1 /*
2 * echo_audio_linein_test.c -- Audio line in test application
3 *
4 * Copyright (c) 2018 Rockchip Electronics Co. Ltd.
5 * Author: chad.ma <chad.ma@rock-chips.com>
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 #include <stdio.h>
21 #include <malloc.h>
22 #include <unistd.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <getopt.h>
26 #include <fcntl.h>
27 #include <ctype.h>
28 #include <errno.h>
29 #include <limits.h>
30 #include <time.h>
31 #include <locale.h>
32 #include <sys/unistd.h>
33 #include <sys/stat.h>
34 #include <sys/types.h>
35 #include <alsa/asoundlib.h>
36 #include <assert.h>
37
38 #include <stdbool.h>
39 #include <signal.h>
40 #include "audio_test.h"
41
42 #define LOG_TAG "audio_linein_test"
43 #include "common.h"
44
45 #if 0
46 snd_pcm_t *open_sound_dev(snd_pcm_stream_t type)
47 {
48 int err;
49 snd_pcm_t *handle;
50 snd_pcm_hw_params_t *hw_params;
51 unsigned int buffer_time;
52 unsigned int period_time;
53 unsigned int rate = 44100;
54
55 if ((err = snd_pcm_open (&handle, "hw:0,0", type, 0)) < 0) //���豸����2��������ָʹ��Ĭ�ϵ� �豸����
56 return NULL;
57
58 if ((err = snd_pcm_hw_params_malloc (&hw_params)) < 0) { //�������
59 fprintf (stderr, "cannot allocate hardware parameter structure (%s)\n",
60 snd_strerror (err));
61 return NULL;
62 }
63
64 if ((err = snd_pcm_hw_params_any (handle, hw_params)) < 0) { //��ʼ������
65 fprintf (stderr, "cannot initialize hardware parameter structure (%s)\n",
66 snd_strerror (err));
67 return NULL;
68 }
69
70 if (snd_pcm_hw_params_get_buffer_time_max(hw_params, &buffer_time, 0) < 0) {
71 fprintf(stderr, "Error snd_pcm_hw_params_get_buffer_time_max\n");
72 log_err("Error snd_pcm_hw_params_get_buffer_time_max(%s)\n",snd_strerror (err));
73 }
74
75 if (buffer_time > 500000) buffer_time = 500000;
76 period_time = buffer_time / 4;
77
78 log_info("buff_time = %d, period_time =%d \n",buffer_time, period_time);
79 if (snd_pcm_hw_params_set_buffer_time_near(handle, hw_params, &buffer_time, 0) < 0) {
80 fprintf(stderr, "Error snd_pcm_hw_params_set_buffer_time_near\n");
81 log_err("Error snd_pcm_hw_params_set_buffer_time_near(%s)\n",snd_strerror (err));
82
83 return NULL;
84 }
85
86 if (snd_pcm_hw_params_set_period_time_near(handle, hw_params, &period_time, 0) < 0) {
87 fprintf(stderr, "Error snd_pcm_hw_params_set_buffer_time_near\n");
88 log_err("Error snd_pcm_hw_params_set_buffer_time_near(%s)\n",snd_strerror (err));
89
90 return NULL;
91 }
92
93 if ((err = snd_pcm_hw_params_set_access (handle, hw_params, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) { //���ò��������ݴ�ŷ�ʽ�ǽ�����SND_PCM_ACCESS_RW_INTERLEAVED���ȷ��������ٷ���������
94 fprintf (stderr, "cannot set access type (%s)\n",
95 snd_strerror (err));
96 log_err("cannot set access type (%s)\n", snd_strerror (err));
97 return NULL;
98 }
99
100 if ((err = snd_pcm_hw_params_set_format (handle, hw_params, SND_PCM_FORMAT_S16_LE)) < 0) {
101 fprintf (stderr, "cannot set sample format (%s)\n", //���ø�ʽSND_PCM_FORMAT_S16_LE��16λ��
102 snd_strerror (err));
103 log_err("cannot set sample format (%s)\n", snd_strerror (err));
104 return NULL;
105 }
106
107 if ((err = snd_pcm_hw_params_set_rate_near (handle, hw_params, &rate, 0)) < 0) { //������
108 fprintf (stderr, "cannot set sample rate (%s)\n",
109 snd_strerror (err));
110 log_err("cannot set sample rate (%s)\n", snd_strerror (err));
111 return NULL;
112 }
113
114 if ((err = snd_pcm_hw_params_set_channels (handle, hw_params, 2)) < 0) { //����ͨ����
115 fprintf (stderr, "cannot set channel count (%s)\n",
116 snd_strerror (err));
117 log_err("cannot set channel count (%s)\n",snd_strerror (err));
118 return NULL;
119 }
120
121 if ((err = snd_pcm_hw_params (handle, hw_params)) < 0) { //�ѹ���Ľṹ�������д��Ӳ����ȥ
122 fprintf (stderr, "cannot set parameters (%s)\n",
123 snd_strerror (err));
124 log_err("cannot set parameters (%s)\n",snd_strerror (err));
125 return NULL;
126 }
127
128 snd_pcm_hw_params_free (hw_params); //�ͷź������Ľṹ��
129
130 return handle; //�ɹ�ʱ���ؾ��
131 }
132
133
134 void close_sound_dev(snd_pcm_t *handle) //�ر������豸
135 {
136 snd_pcm_close (handle);
137 }
138
139 snd_pcm_t *open_playback(void) //�������豸
140 {
141 return open_sound_dev(SND_PCM_STREAM_PLAYBACK);
142 }
143
144 snd_pcm_t *open_capture(void) //��¼���豸
145 {
146 return open_sound_dev(SND_PCM_STREAM_CAPTURE);
147 }
148
149 int main (int argc, char *argv[])
150 {
151 int err;
152 char buf[512];
153 snd_pcm_t *playback_handle;
154 snd_pcm_t *capture_handle;
155 playback_handle = open_playback();// �������豸
156
157 if (!playback_handle) {
158 fprintf (stderr, "cannot open for playback\n");
159 log_err("cannot open for playback\n");
160 return -1;
161 }
162
163 capture_handle = open_capture();//��¼���豸
164
165 if (!capture_handle) {
166 fprintf (stderr, "cannot open for capture\n");
167 log_err("cannot open for capture\n");
168 return -1;
169 }
170
171 if ((err = snd_pcm_prepare (playback_handle)) < 0) { //�����Ų���
172 fprintf (stderr, "cannot prepare audio interface for use (%s)\n",
173 snd_strerror (err));
174 log_err("cannot prepare audio interface for use (%s)\n",snd_strerror (err));
175 return -1;
176 }
177
178 if ((err = snd_pcm_prepare (capture_handle)) < 0) { //��¼������
179 fprintf (stderr, "cannot prepare audio interface for use (%s)\n",
180 snd_strerror (err));
181 log_err("cannot prepare audio interface for use (%s)\n",snd_strerror (err));
182 return -1;
183 }
184
185 while (1) {
186 if ((err = snd_pcm_readi (capture_handle, buf, 128)) != 128) { //�������������ݶ���buffer��
187 fprintf (stderr, "read from audio interface failed (%s)\n",
188 snd_strerror (err));
189 log_err("read from audio interface failed (%s)\n",snd_strerror (err));
190 return -1;
191 }
192
193 if ((err = snd_pcm_writei (playback_handle, buf, 128)) != 128) { //���(�������buffer)
194 fprintf (stderr, "write to audio interface failed (%s)\n",
195 snd_strerror (err));
196 log_err("write to audio interface failed (%s)\n",snd_strerror (err));
197 return -1;
198 }
199 }
200
201 snd_pcm_close (playback_handle);//�رղ����豸
202 snd_pcm_close (capture_handle);//�ر�¼���豸
203 return 0;
204 }
205 #endif
206
207 #define LINEIN_TIME 20
208
209 static bool gIslinein = false;
210
switch_to_linein(bool sw_to_linein)211 int switch_to_linein(bool sw_to_linein)
212 {
213 int ret = 0;
214 int status = 0;
215
216 if (sw_to_linein) {
217 log_info("-----------> swtich to line in <-----------\n");
218 status = system("/tmp/switch_inoutput.sh li");
219 } else {
220 log_info("-----------> swtich to mic in <-----------\n");
221 status = system("/tmp/switch_inoutput.sh mi");
222 }
223
224 if (status == -1) {
225 log_info("system cmd run error...\n");
226 ret = -1;
227 }
228
229 return ret;
230 }
231
232 //*Audio line in test
audio_line_in_test(void * argv)233 void *audio_line_in_test(void *argv)
234 {
235 char cmd[128];
236
237 fprintf(stderr,"=========function :%s start=============\n",__func__);
238
239 gIslinein = true;
240 switch_to_linein(gIslinein);
241
242 //ָ��Card 0��device 0��¼��10��
243 fprintf(stderr,"recording\n ");
244 sprintf(cmd,"arecord -D hw:0,0 -f S16_LE -c 2 -r 44100 -d %d %s/%s", \
245 LINEIN_TIME,TEST_RESULT_SAVE_PATH,AUDIO_LINEIN_FILE);
246 system(cmd);
247
248 fprintf(stderr,"playing\n ");
249 sprintf(cmd,"aplay -f S16_LE -c 2 -r 44100 -d %d %s/%s", \
250 LINEIN_TIME,TEST_RESULT_SAVE_PATH,AUDIO_LINEIN_FILE); //����
251 system(cmd);
252
253 //remove line-in test file
254 sprintf(cmd,"rm %s/%s",TEST_RESULT_SAVE_PATH,AUDIO_LINEIN_FILE);
255 system(cmd);
256 fprintf(stderr,"=========Audio Line in test finished=============\n");
257 }
258
259 //* �źŴ��������ڽ�������ǰ��ɾ��¼����pcm�ļ�
del_line_in_pcm(int sign_no)260 static int del_line_in_pcm(int sign_no)
261 {
262 char cmd[128];
263
264 printf("====================function : %s start =================\n",__func__);
265
266 sprintf(cmd,"%s/%s",TEST_RESULT_SAVE_PATH,AUDIO_LINEIN_FILE);
267 if(0 == access(cmd,F_OK)){
268 remove(cmd);
269 }
270
271 printf("====================function : %s finished =================\n",__func__);
272 exit(0);
273 }
274
275
276
277 /*���������*/
main(int argc,char * argv[])278 int main(int argc, char *argv[])
279 {
280 int delay_t = 0,err_code = 0;
281 struct timeval t1, t2;
282 char buf[COMMAND_VALUESIZE] = "audio_linein_test";
283 char result[COMMAND_VALUESIZE] = RESULT_PASS;
284
285 system("amixer cset name='Master Playback Volume' 80%");
286 log_info("audio record test start...\n");
287
288 //* ע���źŴ�����
289 signal(SIGTERM, (__sighandler_t)del_line_in_pcm);
290
291 gettimeofday(&t1, NULL);
292 while(1)
293 {
294 audio_line_in_test(argv[0]);
295 gettimeofday(&t2, NULL);
296 delay_t = (t2.tv_sec - t1.tv_sec) * 1000000 + (t2.tv_usec - t1.tv_usec);
297 if (delay_t > MANUAL_TEST_TIMEOUT) {
298 log_warn("audio record test end, timeout 60s\n");
299 err_code = AUDIO_LINEIN_TIMEOUT;
300 //break;
301 }
302 }
303
304 if (gIslinein) {
305 gIslinein = false;
306 switch_to_linein(gIslinein); //acodec switch to mic-->input
307 }
308
309 if (err_code)
310 strcpy(result, RESULT_FAIL);
311 send_msg_to_server(buf, result, err_code);
312 return 0;
313 }
314
315