll output choppy videos if you pass in choppy videos.
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j0sh
commented on July 28, 2024
Doing some housekeeping, closing this since it seems to have been a local issue.
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Related Issues (20)
- TestTranscoder_DetectionFreq failing in CI HOT 4
- Transcoding performance issue on specialized hardware HOT 12
- Single IDR frame segment as input HOT 19
- Undefined constant or missing '(' in 'high' error when transcoding certain segments using NETINT HOT 12
- Same number of frames should be in transcoded output HOT 2
- Failing test - potential DNN filter issue HOT 1
- TestTranscoder_FormatOptions fails due to .flv muxer not being available HOT 1
- TestTranscoder_StreamCopyAndDrop fails because of .md5 "muxer" not being available. HOT 1
- There are some audio missed segments during transcoding HOT 3
- B gets some broken mpeg7 hash files when comparison of two hashes HOT 2
- Document HW session re-initialization behavior when switching from no audio to audio segment HOT 1
- P3 - Make sure LPMS works without video HOT 4
- Scaling bugs when using HW encoder HOT 4
- `GetCodecInfo()` returns resolution of 0x0 HOT 2
- Only mark CUDA_ERROR_ILLEGAL_ADDRESS errors as unrecoverable errors HOT 3
- P2 - Add docs for running transcode test using failed segment bucket
- P2 - Clear all segments that can be transcoded from the livepeer-production-failed-transcodes bucket HOT 1
- Add rotation step after decoder and before outputs video filtergrapth HOT 3
- LPMS_USE_NEW_TRANSCODE places sentinel frames in output HOT 1
- Transcoder produces corrupt frames HOT 1
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