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path: root/aml_screen.cpp (plain)
blob: 560ff65b7584d517ed8e65806f83e7425eeb30ba
1/*
2 * Copyright (C) 2013 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 LOG_NDEBUG 0
18#define LOG_TAG "screen_source"
19#include <hardware/hardware.h>
20#include <hardware/aml_screen.h>
21
22#include <signal.h>
23#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26#include <fcntl.h>
27#include <unistd.h>
28#include <errno.h>
29#include <sys/ioctl.h>
30#include <sys/mman.h>
31#include <sys/select.h>
32#include <linux/videodev2.h>
33#include <sys/time.h>
34
35
36#include <errno.h>
37#include <cutils/log.h>
38#include <cutils/atomic.h>
39
40#include "v4l2_vdin.h"
41
42#ifndef LOGD
43#define LOGD ALOGD
44#endif
45#ifndef LOGV
46#define LOGV ALOGV
47#endif
48#ifndef LOGE
49#define LOGE ALOGE
50#endif
51#ifndef LOGI
52#define LOGI ALOGI
53#endif
54
55static unsigned int gAmlScreenOpen = 0;
56static android::Mutex gAmlScreenLock;
57
58/*****************************************************************************/
59
60static int aml_screen_device_open(const struct hw_module_t* module, const char* name,
61 struct hw_device_t** device);
62
63static struct hw_module_methods_t aml_screen_module_methods = {
64 open: aml_screen_device_open
65};
66
67aml_screen_module_t HAL_MODULE_INFO_SYM = {
68 common: {
69 tag: HARDWARE_MODULE_TAG,
70 version_major: 1,
71 version_minor: 0,
72 id: AML_SCREEN_HARDWARE_MODULE_ID,
73 name: "aml screen source module",
74 author: "Amlogic",
75 methods: &aml_screen_module_methods,
76 dso : NULL,
77 reserved : {0},
78 }
79};
80
81/*****************************************************************************/
82
83static int aml_screen_device_close(struct hw_device_t *dev)
84{
85 android::vdin_screen_source* source = NULL;
86 aml_screen_device_t* ctx = (aml_screen_device_t*)dev;
87
88 android::Mutex::Autolock lock(gAmlScreenLock);
89 if (ctx) {
90 if (ctx->priv){
91 source = (android::vdin_screen_source*)ctx->priv;
92 delete source;
93 source = NULL;
94 }
95 free(ctx);
96 }
97 gAmlScreenOpen--;
98 return 0;
99}
100
101int screen_source_start(struct aml_screen_device* dev)
102{
103 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
104 return source->start();
105}
106
107int screen_source_stop(struct aml_screen_device* dev)
108{
109 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
110 return source->stop();
111}
112
113int screen_source_pause(struct aml_screen_device* dev)
114{
115 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
116 return source->pause();
117}
118
119int screen_source_get_format(struct aml_screen_device* dev)
120{
121 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
122 return source->get_format();
123}
124
125int screen_source_set_format(struct aml_screen_device* dev, int width, int height, int pix_format)
126{
127 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
128
129 if ((width > 0) && (height > 0) && ((pix_format == V4L2_PIX_FMT_NV21) || (pix_format == V4L2_PIX_FMT_YUV420)
130 || (pix_format == V4L2_PIX_FMT_RGB24)
131 || (pix_format == V4L2_PIX_FMT_RGB565X) )) {
132 return source->set_format(width, height, pix_format);
133 } else {
134 return source->set_format();
135 }
136}
137
138int screen_source_set_rotation(struct aml_screen_device* dev, int degree)
139{
140 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
141 return source->set_rotation(degree);
142}
143
144int screen_source_set_crop(struct aml_screen_device* dev, int x, int y, int width, int height)
145{
146 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
147
148 if ((x >= 0) && (y >= 0) && (width > 0) && (height > 0))
149 return source->set_crop(x, y, width, height);
150
151 return android::BAD_VALUE;
152}
153
154int screen_source_set_amlvideo2_crop(struct aml_screen_device* dev, int x, int y, int width, int height)
155{
156 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
157
158 if ((x >= 0) && (y >= 0) && (width > 0) && (height > 0))
159 return source->set_amlvideo2_crop(x, y, width, height);
160
161 return android::BAD_VALUE;
162}
163
164int screen_source_aquire_buffer(struct aml_screen_device* dev, aml_screen_buffer_info_t* buff_info)
165{
166 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
167
168 return source->aquire_buffer(buff_info);
169}
170
171int screen_source_release_buffer(struct aml_screen_device* dev, long* ptr)
172{
173 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
174 return source->release_buffer(ptr);
175}
176
177int screen_source_set_state_callback(struct aml_screen_device* dev, olStateCB callback)
178{
179 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
180 return source->set_state_callback(callback);
181}
182
183int screen_source_set_preview_window(struct aml_screen_device* dev, ANativeWindow* window)
184{
185 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
186 return source->set_preview_window(window);
187}
188
189int screen_source_set_data_callback(struct aml_screen_device* dev, app_data_callback callback, void* user)
190{
191 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
192 return source->set_data_callback(callback, user);
193}
194
195int screen_source_set_frame_rate(struct aml_screen_device* dev, int frameRate)
196{
197 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
198 return source->set_frame_rate(frameRate);
199}
200
201int screen_source_set_source_type(struct aml_screen_device* dev, SOURCETYPE sourceType)
202{
203 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
204 return source->set_source_type(sourceType);
205}
206
207int screen_source_get_source_type(struct aml_screen_device* dev)
208{
209 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
210 return source->get_source_type();
211}
212
213int screen_source_start_v4l2_device(struct aml_screen_device* dev)
214{
215 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
216 return source->start_v4l2_device();
217}
218
219int screen_source_stop_v4l2_device(struct aml_screen_device* dev)
220{
221 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
222 return source->stop_v4l2_device();
223}
224
225int screen_source_set_port_type(struct aml_screen_device* dev,int sourceType)
226{
227 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
228 return source->set_port_type(sourceType);
229}
230
231/* int screen_source_inc_buffer_refcount(struct aml_screen_device* dev, int* ptr)
232{
233 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
234 return source->inc_buffer_refcount(ptr);
235} */
236
237/*****************************************************************************/
238
239static int aml_screen_device_open(const struct hw_module_t* module, const char* name,
240 struct hw_device_t** device)
241{
242 int status = -EINVAL;
243 android::vdin_screen_source* source = NULL;
244 android::Mutex::Autolock lock(gAmlScreenLock);
245
246 LOGV("aml_screen_device_open");
247
248 if (!strcmp(name, AML_SCREEN_SOURCE)) {
249 if(gAmlScreenOpen > 1){
250 ALOGD("aml screen device already open");
251 *device = NULL;
252 return -EINVAL;
253 }
254
255 aml_screen_device_t *dev = (aml_screen_device_t*)malloc(sizeof(aml_screen_device_t));
256
257 if (!dev) {
258 LOGE("no memory for the screen source device");
259 return -ENOMEM;
260 }
261 /* initialize handle here */
262 memset(dev, 0, sizeof(*dev));
263
264 source = new android::vdin_screen_source;
265 if (!source) {
266 LOGE("no memory for class of vdin_screen_source");
267 free (dev);
268 return -ENOMEM;
269 }
270
271 if (source->init()!= 0) {
272 LOGE("open vdin_screen_source failed!");
273 free (dev);
274 return -1;
275 }
276
277 dev->priv = (void*)source;
278
279 /* initialize the procs */
280 dev->common.tag = HARDWARE_DEVICE_TAG;
281 dev->common.version = 0;
282 dev->common.module = const_cast<hw_module_t*>(module);
283 dev->common.close = aml_screen_device_close;
284
285 dev->ops.start = screen_source_start;
286 dev->ops.stop = screen_source_stop;
287 dev->ops.pause = screen_source_pause;
288 dev->ops.get_format = screen_source_get_format;
289 dev->ops.set_format = screen_source_set_format;
290 dev->ops.set_rotation = screen_source_set_rotation;
291 dev->ops.set_crop = screen_source_set_crop;
292 dev->ops.set_amlvideo2_crop = screen_source_set_amlvideo2_crop;
293 dev->ops.aquire_buffer = screen_source_aquire_buffer;
294 dev->ops.release_buffer = screen_source_release_buffer;
295 dev->ops.setStateCallBack = screen_source_set_state_callback;
296 dev->ops.setPreviewWindow = screen_source_set_preview_window;
297 dev->ops.setDataCallBack = screen_source_set_data_callback;
298 dev->ops.set_frame_rate = screen_source_set_frame_rate;
299 dev->ops.set_source_type = screen_source_set_source_type;
300 dev->ops.get_source_type = screen_source_get_source_type;
301 // dev->ops.inc_buffer_refcount = screen_source_inc_buffer_refcount;
302 dev->ops.start_v4l2_device = screen_source_start_v4l2_device;
303 dev->ops.stop_v4l2_device = screen_source_stop_v4l2_device;
304 dev->ops.set_port_type = screen_source_set_port_type;
305 *device = &dev->common;
306 status = 0;
307 gAmlScreenOpen++;
308 }
309 return status;
310}
311
generated by cgit at 2024-05-17 13:46:36 (GMT)