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