Software decoding (SW) forces the CPU to use the newly installed NEON custom codec directly, which often fixes sync issues.
MX Player is built on the FFmpeg library (a open-source multimedia framework). Due to licensing restrictions and patent issues surrounding Dolby and DTS technologies, the official versions of MX Player on the Google Play Store cannot include native support for these codecs. The "Custom Codec" is a legally separate, user-installed add-on that re-integrates this missing audio decoding capability.
Modern Android devices run on 64-bit ARM processors. Using an ARMv8-specific codec ensures the highest efficiency.
Move the downloaded .zip file into your device’s folder.
This is where the comes into play. If you own a modern Android smartphone or tablet (2016–present), this specific file is your golden ticket to transforming MX Player from a standard player into a universal multimedia powerhouse. Mx Player Custom Codec 1.49 0 Armv8 Neon
: This refers to a legacy build of the MX Player custom codec pack . While newer versions like 1.90.1 or 2.7.x exist, 1.49.0 is often kept as a fallback for older MX Player app builds.
On newer versions of Android, the app needs explicit permission to access files on your device's storage. In the MX Player settings, make sure you have granted the "Files and Media" or "Storage" permission. The custom codec file should be placed in a directory the app can read, such as /sdcard/Download/ or /sdcard/Android/data/com.mxtech.videoplayer.pro/files/codec/ for the Pro version.
The safest repository is XDA Developers Forums or the developer’s official GitHub (link found on MX Player’s official XDA thread).
It should now read: "Product version 1.49.0 (ARMv8 NEON)" instead of offering a download hint. Software decoding (SW) forces the CPU to use
If it does not auto-detect, manually browse your folders, navigate to your directory, and tap on the mx_neon64.zip or .so file you grabbed in Step 2. Step 4: Restart and Verify
To configure the codec pack manually without running risky system-level root procedures, use the following local import method:
Follow these steps to safely download and integrate the custom codec into your MX Player application. Step 1: Verify Your Device Architecture
You can install this codec either automatically or manually: Method 1: Automatic Detection Download the mx_aio.zip (All-in-One) or the specific neon64-1.49.0-build_2.zip Save the file to your device's Internal Storage (root folder or Downloads). The "Custom Codec" is a legally separate, user-installed
Before downloading any file, it is important to know what the terms in the filename mean for your device:
| Problem | Solution | |---------|----------| | “Unsupported audio codec” still appears | Re‑select custom codec in settings → Decoder. | | MX Player crashes on video start | Switch to or SW video decoder (tap HW icon on top bar). | | Codec version mismatch | Ensure MX Player app version matches codec version (both 1.49.x). | | “Failed to load custom codec” | You installed wrong architecture (ARMv7 vs ARMv8). |
Users typically download the .zip file for this codec, open MX Player, and when prompted, select the file. MX Player then unpacks the library and utilizes it to play media files that previously showed an error or had no sound.
To use this custom codec with Mx Player, follow these general steps:
This happens because licensing issues forced MX Player to remove native support for certain audio codecs like DTS, Dolby Digital (AC3), and EAC3.