android_AudioToCbRenderer.cpp revision 13837cf3f7be0eb8b1a9552bd99a89f98c987720
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define USE_LOG SLAndroidLogLevel_Verbose 18 19#include "sles_allinclusive.h" 20 21namespace android { 22 23//-------------------------------------------------------------------------------------------------- 24AudioToCbRenderer::AudioToCbRenderer(AudioPlayback_Parameters* params) : AudioSfDecoder(params), 25 mDecodeCbf(NULL), 26 mDecodeUser(NULL) 27{ 28 SL_LOGI("AudioToCbRenderer::AudioToCbRenderer()"); 29 30} 31 32 33AudioToCbRenderer::~AudioToCbRenderer() { 34 SL_LOGI("AudioToCbRenderer::~AudioToCbRenderer()"); 35 36} 37 38void AudioToCbRenderer::setDataPushListener(const data_push_cbf_t pushCbf, void* pushUser) { 39 mDecodeCbf = pushCbf; 40 mDecodeUser = pushUser; 41} 42 43//-------------------------------------------------- 44// Event handlers 45void AudioToCbRenderer::onPrepare() { 46 SL_LOGI("AudioToCbRenderer::onPrepare()"); 47 AudioSfDecoder::onPrepare(); 48 SL_LOGI("AudioToCbRenderer::onPrepare() done, mStateFlags=0x%x", mStateFlags); 49} 50 51 52void AudioToCbRenderer::onRender() { 53 SL_LOGV("AudioToCbRenderer::onRender"); 54 55 Mutex::Autolock _l(mDecodeBufferLock); 56 57 if (NULL == mDecodeBuffer) { 58 // nothing to render, move along 59 //SL_LOGV("AudioToCbRenderer::onRender NULL buffer, exiting"); 60 return; 61 } 62 63 if (mStateFlags & kFlagPlaying) { 64 if (NULL != mDecodeCbf) { 65 size_t full = mDecodeBuffer->range_length(); 66 size_t consumed = 0; 67 size_t offset = 0; 68 while (offset < full) { 69 consumed = mDecodeCbf( 70 (const uint8_t *)mDecodeBuffer->data() 71 + offset + mDecodeBuffer->range_offset(), 72 mDecodeBuffer->range_length() - offset, 73 mDecodeUser); 74 offset += consumed; 75 //SL_LOGV("consumed=%lu, offset=%lu, full=%lu", consumed, offset, full); 76 if (consumed == 0) { 77 // decoded data is not being consumed, skip this buffer 78 break; 79 } 80 } 81 } 82 (new AMessage(kWhatDecode, id()))->post(); 83 } 84 85 mDecodeBuffer->release(); 86 mDecodeBuffer = NULL; 87} 88 89 90//-------------------------------------------------- 91// Audio output 92void AudioToCbRenderer::createAudioSink() { 93 SL_LOGI("AudioToCbRenderer::createAudioSink()"); 94 SL_LOGV("sample rate = %d nb channels = %d", mSampleRateHz, mNumChannels); 95} 96 97 98void AudioToCbRenderer::updateAudioSink() { 99 SL_LOGI("AudioToCbRenderer::updateAudioSink()"); 100 if (mAudioSource != 0) { 101 sp<MetaData> meta = mAudioSource->getFormat(); 102 103 SL_LOGV("old sample rate = %d", mSampleRateHz); 104 CHECK(meta->findInt32(kKeyChannelCount, &mNumChannels)); 105 CHECK(meta->findInt32(kKeySampleRate, &mSampleRateHz)); 106 SL_LOGV("new sample rate = %d", mSampleRateHz); 107 108 } 109} 110 111 112void AudioToCbRenderer::startAudioSink() { 113 SL_LOGI("AudioToCbRenderer::startAudioSink()"); 114} 115 116 117void AudioToCbRenderer::pauseAudioSink() { 118 SL_LOGI("AudioToCbRenderer::pauseAudioSink()"); 119} 120 121} // namespace android 122