android_AudioToCbRenderer.cpp revision 54cad4f35a090a06e655fcc9e072e1d38f9e7689
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#include "android/android_AudioToCbRenderer.h" 21 22#include <media/stagefright/foundation/ADebug.h> 23 24namespace android { 25 26//-------------------------------------------------------------------------------------------------- 27AudioToCbRenderer::AudioToCbRenderer(AudioPlayback_Parameters* params) : AudioSfDecoder(params), 28 mDecodeCbf(NULL), 29 mDecodeUser(NULL) 30{ 31 SL_LOGD("AudioToCbRenderer::AudioToCbRenderer()"); 32 33} 34 35 36AudioToCbRenderer::~AudioToCbRenderer() { 37 SL_LOGD("AudioToCbRenderer::~AudioToCbRenderer()"); 38 39} 40 41void AudioToCbRenderer::setDataPushListener(const data_push_cbf_t pushCbf, void* pushUser) { 42 mDecodeCbf = pushCbf; 43 mDecodeUser = pushUser; 44} 45 46//-------------------------------------------------- 47// Event handlers 48void AudioToCbRenderer::onPrepare() { 49 SL_LOGD("AudioToCbRenderer::onPrepare()"); 50 AudioSfDecoder::onPrepare(); 51 SL_LOGD("AudioToCbRenderer::onPrepare() done, mStateFlags=0x%x", mStateFlags); 52} 53 54 55void AudioToCbRenderer::onRender() { 56 SL_LOGV("AudioToCbRenderer::onRender"); 57 58 Mutex::Autolock _l(mBufferSourceLock); 59 60 if (NULL == mDecodeBuffer) { 61 // nothing to render, move along 62 //SL_LOGV("AudioToCbRenderer::onRender NULL buffer, exiting"); 63 return; 64 } 65 66 if (mStateFlags & kFlagPlaying) { 67 if (NULL != mDecodeCbf) { 68 size_t full = mDecodeBuffer->range_length(); 69 size_t consumed = 0; 70 size_t offset = 0; 71 while (offset < full) { 72 consumed = mDecodeCbf( 73 (const uint8_t *)mDecodeBuffer->data() 74 + offset + mDecodeBuffer->range_offset(), 75 mDecodeBuffer->range_length() - offset, 76 mDecodeUser); 77 offset += consumed; 78 //SL_LOGV("consumed=%u, offset=%u, full=%u", consumed, offset, full); 79 if (consumed == 0) { 80 // decoded data is not being consumed, skip this buffer 81 break; 82 } 83 } 84 } 85 (new AMessage(kWhatDecode, id()))->post(); 86 } 87 88 mDecodeBuffer->release(); 89 mDecodeBuffer = NULL; 90} 91 92 93//-------------------------------------------------- 94// Audio output 95void AudioToCbRenderer::createAudioSink() { 96 SL_LOGD("AudioToCbRenderer::createAudioSink() sample rate = %d, nb channels = %d", 97 mSampleRateHz, mChannelCount); 98} 99 100 101void AudioToCbRenderer::updateAudioSink() { 102 SL_LOGD("AudioToCbRenderer::updateAudioSink()"); 103} 104 105 106void AudioToCbRenderer::startAudioSink() { 107 SL_LOGD("AudioToCbRenderer::startAudioSink()"); 108} 109 110 111void AudioToCbRenderer::pauseAudioSink() { 112 SL_LOGD("AudioToCbRenderer::pauseAudioSink()"); 113} 114 115} // namespace android 116