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