audio_hal.c revision 698dbd76b9c16bf1d2a3cb2d0268511e1ff4cd1d
119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson/* 219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * Copyright (C) 2012 The Android Open Source Project 319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * 419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * Licensed under the Apache License, Version 2.0 (the "License"); 519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * you may not use this file except in compliance with the License. 619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * You may obtain a copy of the License at 719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * 819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * http://www.apache.org/licenses/LICENSE-2.0 919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * 1019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * Unless required by applicable law or agreed to in writing, software 1119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * distributed under the License is distributed on an "AS IS" BASIS, 1219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * See the License for the specific language governing permissions and 1419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson * limitations under the License. 1519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson */ 1619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 179ab869acfd02cf841a6c8309ae45acf936557720Paul McLean#define LOG_TAG "modules.usbaudio.audio_hal" 18cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean/*#define LOG_NDEBUG 0*/ 1919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 2019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <errno.h> 2188e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn#include <inttypes.h> 2219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <pthread.h> 2319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <stdint.h> 2419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <stdlib.h> 2588e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn#include <sys/time.h> 2619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 2788e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn#include <log/log.h> 2819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <cutils/str_parms.h> 2919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <cutils/properties.h> 3019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 31e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean#include <hardware/audio.h> 32e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean#include <hardware/audio_alsaops.h> 3319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <hardware/hardware.h> 34e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean 3519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <system/audio.h> 3619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 3719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#include <tinyalsa/asoundlib.h> 3819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 39c2201159bbdfd58ed54e505061825df3ab9f1ef0Paul McLean#include <audio_utils/channels.h> 40c2201159bbdfd58ed54e505061825df3ab9f1ef0Paul McLean 4103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung/* FOR TESTING: 4203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * Set k_force_channels to force the number of channels to present to AudioFlinger. 4303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * 0 disables (this is default: present the device channels to AudioFlinger). 4403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * 2 forces to legacy stereo mode. 4503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * 4603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * Others values can be tried (up to 8). 4703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * TODO: AudioFlinger cannot support more than 8 active output channels 4803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * at this time, so limiting logic needs to be put here or communicated from above. 4903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung */ 5003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hungstatic const unsigned k_force_channels = 0; 5103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung 52c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean#include "alsa_device_profile.h" 53c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean#include "alsa_device_proxy.h" 549ab869acfd02cf841a6c8309ae45acf936557720Paul McLean#include "alsa_logging.h" 55f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 56c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean#define DEFAULT_INPUT_BUFFER_SIZE_MS 20 57f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 585e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung// stereo channel count 595e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung#define FCC_2 2 60780f1f8149996442f43c77ec50518cc8030cd682Andy Hung// fixed channel count of 8 limitation (for data processing in AudioFlinger) 61780f1f8149996442f43c77ec50518cc8030cd682Andy Hung#define FCC_8 8 62780f1f8149996442f43c77ec50518cc8030cd682Andy Hung 6319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct audio_device { 6419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_hw_device hw_device; 6519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 6619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_t lock; /* see note below on mutex acquisition order */ 67eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 68eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean /* output */ 69c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile out_profile; 70eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 71eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean /* input */ 72c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile in_profile; 73eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 74253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent bool mic_muted; 75253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent 7619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson bool standby; 7719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 7819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 7919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct stream_out { 8019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_stream_out stream; 8119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 82eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean pthread_mutex_t lock; /* see note below on mutex acquisition order */ 83703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_t pre_lock; /* acquire before lock to avoid DOS by playback thread */ 84eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean bool standby; 85eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 86c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct audio_device *dev; /* hardware information - only using this for the lock */ 87c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 8865ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean alsa_device_profile * profile; /* Points to the alsa_device_profile in the audio_device */ 89c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy proxy; /* state of the stream */ 90eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung unsigned hal_channel_count; /* channel count exposed to AudioFlinger. 9203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * This may differ from the device channel count when 9303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * the device is not compatible with AudioFlinger 9403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * capabilities, e.g. exposes too many channels or 9503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * too few channels. */ 96182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung audio_channel_mask_t hal_channel_mask; /* channel mask exposed to AudioFlinger. */ 97182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung 98eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean void * conversion_buffer; /* any conversions are put into here 99eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * they could come from here too if 100eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * there was a previous conversion */ 101eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean size_t conversion_buffer_size; /* in bytes */ 102eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean}; 103eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 104eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstruct stream_in { 105eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_stream_in stream; 106eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 107703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_t lock; /* see note below on mutex acquisition order */ 108703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_t pre_lock; /* acquire before lock to avoid DOS by capture thread */ 10919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson bool standby; 11019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 111c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct audio_device *dev; /* hardware information - only using this for the lock */ 112eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 11365ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean alsa_device_profile * profile; /* Points to the alsa_device_profile in the audio_device */ 114c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy proxy; /* state of the stream */ 1156b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 1162cfd81bae005a795fa405db5615867b107ca02f9Paul McLean unsigned hal_channel_count; /* channel count exposed to AudioFlinger. 1172cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * This may differ from the device channel count when 1182cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * the device is not compatible with AudioFlinger 1192cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * capabilities, e.g. exposes too many channels or 1202cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * too few channels. */ 121780f1f8149996442f43c77ec50518cc8030cd682Andy Hung audio_channel_mask_t hal_channel_mask; /* channel mask exposed to AudioFlinger. */ 122780f1f8149996442f43c77ec50518cc8030cd682Andy Hung 123c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* We may need to read more data from the device in order to data reduce to 16bit, 4chan */ 12430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * conversion_buffer; /* any conversions are put into here 12530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * they could come from here too if 12630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * there was a previous conversion */ 12730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean size_t conversion_buffer_size; /* in bytes */ 12819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 12919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 130eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* 131703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent * NOTE: when multiple mutexes have to be acquired, always take the 132703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent * stream_in or stream_out mutex first, followed by the audio_device mutex. 133703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent * stream pre_lock is always acquired before stream lock to prevent starvation of control thread by 134703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent * higher priority playback or capture thread. 135703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent */ 136703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent 137703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent/* 1380f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * Extract the card and device numbers from the supplied key/value pairs. 1390f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * kvpairs A null-terminated string containing the key/value pairs or card and device. 1400f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * i.e. "card=1;device=42" 1410f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * card A pointer to a variable to receive the parsed-out card number. 1420f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * device A pointer to a variable to receive the parsed-out device number. 1430f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * NOTE: The variables pointed to by card and device return -1 (undefined) if the 1440f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * associated key/value pair is not found in the provided string. 14565ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean * Return true if the kvpairs string contain a card/device spec, false otherwise. 1460f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean */ 14765ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLeanstatic bool parse_card_device_params(const char *kvpairs, int *card, int *device) 14819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 1490f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean struct str_parms * parms = str_parms_create_str(kvpairs); 1500f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean char value[32]; 1510f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean int param_val; 152f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 1530f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean // initialize to "undefined" state. 1540f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *card = -1; 1550f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *device = -1; 1560f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 1570f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean param_val = str_parms_get_str(parms, "card", value, sizeof(value)); 1580f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean if (param_val >= 0) { 1590f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *card = atoi(value); 1600f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean } 1610f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 1620f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean param_val = str_parms_get_str(parms, "device", value, sizeof(value)); 1630f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean if (param_val >= 0) { 1640f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *device = atoi(value); 1650f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean } 1660f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 1670f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean str_parms_destroy(parms); 16865ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean 16965ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean return *card >= 0 && *device >= 0; 1700f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean} 1710f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 1720f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLeanstatic char * device_get_parameters(alsa_device_profile * profile, const char * keys) 1730f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean{ 174c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (profile->card < 0 || profile->device < 0) { 175c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return strdup(""); 176f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean } 177f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 178c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms *query = str_parms_create_str(keys); 179c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms *result = str_parms_create(); 180f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 181c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* These keys are from hardware/libhardware/include/audio.h */ 182c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported sample rates */ 183c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES)) { 184c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* rates_list = profile_get_sample_rate_strs(profile); 185c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES, 186c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean rates_list); 187c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(rates_list); 188e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean } 18919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 190c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported channel counts */ 191c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_CHANNELS)) { 192c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* channels_list = profile_get_channel_count_strs(profile); 193c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, 194c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean channels_list); 195c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(channels_list); 196eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 19719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 198c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported sample formats */ 199c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_FORMATS)) { 200c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char * format_params = profile_get_format_strs(profile); 201c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_FORMATS, 202c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean format_params); 203c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(format_params); 20419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 205c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_destroy(query); 20619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 207c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* result_str = str_parms_to_str(result); 208c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_destroy(result); 209eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 21065ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("device_get_parameters = %s", result_str); 211f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 212c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return result_str; 21319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 21419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 215703180998f088cc83ff8e58f5881c65963d557a8Eric Laurentvoid lock_input_stream(struct stream_in *in) 216703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent{ 217703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&in->pre_lock); 218703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&in->lock); 219703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&in->pre_lock); 220703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent} 221703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent 222703180998f088cc83ff8e58f5881c65963d557a8Eric Laurentvoid lock_output_stream(struct stream_out *out) 223703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent{ 224703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&out->pre_lock); 225703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&out->lock); 226703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&out->pre_lock); 227703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent} 228703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent 229eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* 230eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * HAl Functions 231eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 232eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/** 233eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * NOTE: when multiple mutexes have to be acquired, always respect the 234eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * following order: hw device > out stream 235eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 23619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 237c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 238c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * OUT functions 239c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 24019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic uint32_t out_get_sample_rate(const struct audio_stream *stream) 24119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 242c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint32_t rate = proxy_get_sample_rate(&((struct stream_out*)stream)->proxy); 243c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("out_get_sample_rate() = %d", rate); 244c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return rate; 24519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 24619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 24719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_sample_rate(struct audio_stream *stream, uint32_t rate) 24819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 24919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 25019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 25119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 25219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic size_t out_get_buffer_size(const struct audio_stream *stream) 25319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 254c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean const struct stream_out* out = (const struct stream_out*)stream; 255c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean size_t buffer_size = 256c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_get_period_size(&out->proxy) * audio_stream_out_frame_size(&(out->stream)); 257c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return buffer_size; 25819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 25919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 26019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic uint32_t out_get_channels(const struct audio_stream *stream) 26119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 26203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const struct stream_out *out = (const struct stream_out*)stream; 263182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung return out->hal_channel_mask; 26419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 26519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 26619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic audio_format_t out_get_format(const struct audio_stream *stream) 26719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 268c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Note: The HAL doesn't do any FORMAT conversion at this time. It 269c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * Relies on the framework to provide data in the specified format. 270c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * This could change in the future. 271c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 272c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy * proxy = &((struct stream_out*)stream)->proxy; 273c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean audio_format_t format = audio_format_from_pcm_format(proxy_get_format(proxy)); 274c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return format; 27519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 27619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 27719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_format(struct audio_stream *stream, audio_format_t format) 27819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 27919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 28019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 28119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 28219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_standby(struct audio_stream *stream) 28319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 28419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 28519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 286703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_output_stream(out); 28719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!out->standby) { 288703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&out->dev->lock); 289c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_close(&out->proxy); 290703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&out->dev->lock); 29119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->standby = true; 29219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 29319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 29419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 29519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 29619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 29719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 29819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_dump(const struct audio_stream *stream, int fd) 29919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 30019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 30119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 30219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 30319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_parameters(struct audio_stream *stream, const char *kvpairs) 30419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 30565ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("out_set_parameters() keys:%s", kvpairs); 306eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 30719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 308c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 30919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson int routing = 0; 310eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int ret_value = 0; 31105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int card = -1; 31205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int device = -1; 31319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 31465ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean if (!parse_card_device_params(kvpairs, &card, &device)) { 31565ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean // nothing to do 31665ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean return ret_value; 31765ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean } 31865ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean 319703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_output_stream(out); 32065ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean /* Lock the device because that is where the profile lives */ 321f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->dev->lock); 32219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 32365ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean if (!profile_is_cached_for(out->profile, card, device)) { 32405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent /* cannot read pcm device info if playback is active */ 32505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (!out->standby) 32605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = -ENOSYS; 32705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent else { 32805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_card = out->profile->card; 32905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_device = out->profile->device; 33005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->card = card; 33105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->device = device; 33205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = profile_read_device_info(out->profile) ? 0 : -EINVAL; 33305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (ret_value != 0) { 33405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->card = saved_card; 33505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->device = saved_device; 33605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 33705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 338eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 3392c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 340f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->dev->lock); 341703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&out->lock); 34219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 343eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return ret_value; 34419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 34519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 346f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLeanstatic char * out_get_parameters(const struct audio_stream *stream, const char *keys) 34719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 348c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_out *out = (struct stream_out *)stream; 349703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_output_stream(out); 350f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->dev->lock); 351f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 352f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean char * params_str = device_get_parameters(out->profile, keys); 353f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 354f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->lock); 355f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->dev->lock); 356f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 357f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean return params_str; 358f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean} 359f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 360f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLeanstatic uint32_t out_get_latency(const struct audio_stream_out *stream) 361f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean{ 362c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy * proxy = &((struct stream_out*)stream)->proxy; 363c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_get_latency(proxy); 36419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 36519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 36630f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_set_volume(struct audio_stream_out *stream, float left, float right) 36719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 36819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOSYS; 36919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 37019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 371eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* must be called with hw device and output stream mutexes locked */ 372eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int start_output_stream(struct stream_out *out) 373eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 37465ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("start_output_stream(card:%d device:%d)", out->profile->card, out->profile->device); 375eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 376c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_open(&out->proxy); 377eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 378eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 379eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic ssize_t out_write(struct audio_stream_out *stream, const void* buffer, size_t bytes) 38019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 38119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson int ret; 38219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 38319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 384703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_output_stream(out); 38519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (out->standby) { 386703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&out->dev->lock); 38719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson ret = start_output_stream(out); 388703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&out->dev->lock); 38919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (ret != 0) { 39019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson goto err; 39119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 39219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->standby = false; 39319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 39405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 395c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy* proxy = &out->proxy; 39688e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn const void * write_buff = buffer; 397eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int num_write_buff_bytes = bytes; 39803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const int num_device_channels = proxy_get_channel_count(proxy); /* what we told alsa */ 39903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const int num_req_channels = out->hal_channel_count; /* what we told AudioFlinger */ 40030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 40103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* allocate buffer */ 40203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const size_t required_conversion_buffer_size = 40303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung bytes * num_device_channels / num_req_channels; 40403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung if (required_conversion_buffer_size > out->conversion_buffer_size) { 40503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer_size = required_conversion_buffer_size; 40603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer = realloc(out->conversion_buffer, 40703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer_size); 40803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung } 40903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* convert data */ 41003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const audio_format_t audio_format = out_get_format(&(out->stream.common)); 41103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const unsigned sample_size_in_bytes = audio_bytes_per_sample(audio_format); 412eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean num_write_buff_bytes = 41303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung adjust_channels(write_buff, num_req_channels, 41403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer, num_device_channels, 41503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung sample_size_in_bytes, num_write_buff_bytes); 416eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean write_buff = out->conversion_buffer; 417eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 418eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 419eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean if (write_buff != NULL && num_write_buff_bytes != 0) { 420c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_write(&out->proxy, write_buff, num_write_buff_bytes); 421eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 42219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 42319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 42419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 42519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return bytes; 42619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 42719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonerr: 42819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 42919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (ret != 0) { 430c5ae6a030484f83beb3f2120f136cec1c0ef8b0aEric Laurent usleep(bytes * 1000000 / audio_stream_out_frame_size(stream) / 43119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out_get_sample_rate(&stream->common)); 43219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 43319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 43419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return bytes; 43519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 43619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 43730f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_get_render_position(const struct audio_stream_out *stream, uint32_t *dsp_frames) 43819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 43919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 44019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 44119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 442c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int out_get_presentation_position(const struct audio_stream_out *stream, 443c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint64_t *frames, struct timespec *timestamp) 444c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 445c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung struct stream_out *out = (struct stream_out *)stream; // discard const qualifier 446c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung lock_output_stream(out); 447c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung 448c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung const alsa_device_proxy *proxy = &out->proxy; 449c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung const int ret = proxy_get_presentation_position(proxy, frames, timestamp); 450c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung 451c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung pthread_mutex_unlock(&out->lock); 452c9515ce60d45556cb11f49a3e35eb8ddc40548a7Andy Hung return ret; 453c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 454c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 45519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 45619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 45719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 45819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 45919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 46019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 46119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 46219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 46319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 46419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 46530f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_get_next_write_timestamp(const struct audio_stream_out *stream, int64_t *timestamp) 46619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 46719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 46819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 46919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 47019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_open_output_stream(struct audio_hw_device *dev, 47146a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_io_handle_t handle, 47246a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_devices_t devices, 47346a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_output_flags_t flags, 47446a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood struct audio_config *config, 475f5e2469c02825f018df6336125882812003b8e64Eric Laurent struct audio_stream_out **stream_out, 4760f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean const char *address /*__unused*/) 47719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 47865ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("adev_open_output_stream() handle:0x%X, device:0x%X, flags:0x%X, addr:%s", 4790f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean handle, devices, flags, address); 480eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 48119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_device *adev = (struct audio_device *)dev; 482eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 48319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out; 48419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 48519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out = (struct stream_out *)calloc(1, sizeof(struct stream_out)); 48619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!out) 48719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOMEM; 48819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 489c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* setup function pointers */ 49019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_sample_rate = out_get_sample_rate; 49119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_sample_rate = out_set_sample_rate; 49219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_buffer_size = out_get_buffer_size; 49319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_channels = out_get_channels; 49419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_format = out_get_format; 49519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_format = out_set_format; 49619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.standby = out_standby; 49719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.dump = out_dump; 49819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_parameters = out_set_parameters; 49919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_parameters = out_get_parameters; 50019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.add_audio_effect = out_add_audio_effect; 50119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.remove_audio_effect = out_remove_audio_effect; 50219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_latency = out_get_latency; 50319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.set_volume = out_set_volume; 50419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.write = out_write; 50519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_render_position = out_get_render_position; 506c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean out->stream.get_presentation_position = out_get_presentation_position; 50719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_next_write_timestamp = out_get_next_write_timestamp; 50819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 509703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_init(&out->lock, (const pthread_mutexattr_t *) NULL); 510703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_init(&out->pre_lock, (const pthread_mutexattr_t *) NULL); 511703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent 51219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->dev = adev; 5130f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_lock(&adev->lock); 514c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean out->profile = &adev->out_profile; 515c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 516c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean // build this to hand to the alsa_device_proxy 517c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct pcm_config proxy_config; 5182c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean memset(&proxy_config, 0, sizeof(proxy_config)); 519f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 5200f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean /* Pull out the card/device pair */ 5210f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean parse_card_device_params(address, &(out->profile->card), &(out->profile->device)); 5220f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 5230f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean profile_read_device_info(out->profile); 5240f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 5250f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_unlock(&adev->lock); 5260f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 527c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean int ret = 0; 528c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 529c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Rate */ 530c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (config->sample_rate == 0) { 531c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(out->profile); 532c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (profile_is_sample_rate_valid(out->profile, config->sample_rate)) { 533c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate; 534c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 535c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(out->profile); 536c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 537c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 53819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 539c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Format */ 540c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (config->format == AUDIO_FORMAT_DEFAULT) { 541c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = profile_get_default_format(out->profile); 542c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean config->format = audio_format_from_pcm_format(proxy_config.format); 543c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 544c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean enum pcm_format fmt = pcm_format_from_audio_format(config->format); 545c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (profile_is_format_valid(out->profile, fmt)) { 546c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = fmt; 547c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 548c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = profile_get_default_format(out->profile); 549c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean config->format = audio_format_from_pcm_format(proxy_config.format); 550c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 551c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 552c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 55319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 554c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Channels */ 555182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung unsigned proposed_channel_count = 0; 55603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung if (k_force_channels) { 55703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proposed_channel_count = k_force_channels; 558182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung } else if (config->channel_mask == AUDIO_CHANNEL_NONE) { 559182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung proposed_channel_count = profile_get_default_channel_count(out->profile); 560eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 561698dbd76b9c16bf1d2a3cb2d0268511e1ff4cd1dPaul McLean 562182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung if (proposed_channel_count != 0) { 5635e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung if (proposed_channel_count <= FCC_2) { 5645e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung // use channel position mask for mono and stereo 5655e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung config->channel_mask = audio_channel_out_mask_from_count(proposed_channel_count); 5665e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung } else { 5675e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung // use channel index mask for multichannel 568182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung config->channel_mask = 569182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung audio_channel_mask_for_index_assignment_from_count(proposed_channel_count); 5705e58a30b6f625d3c28d1c6b15eec3edf5643e227Andy Hung } 571182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung } else { 572698dbd76b9c16bf1d2a3cb2d0268511e1ff4cd1dPaul McLean proposed_channel_count = audio_channel_count_from_out_mask(config->channel_mask); 573182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung } 574698dbd76b9c16bf1d2a3cb2d0268511e1ff4cd1dPaul McLean out->hal_channel_count = proposed_channel_count; 575698dbd76b9c16bf1d2a3cb2d0268511e1ff4cd1dPaul McLean 576182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung /* we can expose any channel mask, and emulate internally based on channel count. */ 577182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung out->hal_channel_mask = config->channel_mask; 578182ddc7d130d078e3cdb1e1fbf02d86368a2ac47Andy Hung 57903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* no validity checks are needed as proxy_prepare() forces channel_count to be valid. 58003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * and we emulate any channel count discrepancies in out_write(). */ 581698dbd76b9c16bf1d2a3cb2d0268511e1ff4cd1dPaul McLean proxy_config.channels = out->hal_channel_count; 582c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_prepare(&out->proxy, out->profile, &proxy_config); 583c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 584c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO The retry mechanism isn't implemented in AudioPolicyManager/AudioFlinger. */ 585c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = 0; 586c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 587eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer = NULL; 588eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer_size = 0; 589eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 590eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->standby = true; 59146a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood 59219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *stream_out = &out->stream; 593c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 594c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return ret; 59519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 59619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonerr_open: 59719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(out); 59819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *stream_out = NULL; 599eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 60019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 60119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 60219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic void adev_close_output_stream(struct audio_hw_device *dev, 60319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_stream_out *stream) 60419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 60519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 60665ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("adev_close_output_stream(c:%d d:%d)", out->profile->card, out->profile->device); 60719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 608c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Close the pcm device */ 60919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out_standby(&stream->common); 610eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 611eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean free(out->conversion_buffer); 612c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 613eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer = NULL; 614eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer_size = 0; 615eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 61619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(stream); 61719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 61819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 61919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic size_t adev_get_input_buffer_size(const struct audio_hw_device *dev, 62046a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood const struct audio_config *config) 62119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 622c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO This needs to be calculated based on format/channels/rate */ 623c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 320; 62419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 62519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 626c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 627c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * IN functions 628c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 629eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic uint32_t in_get_sample_rate(const struct audio_stream *stream) 630eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 631c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint32_t rate = proxy_get_sample_rate(&((const struct stream_in *)stream)->proxy); 632c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_get_sample_rate() = %d", rate); 633c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return rate; 634eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 635eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 636eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_sample_rate(struct audio_stream *stream, uint32_t rate) 637eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 638c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_set_sample_rate(%d) - NOPE", rate); 639eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 640eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 641eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 642eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic size_t in_get_buffer_size(const struct audio_stream *stream) 643eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 644c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean const struct stream_in * in = ((const struct stream_in*)stream); 6452cfd81bae005a795fa405db5615867b107ca02f9Paul McLean return proxy_get_period_size(&in->proxy) * audio_stream_in_frame_size(&(in->stream)); 646eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 647eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 648eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic uint32_t in_get_channels(const struct audio_stream *stream) 649eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 6502cfd81bae005a795fa405db5615867b107ca02f9Paul McLean const struct stream_in *in = (const struct stream_in*)stream; 651780f1f8149996442f43c77ec50518cc8030cd682Andy Hung return in->hal_channel_mask; 652eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 653eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 654eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic audio_format_t in_get_format(const struct audio_stream *stream) 655eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 656780f1f8149996442f43c77ec50518cc8030cd682Andy Hung alsa_device_proxy *proxy = &((struct stream_in*)stream)->proxy; 657780f1f8149996442f43c77ec50518cc8030cd682Andy Hung audio_format_t format = audio_format_from_pcm_format(proxy_get_format(proxy)); 658780f1f8149996442f43c77ec50518cc8030cd682Andy Hung return format; 659eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 660eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 661eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_format(struct audio_stream *stream, audio_format_t format) 662eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 663c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_set_format(%d) - NOPE", format); 664c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 665eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 666eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 667eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 668eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_standby(struct audio_stream *stream) 669eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 670c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_in *in = (struct stream_in *)stream; 67130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 672703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_input_stream(in); 67330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (!in->standby) { 674703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&in->dev->lock); 675c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_close(&in->proxy); 676703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&in->dev->lock); 67730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = true; 67830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 67930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 68030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->lock); 68130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 682eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 683eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 684eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 685eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_dump(const struct audio_stream *stream, int fd) 686eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 687eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 688eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 689eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 690eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_parameters(struct audio_stream *stream, const char *kvpairs) 691eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 69265ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("in_set_parameters() keys:%s", kvpairs); 693eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 694eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct stream_in *in = (struct stream_in *)stream; 695c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 696eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean char value[32]; 697eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int param_val; 698eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int routing = 0; 699eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int ret_value = 0; 70005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int card = -1; 70105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int device = -1; 702eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 70365ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean if (!parse_card_device_params(kvpairs, &card, &device)) { 70465ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean // nothing to do 70565ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean return ret_value; 70665ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean } 70765ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean 708703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_input_stream(in); 709f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->dev->lock); 710eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 7112c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (card >= 0 && device >= 0 && !profile_is_cached_for(in->profile, card, device)) { 71205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent /* cannot read pcm device info if playback is active */ 71305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (!in->standby) 71405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = -ENOSYS; 71505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent else { 71605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_card = in->profile->card; 71705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_device = in->profile->device; 71805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->card = card; 71905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->device = device; 72005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = profile_read_device_info(in->profile) ? 0 : -EINVAL; 72105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (ret_value != 0) { 72205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->card = saved_card; 72305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->device = saved_device; 72405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 72505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 7262c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 727eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 728f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->dev->lock); 729703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&in->lock); 730c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 731eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return ret_value; 732eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 733eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 734c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * in_get_parameters(const struct audio_stream *stream, const char *keys) 735c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 73630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct stream_in *in = (struct stream_in *)stream; 737c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 738703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_input_stream(in); 739f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->dev->lock); 74030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 741c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char * params_str = device_get_parameters(in->profile, keys); 74230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 743f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->dev->lock); 744703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&in->lock); 7456b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 746f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean return params_str; 747eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 748eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 749eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 750eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 751eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 752eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 753eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 754eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 755eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 756eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 757eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 758eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 75930f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int in_set_gain(struct audio_stream_in *stream, float gain) 76030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 761eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 762eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 763eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 76430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean/* must be called with hw device and output stream mutexes locked */ 765c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int start_input_stream(struct stream_in *in) 766c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 76765ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("ustart_input_stream(card:%d device:%d)", in->profile->card, in->profile->device); 76830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 769c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_open(&in->proxy); 77030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean} 77130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 772e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean/* TODO mutex stuff here (see out_write) */ 77330f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic ssize_t in_read(struct audio_stream_in *stream, void* buffer, size_t bytes) 77430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 77588e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn size_t num_read_buff_bytes = 0; 77630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * read_buff = buffer; 77730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * out_buff = buffer; 77883b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala int ret = 0; 77930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 780c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_in * in = (struct stream_in *)stream; 78130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 782703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent lock_input_stream(in); 78330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (in->standby) { 784703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_lock(&in->dev->lock); 785703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent ret = start_input_stream(in); 786703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_unlock(&in->dev->lock); 787703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent if (ret != 0) { 78830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean goto err; 78930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 79030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = false; 79130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 79230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 793c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile * profile = in->profile; 794c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 795c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* 796c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * OK, we need to figure out how much data to read to be able to output the requested 797c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * number of bytes in the HAL format (16-bit, stereo). 798c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 79930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean num_read_buff_bytes = bytes; 800780f1f8149996442f43c77ec50518cc8030cd682Andy Hung int num_device_channels = proxy_get_channel_count(&in->proxy); /* what we told Alsa */ 801780f1f8149996442f43c77ec50518cc8030cd682Andy Hung int num_req_channels = in->hal_channel_count; /* what we told AudioFlinger */ 80230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 80330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 804cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean num_read_buff_bytes = (num_device_channels * num_read_buff_bytes) / num_req_channels; 80530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 80630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 807c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Setup/Realloc the conversion buffer (if necessary). */ 80830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_read_buff_bytes != bytes) { 80930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_read_buff_bytes > in->conversion_buffer_size) { 810e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean /*TODO Remove this when AudioPolicyManger/AudioFlinger support arbitrary formats 811e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean (and do these conversions themselves) */ 81230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer_size = num_read_buff_bytes; 81330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer = realloc(in->conversion_buffer, in->conversion_buffer_size); 81430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 81530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean read_buff = in->conversion_buffer; 81630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 81730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 81883b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala ret = proxy_read(&in->proxy, read_buff, num_read_buff_bytes); 81983b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala if (ret == 0) { 82030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 821c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean // ALOGV("chans dev:%d req:%d", num_device_channels, num_req_channels); 822c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 82330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean out_buff = buffer; 82430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* Num Channels conversion */ 825eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean if (num_device_channels != num_req_channels) { 826eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean audio_format_t audio_format = in_get_format(&(in->stream.common)); 827eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean unsigned sample_size_in_bytes = audio_bytes_per_sample(audio_format); 828eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean 829fbc02dc16ea43f14e7a0c410bfb787ddcf1b89fbEric Laurent num_read_buff_bytes = 830eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean adjust_channels(read_buff, num_device_channels, 831eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean out_buff, num_req_channels, 832eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean sample_size_in_bytes, num_read_buff_bytes); 833cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean } 83430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 835253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent 836253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent /* no need to acquire in->dev->lock to read mic_muted here as we don't change its state */ 837253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent if (num_read_buff_bytes > 0 && in->dev->mic_muted) 838253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent memset(buffer, 0, num_read_buff_bytes); 8398c7e1114a3a07c3cb071df461d42e75b7ef3feaeViswanath L } else { 840e64994292cb02fae66f04002e1121d29979503d1Eric Laurent num_read_buff_bytes = 0; // reset the value after USB headset is unplugged 84130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 842eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 84330f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanerr: 84430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->lock); 84530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 84630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean return num_read_buff_bytes; 847eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 848eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 84930f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) 85030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 851eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 852eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 853eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 85446a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwoodstatic int adev_open_input_stream(struct audio_hw_device *dev, 85546a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_io_handle_t handle, 85646a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_devices_t devices, 85730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct audio_config *config, 8587d973adff4c9b344b530dd7c585f789d02c605daGlenn Kasten struct audio_stream_in **stream_in, 859f5e2469c02825f018df6336125882812003b8e64Eric Laurent audio_input_flags_t flags __unused, 8600f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean const char *address /*__unused*/, 861f5e2469c02825f018df6336125882812003b8e64Eric Laurent audio_source_t source __unused) 86219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 86365ec72b72b01fa2269e91de7c6eb3e6285f9fa86Paul McLean ALOGV("in adev_open_input_stream() rate:%" PRIu32 ", chanMask:0x%" PRIX32 ", fmt:%" PRIu8, 86430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean config->sample_rate, config->channel_mask, config->format); 865eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 866eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct stream_in *in = (struct stream_in *)calloc(1, sizeof(struct stream_in)); 8677661a484021f6e7c3b219bd21659118eef94e45bEric Laurent int ret = 0; 8687661a484021f6e7c3b219bd21659118eef94e45bEric Laurent 869eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean if (in == NULL) 870eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOMEM; 871eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 872c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* setup function pointers */ 873eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_sample_rate = in_get_sample_rate; 874eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_sample_rate = in_set_sample_rate; 875eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_buffer_size = in_get_buffer_size; 876eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_channels = in_get_channels; 877eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_format = in_get_format; 878eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_format = in_set_format; 879eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.standby = in_standby; 880eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.dump = in_dump; 881eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_parameters = in_set_parameters; 882eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_parameters = in_get_parameters; 883eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.add_audio_effect = in_add_audio_effect; 884eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.remove_audio_effect = in_remove_audio_effect; 885eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 886eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.set_gain = in_set_gain; 887eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.read = in_read; 888eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.get_input_frames_lost = in_get_input_frames_lost; 889eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 890703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_init(&in->lock, (const pthread_mutexattr_t *) NULL); 891703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent pthread_mutex_init(&in->pre_lock, (const pthread_mutexattr_t *) NULL); 892703180998f088cc83ff8e58f5881c65963d557a8Eric Laurent 89330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->dev = (struct audio_device *)dev; 8940f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_lock(&in->dev->lock); 895eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 896c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean in->profile = &in->dev->in_profile; 897f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 898c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct pcm_config proxy_config; 8992c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean memset(&proxy_config, 0, sizeof(proxy_config)); 900eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9010f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean /* Pull out the card/device pair */ 9020f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean parse_card_device_params(address, &(in->profile->card), &(in->profile->device)); 9030f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 9040f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean profile_read_device_info(in->profile); 9050f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_unlock(&in->dev->lock); 9060f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 9076b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Rate */ 9086b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean if (config->sample_rate == 0) { 909c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(in->profile); 910c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (profile_is_sample_rate_valid(in->profile, config->sample_rate)) { 911c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate; 9126b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } else { 913c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(in->profile); 914c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 9156b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 9167661a484021f6e7c3b219bd21659118eef94e45bEric Laurent 9176b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Format */ 9186b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean if (config->format == AUDIO_FORMAT_DEFAULT) { 919780f1f8149996442f43c77ec50518cc8030cd682Andy Hung proxy_config.format = profile_get_default_format(in->profile); 920780f1f8149996442f43c77ec50518cc8030cd682Andy Hung config->format = audio_format_from_pcm_format(proxy_config.format); 92130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } else { 922780f1f8149996442f43c77ec50518cc8030cd682Andy Hung enum pcm_format fmt = pcm_format_from_audio_format(config->format); 923780f1f8149996442f43c77ec50518cc8030cd682Andy Hung if (profile_is_format_valid(in->profile, fmt)) { 924780f1f8149996442f43c77ec50518cc8030cd682Andy Hung proxy_config.format = fmt; 925780f1f8149996442f43c77ec50518cc8030cd682Andy Hung } else { 926780f1f8149996442f43c77ec50518cc8030cd682Andy Hung proxy_config.format = profile_get_default_format(in->profile); 927780f1f8149996442f43c77ec50518cc8030cd682Andy Hung config->format = audio_format_from_pcm_format(proxy_config.format); 928780f1f8149996442f43c77ec50518cc8030cd682Andy Hung ret = -EINVAL; 929780f1f8149996442f43c77ec50518cc8030cd682Andy Hung } 9306b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 931eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9322cfd81bae005a795fa405db5615867b107ca02f9Paul McLean /* Channels */ 933780f1f8149996442f43c77ec50518cc8030cd682Andy Hung unsigned proposed_channel_count = 0; 9342cfd81bae005a795fa405db5615867b107ca02f9Paul McLean if (k_force_channels) { 9352cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proposed_channel_count = k_force_channels; 936780f1f8149996442f43c77ec50518cc8030cd682Andy Hung } else if (config->channel_mask == AUDIO_CHANNEL_NONE) { 937780f1f8149996442f43c77ec50518cc8030cd682Andy Hung proposed_channel_count = profile_get_default_channel_count(in->profile); 938eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 939780f1f8149996442f43c77ec50518cc8030cd682Andy Hung if (proposed_channel_count != 0) { 940780f1f8149996442f43c77ec50518cc8030cd682Andy Hung config->channel_mask = audio_channel_in_mask_from_count(proposed_channel_count); 941780f1f8149996442f43c77ec50518cc8030cd682Andy Hung if (config->channel_mask == AUDIO_CHANNEL_INVALID) 942780f1f8149996442f43c77ec50518cc8030cd682Andy Hung config->channel_mask = 943780f1f8149996442f43c77ec50518cc8030cd682Andy Hung audio_channel_mask_for_index_assignment_from_count(proposed_channel_count); 944780f1f8149996442f43c77ec50518cc8030cd682Andy Hung in->hal_channel_count = proposed_channel_count; 945780f1f8149996442f43c77ec50518cc8030cd682Andy Hung } else { 946780f1f8149996442f43c77ec50518cc8030cd682Andy Hung in->hal_channel_count = audio_channel_count_from_in_mask(config->channel_mask); 947780f1f8149996442f43c77ec50518cc8030cd682Andy Hung } 948780f1f8149996442f43c77ec50518cc8030cd682Andy Hung /* we can expose any channel mask, and emulate internally based on channel count. */ 949780f1f8149996442f43c77ec50518cc8030cd682Andy Hung in->hal_channel_mask = config->channel_mask; 950c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 9512cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proxy_config.channels = profile_get_default_channel_count(in->profile); 952c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_prepare(&in->proxy, in->profile, &proxy_config); 953eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 95430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = true; 95530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 95630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer = NULL; 95730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer_size = 0; 95830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 959eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean *stream_in = &in->stream; 960eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9617661a484021f6e7c3b219bd21659118eef94e45bEric Laurent return ret; 96219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 96319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 96430f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic void adev_close_input_stream(struct audio_hw_device *dev, struct audio_stream_in *stream) 96519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 96630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct stream_in *in = (struct stream_in *)stream; 96730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 968c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Close the pcm device */ 96930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in_standby(&stream->common); 97030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 97130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean free(in->conversion_buffer); 97230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 97330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean free(stream); 97419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 97519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 976c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 977c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * ADEV Functions 978c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 979c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs) 980c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 981c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 982c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 983c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 984c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * adev_get_parameters(const struct audio_hw_device *dev, const char *keys) 985c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 986c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return strdup(""); 987c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 988c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 989c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_init_check(const struct audio_hw_device *dev) 990c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 991c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 992c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 993c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 994c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_voice_volume(struct audio_hw_device *dev, float volume) 995c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 996c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 997c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 998c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 999c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_master_volume(struct audio_hw_device *dev, float volume) 1000c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1001c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1002c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1003c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1004c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode) 1005c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1006c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1007c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1008c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1009c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_mic_mute(struct audio_hw_device *dev, bool state) 1010c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1011253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent struct audio_device * adev = (struct audio_device *)dev; 1012253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent pthread_mutex_lock(&adev->lock); 1013253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent adev->mic_muted = state; 1014253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent pthread_mutex_unlock(&adev->lock); 1015c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1016c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1017c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1018c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state) 1019c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1020c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1021c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1022c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 102319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_dump(const audio_hw_device_t *device, int fd) 102419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 102519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 102619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 102719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 102819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_close(hw_device_t *device) 102919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 1030eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_device *adev = (struct audio_device *)device; 103119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(device); 1032eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 103319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 103419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 103519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 103630f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int adev_open(const hw_module_t* module, const char* name, hw_device_t** device) 103719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 103819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) 103919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 104019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1041eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_device *adev = calloc(1, sizeof(struct audio_device)); 104219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!adev) 104319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOMEM; 104419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1045c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean profile_init(&adev->out_profile, PCM_OUT); 1046c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean profile_init(&adev->in_profile, PCM_IN); 1047c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 104819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.common.tag = HARDWARE_DEVICE_TAG; 104985e08e26258711f2fd672d9a920d88bf91410f6bEric Laurent adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_2_0; 1050c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean adev->hw_device.common.module = (struct hw_module_t *)module; 105119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.common.close = adev_close; 105219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 105319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.init_check = adev_init_check; 105419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_voice_volume = adev_set_voice_volume; 105519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_master_volume = adev_set_master_volume; 105619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_mode = adev_set_mode; 105719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_mic_mute = adev_set_mic_mute; 105819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_mic_mute = adev_get_mic_mute; 105919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_parameters = adev_set_parameters; 106019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_parameters = adev_get_parameters; 106119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_input_buffer_size = adev_get_input_buffer_size; 106219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.open_output_stream = adev_open_output_stream; 106319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.close_output_stream = adev_close_output_stream; 106419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.open_input_stream = adev_open_input_stream; 106519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.close_input_stream = adev_close_input_stream; 106619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.dump = adev_dump; 106719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 106819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *device = &adev->hw_device.common; 106919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 107019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 107119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 107219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 107319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic struct hw_module_methods_t hal_module_methods = { 107419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .open = adev_open, 107519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 107619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 107719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct audio_module HAL_MODULE_INFO_SYM = { 107819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .common = { 107919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .tag = HARDWARE_MODULE_TAG, 108046a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood .module_api_version = AUDIO_MODULE_API_VERSION_0_1, 108146a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood .hal_api_version = HARDWARE_HAL_API_VERSION, 108219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .id = AUDIO_HARDWARE_MODULE_ID, 108319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .name = "USB audio HW HAL", 108419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .author = "The Android Open Source Project", 108519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .methods = &hal_module_methods, 108619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson }, 108719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 1088