protected void setTranscodeParameters(MediaComposer mediaComposer) throws IOException {
mediaComposer.addSourceFile(mediaUri1);
mediaComposer.setTargetFile(dstMediaPath);
configureVideoEncoder(mediaComposer, videoWidthOut, videoHeightOut);
configureAudioEncoder(mediaComposer);
}
protected void transcode() throws Exception {
factory = new AndroidMediaObjectFactory(getApplicationContext());
mediaComposer = new MediaComposer(factory, progressListener);
setTranscodeParameters(mediaComposer);
mediaComposer.start();
}
@Override
protected void onDestroy() {
if (mediaComposer != null) {
mediaComposer.stop();
isStopped = true;
}
super.onDestroy();
}
protected void configureAudioEncoder(MediaComposer mediaComposer) {
AudioFormatAndroid audioFormat =
new AudioFormatAndroid(audioMimeType, audioSampleRate, audioChannelCount);
audioFormat.setAudioBitrateInBytes(audioBitRate);
audioFormat.setAudioProfile(MediaCodecInfo.CodecProfileLevel.AACObjectLC);
mediaComposer.setTargetAudioFormat(audioFormat);
}
protected void configureVideoEncoder(MediaComposer mediaComposer, int width, int height) {
VideoFormatAndroid videoFormat = new VideoFormatAndroid(videoMimeType, width, height);
videoFormat.setVideoBitRateInKBytes(videoBitRateInKBytes);
videoFormat.setVideoFrameRate(videoFrameRate);
videoFormat.setVideoIFrameInterval(videoIFrameInterval);
mediaComposer.setTargetVideoFormat(videoFormat);
}
public void stopTranscode() {
mediaComposer.stop();
}