[FFmpeg-trac] #7940(undetermined:new): FFMETADATA fails to create a CTOC frame when adding chapters to MP3 files.
FFmpeg
trac at avcodec.org
Tue Jun 4 18:19:19 EEST 2019
#7940: FFMETADATA fails to create a CTOC frame when adding chapters to MP3 files.
-------------------------------------+-------------------------------------
Reporter: yknivag | Owner:
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by yknivag):
I can't provide the file here as the 2.5MB upload limit makes it
impossible to upload any mp3 long enough for a demonstration of chapter
functionality. I have instead made available a folder on Google Drive
(https://drive.google.com/drive/folders/1tkqpc0xeIrh1uwucn2tXAO1vx5o-
ogEC?usp=sharing) containing:
* The original mp3 file (no chapter metadata)
* The desired metadata
* The `ffmetadata` file (generated based on the documentation referred to
in the original report)
* The `ffmpeg` command and output
* The mp3 file post processing with ffmpeg (containing the `CHAP` frames
but no `CTOC`
* An mp3 file containing also the `CTOC` frame, and
* The python file used to add that `CTOC` frame.
I hope this provides all the information required.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7940#comment:2>
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