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@@ -1,130 +0,0 @@
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-package cn.i2edu.dubbing_lib.util;
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-
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-import android.content.Context;
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-
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-
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-import android.media.MediaCodec;
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-import android.media.MediaExtractor;
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-import android.media.MediaFormat;
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-import android.media.MediaMuxer;
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-import android.os.Build;
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-import androidx.annotation.RequiresApi;
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-
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-import java.nio.ByteBuffer;
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-/**
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- * Created by Administrator on 2016/11/24.
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- */
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-
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-public class VideoAudioMixer {
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- private VideoAudioMixListener mListener = null;
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- private Context context;
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-
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- public VideoAudioMixer(Context context) {
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- this.context = context;
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- }
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-
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- public interface VideoAudioMixListener {
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- void mixSuccess();
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-
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- void mixFail(String reason);
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- }
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-
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- public void setListener(VideoAudioMixListener listener) {
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- mListener = listener;
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- }
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-
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- @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
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- public void muxAudioAndVideo(String audioPath, String videoPath, String mixedFilePath) {
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- try {
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- MediaMuxer mMediaMuxer = new MediaMuxer(mixedFilePath,
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- MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
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-
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- // 视频的MediaExtractor
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- MediaExtractor mVideoExtractor = new MediaExtractor();
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- mVideoExtractor.setDataSource(videoPath);
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- int videoTrackIndex = -1;
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- for (int i = 0; i < mVideoExtractor.getTrackCount(); i++) {
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- MediaFormat format = mVideoExtractor.getTrackFormat(i);
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- if (format.getString(MediaFormat.KEY_MIME).startsWith("video/")) {
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- mVideoExtractor.selectTrack(i);
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- videoTrackIndex = mMediaMuxer.addTrack(format);
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- break;
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- }
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- }
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-
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- // 音频的MediaExtractor
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- MediaExtractor mAudioExtractor = new MediaExtractor();
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- mAudioExtractor.setDataSource(audioPath);
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- int audioTrackIndex = -1;
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- for (int i = 0; i < mAudioExtractor.getTrackCount(); i++) {
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- MediaFormat format = mAudioExtractor.getTrackFormat(i);
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- if (format.getString(MediaFormat.KEY_MIME).startsWith("audio/")) {
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- mAudioExtractor.selectTrack(i);
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- audioTrackIndex = mMediaMuxer.addTrack(format);
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- }
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- }
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-
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- // 添加完所有轨道后start
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- mMediaMuxer.start();
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-
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- // 封装视频track
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- if (-1 != videoTrackIndex) {
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- MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
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- info.presentationTimeUs = 0;
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- ByteBuffer buffer = ByteBuffer.allocate(100 * 1024);
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- while (true) {
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- int sampleSize = mVideoExtractor.readSampleData(buffer, 0);
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- if (sampleSize < 0) {
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- break;
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- }
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-
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- info.offset = 0;
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- info.size = sampleSize;
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- info.flags = MediaCodec.BUFFER_FLAG_SYNC_FRAME;
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- info.presentationTimeUs = mVideoExtractor.getSampleTime();
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- mMediaMuxer.writeSampleData(videoTrackIndex, buffer, info);
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-
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- mVideoExtractor.advance();
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- }
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- }
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-
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- // 封装音频track
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- if (-1 != audioTrackIndex) {
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- MediaCodec.BufferInfo info = new MediaCodec.BufferInfo();
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- info.presentationTimeUs = 0;
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- ByteBuffer buffer = ByteBuffer.allocate(100 * 1024);
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- while (true) {
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- int sampleSize = mAudioExtractor.readSampleData(buffer, 0);
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- if (sampleSize < 0) {
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- break;
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- }
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-
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- info.offset = 0;
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- info.size = sampleSize;
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- info.flags = MediaCodec.BUFFER_FLAG_SYNC_FRAME;
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- info.presentationTimeUs = mAudioExtractor.getSampleTime();
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- mMediaMuxer.writeSampleData(audioTrackIndex, buffer, info);
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-
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- mAudioExtractor.advance();
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- }
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- }
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- if (mListener != null) {
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- mListener.mixSuccess();
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- }
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-
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- // 释放MediaExtractor
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- mVideoExtractor.release();
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- mAudioExtractor.release();
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-
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- // 释放MediaMuxer
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- mMediaMuxer.stop();
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- mMediaMuxer.release();
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- } catch (Exception e) {
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- e.printStackTrace();
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- if (mListener != null) {
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- mListener.mixFail(e.toString());
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- }
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- }
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- }
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-
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-}
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i2edu