1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//#define LOG_NDEBUG 0
#define LOG_TAG "NuPlayerDecoderBase"
#include <utils/Log.h>
#include <inttypes.h>
#include "NuPlayerDecoderBase.h"
#include "NuPlayerRenderer.h"
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AMessage.h>
namespace android {
NuPlayer::DecoderBase::DecoderBase(const sp<AMessage> ¬ify)
: mNotify(notify),
mBufferGeneration(0),
mPaused(false),
mStats(new AMessage),
mRequestInputBuffersPending(false) {
// Every decoder has its own looper because MediaCodec operations
// are blocking, but NuPlayer needs asynchronous operations.
mDecoderLooper = new ALooper;
mDecoderLooper->setName("NPDecoder");
mDecoderLooper->start(false, false, ANDROID_PRIORITY_AUDIO);
}
NuPlayer::DecoderBase::~DecoderBase() {
mDecoderLooper->unregisterHandler(id());
mDecoderLooper->stop();
}
static
status_t PostAndAwaitResponse(
const sp<AMessage> &msg, sp<AMessage> *response) {
status_t err = msg->postAndAwaitResponse(response);
if (err != OK) {
return err;
}
if (!(*response)->findInt32("err", &err)) {
err = OK;
}
return err;
}
void NuPlayer::DecoderBase::configure(const sp<AMessage> &format) {
sp<AMessage> msg = new AMessage(kWhatConfigure, this);
msg->setMessage("format", format);
msg->post();
}
void NuPlayer::DecoderBase::init() {
mDecoderLooper->registerHandler(this);
}
void NuPlayer::DecoderBase::setParameters(const sp<AMessage> ¶ms) {
sp<AMessage> msg = new AMessage(kWhatSetParameters, this);
msg->setMessage("params", params);
msg->post();
}
void NuPlayer::DecoderBase::setRenderer(const sp<Renderer> &renderer) {
sp<AMessage> msg = new AMessage(kWhatSetRenderer, this);
msg->setObject("renderer", renderer);
msg->post();
}
void NuPlayer::DecoderBase::pause() {
sp<AMessage> msg = new AMessage(kWhatPause, this);
sp<AMessage> response;
PostAndAwaitResponse(msg, &response);
}
status_t NuPlayer::DecoderBase::getInputBuffers(Vector<sp<ABuffer> > *buffers) const {
sp<AMessage> msg = new AMessage(kWhatGetInputBuffers, this);
msg->setPointer("buffers", buffers);
sp<AMessage> response;
return PostAndAwaitResponse(msg, &response);
}
void NuPlayer::DecoderBase::signalFlush() {
(new AMessage(kWhatFlush, this))->post();
}
void NuPlayer::DecoderBase::signalResume(bool notifyComplete) {
sp<AMessage> msg = new AMessage(kWhatResume, this);
msg->setInt32("notifyComplete", notifyComplete);
msg->post();
}
void NuPlayer::DecoderBase::initiateShutdown() {
(new AMessage(kWhatShutdown, this))->post();
}
void NuPlayer::DecoderBase::onRequestInputBuffers() {
if (mRequestInputBuffersPending) {
return;
}
// doRequestBuffers() return true if we should request more data
if (doRequestBuffers()) {
mRequestInputBuffersPending = true;
sp<AMessage> msg = new AMessage(kWhatRequestInputBuffers, this);
msg->post(10 * 1000ll);
}
}
void NuPlayer::DecoderBase::onMessageReceived(const sp<AMessage> &msg) {
switch (msg->what()) {
case kWhatConfigure:
{
sp<AMessage> format;
CHECK(msg->findMessage("format", &format));
onConfigure(format);
break;
}
case kWhatSetParameters:
{
sp<AMessage> params;
CHECK(msg->findMessage("params", ¶ms));
onSetParameters(params);
break;
}
case kWhatSetRenderer:
{
sp<RefBase> obj;
CHECK(msg->findObject("renderer", &obj));
onSetRenderer(static_cast<Renderer *>(obj.get()));
break;
}
case kWhatPause:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
mPaused = true;
(new AMessage)->postReply(replyID);
break;
}
case kWhatGetInputBuffers:
{
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
Vector<sp<ABuffer> > *dstBuffers;
CHECK(msg->findPointer("buffers", (void **)&dstBuffers));
onGetInputBuffers(dstBuffers);
(new AMessage)->postReply(replyID);
break;
}
case kWhatRequestInputBuffers:
{
mRequestInputBuffersPending = false;
onRequestInputBuffers();
break;
}
case kWhatFlush:
{
onFlush();
break;
}
case kWhatResume:
{
int32_t notifyComplete;
CHECK(msg->findInt32("notifyComplete", ¬ifyComplete));
onResume(notifyComplete);
break;
}
case kWhatShutdown:
{
onShutdown(true);
break;
}
default:
TRESPASS();
break;
}
}
void NuPlayer::DecoderBase::handleError(int32_t err)
{
// We cannot immediately release the codec due to buffers still outstanding
// in the renderer. We signal to the player the error so it can shutdown/release the
// decoder after flushing and increment the generation to discard unnecessary messages.
++mBufferGeneration;
sp<AMessage> notify = mNotify->dup();
notify->setInt32("what", kWhatError);
notify->setInt32("err", err);
notify->post();
}
} // namespace android
|
