WebAudioMediaCodecBridge.java revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7
1a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 2c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// found in the LICENSE file. 4c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 5c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)package org.chromium.media; 6c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 7c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import android.content.Context; 8c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import android.media.MediaCodec; 9c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import android.media.MediaCodec.BufferInfo; 10c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import android.media.MediaExtractor; 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import android.media.MediaFormat; 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)import android.os.ParcelFileDescriptor; 13c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import android.util.Log; 14c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 15c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import org.chromium.base.CalledByNative; 16c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)import org.chromium.base.JNINamespace; 17c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 18a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)import java.io.File; 19a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)import java.nio.ByteBuffer; 20a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 21c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)@JNINamespace("media") 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)class WebAudioMediaCodecBridge { 23c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) static final String LOG_TAG = "WebAudioMediaCodec"; 24c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // TODO(rtoy): What is the correct timeout value for reading 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // from a file in memory? 26c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) static final long TIMEOUT_MICROSECONDS = 500; 27c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) @CalledByNative 28868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) private static String CreateTempFile(Context ctx) throws java.io.IOException { 29868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) File outputDirectory = ctx.getCacheDir(); 30868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) File outputFile = File.createTempFile("webaudio", ".dat", outputDirectory); 31868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return outputFile.getAbsolutePath(); 32868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 33868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 34868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) @CalledByNative 35c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private static boolean decodeAudioFile(Context ctx, 36f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) long nativeMediaCodecBridge, 37c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int inputFD, 38c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) long dataSize) { 39c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 40c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (dataSize < 0 || dataSize > 0x7fffffff) 41c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 42c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 43c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) MediaExtractor extractor = new MediaExtractor(); 44c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 45c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ParcelFileDescriptor encodedFD; 46c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) encodedFD = ParcelFileDescriptor.adoptFd(inputFD); 47c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) try { 48c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) extractor.setDataSource(encodedFD.getFileDescriptor(), 0, dataSize); 49c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } catch (Exception e) { 50c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) e.printStackTrace(); 51c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) encodedFD.detachFd(); 52c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 53c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 54c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 55c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (extractor.getTrackCount() <= 0) { 56c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) encodedFD.detachFd(); 57c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 58c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 59c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 60c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) MediaFormat format = extractor.getTrackFormat(0); 61c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 62ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch // Number of channels specified in the file 63ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int inputChannelCount = format.getInteger(MediaFormat.KEY_CHANNEL_COUNT); 64ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch 65ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch // Number of channels the decoder will provide. (Not 66ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch // necessarily the same as inputChannelCount. See 67ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch // crbug.com/266006.) 68ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int outputChannelCount = inputChannelCount; 69ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch 70c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int sampleRate = format.getInteger(MediaFormat.KEY_SAMPLE_RATE); 71c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) String mime = format.getString(MediaFormat.KEY_MIME); 72c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 73c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) long durationMicroseconds = 0; 74c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (format.containsKey(MediaFormat.KEY_DURATION)) { 75c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) try { 76c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) durationMicroseconds = format.getLong(MediaFormat.KEY_DURATION); 77c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } catch (Exception e) { 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) Log.d(LOG_TAG, "Cannot get duration"); 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 80c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 81c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the duration is too long, set to 0 to force the caller 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // not to preallocate space. See crbug.com/326856. 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // FIXME: What should be the limit? We're arbitrarily using 855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // about 2148 sec (35.8 min). 865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (durationMicroseconds > 0x7fffffff) { 875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) durationMicroseconds = 0; 885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 901e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) Log.d(LOG_TAG, "Initial: Tracks: " + extractor.getTrackCount() + 911e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) " Format: " + format); 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 93c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Create decoder 94a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) MediaCodec codec; 95a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) try { 96a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) codec = MediaCodec.createDecoderByType(mime); 97a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } catch (Exception e) { 98a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) Log.w(LOG_TAG, "Failed to create MediaCodec for mime type: " + mime); 99a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) encodedFD.detachFd(); 100a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return false; 101a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 102a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 103c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec.configure(format, null /* surface */, null /* crypto */, 0 /* flags */); 104c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec.start(); 105c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 106c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ByteBuffer[] codecInputBuffers = codec.getInputBuffers(); 107c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ByteBuffer[] codecOutputBuffers = codec.getOutputBuffers(); 108c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 109c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // A track must be selected and will be used to read samples. 110c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) extractor.selectTrack(0); 111c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 112c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) boolean sawInputEOS = false; 113c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) boolean sawOutputEOS = false; 1141e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) boolean destinationInitialized = false; 115c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 116c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Keep processing until the output is done. 117c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) while (!sawOutputEOS) { 118c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!sawInputEOS) { 119c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Input side 120c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int inputBufIndex = codec.dequeueInputBuffer(TIMEOUT_MICROSECONDS); 121c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 122c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (inputBufIndex >= 0) { 123c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ByteBuffer dstBuf = codecInputBuffers[inputBufIndex]; 124c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int sampleSize = extractor.readSampleData(dstBuf, 0); 125c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) long presentationTimeMicroSec = 0; 126c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 127c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (sampleSize < 0) { 128c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) sawInputEOS = true; 129c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) sampleSize = 0; 130c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } else { 131c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) presentationTimeMicroSec = extractor.getSampleTime(); 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 133c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 134c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec.queueInputBuffer(inputBufIndex, 135c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 0, /* offset */ 136c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) sampleSize, 137c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) presentationTimeMicroSec, 138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) sawInputEOS ? MediaCodec.BUFFER_FLAG_END_OF_STREAM : 0); 139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!sawInputEOS) { 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) extractor.advance(); 142c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 144c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 145c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Output side 147c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) MediaCodec.BufferInfo info = new BufferInfo(); 148c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) final int outputBufIndex = codec.dequeueOutputBuffer(info, TIMEOUT_MICROSECONDS); 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 150c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (outputBufIndex >= 0) { 151c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ByteBuffer buf = codecOutputBuffers[outputBufIndex]; 152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1531e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (!destinationInitialized) { 1541e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // Initialize the destination as late as possible to 1551e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // catch any changes in format. But be sure to 1561e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // initialize it BEFORE we send any decoded audio, 1571e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // and only initialize once. 1581e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) Log.d(LOG_TAG, "Final: Rate: " + sampleRate + 1591e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) " Channels: " + inputChannelCount + 1601e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) " Mime: " + mime + 1611e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) " Duration: " + durationMicroseconds + " microsec"); 1621e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) nativeInitializeDestination(nativeMediaCodecBridge, 1641e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) inputChannelCount, 1651e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) sampleRate, 1661e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) durationMicroseconds); 1671e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) destinationInitialized = true; 1681e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 1691e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1701e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (destinationInitialized && info.size > 0) { 171ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch nativeOnChunkDecoded(nativeMediaCodecBridge, buf, info.size, 172ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch inputChannelCount, outputChannelCount); 173c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 174c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 175c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) buf.clear(); 176c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec.releaseOutputBuffer(outputBufIndex, false /* render */); 177c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 178c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if ((info.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM) != 0) { 179c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) sawOutputEOS = true; 180c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 181c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } else if (outputBufIndex == MediaCodec.INFO_OUTPUT_BUFFERS_CHANGED) { 182c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codecOutputBuffers = codec.getOutputBuffers(); 183ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch } else if (outputBufIndex == MediaCodec.INFO_OUTPUT_FORMAT_CHANGED) { 184ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch MediaFormat newFormat = codec.getOutputFormat(); 185ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch outputChannelCount = newFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT); 1861e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) sampleRate = newFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE); 187ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch Log.d(LOG_TAG, "output format changed to " + newFormat); 188c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 189c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 190c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 191c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) encodedFD.detachFd(); 192c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 193c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec.stop(); 194c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec.release(); 195c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) codec = null; 196c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 197c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return true; 198c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 199c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 200c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private static native void nativeOnChunkDecoded( 201f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) long nativeWebAudioMediaCodecBridge, ByteBuffer buf, int size, 202ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int inputChannelCount, int outputChannelCount); 203c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 204c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private static native void nativeInitializeDestination( 205f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) long nativeWebAudioMediaCodecBridge, 206ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch int inputChannelCount, 207c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int sampleRate, 208c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) long durationMicroseconds); 209c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 210