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