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45 lines
1.3 KiB
45 lines
1.3 KiB
package com.frank.ffmpeg;
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import android.media.AudioFormat;
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import android.media.AudioManager;
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import android.media.AudioTrack;
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/**
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* 音视频播放器
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* Created by frank on 2018/2/12.
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*/
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public class MediaPlayer {
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static {
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System.loadLibrary("media-handle");
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}
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public native int setup(String filePath, Object surface);
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public native int play();
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public native void release();
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/**
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* 创建一个AudioTrack对象
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* @param sampleRate 采样率
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* @param channels 声道布局
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* @return AudioTrack
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*/
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public AudioTrack createAudioTrack(int sampleRate, int channels){
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int audioFormat = AudioFormat.ENCODING_PCM_16BIT;
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int channelConfig;
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if(channels == 1){
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channelConfig = android.media.AudioFormat.CHANNEL_OUT_MONO;
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}else if(channels == 2){
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channelConfig = android.media.AudioFormat.CHANNEL_OUT_STEREO;
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}else{
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channelConfig = android.media.AudioFormat.CHANNEL_OUT_STEREO;
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}
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int bufferSizeInBytes = AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat);
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return new AudioTrack(AudioManager.STREAM_MUSIC, sampleRate, channelConfig, audioFormat,
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bufferSizeInBytes, AudioTrack.MODE_STREAM);
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}
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}
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