Below is the list of file types, formats and codecs supported by the current version of Bharat Signage USB:
| Type | File name extensions | Supported formats | Notes |
|---|---|---|---|
| Image | jpg, jpeg, png, bmp, gif, webp, svg, heic, heif | JPEG, PNG, Bitmap, GIF, WebP, SVG, HEIC/HEIF | See https://developer.android.com/guide/topics/media/media-formats#image-formats for more details. Files with resolution more than twice the size of the zone are first scaled down, in order to save the memory. Animated GIFs are not supported, only static GIF image will be displayed. |
| Video | mpg, mpeg, avi, mp4, 3gp, mkv, ts, flv, f4v, webm, wmv, m2v, m4v, mov | Usually MPEG-2, MPEG-4, H.264, H.265 | The exact codec and bitrate support is highly dependent on the hardware and support by the manufacturer of the device. |
| Audio | aac, flac, mp3, wav, ogg, mid | AAC, FLAC, MP3, PCM/WAVE, Vorbis, MIDI | See https://developer.android.com/guide/topics/media/media-formats#audio-codecs for more details. |
All pages are displayed one after another | |||
| HTML | html, htm, xhtml | Supported HTML/CSS/JavaScript features depend on the version of Android System WebView app. | |
| Excel | xls, xlsx | Excel 97-2003, Excel 2007 and newer (only on Android 5+) | It is possible to change styling of the table via web interface, menu Settings – Device settings – CSS style for XLS. |
| Webpage link | url | URL link file containing shortcut to web page or text file with single line containing web page URL. Only pages which are successfully loaded are displayed. | |
| Text | txt | Plain text in UTF-8 encoding | For displaying as moving text. |
| RSS | rss, xml | RSS, Atom | With UTF-8 encoding. |
| Stream | - | HTTP/HTTPS/RTSP/RTMP live stream | Support of particular codecs depends on the hardware. |
| Archive | zip, tar, ar | ZIP (Store, Deflate or Deflate64), TAR, AR | Used just for downloading/synchronizing multiple files together. Archive files are always unpacked immediately after upload. |
| Google Docs | - | Google Docs, Google Sheets, Google Slides | Automatically converted to PDF when downloaded to the device directly from Google Drive. Conversion can be adjusted through setting “Google Docs convert settings” |
Bharat Signage USB distinguishes various file types only by the file name extension. If any uploaded file is not displayed, check if its file extension is listed in the table above. File name extension is case-insensitive (doesn’t matter if it is in upper or lower case).