blob: a034bb84d99ae77fd9e4c25bdc943992acc66070
1 | /* |
2 | ** aml_audio.c |
3 | ** |
4 | ** This program is designed for TV application. |
5 | ** author: Wang Zhe |
6 | ** Email: Zhe.Wang@amlogic.com |
7 | ** |
8 | */ |
9 | |
10 | #define LOG_TAG "aml_audio" |
11 | |
12 | #include <stdbool.h> |
13 | #include <stdio.h> |
14 | #include <string.h> |
15 | #include <stdlib.h> |
16 | #include <stdint.h> |
17 | #include <signal.h> |
18 | #include <pthread.h> |
19 | #include <unistd.h> |
20 | #include <math.h> |
21 | #include <fcntl.h> |
22 | #include <errno.h> |
23 | #include <sys/mman.h> |
24 | #include <sys/ioctl.h> |
25 | #include <sys/stat.h> |
26 | #include <sys/prctl.h> |
27 | #include <cutils/log.h> |
28 | #include <cutils/properties.h> |
29 | #include "tinyalsa/asoundlib.h" |
30 | |
31 | #include "aml_shelf.h" |
32 | #include "android_out.h" |
33 | #include "aml_audio.h" |
34 | |
35 | #define ANDROID_OUT_BUFFER_SIZE (2048*8*2) //in byte |
36 | #define DDP_OUT_BUFFER_SIZE (2048*8*2*2*2) //in byte |
37 | #define DD_61937_BUFFER_SIZE (2048*8*2*2*2) |
38 | #define DEFAULT_OUT_SAMPLE_RATE (48000) |
39 | #define DEFAULT_IN_SAMPLE_RATE (48000) |
40 | #define PLAYBACK_PERIOD_SIZE (512) |
41 | #define CAPTURE_PERIOD_SIZE (512) |
42 | #define PLAYBACK_PERIOD_COUNT (4) |
43 | #define CAPTURE_PERIOD_COUNT (4) |
44 | #define TEMP_BUFFER_SIZE (PLAYBACK_PERIOD_SIZE * 4 * 3) |
45 | //output device ID from audio.h |
46 | #define AUDIO_DEVICE_OUT_SPEAKER (0x2) |
47 | #define AUDIO_DEVICE_OUT_REMOTE_SUBMIX (0x8000) |
48 | |
49 | static const struct pcm_config pcm_config_out = { |
50 | .channels = 2, |
51 | .rate = DEFAULT_OUT_SAMPLE_RATE, |
52 | .period_size = PLAYBACK_PERIOD_SIZE, |
53 | .period_count = PLAYBACK_PERIOD_COUNT, |
54 | .format = PCM_FORMAT_S16_LE, |
55 | .stop_threshold = PLAYBACK_PERIOD_SIZE*PLAYBACK_PERIOD_COUNT, |
56 | }; |
57 | |
58 | static const struct pcm_config pcm_config_in = { |
59 | .channels = 2, |
60 | .rate = DEFAULT_IN_SAMPLE_RATE, |
61 | .period_size = CAPTURE_PERIOD_SIZE, |
62 | .period_count = CAPTURE_PERIOD_COUNT, |
63 | .format = PCM_FORMAT_S16_LE, |
64 | .stop_threshold = CAPTURE_PERIOD_SIZE*CAPTURE_PERIOD_COUNT*10, |
65 | }; |
66 | |
67 | struct buffer_status { |
68 | unsigned char *start_add; |
69 | size_t size; |
70 | size_t level; |
71 | unsigned int rd; |
72 | unsigned int wr; |
73 | }; |
74 | |
75 | struct resample_para { |
76 | unsigned int FractionStep; |
77 | unsigned int SampleFraction; |
78 | short lastsample_left; |
79 | short lastsample_right; |
80 | }; |
81 | |
82 | struct aml_stream_in { |
83 | pthread_mutex_t lock; |
84 | struct pcm_config config; |
85 | struct pcm *pcm; |
86 | int card; |
87 | int device; |
88 | int standby; |
89 | int resample_request; |
90 | void *resample_temp_buffer; |
91 | struct resample_para resample; |
92 | int max_bytes; |
93 | void *temp_buffer; |
94 | void *write_buffer; |
95 | int delay_time; |
96 | int last_delay_time; |
97 | struct circle_buffer delay_buf; |
98 | float pre_gain; |
99 | uint pre_mute; |
100 | }; |
101 | |
102 | struct aml_stream_out { |
103 | pthread_mutex_t lock; |
104 | struct pcm_config config; |
105 | struct pcm *pcm; |
106 | int card; |
107 | int device; |
108 | int standby; |
109 | void *temp_buffer; |
110 | void *read_buffer; |
111 | int output_device; |
112 | int amAudio_OutHandle; |
113 | struct buffer_status playback_buf; |
114 | int user_set_device; |
115 | int is_tv_platform; |
116 | int32_t *tmp_buffer_8ch; |
117 | void *audioeffect_tmp_buffer; |
118 | }; |
119 | |
120 | struct aml_dev { |
121 | struct aml_stream_in in; |
122 | struct aml_stream_out out; |
123 | pthread_t aml_Audio_ThreadID; |
124 | int aml_Audio_ThreadTurnOnFlag; |
125 | int aml_Audio_ThreadExecFlag; |
126 | int has_EQ_lib; |
127 | int has_SRS_lib; |
128 | int has_aml_IIR_lib; |
129 | int output_mode; |
130 | pthread_t android_check_ThreadID; |
131 | }; |
132 | |
133 | static struct aml_dev gmAmlDevice = { |
134 | .in = { |
135 | .lock = PTHREAD_MUTEX_INITIALIZER, |
136 | .config = { |
137 | .channels = 2, |
138 | .rate = DEFAULT_IN_SAMPLE_RATE, |
139 | .period_size = CAPTURE_PERIOD_SIZE, |
140 | .period_count = CAPTURE_PERIOD_COUNT, |
141 | .format = PCM_FORMAT_S16_LE, |
142 | .stop_threshold = CAPTURE_PERIOD_SIZE*CAPTURE_PERIOD_COUNT*10, |
143 | }, |
144 | .pcm = NULL, |
145 | .card = 0, |
146 | .device = 0, |
147 | .standby = 0, |
148 | .resample_request = 0, |
149 | .resample_temp_buffer = NULL, |
150 | .resample = { |
151 | .FractionStep = 0, |
152 | .SampleFraction = 0, |
153 | .lastsample_left = 0, |
154 | .lastsample_right = 0, |
155 | }, |
156 | .max_bytes = 0, |
157 | .temp_buffer = NULL, |
158 | .write_buffer = NULL, |
159 | .delay_time = 0, |
160 | .last_delay_time = 0, |
161 | .delay_buf = { |
162 | .lock = PTHREAD_MUTEX_INITIALIZER, |
163 | .start_add = NULL, |
164 | .rd = NULL, |
165 | .wr = NULL, |
166 | .size = 0, |
167 | }, |
168 | .pre_gain = 1.0, |
169 | }, |
170 | |
171 | .out = { |
172 | .lock = PTHREAD_MUTEX_INITIALIZER, |
173 | .config = { |
174 | .channels = 2, |
175 | .rate = DEFAULT_OUT_SAMPLE_RATE, |
176 | .period_size = PLAYBACK_PERIOD_SIZE, |
177 | .period_count = PLAYBACK_PERIOD_COUNT, |
178 | .format = PCM_FORMAT_S16_LE, |
179 | .stop_threshold = PLAYBACK_PERIOD_SIZE*PLAYBACK_PERIOD_COUNT, |
180 | }, |
181 | .pcm = NULL, |
182 | .card = 0, |
183 | .device = 0, |
184 | .standby = 0, |
185 | .temp_buffer = NULL, |
186 | .read_buffer = NULL, |
187 | .output_device = 0, |
188 | .amAudio_OutHandle = 0, |
189 | .playback_buf = { |
190 | .start_add = NULL, |
191 | .size = 0, |
192 | .level = 0, |
193 | .rd = 0, |
194 | .wr = 0, |
195 | }, |
196 | .user_set_device = 0, |
197 | .is_tv_platform = 0, |
198 | .tmp_buffer_8ch = NULL, |
199 | .audioeffect_tmp_buffer = NULL, |
200 | }, |
201 | |
202 | .aml_Audio_ThreadID = 0, |
203 | .aml_Audio_ThreadTurnOnFlag = 0, |
204 | .aml_Audio_ThreadExecFlag = 0, |
205 | .has_EQ_lib = 0, |
206 | .has_SRS_lib = 0, |
207 | .has_aml_IIR_lib = 0, |
208 | .output_mode = MODEAMAUDIO, |
209 | .android_check_ThreadID = 0, |
210 | }; |
211 | |
212 | struct circle_buffer android_out_buffer = { |
213 | .lock = PTHREAD_MUTEX_INITIALIZER, |
214 | .start_add = NULL, |
215 | .rd = NULL, |
216 | .wr = NULL, |
217 | .size = 0, |
218 | }; |
219 | |
220 | struct circle_buffer DDP_out_buffer = { |
221 | .lock = PTHREAD_MUTEX_INITIALIZER, |
222 | .start_add = NULL, |
223 | .rd = NULL, |
224 | .wr = NULL, |
225 | .size = 0, |
226 | }; |
227 | |
228 | struct circle_buffer DD_out_buffer = { |
229 | .lock = PTHREAD_MUTEX_INITIALIZER, |
230 | .start_add = NULL, |
231 | .rd = NULL, |
232 | .wr = NULL, |
233 | .size = 0, |
234 | }; |
235 | |
236 | static void *start_temp_buffer = NULL; |
237 | static struct aml_dev *gpAmlDevice = NULL; |
238 | static pthread_mutex_t amaudio_dev_op_mutex = PTHREAD_MUTEX_INITIALIZER; |
239 | static unsigned int gUSBCheckLastFlag = 0; |
240 | static unsigned int gUSBCheckFlag = 0; |
241 | |
242 | extern int omx_codec_init(void); |
243 | extern int omx_codec_dts_init(void); |
244 | extern void omx_codec_close(void); |
245 | extern void omx_codec_dts_close(void); |
246 | |
247 | extern int I2S_state; |
248 | |
249 | #define I2S_IN_AUDIO_TYPE "I2SIN Audio Type" |
250 | #define SPDIF_IN_AUDIO_TYPE "SPDIFIN Audio Type" |
251 | #define Audio_In_Source_TYPE "Audio In Source" |
252 | #define HW_RESAMPLE_ENABLE "Hardware resample enable" |
253 | #define AMAUDIO_IN "/dev/amaudio2_in" |
254 | #define AMAUDIO_OUT "/dev/amaudio2_out" |
255 | #define AMAUDIO2_PREENABLE "/sys/class/amaudio2/aml_amaudio2_enable" |
256 | #define AMAUDIO2_INPUTDEVICE "/sys/class/amaudio2/aml_input_device" |
257 | |
258 | #define AMAUDIO_IOC_MAGIC 'A' |
259 | #define AMAUDIO_IOC_GET_SIZE _IOW(AMAUDIO_IOC_MAGIC, 0x00, int) |
260 | #define AMAUDIO_IOC_GET_PTR _IOW(AMAUDIO_IOC_MAGIC, 0x01, int) |
261 | #define AMAUDIO_IOC_RESET _IOW(AMAUDIO_IOC_MAGIC, 0x02, int) |
262 | #define AMAUDIO_IOC_UPDATE_APP_PTR _IOW(AMAUDIO_IOC_MAGIC, 0x03, int) |
263 | #define AMAUDIO_IOC_AUDIO_OUT_MODE _IOW(AMAUDIO_IOC_MAGIC, 0x04, int) |
264 | #define AMAUDIO_IOC_MIC_LEFT_GAIN _IOW(AMAUDIO_IOC_MAGIC, 0x05, int) |
265 | #define AMAUDIO_IOC_MIC_RIGHT_GAIN _IOW(AMAUDIO_IOC_MAGIC, 0x06, int) |
266 | #define AMAUDIO_IOC_MUSIC_GAIN _IOW(AMAUDIO_IOC_MAGIC, 0x07, int) |
267 | |
268 | #define CC_DUMP_SRC_TYPE_INPUT (0) |
269 | #define CC_DUMP_SRC_TYPE_OUTPUT (1) |
270 | #define CC_DUMP_SRC_TYPE_IN_OUT (2) |
271 | #define CC_DUMP_SRC_TYPE_OUT_IN (3) |
272 | |
273 | static int amaudio2_out_handle = -1; |
274 | static int gDumpDataFlag = 0; |
275 | static int gDumpDataFd1 = -1; |
276 | static int gDumpDataFd2 = -1; |
277 | static int audioin_type = 0; |
278 | static int omx_started = 0; |
279 | static int raw_data_counter = 0; |
280 | static int pcm_data_counter = 0; |
281 | static int digital_raw_enable = 0; |
282 | int output_record_enable = 0; |
283 | int spdif_audio_type = LPCM; |
284 | int type_AUDIO_IN = -1; |
285 | pthread_mutex_t device_change_lock = PTHREAD_MUTEX_INITIALIZER; |
286 | |
287 | static void DoDumpData(void *data_buf, int size, int aud_src_type); |
288 | static int audio_effect_process(short* buffer, int frame_size); |
289 | |
290 | static int getprop_bool(const char * path) |
291 | { |
292 | char buf[PROPERTY_VALUE_MAX]; |
293 | int ret = -1; |
294 | |
295 | ret = property_get(path, buf, NULL); |
296 | if (ret > 0) { |
297 | if (strcasecmp(buf, "true") == 0 || strcmp(buf, "1") == 0) |
298 | return 1; |
299 | } |
300 | |
301 | return 0; |
302 | } |
303 | |
304 | inline int GetWriteSpace(char *WritePoint, char *ReadPoint, int buffer_size) { |
305 | int bytes; |
306 | |
307 | if (WritePoint >= ReadPoint) { |
308 | bytes = buffer_size - (WritePoint - ReadPoint); |
309 | } else { |
310 | bytes = ReadPoint - WritePoint; |
311 | } |
312 | return bytes; |
313 | } |
314 | |
315 | inline size_t GetReadSpace(char *WritePoint, char *ReadPoint, int buffer_size) { |
316 | int bytes; |
317 | |
318 | if (WritePoint >= ReadPoint) { |
319 | bytes = WritePoint - ReadPoint; |
320 | } else { |
321 | bytes = buffer_size - (ReadPoint - WritePoint); |
322 | } |
323 | return bytes; |
324 | } |
325 | |
326 | inline int write_to_buffer(char *current_pointer, char *buffer, int bytes, |
327 | char *start_buffer, int buffer_size) { |
328 | int left_bytes = start_buffer + buffer_size - current_pointer; |
329 | |
330 | if (left_bytes >= bytes) { |
331 | memcpy(current_pointer, buffer, bytes); |
332 | } else { |
333 | memcpy(current_pointer, buffer, left_bytes); |
334 | memcpy(start_buffer, buffer + left_bytes, bytes - left_bytes); |
335 | } |
336 | return 0; |
337 | } |
338 | |
339 | inline int read_from_buffer(char *current_pointer, char *buffer, int bytes, |
340 | char *start_buffer, int buffer_size) { |
341 | int left_bytes = start_buffer + buffer_size - current_pointer; |
342 | |
343 | if (left_bytes >= bytes) { |
344 | memcpy(buffer, current_pointer, bytes); |
345 | } else { |
346 | memcpy(buffer, current_pointer, left_bytes); |
347 | memcpy(buffer + left_bytes, start_buffer, bytes - left_bytes); |
348 | } |
349 | return 0; |
350 | } |
351 | |
352 | inline void* update_pointer(char *current_pointer, int bytes, |
353 | char *start_buffer, int buffer_size) { |
354 | current_pointer += bytes; |
355 | if (current_pointer >= start_buffer + buffer_size) { |
356 | current_pointer -= buffer_size; |
357 | } |
358 | return current_pointer; |
359 | } |
360 | |
361 | //Clip from 16.16 fixed-point to 0.15 fixed-point. |
362 | inline static short clip(int x) { |
363 | if (x < -32768) { |
364 | return -32768; |
365 | } else if (x > 32767) { |
366 | return 32767; |
367 | } else { |
368 | return x; |
369 | } |
370 | } |
371 | |
372 | static int resampler_init(struct aml_stream_in *in) { |
373 | ALOGD("%s, Init Resampler!\n", __FUNCTION__); |
374 | |
375 | static const double kPhaseMultiplier = 1L << 28; |
376 | |
377 | in->resample.FractionStep = (unsigned int) (in->config.rate |
378 | * kPhaseMultiplier / pcm_config_in.rate); |
379 | in->resample.SampleFraction = 0; |
380 | |
381 | size_t buffer_size = in->config.period_size * 4; |
382 | in->resample_temp_buffer = malloc(buffer_size); |
383 | if (in->resample_temp_buffer == NULL) { |
384 | ALOGE("%s, Malloc resample buffer failed!\n", __FUNCTION__); |
385 | return -1; |
386 | } |
387 | in->max_bytes = (in->config.period_size * pcm_config_in.rate |
388 | / in->config.rate + 1) << 2; |
389 | return 0; |
390 | } |
391 | |
392 | static int resample_process(struct aml_stream_in *in, unsigned int in_frame, |
393 | short* input, short* output) { |
394 | unsigned int inputIndex = 0; |
395 | unsigned int outputIndex = 0; |
396 | unsigned int FractionStep = in->resample.FractionStep; |
397 | |
398 | static const uint32_t kPhaseMask = (1LU << 28) - 1; |
399 | unsigned int frac = in->resample.SampleFraction; |
400 | short lastsample_left = in->resample.lastsample_left; |
401 | short lastsample_right = in->resample.lastsample_right; |
402 | |
403 | while (inputIndex == 0) { |
404 | *output++ = clip( |
405 | (int) lastsample_left |
406 | + ((((int) input[0] - (int) lastsample_left) |
407 | * ((int) frac >> 13)) >> 15)); |
408 | *output++ = clip( |
409 | (int) lastsample_right |
410 | + ((((int) input[1] - (int) lastsample_right) |
411 | * ((int) frac >> 13)) >> 15)); |
412 | |
413 | frac += FractionStep; |
414 | inputIndex += (frac >> 28); |
415 | frac = (frac & kPhaseMask); |
416 | outputIndex++; |
417 | } |
418 | |
419 | while (inputIndex < in_frame) { |
420 | *output++ = clip( |
421 | (int) input[2 * inputIndex - 2] |
422 | + ((((int) input[2 * inputIndex] |
423 | - (int) input[2 * inputIndex - 2]) |
424 | * ((int) frac >> 13)) >> 15)); |
425 | *output++ = clip( |
426 | (int) input[2 * inputIndex - 1] |
427 | + ((((int) input[2 * inputIndex + 1] |
428 | - (int) input[2 * inputIndex - 1]) |
429 | * ((int) frac >> 13)) >> 15)); |
430 | |
431 | frac += FractionStep; |
432 | inputIndex += (frac >> 28); |
433 | frac = (frac & kPhaseMask); |
434 | outputIndex++; |
435 | } |
436 | |
437 | in->resample.lastsample_left = input[2 * in_frame - 2]; |
438 | in->resample.lastsample_right = input[2 * in_frame - 1]; |
439 | in->resample.SampleFraction = frac; |
440 | |
441 | return outputIndex; |
442 | } |
443 | |
444 | static int tmp_buffer_init(struct circle_buffer *tmp, int buffer_size) { |
445 | struct circle_buffer *buf = tmp; |
446 | pthread_mutex_lock(&buf->lock); |
447 | |
448 | buf->size = buffer_size; |
449 | buf->start_add = malloc(buffer_size * sizeof(char)); |
450 | if (buf->start_add == NULL) { |
451 | ALOGD("%s, Malloc android out buffer error!\n", __FUNCTION__); |
452 | pthread_mutex_unlock(&buf->lock); |
453 | return -1; |
454 | } |
455 | buf->rd = buf->start_add; |
456 | buf->wr = buf->start_add + buf->size / 2; |
457 | |
458 | pthread_mutex_unlock(&buf->lock); |
459 | return 0; |
460 | } |
461 | |
462 | static int tmp_buffer_release(struct circle_buffer *tmp) { |
463 | struct circle_buffer *buf = tmp; |
464 | pthread_mutex_lock(&buf->lock); |
465 | |
466 | if (buf->start_add != NULL) { |
467 | free(buf->start_add); |
468 | buf->start_add = NULL; |
469 | } |
470 | buf->rd = NULL; |
471 | buf->wr = NULL; |
472 | buf->size = 0; |
473 | |
474 | pthread_mutex_unlock(&buf->lock); |
475 | return 0; |
476 | } |
477 | |
478 | static int tmp_buffer_reset(struct circle_buffer *tmp) { |
479 | struct circle_buffer *buf = tmp; |
480 | buf->rd = buf->wr + buf->size / 2; |
481 | if (buf->rd >= (buf->start_add + buf->size)) |
482 | buf->rd -= buf->size; |
483 | return 0; |
484 | } |
485 | |
486 | int buffer_write(struct circle_buffer *tmp, char* buffer, size_t bytes) { |
487 | struct circle_buffer *buf = tmp; |
488 | pthread_mutex_lock(&buf->lock); |
489 | if (buf->start_add == NULL || buf->wr == NULL || buf->wr == NULL |
490 | || buf->size == 0) { |
491 | ALOGE("%s, Buffer malloc fail!\n", __FUNCTION__); |
492 | pthread_mutex_unlock(&buf->lock); |
493 | return -1; |
494 | } |
495 | size_t write_space = GetWriteSpace(buf->wr, buf->rd, buf->size); |
496 | if (write_space < bytes) { |
497 | pthread_mutex_unlock(&buf->lock); |
498 | return -1; |
499 | } |
500 | write_to_buffer(buf->wr, buffer, bytes, buf->start_add, buf->size); |
501 | buf->wr = update_pointer(buf->wr, bytes, buf->start_add, buf->size); |
502 | pthread_mutex_unlock(&buf->lock); |
503 | return bytes; |
504 | } |
505 | |
506 | int buffer_read(struct circle_buffer *tmp, char* buffer, size_t bytes) { |
507 | struct circle_buffer *buf = tmp; |
508 | pthread_mutex_lock(&buf->lock); |
509 | if (buf->start_add == NULL || buf->wr == NULL || buf->wr == NULL |
510 | || buf->size == 0) { |
511 | ALOGE("%s, Buffer malloc fail!\n", __FUNCTION__); |
512 | pthread_mutex_unlock(&buf->lock); |
513 | return -1; |
514 | } |
515 | size_t read_space = GetReadSpace(buf->wr, buf->rd, buf->size); |
516 | if (read_space < bytes) { |
517 | pthread_mutex_unlock(&buf->lock); |
518 | return -1; |
519 | } |
520 | read_from_buffer(buf->rd, buffer, bytes, buf->start_add, buf->size); |
521 | buf->rd = update_pointer(buf->rd, bytes, buf->start_add, buf->size); |
522 | pthread_mutex_unlock(&buf->lock); |
523 | return bytes; |
524 | } |
525 | |
526 | static int get_output_deviceID(void); |
527 | |
528 | int GetOutputdevice(void) { |
529 | return get_output_deviceID(); |
530 | } |
531 | |
532 | static int set_input_stream_sample_rate(unsigned int sr, |
533 | struct aml_stream_in *in) { |
534 | if (check_input_stream_sr(sr) == 0) { |
535 | in->config.rate = sr; |
536 | } else { |
537 | in->config.rate = pcm_config_in.rate; |
538 | } |
539 | return 0; |
540 | } |
541 | |
542 | static int get_aml_card(void) { |
543 | int card = -1, err = -1; |
544 | int fd = -1; |
545 | unsigned fileSize = 512; |
546 | char *read_buf = NULL, *pd = NULL; |
547 | static const char * const SOUND_CARDS_PATH = "/proc/asound/cards"; |
548 | fd = open(SOUND_CARDS_PATH, O_RDONLY); |
549 | if (fd < 0) { |
550 | ALOGE("ERROR: failed to open config file %s error: %d\n", |
551 | SOUND_CARDS_PATH, errno); |
552 | return -EINVAL; |
553 | } |
554 | |
555 | read_buf = (char *) malloc(fileSize); |
556 | if (!read_buf) { |
557 | ALOGE("Failed to malloc read_buf"); |
558 | close(fd); |
559 | return -ENOMEM; |
560 | } |
561 | memset(read_buf, 0x0, fileSize); |
562 | err = read(fd, read_buf, fileSize); |
563 | if (err < 0) { |
564 | ALOGE("ERROR: failed to read config file %s error: %d\n", |
565 | SOUND_CARDS_PATH, errno); |
566 | close(fd); |
567 | free(read_buf); |
568 | return -EINVAL; |
569 | } |
570 | pd = strstr(read_buf, "AML"); |
571 | card = *(pd - 3) - '0'; |
572 | |
573 | free(read_buf); |
574 | close(fd); |
575 | return card; |
576 | } |
577 | |
578 | static int get_aml_device(int device_ID) { |
579 | int port = -1, err = 0; |
580 | int fd = -1; |
581 | unsigned fileSize = 512; |
582 | char *read_buf = NULL, *pd = NULL; |
583 | static const char *const SOUND_PCM_PATH = "/proc/asound/pcm"; |
584 | fd = open(SOUND_PCM_PATH, O_RDONLY); |
585 | if (fd < 0) { |
586 | ALOGE("ERROR: failed to open config file %s error: %d\n", SOUND_PCM_PATH, errno); |
587 | close(fd); |
588 | return -EINVAL; |
589 | } |
590 | |
591 | read_buf = (char *)malloc(fileSize); |
592 | if (!read_buf) { |
593 | ALOGE("Failed to malloc read_buf"); |
594 | close(fd); |
595 | return -ENOMEM; |
596 | } |
597 | memset(read_buf, 0x0, fileSize); |
598 | err = read(fd, read_buf, fileSize); |
599 | if (fd < 0) { |
600 | ALOGE("ERROR: failed to read config file %s error: %d\n", SOUND_PCM_PATH, errno); |
601 | close(fd); |
602 | return -EINVAL; |
603 | } |
604 | |
605 | if (device_ID == 1) { |
606 | pd = strstr(read_buf, "SPDIF"); |
607 | port = *(pd -3) - '0'; |
608 | } else if (device_ID == 0){ |
609 | pd = strstr(read_buf, "I2S"); |
610 | port = *(pd -3) - '0'; |
611 | } |
612 | OUT: |
613 | free(read_buf); |
614 | close(fd); |
615 | return port; |
616 | } |
617 | |
618 | static int alsa_in_open(struct aml_stream_in *in) { |
619 | in->config.channels = pcm_config_in.channels; |
620 | in->config.period_size = pcm_config_in.period_size; |
621 | in->config.period_count = pcm_config_in.period_count; |
622 | in->config.format = pcm_config_in.format; |
623 | in->config.stop_threshold = CAPTURE_PERIOD_SIZE * CAPTURE_PERIOD_COUNT * 10; |
624 | in->standby = 1; |
625 | in->resample_request = 0; |
626 | in->resample_temp_buffer = NULL; |
627 | in->max_bytes = in->config.period_size << 2; |
628 | in->pre_gain = 1.0; |
629 | in->pre_mute = 0; |
630 | |
631 | if (in->config.rate == 0) { |
632 | in->config.rate = pcm_config_in.rate; |
633 | } |
634 | |
635 | if (in->config.rate != pcm_config_in.rate) { |
636 | in->resample_request = 1; |
637 | int ret = resampler_init(in); |
638 | if (ret < 0) { |
639 | return -1; |
640 | } |
641 | } |
642 | |
643 | pthread_mutex_lock(&in->lock); |
644 | in->card = get_aml_card(); |
645 | in->pcm = pcm_open(in->card, in->device, PCM_IN, &(in->config)); |
646 | if (!pcm_is_ready(in->pcm)) { |
647 | ALOGE("%s, Unable to open PCM device in: %s\n", __FUNCTION__, |
648 | pcm_get_error(in->pcm)); |
649 | pcm_close(in->pcm); |
650 | pthread_mutex_unlock(&in->lock); |
651 | return -1; |
652 | } |
653 | |
654 | in->standby = 0; |
655 | ALOGD("%s, Input device is opened: card(%d), device(%d)\n", __FUNCTION__, |
656 | in->card, in->device); |
657 | pthread_mutex_unlock(&in->lock); |
658 | return 0; |
659 | } |
660 | |
661 | static int alsa_in_close(struct aml_stream_in *in) { |
662 | ALOGD("%s, Do input close!\n", __FUNCTION__); |
663 | |
664 | pthread_mutex_lock(&in->lock); |
665 | if (!in->standby) { |
666 | pcm_close(in->pcm); |
667 | in->pcm = NULL; |
668 | in->standby = 1; |
669 | } |
670 | if (in->resample_request && (in->resample_temp_buffer != NULL)) { |
671 | free(in->resample_temp_buffer); |
672 | in->resample_temp_buffer = NULL; |
673 | } |
674 | pthread_mutex_unlock(&in->lock); |
675 | return 0; |
676 | } |
677 | |
678 | static int get_in_framesize(struct aml_stream_in *in) { |
679 | int sample_format = 0; |
680 | if (in->config.format == PCM_FORMAT_S16_LE) { |
681 | sample_format = 2; |
682 | } |
683 | return sample_format * in->config.channels; |
684 | } |
685 | |
686 | static void apply_stream_volume_and_pregain(float vol, float gain, char *buf, int size) { |
687 | uint i; |
688 | short *sample = (short*)buf; |
689 | for (i = 0; i < size/sizeof(short); i++) |
690 | sample[i] = gain*vol*sample[i]; |
691 | } |
692 | |
693 | static int alsa_in_read(struct aml_stream_in *in, void* buffer, size_t bytes) { |
694 | int ret; |
695 | int resample_request = in->resample_request; |
696 | |
697 | pthread_mutex_lock(&in->lock); |
698 | if (in->standby) { |
699 | pthread_mutex_unlock(&in->lock); |
700 | ALOGD("%s, Input device is closed!\n", __FUNCTION__); |
701 | return 0; |
702 | } |
703 | //if raw data in HDMI-in, no need to resample |
704 | if (GetOutputdevice() == 2) { |
705 | resample_request = 0; |
706 | } |
707 | |
708 | int output_size = 0; |
709 | if (resample_request == 1) { |
710 | ret = pcm_read(in->pcm, in->resample_temp_buffer, bytes); |
711 | if (ret < 0) { |
712 | //wait for next frame |
713 | usleep(bytes * 1000000 / get_in_framesize(in) / in->config.rate); |
714 | pthread_mutex_unlock(&in->lock); |
715 | return ret; |
716 | } |
717 | |
718 | if (GetOutputdevice() != 2 && |
719 | (gUSBCheckFlag & AUDIO_DEVICE_OUT_SPEAKER) != 0) { |
720 | float vol = get_android_stream_volume(); |
721 | float gain = in->pre_gain; |
722 | uint pre_mute = in->pre_mute; |
723 | if (!pre_mute) |
724 | apply_stream_volume_and_pregain(vol,gain,in->resample_temp_buffer,bytes); |
725 | else |
726 | memset(in->resample_temp_buffer, 0, bytes); |
727 | } |
728 | DoDumpData(in->resample_temp_buffer, bytes, CC_DUMP_SRC_TYPE_INPUT); |
729 | |
730 | output_size = resample_process(in, bytes >> 2, |
731 | (short *) in->resample_temp_buffer, (short *) buffer) << 2; |
732 | } else { |
733 | ret = pcm_read(in->pcm, buffer, bytes); |
734 | if (ret < 0) { |
735 | //wait for next frame |
736 | usleep(bytes * 1000000 / get_in_framesize(in) / in->config.rate); |
737 | ALOGE("Can't read data from alsa!\n"); |
738 | pthread_mutex_unlock(&in->lock); |
739 | return ret; |
740 | } |
741 | |
742 | if (GetOutputdevice() != 2 && |
743 | (gUSBCheckFlag & AUDIO_DEVICE_OUT_SPEAKER) != 0) { |
744 | float vol = get_android_stream_volume(); |
745 | float gain = in->pre_gain; |
746 | uint pre_mute = in->pre_mute; |
747 | if (!pre_mute) |
748 | apply_stream_volume_and_pregain(vol,gain,buffer,bytes); |
749 | else |
750 | memset(buffer, 0, bytes); |
751 | } |
752 | if (type_AUDIO_IN == 2 && GetOutputdevice() != 2) { |
753 | short *ptr = buffer; |
754 | short data; |
755 | int i = 0; |
756 | int frame_size = bytes >> 2; |
757 | for (i = 0; i < frame_size; i++) { |
758 | data = (short)audio_IIR_process((int)(*ptr), 0); |
759 | *ptr++ = data; |
760 | data = (short)audio_IIR_process((int)(*ptr), 1); |
761 | *ptr++ = data; |
762 | } |
763 | } |
764 | DoDumpData(buffer, bytes, CC_DUMP_SRC_TYPE_INPUT); |
765 | |
766 | output_size = bytes; |
767 | } |
768 | pthread_mutex_unlock(&in->lock); |
769 | return output_size; |
770 | } |
771 | |
772 | static int alsa_out_open(struct aml_stream_out *out) { |
773 | out->config.period_size = pcm_config_out.period_size; |
774 | out->config.rate = pcm_config_out.rate; |
775 | out->config.period_count = pcm_config_out.period_count; |
776 | out->standby = 1; |
777 | if (getprop_bool("ro.platform.has.tvuimode")) { |
778 | out->config.channels = 8; |
779 | out->config.format = PCM_FORMAT_S32_LE; |
780 | out->tmp_buffer_8ch = malloc(out->config.period_size * 4 * 8); /*8 channel, 32bit*/ |
781 | if (out->tmp_buffer_8ch == NULL) { |
782 | ALOGE("cannot malloc memory for out->tmp_buffer_8ch"); |
783 | return -ENOMEM; |
784 | } |
785 | out->audioeffect_tmp_buffer = malloc(out->config.period_size * 6); |
786 | if (out->audioeffect_tmp_buffer == NULL) { |
787 | ALOGE("cannot malloc memory for audioeffect_tmp_buffer"); |
788 | return -ENOMEM; |
789 | } |
790 | out->is_tv_platform = 1; |
791 | }else { |
792 | out->config.channels = pcm_config_out.channels; |
793 | out->config.format = pcm_config_out.format; |
794 | out->is_tv_platform = 0; |
795 | } |
796 | |
797 | pthread_mutex_lock(&out->lock); |
798 | out->card = get_aml_card(); |
799 | out->pcm = pcm_open(out->card, out->device, PCM_OUT, &(out->config)); |
800 | if (!pcm_is_ready(out->pcm)) { |
801 | ALOGE("%s, Unable to open PCM device out: %s\n", __FUNCTION__, |
802 | pcm_get_error(out->pcm)); |
803 | pcm_close(out->pcm); |
804 | pthread_mutex_unlock(&out->lock); |
805 | return -1; |
806 | } |
807 | out->standby = 0; |
808 | ALOGD("%s, Output device is opened: card(%d), device(%d)\n", __FUNCTION__, |
809 | out->card, out->device); |
810 | pthread_mutex_unlock(&out->lock); |
811 | return 0; |
812 | } |
813 | |
814 | static int alsa_out_close(struct aml_stream_out *out) { |
815 | ALOGD("%s, Do output close!\n", __FUNCTION__); |
816 | |
817 | pthread_mutex_lock(&out->lock); |
818 | if (out->is_tv_platform == 1) { |
819 | free(out->tmp_buffer_8ch); |
820 | free(out->audioeffect_tmp_buffer); |
821 | out->is_tv_platform = 0; |
822 | } |
823 | if (!out->standby) { |
824 | pcm_close(out->pcm); |
825 | out->pcm = NULL; |
826 | out->standby = 1; |
827 | } |
828 | pthread_mutex_unlock(&out->lock); |
829 | return 0; |
830 | } |
831 | |
832 | static int get_out_framesize(struct aml_stream_out *out) { |
833 | int sample_format = 0; |
834 | if (out->config.format == PCM_FORMAT_S16_LE) |
835 | sample_format = 2; |
836 | return sample_format * out->config.channels; |
837 | } |
838 | |
839 | static int alsa_out_write(struct aml_stream_out *out, void* buffer, |
840 | size_t bytes) { |
841 | int ret; |
842 | int input_frames = bytes >> 2; |
843 | |
844 | pthread_mutex_lock(&out->lock); |
845 | if (out->standby) { |
846 | pthread_mutex_unlock(&out->lock); |
847 | ALOGD("%s, Output device is closed!\n", __FUNCTION__); |
848 | return 0; |
849 | } |
850 | |
851 | if (out->is_tv_platform == 1) { |
852 | int16_t *tmp_buffer = (int16_t *)out->audioeffect_tmp_buffer; |
853 | int16_t *in_buffer = (int16_t *)buffer; |
854 | int out_byte = input_frames * 32; |
855 | int i = 0; |
856 | memcpy((void *)tmp_buffer, buffer, bytes); |
857 | audio_effect_process(tmp_buffer, input_frames); |
858 | for (i = 0; i < input_frames; i ++) { |
859 | out->tmp_buffer_8ch[8*i] = ((int32_t)(in_buffer[2*i])) << 16; |
860 | out->tmp_buffer_8ch[8*i + 1] = ((int32_t)(in_buffer[2*i + 1])) << 16; |
861 | out->tmp_buffer_8ch[8*i + 2] = ((int32_t)(tmp_buffer[2*i])) << 16; |
862 | out->tmp_buffer_8ch[8*i + 3] = ((int32_t)(tmp_buffer[2*i + 1])) << 16; |
863 | out->tmp_buffer_8ch[8*i + 4] = 0; |
864 | out->tmp_buffer_8ch[8*i + 5] = 0; |
865 | out->tmp_buffer_8ch[8*i + 6] = 0; |
866 | out->tmp_buffer_8ch[8*i + 7] = 0; |
867 | } |
868 | ret = pcm_write(out->pcm, out->tmp_buffer_8ch, out_byte); |
869 | } else { |
870 | audio_effect_process((short *)buffer, input_frames); |
871 | ret = pcm_write(out->pcm, buffer, bytes); |
872 | } |
873 | |
874 | if (ret < 0) { |
875 | usleep(bytes * 1000000 / get_out_framesize(out) / out->config.rate); |
876 | pthread_mutex_unlock(&out->lock); |
877 | return ret; |
878 | } |
879 | |
880 | pthread_mutex_unlock(&out->lock); |
881 | return bytes; |
882 | } |
883 | |
884 | static int reset_amaudio(struct aml_stream_out *out, int delay_size) { |
885 | struct buffer_status *buf = &out->playback_buf; |
886 | buf->rd = 0; |
887 | buf->wr = 0; |
888 | buf->level = buf->size; |
889 | int ret = ioctl(out->amAudio_OutHandle, AMAUDIO_IOC_RESET, delay_size); |
890 | if (ret < 0) { |
891 | ALOGE("%s, amaudio reset delay_size error!\n", __FUNCTION__); |
892 | return -1; |
893 | } |
894 | return 0; |
895 | } |
896 | |
897 | static int set_amaudio2_enable(int flag) { |
898 | int fd = 0; |
899 | char string[16]; |
900 | fd = open(AMAUDIO2_PREENABLE, O_CREAT | O_RDWR, 0664); |
901 | if (fd < 0) { |
902 | ALOGE("unable to open file %s \n", AMAUDIO2_PREENABLE); |
903 | return -1; |
904 | } |
905 | sprintf(string, "%d", flag); |
906 | write(fd, string, strlen(string)); |
907 | close(fd); |
908 | return 0; |
909 | } |
910 | |
911 | static int set_input_device(int flag) { |
912 | int fd = 0; |
913 | char string[16]; |
914 | fd = open(AMAUDIO2_INPUTDEVICE, O_CREAT | O_RDWR, 0664); |
915 | if (fd < 0) { |
916 | ALOGE("unable to open file %s \n", AMAUDIO2_INPUTDEVICE); |
917 | return -1; |
918 | } |
919 | sprintf(string, "%d", flag); |
920 | write(fd, string, strlen(string)); |
921 | close(fd); |
922 | return 0; |
923 | } |
924 | |
925 | static int new_audiotrack(struct aml_stream_out *out) { |
926 | int ret = 0, i = 0; |
927 | pthread_mutex_lock(&out->lock); |
928 | //ALOGD("%s, entering...\n", __FUNCTION__); |
929 | |
930 | if (gpAmlDevice == NULL) { |
931 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
932 | pthread_mutex_unlock(&out->lock); |
933 | return -1; |
934 | } |
935 | |
936 | set_amaudio2_enable(1); |
937 | ret = new_android_audiotrack(); |
938 | if (ret < 0) { |
939 | ALOGE("%s, New an audio track is fail!\n", __FUNCTION__); |
940 | pthread_mutex_unlock(&out->lock); |
941 | return -1; |
942 | } |
943 | |
944 | /* amaudio needs alsa running first to get the right params, so wait to make sure track is on */ |
945 | if (out->user_set_device == CC_OUT_USE_AMAUDIO) { |
946 | while (I2S_state < 5 && gpAmlDevice->aml_Audio_ThreadTurnOnFlag == 1) { |
947 | usleep(10 * 1000); |
948 | i++; |
949 | if (i >= 500) { |
950 | ALOGE("Time out error: wait %d s for waiting I2S ready.\n", i/100); |
951 | pthread_mutex_unlock(&out->lock); |
952 | return -1; |
953 | } |
954 | } |
955 | |
956 | ALOGD("Wait %d times for waiting I2S ready.\n", i); |
957 | } |
958 | |
959 | pthread_mutex_unlock(&out->lock); |
960 | return 0; |
961 | } |
962 | |
963 | static int release_audiotrack(struct aml_stream_out *out) { |
964 | ALOGD("%s, Release audio track!\n", __FUNCTION__); |
965 | pthread_mutex_lock(&out->lock); |
966 | int ret = release_android_audiotrack(); |
967 | if (ret < 0) { |
968 | ALOGE("%s, Delete audio track is fail!\n", __FUNCTION__); |
969 | } |
970 | set_amaudio2_enable(0); |
971 | pthread_mutex_unlock(&out->lock); |
972 | return 0; |
973 | } |
974 | |
975 | static int amaudio_out_open(struct aml_stream_out *out) { |
976 | out->config.period_size = pcm_config_out.period_size; |
977 | out->config.rate = pcm_config_out.rate; |
978 | out->config.period_count = pcm_config_out.period_count; |
979 | out->standby = 1; |
980 | if (getprop_bool("ro.platform.has.tvuimode")) { |
981 | out->config.channels = 8; |
982 | out->config.format = PCM_FORMAT_S32_LE; |
983 | out->tmp_buffer_8ch = malloc(out->config.period_size * 4 * 8); /*8 channel, 32bit*/ |
984 | if (out->tmp_buffer_8ch == NULL) { |
985 | ALOGE("cannot malloc memory for out->tmp_buffer_8ch"); |
986 | return -ENOMEM; |
987 | } |
988 | out->audioeffect_tmp_buffer = malloc(out->config.period_size * 6); |
989 | if (out->audioeffect_tmp_buffer == NULL) { |
990 | ALOGE("cannot malloc memory for audioeffect_tmp_buffer"); |
991 | return -ENOMEM; |
992 | } |
993 | out->is_tv_platform = 1; |
994 | }else { |
995 | out->config.channels = pcm_config_out.channels; |
996 | out->config.format = pcm_config_out.format; |
997 | out->is_tv_platform = 0; |
998 | } |
999 | |
1000 | pthread_mutex_lock(&out->lock); |
1001 | out->amAudio_OutHandle = -1; |
1002 | out->amAudio_OutHandle = open(AMAUDIO_OUT, O_RDWR); |
1003 | if (out->amAudio_OutHandle < 0) { |
1004 | close(out->amAudio_OutHandle); |
1005 | out->amAudio_OutHandle = -1; |
1006 | release_android_audiotrack(); |
1007 | pthread_mutex_unlock(&out->lock); |
1008 | ALOGE("%s, The device amaudio_out cant't be opened!\n", __FUNCTION__); |
1009 | return -1; |
1010 | } |
1011 | |
1012 | struct buffer_status *buf = &out->playback_buf; |
1013 | buf->size = ioctl(out->amAudio_OutHandle, AMAUDIO_IOC_GET_SIZE); |
1014 | buf->start_add = (unsigned char*) mmap(NULL, buf->size, PROT_READ | PROT_WRITE, |
1015 | MAP_FILE | MAP_SHARED, out->amAudio_OutHandle, 0); |
1016 | if (buf->start_add == 0) { |
1017 | close(out->amAudio_OutHandle); |
1018 | out->amAudio_OutHandle = -1; |
1019 | release_android_audiotrack(); |
1020 | pthread_mutex_unlock(&out->lock); |
1021 | ALOGE("%s, Error create mmap!\n", __FUNCTION__); |
1022 | return -1; |
1023 | } |
1024 | |
1025 | out->standby = 0; |
1026 | pthread_mutex_unlock(&out->lock); |
1027 | ALOGD("%s, Amaudio device is opened!\n", __FUNCTION__); |
1028 | return 0; |
1029 | } |
1030 | |
1031 | static int amaudio_out_close(struct aml_stream_out *out) { |
1032 | ALOGD("%s, Do amaudio device close!\n", __FUNCTION__); |
1033 | pthread_mutex_lock(&out->lock); |
1034 | if (out->is_tv_platform == 1) { |
1035 | free(out->tmp_buffer_8ch); |
1036 | free(out->audioeffect_tmp_buffer); |
1037 | } |
1038 | if (out->amAudio_OutHandle > 0) { |
1039 | close(out->amAudio_OutHandle); |
1040 | out->amAudio_OutHandle = -1; |
1041 | munmap(out->playback_buf.start_add, out->playback_buf.size); |
1042 | } |
1043 | pthread_mutex_unlock(&out->lock); |
1044 | return 0; |
1045 | } |
1046 | |
1047 | static int amaudio_out_write(struct aml_stream_out *out, void* buffer, |
1048 | size_t bytes) { |
1049 | struct buffer_status *buf = &out->playback_buf; |
1050 | int input_frames = bytes >> 2; |
1051 | unsigned char *out_buffer = NULL; |
1052 | |
1053 | pthread_mutex_lock(&out->lock); |
1054 | |
1055 | if (out->is_tv_platform == 1) { |
1056 | int16_t *tmp_buffer = (int16_t *)out->audioeffect_tmp_buffer; |
1057 | int16_t *in_buffer = (int16_t *)buffer; |
1058 | size_t out_byte = input_frames * 32; |
1059 | int i = 0; |
1060 | |
1061 | memcpy((void *)tmp_buffer, buffer, bytes); |
1062 | audio_effect_process(tmp_buffer, input_frames); |
1063 | for (i = 0; i < input_frames; i ++) { |
1064 | out->tmp_buffer_8ch[8*i] = ((int32_t)(in_buffer[2*i])) << 16; |
1065 | out->tmp_buffer_8ch[8*i + 1] = ((int32_t)(in_buffer[2*i + 1])) << 16; |
1066 | out->tmp_buffer_8ch[8*i + 2] = ((int32_t)(tmp_buffer[2*i])) << 16; |
1067 | out->tmp_buffer_8ch[8*i + 3] = ((int32_t)(tmp_buffer[2*i + 1])) << 16; |
1068 | out->tmp_buffer_8ch[8*i + 4] = 0; |
1069 | out->tmp_buffer_8ch[8*i + 5] = 0; |
1070 | out->tmp_buffer_8ch[8*i + 6] = 0; |
1071 | out->tmp_buffer_8ch[8*i + 7] = 0; |
1072 | } |
1073 | |
1074 | //get rd ptr, and calculate write space |
1075 | buf->rd = ioctl(out->amAudio_OutHandle, AMAUDIO_IOC_GET_PTR); |
1076 | buf->level = buf->size - ((buf->size + buf->wr - buf->rd) % buf->size); |
1077 | |
1078 | if (buf->level <= out_byte) { |
1079 | ALOGD("Reset amaudio: buf->level=%x,buf->rd = %x,buf->wr=%x\n", |
1080 | buf->level, buf->rd, buf->wr); |
1081 | pthread_mutex_unlock(&out->lock); |
1082 | return -1; |
1083 | } |
1084 | out_buffer = buf->start_add + buf->wr; |
1085 | memcpy((void *)out_buffer, (void *)out->tmp_buffer_8ch, out_byte); |
1086 | |
1087 | // update the write pointer and write space |
1088 | buf->wr = (buf->wr + out_byte) % buf->size; |
1089 | buf->level = buf->size - ((buf->size + buf->wr - buf->rd) % buf->size); |
1090 | ioctl(out->amAudio_OutHandle, AMAUDIO_IOC_UPDATE_APP_PTR, buf->wr); |
1091 | |
1092 | } else { |
1093 | audio_effect_process((short *)buffer, input_frames); |
1094 | |
1095 | //get rd ptr, and calculate write space |
1096 | buf->rd = ioctl(out->amAudio_OutHandle, AMAUDIO_IOC_GET_PTR); |
1097 | buf->level = buf->size - ((buf->size + buf->wr - buf->rd) % buf->size); |
1098 | |
1099 | if (buf->level <= bytes) { |
1100 | ALOGD("Reset amaudio: buf->level=%x,buf->rd = %x,buf->wr=%x\n", |
1101 | buf->level, buf->rd, buf->wr); |
1102 | pthread_mutex_unlock(&out->lock); |
1103 | return -1; |
1104 | } |
1105 | out_buffer = buf->start_add + buf->wr; |
1106 | memcpy((void *)out_buffer, buffer, bytes); |
1107 | |
1108 | // update the write pointer and write space |
1109 | buf->wr = (buf->wr + bytes) % buf->size; |
1110 | buf->level = buf->size - ((buf->size + buf->wr - buf->rd) % buf->size); |
1111 | ioctl(out->amAudio_OutHandle, AMAUDIO_IOC_UPDATE_APP_PTR, buf->wr); |
1112 | } |
1113 | |
1114 | pthread_mutex_unlock(&out->lock); |
1115 | return bytes; |
1116 | } |
1117 | |
1118 | static int malloc_buffer(struct aml_dev *device) { |
1119 | void *buffer = NULL; |
1120 | struct aml_stream_in *in = &device->in; |
1121 | struct aml_stream_out *out = &device->out; |
1122 | |
1123 | buffer = malloc(TEMP_BUFFER_SIZE); |
1124 | if (buffer == NULL) { |
1125 | ALOGD("%s, Malloc temp buffer failed!\n", __FUNCTION__); |
1126 | return -1; |
1127 | } |
1128 | start_temp_buffer = buffer; |
1129 | in->write_buffer = buffer; |
1130 | out->read_buffer = buffer; |
1131 | |
1132 | in->temp_buffer = malloc(in->max_bytes); |
1133 | if (in->temp_buffer == NULL) { |
1134 | ALOGD("%s, Malloc input temp buffer failed!\n", __FUNCTION__); |
1135 | return -1; |
1136 | } |
1137 | |
1138 | out->temp_buffer = malloc(pcm_config_out.period_size << 2); |
1139 | if (out->temp_buffer == NULL) { |
1140 | ALOGD("%s, Malloc output temp buffer failed!\n", __FUNCTION__); |
1141 | return -1; |
1142 | } |
1143 | |
1144 | return 0; |
1145 | } |
1146 | |
1147 | static int release_buffer(struct aml_dev *device) { |
1148 | struct aml_stream_in *in = &device->in; |
1149 | struct aml_stream_out *out = &device->out; |
1150 | |
1151 | if (start_temp_buffer != NULL) { |
1152 | free(start_temp_buffer); |
1153 | start_temp_buffer = NULL; |
1154 | in->write_buffer = NULL; |
1155 | out->read_buffer = NULL; |
1156 | } |
1157 | if (in->temp_buffer != NULL) { |
1158 | free(in->temp_buffer); |
1159 | in->temp_buffer = NULL; |
1160 | } |
1161 | if (out->temp_buffer != NULL) { |
1162 | free(out->temp_buffer); |
1163 | out->temp_buffer = NULL; |
1164 | } |
1165 | return 0; |
1166 | } |
1167 | |
1168 | static int audio_effect_release() { |
1169 | unload_EQ_lib(); |
1170 | unload_SRS_lib(); |
1171 | unload_aml_IIR_lib(); |
1172 | return 0; |
1173 | } |
1174 | |
1175 | static int set_output_deviceID(int deviceID) { |
1176 | int ret; |
1177 | |
1178 | if (gpAmlDevice == NULL) { |
1179 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
1180 | return -1; |
1181 | } |
1182 | |
1183 | gpAmlDevice->output_mode = deviceID; |
1184 | ALOGE("%s, set output device ID: %d!\n", __FUNCTION__, deviceID); |
1185 | return 0; |
1186 | } |
1187 | |
1188 | static int get_output_deviceID(void) { |
1189 | if (gpAmlDevice == NULL) { |
1190 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
1191 | return -1; |
1192 | } |
1193 | return gpAmlDevice->output_mode; |
1194 | } |
1195 | |
1196 | static int aml_device_init(struct aml_dev *device) { |
1197 | int ret; |
1198 | |
1199 | ALOGD("%s, start to open Devices!\n", __FUNCTION__); |
1200 | |
1201 | //Malloc temp buffer for audiotrak out |
1202 | ret = tmp_buffer_init(&android_out_buffer, ANDROID_OUT_BUFFER_SIZE); |
1203 | if (ret < 0) { |
1204 | ALOGE("%s, malloc temp buffer error!\n", __FUNCTION__); |
1205 | goto error1; |
1206 | } |
1207 | |
1208 | ret = tmp_buffer_init(&DDP_out_buffer, DDP_OUT_BUFFER_SIZE); |
1209 | if (ret < 0) { |
1210 | ALOGE("%s, malloc ddp buffer failed!\n", __FUNCTION__); |
1211 | goto error2; |
1212 | } |
1213 | // add a temp buffer to store dd 61937 audio frame |
1214 | ret = tmp_buffer_init(&DD_out_buffer, DD_61937_BUFFER_SIZE); |
1215 | if (ret < 0) { |
1216 | ALOGE("%s, malloc dd 61937 buffer failed!\n", __FUNCTION__); |
1217 | goto error3; |
1218 | } |
1219 | //open input device of tinyalsa |
1220 | ret = alsa_in_open(&device->in); |
1221 | if (ret < 0) { |
1222 | ALOGE("%s, open alsa in device open error!\n", __FUNCTION__); |
1223 | goto error3; |
1224 | } |
1225 | |
1226 | //Malloc temp buffer for input and output |
1227 | ret = malloc_buffer(device); |
1228 | if (ret < 0) { |
1229 | ALOGE("%s, malloc buffer error!\n", __FUNCTION__); |
1230 | goto error4; |
1231 | } |
1232 | |
1233 | if (device->out.user_set_device == CC_OUT_USE_ALSA) { |
1234 | set_output_deviceID(MODEAMAUDIO); |
1235 | //open output device of tinyalsa |
1236 | ret = alsa_out_open(&device->out); |
1237 | if (ret < 0) { |
1238 | ALOGE("%s, open alsa out device open error!\n", __FUNCTION__); |
1239 | goto error5; |
1240 | } |
1241 | } else if (device->out.user_set_device == CC_OUT_USE_AMAUDIO) { |
1242 | set_output_deviceID(MODEAMAUDIO); |
1243 | //open output device of amaudio |
1244 | ret = new_audiotrack(&device->out); |
1245 | if (ret < 0) { |
1246 | ALOGE("%s, new audiotrack error!\n", __FUNCTION__); |
1247 | goto error5; |
1248 | } |
1249 | ret = amaudio_out_open(&device->out); |
1250 | if (ret < 0) { |
1251 | release_audiotrack(&device->out); |
1252 | ALOGE("%s, open amaudio out device error!\n", __FUNCTION__); |
1253 | goto error5; |
1254 | } |
1255 | } else if (device->out.user_set_device == CC_OUT_USE_ANDROID) { |
1256 | set_output_deviceID(MODEANDROID); |
1257 | ret = new_audiotrack(&device->out); |
1258 | if (ret < 0) { |
1259 | ALOGE("%s, open android out device error!\n", __FUNCTION__); |
1260 | goto error5; |
1261 | } |
1262 | } |
1263 | |
1264 | //EQ lib load and init EQ |
1265 | ret = load_EQ_lib(); |
1266 | if (ret < 0) { |
1267 | ALOGE("%s, Load EQ lib fail!\n", __FUNCTION__); |
1268 | device->has_EQ_lib = 0; |
1269 | } else { |
1270 | ret = HPEQ_init(); |
1271 | if (ret < 0) { |
1272 | device->has_EQ_lib = 0; |
1273 | } else { |
1274 | device->has_EQ_lib = 1; |
1275 | } |
1276 | HPEQ_enable(1); |
1277 | } |
1278 | |
1279 | //load srs lib and init it. SRS is behand resampling, so sample rate is as default sr. |
1280 | ret = load_SRS_lib(); |
1281 | if (ret < 0) { |
1282 | ALOGE("%s, Load SRS lib fail!\n", __FUNCTION__); |
1283 | device->has_SRS_lib = 0; |
1284 | } else { |
1285 | ret = srs_init(device->out.config.rate); |
1286 | if (ret < 0) { |
1287 | device->has_SRS_lib = 0; |
1288 | } else { |
1289 | device->has_SRS_lib = 1; |
1290 | } |
1291 | } |
1292 | |
1293 | //load aml_IIR lib |
1294 | ret = load_aml_IIR_lib(); |
1295 | if (ret < 0) { |
1296 | ALOGE("%s, Load aml_IIR lib fail!\n", __FUNCTION__); |
1297 | device->has_aml_IIR_lib = 0; |
1298 | } else { |
1299 | char value[PROPERTY_VALUE_MAX]; |
1300 | int paramter = 0; |
1301 | if (property_get("media.audio.LFP.paramter", value, NULL) > 0) { |
1302 | paramter = atoi(value); |
1303 | } |
1304 | aml_IIR_init(paramter); |
1305 | device->has_aml_IIR_lib = 1; |
1306 | } |
1307 | |
1308 | audio_IIR_init(); |
1309 | |
1310 | ALOGD("%s, exiting...\n", __FUNCTION__); |
1311 | return 0; |
1312 | |
1313 | error5: release_buffer(device); |
1314 | error4: alsa_in_close(&device->in); |
1315 | error3: tmp_buffer_release (&DDP_out_buffer); |
1316 | tmp_buffer_release (&DD_out_buffer); |
1317 | error2: tmp_buffer_release (&android_out_buffer); |
1318 | error1: return ret; |
1319 | |
1320 | } |
1321 | |
1322 | static int aml_device_close(struct aml_dev *device) { |
1323 | struct aml_stream_in *in = &device->in; |
1324 | struct aml_stream_out *out = &device->out; |
1325 | |
1326 | alsa_in_close(in); |
1327 | |
1328 | if (in->delay_buf.size != 0) { |
1329 | free(in->delay_buf.start_add); |
1330 | } |
1331 | |
1332 | if (out->output_device == CC_OUT_USE_ALSA) { |
1333 | alsa_out_close(out); |
1334 | } else if (out->output_device == CC_OUT_USE_AMAUDIO) { |
1335 | amaudio_out_close(out); |
1336 | release_audiotrack(out); |
1337 | } else if (out->output_device == CC_OUT_USE_ANDROID) { |
1338 | release_audiotrack(out); |
1339 | } |
1340 | |
1341 | omx_codec_close(); |
1342 | omx_codec_dts_close(); |
1343 | omx_started = 0; |
1344 | tmp_buffer_release (&DDP_out_buffer); |
1345 | tmp_buffer_release (&DD_out_buffer); |
1346 | tmp_buffer_release (&android_out_buffer); |
1347 | release_buffer(device); |
1348 | audio_effect_release(); |
1349 | return 0; |
1350 | } |
1351 | |
1352 | static void USB_check(struct aml_stream_out *out) { |
1353 | |
1354 | gUSBCheckFlag = GetUsbAudioCheckFlag(); |
1355 | if (gUSBCheckLastFlag == gUSBCheckFlag) { |
1356 | return; |
1357 | } |
1358 | |
1359 | ALOGI("Audio Device is changed from %x to %x!\n", gUSBCheckLastFlag, gUSBCheckFlag); |
1360 | |
1361 | //if audio record from submix, don't change device |
1362 | if ((gUSBCheckFlag & AUDIO_DEVICE_OUT_REMOTE_SUBMIX) != 0) { |
1363 | gUSBCheckLastFlag = gUSBCheckFlag; |
1364 | set_output_record_enable(1); |
1365 | return; |
1366 | } else if((gUSBCheckLastFlag & AUDIO_DEVICE_OUT_REMOTE_SUBMIX) != 0) { |
1367 | gUSBCheckLastFlag = gUSBCheckFlag; |
1368 | set_output_record_enable(0); |
1369 | return; |
1370 | } |
1371 | |
1372 | if ((gUSBCheckFlag & AUDIO_DEVICE_OUT_SPEAKER) == 0) { |
1373 | if (out->output_device == CC_OUT_USE_AMAUDIO && omx_started == 0) { |
1374 | amaudio_out_close(out); |
1375 | set_output_deviceID(MODEANDROID); |
1376 | out->output_device = CC_OUT_USE_ANDROID; |
1377 | } else if (out->output_device == CC_OUT_USE_ALSA && omx_started == 0) { |
1378 | alsa_out_close(out); |
1379 | new_audiotrack(out); |
1380 | set_output_deviceID(MODEANDROID); |
1381 | out->output_device = CC_OUT_USE_ANDROID; |
1382 | } |
1383 | ALOGI("%s, USB audio playback device is in.\n", __FUNCTION__); |
1384 | } else if ((gUSBCheckFlag & AUDIO_DEVICE_OUT_SPEAKER) != 0 && gUSBCheckLastFlag != 0) { |
1385 | if (out->user_set_device == CC_OUT_USE_AMAUDIO && omx_started == 0) { |
1386 | amaudio_out_open(out); |
1387 | set_output_deviceID(MODEAMAUDIO); |
1388 | out->output_device = CC_OUT_USE_AMAUDIO; |
1389 | } else if (out->user_set_device == CC_OUT_USE_ALSA |
1390 | && omx_started == 0) { |
1391 | release_audiotrack(out); |
1392 | alsa_out_open(out); |
1393 | set_output_deviceID(MODEAMAUDIO); |
1394 | out->output_device = CC_OUT_USE_ALSA; |
1395 | } |
1396 | ALOGI("%s, USB audio playback device is out.\n", __FUNCTION__); |
1397 | } |
1398 | gUSBCheckLastFlag = gUSBCheckFlag; |
1399 | return; |
1400 | } |
1401 | |
1402 | static int get_channel_status(void) { |
1403 | struct mixer *pmixer; |
1404 | struct mixer_ctl *pctl; |
1405 | int card_id; |
1406 | int type_I2S = -1; |
1407 | int type_SPDIF = -1; |
1408 | |
1409 | card_id = get_aml_card(); |
1410 | pmixer = mixer_open(card_id); |
1411 | if (NULL == pmixer) { |
1412 | ALOGE("[%s:%d] Failed to open mixer\n", __FUNCTION__, __LINE__); |
1413 | goto err_exit; |
1414 | } |
1415 | pctl = mixer_get_ctl_by_name(pmixer, Audio_In_Source_TYPE); |
1416 | if (NULL != pctl) { |
1417 | type_AUDIO_IN = mixer_ctl_get_value(pctl, 0); |
1418 | if (type_AUDIO_IN != 2) { |
1419 | mixer_close(pmixer); |
1420 | return LPCM; |
1421 | } |
1422 | } |
1423 | |
1424 | pctl = mixer_get_ctl_by_name(pmixer, SPDIF_IN_AUDIO_TYPE); |
1425 | if (NULL != pctl) { |
1426 | type_SPDIF = mixer_ctl_get_value(pctl, 0); |
1427 | } |
1428 | |
1429 | pctl = mixer_get_ctl_by_name(pmixer, I2S_IN_AUDIO_TYPE); |
1430 | if (NULL != pctl) { |
1431 | type_I2S = mixer_ctl_get_value(pctl, 0); |
1432 | } |
1433 | |
1434 | if (type_SPDIF == LPCM && type_I2S == AC3) { |
1435 | mixer_close(pmixer); |
1436 | return MUTE; |
1437 | } |
1438 | |
1439 | mixer_close(pmixer); |
1440 | return type_SPDIF; |
1441 | |
1442 | err_exit: |
1443 | if (NULL != pmixer) { |
1444 | mixer_close(pmixer); |
1445 | } |
1446 | return -1; |
1447 | } |
1448 | |
1449 | static int set_Hardware_resample(int enable) { |
1450 | struct mixer *pmixer; |
1451 | struct mixer_ctl *pctl; |
1452 | int card_id; |
1453 | card_id = get_aml_card(); |
1454 | pmixer = mixer_open(card_id); |
1455 | if (NULL == pmixer) { |
1456 | ALOGE("[%s:%d] Failed to open mixer\n", __FUNCTION__, __LINE__); |
1457 | goto err_exit; |
1458 | } |
1459 | pctl = mixer_get_ctl_by_name(pmixer, HW_RESAMPLE_ENABLE); |
1460 | if (NULL != pctl) { |
1461 | mixer_ctl_set_value(pctl, 0, enable); |
1462 | } |
1463 | err_exit: |
1464 | if (NULL != pmixer) { |
1465 | mixer_close(pmixer); |
1466 | } |
1467 | return -1; |
1468 | } |
1469 | |
1470 | static int set_rawdata_in_enable(struct aml_stream_out *out) { |
1471 | if (out->output_device == CC_OUT_USE_AMAUDIO) { |
1472 | amaudio_out_close(out); |
1473 | } else if (out->output_device == CC_OUT_USE_ALSA) { |
1474 | alsa_out_close(out); |
1475 | new_audiotrack(out); |
1476 | } |
1477 | set_output_deviceID(MODERAW); |
1478 | out->output_device = CC_OUT_USE_ANDROID; |
1479 | set_Hardware_resample(4); |
1480 | digital_raw_enable = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); |
1481 | if (audioin_type == AC3 || audioin_type == EAC3) |
1482 | omx_codec_init(); |
1483 | if (audioin_type == DTS || audioin_type == DTSHD) |
1484 | omx_codec_dts_init(); |
1485 | return 0; |
1486 | } |
1487 | |
1488 | static int set_rawdata_in_disable(struct aml_stream_out *out) { |
1489 | |
1490 | omx_codec_close(); |
1491 | omx_codec_dts_close(); |
1492 | if ((gUSBCheckFlag & AUDIO_DEVICE_OUT_SPEAKER) != 0) { |
1493 | if (out->user_set_device == CC_OUT_USE_AMAUDIO) { |
1494 | set_output_deviceID(MODEAMAUDIO); |
1495 | amaudio_out_open(out); |
1496 | out->output_device = CC_OUT_USE_AMAUDIO; |
1497 | } else if (out->user_set_device == CC_OUT_USE_ANDROID) { |
1498 | set_output_deviceID(MODEANDROID); |
1499 | out->output_device = CC_OUT_USE_ANDROID; |
1500 | } else if (out->user_set_device == CC_OUT_USE_ALSA) { |
1501 | release_audiotrack(out); |
1502 | alsa_out_open(out); |
1503 | set_output_deviceID(MODEAMAUDIO); |
1504 | out->output_device = CC_OUT_USE_ALSA; |
1505 | } |
1506 | } else { |
1507 | set_output_deviceID(MODEANDROID); |
1508 | out->output_device = CC_OUT_USE_ANDROID; |
1509 | } |
1510 | set_Hardware_resample(5); |
1511 | return 0; |
1512 | } |
1513 | |
1514 | int set_output_record_enable(int enable) { |
1515 | pthread_mutex_lock(&device_change_lock); |
1516 | if (enable == 0) { |
1517 | output_record_enable = 0; |
1518 | ALOGI("%s, set output record disable!\n", __FUNCTION__); |
1519 | } else if (enable == 1) { |
1520 | output_record_enable = 1; |
1521 | ALOGI("%s, set output record enable\n", __FUNCTION__); |
1522 | } else { |
1523 | ALOGE("%s, invalid setting!\n", __FUNCTION__); |
1524 | } |
1525 | pthread_mutex_unlock(&device_change_lock); |
1526 | return 0; |
1527 | } |
1528 | |
1529 | static int check_audio_type(struct aml_stream_out *out) { |
1530 | audioin_type = get_channel_status(); |
1531 | if (audioin_type == MUTE) |
1532 | return MUTE; |
1533 | spdif_audio_type = audioin_type; |
1534 | if (audioin_type > LPCM && omx_started == 0) { |
1535 | raw_data_counter++; |
1536 | } |
1537 | if (audioin_type == LPCM && omx_started == 1) { |
1538 | pcm_data_counter++; |
1539 | } |
1540 | if (raw_data_counter >= 1 && omx_started == 0) { |
1541 | ALOGI("%s, audio type is changed to RAW data input!,type %d\n", __FUNCTION__,audioin_type); |
1542 | set_rawdata_in_enable(out); |
1543 | omx_started = 1; |
1544 | raw_data_counter = 0; |
1545 | } else if (pcm_data_counter >= 1 && omx_started == 1) { |
1546 | ALOGI("%s, audio type is changed to PCM data input!,type %d\n", __FUNCTION__,audioin_type); |
1547 | set_rawdata_in_disable(out); |
1548 | omx_started = 0; |
1549 | pcm_data_counter = 0; |
1550 | } |
1551 | /* |
1552 | if omx ddp decoder has been started, but user configure pcm ->raw output |
1553 | we need reset decoder to enable decoder to dd/dd+ converter |
1554 | */ |
1555 | else if (omx_started == 1) { |
1556 | int digtal_out = amsysfs_get_sysfs_int("/sys/class/audiodsp/digital_raw"); |
1557 | int need_reset_config = 0; |
1558 | if ((audioin_type == DTS ||audioin_type == EAC3) && digtal_out != digital_raw_enable) { |
1559 | ALOGI("DD+ passthrough flag changed from %d to %d\n",digital_raw_enable,digtal_out); |
1560 | need_reset_config = 1; |
1561 | } |
1562 | else if (digtal_out > 0 && digital_raw_enable == 0) { |
1563 | ALOGI("PCM output changed to RAW pass through\n"); |
1564 | need_reset_config = 1; |
1565 | } |
1566 | if (need_reset_config) { |
1567 | ALOGI("pcm to pass through,decoder to reset \n"); |
1568 | set_rawdata_in_disable(out); |
1569 | set_rawdata_in_enable(out); |
1570 | //omx_started = 0; |
1571 | } |
1572 | } |
1573 | return 0; |
1574 | } |
1575 | |
1576 | static int audio_effect_process(short* buffer, int frame_size) { |
1577 | int output_size = frame_size << 2; |
1578 | if (gpAmlDevice->has_SRS_lib) { |
1579 | output_size = srs_process(buffer, buffer, frame_size); |
1580 | } |
1581 | if (gpAmlDevice->has_EQ_lib) { |
1582 | HPEQ_process(buffer, buffer, frame_size); |
1583 | } |
1584 | if (gpAmlDevice->has_aml_IIR_lib) { |
1585 | short *ptr = buffer; |
1586 | short data; |
1587 | int i; |
1588 | for (i = 0; i < frame_size; i++) { |
1589 | data = (short)aml_IIR_process((int)(*ptr), 0); |
1590 | *ptr++ = data; |
1591 | data = (short)aml_IIR_process((int)(*ptr), 1); |
1592 | *ptr++ = data; |
1593 | } |
1594 | } |
1595 | return output_size; |
1596 | } |
1597 | |
1598 | static int set_delay(struct aml_stream_in *in, int frame_size) { |
1599 | unsigned char *buffer_ptr = NULL; |
1600 | int delay_buffer_size = in->delay_time * 192; |
1601 | int buffer_size = delay_buffer_size + frame_size; |
1602 | |
1603 | if (in->delay_buf.size < buffer_size) { |
1604 | in->delay_buf.start_add = (char *)realloc( |
1605 | in->delay_buf.start_add, buffer_size * sizeof(char)); |
1606 | if (!in->delay_buf.start_add) { |
1607 | ALOGE("realloc delay buffer failed\n"); |
1608 | return -1; |
1609 | } |
1610 | memset(in->delay_buf.start_add, 0, in->delay_buf.size); |
1611 | in->delay_buf.size = buffer_size; |
1612 | in->delay_buf.rd = in->delay_buf.start_add; |
1613 | in->delay_buf.wr = in->delay_buf.start_add + delay_buffer_size; |
1614 | ALOGI("realloc delay buffer size %d byte\n", buffer_size); |
1615 | } |
1616 | |
1617 | if (in->last_delay_time != in->delay_time) { |
1618 | in->delay_buf.wr = in->delay_buf.rd + delay_buffer_size; |
1619 | if (in->delay_buf.wr >= (in->delay_buf.start_add + in->delay_buf.size)) |
1620 | in->delay_buf.wr -= in->delay_buf.size; |
1621 | in->last_delay_time = in->delay_time; |
1622 | } |
1623 | |
1624 | write_to_buffer(in->delay_buf.wr, in->temp_buffer, frame_size, |
1625 | in->delay_buf.start_add, in->delay_buf.size); |
1626 | in->delay_buf.wr = update_pointer(in->delay_buf.wr, frame_size, |
1627 | in->delay_buf.start_add, in->delay_buf.size); |
1628 | |
1629 | read_from_buffer(in->delay_buf.rd, in->temp_buffer, frame_size, |
1630 | in->delay_buf.start_add, in->delay_buf.size); |
1631 | in->delay_buf.rd = update_pointer(in->delay_buf.rd, frame_size, |
1632 | in->delay_buf.start_add, in->delay_buf.size); |
1633 | |
1634 | return 0; |
1635 | } |
1636 | |
1637 | static void* aml_audio_threadloop(void *data __unused) { |
1638 | struct aml_stream_in *in = NULL; |
1639 | struct aml_stream_out *out = NULL; |
1640 | int output_size = 0; |
1641 | int i = 0, ret; |
1642 | |
1643 | if (gpAmlDevice == NULL) { |
1644 | ALOGE("%s, gpAmlDevice is NULL\n", __FUNCTION__); |
1645 | return ((void *) 0); |
1646 | } |
1647 | |
1648 | in = &gpAmlDevice->in; |
1649 | out = &gpAmlDevice->out; |
1650 | |
1651 | gUSBCheckLastFlag = 0; |
1652 | gUSBCheckFlag = 0; |
1653 | |
1654 | gpAmlDevice->aml_Audio_ThreadExecFlag = 1; |
1655 | prctl(PR_SET_NAME, (unsigned long)"aml_TV_audio"); |
1656 | ret = aml_device_init(gpAmlDevice); |
1657 | if (ret < 0) { |
1658 | ALOGE("%s, Devices fail opened!\n", __FUNCTION__); |
1659 | return NULL; |
1660 | } |
1661 | |
1662 | while (gpAmlDevice != NULL && gpAmlDevice->aml_Audio_ThreadTurnOnFlag) { |
1663 | //exit threadloop |
1664 | if (gpAmlDevice->aml_Audio_ThreadTurnOnFlag == 0) { |
1665 | ALOGD("%s, aml_Audio_ThreadTurnOnFlag is 0 break now.\n", |
1666 | __FUNCTION__); |
1667 | break; |
1668 | } |
1669 | if (GetWriteSpace((char *) in->write_buffer, (char *) out->read_buffer, |
1670 | TEMP_BUFFER_SIZE) > in->max_bytes) { |
1671 | output_size = alsa_in_read(in, in->temp_buffer, |
1672 | in->config.period_size * 4); |
1673 | if (output_size < 0) { |
1674 | //ALOGE("%s, alsa_in_read fail!\n", __FUNCTION__); |
1675 | } else { |
1676 | if (check_audio_type(out) == MUTE) |
1677 | memset((char *) in->temp_buffer, 0, output_size); |
1678 | if (in->delay_time != 0 && get_output_deviceID() == 0) { |
1679 | set_delay(in, output_size); |
1680 | } |
1681 | write_to_buffer((char *) in->write_buffer, |
1682 | (char *) in->temp_buffer, output_size, |
1683 | (char *) start_temp_buffer, TEMP_BUFFER_SIZE); |
1684 | in->write_buffer = update_pointer((char *) in->write_buffer, |
1685 | output_size, (char *) start_temp_buffer, |
1686 | TEMP_BUFFER_SIZE); |
1687 | } |
1688 | |
1689 | } |
1690 | |
1691 | USB_check(out); |
1692 | |
1693 | if (GetReadSpace((char *) in->write_buffer, (char *) out->read_buffer, |
1694 | TEMP_BUFFER_SIZE) > pcm_config_out.period_size << 2) { |
1695 | read_from_buffer((char *) out->read_buffer, |
1696 | (char *) out->temp_buffer, pcm_config_out.period_size << 2, |
1697 | (char *) start_temp_buffer, TEMP_BUFFER_SIZE); |
1698 | |
1699 | output_size = pcm_config_out.period_size << 2; |
1700 | if (gpAmlDevice->out.output_device == CC_OUT_USE_ALSA) { |
1701 | output_size = alsa_out_write(out, out->temp_buffer, |
1702 | output_size); |
1703 | } else if (gpAmlDevice->out.output_device == CC_OUT_USE_AMAUDIO) { |
1704 | output_size = amaudio_out_write(out, out->temp_buffer, |
1705 | output_size); |
1706 | if (output_size < 0) { |
1707 | amaudio_out_close(out); |
1708 | set_output_deviceID(MODEAMAUDIO); |
1709 | amaudio_out_open(out); |
1710 | reset_amaudio(out, 4096); |
1711 | } |
1712 | if (output_record_enable == 1) { |
1713 | buffer_write(&android_out_buffer, out->temp_buffer, |
1714 | output_size); |
1715 | } |
1716 | } else if (gpAmlDevice->out.output_device == CC_OUT_USE_ANDROID) { |
1717 | output_size = buffer_write(&android_out_buffer, |
1718 | out->temp_buffer, output_size); |
1719 | } |
1720 | |
1721 | if (output_size < 0) { |
1722 | //ALOGE("%s, out_write fail! bytes = %d \n", __FUNCTION__, output_size); |
1723 | } else { |
1724 | out->read_buffer = update_pointer((char *) out->read_buffer, |
1725 | output_size, (char *) start_temp_buffer, |
1726 | TEMP_BUFFER_SIZE); |
1727 | DoDumpData(out->temp_buffer, output_size, |
1728 | CC_DUMP_SRC_TYPE_OUTPUT); |
1729 | memset(out->temp_buffer, 0, output_size); |
1730 | } |
1731 | } |
1732 | } |
1733 | |
1734 | if (gpAmlDevice != NULL) { |
1735 | gpAmlDevice->aml_Audio_ThreadTurnOnFlag = 0; |
1736 | ALOGD("%s, set aml_Audio_ThreadTurnOnFlag as 0.\n", __FUNCTION__); |
1737 | gpAmlDevice->aml_Audio_ThreadExecFlag = 0; |
1738 | ALOGD("%s, set aml_Audio_ThreadExecFlag as 0.\n", __FUNCTION__); |
1739 | } |
1740 | |
1741 | ALOGD("%s, exiting...\n", __FUNCTION__); |
1742 | return ((void *) 0); |
1743 | } |
1744 | |
1745 | static int clrDevice(struct aml_dev *device) { |
1746 | memset((void *) device, 0, sizeof(struct aml_dev)); |
1747 | |
1748 | device->in.config.channels = 2; |
1749 | device->in.config.rate = DEFAULT_IN_SAMPLE_RATE; |
1750 | device->in.config.period_size = CAPTURE_PERIOD_SIZE; |
1751 | device->in.config.period_count = CAPTURE_PERIOD_COUNT; |
1752 | device->in.config.format = PCM_FORMAT_S16_LE; |
1753 | |
1754 | device->out.config.channels = 2; |
1755 | device->out.config.rate = DEFAULT_OUT_SAMPLE_RATE; |
1756 | device->out.config.period_size = PLAYBACK_PERIOD_SIZE; |
1757 | device->out.config.period_count = PLAYBACK_PERIOD_COUNT; |
1758 | device->out.config.format = PCM_FORMAT_S16_LE; |
1759 | |
1760 | return 0; |
1761 | } |
1762 | |
1763 | int aml_audio_open(unsigned int sr, int input_device, int output_device) { |
1764 | pthread_attr_t attr; |
1765 | struct sched_param param; |
1766 | int ret; |
1767 | |
1768 | ALOGD("%s, sr = %d, input_device = %d, output_device = %d\n", |
1769 | __FUNCTION__, sr, input_device, output_device); |
1770 | |
1771 | aml_audio_close(); |
1772 | |
1773 | pthread_mutex_lock(&amaudio_dev_op_mutex); |
1774 | |
1775 | gpAmlDevice = &gmAmlDevice; |
1776 | clrDevice(gpAmlDevice); |
1777 | |
1778 | ret = set_input_stream_sample_rate(sr, &gpAmlDevice->in); |
1779 | if (ret < 0) { |
1780 | ALOGE("%s, set_input_stream_sample_rate fail!\n", __FUNCTION__); |
1781 | clrDevice(gpAmlDevice); |
1782 | gpAmlDevice = NULL; |
1783 | pthread_mutex_unlock(&amaudio_dev_op_mutex); |
1784 | return -1; |
1785 | } |
1786 | |
1787 | gpAmlDevice->out.output_device = output_device; |
1788 | gpAmlDevice->out.user_set_device = output_device; |
1789 | if (gpAmlDevice->out.user_set_device == CC_OUT_USE_ALSA) { |
1790 | ALOGD("%s,Use tinyalsa as output device!\n", __FUNCTION__); |
1791 | } else if (gpAmlDevice->out.user_set_device == CC_OUT_USE_AMAUDIO) { |
1792 | ALOGD("%s, Use amlogic amaudio as output device!\n", __FUNCTION__); |
1793 | } else if (gpAmlDevice->out.user_set_device == CC_OUT_USE_ANDROID) { |
1794 | ALOGD("%s, Use amlogic android as output device!\n", __FUNCTION__); |
1795 | } else { |
1796 | ALOGE("%s, Unkown output device, use default amaudio\n", __FUNCTION__); |
1797 | gpAmlDevice->out.user_set_device = CC_OUT_USE_AMAUDIO; |
1798 | } |
1799 | |
1800 | ret = set_input_device(input_device); |
1801 | if (ret < 0) { |
1802 | ALOGE("Fail to set input device for HW resample!\n"); |
1803 | } |
1804 | |
1805 | gpAmlDevice->in.device = get_aml_device(input_device); |
1806 | |
1807 | pthread_attr_init(&attr); |
1808 | pthread_attr_setschedpolicy(&attr, SCHED_RR); |
1809 | param.sched_priority = sched_get_priority_max(SCHED_RR); |
1810 | /*pthread_attr_setschedpolicy(&attr, SCHED_FIFO); |
1811 | param.sched_priority = sched_get_priority_max(SCHED_FIFO); |
1812 | ALOGD("%s, aml_audio thread has %d priority!\n", |
1813 | __FUNCTION__, param.sched_priority);*/ |
1814 | pthread_attr_setschedparam(&attr, ¶m); |
1815 | gpAmlDevice->aml_Audio_ThreadTurnOnFlag = 1; |
1816 | gpAmlDevice->aml_Audio_ThreadExecFlag = 0; |
1817 | ret = pthread_create(&gpAmlDevice->aml_Audio_ThreadID, &attr, |
1818 | &aml_audio_threadloop, NULL); |
1819 | pthread_attr_destroy(&attr); |
1820 | if (ret != 0) { |
1821 | ALOGE("%s, Create thread fail!\n", __FUNCTION__); |
1822 | aml_device_close(gpAmlDevice); |
1823 | clrDevice(gpAmlDevice); |
1824 | gpAmlDevice = NULL; |
1825 | pthread_mutex_unlock(&amaudio_dev_op_mutex); |
1826 | return -1; |
1827 | } |
1828 | |
1829 | creat_pthread_for_android_check(&gpAmlDevice->android_check_ThreadID); |
1830 | |
1831 | pthread_mutex_unlock(&amaudio_dev_op_mutex); |
1832 | |
1833 | ALOGD("%s, exiting...\n", __FUNCTION__); |
1834 | return 0; |
1835 | } |
1836 | |
1837 | int aml_audio_close(void) { |
1838 | int i = 0, tmp_timeout_count = 1000; |
1839 | |
1840 | ALOGD("%s, gpAmlDevice = %p\n", __FUNCTION__, gpAmlDevice); |
1841 | |
1842 | pthread_mutex_lock(&amaudio_dev_op_mutex); |
1843 | |
1844 | if (gpAmlDevice != NULL) { |
1845 | gpAmlDevice->aml_Audio_ThreadTurnOnFlag = 0; |
1846 | ALOGD("%s, set aml_Audio_ThreadTurnOnFlag as 0.\n", __FUNCTION__); |
1847 | while (1) { |
1848 | if (gpAmlDevice->aml_Audio_ThreadExecFlag == 0) { |
1849 | break; |
1850 | } |
1851 | if (i >= tmp_timeout_count) { |
1852 | break; |
1853 | } |
1854 | i++; |
1855 | usleep(10 * 1000); |
1856 | } |
1857 | |
1858 | if (i >= tmp_timeout_count) { |
1859 | ALOGE("%s, we have try %d times, but the aml audio thread's exec flag is still(%d)!!!\n", |
1860 | __FUNCTION__, tmp_timeout_count, |
1861 | gpAmlDevice->aml_Audio_ThreadExecFlag); |
1862 | } else { |
1863 | ALOGD("%s, kill aml audio thread success after try %d times.\n", |
1864 | __FUNCTION__, i); |
1865 | } |
1866 | |
1867 | pthread_join(gpAmlDevice->aml_Audio_ThreadID, NULL); |
1868 | gpAmlDevice->aml_Audio_ThreadID = 0; |
1869 | |
1870 | exit_pthread_for_android_check(gpAmlDevice->android_check_ThreadID); |
1871 | gpAmlDevice->android_check_ThreadID = 0; |
1872 | |
1873 | aml_device_close(gpAmlDevice); |
1874 | clrDevice(gpAmlDevice); |
1875 | gpAmlDevice = NULL; |
1876 | |
1877 | ALOGD("%s, aml audio close success.\n", __FUNCTION__); |
1878 | } |
1879 | |
1880 | pthread_mutex_unlock(&amaudio_dev_op_mutex); |
1881 | return 0; |
1882 | } |
1883 | |
1884 | int check_input_stream_sr(unsigned int sr) { |
1885 | if (sr >= 8000 && sr <= 48000) { |
1886 | return 0; |
1887 | } |
1888 | return -1; |
1889 | } |
1890 | |
1891 | int set_output_mode(int mode) { |
1892 | if (gpAmlDevice == NULL) { |
1893 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
1894 | return -1; |
1895 | } |
1896 | |
1897 | if (mode < CC_OUT_MODE_DIRECT || mode > CC_OUT_MODE_DIRECT_MIX) { |
1898 | ALOGE("%s, mode error: mode = %d!\n", __FUNCTION__, mode); |
1899 | return -1; |
1900 | } |
1901 | |
1902 | int OutHandle = gpAmlDevice->out.amAudio_OutHandle; |
1903 | if (OutHandle < 0) { |
1904 | ALOGE("%s, amaudio out handle error!\n", __FUNCTION__); |
1905 | return -1; |
1906 | } |
1907 | |
1908 | pthread_mutex_lock(&gpAmlDevice->out.lock); |
1909 | ioctl(OutHandle, AMAUDIO_IOC_AUDIO_OUT_MODE, mode); |
1910 | pthread_mutex_unlock(&gpAmlDevice->out.lock); |
1911 | return 0; |
1912 | } |
1913 | |
1914 | int set_music_gain(int gain) { |
1915 | if (gpAmlDevice == NULL) { |
1916 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
1917 | return -1; |
1918 | } |
1919 | |
1920 | int OutHandle = gpAmlDevice->out.amAudio_OutHandle; |
1921 | if (OutHandle < 0) { |
1922 | ALOGE("%s, amaudio out handle error!\n", __FUNCTION__); |
1923 | return -1; |
1924 | } |
1925 | |
1926 | pthread_mutex_lock(&gpAmlDevice->out.lock); |
1927 | if (gain > 256) { |
1928 | gain = 256; |
1929 | } |
1930 | if (gain < 0) { |
1931 | gain = 0; |
1932 | } |
1933 | ioctl(OutHandle, AMAUDIO_IOC_MUSIC_GAIN, gain); |
1934 | ALOGD("%s, music gain :%d!\n", __FUNCTION__, gain); |
1935 | pthread_mutex_unlock(&gpAmlDevice->out.lock); |
1936 | return 0; |
1937 | } |
1938 | |
1939 | int set_left_gain(int left_gain) { |
1940 | if (gpAmlDevice == NULL) { |
1941 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
1942 | return -1; |
1943 | } |
1944 | |
1945 | int OutHandle = gpAmlDevice->out.amAudio_OutHandle; |
1946 | if (OutHandle < 0) { |
1947 | ALOGE("%s, amaudio out handle error!\n", __FUNCTION__); |
1948 | return -1; |
1949 | } |
1950 | pthread_mutex_lock(&gpAmlDevice->out.lock); |
1951 | if (left_gain > 256) { |
1952 | left_gain = 256; |
1953 | } |
1954 | if (left_gain < 0) { |
1955 | left_gain = 0; |
1956 | } |
1957 | ioctl(OutHandle, AMAUDIO_IOC_MIC_LEFT_GAIN, left_gain); |
1958 | ALOGD("%s, left mic gain :%d!\n", __FUNCTION__, left_gain); |
1959 | pthread_mutex_unlock(&gpAmlDevice->out.lock); |
1960 | return 0; |
1961 | } |
1962 | |
1963 | int set_right_gain(int right_gain) { |
1964 | if (gpAmlDevice == NULL) { |
1965 | ALOGE("%s, aml audio is not open, must open it first!\n", __FUNCTION__); |
1966 | return -1; |
1967 | } |
1968 | int OutHandle = gpAmlDevice->out.amAudio_OutHandle; |
1969 | if (OutHandle < 0) { |
1970 | ALOGE("%s, amaudio out handle error!\n", __FUNCTION__); |
1971 | return -1; |
1972 | } |
1973 | pthread_mutex_lock(&gpAmlDevice->out.lock); |
1974 | if (right_gain > 256) { |
1975 | right_gain = 256; |
1976 | } |
1977 | if (right_gain < 0) { |
1978 | right_gain = 0; |
1979 | } |
1980 | ioctl(OutHandle, AMAUDIO_IOC_MIC_RIGHT_GAIN, right_gain); |
1981 | ALOGD("%s, right mic gain :%d!\n", __FUNCTION__, right_gain); |
1982 | pthread_mutex_unlock(&gpAmlDevice->out.lock); |
1983 | return 0; |
1984 | } |
1985 | |
1986 | int set_audio_delay(int delay_ms) { |
1987 | gpAmlDevice->in.delay_time = delay_ms; |
1988 | ALOGI("Set audio delay time %d ms!\n", delay_ms); |
1989 | return 0; |
1990 | } |
1991 | |
1992 | int get_audio_delay(void) { |
1993 | return gpAmlDevice->in.delay_time; |
1994 | } |
1995 | |
1996 | int SetDumpDataFlag(int tmp_flag) { |
1997 | int tmp_val; |
1998 | tmp_val = gDumpDataFlag; |
1999 | gDumpDataFlag = tmp_flag; |
2000 | return tmp_val; |
2001 | } |
2002 | |
2003 | int GetDumpDataFlag(void) { |
2004 | int tmp_val = 0; |
2005 | tmp_val = gDumpDataFlag; |
2006 | return tmp_val; |
2007 | } |
2008 | |
2009 | static void DoDumpData(void *data_buf, int size, int aud_src_type) { |
2010 | int tmp_type = 0; |
2011 | char prop_value[PROPERTY_VALUE_MAX] = { 0 }; |
2012 | char file_path_01[PROPERTY_VALUE_MAX] = { 0 }; |
2013 | char file_path_02[PROPERTY_VALUE_MAX] = { 0 }; |
2014 | |
2015 | if (GetDumpDataFlag() == 0) { |
2016 | return; |
2017 | } |
2018 | |
2019 | memset(prop_value, '\0', PROPERTY_VALUE_MAX); |
2020 | property_get("audio.dumpdata.en", prop_value, "null"); |
2021 | if (strcasecmp(prop_value, "null") == 0 |
2022 | || strcasecmp(prop_value, "0") == 0) { |
2023 | if (gDumpDataFd1 >= 0) { |
2024 | close(gDumpDataFd1); |
2025 | gDumpDataFd1 = -1; |
2026 | } |
2027 | if (gDumpDataFd2 >= 0) { |
2028 | close(gDumpDataFd2); |
2029 | gDumpDataFd2 = -1; |
2030 | } |
2031 | |
2032 | return; |
2033 | } |
2034 | |
2035 | tmp_type = CC_DUMP_SRC_TYPE_INPUT; |
2036 | property_get("audio.dumpdata.src", prop_value, "null"); |
2037 | if (strcasecmp(prop_value, "null") == 0 |
2038 | || strcasecmp(prop_value, "input") == 0) { |
2039 | tmp_type = CC_DUMP_SRC_TYPE_INPUT; |
2040 | } else if (strcasecmp(prop_value, "output") == 0) { |
2041 | tmp_type = CC_DUMP_SRC_TYPE_OUTPUT; |
2042 | } else if (strcasecmp(prop_value, "input,output") == 0) { |
2043 | tmp_type = CC_DUMP_SRC_TYPE_IN_OUT; |
2044 | } else if (strcasecmp(prop_value, "output,input") == 0) { |
2045 | tmp_type = CC_DUMP_SRC_TYPE_OUT_IN; |
2046 | } |
2047 | |
2048 | if (tmp_type == CC_DUMP_SRC_TYPE_INPUT |
2049 | || tmp_type == CC_DUMP_SRC_TYPE_OUTPUT) { |
2050 | if (tmp_type != aud_src_type) { |
2051 | return; |
2052 | } |
2053 | } |
2054 | |
2055 | memset(file_path_01, '\0', PROPERTY_VALUE_MAX); |
2056 | property_get("audio.dumpdata.path", file_path_01, "null"); |
2057 | if (strcasecmp(file_path_01, "null") == 0) { |
2058 | file_path_01[0] = '\0'; |
2059 | } |
2060 | |
2061 | if (tmp_type == CC_DUMP_SRC_TYPE_IN_OUT |
2062 | || tmp_type == CC_DUMP_SRC_TYPE_OUT_IN) { |
2063 | memset(file_path_02, '\0', PROPERTY_VALUE_MAX); |
2064 | property_get("audio.dumpdata.path2", file_path_02, "null"); |
2065 | if (strcasecmp(file_path_02, "null") == 0) { |
2066 | file_path_02[0] = '\0'; |
2067 | } |
2068 | } |
2069 | |
2070 | if (gDumpDataFd1 < 0 && file_path_01[0] != '\0') { |
2071 | if (access(file_path_01, 0) == 0) { |
2072 | gDumpDataFd1 = open(file_path_01, O_RDWR | O_SYNC); |
2073 | if (gDumpDataFd1 < 0) { |
2074 | ALOGE("%s, Open device file \"%s\" error: %s.\n", __FUNCTION__, |
2075 | file_path_01, strerror(errno)); |
2076 | } |
2077 | } else { |
2078 | gDumpDataFd1 = open(file_path_01, O_WRONLY | O_CREAT | O_EXCL, |
2079 | S_IRUSR | S_IWUSR); |
2080 | if (gDumpDataFd1 < 0) { |
2081 | ALOGE("%s, Create device file \"%s\" error: %s.\n", |
2082 | __FUNCTION__, file_path_01, strerror(errno)); |
2083 | } |
2084 | } |
2085 | } |
2086 | |
2087 | if (gDumpDataFd2 < 0 && file_path_02[0] != '\0' |
2088 | && (tmp_type == CC_DUMP_SRC_TYPE_IN_OUT |
2089 | || tmp_type == CC_DUMP_SRC_TYPE_OUT_IN)) { |
2090 | if (access(file_path_02, 0) == 0) { |
2091 | gDumpDataFd2 = open(file_path_02, O_RDWR | O_SYNC); |
2092 | if (gDumpDataFd2 < 0) { |
2093 | ALOGE("%s, Open device file \"%s\" error: %s.\n", __FUNCTION__, |
2094 | file_path_02, strerror(errno)); |
2095 | } |
2096 | } else { |
2097 | gDumpDataFd2 = open(file_path_02, O_WRONLY | O_CREAT | O_EXCL, |
2098 | S_IRUSR | S_IWUSR); |
2099 | if (gDumpDataFd2 < 0) { |
2100 | ALOGE("%s, Create device file \"%s\" error: %s.\n", |
2101 | __FUNCTION__, file_path_02, strerror(errno)); |
2102 | } |
2103 | } |
2104 | } |
2105 | |
2106 | if (tmp_type == CC_DUMP_SRC_TYPE_IN_OUT) { |
2107 | if (aud_src_type == CC_DUMP_SRC_TYPE_INPUT && gDumpDataFd1 >= 0) { |
2108 | write(gDumpDataFd1, data_buf, size); |
2109 | } else if (aud_src_type == CC_DUMP_SRC_TYPE_OUTPUT |
2110 | && gDumpDataFd2 >= 0) { |
2111 | write(gDumpDataFd2, data_buf, size); |
2112 | } |
2113 | } else if (tmp_type == CC_DUMP_SRC_TYPE_OUT_IN) { |
2114 | if (aud_src_type == CC_DUMP_SRC_TYPE_OUTPUT && gDumpDataFd1 >= 0) { |
2115 | write(gDumpDataFd1, data_buf, size); |
2116 | } else if (aud_src_type == CC_DUMP_SRC_TYPE_INPUT |
2117 | && gDumpDataFd2 >= 0) { |
2118 | write(gDumpDataFd2, data_buf, size); |
2119 | } |
2120 | } else { |
2121 | if (gDumpDataFd1 >= 0) { |
2122 | write(gDumpDataFd1, data_buf, size); |
2123 | } |
2124 | } |
2125 | } |
2126 | |
2127 | int aml_audio_set_pregain(float gain) |
2128 | { |
2129 | ALOGD("%s, pre-gain = %f dB\n", __FUNCTION__, gain); |
2130 | |
2131 | pthread_mutex_lock(&amaudio_dev_op_mutex); |
2132 | |
2133 | if (gpAmlDevice != NULL) { |
2134 | gpAmlDevice->in.pre_gain = powf(10, gain/20); |
2135 | } |
2136 | |
2137 | pthread_mutex_unlock(&amaudio_dev_op_mutex); |
2138 | |
2139 | return 0; |
2140 | } |
2141 | |
2142 | int aml_audio_get_pregain(float *gain) |
2143 | { |
2144 | if (gpAmlDevice != NULL) { |
2145 | *gain = 20*log10f(gpAmlDevice->in.pre_gain); |
2146 | return 0; |
2147 | } |
2148 | |
2149 | ALOGE("%s, no active gpAmlDevice!\n", __FUNCTION__); |
2150 | return -1; |
2151 | } |
2152 | |
2153 | int aml_audio_set_pre_mute(uint mute) |
2154 | { |
2155 | ALOGD("%s, mute = %d\n", __FUNCTION__, mute); |
2156 | |
2157 | pthread_mutex_lock(&amaudio_dev_op_mutex); |
2158 | |
2159 | if (gpAmlDevice != NULL) { |
2160 | gpAmlDevice->in.pre_mute = mute; |
2161 | } |
2162 | |
2163 | pthread_mutex_unlock(&amaudio_dev_op_mutex); |
2164 | |
2165 | return 0; |
2166 | } |
2167 | |
2168 | int aml_audio_get_pre_mute(uint *mute) |
2169 | { |
2170 | if (gpAmlDevice != NULL) { |
2171 | *mute = gpAmlDevice->in.pre_mute; |
2172 | return 0; |
2173 | } |
2174 | |
2175 | ALOGE("%s, no active gpAmlDevice!\n", __FUNCTION__); |
2176 | return -1; |
2177 | } |
2178 |