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
25namespace android {
26
27//--------------------------------------------------------------------------------------------------
28AudioToCbRenderer::AudioToCbRenderer(const AudioPlayback_Parameters* params) :
29        AudioSfDecoder(params),
30        mDecodeCbf(NULL),
31        mDecodeUser(NULL)
32{
33    SL_LOGD("AudioToCbRenderer::AudioToCbRenderer()");
34
35}
36
37
38AudioToCbRenderer::~AudioToCbRenderer() {
39    SL_LOGD("AudioToCbRenderer::~AudioToCbRenderer()");
40
41}
42
43void AudioToCbRenderer::setDataPushListener(const data_push_cbf_t pushCbf, CAudioPlayer* pushUser) {
44    mDecodeCbf = pushCbf;
45    mDecodeUser = pushUser;
46}
47
48//--------------------------------------------------
49// Event handlers
50
51void 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
93void AudioToCbRenderer::createAudioSink() {
94    SL_LOGD("AudioToCbRenderer::createAudioSink()");
95}
96
97
98void AudioToCbRenderer::updateAudioSink() {
99    SL_LOGD("AudioToCbRenderer::updateAudioSink()");
100}
101
102
103void AudioToCbRenderer::startAudioSink() {
104    SL_LOGD("AudioToCbRenderer::startAudioSink()");
105}
106
107
108void AudioToCbRenderer::pauseAudioSink() {
109    SL_LOGD("AudioToCbRenderer::pauseAudioSink()");
110}
111
112} // namespace android
113