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
232
233
234
235
236
237
238
239
|
/*
* Copyright (C) 2013 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_TAG "Camera3-InputStream"
#define ATRACE_TAG ATRACE_TAG_CAMERA
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <utils/Trace.h>
#include "Camera3InputStream.h"
namespace android {
namespace camera3 {
Camera3InputStream::Camera3InputStream(int id,
uint32_t width, uint32_t height, int format) :
Camera3IOStreamBase(id, CAMERA3_STREAM_INPUT, width, height,
/*maxSize*/0, format) {
if (format == HAL_PIXEL_FORMAT_BLOB) {
ALOGE("%s: Bad format, BLOB not supported", __FUNCTION__);
mState = STATE_ERROR;
}
}
Camera3InputStream::~Camera3InputStream() {
disconnectLocked();
}
status_t Camera3InputStream::getInputBufferLocked(
camera3_stream_buffer *buffer) {
ATRACE_CALL();
status_t res;
// FIXME: will not work in (re-)registration
if (mState == STATE_IN_CONFIG || mState == STATE_IN_RECONFIG) {
ALOGE("%s: Stream %d: Buffer registration for input streams"
" not implemented (state %d)",
__FUNCTION__, mId, mState);
return INVALID_OPERATION;
}
if ((res = getBufferPreconditionCheckLocked()) != OK) {
return res;
}
ANativeWindowBuffer* anb;
int fenceFd;
assert(mConsumer != 0);
BufferItem bufferItem;
res = mConsumer->acquireBuffer(&bufferItem, /*waitForFence*/false);
if (res != OK) {
ALOGE("%s: Stream %d: Can't acquire next output buffer: %s (%d)",
__FUNCTION__, mId, strerror(-res), res);
return res;
}
anb = bufferItem.mGraphicBuffer->getNativeBuffer();
assert(anb != NULL);
fenceFd = bufferItem.mFence->dup();
/**
* FenceFD now owned by HAL except in case of error,
* in which case we reassign it to acquire_fence
*/
handoutBufferLocked(*buffer, &(anb->handle), /*acquireFence*/fenceFd,
/*releaseFence*/-1, CAMERA3_BUFFER_STATUS_OK);
mBuffersInFlight.push_back(bufferItem);
return OK;
}
status_t Camera3InputStream::returnBufferCheckedLocked(
const camera3_stream_buffer &buffer,
nsecs_t timestamp,
bool output,
/*out*/
sp<Fence> *releaseFenceOut) {
(void)timestamp;
(void)output;
ALOG_ASSERT(!output, "Expected output to be false");
status_t res;
bool bufferFound = false;
BufferItem bufferItem;
{
// Find the buffer we are returning
Vector<BufferItem>::iterator it, end;
for (it = mBuffersInFlight.begin(), end = mBuffersInFlight.end();
it != end;
++it) {
const BufferItem& tmp = *it;
ANativeWindowBuffer *anb = tmp.mGraphicBuffer->getNativeBuffer();
if (anb != NULL && &(anb->handle) == buffer.buffer) {
bufferFound = true;
bufferItem = tmp;
mBuffersInFlight.erase(it);
}
}
}
if (!bufferFound) {
ALOGE("%s: Stream %d: Can't return buffer that wasn't sent to HAL",
__FUNCTION__, mId);
return INVALID_OPERATION;
}
if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR) {
if (buffer.release_fence != -1) {
ALOGE("%s: Stream %d: HAL should not set release_fence(%d) when "
"there is an error", __FUNCTION__, mId, buffer.release_fence);
close(buffer.release_fence);
}
/**
* Reassign release fence as the acquire fence incase of error
*/
const_cast<camera3_stream_buffer*>(&buffer)->release_fence =
buffer.acquire_fence;
}
/**
* Unconditionally return buffer to the buffer queue.
* - Fwk takes over the release_fence ownership
*/
sp<Fence> releaseFence = new Fence(buffer.release_fence);
res = mConsumer->releaseBuffer(bufferItem, releaseFence);
if (res != OK) {
ALOGE("%s: Stream %d: Error releasing buffer back to buffer queue:"
" %s (%d)", __FUNCTION__, mId, strerror(-res), res);
}
*releaseFenceOut = releaseFence;
return res;
}
status_t Camera3InputStream::returnInputBufferLocked(
const camera3_stream_buffer &buffer) {
ATRACE_CALL();
return returnAnyBufferLocked(buffer, /*timestamp*/0, /*output*/false);
}
status_t Camera3InputStream::disconnectLocked() {
status_t res;
if ((res = Camera3IOStreamBase::disconnectLocked()) != OK) {
return res;
}
assert(mBuffersInFlight.size() == 0);
/**
* no-op since we can't disconnect the producer from the consumer-side
*/
mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG
: STATE_CONSTRUCTED;
return OK;
}
void Camera3InputStream::dump(int fd, const Vector<String16> &args) const {
(void) args;
String8 lines;
lines.appendFormat(" Stream[%d]: Input\n", mId);
write(fd, lines.string(), lines.size());
Camera3IOStreamBase::dump(fd, args);
}
status_t Camera3InputStream::configureQueueLocked() {
status_t res;
if ((res = Camera3IOStreamBase::configureQueueLocked()) != OK) {
return res;
}
assert(mMaxSize == 0);
assert(camera3_stream::format != HAL_PIXEL_FORMAT_BLOB);
mTotalBufferCount = BufferQueue::MIN_UNDEQUEUED_BUFFERS +
camera3_stream::max_buffers;
mDequeuedBufferCount = 0;
mFrameCount = 0;
if (mConsumer.get() == 0) {
sp<BufferQueue> bq = new BufferQueue();
mConsumer = new BufferItemConsumer(bq, camera3_stream::usage,
mTotalBufferCount);
mConsumer->setName(String8::format("Camera3-InputStream-%d", mId));
}
res = mConsumer->setDefaultBufferSize(camera3_stream::width,
camera3_stream::height);
if (res != OK) {
ALOGE("%s: Stream %d: Could not set buffer dimensions %dx%d",
__FUNCTION__, mId, camera3_stream::width, camera3_stream::height);
return res;
}
res = mConsumer->setDefaultBufferFormat(camera3_stream::format);
if (res != OK) {
ALOGE("%s: Stream %d: Could not set buffer format %d",
__FUNCTION__, mId, camera3_stream::format);
return res;
}
return OK;
}
status_t Camera3InputStream::getEndpointUsage(uint32_t *usage) {
// Per HAL3 spec, input streams have 0 for their initial usage field.
*usage = 0;
return OK;
}
}; // namespace camera3
}; // namespace android
|
