audio_hal.c revision 83b47a6891a5bf3d546f0f7a8976132e45169075
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" 54c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean#include "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 187c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * device_get_parameters(alsa_device_profile * profile, const char * keys) 18819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 189c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("usb:audio_hw::device_get_parameters() keys:%s", keys); 190f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 191c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (profile->card < 0 || profile->device < 0) { 192c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return strdup(""); 193f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean } 194f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 195c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms *query = str_parms_create_str(keys); 196c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms *result = str_parms_create(); 197f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 198c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* These keys are from hardware/libhardware/include/audio.h */ 199c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported sample rates */ 200c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES)) { 201c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* rates_list = profile_get_sample_rate_strs(profile); 202c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES, 203c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean rates_list); 204c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(rates_list); 205e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean } 20619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 207c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported channel counts */ 208c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_CHANNELS)) { 209c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* channels_list = profile_get_channel_count_strs(profile); 210c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_CHANNELS, 211c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean channels_list); 212c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(channels_list); 213eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 21419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 215c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* supported sample formats */ 216c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (str_parms_has_key(query, AUDIO_PARAMETER_STREAM_SUP_FORMATS)) { 217c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char * format_params = profile_get_format_strs(profile); 218c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_add_str(result, AUDIO_PARAMETER_STREAM_SUP_FORMATS, 219c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean format_params); 220c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean free(format_params); 22119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 222c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_destroy(query); 22319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 224c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char* result_str = str_parms_to_str(result); 225c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean str_parms_destroy(result); 226eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 227c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("usb:audio_hw::device_get_parameters = %s", result_str); 228f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 229c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return result_str; 23019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 23119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 232eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* 233eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * HAl Functions 234eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 235eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/** 236eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * NOTE: when multiple mutexes have to be acquired, always respect the 237eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean * following order: hw device > out stream 238eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean */ 23919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 240c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 241c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * OUT functions 242c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 24319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic uint32_t out_get_sample_rate(const struct audio_stream *stream) 24419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 245c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint32_t rate = proxy_get_sample_rate(&((struct stream_out*)stream)->proxy); 246c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("out_get_sample_rate() = %d", rate); 247c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return rate; 24819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 24919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 25019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_sample_rate(struct audio_stream *stream, uint32_t rate) 25119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 25219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 25319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 25419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 25519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic size_t out_get_buffer_size(const struct audio_stream *stream) 25619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 257c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean const struct stream_out* out = (const struct stream_out*)stream; 258c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean size_t buffer_size = 259c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_get_period_size(&out->proxy) * audio_stream_out_frame_size(&(out->stream)); 260c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return buffer_size; 26119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 26219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 26319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic uint32_t out_get_channels(const struct audio_stream *stream) 26419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 26503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const struct stream_out *out = (const struct stream_out*)stream; 26603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung return audio_channel_out_mask_from_count(out->hal_channel_count); 26719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 26819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 26919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic audio_format_t out_get_format(const struct audio_stream *stream) 27019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 271c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Note: The HAL doesn't do any FORMAT conversion at this time. It 272c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * Relies on the framework to provide data in the specified format. 273c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * This could change in the future. 274c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 275c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy * proxy = &((struct stream_out*)stream)->proxy; 276c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean audio_format_t format = audio_format_from_pcm_format(proxy_get_format(proxy)); 277c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return format; 27819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 27919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 28019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_format(struct audio_stream *stream, audio_format_t format) 28119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 28219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 28319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 28419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 28519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_standby(struct audio_stream *stream) 28619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 28719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 28819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 28919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->dev->lock); 29019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->lock); 29119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 29219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!out->standby) { 293c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_close(&out->proxy); 29419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->standby = true; 29519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 29619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 29719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 29819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->dev->lock); 29919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 30019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 30119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 30219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 30319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_dump(const struct audio_stream *stream, int fd) 30419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 30519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 30619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 30719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 30819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_set_parameters(struct audio_stream *stream, const char *kvpairs) 30919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 310eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean ALOGV("usb:audio_hw::out out_set_parameters() keys:%s", kvpairs); 311eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 31219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 313c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 31419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson char value[32]; 315eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int param_val; 31619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson int routing = 0; 317eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int ret_value = 0; 31805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int card = -1; 31905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int device = -1; 32019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 321c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms * parms = str_parms_create_str(kvpairs); 322f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->dev->lock); 323f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->lock); 32419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 325eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean param_val = str_parms_get_str(parms, "card", value, sizeof(value)); 32605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (param_val >= 0) 32705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent card = atoi(value); 328eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 329eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean param_val = str_parms_get_str(parms, "device", value, sizeof(value)); 33005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (param_val >= 0) 33105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent device = atoi(value); 33205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 3332c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (card >= 0 && device >= 0 && !profile_is_cached_for(out->profile, card, device)) { 33405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent /* cannot read pcm device info if playback is active */ 33505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (!out->standby) 33605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = -ENOSYS; 33705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent else { 33805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_card = out->profile->card; 33905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_device = out->profile->device; 34005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->card = card; 34105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->device = device; 34205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = profile_read_device_info(out->profile) ? 0 : -EINVAL; 34305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (ret_value != 0) { 34405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->card = saved_card; 34505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent out->profile->device = saved_device; 34605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 34705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 348eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 3492c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 350f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->lock); 351f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->dev->lock); 35219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson str_parms_destroy(parms); 35319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 354eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return ret_value; 35519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 35619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 357f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLeanstatic char * out_get_parameters(const struct audio_stream *stream, const char *keys) 35819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 359c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_out *out = (struct stream_out *)stream; 360f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->dev->lock); 361f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&out->lock); 362f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 363f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean char * params_str = device_get_parameters(out->profile, keys); 364f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 365f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->lock); 366f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&out->dev->lock); 367f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 368f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean return params_str; 369f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean} 370f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 371f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLeanstatic uint32_t out_get_latency(const struct audio_stream_out *stream) 372f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean{ 373c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy * proxy = &((struct stream_out*)stream)->proxy; 374c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_get_latency(proxy); 37519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 37619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 37730f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_set_volume(struct audio_stream_out *stream, float left, float right) 37819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 37919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOSYS; 38019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 38119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 382eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean/* must be called with hw device and output stream mutexes locked */ 383eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int start_output_stream(struct stream_out *out) 384eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 38530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb:audio_hw::out start_output_stream(card:%d device:%d)", 386f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean out->profile->card, out->profile->device); 387eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 388c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_open(&out->proxy); 389eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 390eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 391eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic ssize_t out_write(struct audio_stream_out *stream, const void* buffer, size_t bytes) 39219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 39319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson int ret; 39419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 39519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 39619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->dev->lock); 39719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_lock(&out->lock); 39819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (out->standby) { 39919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson ret = start_output_stream(out); 40019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (ret != 0) { 40105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&out->dev->lock); 40219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson goto err; 40319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 40419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->standby = false; 40519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 40605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&out->dev->lock); 40705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 408c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_proxy* proxy = &out->proxy; 40988e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn const void * write_buff = buffer; 410eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int num_write_buff_bytes = bytes; 41103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const int num_device_channels = proxy_get_channel_count(proxy); /* what we told alsa */ 41203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const int num_req_channels = out->hal_channel_count; /* what we told AudioFlinger */ 41330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 41403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* allocate buffer */ 41503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const size_t required_conversion_buffer_size = 41603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung bytes * num_device_channels / num_req_channels; 41703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung if (required_conversion_buffer_size > out->conversion_buffer_size) { 41803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer_size = required_conversion_buffer_size; 41903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer = realloc(out->conversion_buffer, 42003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer_size); 42103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung } 42203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* convert data */ 42303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const audio_format_t audio_format = out_get_format(&(out->stream.common)); 42403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung const unsigned sample_size_in_bytes = audio_bytes_per_sample(audio_format); 425eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean num_write_buff_bytes = 42603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung adjust_channels(write_buff, num_req_channels, 42703576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->conversion_buffer, num_device_channels, 42803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung sample_size_in_bytes, num_write_buff_bytes); 429eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean write_buff = out->conversion_buffer; 430eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 431eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 432eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean if (write_buff != NULL && num_write_buff_bytes != 0) { 433c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_write(&out->proxy, write_buff, num_write_buff_bytes); 434eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 43519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 43619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 43719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 43819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return bytes; 43919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 44019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonerr: 44119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson pthread_mutex_unlock(&out->lock); 44219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (ret != 0) { 443c5ae6a030484f83beb3f2120f136cec1c0ef8b0aEric Laurent usleep(bytes * 1000000 / audio_stream_out_frame_size(stream) / 44419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out_get_sample_rate(&stream->common)); 44519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson } 44619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 44719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return bytes; 44819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 44919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 45030f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_get_render_position(const struct audio_stream_out *stream, uint32_t *dsp_frames) 45119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 45219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 45319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 45419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 455c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int out_get_presentation_position(const struct audio_stream_out *stream, 456c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint64_t *frames, struct timespec *timestamp) 457c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 458c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* FIXME - This needs to be implemented */ 459c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -EINVAL; 460c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 461c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 46219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 46319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 46419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 46519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 46619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 46719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 46819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 46919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 47019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 47119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 47230f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int out_get_next_write_timestamp(const struct audio_stream_out *stream, int64_t *timestamp) 47319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 47419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 47519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 47619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 47719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_open_output_stream(struct audio_hw_device *dev, 47846a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_io_handle_t handle, 47946a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_devices_t devices, 48046a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_output_flags_t flags, 48146a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood struct audio_config *config, 482f5e2469c02825f018df6336125882812003b8e64Eric Laurent struct audio_stream_out **stream_out, 483f5e2469c02825f018df6336125882812003b8e64Eric Laurent const char *address __unused) 48419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 48530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb:audio_hw::out adev_open_output_stream() handle:0x%X, device:0x%X, flags:0x%X", 486eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean handle, devices, flags); 487eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 48819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_device *adev = (struct audio_device *)dev; 489eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 49019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out; 49119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 49219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out = (struct stream_out *)calloc(1, sizeof(struct stream_out)); 49319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!out) 49419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOMEM; 49519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 496c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* setup function pointers */ 49719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_sample_rate = out_get_sample_rate; 49819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_sample_rate = out_set_sample_rate; 49919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_buffer_size = out_get_buffer_size; 50019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_channels = out_get_channels; 50119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_format = out_get_format; 50219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_format = out_set_format; 50319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.standby = out_standby; 50419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.dump = out_dump; 50519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.set_parameters = out_set_parameters; 50619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.get_parameters = out_get_parameters; 50719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.add_audio_effect = out_add_audio_effect; 50819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.common.remove_audio_effect = out_remove_audio_effect; 50919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_latency = out_get_latency; 51019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.set_volume = out_set_volume; 51119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.write = out_write; 51219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_render_position = out_get_render_position; 513c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean out->stream.get_presentation_position = out_get_presentation_position; 51419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->stream.get_next_write_timestamp = out_get_next_write_timestamp; 51519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 51619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out->dev = adev; 51719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 518c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean out->profile = &adev->out_profile; 519c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 520c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean // build this to hand to the alsa_device_proxy 521c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct pcm_config proxy_config; 5222c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean memset(&proxy_config, 0, sizeof(proxy_config)); 523f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 524c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean int ret = 0; 525c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 526c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Rate */ 527c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (config->sample_rate == 0) { 528c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(out->profile); 529c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (profile_is_sample_rate_valid(out->profile, config->sample_rate)) { 530c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate; 531c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 532c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(out->profile); 533c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 534c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 53519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 536c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Format */ 537c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (config->format == AUDIO_FORMAT_DEFAULT) { 538c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = profile_get_default_format(out->profile); 539c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean config->format = audio_format_from_pcm_format(proxy_config.format); 540c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 541c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean enum pcm_format fmt = pcm_format_from_audio_format(config->format); 542c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (profile_is_format_valid(out->profile, fmt)) { 543c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = fmt; 544c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 545c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = profile_get_default_format(out->profile); 546c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean config->format = audio_format_from_pcm_format(proxy_config.format); 547c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 548c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 549c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } 55019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 551c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Channels */ 55203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung unsigned proposed_channel_count = profile_get_default_channel_count(out->profile); 55303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung if (k_force_channels) { 55403576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proposed_channel_count = k_force_channels; 55503576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung } else if (config->channel_mask != AUDIO_CHANNEL_NONE) { 55603576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proposed_channel_count = audio_channel_count_from_out_mask(config->channel_mask); 557eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 55803576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* we can expose any channel count mask, and emulate internally. */ 55903576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung config->channel_mask = audio_channel_out_mask_from_count(proposed_channel_count); 56003576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung out->hal_channel_count = proposed_channel_count; 56103576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung /* no validity checks are needed as proxy_prepare() forces channel_count to be valid. 56203576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung * and we emulate any channel count discrepancies in out_write(). */ 56303576bed8129d6d2faad5cb9c6aaae7cebb35d70Andy Hung proxy_config.channels = proposed_channel_count; 564eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 565c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_prepare(&out->proxy, out->profile, &proxy_config); 566c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 567c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO The retry mechanism isn't implemented in AudioPolicyManager/AudioFlinger. */ 568c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = 0; 569c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 570eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer = NULL; 571eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer_size = 0; 572eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 573eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->standby = true; 57446a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood 57519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *stream_out = &out->stream; 576c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 577c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return ret; 57819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 57919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonerr_open: 58019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(out); 58119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *stream_out = NULL; 582eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 58319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 58419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 58519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic void adev_close_output_stream(struct audio_hw_device *dev, 58619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct audio_stream_out *stream) 58719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 588eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean ALOGV("usb:audio_hw::out adev_close_output_stream()"); 58919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson struct stream_out *out = (struct stream_out *)stream; 59019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 591c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Close the pcm device */ 59219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson out_standby(&stream->common); 593eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 594eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean free(out->conversion_buffer); 595c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 596eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer = NULL; 597eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean out->conversion_buffer_size = 0; 598eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 59919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(stream); 60019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 60119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 60219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic size_t adev_get_input_buffer_size(const struct audio_hw_device *dev, 60346a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood const struct audio_config *config) 60419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 605c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO This needs to be calculated based on format/channels/rate */ 606c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 320; 60719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 60819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 609c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 610c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * IN functions 611c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 612eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic uint32_t in_get_sample_rate(const struct audio_stream *stream) 613eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 614c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean uint32_t rate = proxy_get_sample_rate(&((const struct stream_in *)stream)->proxy); 615c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_get_sample_rate() = %d", rate); 616c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return rate; 617eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 618eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 619eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_sample_rate(struct audio_stream *stream, uint32_t rate) 620eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 621c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_set_sample_rate(%d) - NOPE", rate); 622eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 623eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 624eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 625eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic size_t in_get_buffer_size(const struct audio_stream *stream) 626eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 627c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean const struct stream_in * in = ((const struct stream_in*)stream); 6282cfd81bae005a795fa405db5615867b107ca02f9Paul McLean return proxy_get_period_size(&in->proxy) * audio_stream_in_frame_size(&(in->stream)); 629eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 630eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 631eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic uint32_t in_get_channels(const struct audio_stream *stream) 632eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 6332cfd81bae005a795fa405db5615867b107ca02f9Paul McLean const struct stream_in *in = (const struct stream_in*)stream; 6342cfd81bae005a795fa405db5615867b107ca02f9Paul McLean return audio_channel_in_mask_from_count(in->hal_channel_count); 635eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 636eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 637eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic audio_format_t in_get_format(const struct audio_stream *stream) 638eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 639c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO Here is the code we need when we support arbitrary input formats 640c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * alsa_device_proxy * proxy = ((struct stream_in*)stream)->proxy; 641c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * audio_format_t format = audio_format_from_pcm_format(proxy_get_format(proxy)); 642c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * ALOGV("in_get_format() = %d", format); 643c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * return format; 644c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 645c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Input only supports PCM16 */ 646c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* TODO When AudioPolicyManager & AudioFlinger supports arbitrary input formats 647c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean rewrite this to return the ACTUAL channel format (above) */ 648c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return AUDIO_FORMAT_PCM_16_BIT; 649eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 650eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 651eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_format(struct audio_stream *stream, audio_format_t format) 652eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 653c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ALOGV("in_set_format(%d) - NOPE", format); 654c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 655eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOSYS; 656eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 657eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 658eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_standby(struct audio_stream *stream) 659eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 660c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_in *in = (struct stream_in *)stream; 66130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 66230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->dev->lock); 66330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->lock); 66430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 66530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (!in->standby) { 666c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_close(&in->proxy); 66730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = true; 66830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 66930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 67030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->lock); 67130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->dev->lock); 67230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 673eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 674eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 675eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 676eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_dump(const struct audio_stream *stream, int fd) 677eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 678eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 679eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 680eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 681eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_set_parameters(struct audio_stream *stream, const char *kvpairs) 682eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 68330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb: audio_hw::in in_set_parameters() keys:%s", kvpairs); 684eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 685eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct stream_in *in = (struct stream_in *)stream; 686c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 687eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean char value[32]; 688eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int param_val; 689eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int routing = 0; 690eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean int ret_value = 0; 69105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int card = -1; 69205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int device = -1; 693eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 694c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct str_parms * parms = str_parms_create_str(kvpairs); 695c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 696f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->dev->lock); 697f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->lock); 698eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 6992c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean /* Device Connection Message ("card=1,device=0") */ 700eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean param_val = str_parms_get_str(parms, "card", value, sizeof(value)); 70105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (param_val >= 0) 70205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent card = atoi(value); 703eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 704eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean param_val = str_parms_get_str(parms, "device", value, sizeof(value)); 70505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (param_val >= 0) 70605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent device = atoi(value); 70705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 7082c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (card >= 0 && device >= 0 && !profile_is_cached_for(in->profile, card, device)) { 70905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent /* cannot read pcm device info if playback is active */ 71005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (!in->standby) 71105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = -ENOSYS; 71205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent else { 71305333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_card = in->profile->card; 71405333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent int saved_device = in->profile->device; 71505333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->card = card; 71605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->device = device; 71705333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent ret_value = profile_read_device_info(in->profile) ? 0 : -EINVAL; 71805333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent if (ret_value != 0) { 71905333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->card = saved_card; 72005333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent in->profile->device = saved_device; 72105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 72205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent } 7232c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 724eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 725f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->lock); 726f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->dev->lock); 727c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 728eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean str_parms_destroy(parms); 729eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 730eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return ret_value; 731eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 732eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 733c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * in_get_parameters(const struct audio_stream *stream, const char *keys) 734c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 73530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct stream_in *in = (struct stream_in *)stream; 736c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 737f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->dev->lock); 738f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_lock(&in->lock); 73930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 740c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean char * params_str = device_get_parameters(in->profile, keys); 74130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 742f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->lock); 743f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean pthread_mutex_unlock(&in->dev->lock); 7446b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean 745f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean return params_str; 746eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 747eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 748eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 749eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 750eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 751eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 752eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 753eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLeanstatic int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) 754eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean{ 755eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 756eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 757eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 75830f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int in_set_gain(struct audio_stream_in *stream, float gain) 75930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 760eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 761eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 762eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 76330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean/* must be called with hw device and output stream mutexes locked */ 764c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int start_input_stream(struct stream_in *in) 765c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 76630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean ALOGV("usb:audio_hw::start_input_stream(card:%d device:%d)", 767f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean in->profile->card, in->profile->device); 76830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 769c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return proxy_open(&in->proxy); 77030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean} 77130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 772e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean/* TODO mutex stuff here (see out_write) */ 77330f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic ssize_t in_read(struct audio_stream_in *stream, void* buffer, size_t bytes) 77430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 77588e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn size_t num_read_buff_bytes = 0; 77630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * read_buff = buffer; 77730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean void * out_buff = buffer; 77883b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala int ret = 0; 77930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 780c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct stream_in * in = (struct stream_in *)stream; 78130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 78230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->dev->lock); 78330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_lock(&in->lock); 78430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (in->standby) { 78530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (start_input_stream(in) != 0) { 78605333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&in->dev->lock); 78730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean goto err; 78830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 78930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = false; 79030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 79105333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent pthread_mutex_unlock(&in->dev->lock); 79205333d458d1c946a17c127372d3ff82558f38ee6Eric Laurent 79330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 794c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean alsa_device_profile * profile = in->profile; 795c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 796c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* 797c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * OK, we need to figure out how much data to read to be able to output the requested 798c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * number of bytes in the HAL format (16-bit, stereo). 799c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 80030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean num_read_buff_bytes = bytes; 801c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean int num_device_channels = proxy_get_channel_count(&in->proxy); 8022cfd81bae005a795fa405db5615867b107ca02f9Paul McLean int num_req_channels = in->hal_channel_count; 80330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 80430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 805cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean num_read_buff_bytes = (num_device_channels * num_read_buff_bytes) / num_req_channels; 80630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 80730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 808c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean enum pcm_format format = proxy_get_format(&in->proxy); 809c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (format == PCM_FORMAT_S24_3LE) { 8106b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* 24-bit USB device */ 81130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean num_read_buff_bytes = (3 * num_read_buff_bytes) / 2; 812c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (format == PCM_FORMAT_S32_LE) { 8136b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* 32-bit USB device */ 8146b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean num_read_buff_bytes = num_read_buff_bytes * 2; 81530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 81630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 817c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Setup/Realloc the conversion buffer (if necessary). */ 81830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_read_buff_bytes != bytes) { 81930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_read_buff_bytes > in->conversion_buffer_size) { 820e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean /*TODO Remove this when AudioPolicyManger/AudioFlinger support arbitrary formats 821e32cbc1fdd5990ec8abc748cd3f1e1ebf5002077Paul McLean (and do these conversions themselves) */ 82230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer_size = num_read_buff_bytes; 82330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer = realloc(in->conversion_buffer, in->conversion_buffer_size); 82430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 82530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean read_buff = in->conversion_buffer; 82630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 82730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 82883b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala ret = proxy_read(&in->proxy, read_buff, num_read_buff_bytes); 82983b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala if (ret == 0) { 83030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* 83130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * Do any conversions necessary to send the data in the format specified to/by the HAL 83230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean * (but different from the ALSA format), such as 24bit ->16bit, or 4chan -> 2chan. 83330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean */ 834c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (format != PCM_FORMAT_S16_LE) { 835c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* we need to convert */ 83630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 83730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean out_buff = read_buff; 83830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 83930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 840c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean if (format == PCM_FORMAT_S24_3LE) { 8416b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean num_read_buff_bytes = 8426b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean convert_24_3_to_16(read_buff, num_read_buff_bytes / 3, out_buff); 843c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (format == PCM_FORMAT_S32_LE) { 8446b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean num_read_buff_bytes = 8456b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean convert_32_to_16(read_buff, num_read_buff_bytes / 4, out_buff); 846c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else { 8476b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean goto err; 8486b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 84930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 850eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 85130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean if (num_device_channels != num_req_channels) { 852c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean // ALOGV("chans dev:%d req:%d", num_device_channels, num_req_channels); 853c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 85430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean out_buff = buffer; 85530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean /* Num Channels conversion */ 856eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean if (num_device_channels != num_req_channels) { 857eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean audio_format_t audio_format = in_get_format(&(in->stream.common)); 858eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean unsigned sample_size_in_bytes = audio_bytes_per_sample(audio_format); 859eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean 860fbc02dc16ea43f14e7a0c410bfb787ddcf1b89fbEric Laurent num_read_buff_bytes = 861eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean adjust_channels(read_buff, num_device_channels, 862eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean out_buff, num_req_channels, 863eb192973f39b0a2f9ecab671f6c719e917e52cc7Paul McLean sample_size_in_bytes, num_read_buff_bytes); 864cf61191774068ffeb00153c006fbf0a9ab612fcbPaul McLean } 86530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 866253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent 867253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent /* no need to acquire in->dev->lock to read mic_muted here as we don't change its state */ 868253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent if (num_read_buff_bytes > 0 && in->dev->mic_muted) 869253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent memset(buffer, 0, num_read_buff_bytes); 87083b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala } else if (ret == -ENODEV) { 87183b47a6891a5bf3d546f0f7a8976132e45169075Pavan Chikkala num_read_buff_bytes = 0; //reset the value after USB headset is unplugged 87230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } 873eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 87430f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanerr: 87530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean pthread_mutex_unlock(&in->lock); 87630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 87730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean return num_read_buff_bytes; 878eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 879eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 88030f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) 88130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean{ 882eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return 0; 883eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean} 884eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 88546a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwoodstatic int adev_open_input_stream(struct audio_hw_device *dev, 88646a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_io_handle_t handle, 88746a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood audio_devices_t devices, 88830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct audio_config *config, 8897d973adff4c9b344b530dd7c585f789d02c605daGlenn Kasten struct audio_stream_in **stream_in, 890f5e2469c02825f018df6336125882812003b8e64Eric Laurent audio_input_flags_t flags __unused, 891f5e2469c02825f018df6336125882812003b8e64Eric Laurent const char *address __unused, 892f5e2469c02825f018df6336125882812003b8e64Eric Laurent audio_source_t source __unused) 89319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 89488e458ae613d7b5450e63487f42056ddecc95b24Mark Salyzyn ALOGV("usb: in adev_open_input_stream() rate:%" PRIu32 ", chanMask:0x%" PRIX32 ", fmt:%" PRIu8, 89530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean config->sample_rate, config->channel_mask, config->format); 896eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 897eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct stream_in *in = (struct stream_in *)calloc(1, sizeof(struct stream_in)); 8987661a484021f6e7c3b219bd21659118eef94e45bEric Laurent int ret = 0; 8997661a484021f6e7c3b219bd21659118eef94e45bEric Laurent 900eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean if (in == NULL) 901eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean return -ENOMEM; 902eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 903c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* setup function pointers */ 904eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_sample_rate = in_get_sample_rate; 905eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_sample_rate = in_set_sample_rate; 906eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_buffer_size = in_get_buffer_size; 907eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_channels = in_get_channels; 908eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_format = in_get_format; 909eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_format = in_set_format; 910eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.standby = in_standby; 911eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.dump = in_dump; 912eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.set_parameters = in_set_parameters; 913eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.get_parameters = in_get_parameters; 914eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.add_audio_effect = in_add_audio_effect; 915eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.common.remove_audio_effect = in_remove_audio_effect; 916eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 917eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.set_gain = in_set_gain; 918eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.read = in_read; 919eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean in->stream.get_input_frames_lost = in_get_input_frames_lost; 920eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 92130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->dev = (struct audio_device *)dev; 922eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 923c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean in->profile = &in->dev->in_profile; 924f62d75ebc600a0e56db3350cf5c972b1efc0acdcPaul McLean 925c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean struct pcm_config proxy_config; 9262c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean memset(&proxy_config, 0, sizeof(proxy_config)); 927eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9286b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Rate */ 9296b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean if (config->sample_rate == 0) { 930c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(in->profile); 931c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean } else if (profile_is_sample_rate_valid(in->profile, config->sample_rate)) { 932c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate; 9336b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } else { 934c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.rate = config->sample_rate = profile_get_default_sample_rate(in->profile); 935c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean ret = -EINVAL; 9366b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 9377661a484021f6e7c3b219bd21659118eef94e45bEric Laurent 9386b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Format */ 9396b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* until the framework supports format conversion, just take what it asks for 9406b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * i.e. AUDIO_FORMAT_PCM_16_BIT */ 9416b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean if (config->format == AUDIO_FORMAT_DEFAULT) { 9426b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* just return AUDIO_FORMAT_PCM_16_BIT until the framework supports other input 9436b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * formats */ 9446b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean config->format = AUDIO_FORMAT_PCM_16_BIT; 945c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = PCM_FORMAT_S16_LE; 9466b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } else if (config->format == AUDIO_FORMAT_PCM_16_BIT) { 9476b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* Always accept AUDIO_FORMAT_PCM_16_BIT until the framework supports other input 9486b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean * formats */ 949c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = PCM_FORMAT_S16_LE; 95030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean } else { 9516b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean /* When the framework support other formats, validate here */ 9526b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean config->format = AUDIO_FORMAT_PCM_16_BIT; 953c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_config.format = PCM_FORMAT_S16_LE; 9546b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean ret = -EINVAL; 9556b1c0fef801c9435ed3446d53cc45d1b1f6fd07ePaul McLean } 956eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9572cfd81bae005a795fa405db5615867b107ca02f9Paul McLean /* Channels */ 9582cfd81bae005a795fa405db5615867b107ca02f9Paul McLean unsigned proposed_channel_count = profile_get_default_channel_count(in->profile); 9592cfd81bae005a795fa405db5615867b107ca02f9Paul McLean if (k_force_channels) { 9602cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proposed_channel_count = k_force_channels; 9612cfd81bae005a795fa405db5615867b107ca02f9Paul McLean } else if (config->channel_mask != AUDIO_CHANNEL_NONE) { 9622cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proposed_channel_count = audio_channel_count_from_in_mask(config->channel_mask); 963eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean } 964c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 9652cfd81bae005a795fa405db5615867b107ca02f9Paul McLean /* we can expose any channel count mask, and emulate internally. */ 9662cfd81bae005a795fa405db5615867b107ca02f9Paul McLean config->channel_mask = audio_channel_in_mask_from_count(proposed_channel_count); 9672cfd81bae005a795fa405db5615867b107ca02f9Paul McLean in->hal_channel_count = proposed_channel_count; 9682cfd81bae005a795fa405db5615867b107ca02f9Paul McLean proxy_config.channels = profile_get_default_channel_count(in->profile); 969c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean proxy_prepare(&in->proxy, in->profile, &proxy_config); 970eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 97130f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->standby = true; 97230f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 97330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer = NULL; 97430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in->conversion_buffer_size = 0; 97530f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 976eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean *stream_in = &in->stream; 977eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 9787661a484021f6e7c3b219bd21659118eef94e45bEric Laurent return ret; 97919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 98019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 98130f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic void adev_close_input_stream(struct audio_hw_device *dev, struct audio_stream_in *stream) 98219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 98330f4185da772fcc679db35e01148eca6eeafe15fPaul McLean struct stream_in *in = (struct stream_in *)stream; 98430f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 985c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean /* Close the pcm device */ 98630f4185da772fcc679db35e01148eca6eeafe15fPaul McLean in_standby(&stream->common); 98730f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 98830f4185da772fcc679db35e01148eca6eeafe15fPaul McLean free(in->conversion_buffer); 98930f4185da772fcc679db35e01148eca6eeafe15fPaul McLean 99030f4185da772fcc679db35e01148eca6eeafe15fPaul McLean free(stream); 99119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 99219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 993c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean/* 994c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean * ADEV Functions 995c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean */ 996c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs) 997c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 9982c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean ALOGV("audio_hw:usb adev_set_parameters(%s)", kvpairs); 9992c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10002c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean struct audio_device * adev = (struct audio_device *)dev; 10012c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10022c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean char value[32]; 10032c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean int param_val; 10042c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10052c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean struct str_parms * parms = str_parms_create_str(kvpairs); 10062c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10072c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean /* Check for the "disconnect" message */ 10082c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean param_val = str_parms_get_str(parms, "disconnect", value, sizeof(value)); 10092c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (param_val >= 0) { 10102c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean audio_devices_t device = (audio_devices_t)atoi(value); 10112c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10122c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean param_val = str_parms_get_str(parms, "card", value, sizeof(value)); 10132c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean int alsa_card = param_val >= 0 ? atoi(value) : -1; 10142c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10152c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean param_val = str_parms_get_str(parms, "device", value, sizeof(value)); 10162c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean int alsa_device = param_val >= 0 ? atoi(value) : -1; 10172c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 10182c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (alsa_card >= 0 && alsa_device >= 0) { 10192c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean /* "decache" the profile */ 10202c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean pthread_mutex_lock(&adev->lock); 10212c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (device == AUDIO_DEVICE_OUT_USB_DEVICE && 10222c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_is_cached_for(&adev->out_profile, alsa_card, alsa_device)) { 10232c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_decache(&adev->out_profile); 10242c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10252c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean if (device == AUDIO_DEVICE_IN_USB_DEVICE && 10262c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_is_cached_for(&adev->in_profile, alsa_card, alsa_device)) { 10272c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean profile_decache(&adev->in_profile); 10282c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10292c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean pthread_mutex_unlock(&adev->lock); 10302c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10312c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean } 10322c6196f20c2ca25f6e7f8e0f752c2cbc00113538Paul McLean 1033781bb3f72e2706f07ee8bcc0c140201faf07c35csoon str_parms_destroy(parms); 1034781bb3f72e2706f07ee8bcc0c140201faf07c35csoon 1035c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1036c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1037c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1038c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic char * adev_get_parameters(const struct audio_hw_device *dev, const char *keys) 1039c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1040c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return strdup(""); 1041c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1042c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1043c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_init_check(const struct audio_hw_device *dev) 1044c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1045c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1046c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1047c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1048c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_voice_volume(struct audio_hw_device *dev, float volume) 1049c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1050c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1051c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1052c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1053c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_master_volume(struct audio_hw_device *dev, float volume) 1054c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1055c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1056c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1057c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1058c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode) 1059c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1060c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return 0; 1061c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1062c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1063c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_set_mic_mute(struct audio_hw_device *dev, bool state) 1064c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1065253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent struct audio_device * adev = (struct audio_device *)dev; 1066253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent pthread_mutex_lock(&adev->lock); 1067253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent adev->mic_muted = state; 1068253def9fa0b5d597125ce0af883d9c1deddd7ef9Eric Laurent pthread_mutex_unlock(&adev->lock); 1069c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1070c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1071c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 1072c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLeanstatic int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state) 1073c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean{ 1074c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean return -ENOSYS; 1075c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean} 1076c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 107719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_dump(const audio_hw_device_t *device, int fd) 107819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 107919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 108019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 108119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 108219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic int adev_close(hw_device_t *device) 108319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 1084eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_device *adev = (struct audio_device *)device; 108519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson free(device); 1086eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean 108719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 108819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 108919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 109030f4185da772fcc679db35e01148eca6eeafe15fPaul McLeanstatic int adev_open(const hw_module_t* module, const char* name, hw_device_t** device) 109119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson{ 109219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) 109319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -EINVAL; 109419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1095eedc92ea4df9ab1429aaa38bbd590ab7ee20faa1Paul McLean struct audio_device *adev = calloc(1, sizeof(struct audio_device)); 109619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson if (!adev) 109719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return -ENOMEM; 109819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 1099c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean profile_init(&adev->out_profile, PCM_OUT); 1100c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean profile_init(&adev->in_profile, PCM_IN); 1101c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean 110219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.common.tag = HARDWARE_DEVICE_TAG; 110385e08e26258711f2fd672d9a920d88bf91410f6bEric Laurent adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_2_0; 1104c88e6ae584a5f7ea65ab6df89e381c2c7bf8e84ePaul McLean adev->hw_device.common.module = (struct hw_module_t *)module; 110519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.common.close = adev_close; 110619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 110719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.init_check = adev_init_check; 110819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_voice_volume = adev_set_voice_volume; 110919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_master_volume = adev_set_master_volume; 111019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_mode = adev_set_mode; 111119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_mic_mute = adev_set_mic_mute; 111219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_mic_mute = adev_get_mic_mute; 111319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.set_parameters = adev_set_parameters; 111419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_parameters = adev_get_parameters; 111519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.get_input_buffer_size = adev_get_input_buffer_size; 111619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.open_output_stream = adev_open_output_stream; 111719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.close_output_stream = adev_close_output_stream; 111819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.open_input_stream = adev_open_input_stream; 111919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.close_input_stream = adev_close_input_stream; 112019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson adev->hw_device.dump = adev_dump; 112119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 112219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson *device = &adev->hw_device.common; 112319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 112419957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson return 0; 112519957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson} 112619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 112719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstatic struct hw_module_methods_t hal_module_methods = { 112819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .open = adev_open, 112919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 113019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson 113119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilsonstruct audio_module HAL_MODULE_INFO_SYM = { 113219957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .common = { 113319957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .tag = HARDWARE_MODULE_TAG, 113446a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood .module_api_version = AUDIO_MODULE_API_VERSION_0_1, 113546a9809e9cd50af84f3e554c3d4ac214a8519831Mike Lockwood .hal_api_version = HARDWARE_HAL_API_VERSION, 113619957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .id = AUDIO_HARDWARE_MODULE_ID, 113719957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .name = "USB audio HW HAL", 113819957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .author = "The Android Open Source Project", 113919957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson .methods = &hal_module_methods, 114019957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson }, 114119957a37a0f92257d8cccb5cbcb6e57a836d33acSimon Wilson}; 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