Mpeg Encoder

Fast and easy creating of videos from pictures.

Quick Start

Most likely you will need to complete 3 steps:

1). Create and configure the encoder

final MpegEncoder encoder =
        MpegEncoder
                .from(INPUT_BUFFER, WIDTH, HEIGHT)
                .fps(FRAME_RATE).motion(Motion.LOW)
                .to(mOutputFilePath, WIDTH, HEIGHT);

2). Drawing frames loop

for (int i = 0; i < NUM_FRAMES; i++) {
    if (isCancelled()) {
        break;
    }
                            
    try (final InputStream is = mAssetManager.open(fileNames[i])) {
        final Bitmap bitmap = BitmapFactory.decodeStream(is, null, options);
        if (bitmap != null) {
            INPUT_BUFFER.rewind();
            bitmap.copyPixelsToBuffer(INPUT_BUFFER);
        }
    } catch (IOException exception) {
        Log.w(TAG, exception);
    }
    
    encoder.draw();
}

3). Release the encoder's resources

encoder.close();                                       

Summary

The project contains two modules: lib and app.

This solution doesn't use any third-party libraries, except for android.annotations for (@Nullable/@NonNull) and proguard.annotations for easy setup shrinking.

The encoder uses hardware graphics capabilities of the phone, which ensures maximum encoding performance.

All classes and methods are covered by instrumented tests.

MIN SDK - 19

• Total methods in compiled aar: 157
• Total fields in compiled aar: 48
• The file size of compiled aar: 27 762 bytes (27.1KB)

Devices on which development and test were conducted:

• Galaxy S4 mini (API19)
• LG G3 (API19)
• HTC One (M8) (API19)
• Moto E (API19)
• Galaxy Tab Pro 8.4 (API19)
• Xperia Z2(3rd Gen) (API21)
• Galaxy A5 (API21)
• Moto G(1st Gen) (API22)
• Moto G(3rd Gen) (API22)
• Nexus 5 (API22)
• Galaxy J5 (API23)
• Galaxy S3 (API23 - СyanogenMod 14.1)
• Galaxy S7 (API23)
• Xperia Z3 Compact (API23)
• Nexus 9 (API25)
• General AVD's (API21 - API25)

Known issues:

• General AVD (19API)
• Emulator Nexus 5 (22API)
• Galaxy Pocket Duos (19API - CyanogenMod 11)