mpv don't show audio tracks' titles in mp4 files
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meta:feature-request
scripting:osc
- Dominant language
- C
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Description
Important Information
- mpv version: v0.33.0
- macOS Version: 10.14.6
- Source of the mpv binary
Reproduction steps
Open the sample file, then call Playback - Show tracks.
I haven't a config file.
Expected behavior
Showing audio track's titles like in VLC, MediaInfo.
Actual behavior
mpv don't show audio tracks' titles in mp4 files.
What I see in mpv:

And what I see in MediaInfo (I've set off track titles — MVO and ORT):

VLC also shows track titles:

Log file
Sample files
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 opening the linked sample file in mpv and using Playback - Show tracks, then review the linked log file alongside the behavior reported in VLC and MediaInfo. Done means the audio track titles from the MP4/M4V sample are displayed by mpv.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- audio-video-rtc
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100