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_mgr_t *am)
33 pthread_mutex_init(&(am->mixer.mutex), NULL);
37 audio_return_t _audio_util_deinit (audio_mgr_t *am)
39 pthread_mutex_destroy(&(am->mixer.mutex));
43 #ifdef __MIXER_PARAM_DUMP
45 static void __dump_mixer_param(char *dump, long *param, int size)
49 for (i = 0; i < size; i++) {
50 len = sprintf(dump, "%ld", *param);
64 audio_return_t _audio_mixer_control_set_param(audio_mgr_t *am, const char* ctl_name, snd_ctl_elem_value_t* param, int size)
70 audio_return_t audio_mixer_control_get_value (void *userdata, const char *ctl_name, int *val)
72 audio_return_t audio_ret = AUDIO_RET_OK;
73 audio_mgr_t *am = (audio_mgr_t *)userdata;
74 audio_ret = _audio_mixer_control_get_value(am, ctl_name, val);
78 audio_return_t _audio_mixer_control_get_value(audio_mgr_t *am, const char *ctl_name, int *val)
81 snd_ctl_elem_value_t *control;
82 snd_ctl_elem_id_t *id;
83 snd_ctl_elem_info_t *info;
84 snd_ctl_elem_type_t type;
86 int ret = 0, count = 0, i = 0;
88 pthread_mutex_lock(&(am->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(&(am->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(&(am->mixer.mutex));
150 AUDIO_LOG_ERROR ("Error\n");
151 snd_ctl_close(handle);
152 pthread_mutex_unlock(&(am->mixer.mutex));
153 return AUDIO_ERR_UNDEFINED;
156 audio_return_t _audio_mixer_control_set_value(audio_mgr_t *am, 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;
164 char *card_name = NULL;
165 int ret = 0, count = 0, i = 0;
167 pthread_mutex_lock(&(am->mixer.mutex));
169 ret = snd_ctl_open(&handle, ALSA_DEFAULT_CARD, 0);
171 AUDIO_LOG_ERROR("snd_ctl_open error, card: %s: %s", card_name, snd_strerror(ret));
172 pthread_mutex_unlock(&(am->mixer.mutex));
173 return AUDIO_ERR_IOCTL;
178 snd_ctl_elem_id_alloca(&id);
179 snd_ctl_elem_info_alloca(&info);
180 snd_ctl_elem_value_alloca(&control);
182 snd_ctl_elem_id_set_interface(id, SND_CTL_ELEM_IFACE_MIXER);
183 snd_ctl_elem_id_set_name(id, ctl_name);
185 snd_ctl_elem_info_set_id(info, id);
186 if(snd_ctl_elem_info(handle, info) < 0 ) {
187 AUDIO_LOG_ERROR("Cannot find control element: %s", ctl_name);
190 snd_ctl_elem_info_get_id(info, id);
192 type = snd_ctl_elem_info_get_type(info);
193 count = snd_ctl_elem_info_get_count(info);
195 snd_ctl_elem_value_set_id(control, id);
197 snd_ctl_elem_read(handle, control);
200 case SND_CTL_ELEM_TYPE_BOOLEAN:
201 for (i = 0; i < count; i++)
202 snd_ctl_elem_value_set_boolean(control, i, val);
204 case SND_CTL_ELEM_TYPE_INTEGER:
205 for (i = 0; i < count; i++)
206 snd_ctl_elem_value_set_integer(control, i,val);
208 case SND_CTL_ELEM_TYPE_ENUMERATED:
209 for (i = 0; i < count; i++)
210 snd_ctl_elem_value_set_enumerated(control, i,val);
214 AUDIO_LOG_WARN("unsupported control element type");
218 snd_ctl_elem_write(handle, control);
220 snd_ctl_close(handle);
222 AUDIO_LOG_INFO("set mixer(%s) = %d success", ctl_name, val);
224 pthread_mutex_unlock(&(am->mixer.mutex));
228 AUDIO_LOG_ERROR("Error");
229 snd_ctl_close(handle);
230 pthread_mutex_unlock(&(am->mixer.mutex));
231 return AUDIO_ERR_UNDEFINED;
234 audio_return_t _audio_mixer_control_set_value_string(audio_mgr_t *am, const char* ctl_name, const char* value)
241 audio_return_t _audio_mixer_control_get_element(audio_mgr_t *am, const char *ctl_name, snd_hctl_elem_t **elem)
247 /* Convert pcm format from pulse to alsa */
248 static const uint32_t g_format_convert_table[] = {
249 [AUDIO_SAMPLE_U8] = SND_PCM_FORMAT_U8,
250 [AUDIO_SAMPLE_ALAW] = SND_PCM_FORMAT_A_LAW,
251 [AUDIO_SAMPLE_ULAW] = SND_PCM_FORMAT_MU_LAW,
252 [AUDIO_SAMPLE_S16LE] = SND_PCM_FORMAT_S16_LE,
253 [AUDIO_SAMPLE_S16BE] = SND_PCM_FORMAT_S16_BE,
254 [AUDIO_SAMPLE_FLOAT32LE] = SND_PCM_FORMAT_FLOAT_LE,
255 [AUDIO_SAMPLE_FLOAT32BE] = SND_PCM_FORMAT_FLOAT_BE,
256 [AUDIO_SAMPLE_S32LE] = SND_PCM_FORMAT_S32_LE,
257 [AUDIO_SAMPLE_S32BE] = SND_PCM_FORMAT_S32_BE,
258 [AUDIO_SAMPLE_S24LE] = SND_PCM_FORMAT_S24_3LE,
259 [AUDIO_SAMPLE_S24BE] = SND_PCM_FORMAT_S24_3BE,
260 [AUDIO_SAMPLE_S24_32LE] = SND_PCM_FORMAT_S24_LE,
261 [AUDIO_SAMPLE_S24_32BE] = SND_PCM_FORMAT_S24_BE
264 uint32_t _convert_format(audio_sample_format_t format)
266 return g_format_convert_table[format];
269 /* Generic snd pcm interface APIs */
270 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)
272 audio_return_t ret = AUDIO_RET_OK;
273 snd_pcm_hw_params_t *hwparams;
276 unsigned int val = 0;
277 snd_pcm_uframes_t _period_size = period_size ? *period_size : 0;
278 snd_pcm_uframes_t _buffer_size = buffer_size ? *buffer_size : 0;
279 uint8_t _use_mmap = use_mmap && *use_mmap;
280 uint32_t channels = 0;
282 snd_pcm_hw_params_alloca(&hwparams);
284 /* Skip parameter setting to null device. */
285 if (snd_pcm_type(pcm) == SND_PCM_TYPE_NULL)
286 return AUDIO_ERR_IOCTL;
288 /* Allocate a hardware parameters object. */
289 snd_pcm_hw_params_alloca(&hwparams);
291 /* Fill it in with default values. */
292 if(snd_pcm_hw_params_any(pcm, hwparams) < 0) {
293 AUDIO_LOG_ERROR("snd_pcm_hw_params_any() : failed! - %s\n", snd_strerror(err));
297 /* Set the desired hardware parameters. */
301 if (snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_MMAP_INTERLEAVED) < 0) {
303 /* mmap() didn't work, fall back to interleaved */
305 if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
306 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
313 } else if ((ret = snd_pcm_hw_params_set_access(pcm, hwparams, SND_PCM_ACCESS_RW_INTERLEAVED)) < 0) {
314 AUDIO_LOG_DEBUG("snd_pcm_hw_params_set_access() failed: %s", snd_strerror(ret));
317 AUDIO_LOG_DEBUG("setting rate - %d", sample_spec->rate);
318 err = snd_pcm_hw_params_set_rate(pcm, hwparams, sample_spec->rate, 0);
320 AUDIO_LOG_ERROR("snd_pcm_hw_params_set_rate() : failed! - %s\n", snd_strerror(err));
323 err = snd_pcm_hw_params(pcm, hwparams);
325 AUDIO_LOG_ERROR("snd_pcm_hw_params() : failed! - %s\n", snd_strerror(err));
329 /* Dump current param */
331 if ((ret = snd_pcm_hw_params_current(pcm, hwparams)) < 0) {
332 AUDIO_LOG_INFO("snd_pcm_hw_params_current() failed: %s", snd_strerror(ret));
336 if ((ret = snd_pcm_hw_params_get_period_size(hwparams, &_period_size, &dir)) < 0 ||
337 (ret = snd_pcm_hw_params_get_buffer_size(hwparams, &_buffer_size)) < 0) {
338 AUDIO_LOG_INFO("snd_pcm_hw_params_get_{period|buffer}_size() failed: %s", snd_strerror(ret));
342 snd_pcm_hw_params_get_access(hwparams, (snd_pcm_access_t *) &val);
343 AUDIO_LOG_DEBUG("access type = %s\n", snd_pcm_access_name((snd_pcm_access_t)val));
345 snd_pcm_hw_params_get_format(hwparams, &sample_spec->format);
346 AUDIO_LOG_DEBUG("format = '%s' (%s)\n",
347 snd_pcm_format_name((snd_pcm_format_t)sample_spec->format),
348 snd_pcm_format_description((snd_pcm_format_t)sample_spec->format));
350 snd_pcm_hw_params_get_subformat(hwparams, (snd_pcm_subformat_t *)&val);
351 AUDIO_LOG_DEBUG("subformat = '%s' (%s)\n",
352 snd_pcm_subformat_name((snd_pcm_subformat_t)val),
353 snd_pcm_subformat_description((snd_pcm_subformat_t)val));
355 snd_pcm_hw_params_get_channels(hwparams, &channels);
356 sample_spec->channels = (uint8_t)channels;
357 AUDIO_LOG_DEBUG("channels = %d\n", sample_spec->channels);
360 *buffer_size = _buffer_size;
363 *period_size = _period_size;
366 *use_mmap = _use_mmap;
371 return AUDIO_ERR_RESOURCE;
374 audio_return_t _audio_pcm_set_sw_params(snd_pcm_t *pcm, snd_pcm_uframes_t avail_min, uint8_t period_event)
376 snd_pcm_sw_params_t *swparams;
377 snd_pcm_uframes_t boundary;
380 snd_pcm_sw_params_alloca(&swparams);
382 if ((err = snd_pcm_sw_params_current(pcm, swparams) < 0)) {
383 AUDIO_LOG_WARN("Unable to determine current swparams: %s\n", snd_strerror(err));
386 if ((err = snd_pcm_sw_params_set_period_event(pcm, swparams, period_event)) < 0) {
387 AUDIO_LOG_WARN("Unable to disable period event: %s\n", snd_strerror(err));
390 if ((err = snd_pcm_sw_params_set_tstamp_mode(pcm, swparams, SND_PCM_TSTAMP_ENABLE)) < 0) {
391 AUDIO_LOG_WARN("Unable to enable time stamping: %s\n", snd_strerror(err));
394 if ((err = snd_pcm_sw_params_get_boundary(swparams, &boundary)) < 0) {
395 AUDIO_LOG_WARN("Unable to get boundary: %s\n", snd_strerror(err));
398 if ((err = snd_pcm_sw_params_set_stop_threshold(pcm, swparams, boundary)) < 0) {
399 AUDIO_LOG_WARN("Unable to set stop threshold: %s\n", snd_strerror(err));
402 if ((err = snd_pcm_sw_params_set_start_threshold(pcm, swparams, (snd_pcm_uframes_t) -1)) < 0) {
403 AUDIO_LOG_WARN("Unable to set start threshold: %s\n", snd_strerror(err));
406 if ((err = snd_pcm_sw_params_set_avail_min(pcm, swparams, avail_min)) < 0) {
407 AUDIO_LOG_WARN("snd_pcm_sw_params_set_avail_min() failed: %s", snd_strerror(err));
410 if ((err = snd_pcm_sw_params(pcm, swparams)) < 0) {
411 AUDIO_LOG_WARN("Unable to set sw params: %s\n", snd_strerror(err));