mltframework / mltframework/mlt
Audio not synchronized
Nobody has claimed this yet.
- Dominant language
- C
- Stars
- 1.9k
- Forks
- 387
- Avg merge
- 17h 28m
- Merged PRs (30d)
- 8
Description
Ubuntu 20.04.4 LTS
melt 7.17.0
./melt -profile hdv_720_25
colour:black out=00:01:45.000 length=00:01:45.000
-track
-blank 00:00:00.000 ./test0514.mp4 length=00:01:45.000 in=00:00:00.000 out=00:01:45.000 -attach watermark:+111.txt
-filter resample:rate=48000
-consumer avformat:./test0514_out.mp4 acodec=aac vcodec=libx264 ab=128k
I used the above script, and the sound of test0514.mp4 appeared at 1:14 seconds, while the sound of test0514_out.mp4 appeared at 1:00 seconds。
https://github.com/mltframework/mlt/assets/25631107/640e6885-66a5-411c-b629-b27e5901dcd2
https://github.com/mltframework/mlt/assets/25631107/7f38a7af-f59b-477b-96de-bfcfe2d4f46c
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the provided melt 7.17.0 command on Ubuntu 20.04.4 with test0514.mp4 and compare the input and output audio timing. Done means determining why the output audio begins at 1:00 instead of 1:14 and confirming synchronized output.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, ubuntu
- Domain
- audio-video-rtc
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100