4 * Copyright (c) 2000 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
29 #include "tizen-audio-internal.h"
31 audio_return_t _audio_util_init(audio_hal_t *ah)
33 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
35 pthread_mutex_init(&(ah->mixer.mutex), NULL);
39 audio_return_t _audio_util_deinit(audio_hal_t *ah)
41 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
43 pthread_mutex_destroy(&(ah->mixer.mutex));
47 #ifdef __MIXER_PARAM_DUMP
49 static void __dump_mixer_param(char *dump, long *param, int size)
53 for (i = 0; i < size; i++) {
54 len = sprintf(dump, "%ld", *param);
68 audio_return_t _audio_mixer_control_set_param(audio_hal_t *ah, const char* ctl_name, snd_ctl_elem_value_t* param, int size)
70 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
76 audio_return_t audio_mixer_control_get_value(audio_hal_t *ah, const char *ctl_name, int *val)
78 audio_return_t audio_ret = AUDIO_RET_OK;
80 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
81 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
82 AUDIO_RETURN_VAL_IF_FAIL(val, AUDIO_ERR_PARAMETER);
84 audio_ret = _audio_mixer_control_get_value(ah, ALSA_DEFAULT_CARD, ctl_name, val);
88 audio_return_t _audio_mixer_control_get_value(audio_hal_t *ah, const char *card, const char *ctl_name, int *val)
91 snd_ctl_elem_value_t *control;
92 snd_ctl_elem_id_t *id;
93 snd_ctl_elem_info_t *info;
94 snd_ctl_elem_type_t type;
96 int ret = 0, count = 0, i = 0;
98 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
99 AUDIO_RETURN_VAL_IF_FAIL(card, AUDIO_ERR_PARAMETER);
100 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
101 AUDIO_RETURN_VAL_IF_FAIL(val, AUDIO_ERR_PARAMETER);
103 pthread_mutex_lock(&(ah->mixer.mutex));
105 ret = snd_ctl_open(&handle, card, 0);
107 AUDIO_LOG_ERROR("snd_ctl_open error, %s\n", snd_strerror(ret));
108 pthread_mutex_unlock(&(ah->mixer.mutex));
109 return AUDIO_ERR_IOCTL;
114 snd_ctl_elem_id_alloca(&id);
115 snd_ctl_elem_info_alloca(&info);
116 snd_ctl_elem_value_alloca(&control);
118 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
119 snd_ctl_elem_id_set_name(id, ctl_name);
121 snd_ctl_elem_info_set_id(info, id);
122 if (snd_ctl_elem_info(handle, info) < 0) {
123 AUDIO_LOG_ERROR("Cannot find control element: %s\n", ctl_name);
126 snd_ctl_elem_info_get_id(info, id);
128 type = snd_ctl_elem_info_get_type(info);
129 count = snd_ctl_elem_info_get_count(info);
131 snd_ctl_elem_value_set_id(control, id);
133 if (snd_ctl_elem_read(handle, control) < 0) {
134 AUDIO_LOG_ERROR("snd_ctl_elem_read failed \n");
139 case SND_CTL_ELEM_TYPE_BOOLEAN:
140 *val = snd_ctl_elem_value_get_boolean(control, i);
142 case SND_CTL_ELEM_TYPE_INTEGER:
143 for (i = 0; i < count; i++)
144 *val = snd_ctl_elem_value_get_integer(control, i);
146 case SND_CTL_ELEM_TYPE_ENUMERATED:
147 for (i = 0; i < count; i++)
148 *val = snd_ctl_elem_value_get_enumerated(control, i);
151 AUDIO_LOG_WARN("unsupported control element type\n");
155 snd_ctl_close(handle);
158 AUDIO_LOG_INFO("get mixer(%s) = %d success", ctl_name, *val);
161 pthread_mutex_unlock(&(ah->mixer.mutex));
165 AUDIO_LOG_ERROR("Error\n");
166 snd_ctl_close(handle);
167 pthread_mutex_unlock(&(ah->mixer.mutex));
168 return AUDIO_ERR_UNDEFINED;
171 audio_return_t _audio_mixer_control_set_value(audio_hal_t *ah, const char *card, const char *ctl_name, int val)
174 snd_ctl_elem_value_t *control;
175 snd_ctl_elem_id_t *id;
176 snd_ctl_elem_info_t *info;
177 snd_ctl_elem_type_t type;
179 char *card_name = NULL;
180 int ret = 0, count = 0, i = 0;
182 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
183 AUDIO_RETURN_VAL_IF_FAIL(card, AUDIO_ERR_PARAMETER);
184 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
186 pthread_mutex_lock(&(ah->mixer.mutex));
188 ret = snd_ctl_open(&handle, card, 0);
190 AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", card_name, snd_strerror(ret));
191 pthread_mutex_unlock(&(ah->mixer.mutex));
192 return AUDIO_ERR_IOCTL;
197 snd_ctl_elem_id_alloca(&id);
198 snd_ctl_elem_info_alloca(&info);
199 snd_ctl_elem_value_alloca(&control);
201 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
202 snd_ctl_elem_id_set_name(id, ctl_name);
204 snd_ctl_elem_info_set_id(info, id);
205 if (snd_ctl_elem_info(handle, info) < 0) {
206 AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
209 snd_ctl_elem_info_get_id(info, id);
211 type = snd_ctl_elem_info_get_type(info);
212 count = snd_ctl_elem_info_get_count(info);
214 snd_ctl_elem_value_set_id(control, id);
216 snd_ctl_elem_read(handle, control);
219 case SND_CTL_ELEM_TYPE_BOOLEAN:
220 for (i = 0; i < count; i++)
221 snd_ctl_elem_value_set_boolean(control, i, val);
223 case SND_CTL_ELEM_TYPE_INTEGER:
224 for (i = 0; i < count; i++)
225 snd_ctl_elem_value_set_integer(control, i, val);
227 case SND_CTL_ELEM_TYPE_ENUMERATED:
228 for (i = 0; i < count; i++)
229 snd_ctl_elem_value_set_enumerated(control, i, val);
233 AUDIO_LOG_WARN("unsupported control element type");
237 snd_ctl_elem_write(handle, control);
239 snd_ctl_close(handle);
241 AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
243 pthread_mutex_unlock(&(ah->mixer.mutex));
247 AUDIO_LOG_ERROR("Error");
248 snd_ctl_close(handle);
249 pthread_mutex_unlock(&(ah->mixer.mutex));
250 return AUDIO_ERR_UNDEFINED;
253 audio_return_t _audio_mixer_control_set_value_string(audio_hal_t *ah, const char* ctl_name, const char* value)
255 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
256 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
263 audio_return_t _audio_mixer_control_get_element(audio_hal_t *ah, const char *ctl_name, snd_hctl_elem_t **elem)
265 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
266 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
267 AUDIO_RETURN_VAL_IF_FAIL(elem, AUDIO_ERR_PARAMETER);
273 #ifdef __USE_TINYALSA__
274 /* Convert pcm format from pulse to alsa */
275 static const uint32_t g_format_convert_table[] = {
276 [AUDIO_SAMPLE_U8] = PCM_FORMAT_S8,
277 [AUDIO_SAMPLE_S16LE] = PCM_FORMAT_S16_LE,
278 [AUDIO_SAMPLE_S32LE] = PCM_FORMAT_S32_LE,
279 [AUDIO_SAMPLE_S24_32LE] = PCM_FORMAT_S24_LE
282 /* Convert pcm format from pulse to alsa */
283 static const uint32_t g_format_convert_table[] = {
284 [AUDIO_SAMPLE_U8] = SND_PCM_FORMAT_U8,
285 [AUDIO_SAMPLE_ALAW] = SND_PCM_FORMAT_A_LAW,
286 [AUDIO_SAMPLE_ULAW] = SND_PCM_FORMAT_MU_LAW,
287 [AUDIO_SAMPLE_S16LE] = SND_PCM_FORMAT_S16_LE,
288 [AUDIO_SAMPLE_S16BE] = SND_PCM_FORMAT_S16_BE,
289 [AUDIO_SAMPLE_FLOAT32LE] = SND_PCM_FORMAT_FLOAT_LE,
290 [AUDIO_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
291 [AUDIO_SAMPLE_S32LE] = SND_PCM_FORMAT_S32_LE,
292 [AUDIO_SAMPLE_S32BE] = SND_PCM_FORMAT_S32_BE,
293 [AUDIO_SAMPLE_S24LE] = SND_PCM_FORMAT_S24_3LE,
294 [AUDIO_SAMPLE_S24BE] = SND_PCM_FORMAT_S24_3BE,
295 [AUDIO_SAMPLE_S24_32LE] = SND_PCM_FORMAT_S24_LE,
296 [AUDIO_SAMPLE_S24_32BE] = SND_PCM_FORMAT_S24_BE
300 uint32_t _convert_format(audio_sample_format_t format)
302 return g_format_convert_table[format];
305 /* Generic snd pcm interface APIs */
306 audio_return_t _audio_pcm_set_hw_params(snd_pcm_t *pcm, audio_pcm_sample_spec_t *sample_spec, uint8_t *use_mmap, snd_pcm_uframes_t *period_size, snd_pcm_uframes_t *buffer_size)
308 audio_return_t ret = AUDIO_RET_OK;
309 snd_pcm_hw_params_t *hwparams;
312 unsigned int val = 0;
313 snd_pcm_uframes_t _period_size = period_size ? *period_size : 0;
314 snd_pcm_uframes_t _buffer_size = buffer_size ? *buffer_size : 0;
315 uint8_t _use_mmap = use_mmap && *use_mmap;
316 uint32_t channels = 0;
318 AUDIO_RETURN_VAL_IF_FAIL(pcm, AUDIO_ERR_PARAMETER);
320 snd_pcm_hw_params_alloca(&hwparams);
322 /* Skip parameter setting to null device. */
323 if (snd_pcm_type(pcm) == SND_PCM_TYPE_NULL)
324 return AUDIO_ERR_IOCTL;
326 /* Allocate a hardware parameters object. */
327 snd_pcm_hw_params_alloca(&hwparams);
329 /* Fill it in with default values. */
330 if (snd_pcm_hw_params_any(pcm, hwparams) < 0) {
331 AUDIO_LOG_ERROR("snd_pcm_hw_params_any() : failed! - %s\n", snd_strerror(err));
335 /* Set the desired hardware parameters. */
339 if (snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
341 /* mmap() didn't work, fall back to interleaved */
343 if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
344 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
351 } else if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
352 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
355 AUDIO_LOG_DEBUG("setting rate - %d", sample_spec->rate);
356 err = snd_pcm_hw_params_set_rate(pcm, hwparams, sample_spec->rate, 0);
358 AUDIO_LOG_ERROR("snd_pcm_hw_params_set_rate() : failed! - %s\n", snd_strerror(err));
361 err = snd_pcm_hw_params(pcm, hwparams);
363 AUDIO_LOG_ERROR("snd_pcm_hw_params() : failed! - %s\n", snd_strerror(err));
367 /* Dump current param */
369 if ((ret = snd_pcm_hw_params_current(pcm, hwparams)) < 0) {
370 AUDIO_LOG_INFO("snd_pcm_hw_params_current() failed: %s", snd_strerror(ret));
374 if ((ret = snd_pcm_hw_params_get_period_size(hwparams, &_period_size, &dir)) < 0 ||
375 (ret = snd_pcm_hw_params_get_buffer_size(hwparams, &_buffer_size)) < 0) {
376 AUDIO_LOG_INFO("snd_pcm_hw_params_get_{period|buffer}_size() failed: %s", snd_strerror(ret));
380 snd_pcm_hw_params_get_access(hwparams, (snd_pcm_access_t *) &val);
381 AUDIO_LOG_DEBUG("access type = %s\n", snd_pcm_access_name((snd_pcm_access_t)val));
383 snd_pcm_hw_params_get_format(hwparams, &sample_spec->format);
384 AUDIO_LOG_DEBUG("format = '%s' (%s)\n",
385 snd_pcm_format_name((snd_pcm_format_t)sample_spec->format),
386 snd_pcm_format_description((snd_pcm_format_t)sample_spec->format));
388 snd_pcm_hw_params_get_subformat(hwparams, (snd_pcm_subformat_t *)&val);
389 AUDIO_LOG_DEBUG("subformat = '%s' (%s)\n",
390 snd_pcm_subformat_name((snd_pcm_subformat_t)val),
391 snd_pcm_subformat_description((snd_pcm_subformat_t)val));
393 snd_pcm_hw_params_get_channels(hwparams, &channels);
394 sample_spec->channels = (uint8_t)channels;
395 AUDIO_LOG_DEBUG("channels = %d\n", sample_spec->channels);
398 *buffer_size = _buffer_size;
401 *period_size = _period_size;
404 *use_mmap = _use_mmap;
409 return AUDIO_ERR_RESOURCE;
412 audio_return_t _audio_pcm_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min, uint8_t period_event)
414 snd_pcm_sw_params_t *swparams;
415 snd_pcm_uframes_t boundary;
418 AUDIO_RETURN_VAL_IF_FAIL(pcm, AUDIO_ERR_PARAMETER);
420 snd_pcm_sw_params_alloca(&swparams);
422 if ((err = snd_pcm_sw_params_current(pcm, swparams)) < 0) {
423 AUDIO_LOG_WARN("Unable to determine current swparams: %s\n", snd_strerror(err));
426 if ((err = snd_pcm_sw_params_set_period_event(pcm, swparams, period_event)) < 0) {
427 AUDIO_LOG_WARN("Unable to disable period event: %s\n", snd_strerror(err));
430 if ((err = snd_pcm_sw_params_set_tstamp_mode(pcm, swparams, SND_PCM_TSTAMP_ENABLE)) < 0) {
431 AUDIO_LOG_WARN("Unable to enable time stamping: %s\n", snd_strerror(err));
434 if ((err = snd_pcm_sw_params_get_boundary(swparams, &boundary)) < 0) {
435 AUDIO_LOG_WARN("Unable to get boundary: %s\n", snd_strerror(err));
438 if ((err = snd_pcm_sw_params_set_stop_threshold(pcm, swparams, boundary)) < 0) {
439 AUDIO_LOG_WARN("Unable to set stop threshold: %s\n", snd_strerror(err));
442 if ((err = snd_pcm_sw_params_set_start_threshold(pcm, swparams, (snd_pcm_uframes_t) avail_min)) < 0) {
443 AUDIO_LOG_WARN("Unable to set start threshold: %s\n", snd_strerror(err));
446 if ((err = snd_pcm_sw_params_set_avail_min(pcm, swparams, avail_min)) < 0) {
447 AUDIO_LOG_WARN("snd_pcm_sw_params_set_avail_min() failed: %s", snd_strerror(err));
450 if ((err = snd_pcm_sw_params(pcm, swparams)) < 0) {
451 AUDIO_LOG_WARN("Unable to set sw params: %s\n", snd_strerror(err));
459 /* ------ dump helper -------- */
460 #define MAX(a, b) ((a) > (b) ? (a) : (b))
462 dump_data_t* dump_new(int length)
464 dump_data_t* dump = NULL;
466 if ((dump = malloc(sizeof(dump_data_t)))) {
467 memset(dump, 0, sizeof(dump_data_t));
468 if ((dump->strbuf = malloc(length))) {
469 dump->p = &dump->strbuf[0];
480 void dump_add_str(dump_data_t *dump, const char *fmt, ...)
489 len = vsnprintf(dump->p, dump->left, fmt, ap);
492 dump->p += MAX(0, len);
493 dump->left -= MAX(0, len);
496 char* dump_get_str(dump_data_t *dump)
498 return (dump) ? dump->strbuf : NULL;
501 void dump_free(dump_data_t *dump)
509 /* ------ dump helper -------- */