1 /* Copyright (c) 2013-2014, 2016, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above
9 * copyright notice, this list of conditions and the following
10 * disclaimer in the documentation and/or other materials provided
11 * with the distribution.
12 * * Neither the name of The Linux Foundation nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 // System dependencies
31 #include <pthread.h>
32
33 // JPEG dependencies
34 #include "mm_jpeg_dbg.h"
35 #include "mm_jpeg_interface.h"
36 #include "mm_jpeg.h"
37
38 static pthread_mutex_t g_dec_intf_lock = PTHREAD_MUTEX_INITIALIZER;
39
40 static mm_jpeg_obj* g_jpegdec_obj = NULL;
41
42 /** mm_jpeg_intf_start_job:
43 *
44 * Arguments:
45 * @client_hdl: client handle
46 * @job: jpeg job object
47 * @jobId: job id
48 *
49 * Return:
50 * 0 success, failure otherwise
51 *
52 * Description:
53 * start the jpeg job
54 *
55 **/
mm_jpegdec_intf_start_job(mm_jpeg_job_t * job,uint32_t * job_id)56 static int32_t mm_jpegdec_intf_start_job(mm_jpeg_job_t* job, uint32_t* job_id)
57 {
58 int32_t rc = -1;
59
60 if (NULL == job ||
61 NULL == job_id) {
62 LOGE("invalid parameters for job or jobId");
63 return rc;
64 }
65
66 pthread_mutex_lock(&g_dec_intf_lock);
67 if (NULL == g_jpegdec_obj) {
68 /* mm_jpeg obj not exists, return error */
69 LOGE("mm_jpeg is not opened yet");
70 pthread_mutex_unlock(&g_dec_intf_lock);
71 return rc;
72 }
73 rc = mm_jpegdec_start_decode_job(g_jpegdec_obj, job, job_id);
74 pthread_mutex_unlock(&g_dec_intf_lock);
75 return rc;
76 }
77
78 /** mm_jpeg_intf_create_session:
79 *
80 * Arguments:
81 * @client_hdl: client handle
82 * @p_params: encode parameters
83 * @p_session_id: session id
84 *
85 * Return:
86 * 0 success, failure otherwise
87 *
88 * Description:
89 * Create new jpeg session
90 *
91 **/
mm_jpegdec_intf_create_session(uint32_t client_hdl,mm_jpeg_decode_params_t * p_params,uint32_t * p_session_id)92 static int32_t mm_jpegdec_intf_create_session(uint32_t client_hdl,
93 mm_jpeg_decode_params_t *p_params,
94 uint32_t *p_session_id)
95 {
96 int32_t rc = -1;
97
98 if (0 == client_hdl || NULL == p_params || NULL == p_session_id) {
99 LOGE("invalid client_hdl or jobId");
100 return rc;
101 }
102
103 pthread_mutex_lock(&g_dec_intf_lock);
104 if (NULL == g_jpegdec_obj) {
105 /* mm_jpeg obj not exists, return error */
106 LOGE("mm_jpeg is not opened yet");
107 pthread_mutex_unlock(&g_dec_intf_lock);
108 return rc;
109 }
110
111 rc = mm_jpegdec_create_session(g_jpegdec_obj, client_hdl, p_params, p_session_id);
112 pthread_mutex_unlock(&g_dec_intf_lock);
113 return rc;
114 }
115
116 /** mm_jpeg_intf_destroy_session:
117 *
118 * Arguments:
119 * @session_id: session id
120 *
121 * Return:
122 * 0 success, failure otherwise
123 *
124 * Description:
125 * Destroy jpeg session
126 *
127 **/
mm_jpegdec_intf_destroy_session(uint32_t session_id)128 static int32_t mm_jpegdec_intf_destroy_session(uint32_t session_id)
129 {
130 int32_t rc = -1;
131
132 if (0 == session_id) {
133 LOGE("invalid client_hdl or jobId");
134 return rc;
135 }
136
137 pthread_mutex_lock(&g_dec_intf_lock);
138 if (NULL == g_jpegdec_obj) {
139 /* mm_jpeg obj not exists, return error */
140 LOGE("mm_jpeg is not opened yet");
141 pthread_mutex_unlock(&g_dec_intf_lock);
142 return rc;
143 }
144
145 rc = mm_jpegdec_destroy_session_by_id(g_jpegdec_obj, session_id);
146 pthread_mutex_unlock(&g_dec_intf_lock);
147 return rc;
148 }
149
150 /** mm_jpegdec_intf_abort_job:
151 *
152 * Arguments:
153 * @jobId: job id
154 *
155 * Return:
156 * 0 success, failure otherwise
157 *
158 * Description:
159 * Abort the jpeg job
160 *
161 **/
mm_jpegdec_intf_abort_job(uint32_t job_id)162 static int32_t mm_jpegdec_intf_abort_job(uint32_t job_id)
163 {
164 int32_t rc = -1;
165
166 if (0 == job_id) {
167 LOGE("invalid jobId");
168 return rc;
169 }
170
171 pthread_mutex_lock(&g_dec_intf_lock);
172 if (NULL == g_jpegdec_obj) {
173 /* mm_jpeg obj not exists, return error */
174 LOGE("mm_jpeg is not opened yet");
175 pthread_mutex_unlock(&g_dec_intf_lock);
176 return rc;
177 }
178
179 rc = mm_jpegdec_abort_job(g_jpegdec_obj, job_id);
180 pthread_mutex_unlock(&g_dec_intf_lock);
181 return rc;
182 }
183
184 /** mm_jpeg_intf_close:
185 *
186 * Arguments:
187 * @client_hdl: client handle
188 *
189 * Return:
190 * 0 success, failure otherwise
191 *
192 * Description:
193 * Close the jpeg job
194 *
195 **/
mm_jpegdec_intf_close(uint32_t client_hdl)196 static int32_t mm_jpegdec_intf_close(uint32_t client_hdl)
197 {
198 int32_t rc = -1;
199
200 if (0 == client_hdl) {
201 LOGE("invalid client_hdl");
202 return rc;
203 }
204
205 pthread_mutex_lock(&g_dec_intf_lock);
206 if (NULL == g_jpegdec_obj) {
207 /* mm_jpeg obj not exists, return error */
208 LOGE("mm_jpeg is not opened yet");
209 pthread_mutex_unlock(&g_dec_intf_lock);
210 return rc;
211 }
212
213 rc = mm_jpeg_close(g_jpegdec_obj, client_hdl);
214 g_jpegdec_obj->num_clients--;
215 if(0 == rc) {
216 if (0 == g_jpegdec_obj->num_clients) {
217 /* No client, close jpeg internally */
218 rc = mm_jpegdec_deinit(g_jpegdec_obj);
219 free(g_jpegdec_obj);
220 g_jpegdec_obj = NULL;
221 }
222 }
223
224 pthread_mutex_unlock(&g_dec_intf_lock);
225 return rc;
226 }
227
228
229
230 /** jpegdec_open:
231 *
232 * Arguments:
233 * @ops: ops table pointer
234 *
235 * Return:
236 * 0 failure, success otherwise
237 *
238 * Description:
239 * Open a jpeg client
240 *
241 **/
jpegdec_open(mm_jpegdec_ops_t * ops)242 uint32_t jpegdec_open(mm_jpegdec_ops_t *ops)
243 {
244 int32_t rc = 0;
245 uint32_t clnt_hdl = 0;
246 mm_jpeg_obj* jpeg_obj = NULL;
247
248 pthread_mutex_lock(&g_dec_intf_lock);
249 /* first time open */
250 if(NULL == g_jpegdec_obj) {
251 jpeg_obj = (mm_jpeg_obj *)malloc(sizeof(mm_jpeg_obj));
252 if(NULL == jpeg_obj) {
253 LOGE("no mem");
254 pthread_mutex_unlock(&g_dec_intf_lock);
255 return clnt_hdl;
256 }
257
258 /* initialize jpeg obj */
259 memset(jpeg_obj, 0, sizeof(mm_jpeg_obj));
260 rc = mm_jpegdec_init(jpeg_obj);
261 if(0 != rc) {
262 LOGE("mm_jpeg_init err = %d", rc);
263 free(jpeg_obj);
264 pthread_mutex_unlock(&g_dec_intf_lock);
265 return clnt_hdl;
266 }
267
268 /* remember in global variable */
269 g_jpegdec_obj = jpeg_obj;
270 }
271
272 /* open new client */
273 clnt_hdl = mm_jpeg_new_client(g_jpegdec_obj);
274 if (clnt_hdl > 0) {
275 /* valid client */
276 if (NULL != ops) {
277 /* fill in ops tbl if ptr not NULL */
278 ops->start_job = mm_jpegdec_intf_start_job;
279 ops->abort_job = mm_jpegdec_intf_abort_job;
280 ops->create_session = mm_jpegdec_intf_create_session;
281 ops->destroy_session = mm_jpegdec_intf_destroy_session;
282 ops->close = mm_jpegdec_intf_close;
283 }
284 } else {
285 /* failed new client */
286 LOGE("mm_jpeg_new_client failed");
287
288 if (0 == g_jpegdec_obj->num_clients) {
289 /* no client, close jpeg */
290 mm_jpegdec_deinit(g_jpegdec_obj);
291 free(g_jpegdec_obj);
292 g_jpegdec_obj = NULL;
293 }
294 }
295
296 pthread_mutex_unlock(&g_dec_intf_lock);
297 return clnt_hdl;
298 }
299
300
301
302