[GOWS] - GIF converted via `sendVideo` (`convert: true`) does not play on Android devices

[rjarsaniya]

Describe the bug

When sending a GIF using the POST /api/sendVideo endpoint with convert: true, the GIF is converted into a video successfully, but the resulting video does not play on Android devices.

The same converted video works correctly on iOS devices.

Version

{
  "version": "2026.3.4",
  "engine": "GOWS",
  "tier": "PLUS"
}

Steps

To Reproduce

1. Call POST /api/sendVideo

2. Send a GIF file with convert: true

3. Receive the converted video on WhatsApp

4. Open the received video on:

   • Android device → video does not play
   • iOS device → video plays correctly

Expected behavior

The converted video should play correctly on both Android and iOS devices.

Requests - Responses

Request

{
  "chatId": "CHATID",
  "file": {
    "mimetype": "image/gif",
    "url": "MEDIA_URL",
    "filename": "media.gif"
  },
  "reply_to": null,
  "session": "SESSIONNAME",
  "caption": "TEXT",
  "convert": true
}

Endpoint

POST /api/sendVideo

Actual behavior

• iOS: converted video works correctly
• Android: converted video is received but cannot be played

Screenshots

Additional context

This issue seems related to the video encoding/format generated during GIF-to-video conversion, which may not be fully compatible with Android WhatsApp clients.

[ecocentauro-git]

+1