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path: root/aml_screen.cpp (plain)
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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
55#define MAX_DEVICES_SUPPORTED 2
56
57static unsigned int gAmlScreenOpen = 0;
58static android::Mutex gAmlScreenLock;
59static android::vdin_screen_source* gScreenHals[MAX_DEVICES_SUPPORTED];
60
61/*****************************************************************************/
62
63static int aml_screen_device_open(const struct hw_module_t* module, const char* name,
64 struct hw_device_t** device);
65
66static struct hw_module_methods_t aml_screen_module_methods = {
67 open: aml_screen_device_open
68};
69
70aml_screen_module_t HAL_MODULE_INFO_SYM = {
71 common: {
72 tag: HARDWARE_MODULE_TAG,
73 version_major: 1,
74 version_minor: 0,
75 id: AML_SCREEN_HARDWARE_MODULE_ID,
76 name: "aml screen source module",
77 author: "Amlogic",
78 methods: &aml_screen_module_methods,
79 dso : NULL,
80 reserved : {0},
81 }
82};
83
84/*****************************************************************************/
85
86static int aml_screen_device_close(struct hw_device_t *dev)
87{
88 android::vdin_screen_source* source = NULL;
89 aml_screen_device_t* ctx = (aml_screen_device_t*)dev;
90 android::Mutex::Autolock lock(gAmlScreenLock);
91 if (ctx) {
92 if (gScreenHals[ctx->device_id]) {
93 delete gScreenHals[ctx->device_id];
94 gScreenHals[ctx->device_id] = NULL;
95 gAmlScreenOpen--;
96 }
97 free(ctx);
98 ctx = NULL;
99 }
100 return 0;
101}
102
103int screen_source_start(struct aml_screen_device* dev)
104{
105 return gScreenHals[dev->device_id]->start();
106}
107
108int screen_source_stop(struct aml_screen_device* dev)
109{
110 return gScreenHals[dev->device_id]->stop();
111}
112
113int screen_source_pause(struct aml_screen_device* dev)
114{
115 return gScreenHals[dev->device_id]->pause();
116}
117
118int screen_source_get_format(struct aml_screen_device* dev)
119{
120 return gScreenHals[dev->device_id]->get_format();
121}
122
123int screen_source_set_format(struct aml_screen_device* dev, int width, int height, int pix_format)
124{
125 if ((width > 0) && (height > 0) && ((pix_format == V4L2_PIX_FMT_NV21) ||
126 (pix_format == V4L2_PIX_FMT_YUV420) ||
127 (pix_format == V4L2_PIX_FMT_RGB24) ||
128 (pix_format == V4L2_PIX_FMT_RGB565X) )) {
129 return gScreenHals[dev->device_id]->set_format(width, height, pix_format);
130 } else {
131 return gScreenHals[dev->device_id]->set_format();
132 }
133}
134
135int screen_source_set_rotation(struct aml_screen_device* dev, int degree)
136{
137 return gScreenHals[dev->device_id]->set_rotation(degree);
138}
139
140int screen_source_set_crop(struct aml_screen_device* dev, int x, int y, int width, int height)
141{
142 if ((x >= 0) && (y >= 0) && (width > 0) && (height > 0))
143 return gScreenHals[dev->device_id]->set_crop(x, y, width, height);
144
145 return android::BAD_VALUE;
146}
147
148int screen_source_get_amlvideo2_crop(struct aml_screen_device* dev, int *x, int *y, int *width, int *height)
149{
150 if ((x != NULL) && (y != NULL) && (width != NULL) && (height != NULL))
151 return gScreenHals[dev->device_id]->get_amlvideo2_crop(x, y, width, height);
152
153 return android::BAD_VALUE;
154}
155
156int screen_source_set_amlvideo2_crop(struct aml_screen_device* dev, int x, int y, int width, int height)
157{
158 if ((x >= 0) && (y >= 0) && (width > 0) && (height > 0))
159 return gScreenHals[dev->device_id]->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 return gScreenHals[dev->device_id]->aquire_buffer(buff_info);
167}
168
169int screen_source_release_buffer(struct aml_screen_device* dev, long* ptr)
170{
171 return gScreenHals[dev->device_id]->release_buffer(ptr);
172}
173
174int screen_source_set_state_callback(struct aml_screen_device* dev, olStateCB callback)
175{
176 return gScreenHals[dev->device_id]->set_state_callback(callback);
177}
178
179int screen_source_set_preview_window(struct aml_screen_device* dev, ANativeWindow* window)
180{
181 return gScreenHals[dev->device_id]->set_preview_window(window);
182}
183
184int screen_source_set_data_callback(struct aml_screen_device* dev, app_data_callback callback, void* user)
185{
186 return gScreenHals[dev->device_id]->set_data_callback(callback, user);
187}
188
189int screen_source_set_frame_rate(struct aml_screen_device* dev, int frameRate)
190{
191 return gScreenHals[dev->device_id]->set_frame_rate(frameRate);
192}
193
194int screen_source_set_source_type(struct aml_screen_device* dev, SOURCETYPE sourceType)
195{
196 return gScreenHals[dev->device_id]->set_source_type(sourceType);
197}
198
199int screen_source_get_source_type(struct aml_screen_device* dev)
200{
201 return gScreenHals[dev->device_id]->get_source_type();
202}
203
204int screen_source_get_current_sourcesize(struct aml_screen_device* dev, int *w, int *h)
205{
206 return gScreenHals[dev->device_id]->get_current_sourcesize(w, h);
207}
208
209int screen_source_set_screen_mode(struct aml_screen_device* dev, int mode)
210{
211 return gScreenHals[dev->device_id]->set_screen_mode(mode);
212}
213
214int screen_source_start_v4l2_device(struct aml_screen_device* dev)
215{
216 return gScreenHals[dev->device_id]->start_v4l2_device();
217}
218
219int screen_source_stop_v4l2_device(struct aml_screen_device* dev)
220{
221 return gScreenHals[dev->device_id]->stop_v4l2_device();
222}
223
224int screen_source_set_port_type(struct aml_screen_device* dev,int sourceType)
225{
226 return gScreenHals[dev->device_id]->set_port_type(sourceType);
227}
228
229/* int screen_source_inc_buffer_refcount(struct aml_screen_device* dev, int* ptr)
230{
231 android::vdin_screen_source* source = (android::vdin_screen_source*)dev->priv;
232 return source->inc_buffer_refcount(ptr);
233} */
234
235/*****************************************************************************/
236
237static int aml_screen_device_open(const struct hw_module_t* module, const char* name,
238 struct hw_device_t** device)
239{
240 int deviceid;
241 int status = -EINVAL;
242 android::vdin_screen_source* source = NULL;
243 android::Mutex::Autolock lock(gAmlScreenLock);
244
245 LOGV("aml_screen_device_open");
246
247 if (name != NULL) {
248 if (gAmlScreenOpen >= MAX_DEVICES_SUPPORTED) {
249 ALOGD("aml screen device already open");
250 *device = NULL;
251 return -EINVAL;
252 }
253
254 deviceid = atoi(name);
255
256 if (deviceid >= MAX_DEVICES_SUPPORTED) {
257 ALOGD("provided device id out of bounds , deviceid = %d .\n" , deviceid);
258 *device = NULL;
259 return -EINVAL;
260 }
261
262 aml_screen_device_t *dev = (aml_screen_device_t*)malloc(sizeof(aml_screen_device_t));
263
264 if (!dev) {
265 ALOGE("no memory for the screen source device");
266 return -ENOMEM;
267 }
268 /* initialize handle here */
269 memset(dev, 0, sizeof(*dev));
270
271 source = new android::vdin_screen_source;
272 if (!source) {
273 ALOGE("no memory for class of vdin_screen_source");
274 free (dev);
275 return -ENOMEM;
276 }
277
278 if (source->init(deviceid)!= 0) {
279 ALOGE("open vdin_screen_source failed!");
280 free (dev);
281 delete source;
282 return -1;
283 }
284
285 dev->priv = (void*)source;
286
287 /* initialize the procs */
288 dev->common.tag = HARDWARE_DEVICE_TAG;
289 dev->common.version = 0;
290 dev->common.module = const_cast<hw_module_t*>(module);
291 dev->common.close = aml_screen_device_close;
292
293 dev->ops.start = screen_source_start;
294 dev->ops.stop = screen_source_stop;
295 dev->ops.pause = screen_source_pause;
296 dev->ops.get_format = screen_source_get_format;
297 dev->ops.set_format = screen_source_set_format;
298 dev->ops.set_rotation = screen_source_set_rotation;
299 dev->ops.set_crop = screen_source_set_crop;
300 dev->ops.get_amlvideo2_crop = screen_source_get_amlvideo2_crop;
301 dev->ops.set_amlvideo2_crop = screen_source_set_amlvideo2_crop;
302 dev->ops.aquire_buffer = screen_source_aquire_buffer;
303 dev->ops.release_buffer = screen_source_release_buffer;
304 dev->ops.setStateCallBack = screen_source_set_state_callback;
305 dev->ops.setPreviewWindow = screen_source_set_preview_window;
306 dev->ops.setDataCallBack = screen_source_set_data_callback;
307 dev->ops.set_frame_rate = screen_source_set_frame_rate;
308 dev->ops.set_source_type = screen_source_set_source_type;
309 dev->ops.get_source_type = screen_source_get_source_type;
310 dev->ops.get_current_sourcesize = screen_source_get_current_sourcesize;
311 dev->ops.set_screen_mode = screen_source_set_screen_mode;
312 // dev->ops.inc_buffer_refcount = screen_source_inc_buffer_refcount;
313 dev->ops.start_v4l2_device = screen_source_start_v4l2_device;
314 dev->ops.stop_v4l2_device = screen_source_stop_v4l2_device;
315 dev->ops.set_port_type = screen_source_set_port_type;
316 dev->device_id = deviceid;
317 *device = &dev->common;
318 gScreenHals[deviceid] = source;
319 gAmlScreenOpen++;
320 status = 0;
321 }
322 return status;
323}
324
generated by cgit at 2024-05-17 17:50:03 (GMT)