audio_hal.c revision 0f1753ead073b9abffb23dc712bb636280d7f5a6
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 1719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson#define LOG_TAG "usb_audio_hw" 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" 54271444af385a288bf4164bd2b3e186525e4c0d40Paul McLean#include "audio_logging.h" 55f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 56c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean#define DEFAULT_INPUT_BUFFER_SIZE_MS 20 57f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 5819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct audio_device { 5919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_hw_device hw_device; 6019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 6119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_t lock; /* see note below on mutex acquisition order */ 62eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 63eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean /* output */ 64c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile out_profile; 65eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 66eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean /* input */ 67c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile in_profile; 68eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 69253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent bool mic_muted; 70253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent 7119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson bool standby; 7219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 7319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 7419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct stream_out { 7519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_stream_out stream; 7619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 77eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean pthread_mutex_t lock; /* see note below on mutex acquisition order */ 78eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean bool standby; 79eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 80c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct audio_device *dev; /* hardware information - only using this for the lock */ 81c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 82c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile * profile; 83c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy proxy; /* state of the stream */ 84eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 8503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung unsigned hal_channel_count; /* channel count exposed to AudioFlinger. 8603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * This may differ from the device channel count when 8703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * the device is not compatible with AudioFlinger 8803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * capabilities, e.g. exposes too many channels or 8903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * too few channels. */ 90eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean void * conversion_buffer; /* any conversions are put into here 91eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * they could come from here too if 92eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * there was a previous conversion */ 93eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean size_t conversion_buffer_size; /* in bytes */ 94eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean}; 95eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 96eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstruct stream_in { 97eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_stream_in stream; 98eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_t lock; /* see note below on mutex acquisition order */ 10019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson bool standby; 10119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 102c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct audio_device *dev; /* hardware information - only using this for the lock */ 103eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 104c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile * profile; 105c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy proxy; /* state of the stream */ 1066b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 1072cfd81bae005a795fa405db5615867b107ca02f9Paul McLean unsigned hal_channel_count; /* channel count exposed to AudioFlinger. 1082cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * This may differ from the device channel count when 1092cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * the device is not compatible with AudioFlinger 1102cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * capabilities, e.g. exposes too many channels or 1112cfd81bae005a795fa405db5615867b107ca02f9Paul McLean * too few channels. */ 112c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* We may need to read more data from the device in order to data reduce to 16bit, 4chan */ 11330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * conversion_buffer; /* any conversions are put into here 11430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * they could come from here too if 11530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * there was a previous conversion */ 11630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean size_t conversion_buffer_size; /* in bytes */ 11719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 11819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 119eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* 120eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * Data Conversions 121eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 122eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* 12330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * Convert a buffer of packed (3-byte) PCM24LE samples to PCM16LE samples. 12430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * in_buff points to the buffer of PCM24LE samples 125eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * num_in_samples size of input buffer in SAMPLES 12630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * out_buff points to the buffer to receive converted PCM16LE LE samples. 12730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * returns 12830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * the number of BYTES of output data. 12930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * We are doing this since we *always* present to The Framework as A PCM16LE device, but need to 13030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * support PCM24_3LE (24-bit, packed). 13130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * NOTE: 13230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * This conversion is safe to do in-place (in_buff == out_buff). 133e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean * TODO Move this to a utilities module. 13430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean */ 135e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLeanstatic size_t convert_24_3_to_16(const unsigned char * in_buff, size_t num_in_samples, 136e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean short * out_buff) 137e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean{ 13830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* 13930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * Move from front to back so that the conversion can be done in-place 14030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * i.e. in_buff == out_buff 14130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean */ 14230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* we need 2 bytes in the output for every 3 bytes in the input */ 14330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean unsigned char* dst_ptr = (unsigned char*)out_buff; 14488e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn const unsigned char* src_ptr = in_buff; 14530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean size_t src_smpl_index; 14630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean for (src_smpl_index = 0; src_smpl_index < num_in_samples; src_smpl_index++) { 14730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean src_ptr++; /* lowest-(skip)-byte */ 14830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean *dst_ptr++ = *src_ptr++; /* low-byte */ 14930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean *dst_ptr++ = *src_ptr++; /* high-byte */ 15030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 15130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 15230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* return number of *bytes* generated: */ 15330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean return num_in_samples * 2; 15430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean} 15530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 15630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean/* 1576b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * Convert a buffer of packed (3-byte) PCM32 samples to PCM16LE samples. 1586b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * in_buff points to the buffer of PCM32 samples 1596b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * num_in_samples size of input buffer in SAMPLES 1606b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * out_buff points to the buffer to receive converted PCM16LE LE samples. 1616b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * returns 1626b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * the number of BYTES of output data. 1636b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * We are doing this since we *always* present to The Framework as A PCM16LE device, but need to 1646b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * support PCM_FORMAT_S32_LE (32-bit). 1656b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * NOTE: 1666b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * This conversion is safe to do in-place (in_buff == out_buff). 1676b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * TODO Move this to a utilities module. 1686b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean */ 1696b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLeanstatic size_t convert_32_to_16(const int32_t * in_buff, size_t num_in_samples, short * out_buff) 1706b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean{ 1716b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* 1726b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * Move from front to back so that the conversion can be done in-place 1736b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * i.e. in_buff == out_buff 1746b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean */ 1756b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 1766b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean short * dst_ptr = out_buff; 1776b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean const int32_t* src_ptr = in_buff; 1786b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean size_t src_smpl_index; 1796b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean for (src_smpl_index = 0; src_smpl_index < num_in_samples; src_smpl_index++) { 1806b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean *dst_ptr++ = *src_ptr++ >> 16; 1816b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 1826b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 1836b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* return number of *bytes* generated: */ 1846b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean return num_in_samples * 2; 1856b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean} 1866b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 1870f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean/* 1880f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * Extract the card and device numbers from the supplied key/value pairs. 1890f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * kvpairs A null-terminated string containing the key/value pairs or card and device. 1900f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * i.e. "card=1;device=42" 1910f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * card A pointer to a variable to receive the parsed-out card number. 1920f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * device A pointer to a variable to receive the parsed-out device number. 1930f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * NOTE: The variables pointed to by card and device return -1 (undefined) if the 1940f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean * associated key/value pair is not found in the provided string. 1950f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean */ 1960f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLeanstatic void parse_card_device_params(const char *kvpairs, int *card, int *device) 19719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 1980f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean struct str_parms * parms = str_parms_create_str(kvpairs); 1990f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean char value[32]; 2000f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean int param_val; 201f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 2020f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean // initialize to "undefined" state. 2030f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *card = -1; 2040f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *device = -1; 2050f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 2060f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean param_val = str_parms_get_str(parms, "card", value, sizeof(value)); 2070f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean if (param_val >= 0) { 2080f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *card = atoi(value); 2090f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean } 2100f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 2110f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean param_val = str_parms_get_str(parms, "device", value, sizeof(value)); 2120f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean if (param_val >= 0) { 2130f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean *device = atoi(value); 2140f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean } 2150f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 2160f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean str_parms_destroy(parms); 2170f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean} 2180f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 2190f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLeanstatic char * device_get_parameters(alsa_device_profile * profile, const char * keys) 2200f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean{ 221c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (profile->card < 0 || profile->device < 0) { 222c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return strdup(""); 223f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean } 224f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 225c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms *query = str_parms_create_str(keys); 226c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms *result = str_parms_create(); 227f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 228c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* These keys are from hardware/libhardware/include/audio.h */ 229c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported sample rates */ 230c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES)) { 231c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* rates_list = profile_get_sample_rate_strs(profile); 232c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES, 233c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean rates_list); 234c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(rates_list); 235e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean } 23619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 237c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported channel counts */ 238c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_CHANNELS)) { 239c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* channels_list = profile_get_channel_count_strs(profile); 240c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, 241c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean channels_list); 242c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(channels_list); 243eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 24419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 245c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported sample formats */ 246c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_FORMATS)) { 247c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char * format_params = profile_get_format_strs(profile); 248c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_FORMATS, 249c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean format_params); 250c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(format_params); 25119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 252c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_destroy(query); 25319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 254c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* result_str = str_parms_to_str(result); 255c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_destroy(result); 256eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 257c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("usb:audio_hw::device_get_parameters = %s", result_str); 258f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 259c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return result_str; 26019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 26119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 262eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* 263eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * HAl Functions 264eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 265eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/** 266eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * NOTE: when multiple mutexes have to be acquired, always respect the 267eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * following order: hw device > out stream 268eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 26919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 270c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 271c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * OUT functions 272c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 27319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic uint32_t out_get_sample_rate(const struct audio_stream *stream) 27419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 275c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint32_t rate = proxy_get_sample_rate(&((struct stream_out*)stream)->proxy); 276c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("out_get_sample_rate() = %d", rate); 277c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return rate; 27819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 27919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 28019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_sample_rate(struct audio_stream *stream, uint32_t rate) 28119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 28219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 28319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 28419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 28519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic size_t out_get_buffer_size(const struct audio_stream *stream) 28619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 287c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean const struct stream_out* out = (const struct stream_out*)stream; 288c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean size_t buffer_size = 289c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_get_period_size(&out->proxy) * audio_stream_out_frame_size(&(out->stream)); 290c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return buffer_size; 29119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 29219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 29319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic uint32_t out_get_channels(const struct audio_stream *stream) 29419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 29503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const struct stream_out *out = (const struct stream_out*)stream; 29603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung return audio_channel_out_mask_from_count(out->hal_channel_count); 29719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 29819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 29919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic audio_format_t out_get_format(const struct audio_stream *stream) 30019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 301c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Note: The HAL doesn't do any FORMAT conversion at this time. It 302c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * Relies on the framework to provide data in the specified format. 303c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * This could change in the future. 304c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 305c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy * proxy = &((struct stream_out*)stream)->proxy; 306c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean audio_format_t format = audio_format_from_pcm_format(proxy_get_format(proxy)); 307c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return format; 30819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 30919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 31019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_format(struct audio_stream *stream, audio_format_t format) 31119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 31219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 31319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 31419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 31519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_standby(struct audio_stream *stream) 31619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 31719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 31819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 31919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->dev->lock); 32019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->lock); 32119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 32219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!out->standby) { 323c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_close(&out->proxy); 32419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->standby = true; 32519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 32619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 32719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 32819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->dev->lock); 32919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 33019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 33119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 33219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 33319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_dump(const struct audio_stream *stream, int fd) 33419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 33519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 33619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 33719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 33819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_parameters(struct audio_stream *stream, const char *kvpairs) 33919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 340eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean ALOGV("usb:audio_hw::out out_set_parameters() keys:%s", kvpairs); 341eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 34219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 343c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 34419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson int routing = 0; 345eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int ret_value = 0; 34605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int card = -1; 34705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int device = -1; 34819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 349f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->dev->lock); 350f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->lock); 35119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 3520f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean parse_card_device_params(kvpairs, &card, &device); 35305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 3542c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (card >= 0 && device >= 0 && !profile_is_cached_for(out->profile, card, device)) { 35505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent /* cannot read pcm device info if playback is active */ 35605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (!out->standby) 35705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = -ENOSYS; 35805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent else { 35905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_card = out->profile->card; 36005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_device = out->profile->device; 36105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->card = card; 36205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->device = device; 36305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = profile_read_device_info(out->profile) ? 0 : -EINVAL; 36405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (ret_value != 0) { 36505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->card = saved_card; 36605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->device = saved_device; 36705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 36805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 369eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 3702c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 371f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->lock); 372f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->dev->lock); 37319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 374eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return ret_value; 37519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 37619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 377f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLeanstatic char * out_get_parameters(const struct audio_stream *stream, const char *keys) 37819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 379c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_out *out = (struct stream_out *)stream; 380f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->dev->lock); 381f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->lock); 382f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 383f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean char * params_str = device_get_parameters(out->profile, keys); 384f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 385f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->lock); 386f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->dev->lock); 387f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 388f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean return params_str; 389f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean} 390f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 391f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLeanstatic uint32_t out_get_latency(const struct audio_stream_out *stream) 392f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean{ 393c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy * proxy = &((struct stream_out*)stream)->proxy; 394c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_get_latency(proxy); 39519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 39619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 39730f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_set_volume(struct audio_stream_out *stream, float left, float right) 39819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 39919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOSYS; 40019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 40119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 402eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* must be called with hw device and output stream mutexes locked */ 403eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int start_output_stream(struct stream_out *out) 404eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 40530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb:audio_hw::out start_output_stream(card:%d device:%d)", 406f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean out->profile->card, out->profile->device); 407eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 408c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_open(&out->proxy); 409eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 410eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 411eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic ssize_t out_write(struct audio_stream_out *stream, const void* buffer, size_t bytes) 41219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 41319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson int ret; 41419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 41519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 41619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->dev->lock); 41719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->lock); 41819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (out->standby) { 41919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson ret = start_output_stream(out); 42019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (ret != 0) { 42105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&out->dev->lock); 42219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson goto err; 42319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 42419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->standby = false; 42519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 42605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&out->dev->lock); 42705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 428c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy* proxy = &out->proxy; 42988e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn const void * write_buff = buffer; 430eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int num_write_buff_bytes = bytes; 43103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const int num_device_channels = proxy_get_channel_count(proxy); /* what we told alsa */ 43203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const int num_req_channels = out->hal_channel_count; /* what we told AudioFlinger */ 43330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 43403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* allocate buffer */ 43503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const size_t required_conversion_buffer_size = 43603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung bytes * num_device_channels / num_req_channels; 43703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung if (required_conversion_buffer_size > out->conversion_buffer_size) { 43803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer_size = required_conversion_buffer_size; 43903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer = realloc(out->conversion_buffer, 44003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer_size); 44103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung } 44203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* convert data */ 44303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const audio_format_t audio_format = out_get_format(&(out->stream.common)); 44403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const unsigned sample_size_in_bytes = audio_bytes_per_sample(audio_format); 445eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean num_write_buff_bytes = 44603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung adjust_channels(write_buff, num_req_channels, 44703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer, num_device_channels, 44803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung sample_size_in_bytes, num_write_buff_bytes); 449eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean write_buff = out->conversion_buffer; 450eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 451eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 452eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean if (write_buff != NULL && num_write_buff_bytes != 0) { 453c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_write(&out->proxy, write_buff, num_write_buff_bytes); 454eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 45519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 45619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 45719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 45819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return bytes; 45919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 46019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonerr: 46119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 46219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (ret != 0) { 463c5ae6a030484f83beb3f2120f136cec1c0ef8b0aEric Laurent usleep(bytes * 1000000 / audio_stream_out_frame_size(stream) / 46419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out_get_sample_rate(&stream->common)); 46519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 46619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 46719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return bytes; 46819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 46919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 47030f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_get_render_position(const struct audio_stream_out *stream, uint32_t *dsp_frames) 47119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 47219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 47319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 47419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 475c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int out_get_presentation_position(const struct audio_stream_out *stream, 476c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint64_t *frames, struct timespec *timestamp) 477c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 478c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* FIXME - This needs to be implemented */ 479c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -EINVAL; 480c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 481c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 48219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 48319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 48419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 48519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 48619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 48719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 48819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 48919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 49019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 49119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 49230f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_get_next_write_timestamp(const struct audio_stream_out *stream, int64_t *timestamp) 49319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 49419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 49519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 49619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 49719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_open_output_stream(struct audio_hw_device *dev, 49846a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_io_handle_t handle, 49946a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_devices_t devices, 50046a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_output_flags_t flags, 50146a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood struct audio_config *config, 502f5e2469c02825f018df6336125882812003b8e64Eric Laurent struct audio_stream_out **stream_out, 5030f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean const char *address /*__unused*/) 50419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 5050f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean ALOGV("usb:audio_hw::out adev_open_output_stream()" 5060f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean "handle:0x%X, device:0x%X, flags:0x%X, addr:%s", 5070f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean handle, devices, flags, address); 508eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 50919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_device *adev = (struct audio_device *)dev; 510eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 51119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out; 51219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 51319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out = (struct stream_out *)calloc(1, sizeof(struct stream_out)); 51419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!out) 51519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOMEM; 51619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 517c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* setup function pointers */ 51819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_sample_rate = out_get_sample_rate; 51919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_sample_rate = out_set_sample_rate; 52019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_buffer_size = out_get_buffer_size; 52119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_channels = out_get_channels; 52219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_format = out_get_format; 52319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_format = out_set_format; 52419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.standby = out_standby; 52519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.dump = out_dump; 52619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_parameters = out_set_parameters; 52719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_parameters = out_get_parameters; 52819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.add_audio_effect = out_add_audio_effect; 52919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.remove_audio_effect = out_remove_audio_effect; 53019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_latency = out_get_latency; 53119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.set_volume = out_set_volume; 53219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.write = out_write; 53319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_render_position = out_get_render_position; 534c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean out->stream.get_presentation_position = out_get_presentation_position; 53519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_next_write_timestamp = out_get_next_write_timestamp; 53619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 53719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->dev = adev; 5380f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_lock(&adev->lock); 539c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean out->profile = &adev->out_profile; 540c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 541c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean // build this to hand to the alsa_device_proxy 542c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct pcm_config proxy_config; 5432c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean memset(&proxy_config, 0, sizeof(proxy_config)); 544f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 5450f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean /* Pull out the card/device pair */ 5460f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean parse_card_device_params(address, &(out->profile->card), &(out->profile->device)); 5470f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 5480f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean profile_read_device_info(out->profile); 5490f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 5500f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_unlock(&adev->lock); 5510f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 552c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean int ret = 0; 553c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 554c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Rate */ 555c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (config->sample_rate == 0) { 556c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(out->profile); 557c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (profile_is_sample_rate_valid(out->profile, config->sample_rate)) { 558c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate; 559c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 560c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(out->profile); 561c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 562c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 56319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 564c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Format */ 565c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (config->format == AUDIO_FORMAT_DEFAULT) { 566c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = profile_get_default_format(out->profile); 567c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean config->format = audio_format_from_pcm_format(proxy_config.format); 568c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 569c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean enum pcm_format fmt = pcm_format_from_audio_format(config->format); 570c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (profile_is_format_valid(out->profile, fmt)) { 571c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = fmt; 572c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 573c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = profile_get_default_format(out->profile); 574c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean config->format = audio_format_from_pcm_format(proxy_config.format); 575c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 576c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 577c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 57819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 579c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Channels */ 58003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung unsigned proposed_channel_count = profile_get_default_channel_count(out->profile); 58103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung if (k_force_channels) { 58203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proposed_channel_count = k_force_channels; 58303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung } else if (config->channel_mask != AUDIO_CHANNEL_NONE) { 58403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proposed_channel_count = audio_channel_count_from_out_mask(config->channel_mask); 585eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 58603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* we can expose any channel count mask, and emulate internally. */ 58703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung config->channel_mask = audio_channel_out_mask_from_count(proposed_channel_count); 58803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->hal_channel_count = proposed_channel_count; 58903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* no validity checks are needed as proxy_prepare() forces channel_count to be valid. 59003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * and we emulate any channel count discrepancies in out_write(). */ 59103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proxy_config.channels = proposed_channel_count; 592eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 593c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_prepare(&out->proxy, out->profile, &proxy_config); 594c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 595c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO The retry mechanism isn't implemented in AudioPolicyManager/AudioFlinger. */ 596c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = 0; 597c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 598eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer = NULL; 599eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer_size = 0; 600eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 601eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->standby = true; 60246a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood 60319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *stream_out = &out->stream; 604c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 605c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return ret; 60619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 60719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonerr_open: 60819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(out); 60919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *stream_out = NULL; 610eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 61119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 61219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 61319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic void adev_close_output_stream(struct audio_hw_device *dev, 61419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_stream_out *stream) 61519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 61619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 6170f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean ALOGV("usb:audio_hw::out adev_close_output_stream(c:%d d:%d)", 6180f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean out->profile->card, out->profile->device); 61919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 620c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Close the pcm device */ 62119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out_standby(&stream->common); 622eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 623eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean free(out->conversion_buffer); 624c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 625eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer = NULL; 626eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer_size = 0; 627eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 62819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(stream); 62919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 63019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 63119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic size_t adev_get_input_buffer_size(const struct audio_hw_device *dev, 63246a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood const struct audio_config *config) 63319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 634c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO This needs to be calculated based on format/channels/rate */ 635c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 320; 63619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 63719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 638c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 639c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * IN functions 640c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 641eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic uint32_t in_get_sample_rate(const struct audio_stream *stream) 642eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 643c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint32_t rate = proxy_get_sample_rate(&((const struct stream_in *)stream)->proxy); 644c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_get_sample_rate() = %d", rate); 645c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return rate; 646eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 647eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 648eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_sample_rate(struct audio_stream *stream, uint32_t rate) 649eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 650c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_set_sample_rate(%d) - NOPE", rate); 651eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 652eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 653eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 654eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic size_t in_get_buffer_size(const struct audio_stream *stream) 655eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 656c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean const struct stream_in * in = ((const struct stream_in*)stream); 6572cfd81bae005a795fa405db5615867b107ca02f9Paul McLean return proxy_get_period_size(&in->proxy) * audio_stream_in_frame_size(&(in->stream)); 658eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 659eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 660eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic uint32_t in_get_channels(const struct audio_stream *stream) 661eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 6622cfd81bae005a795fa405db5615867b107ca02f9Paul McLean const struct stream_in *in = (const struct stream_in*)stream; 6632cfd81bae005a795fa405db5615867b107ca02f9Paul McLean return audio_channel_in_mask_from_count(in->hal_channel_count); 664eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 665eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 666eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic audio_format_t in_get_format(const struct audio_stream *stream) 667eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 668c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO Here is the code we need when we support arbitrary input formats 669c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * alsa_device_proxy * proxy = ((struct stream_in*)stream)->proxy; 670c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * audio_format_t format = audio_format_from_pcm_format(proxy_get_format(proxy)); 671c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * ALOGV("in_get_format() = %d", format); 672c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * return format; 673c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 674c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Input only supports PCM16 */ 675c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO When AudioPolicyManager & AudioFlinger supports arbitrary input formats 676c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean rewrite this to return the ACTUAL channel format (above) */ 677c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return AUDIO_FORMAT_PCM_16_BIT; 678eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 679eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 680eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_format(struct audio_stream *stream, audio_format_t format) 681eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 682c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_set_format(%d) - NOPE", format); 683c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 684eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 685eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 686eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 687eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_standby(struct audio_stream *stream) 688eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 689c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_in *in = (struct stream_in *)stream; 69030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 69130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->dev->lock); 69230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->lock); 69330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 69430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (!in->standby) { 695c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_close(&in->proxy); 69630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = true; 69730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 69830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 69930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->lock); 70030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->dev->lock); 70130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 702eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 703eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 704eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 705eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_dump(const struct audio_stream *stream, int fd) 706eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 707eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 708eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 709eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 710eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_parameters(struct audio_stream *stream, const char *kvpairs) 711eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 71230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb: audio_hw::in in_set_parameters() keys:%s", kvpairs); 713eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 714eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct stream_in *in = (struct stream_in *)stream; 715c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 716eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean char value[32]; 717eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int param_val; 718eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int routing = 0; 719eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int ret_value = 0; 72005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int card = -1; 72105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int device = -1; 722eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 723f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->dev->lock); 724f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->lock); 725eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 7260f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean parse_card_device_params(kvpairs, &card, &device); 72705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 7282c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (card >= 0 && device >= 0 && !profile_is_cached_for(in->profile, card, device)) { 72905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent /* cannot read pcm device info if playback is active */ 73005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (!in->standby) 73105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = -ENOSYS; 73205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent else { 73305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_card = in->profile->card; 73405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_device = in->profile->device; 73505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->card = card; 73605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->device = device; 73705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = profile_read_device_info(in->profile) ? 0 : -EINVAL; 73805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (ret_value != 0) { 73905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->card = saved_card; 74005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->device = saved_device; 74105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 74205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 7432c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 744eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 745f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->lock); 746f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->dev->lock); 747c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 748eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return ret_value; 749eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 750eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 751c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * in_get_parameters(const struct audio_stream *stream, const char *keys) 752c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 75330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct stream_in *in = (struct stream_in *)stream; 754c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 755f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->dev->lock); 756f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->lock); 75730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 758c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char * params_str = device_get_parameters(in->profile, keys); 75930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 760f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->lock); 761f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->dev->lock); 7626b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 763f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean return params_str; 764eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 765eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 766eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 767eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 768eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 769eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 770eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 771eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 772eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 773eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 774eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 775eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 77630f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int in_set_gain(struct audio_stream_in *stream, float gain) 77730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 778eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 779eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 780eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 78130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean/* must be called with hw device and output stream mutexes locked */ 782c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int start_input_stream(struct stream_in *in) 783c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 78430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb:audio_hw::start_input_stream(card:%d device:%d)", 785f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean in->profile->card, in->profile->device); 78630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 787c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_open(&in->proxy); 78830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean} 78930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 790e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean/* TODO mutex stuff here (see out_write) */ 79130f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic ssize_t in_read(struct audio_stream_in *stream, void* buffer, size_t bytes) 79230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 79388e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn size_t num_read_buff_bytes = 0; 79430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * read_buff = buffer; 79530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * out_buff = buffer; 79630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 797c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_in * in = (struct stream_in *)stream; 79830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 79930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->dev->lock); 80030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->lock); 80130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (in->standby) { 80230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (start_input_stream(in) != 0) { 80305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&in->dev->lock); 80430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean goto err; 80530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 80630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = false; 80730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 80805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&in->dev->lock); 80905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 81030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 811c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile * profile = in->profile; 812c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 813c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* 814c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * OK, we need to figure out how much data to read to be able to output the requested 815c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * number of bytes in the HAL format (16-bit, stereo). 816c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 81730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean num_read_buff_bytes = bytes; 818c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean int num_device_channels = proxy_get_channel_count(&in->proxy); 8192cfd81bae005a795fa405db5615867b107ca02f9Paul McLean int num_req_channels = in->hal_channel_count; 82030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 82130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 822cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean num_read_buff_bytes = (num_device_channels * num_read_buff_bytes) / num_req_channels; 82330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 82430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 825c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean enum pcm_format format = proxy_get_format(&in->proxy); 826c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (format == PCM_FORMAT_S24_3LE) { 8276b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* 24-bit USB device */ 82830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean num_read_buff_bytes = (3 * num_read_buff_bytes) / 2; 829c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (format == PCM_FORMAT_S32_LE) { 8306b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* 32-bit USB device */ 8316b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean num_read_buff_bytes = num_read_buff_bytes * 2; 83230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 83330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 834c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Setup/Realloc the conversion buffer (if necessary). */ 83530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_read_buff_bytes != bytes) { 83630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_read_buff_bytes > in->conversion_buffer_size) { 837e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean /*TODO Remove this when AudioPolicyManger/AudioFlinger support arbitrary formats 838e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean (and do these conversions themselves) */ 83930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer_size = num_read_buff_bytes; 84030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer = realloc(in->conversion_buffer, in->conversion_buffer_size); 84130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 84230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean read_buff = in->conversion_buffer; 84330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 84430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 845c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (proxy_read(&in->proxy, read_buff, num_read_buff_bytes) == 0) { 84630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* 84730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * Do any conversions necessary to send the data in the format specified to/by the HAL 84830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * (but different from the ALSA format), such as 24bit ->16bit, or 4chan -> 2chan. 84930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean */ 850c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (format != PCM_FORMAT_S16_LE) { 851c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* we need to convert */ 85230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 85330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean out_buff = read_buff; 85430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 85530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 856c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (format == PCM_FORMAT_S24_3LE) { 8576b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean num_read_buff_bytes = 8586b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean convert_24_3_to_16(read_buff, num_read_buff_bytes / 3, out_buff); 859c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (format == PCM_FORMAT_S32_LE) { 8606b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean num_read_buff_bytes = 8616b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean convert_32_to_16(read_buff, num_read_buff_bytes / 4, out_buff); 862c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 8636b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean goto err; 8646b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 86530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 866eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 86730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 868c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean // ALOGV("chans dev:%d req:%d", num_device_channels, num_req_channels); 869c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 87030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean out_buff = buffer; 87130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* Num Channels conversion */ 872eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean if (num_device_channels != num_req_channels) { 873eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean audio_format_t audio_format = in_get_format(&(in->stream.common)); 874eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean unsigned sample_size_in_bytes = audio_bytes_per_sample(audio_format); 875eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean 876fbc02dc16ea43f14e7a0c410bfb787ddcf1b89fbEric Laurent num_read_buff_bytes = 877eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean adjust_channels(read_buff, num_device_channels, 878eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean out_buff, num_req_channels, 879eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean sample_size_in_bytes, num_read_buff_bytes); 880cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean } 88130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 882253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent 883253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent /* no need to acquire in->dev->lock to read mic_muted here as we don't change its state */ 884253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent if (num_read_buff_bytes > 0 && in->dev->mic_muted) 885253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent memset(buffer, 0, num_read_buff_bytes); 88630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 887eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 88830f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanerr: 88930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->lock); 89030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 89130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean return num_read_buff_bytes; 892eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 893eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 89430f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) 89530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 896eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 897eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 898eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 89946a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwoodstatic int adev_open_input_stream(struct audio_hw_device *dev, 90046a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_io_handle_t handle, 90146a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_devices_t devices, 90230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct audio_config *config, 9037d973adff4c9b344b530dd7c585f789d02c605daGlenn Kasten struct audio_stream_in **stream_in, 904f5e2469c02825f018df6336125882812003b8e64Eric Laurent audio_input_flags_t flags __unused, 9050f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean const char *address /*__unused*/, 906f5e2469c02825f018df6336125882812003b8e64Eric Laurent audio_source_t source __unused) 90719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 90888e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn ALOGV("usb: in adev_open_input_stream() rate:%" PRIu32 ", chanMask:0x%" PRIX32 ", fmt:%" PRIu8, 90930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean config->sample_rate, config->channel_mask, config->format); 910eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 911eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct stream_in *in = (struct stream_in *)calloc(1, sizeof(struct stream_in)); 9127661a484021f6e7c3b219bd21659118eef94e45bEric Laurent int ret = 0; 9137661a484021f6e7c3b219bd21659118eef94e45bEric Laurent 914eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean if (in == NULL) 915eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOMEM; 916eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 917c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* setup function pointers */ 918eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_sample_rate = in_get_sample_rate; 919eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_sample_rate = in_set_sample_rate; 920eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_buffer_size = in_get_buffer_size; 921eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_channels = in_get_channels; 922eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_format = in_get_format; 923eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_format = in_set_format; 924eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.standby = in_standby; 925eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.dump = in_dump; 926eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_parameters = in_set_parameters; 927eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_parameters = in_get_parameters; 928eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.add_audio_effect = in_add_audio_effect; 929eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.remove_audio_effect = in_remove_audio_effect; 930eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 931eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.set_gain = in_set_gain; 932eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.read = in_read; 933eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.get_input_frames_lost = in_get_input_frames_lost; 934eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 93530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->dev = (struct audio_device *)dev; 9360f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_lock(&in->dev->lock); 937eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 938c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean in->profile = &in->dev->in_profile; 939f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 940c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct pcm_config proxy_config; 9412c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean memset(&proxy_config, 0, sizeof(proxy_config)); 942eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9430f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean /* Pull out the card/device pair */ 9440f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean parse_card_device_params(address, &(in->profile->card), &(in->profile->device)); 9450f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 9460f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean profile_read_device_info(in->profile); 9470f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean pthread_mutex_unlock(&in->dev->lock); 9480f1753ead073b9abffb23dc712bb636280d7f5a6Paul McLean 9496b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Rate */ 9506b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean if (config->sample_rate == 0) { 951c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(in->profile); 952c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (profile_is_sample_rate_valid(in->profile, config->sample_rate)) { 953c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate; 9546b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } else { 955c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(in->profile); 956c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 9576b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 9587661a484021f6e7c3b219bd21659118eef94e45bEric Laurent 9596b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Format */ 9606b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* until the framework supports format conversion, just take what it asks for 9616b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * i.e. AUDIO_FORMAT_PCM_16_BIT */ 9626b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean if (config->format == AUDIO_FORMAT_DEFAULT) { 9636b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* just return AUDIO_FORMAT_PCM_16_BIT until the framework supports other input 9646b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * formats */ 9656b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean config->format = AUDIO_FORMAT_PCM_16_BIT; 966c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = PCM_FORMAT_S16_LE; 9676b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } else if (config->format == AUDIO_FORMAT_PCM_16_BIT) { 9686b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Always accept AUDIO_FORMAT_PCM_16_BIT until the framework supports other input 9696b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * formats */ 970c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = PCM_FORMAT_S16_LE; 97130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } else { 9726b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* When the framework support other formats, validate here */ 9736b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean config->format = AUDIO_FORMAT_PCM_16_BIT; 974c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = PCM_FORMAT_S16_LE; 9756b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean ret = -EINVAL; 9766b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 977eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9782cfd81bae005a795fa405db5615867b107ca02f9Paul McLean /* Channels */ 9792cfd81bae005a795fa405db5615867b107ca02f9Paul McLean unsigned proposed_channel_count = profile_get_default_channel_count(in->profile); 9802cfd81bae005a795fa405db5615867b107ca02f9Paul McLean if (k_force_channels) { 9812cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proposed_channel_count = k_force_channels; 9822cfd81bae005a795fa405db5615867b107ca02f9Paul McLean } else if (config->channel_mask != AUDIO_CHANNEL_NONE) { 9832cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proposed_channel_count = audio_channel_count_from_in_mask(config->channel_mask); 984eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 985c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 9862cfd81bae005a795fa405db5615867b107ca02f9Paul McLean /* we can expose any channel count mask, and emulate internally. */ 9872cfd81bae005a795fa405db5615867b107ca02f9Paul McLean config->channel_mask = audio_channel_in_mask_from_count(proposed_channel_count); 9882cfd81bae005a795fa405db5615867b107ca02f9Paul McLean in->hal_channel_count = proposed_channel_count; 9892cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proxy_config.channels = profile_get_default_channel_count(in->profile); 990c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_prepare(&in->proxy, in->profile, &proxy_config); 991eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 99230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = true; 99330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 99430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer = NULL; 99530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer_size = 0; 99630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 997eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean *stream_in = &in->stream; 998eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9997661a484021f6e7c3b219bd21659118eef94e45bEric Laurent return ret; 100019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 100119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 100230f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic void adev_close_input_stream(struct audio_hw_device *dev, struct audio_stream_in *stream) 100319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 100430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct stream_in *in = (struct stream_in *)stream; 100530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 1006c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Close the pcm device */ 100730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in_standby(&stream->common); 100830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 100930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean free(in->conversion_buffer); 101030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 101130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean free(stream); 101219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 101319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1014c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 1015c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * ADEV Functions 1016c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 1017c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs) 1018c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 10192c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean ALOGV("audio_hw:usb adev_set_parameters(%s)", kvpairs); 10202c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10212c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean struct audio_device * adev = (struct audio_device *)dev; 10222c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10232c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean char value[32]; 10242c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean int param_val; 10252c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10262c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean struct str_parms * parms = str_parms_create_str(kvpairs); 10272c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10282c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean /* Check for the "disconnect" message */ 10292c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean param_val = str_parms_get_str(parms, "disconnect", value, sizeof(value)); 10302c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (param_val >= 0) { 10312c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean audio_devices_t device = (audio_devices_t)atoi(value); 10322c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10332c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean param_val = str_parms_get_str(parms, "card", value, sizeof(value)); 10342c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean int alsa_card = param_val >= 0 ? atoi(value) : -1; 10352c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10362c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean param_val = str_parms_get_str(parms, "device", value, sizeof(value)); 10372c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean int alsa_device = param_val >= 0 ? atoi(value) : -1; 10382c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10392c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (alsa_card >= 0 && alsa_device >= 0) { 10402c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean /* "decache" the profile */ 10412c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean pthread_mutex_lock(&adev->lock); 10422c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (device == AUDIO_DEVICE_OUT_USB_DEVICE && 10432c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_is_cached_for(&adev->out_profile, alsa_card, alsa_device)) { 10442c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_decache(&adev->out_profile); 10452c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10462c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (device == AUDIO_DEVICE_IN_USB_DEVICE && 10472c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_is_cached_for(&adev->in_profile, alsa_card, alsa_device)) { 10482c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_decache(&adev->in_profile); 10492c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10502c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean pthread_mutex_unlock(&adev->lock); 10512c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10522c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10532c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 1054c357157e28dc0ffd069b80aeba9bf8b9eed72c9asoon str_parms_destroy(parms); 1055c357157e28dc0ffd069b80aeba9bf8b9eed72c9asoon 1056c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1057c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1058c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1059c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * adev_get_parameters(const struct audio_hw_device *dev, const char *keys) 1060c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1061c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return strdup(""); 1062c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1063c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1064c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_init_check(const struct audio_hw_device *dev) 1065c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1066c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1067c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1068c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1069c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_voice_volume(struct audio_hw_device *dev, float volume) 1070c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1071c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1072c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1073c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1074c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_master_volume(struct audio_hw_device *dev, float volume) 1075c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1076c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1077c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1078c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1079c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode) 1080c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1081c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1082c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1083c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1084c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_mic_mute(struct audio_hw_device *dev, bool state) 1085c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1086253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent struct audio_device * adev = (struct audio_device *)dev; 1087253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent pthread_mutex_lock(&adev->lock); 1088253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent adev->mic_muted = state; 1089253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent pthread_mutex_unlock(&adev->lock); 1090c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1091c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1092c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1093c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state) 1094c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1095c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1096c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1097c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 109819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_dump(const audio_hw_device_t *device, int fd) 109919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 110019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 110119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 110219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 110319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_close(hw_device_t *device) 110419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 1105eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_device *adev = (struct audio_device *)device; 110619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(device); 1107eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 110819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 110919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 111019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 111130f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int adev_open(const hw_module_t* module, const char* name, hw_device_t** device) 111219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 111319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) 111419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 111519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1116eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_device *adev = calloc(1, sizeof(struct audio_device)); 111719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!adev) 111819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOMEM; 111919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1120c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean profile_init(&adev->out_profile, PCM_OUT); 1121c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean profile_init(&adev->in_profile, PCM_IN); 1122c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 112319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.common.tag = HARDWARE_DEVICE_TAG; 112485e08e26258711f2fd672d9a920d88bf91410f6bEric Laurent adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_2_0; 1125c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean adev->hw_device.common.module = (struct hw_module_t *)module; 112619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.common.close = adev_close; 112719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 112819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.init_check = adev_init_check; 112919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_voice_volume = adev_set_voice_volume; 113019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_master_volume = adev_set_master_volume; 113119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_mode = adev_set_mode; 113219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_mic_mute = adev_set_mic_mute; 113319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_mic_mute = adev_get_mic_mute; 113419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_parameters = adev_set_parameters; 113519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_parameters = adev_get_parameters; 113619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_input_buffer_size = adev_get_input_buffer_size; 113719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.open_output_stream = adev_open_output_stream; 113819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.close_output_stream = adev_close_output_stream; 113919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.open_input_stream = adev_open_input_stream; 114019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.close_input_stream = adev_close_input_stream; 114119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.dump = adev_dump; 114219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 114319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *device = &adev->hw_device.common; 114419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 114519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 114619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 114719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 114819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic struct hw_module_methods_t hal_module_methods = { 114919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .open = adev_open, 115019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 115119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 115219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct audio_module HAL_MODULE_INFO_SYM = { 115319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .common = { 115419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .tag = HARDWARE_MODULE_TAG, 115546a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood .module_api_version = AUDIO_MODULE_API_VERSION_0_1, 115646a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood .hal_api_version = HARDWARE_HAL_API_VERSION, 115719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .id = AUDIO_HARDWARE_MODULE_ID, 115819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .name = "USB audio HW HAL", 115919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .author = "The Android Open Source Project", 116019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .methods = &hal_module_methods, 116119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson }, 116219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 1163