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)
79 snd_ctl_elem_value_t *control;
80 snd_ctl_elem_id_t *id;
81 snd_ctl_elem_info_t *info;
82 snd_ctl_elem_type_t type;
84 int ret = 0, count = 0, i = 0;
86 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
88 pthread_mutex_lock(&(ah->mixer.mutex));
90 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
92 AUDIO_LOG_ERROR("snd_ctl_open error, %s\n", snd_strerror(ret));
93 pthread_mutex_unlock(&(ah->mixer.mutex));
94 return AUDIO_ERR_IOCTL;
99 snd_ctl_elem_id_alloca(&id);
100 snd_ctl_elem_info_alloca(&info);
101 snd_ctl_elem_value_alloca(&control);
103 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
104 snd_ctl_elem_id_set_name(id, ctl_name);
106 snd_ctl_elem_info_set_id(info, id);
107 if (snd_ctl_elem_info(handle, info) < 0) {
108 AUDIO_LOG_ERROR("Cannot find control element: %s\n", ctl_name);
111 snd_ctl_elem_info_get_id(info, id);
113 type = snd_ctl_elem_info_get_type(info);
114 count = snd_ctl_elem_info_get_count(info);
116 snd_ctl_elem_value_set_id(control, id);
118 if (snd_ctl_elem_read(handle, control) < 0) {
119 AUDIO_LOG_ERROR("snd_ctl_elem_read failed \n");
124 case SND_CTL_ELEM_TYPE_BOOLEAN:
125 *val = snd_ctl_elem_value_get_boolean(control, i);
127 case SND_CTL_ELEM_TYPE_INTEGER:
128 for (i = 0; i < count; i++)
129 *val = snd_ctl_elem_value_get_integer(control, i);
131 case SND_CTL_ELEM_TYPE_ENUMERATED:
132 for (i = 0; i < count; i++)
133 *val = snd_ctl_elem_value_get_enumerated(control, i);
136 AUDIO_LOG_WARN("unsupported control element type\n");
140 snd_ctl_close(handle);
143 AUDIO_LOG_INFO("get mixer(%s) = %d success", ctl_name, *val);
146 pthread_mutex_unlock(&(ah->mixer.mutex));
150 AUDIO_LOG_ERROR("Error\n");
151 snd_ctl_close(handle);
152 pthread_mutex_unlock(&(ah->mixer.mutex));
153 return AUDIO_ERR_UNDEFINED;
156 audio_return_t _audio_mixer_control_set_value(audio_hal_t *ah, const char *ctl_name, int val)
159 snd_ctl_elem_value_t *control;
160 snd_ctl_elem_id_t *id;
161 snd_ctl_elem_info_t *info;
162 snd_ctl_elem_type_t type;
163 int ret = 0, count = 0, i = 0;
165 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
166 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
168 pthread_mutex_lock(&(ah->mixer.mutex));
170 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
172 AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", ALSA_DEFAULT_CARD, snd_strerror(ret));
173 pthread_mutex_unlock(&(ah->mixer.mutex));
174 return AUDIO_ERR_IOCTL;
179 snd_ctl_elem_id_alloca(&id);
180 snd_ctl_elem_info_alloca(&info);
181 snd_ctl_elem_value_alloca(&control);
183 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
184 snd_ctl_elem_id_set_name(id, ctl_name);
186 snd_ctl_elem_info_set_id(info, id);
187 if (snd_ctl_elem_info(handle, info) < 0) {
188 AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
191 snd_ctl_elem_info_get_id(info, id);
193 type = snd_ctl_elem_info_get_type(info);
194 count = snd_ctl_elem_info_get_count(info);
196 snd_ctl_elem_value_set_id(control, id);
198 snd_ctl_elem_read(handle, control);
201 case SND_CTL_ELEM_TYPE_BOOLEAN:
202 for (i = 0; i < count; i++)
203 snd_ctl_elem_value_set_boolean(control, i, val);
205 case SND_CTL_ELEM_TYPE_INTEGER:
206 for (i = 0; i < count; i++)
207 snd_ctl_elem_value_set_integer(control, i, val);
209 case SND_CTL_ELEM_TYPE_ENUMERATED:
210 for (i = 0; i < count; i++)
211 snd_ctl_elem_value_set_enumerated(control, i, val);
215 AUDIO_LOG_WARN("unsupported control element type");
219 snd_ctl_elem_write(handle, control);
221 snd_ctl_close(handle);
223 AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
225 pthread_mutex_unlock(&(ah->mixer.mutex));
229 AUDIO_LOG_ERROR("Error");
230 snd_ctl_close(handle);
231 pthread_mutex_unlock(&(ah->mixer.mutex));
232 return AUDIO_ERR_UNDEFINED;
235 audio_return_t _audio_mixer_control_set_value_string(audio_hal_t *ah, const char* ctl_name, const char* value)
237 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
238 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
245 audio_return_t _audio_mixer_control_get_element(audio_hal_t *ah, const char *ctl_name, snd_hctl_elem_t **elem)
247 AUDIO_RETURN_VAL_IF_FAIL(ah, AUDIO_ERR_PARAMETER);
248 AUDIO_RETURN_VAL_IF_FAIL(ctl_name, AUDIO_ERR_PARAMETER);
249 AUDIO_RETURN_VAL_IF_FAIL(elem, AUDIO_ERR_PARAMETER);
255 #ifdef __USE_TINYALSA__
256 /* Convert pcm format from pulse to alsa */
257 static const uint32_t g_format_convert_table[] = {
258 [AUDIO_SAMPLE_U8] = PCM_FORMAT_S8,
259 [AUDIO_SAMPLE_S16LE] = PCM_FORMAT_S16_LE,
260 [AUDIO_SAMPLE_S32LE] = PCM_FORMAT_S32_LE,
261 [AUDIO_SAMPLE_S24_32LE] = PCM_FORMAT_S24_LE
264 /* Convert pcm format from pulse to alsa */
265 static const uint32_t g_format_convert_table[] = {
266 [AUDIO_SAMPLE_U8] = SND_PCM_FORMAT_U8,
267 [AUDIO_SAMPLE_ALAW] = SND_PCM_FORMAT_A_LAW,
268 [AUDIO_SAMPLE_ULAW] = SND_PCM_FORMAT_MU_LAW,
269 [AUDIO_SAMPLE_S16LE] = SND_PCM_FORMAT_S16_LE,
270 [AUDIO_SAMPLE_S16BE] = SND_PCM_FORMAT_S16_BE,
271 [AUDIO_SAMPLE_FLOAT32LE] = SND_PCM_FORMAT_FLOAT_LE,
272 [AUDIO_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
273 [AUDIO_SAMPLE_S32LE] = SND_PCM_FORMAT_S32_LE,
274 [AUDIO_SAMPLE_S32BE] = SND_PCM_FORMAT_S32_BE,
275 [AUDIO_SAMPLE_S24LE] = SND_PCM_FORMAT_S24_3LE,
276 [AUDIO_SAMPLE_S24BE] = SND_PCM_FORMAT_S24_3BE,
277 [AUDIO_SAMPLE_S24_32LE] = SND_PCM_FORMAT_S24_LE,
278 [AUDIO_SAMPLE_S24_32BE] = SND_PCM_FORMAT_S24_BE
282 uint32_t _convert_format(audio_sample_format_t format)
284 return g_format_convert_table[format];
287 /* Generic snd pcm interface APIs */
288 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)
290 audio_return_t ret = AUDIO_RET_OK;
291 snd_pcm_hw_params_t *hwparams;
294 unsigned int val = 0;
295 snd_pcm_uframes_t _period_size = period_size ? *period_size : 0;
296 snd_pcm_uframes_t _buffer_size = buffer_size ? *buffer_size : 0;
297 uint8_t _use_mmap = use_mmap && *use_mmap;
298 uint32_t channels = 0;
300 AUDIO_RETURN_VAL_IF_FAIL(pcm, AUDIO_ERR_PARAMETER);
302 snd_pcm_hw_params_alloca(&hwparams);
304 /* Skip parameter setting to null device. */
305 if (snd_pcm_type(pcm) == SND_PCM_TYPE_NULL)
306 return AUDIO_ERR_IOCTL;
308 /* Allocate a hardware parameters object. */
309 snd_pcm_hw_params_alloca(&hwparams);
311 /* Fill it in with default values. */
312 if (snd_pcm_hw_params_any(pcm, hwparams) < 0) {
313 AUDIO_LOG_ERROR("snd_pcm_hw_params_any() : failed! - %s\n", snd_strerror(err));
317 /* Set the desired hardware parameters. */
321 if (snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
323 /* mmap() didn't work, fall back to interleaved */
325 if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
326 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
333 } else if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
334 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
337 AUDIO_LOG_DEBUG("setting rate - %d", sample_spec->rate);
338 err = snd_pcm_hw_params_set_rate(pcm, hwparams, sample_spec->rate, 0);
340 AUDIO_LOG_ERROR("snd_pcm_hw_params_set_rate() : failed! - %s\n", snd_strerror(err));
343 err = snd_pcm_hw_params(pcm, hwparams);
345 AUDIO_LOG_ERROR("snd_pcm_hw_params() : failed! - %s\n", snd_strerror(err));
349 /* Dump current param */
351 if ((ret = snd_pcm_hw_params_current(pcm, hwparams)) < 0) {
352 AUDIO_LOG_INFO("snd_pcm_hw_params_current() failed: %s", snd_strerror(ret));
356 if ((ret = snd_pcm_hw_params_get_period_size(hwparams, &_period_size, &dir)) < 0 ||
357 (ret = snd_pcm_hw_params_get_buffer_size(hwparams, &_buffer_size)) < 0) {
358 AUDIO_LOG_INFO("snd_pcm_hw_params_get_{period|buffer}_size() failed: %s", snd_strerror(ret));
362 snd_pcm_hw_params_get_access(hwparams, (snd_pcm_access_t *) &val);
363 AUDIO_LOG_DEBUG("access type = %s\n", snd_pcm_access_name((snd_pcm_access_t)val));
365 snd_pcm_hw_params_get_format(hwparams, &sample_spec->format);
366 AUDIO_LOG_DEBUG("format = '%s' (%s)\n",
367 snd_pcm_format_name((snd_pcm_format_t)sample_spec->format),
368 snd_pcm_format_description((snd_pcm_format_t)sample_spec->format));
370 snd_pcm_hw_params_get_subformat(hwparams, (snd_pcm_subformat_t *)&val);
371 AUDIO_LOG_DEBUG("subformat = '%s' (%s)\n",
372 snd_pcm_subformat_name((snd_pcm_subformat_t)val),
373 snd_pcm_subformat_description((snd_pcm_subformat_t)val));
375 snd_pcm_hw_params_get_channels(hwparams, &channels);
376 sample_spec->channels = (uint8_t)channels;
377 AUDIO_LOG_DEBUG("channels = %d\n", sample_spec->channels);
380 *buffer_size = _buffer_size;
383 *period_size = _period_size;
386 *use_mmap = _use_mmap;
391 return AUDIO_ERR_RESOURCE;
394 audio_return_t _audio_pcm_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min, uint8_t period_event)
396 snd_pcm_sw_params_t *swparams;
397 snd_pcm_uframes_t boundary;
400 AUDIO_RETURN_VAL_IF_FAIL(pcm, AUDIO_ERR_PARAMETER);
402 snd_pcm_sw_params_alloca(&swparams);
404 if ((err = snd_pcm_sw_params_current(pcm, swparams)) < 0) {
405 AUDIO_LOG_WARN("Unable to determine current swparams: %s\n", snd_strerror(err));
408 if ((err = snd_pcm_sw_params_set_period_event(pcm, swparams, period_event)) < 0) {
409 AUDIO_LOG_WARN("Unable to disable period event: %s\n", snd_strerror(err));
412 if ((err = snd_pcm_sw_params_set_tstamp_mode(pcm, swparams, SND_PCM_TSTAMP_ENABLE)) < 0) {
413 AUDIO_LOG_WARN("Unable to enable time stamping: %s\n", snd_strerror(err));
416 if ((err = snd_pcm_sw_params_get_boundary(swparams, &boundary)) < 0) {
417 AUDIO_LOG_WARN("Unable to get boundary: %s\n", snd_strerror(err));
420 if ((err = snd_pcm_sw_params_set_stop_threshold(pcm, swparams, boundary)) < 0) {
421 AUDIO_LOG_WARN("Unable to set stop threshold: %s\n", snd_strerror(err));
424 if ((err = snd_pcm_sw_params_set_start_threshold(pcm, swparams, (snd_pcm_uframes_t) avail_min)) < 0) {
425 AUDIO_LOG_WARN("Unable to set start threshold: %s\n", snd_strerror(err));
428 if ((err = snd_pcm_sw_params_set_avail_min(pcm, swparams, avail_min)) < 0) {
429 AUDIO_LOG_WARN("snd_pcm_sw_params_set_avail_min() failed: %s", snd_strerror(err));
432 if ((err = snd_pcm_sw_params(pcm, swparams)) < 0) {
433 AUDIO_LOG_WARN("Unable to set sw params: %s\n", snd_strerror(err));
441 /* ------ dump helper -------- */
442 #define MAX(a, b) ((a) > (b) ? (a) : (b))
444 dump_data_t* dump_new(int length)
446 dump_data_t* dump = NULL;
448 if ((dump = malloc(sizeof(dump_data_t)))) {
449 memset(dump, 0, sizeof(dump_data_t));
450 if ((dump->strbuf = malloc(length))) {
451 dump->p = &dump->strbuf[0];
462 void dump_add_str(dump_data_t *dump, const char *fmt, ...)
471 len = vsnprintf(dump->p, dump->left, fmt, ap);
474 dump->p += MAX(0, len);
475 dump->left -= MAX(0, len);
478 char* dump_get_str(dump_data_t *dump)
480 return (dump) ? dump->strbuf : NULL;
483 void dump_free(dump_data_t *dump)
491 /* ------ dump helper -------- */