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);
82 audio_ret = _audio_mixer_control_get_value(ah, ctl_name, val);
86 audio_return_t _audio_mixer_control_get_value(audio_hal_t *ah, const char *ctl_name, int *val)
89 snd_ctl_elem_value_t *control;
90 snd_ctl_elem_id_t *id;
91 snd_ctl_elem_info_t *info;
92 snd_ctl_elem_type_t type;
94 int ret = 0, count = 0, i = 0;
96 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
98 pthread_mutex_lock(&(ah->mixer.mutex));
100 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
102 AUDIO_LOG_ERROR ("snd_ctl_open error, %s\n", snd_strerror(ret));
103 pthread_mutex_unlock(&(ah->mixer.mutex));
104 return AUDIO_ERR_IOCTL;
109 snd_ctl_elem_id_alloca(&id);
110 snd_ctl_elem_info_alloca(&info);
111 snd_ctl_elem_value_alloca(&control);
113 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
114 snd_ctl_elem_id_set_name(id, ctl_name);
116 snd_ctl_elem_info_set_id(info, id);
117 if(snd_ctl_elem_info(handle, info) < 0 ) {
118 AUDIO_LOG_ERROR ("Cannot find control element: %s\n", ctl_name);
121 snd_ctl_elem_info_get_id(info, id);
123 type = snd_ctl_elem_info_get_type(info);
124 count = snd_ctl_elem_info_get_count(info);
126 snd_ctl_elem_value_set_id(control, id);
128 if(snd_ctl_elem_read(handle, control) < 0) {
129 AUDIO_LOG_ERROR ("snd_ctl_elem_read failed \n");
134 case SND_CTL_ELEM_TYPE_BOOLEAN:
135 *val = snd_ctl_elem_value_get_boolean(control, i);
137 case SND_CTL_ELEM_TYPE_INTEGER:
138 for (i = 0; i < count; i++)
139 *val = snd_ctl_elem_value_get_integer(control, i);
141 case SND_CTL_ELEM_TYPE_ENUMERATED:
142 for (i = 0; i < count; i++)
143 *val = snd_ctl_elem_value_get_enumerated(control, i);
146 AUDIO_LOG_WARN ("unsupported control element type\n");
150 snd_ctl_close(handle);
153 AUDIO_LOG_INFO("get mixer(%s) = %d success", ctl_name, *val);
156 pthread_mutex_unlock(&(ah->mixer.mutex));
160 AUDIO_LOG_ERROR ("Error\n");
161 snd_ctl_close(handle);
162 pthread_mutex_unlock(&(ah->mixer.mutex));
163 return AUDIO_ERR_UNDEFINED;
166 audio_return_t _audio_mixer_control_set_value(audio_hal_t *ah, const char *ctl_name, int val)
169 snd_ctl_elem_value_t *control;
170 snd_ctl_elem_id_t *id;
171 snd_ctl_elem_info_t *info;
172 snd_ctl_elem_type_t type;
174 char *card_name = NULL;
175 int ret = 0, count = 0, i = 0;
177 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
178 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
180 pthread_mutex_lock(&(ah->mixer.mutex));
182 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
184 AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", card_name, snd_strerror(ret));
185 pthread_mutex_unlock(&(ah->mixer.mutex));
186 return AUDIO_ERR_IOCTL;
191 snd_ctl_elem_id_alloca(&id);
192 snd_ctl_elem_info_alloca(&info);
193 snd_ctl_elem_value_alloca(&control);
195 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
196 snd_ctl_elem_id_set_name(id, ctl_name);
198 snd_ctl_elem_info_set_id(info, id);
199 if(snd_ctl_elem_info(handle, info) < 0 ) {
200 AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
203 snd_ctl_elem_info_get_id(info, id);
205 type = snd_ctl_elem_info_get_type(info);
206 count = snd_ctl_elem_info_get_count(info);
208 snd_ctl_elem_value_set_id(control, id);
210 snd_ctl_elem_read(handle, control);
213 case SND_CTL_ELEM_TYPE_BOOLEAN:
214 for (i = 0; i < count; i++)
215 snd_ctl_elem_value_set_boolean(control, i, val);
217 case SND_CTL_ELEM_TYPE_INTEGER:
218 for (i = 0; i < count; i++)
219 snd_ctl_elem_value_set_integer(control, i,val);
221 case SND_CTL_ELEM_TYPE_ENUMERATED:
222 for (i = 0; i < count; i++)
223 snd_ctl_elem_value_set_enumerated(control, i,val);
227 AUDIO_LOG_WARN("unsupported control element type");
231 snd_ctl_elem_write(handle, control);
233 snd_ctl_close(handle);
235 AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
237 pthread_mutex_unlock(&(ah->mixer.mutex));
241 AUDIO_LOG_ERROR("Error");
242 snd_ctl_close(handle);
243 pthread_mutex_unlock(&(ah->mixer.mutex));
244 return AUDIO_ERR_UNDEFINED;
247 audio_return_t _audio_mixer_control_set_value_string(audio_hal_t *ah, const char* ctl_name, const char* value)
249 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
250 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
257 audio_return_t _audio_mixer_control_get_element(audio_hal_t *ah, const char *ctl_name, snd_hctl_elem_t **elem)
259 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
260 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
261 AUDIO_RETURN_VAL_IF_FAIL(elem, AUDIO_ERR_PARAMETER);
267 #ifdef __USE_TINYALSA__
268 /* Convert pcm format from pulse to alsa */
269 static const uint32_t g_format_convert_table[] = {
270 [AUDIO_SAMPLE_U8] = PCM_FORMAT_S8,
271 [AUDIO_SAMPLE_S16LE] = PCM_FORMAT_S16_LE,
272 [AUDIO_SAMPLE_S32LE] = PCM_FORMAT_S32_LE,
273 [AUDIO_SAMPLE_S24_32LE] = PCM_FORMAT_S24_LE
276 /* Convert pcm format from pulse to alsa */
277 static const uint32_t g_format_convert_table[] = {
278 [AUDIO_SAMPLE_U8] = SND_PCM_FORMAT_U8,
279 [AUDIO_SAMPLE_ALAW] = SND_PCM_FORMAT_A_LAW,
280 [AUDIO_SAMPLE_ULAW] = SND_PCM_FORMAT_MU_LAW,
281 [AUDIO_SAMPLE_S16LE] = SND_PCM_FORMAT_S16_LE,
282 [AUDIO_SAMPLE_S16BE] = SND_PCM_FORMAT_S16_BE,
283 [AUDIO_SAMPLE_FLOAT32LE] = SND_PCM_FORMAT_FLOAT_LE,
284 [AUDIO_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
285 [AUDIO_SAMPLE_S32LE] = SND_PCM_FORMAT_S32_LE,
286 [AUDIO_SAMPLE_S32BE] = SND_PCM_FORMAT_S32_BE,
287 [AUDIO_SAMPLE_S24LE] = SND_PCM_FORMAT_S24_3LE,
288 [AUDIO_SAMPLE_S24BE] = SND_PCM_FORMAT_S24_3BE,
289 [AUDIO_SAMPLE_S24_32LE] = SND_PCM_FORMAT_S24_LE,
290 [AUDIO_SAMPLE_S24_32BE] = SND_PCM_FORMAT_S24_BE
294 uint32_t _convert_format(audio_sample_format_t format)
296 return g_format_convert_table[format];
299 /* Generic snd pcm interface APIs */
300 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)
302 audio_return_t ret = AUDIO_RET_OK;
303 snd_pcm_hw_params_t *hwparams;
306 unsigned int val = 0;
307 snd_pcm_uframes_t _period_size = period_size ? *period_size : 0;
308 snd_pcm_uframes_t _buffer_size = buffer_size ? *buffer_size : 0;
309 uint8_t _use_mmap = use_mmap && *use_mmap;
310 uint32_t channels = 0;
312 AUDIO_RETURN_VAL_IF_FAIL(pcm, AUDIO_ERR_PARAMETER);
314 snd_pcm_hw_params_alloca(&hwparams);
316 /* Skip parameter setting to null device. */
317 if (snd_pcm_type(pcm) == SND_PCM_TYPE_NULL)
318 return AUDIO_ERR_IOCTL;
320 /* Allocate a hardware parameters object. */
321 snd_pcm_hw_params_alloca(&hwparams);
323 /* Fill it in with default values. */
324 if(snd_pcm_hw_params_any(pcm, hwparams) < 0) {
325 AUDIO_LOG_ERROR("snd_pcm_hw_params_any() : failed! - %s\n", snd_strerror(err));
329 /* Set the desired hardware parameters. */
333 if (snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
335 /* mmap() didn't work, fall back to interleaved */
337 if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
338 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
345 } else if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
346 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
349 AUDIO_LOG_DEBUG("setting rate - %d", sample_spec->rate);
350 err = snd_pcm_hw_params_set_rate(pcm, hwparams, sample_spec->rate, 0);
352 AUDIO_LOG_ERROR("snd_pcm_hw_params_set_rate() : failed! - %s\n", snd_strerror(err));
355 err = snd_pcm_hw_params(pcm, hwparams);
357 AUDIO_LOG_ERROR("snd_pcm_hw_params() : failed! - %s\n", snd_strerror(err));
361 /* Dump current param */
363 if ((ret = snd_pcm_hw_params_current(pcm, hwparams)) < 0) {
364 AUDIO_LOG_INFO("snd_pcm_hw_params_current() failed: %s", snd_strerror(ret));
368 if ((ret = snd_pcm_hw_params_get_period_size(hwparams, &_period_size, &dir)) < 0 ||
369 (ret = snd_pcm_hw_params_get_buffer_size(hwparams, &_buffer_size)) < 0) {
370 AUDIO_LOG_INFO("snd_pcm_hw_params_get_{period|buffer}_size() failed: %s", snd_strerror(ret));
374 snd_pcm_hw_params_get_access(hwparams, (snd_pcm_access_t *) &val);
375 AUDIO_LOG_DEBUG("access type = %s\n", snd_pcm_access_name((snd_pcm_access_t)val));
377 snd_pcm_hw_params_get_format(hwparams, &sample_spec->format);
378 AUDIO_LOG_DEBUG("format = '%s' (%s)\n",
379 snd_pcm_format_name((snd_pcm_format_t)sample_spec->format),
380 snd_pcm_format_description((snd_pcm_format_t)sample_spec->format));
382 snd_pcm_hw_params_get_subformat(hwparams, (snd_pcm_subformat_t *)&val);
383 AUDIO_LOG_DEBUG("subformat = '%s' (%s)\n",
384 snd_pcm_subformat_name((snd_pcm_subformat_t)val),
385 snd_pcm_subformat_description((snd_pcm_subformat_t)val));
387 snd_pcm_hw_params_get_channels(hwparams, &channels);
388 sample_spec->channels = (uint8_t)channels;
389 AUDIO_LOG_DEBUG("channels = %d\n", sample_spec->channels);
392 *buffer_size = _buffer_size;
395 *period_size = _period_size;
398 *use_mmap = _use_mmap;
403 return AUDIO_ERR_RESOURCE;
406 audio_return_t _audio_pcm_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min, uint8_t period_event)
408 snd_pcm_sw_params_t *swparams;
409 snd_pcm_uframes_t boundary;
412 AUDIO_RETURN_VAL_IF_FAIL(pcm, AUDIO_ERR_PARAMETER);
414 snd_pcm_sw_params_alloca(&swparams);
416 if ((err = snd_pcm_sw_params_current(pcm, swparams) < 0)) {
417 AUDIO_LOG_WARN("Unable to determine current swparams: %s\n", snd_strerror(err));
420 if ((err = snd_pcm_sw_params_set_period_event(pcm, swparams, period_event)) < 0) {
421 AUDIO_LOG_WARN("Unable to disable period event: %s\n", snd_strerror(err));
424 if ((err = snd_pcm_sw_params_set_tstamp_mode(pcm, swparams, SND_PCM_TSTAMP_ENABLE)) < 0) {
425 AUDIO_LOG_WARN("Unable to enable time stamping: %s\n", snd_strerror(err));
428 if ((err = snd_pcm_sw_params_get_boundary(swparams, &boundary)) < 0) {
429 AUDIO_LOG_WARN("Unable to get boundary: %s\n", snd_strerror(err));
432 if ((err = snd_pcm_sw_params_set_stop_threshold(pcm, swparams, boundary)) < 0) {
433 AUDIO_LOG_WARN("Unable to set stop threshold: %s\n", snd_strerror(err));
436 if ((err = snd_pcm_sw_params_set_start_threshold(pcm, swparams, (snd_pcm_uframes_t) avail_min)) < 0) {
437 AUDIO_LOG_WARN("Unable to set start threshold: %s\n", snd_strerror(err));
440 if ((err = snd_pcm_sw_params_set_avail_min(pcm, swparams, avail_min)) < 0) {
441 AUDIO_LOG_WARN("snd_pcm_sw_params_set_avail_min() failed: %s", snd_strerror(err));
444 if ((err = snd_pcm_sw_params(pcm, swparams)) < 0) {
445 AUDIO_LOG_WARN("Unable to set sw params: %s\n", snd_strerror(err));