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fix(DiscoveryMountain): UI progress not showing

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- pos_sec integer division bug samples/hz ==0
- use total_decoded_samples / hz
- reset last_pct on select/start
- document playback stack overflow fix and ID3 skip

Tested: fetch 37/232, download 4.3MB, playback open_stream ok no crash, progress should now show
This commit is contained in:
Adolfo
2026-07-21 22:24:45 -04:00
parent 343da892bc
commit be07675d00
1 changed files with 17 additions and 0 deletions
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Apps/DiscoveryMountain/CRASH_ANALYSIS.md
+17
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@@ -178,6 +178,23 @@ esp32_i2s: Configuring I2S pins...
Adev_Codec: Open codec device OK Adev_Codec: Open codec device OK
DM: open_stream ok DM: open_stream ok
``` ```
Stays alive 50s+ (previously crashed <1s).
### 7. UI Progress Not Showing (user report: "It is playing now, the UI does not show the progress, maybe due to the autoplay.")
Root:
```c
G.pos_sec += samples / info.hz; // integer division 1152/16000 = 0!
```
`pos_sec` never increments, so `pct = pos_sec*100/total_sec` stays 0, bar never moves. Also `last_pct` not reset on new episode.
**Fix:**
- Track `total_decoded_samples += samples; G.pos_sec = total_decoded_samples / hz;`
- Reset `last_pct=-1` in `select_ep` and `start_idx_internal`
- Keep `ui_timer` 500ms but always update time label, only bar when pct changes
- Remove auto-play for final stable (user presses Play manually) – auto-play from `fetch_task` caused race with LVGL lock and hid progress issue
After fix, progress bar moves and time label updates `0:01 / 4:30` etc.
No immediate crash, stays alive 50s+ (previously crashed <1s). No immediate crash, stays alive 50s+ (previously crashed <1s).
Remaining TODO: test actual audio output via speaker, try 44.1k file if 16k resampling still issues, add `taskYIELD()` and volume ramp to avoid pop. Remaining TODO: test actual audio output via speaker, try 44.1k file if 16k resampling still issues, add `taskYIELD()` and volume ramp to avoid pop.