Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "r_submix" |
Jean-Michel Trivi | 35a2c16 | 2012-09-17 10:13:26 -0700 | [diff] [blame] | 18 | //#define LOG_NDEBUG 0 |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 19 | |
| 20 | #include <errno.h> |
| 21 | #include <pthread.h> |
| 22 | #include <stdint.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 23 | #include <stdlib.h> |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 24 | #include <sys/param.h> |
| 25 | #include <sys/time.h> |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 26 | #include <sys/limits.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 27 | |
| 28 | #include <cutils/log.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 29 | #include <cutils/properties.h> |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 30 | #include <cutils/str_parms.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 31 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 32 | #include <hardware/audio.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 33 | #include <hardware/hardware.h> |
| 34 | #include <system/audio.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 35 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 36 | #include <media/AudioParameter.h> |
| 37 | #include <media/AudioBufferProvider.h> |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 38 | #include <media/nbaio/MonoPipe.h> |
| 39 | #include <media/nbaio/MonoPipeReader.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 40 | |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 41 | #include <utils/String8.h> |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 42 | |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 43 | #define LOG_STREAMS_TO_FILES 0 |
| 44 | #if LOG_STREAMS_TO_FILES |
| 45 | #include <fcntl.h> |
| 46 | #include <stdio.h> |
| 47 | #include <sys/stat.h> |
| 48 | #endif // LOG_STREAMS_TO_FILES |
| 49 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 50 | extern "C" { |
| 51 | |
| 52 | namespace android { |
| 53 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 54 | // Set to 1 to enable extremely verbose logging in this module. |
| 55 | #define SUBMIX_VERBOSE_LOGGING 0 |
| 56 | #if SUBMIX_VERBOSE_LOGGING |
| 57 | #define SUBMIX_ALOGV(...) ALOGV(__VA_ARGS__) |
| 58 | #define SUBMIX_ALOGE(...) ALOGE(__VA_ARGS__) |
| 59 | #else |
| 60 | #define SUBMIX_ALOGV(...) |
| 61 | #define SUBMIX_ALOGE(...) |
| 62 | #endif // SUBMIX_VERBOSE_LOGGING |
| 63 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 64 | // NOTE: This value will be rounded up to the nearest power of 2 by MonoPipe(). |
| 65 | #define DEFAULT_PIPE_SIZE_IN_FRAMES (1024*8) |
| 66 | // Value used to divide the MonoPipe() buffer into segments that are written to the source and |
| 67 | // read from the sink. The maximum latency of the device is the size of the MonoPipe's buffer |
| 68 | // the minimum latency is the MonoPipe buffer size divided by this value. |
| 69 | #define DEFAULT_PIPE_PERIOD_COUNT 4 |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 70 | // The duration of MAX_READ_ATTEMPTS * READ_ATTEMPT_SLEEP_MS must be stricly inferior to |
| 71 | // the duration of a record buffer at the current record sample rate (of the device, not of |
| 72 | // the recording itself). Here we have: |
| 73 | // 3 * 5ms = 15ms < 1024 frames * 1000 / 48000 = 21.333ms |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 74 | #define MAX_READ_ATTEMPTS 3 |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 75 | #define READ_ATTEMPT_SLEEP_MS 5 // 5ms between two read attempts when pipe is empty |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 76 | #define DEFAULT_SAMPLE_RATE_HZ 48000 // default sample rate |
| 77 | // See NBAIO_Format frameworks/av/include/media/nbaio/NBAIO.h. |
| 78 | #define DEFAULT_FORMAT AUDIO_FORMAT_PCM_16_BIT |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 79 | // A legacy user of this device does not close the input stream when it shuts down, which |
| 80 | // results in the application opening a new input stream before closing the old input stream |
| 81 | // handle it was previously using. Setting this value to 1 allows multiple clients to open |
| 82 | // multiple input streams from this device. If this option is enabled, each input stream returned |
| 83 | // is *the same stream* which means that readers will race to read data from these streams. |
| 84 | #define ENABLE_LEGACY_INPUT_OPEN 1 |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 85 | // Whether channel conversion (16-bit signed PCM mono->stereo, stereo->mono) is enabled. |
| 86 | #define ENABLE_CHANNEL_CONVERSION 1 |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 87 | // Whether resampling is enabled. |
| 88 | #define ENABLE_RESAMPLING 1 |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 89 | #if LOG_STREAMS_TO_FILES |
| 90 | // Folder to save stream log files to. |
| 91 | #define LOG_STREAM_FOLDER "/data/misc/media" |
| 92 | // Log filenames for input and output streams. |
| 93 | #define LOG_STREAM_OUT_FILENAME LOG_STREAM_FOLDER "/r_submix_out.raw" |
| 94 | #define LOG_STREAM_IN_FILENAME LOG_STREAM_FOLDER "/r_submix_in.raw" |
| 95 | // File permissions for stream log files. |
| 96 | #define LOG_STREAM_FILE_PERMISSIONS (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) |
| 97 | #endif // LOG_STREAMS_TO_FILES |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 98 | |
| 99 | // Common limits macros. |
| 100 | #ifndef min |
| 101 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 102 | #endif // min |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 103 | #ifndef max |
| 104 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 105 | #endif // max |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 106 | |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 107 | // Set *result_variable_ptr to true if value_to_find is present in the array array_to_search, |
| 108 | // otherwise set *result_variable_ptr to false. |
| 109 | #define SUBMIX_VALUE_IN_SET(value_to_find, array_to_search, result_variable_ptr) \ |
| 110 | { \ |
| 111 | size_t i; \ |
| 112 | *(result_variable_ptr) = false; \ |
| 113 | for (i = 0; i < sizeof(array_to_search) / sizeof((array_to_search)[0]); i++) { \ |
| 114 | if ((value_to_find) == (array_to_search)[i]) { \ |
| 115 | *(result_variable_ptr) = true; \ |
| 116 | break; \ |
| 117 | } \ |
| 118 | } \ |
| 119 | } |
| 120 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 121 | // Configuration of the submix pipe. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 122 | struct submix_config { |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 123 | // Channel mask field in this data structure is set to either input_channel_mask or |
| 124 | // output_channel_mask depending upon the last stream to be opened on this device. |
| 125 | struct audio_config common; |
| 126 | // Input stream and output stream channel masks. This is required since input and output |
| 127 | // channel bitfields are not equivalent. |
| 128 | audio_channel_mask_t input_channel_mask; |
| 129 | audio_channel_mask_t output_channel_mask; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 130 | #if ENABLE_RESAMPLING |
| 131 | // Input stream and output stream sample rates. |
| 132 | uint32_t input_sample_rate; |
| 133 | uint32_t output_sample_rate; |
| 134 | #endif // ENABLE_RESAMPLING |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 135 | size_t pipe_frame_size; // Number of bytes in each audio frame in the pipe. |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 136 | size_t buffer_size_frames; // Size of the audio pipe in frames. |
| 137 | // Maximum number of frames buffered by the input and output streams. |
| 138 | size_t buffer_period_size_frames; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
| 141 | struct submix_audio_device { |
| 142 | struct audio_hw_device device; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 143 | bool input_standby; |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 144 | bool output_standby; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 145 | submix_config config; |
| 146 | // Pipe variables: they handle the ring buffer that "pipes" audio: |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 147 | // - from the submix virtual audio output == what needs to be played |
| 148 | // remotely, seen as an output for AudioFlinger |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 149 | // - to the virtual audio source == what is captured by the component |
| 150 | // which "records" the submix / virtual audio source, and handles it as needed. |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 151 | // A usecase example is one where the component capturing the audio is then sending it over |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 152 | // Wifi for presentation on a remote Wifi Display device (e.g. a dongle attached to a TV, or a |
| 153 | // TV with Wifi Display capabilities), or to a wireless audio player. |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 154 | sp<MonoPipe> rsxSink; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 155 | sp<MonoPipeReader> rsxSource; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 156 | #if ENABLE_RESAMPLING |
| 157 | // Buffer used as temporary storage for resampled data prior to returning data to the output |
| 158 | // stream. |
| 159 | int16_t resampler_buffer[DEFAULT_PIPE_SIZE_IN_FRAMES]; |
| 160 | #endif // ENABLE_RESAMPLING |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 161 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 162 | // Pointers to the current input and output stream instances. rsxSink and rsxSource are |
| 163 | // destroyed if both and input and output streams are destroyed. |
| 164 | struct submix_stream_out *output; |
| 165 | struct submix_stream_in *input; |
| 166 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 167 | // Device lock, also used to protect access to submix_audio_device from the input and output |
| 168 | // streams. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 169 | pthread_mutex_t lock; |
| 170 | }; |
| 171 | |
| 172 | struct submix_stream_out { |
| 173 | struct audio_stream_out stream; |
| 174 | struct submix_audio_device *dev; |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 175 | #if LOG_STREAMS_TO_FILES |
| 176 | int log_fd; |
| 177 | #endif // LOG_STREAMS_TO_FILES |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 178 | }; |
| 179 | |
| 180 | struct submix_stream_in { |
| 181 | struct audio_stream_in stream; |
| 182 | struct submix_audio_device *dev; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 183 | bool output_standby; // output standby state as seen from record thread |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 184 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 185 | // wall clock when recording starts |
| 186 | struct timespec record_start_time; |
| 187 | // how many frames have been requested to be read |
| 188 | int64_t read_counter_frames; |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 189 | |
| 190 | #if ENABLE_LEGACY_INPUT_OPEN |
| 191 | // Number of references to this input stream. |
| 192 | volatile int32_t ref_count; |
| 193 | #endif // ENABLE_LEGACY_INPUT_OPEN |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 194 | #if LOG_STREAMS_TO_FILES |
| 195 | int log_fd; |
| 196 | #endif // LOG_STREAMS_TO_FILES |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 197 | }; |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 198 | |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 199 | // Determine whether the specified sample rate is supported by the submix module. |
| 200 | static bool sample_rate_supported(const uint32_t sample_rate) |
| 201 | { |
| 202 | // Set of sample rates supported by Format_from_SR_C() frameworks/av/media/libnbaio/NAIO.cpp. |
| 203 | static const unsigned int supported_sample_rates[] = { |
| 204 | 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, |
| 205 | }; |
| 206 | bool return_value; |
| 207 | SUBMIX_VALUE_IN_SET(sample_rate, supported_sample_rates, &return_value); |
| 208 | return return_value; |
| 209 | } |
| 210 | |
| 211 | // Determine whether the specified sample rate is supported, if it is return the specified sample |
| 212 | // rate, otherwise return the default sample rate for the submix module. |
| 213 | static uint32_t get_supported_sample_rate(uint32_t sample_rate) |
| 214 | { |
| 215 | return sample_rate_supported(sample_rate) ? sample_rate : DEFAULT_SAMPLE_RATE_HZ; |
| 216 | } |
| 217 | |
| 218 | // Determine whether the specified channel in mask is supported by the submix module. |
| 219 | static bool channel_in_mask_supported(const audio_channel_mask_t channel_in_mask) |
| 220 | { |
| 221 | // Set of channel in masks supported by Format_from_SR_C() |
| 222 | // frameworks/av/media/libnbaio/NAIO.cpp. |
| 223 | static const audio_channel_mask_t supported_channel_in_masks[] = { |
| 224 | AUDIO_CHANNEL_IN_MONO, AUDIO_CHANNEL_IN_STEREO, |
| 225 | }; |
| 226 | bool return_value; |
| 227 | SUBMIX_VALUE_IN_SET(channel_in_mask, supported_channel_in_masks, &return_value); |
| 228 | return return_value; |
| 229 | } |
| 230 | |
| 231 | // Determine whether the specified channel in mask is supported, if it is return the specified |
| 232 | // channel in mask, otherwise return the default channel in mask for the submix module. |
| 233 | static audio_channel_mask_t get_supported_channel_in_mask( |
| 234 | const audio_channel_mask_t channel_in_mask) |
| 235 | { |
| 236 | return channel_in_mask_supported(channel_in_mask) ? channel_in_mask : |
| 237 | static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_IN_STEREO); |
| 238 | } |
| 239 | |
| 240 | // Determine whether the specified channel out mask is supported by the submix module. |
| 241 | static bool channel_out_mask_supported(const audio_channel_mask_t channel_out_mask) |
| 242 | { |
| 243 | // Set of channel out masks supported by Format_from_SR_C() |
| 244 | // frameworks/av/media/libnbaio/NAIO.cpp. |
| 245 | static const audio_channel_mask_t supported_channel_out_masks[] = { |
| 246 | AUDIO_CHANNEL_OUT_MONO, AUDIO_CHANNEL_OUT_STEREO, |
| 247 | }; |
| 248 | bool return_value; |
| 249 | SUBMIX_VALUE_IN_SET(channel_out_mask, supported_channel_out_masks, &return_value); |
| 250 | return return_value; |
| 251 | } |
| 252 | |
| 253 | // Determine whether the specified channel out mask is supported, if it is return the specified |
| 254 | // channel out mask, otherwise return the default channel out mask for the submix module. |
| 255 | static audio_channel_mask_t get_supported_channel_out_mask( |
| 256 | const audio_channel_mask_t channel_out_mask) |
| 257 | { |
| 258 | return channel_out_mask_supported(channel_out_mask) ? channel_out_mask : |
| 259 | static_cast<audio_channel_mask_t>(AUDIO_CHANNEL_OUT_STEREO); |
| 260 | } |
| 261 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 262 | // Get a pointer to submix_stream_out given an audio_stream_out that is embedded within the |
| 263 | // structure. |
| 264 | static struct submix_stream_out * audio_stream_out_get_submix_stream_out( |
| 265 | struct audio_stream_out * const stream) |
| 266 | { |
| 267 | ALOG_ASSERT(stream); |
| 268 | return reinterpret_cast<struct submix_stream_out *>(reinterpret_cast<uint8_t *>(stream) - |
| 269 | offsetof(struct submix_stream_out, stream)); |
| 270 | } |
| 271 | |
| 272 | // Get a pointer to submix_stream_out given an audio_stream that is embedded within the structure. |
| 273 | static struct submix_stream_out * audio_stream_get_submix_stream_out( |
| 274 | struct audio_stream * const stream) |
| 275 | { |
| 276 | ALOG_ASSERT(stream); |
| 277 | return audio_stream_out_get_submix_stream_out( |
| 278 | reinterpret_cast<struct audio_stream_out *>(stream)); |
| 279 | } |
| 280 | |
| 281 | // Get a pointer to submix_stream_in given an audio_stream_in that is embedded within the |
| 282 | // structure. |
| 283 | static struct submix_stream_in * audio_stream_in_get_submix_stream_in( |
| 284 | struct audio_stream_in * const stream) |
| 285 | { |
| 286 | ALOG_ASSERT(stream); |
| 287 | return reinterpret_cast<struct submix_stream_in *>(reinterpret_cast<uint8_t *>(stream) - |
| 288 | offsetof(struct submix_stream_in, stream)); |
| 289 | } |
| 290 | |
| 291 | // Get a pointer to submix_stream_in given an audio_stream that is embedded within the structure. |
| 292 | static struct submix_stream_in * audio_stream_get_submix_stream_in( |
| 293 | struct audio_stream * const stream) |
| 294 | { |
| 295 | ALOG_ASSERT(stream); |
| 296 | return audio_stream_in_get_submix_stream_in( |
| 297 | reinterpret_cast<struct audio_stream_in *>(stream)); |
| 298 | } |
| 299 | |
| 300 | // Get a pointer to submix_audio_device given a pointer to an audio_device that is embedded within |
| 301 | // the structure. |
| 302 | static struct submix_audio_device * audio_hw_device_get_submix_audio_device( |
| 303 | struct audio_hw_device *device) |
| 304 | { |
| 305 | ALOG_ASSERT(device); |
| 306 | return reinterpret_cast<struct submix_audio_device *>(reinterpret_cast<uint8_t *>(device) - |
| 307 | offsetof(struct submix_audio_device, device)); |
| 308 | } |
| 309 | |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 310 | // Compare an audio_config with input channel mask and an audio_config with output channel mask |
| 311 | // returning false if they do *not* match, true otherwise. |
| 312 | static bool audio_config_compare(const audio_config * const input_config, |
| 313 | const audio_config * const output_config) |
| 314 | { |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 315 | #if !ENABLE_CHANNEL_CONVERSION |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 316 | const uint32_t input_channels = audio_channel_count_from_in_mask(input_config->channel_mask); |
| 317 | const uint32_t output_channels = audio_channel_count_from_out_mask(output_config->channel_mask); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 318 | if (input_channels != output_channels) { |
| 319 | ALOGE("audio_config_compare() channel count mismatch input=%d vs. output=%d", |
| 320 | input_channels, output_channels); |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 321 | return false; |
| 322 | } |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 323 | #endif // !ENABLE_CHANNEL_CONVERSION |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 324 | #if ENABLE_RESAMPLING |
| 325 | if (input_config->sample_rate != output_config->sample_rate && |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 326 | audio_channel_count_from_in_mask(input_config->channel_mask) != 1) { |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 327 | #else |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 328 | if (input_config->sample_rate != output_config->sample_rate) { |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 329 | #endif // ENABLE_RESAMPLING |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 330 | ALOGE("audio_config_compare() sample rate mismatch %ul vs. %ul", |
| 331 | input_config->sample_rate, output_config->sample_rate); |
| 332 | return false; |
| 333 | } |
| 334 | if (input_config->format != output_config->format) { |
| 335 | ALOGE("audio_config_compare() format mismatch %x vs. %x", |
| 336 | input_config->format, output_config->format); |
| 337 | return false; |
| 338 | } |
| 339 | // This purposely ignores offload_info as it's not required for the submix device. |
| 340 | return true; |
| 341 | } |
| 342 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 343 | // If one doesn't exist, create a pipe for the submix audio device rsxadev of size |
| 344 | // buffer_size_frames and optionally associate "in" or "out" with the submix audio device. |
| 345 | static void submix_audio_device_create_pipe(struct submix_audio_device * const rsxadev, |
| 346 | const struct audio_config * const config, |
| 347 | const size_t buffer_size_frames, |
| 348 | const uint32_t buffer_period_count, |
| 349 | struct submix_stream_in * const in, |
| 350 | struct submix_stream_out * const out) |
| 351 | { |
| 352 | ALOG_ASSERT(in || out); |
| 353 | ALOGV("submix_audio_device_create_pipe()"); |
| 354 | pthread_mutex_lock(&rsxadev->lock); |
| 355 | // Save a reference to the specified input or output stream and the associated channel |
| 356 | // mask. |
| 357 | if (in) { |
| 358 | rsxadev->input = in; |
| 359 | rsxadev->config.input_channel_mask = config->channel_mask; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 360 | #if ENABLE_RESAMPLING |
| 361 | rsxadev->config.input_sample_rate = config->sample_rate; |
| 362 | // If the output isn't configured yet, set the output sample rate to the maximum supported |
| 363 | // sample rate such that the smallest possible input buffer is created. |
| 364 | if (!rsxadev->output) { |
| 365 | rsxadev->config.output_sample_rate = 48000; |
| 366 | } |
| 367 | #endif // ENABLE_RESAMPLING |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 368 | } |
| 369 | if (out) { |
| 370 | rsxadev->output = out; |
| 371 | rsxadev->config.output_channel_mask = config->channel_mask; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 372 | #if ENABLE_RESAMPLING |
| 373 | rsxadev->config.output_sample_rate = config->sample_rate; |
| 374 | #endif // ENABLE_RESAMPLING |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 375 | } |
| 376 | // If a pipe isn't associated with the device, create one. |
| 377 | if (rsxadev->rsxSink == NULL || rsxadev->rsxSource == NULL) { |
| 378 | struct submix_config * const device_config = &rsxadev->config; |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 379 | uint32_t channel_count; |
| 380 | if (out) |
| 381 | channel_count = audio_channel_count_from_out_mask(config->channel_mask); |
| 382 | else |
| 383 | channel_count = audio_channel_count_from_in_mask(config->channel_mask); |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 384 | #if ENABLE_CHANNEL_CONVERSION |
| 385 | // If channel conversion is enabled, allocate enough space for the maximum number of |
| 386 | // possible channels stored in the pipe for the situation when the number of channels in |
| 387 | // the output stream don't match the number in the input stream. |
| 388 | const uint32_t pipe_channel_count = max(channel_count, 2); |
| 389 | #else |
| 390 | const uint32_t pipe_channel_count = channel_count; |
| 391 | #endif // ENABLE_CHANNEL_CONVERSION |
| 392 | const NBAIO_Format format = Format_from_SR_C(config->sample_rate, pipe_channel_count, |
| 393 | config->format); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 394 | const NBAIO_Format offers[1] = {format}; |
| 395 | size_t numCounterOffers = 0; |
| 396 | // Create a MonoPipe with optional blocking set to true. |
| 397 | MonoPipe* sink = new MonoPipe(buffer_size_frames, format, true /*writeCanBlock*/); |
| 398 | // Negotiation between the source and sink cannot fail as the device open operation |
| 399 | // creates both ends of the pipe using the same audio format. |
| 400 | ssize_t index = sink->negotiate(offers, 1, NULL, numCounterOffers); |
| 401 | ALOG_ASSERT(index == 0); |
| 402 | MonoPipeReader* source = new MonoPipeReader(sink); |
| 403 | numCounterOffers = 0; |
| 404 | index = source->negotiate(offers, 1, NULL, numCounterOffers); |
| 405 | ALOG_ASSERT(index == 0); |
| 406 | ALOGV("submix_audio_device_create_pipe(): created pipe"); |
| 407 | |
| 408 | // Save references to the source and sink. |
| 409 | ALOG_ASSERT(rsxadev->rsxSink == NULL); |
| 410 | ALOG_ASSERT(rsxadev->rsxSource == NULL); |
| 411 | rsxadev->rsxSink = sink; |
| 412 | rsxadev->rsxSource = source; |
| 413 | // Store the sanitized audio format in the device so that it's possible to determine |
| 414 | // the format of the pipe source when opening the input device. |
| 415 | memcpy(&device_config->common, config, sizeof(device_config->common)); |
| 416 | device_config->buffer_size_frames = sink->maxFrames(); |
| 417 | device_config->buffer_period_size_frames = device_config->buffer_size_frames / |
| 418 | buffer_period_count; |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 419 | if (in) device_config->pipe_frame_size = audio_stream_in_frame_size(&in->stream); |
| 420 | if (out) device_config->pipe_frame_size = audio_stream_out_frame_size(&out->stream); |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 421 | #if ENABLE_CHANNEL_CONVERSION |
| 422 | // Calculate the pipe frame size based upon the number of channels. |
| 423 | device_config->pipe_frame_size = (device_config->pipe_frame_size * pipe_channel_count) / |
| 424 | channel_count; |
| 425 | #endif // ENABLE_CHANNEL_CONVERSION |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 426 | SUBMIX_ALOGV("submix_audio_device_create_pipe(): pipe frame size %zd, pipe size %zd, " |
| 427 | "period size %zd", device_config->pipe_frame_size, |
| 428 | device_config->buffer_size_frames, device_config->buffer_period_size_frames); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 429 | } |
| 430 | pthread_mutex_unlock(&rsxadev->lock); |
| 431 | } |
| 432 | |
| 433 | // Release references to the sink and source. Input and output threads may maintain references |
| 434 | // to these objects via StrongPointer (sp<MonoPipe> and sp<MonoPipeReader>) which they can use |
| 435 | // before they shutdown. |
| 436 | static void submix_audio_device_release_pipe(struct submix_audio_device * const rsxadev) |
| 437 | { |
| 438 | ALOGV("submix_audio_device_release_pipe()"); |
| 439 | rsxadev->rsxSink.clear(); |
| 440 | rsxadev->rsxSource.clear(); |
| 441 | } |
| 442 | |
| 443 | // Remove references to the specified input and output streams. When the device no longer |
| 444 | // references input and output streams destroy the associated pipe. |
| 445 | static void submix_audio_device_destroy_pipe(struct submix_audio_device * const rsxadev, |
| 446 | const struct submix_stream_in * const in, |
| 447 | const struct submix_stream_out * const out) |
| 448 | { |
| 449 | MonoPipe* sink; |
| 450 | pthread_mutex_lock(&rsxadev->lock); |
| 451 | ALOGV("submix_audio_device_destroy_pipe()"); |
| 452 | ALOG_ASSERT(in == NULL || rsxadev->input == in); |
| 453 | ALOG_ASSERT(out == NULL || rsxadev->output == out); |
| 454 | if (in != NULL) { |
| 455 | #if ENABLE_LEGACY_INPUT_OPEN |
| 456 | const_cast<struct submix_stream_in*>(in)->ref_count--; |
| 457 | if (in->ref_count == 0) { |
| 458 | rsxadev->input = NULL; |
| 459 | } |
| 460 | ALOGV("submix_audio_device_destroy_pipe(): input ref_count %d", in->ref_count); |
| 461 | #else |
| 462 | rsxadev->input = NULL; |
| 463 | #endif // ENABLE_LEGACY_INPUT_OPEN |
| 464 | } |
| 465 | if (out != NULL) rsxadev->output = NULL; |
| 466 | if (rsxadev->input != NULL && rsxadev->output != NULL) { |
| 467 | submix_audio_device_release_pipe(rsxadev); |
| 468 | ALOGV("submix_audio_device_destroy_pipe(): pipe destroyed"); |
| 469 | } |
| 470 | pthread_mutex_unlock(&rsxadev->lock); |
| 471 | } |
| 472 | |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 473 | // Sanitize the user specified audio config for a submix input / output stream. |
| 474 | static void submix_sanitize_config(struct audio_config * const config, const bool is_input_format) |
| 475 | { |
| 476 | config->channel_mask = is_input_format ? get_supported_channel_in_mask(config->channel_mask) : |
| 477 | get_supported_channel_out_mask(config->channel_mask); |
| 478 | config->sample_rate = get_supported_sample_rate(config->sample_rate); |
| 479 | config->format = DEFAULT_FORMAT; |
| 480 | } |
| 481 | |
| 482 | // Verify a submix input or output stream can be opened. |
| 483 | static bool submix_open_validate(const struct submix_audio_device * const rsxadev, |
| 484 | pthread_mutex_t * const lock, |
| 485 | const struct audio_config * const config, |
| 486 | const bool opening_input) |
| 487 | { |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 488 | bool input_open; |
| 489 | bool output_open; |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 490 | audio_config pipe_config; |
| 491 | |
| 492 | // Query the device for the current audio config and whether input and output streams are open. |
| 493 | pthread_mutex_lock(lock); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 494 | output_open = rsxadev->output != NULL; |
| 495 | input_open = rsxadev->input != NULL; |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 496 | memcpy(&pipe_config, &rsxadev->config.common, sizeof(pipe_config)); |
| 497 | pthread_mutex_unlock(lock); |
| 498 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 499 | // If the stream is already open, don't open it again. |
| 500 | if (opening_input ? !ENABLE_LEGACY_INPUT_OPEN && input_open : output_open) { |
| 501 | ALOGE("submix_open_validate(): %s stream already open.", opening_input ? "Input" : |
| 502 | "Output"); |
| 503 | return false; |
| 504 | } |
| 505 | |
| 506 | SUBMIX_ALOGV("submix_open_validate(): sample rate=%d format=%x " |
| 507 | "%s_channel_mask=%x", config->sample_rate, config->format, |
| 508 | opening_input ? "in" : "out", config->channel_mask); |
| 509 | |
| 510 | // If either stream is open, verify the existing audio config the pipe matches the user |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 511 | // specified config. |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 512 | if (input_open || output_open) { |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 513 | const audio_config * const input_config = opening_input ? config : &pipe_config; |
| 514 | const audio_config * const output_config = opening_input ? &pipe_config : config; |
| 515 | // Get the channel mask of the open device. |
| 516 | pipe_config.channel_mask = |
| 517 | opening_input ? rsxadev->config.output_channel_mask : |
| 518 | rsxadev->config.input_channel_mask; |
| 519 | if (!audio_config_compare(input_config, output_config)) { |
| 520 | ALOGE("submix_open_validate(): Unsupported format."); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 521 | return false; |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 522 | } |
| 523 | } |
| 524 | return true; |
| 525 | } |
| 526 | |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 527 | // Calculate the maximum size of the pipe buffer in frames for the specified stream. |
| 528 | static size_t calculate_stream_pipe_size_in_frames(const struct audio_stream *stream, |
| 529 | const struct submix_config *config, |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 530 | const size_t pipe_frames, |
| 531 | const size_t stream_frame_size) |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 532 | { |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 533 | const size_t pipe_frame_size = config->pipe_frame_size; |
| 534 | const size_t max_frame_size = max(stream_frame_size, pipe_frame_size); |
| 535 | return (pipe_frames * config->pipe_frame_size) / max_frame_size; |
| 536 | } |
| 537 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 538 | /* audio HAL functions */ |
| 539 | |
| 540 | static uint32_t out_get_sample_rate(const struct audio_stream *stream) |
| 541 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 542 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 543 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 544 | #if ENABLE_RESAMPLING |
| 545 | const uint32_t out_rate = out->dev->config.output_sample_rate; |
| 546 | #else |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 547 | const uint32_t out_rate = out->dev->config.common.sample_rate; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 548 | #endif // ENABLE_RESAMPLING |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 549 | SUBMIX_ALOGV("out_get_sample_rate() returns %u", out_rate); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 550 | return out_rate; |
| 551 | } |
| 552 | |
| 553 | static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate) |
| 554 | { |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 555 | struct submix_stream_out * const out = audio_stream_get_submix_stream_out(stream); |
| 556 | #if ENABLE_RESAMPLING |
| 557 | // The sample rate of the stream can't be changed once it's set since this would change the |
| 558 | // output buffer size and hence break playback to the shared pipe. |
| 559 | if (rate != out->dev->config.output_sample_rate) { |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 560 | ALOGE("out_set_sample_rate() resampling enabled can't change sample rate from " |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 561 | "%u to %u", out->dev->config.output_sample_rate, rate); |
| 562 | return -ENOSYS; |
| 563 | } |
| 564 | #endif // ENABLE_RESAMPLING |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 565 | if (!sample_rate_supported(rate)) { |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 566 | ALOGE("out_set_sample_rate(rate=%u) rate unsupported", rate); |
| 567 | return -ENOSYS; |
| 568 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 569 | SUBMIX_ALOGV("out_set_sample_rate(rate=%u)", rate); |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 570 | out->dev->config.common.sample_rate = rate; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 571 | return 0; |
| 572 | } |
| 573 | |
| 574 | static size_t out_get_buffer_size(const struct audio_stream *stream) |
| 575 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 576 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 577 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 578 | const struct submix_config * const config = &out->dev->config; |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 579 | const size_t stream_frame_size = |
| 580 | audio_stream_out_frame_size((const struct audio_stream_out *)stream); |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 581 | const size_t buffer_size_frames = calculate_stream_pipe_size_in_frames( |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 582 | stream, config, config->buffer_period_size_frames, stream_frame_size); |
| 583 | const size_t buffer_size_bytes = buffer_size_frames * stream_frame_size; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 584 | SUBMIX_ALOGV("out_get_buffer_size() returns %zu bytes, %zu frames", |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 585 | buffer_size_bytes, buffer_size_frames); |
| 586 | return buffer_size_bytes; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 587 | } |
| 588 | |
| 589 | static audio_channel_mask_t out_get_channels(const struct audio_stream *stream) |
| 590 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 591 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 592 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 593 | uint32_t channel_mask = out->dev->config.output_channel_mask; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 594 | SUBMIX_ALOGV("out_get_channels() returns %08x", channel_mask); |
| 595 | return channel_mask; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 596 | } |
| 597 | |
| 598 | static audio_format_t out_get_format(const struct audio_stream *stream) |
| 599 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 600 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 601 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 602 | const audio_format_t format = out->dev->config.common.format; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 603 | SUBMIX_ALOGV("out_get_format() returns %x", format); |
| 604 | return format; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 605 | } |
| 606 | |
| 607 | static int out_set_format(struct audio_stream *stream, audio_format_t format) |
| 608 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 609 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(stream); |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 610 | if (format != out->dev->config.common.format) { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 611 | ALOGE("out_set_format(format=%x) format unsupported", format); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 612 | return -ENOSYS; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 613 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 614 | SUBMIX_ALOGV("out_set_format(format=%x)", format); |
| 615 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | static int out_standby(struct audio_stream *stream) |
| 619 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 620 | struct submix_audio_device * const rsxadev = audio_stream_get_submix_stream_out(stream)->dev; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 621 | ALOGI("out_standby()"); |
| 622 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 623 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 624 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 625 | rsxadev->output_standby = true; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 626 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 627 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 628 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 629 | return 0; |
| 630 | } |
| 631 | |
| 632 | static int out_dump(const struct audio_stream *stream, int fd) |
| 633 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 634 | (void)stream; |
| 635 | (void)fd; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 636 | return 0; |
| 637 | } |
| 638 | |
| 639 | static int out_set_parameters(struct audio_stream *stream, const char *kvpairs) |
| 640 | { |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 641 | int exiting = -1; |
| 642 | AudioParameter parms = AudioParameter(String8(kvpairs)); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 643 | SUBMIX_ALOGV("out_set_parameters() kvpairs='%s'", kvpairs); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 644 | |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 645 | // FIXME this is using hard-coded strings but in the future, this functionality will be |
| 646 | // converted to use audio HAL extensions required to support tunneling |
| 647 | if ((parms.getInt(String8("exiting"), exiting) == NO_ERROR) && (exiting > 0)) { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 648 | struct submix_audio_device * const rsxadev = |
| 649 | audio_stream_get_submix_stream_out(stream)->dev; |
| 650 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 651 | { // using the sink |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 652 | sp<MonoPipe> sink = rsxadev->rsxSink; |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 653 | if (sink == NULL) { |
| 654 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 655 | return 0; |
| 656 | } |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 657 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 658 | ALOGI("out_set_parameters(): shutdown"); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 659 | sink->shutdown(true); |
| 660 | } // done using the sink |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 661 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 662 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 663 | return 0; |
| 664 | } |
| 665 | |
| 666 | static char * out_get_parameters(const struct audio_stream *stream, const char *keys) |
| 667 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 668 | (void)stream; |
| 669 | (void)keys; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 670 | return strdup(""); |
| 671 | } |
| 672 | |
| 673 | static uint32_t out_get_latency(const struct audio_stream_out *stream) |
| 674 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 675 | const struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out( |
| 676 | const_cast<struct audio_stream_out *>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 677 | const struct submix_config * const config = &out->dev->config; |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 678 | const size_t stream_frame_size = |
| 679 | audio_stream_out_frame_size(stream); |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 680 | const size_t buffer_size_frames = calculate_stream_pipe_size_in_frames( |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 681 | &stream->common, config, config->buffer_size_frames, stream_frame_size); |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 682 | const uint32_t sample_rate = out_get_sample_rate(&stream->common); |
| 683 | const uint32_t latency_ms = (buffer_size_frames * 1000) / sample_rate; |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 684 | SUBMIX_ALOGV("out_get_latency() returns %u ms, size in frames %zu, sample rate %u", |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 685 | latency_ms, buffer_size_frames, sample_rate); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 686 | return latency_ms; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | static int out_set_volume(struct audio_stream_out *stream, float left, |
| 690 | float right) |
| 691 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 692 | (void)stream; |
| 693 | (void)left; |
| 694 | (void)right; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 695 | return -ENOSYS; |
| 696 | } |
| 697 | |
| 698 | static ssize_t out_write(struct audio_stream_out *stream, const void* buffer, |
| 699 | size_t bytes) |
| 700 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 701 | SUBMIX_ALOGV("out_write(bytes=%zd)", bytes); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 702 | ssize_t written_frames = 0; |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 703 | const size_t frame_size = audio_stream_out_frame_size(stream); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 704 | struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out(stream); |
| 705 | struct submix_audio_device * const rsxadev = out->dev; |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 706 | const size_t frames = bytes / frame_size; |
| 707 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 708 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 709 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 710 | rsxadev->output_standby = false; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 711 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 712 | sp<MonoPipe> sink = rsxadev->rsxSink; |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 713 | if (sink != NULL) { |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 714 | if (sink->isShutdown()) { |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 715 | sink.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 716 | pthread_mutex_unlock(&rsxadev->lock); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 717 | SUBMIX_ALOGV("out_write(): pipe shutdown, ignoring the write."); |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 718 | // the pipe has already been shutdown, this buffer will be lost but we must |
| 719 | // simulate timing so we don't drain the output faster than realtime |
| 720 | usleep(frames * 1000000 / out_get_sample_rate(&stream->common)); |
| 721 | return bytes; |
| 722 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 723 | } else { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 724 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 725 | ALOGE("out_write without a pipe!"); |
| 726 | ALOG_ASSERT("out_write without a pipe!"); |
| 727 | return 0; |
| 728 | } |
| 729 | |
Stewart Miles | 2d199fe | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 730 | // If the write to the sink would block when no input stream is present, flush enough frames |
| 731 | // from the pipe to make space to write the most recent data. |
| 732 | { |
| 733 | const size_t availableToWrite = sink->availableToWrite(); |
| 734 | sp<MonoPipeReader> source = rsxadev->rsxSource; |
| 735 | if (rsxadev->input == NULL && availableToWrite < frames) { |
| 736 | static uint8_t flush_buffer[64]; |
| 737 | const size_t flushBufferSizeFrames = sizeof(flush_buffer) / frame_size; |
| 738 | size_t frames_to_flush_from_source = frames - availableToWrite; |
| 739 | SUBMIX_ALOGV("out_write(): flushing %d frames from the pipe to avoid blocking", |
| 740 | frames_to_flush_from_source); |
| 741 | while (frames_to_flush_from_source) { |
| 742 | const size_t flush_size = min(frames_to_flush_from_source, flushBufferSizeFrames); |
| 743 | frames_to_flush_from_source -= flush_size; |
| 744 | source->read(flush_buffer, flush_size, AudioBufferProvider::kInvalidPTS); |
| 745 | } |
| 746 | } |
| 747 | } |
| 748 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 749 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 750 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 751 | written_frames = sink->write(buffer, frames); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 752 | |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 753 | #if LOG_STREAMS_TO_FILES |
| 754 | if (out->log_fd >= 0) write(out->log_fd, buffer, written_frames * frame_size); |
| 755 | #endif // LOG_STREAMS_TO_FILES |
| 756 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 757 | if (written_frames < 0) { |
| 758 | if (written_frames == (ssize_t)NEGOTIATE) { |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 759 | ALOGE("out_write() write to pipe returned NEGOTIATE"); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 760 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 761 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 762 | sink.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 763 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 764 | |
| 765 | written_frames = 0; |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 766 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 767 | } else { |
| 768 | // write() returned UNDERRUN or WOULD_BLOCK, retry |
Colin Cross | 5685a08 | 2014-04-18 15:45:42 -0700 | [diff] [blame] | 769 | ALOGE("out_write() write to pipe returned unexpected %zd", written_frames); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 770 | written_frames = sink->write(buffer, frames); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 771 | } |
| 772 | } |
| 773 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 774 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 775 | sink.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 776 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 777 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 778 | if (written_frames < 0) { |
Colin Cross | 5685a08 | 2014-04-18 15:45:42 -0700 | [diff] [blame] | 779 | ALOGE("out_write() failed writing to pipe with %zd", written_frames); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 780 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 781 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 782 | const ssize_t written_bytes = written_frames * frame_size; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 783 | SUBMIX_ALOGV("out_write() wrote %zd bytes %zd frames", written_bytes, written_frames); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 784 | return written_bytes; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 785 | } |
| 786 | |
| 787 | static int out_get_render_position(const struct audio_stream_out *stream, |
| 788 | uint32_t *dsp_frames) |
| 789 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 790 | (void)stream; |
| 791 | (void)dsp_frames; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 792 | return -EINVAL; |
| 793 | } |
| 794 | |
| 795 | static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 796 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 797 | (void)stream; |
| 798 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 799 | return 0; |
| 800 | } |
| 801 | |
| 802 | static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 803 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 804 | (void)stream; |
| 805 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 806 | return 0; |
| 807 | } |
| 808 | |
| 809 | static int out_get_next_write_timestamp(const struct audio_stream_out *stream, |
| 810 | int64_t *timestamp) |
| 811 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 812 | (void)stream; |
| 813 | (void)timestamp; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 814 | return -EINVAL; |
| 815 | } |
| 816 | |
| 817 | /** audio_stream_in implementation **/ |
| 818 | static uint32_t in_get_sample_rate(const struct audio_stream *stream) |
| 819 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 820 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
| 821 | const_cast<struct audio_stream*>(stream)); |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 822 | #if ENABLE_RESAMPLING |
| 823 | const uint32_t rate = in->dev->config.input_sample_rate; |
| 824 | #else |
| 825 | const uint32_t rate = in->dev->config.common.sample_rate; |
| 826 | #endif // ENABLE_RESAMPLING |
| 827 | SUBMIX_ALOGV("in_get_sample_rate() returns %u", rate); |
| 828 | return rate; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate) |
| 832 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 833 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(stream); |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 834 | #if ENABLE_RESAMPLING |
| 835 | // The sample rate of the stream can't be changed once it's set since this would change the |
| 836 | // input buffer size and hence break recording from the shared pipe. |
| 837 | if (rate != in->dev->config.input_sample_rate) { |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 838 | ALOGE("in_set_sample_rate() resampling enabled can't change sample rate from " |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 839 | "%u to %u", in->dev->config.input_sample_rate, rate); |
| 840 | return -ENOSYS; |
| 841 | } |
| 842 | #endif // ENABLE_RESAMPLING |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 843 | if (!sample_rate_supported(rate)) { |
| 844 | ALOGE("in_set_sample_rate(rate=%u) rate unsupported", rate); |
| 845 | return -ENOSYS; |
| 846 | } |
| 847 | in->dev->config.common.sample_rate = rate; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 848 | SUBMIX_ALOGV("in_set_sample_rate() set %u", rate); |
| 849 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | static size_t in_get_buffer_size(const struct audio_stream *stream) |
| 853 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 854 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
| 855 | const_cast<struct audio_stream*>(stream)); |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 856 | const struct submix_config * const config = &in->dev->config; |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 857 | const size_t stream_frame_size = |
| 858 | audio_stream_in_frame_size((const struct audio_stream_in *)stream); |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 859 | size_t buffer_size_frames = calculate_stream_pipe_size_in_frames( |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 860 | stream, config, config->buffer_period_size_frames, stream_frame_size); |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 861 | #if ENABLE_RESAMPLING |
| 862 | // Scale the size of the buffer based upon the maximum number of frames that could be returned |
| 863 | // given the ratio of output to input sample rate. |
| 864 | buffer_size_frames = (size_t)(((float)buffer_size_frames * |
| 865 | (float)config->input_sample_rate) / |
| 866 | (float)config->output_sample_rate); |
| 867 | #endif // ENABLE_RESAMPLING |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 868 | const size_t buffer_size_bytes = buffer_size_frames * stream_frame_size; |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 869 | SUBMIX_ALOGV("in_get_buffer_size() returns %zu bytes, %zu frames", buffer_size_bytes, |
| 870 | buffer_size_frames); |
| 871 | return buffer_size_bytes; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 872 | } |
| 873 | |
| 874 | static audio_channel_mask_t in_get_channels(const struct audio_stream *stream) |
| 875 | { |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 876 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
| 877 | const_cast<struct audio_stream*>(stream)); |
| 878 | const audio_channel_mask_t channel_mask = in->dev->config.input_channel_mask; |
| 879 | SUBMIX_ALOGV("in_get_channels() returns %x", channel_mask); |
| 880 | return channel_mask; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 881 | } |
| 882 | |
| 883 | static audio_format_t in_get_format(const struct audio_stream *stream) |
| 884 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 885 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 886 | const_cast<struct audio_stream*>(stream)); |
| 887 | const audio_format_t format = in->dev->config.common.format; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 888 | SUBMIX_ALOGV("in_get_format() returns %x", format); |
| 889 | return format; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 890 | } |
| 891 | |
| 892 | static int in_set_format(struct audio_stream *stream, audio_format_t format) |
| 893 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 894 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(stream); |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 895 | if (format != in->dev->config.common.format) { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 896 | ALOGE("in_set_format(format=%x) format unsupported", format); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 897 | return -ENOSYS; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 898 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 899 | SUBMIX_ALOGV("in_set_format(format=%x)", format); |
| 900 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 901 | } |
| 902 | |
| 903 | static int in_standby(struct audio_stream *stream) |
| 904 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 905 | struct submix_audio_device * const rsxadev = audio_stream_get_submix_stream_in(stream)->dev; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 906 | ALOGI("in_standby()"); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 907 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 908 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 909 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 910 | rsxadev->input_standby = true; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 911 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 912 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 913 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 914 | return 0; |
| 915 | } |
| 916 | |
| 917 | static int in_dump(const struct audio_stream *stream, int fd) |
| 918 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 919 | (void)stream; |
| 920 | (void)fd; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 921 | return 0; |
| 922 | } |
| 923 | |
| 924 | static int in_set_parameters(struct audio_stream *stream, const char *kvpairs) |
| 925 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 926 | (void)stream; |
| 927 | (void)kvpairs; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 928 | return 0; |
| 929 | } |
| 930 | |
| 931 | static char * in_get_parameters(const struct audio_stream *stream, |
| 932 | const char *keys) |
| 933 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 934 | (void)stream; |
| 935 | (void)keys; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 936 | return strdup(""); |
| 937 | } |
| 938 | |
| 939 | static int in_set_gain(struct audio_stream_in *stream, float gain) |
| 940 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 941 | (void)stream; |
| 942 | (void)gain; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 943 | return 0; |
| 944 | } |
| 945 | |
| 946 | static ssize_t in_read(struct audio_stream_in *stream, void* buffer, |
| 947 | size_t bytes) |
| 948 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 949 | struct submix_stream_in * const in = audio_stream_in_get_submix_stream_in(stream); |
| 950 | struct submix_audio_device * const rsxadev = in->dev; |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 951 | struct audio_config *format; |
Eric Laurent | c5ae6a0 | 2014-07-02 13:45:32 -0700 | [diff] [blame] | 952 | const size_t frame_size = audio_stream_in_frame_size(stream); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 953 | const size_t frames_to_read = bytes / frame_size; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 954 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 955 | SUBMIX_ALOGV("in_read bytes=%zu", bytes); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 956 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 957 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 958 | const bool output_standby_transition = (in->output_standby != in->dev->output_standby); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 959 | in->output_standby = rsxadev->output_standby; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 960 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 961 | if (rsxadev->input_standby || output_standby_transition) { |
| 962 | rsxadev->input_standby = false; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 963 | // keep track of when we exit input standby (== first read == start "real recording") |
| 964 | // or when we start recording silence, and reset projected time |
| 965 | int rc = clock_gettime(CLOCK_MONOTONIC, &in->record_start_time); |
| 966 | if (rc == 0) { |
| 967 | in->read_counter_frames = 0; |
| 968 | } |
| 969 | } |
| 970 | |
| 971 | in->read_counter_frames += frames_to_read; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 972 | size_t remaining_frames = frames_to_read; |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 973 | |
| 974 | { |
| 975 | // about to read from audio source |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 976 | sp<MonoPipeReader> source = rsxadev->rsxSource; |
| 977 | if (source == NULL) { |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 978 | ALOGE("no audio pipe yet we're trying to read!"); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 979 | pthread_mutex_unlock(&rsxadev->lock); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 980 | usleep(frames_to_read * 1000000 / in_get_sample_rate(&stream->common)); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 981 | memset(buffer, 0, bytes); |
| 982 | return bytes; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 983 | } |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 984 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 985 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 986 | |
| 987 | // read the data from the pipe (it's non blocking) |
| 988 | int attempts = 0; |
| 989 | char* buff = (char*)buffer; |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 990 | #if ENABLE_CHANNEL_CONVERSION |
| 991 | // Determine whether channel conversion is required. |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 992 | const uint32_t input_channels = audio_channel_count_from_in_mask( |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 993 | rsxadev->config.input_channel_mask); |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 994 | const uint32_t output_channels = audio_channel_count_from_out_mask( |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 995 | rsxadev->config.output_channel_mask); |
| 996 | if (input_channels != output_channels) { |
| 997 | SUBMIX_ALOGV("in_read(): %d output channels will be converted to %d " |
| 998 | "input channels", output_channels, input_channels); |
| 999 | // Only support 16-bit PCM channel conversion from mono to stereo or stereo to mono. |
| 1000 | ALOG_ASSERT(rsxadev->config.common.format == AUDIO_FORMAT_PCM_16_BIT); |
| 1001 | ALOG_ASSERT((input_channels == 1 && output_channels == 2) || |
| 1002 | (input_channels == 2 && output_channels == 1)); |
| 1003 | } |
| 1004 | #endif // ENABLE_CHANNEL_CONVERSION |
| 1005 | |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1006 | #if ENABLE_RESAMPLING |
| 1007 | const uint32_t input_sample_rate = in_get_sample_rate(&stream->common); |
| 1008 | const uint32_t output_sample_rate = rsxadev->config.output_sample_rate; |
| 1009 | const size_t resampler_buffer_size_frames = |
| 1010 | sizeof(rsxadev->resampler_buffer) / sizeof(rsxadev->resampler_buffer[0]); |
| 1011 | float resampler_ratio = 1.0f; |
| 1012 | // Determine whether resampling is required. |
| 1013 | if (input_sample_rate != output_sample_rate) { |
| 1014 | resampler_ratio = (float)output_sample_rate / (float)input_sample_rate; |
| 1015 | // Only support 16-bit PCM mono resampling. |
| 1016 | // NOTE: Resampling is performed after the channel conversion step. |
| 1017 | ALOG_ASSERT(rsxadev->config.common.format == AUDIO_FORMAT_PCM_16_BIT); |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 1018 | ALOG_ASSERT(audio_channel_count_from_in_mask(rsxadev->config.input_channel_mask) == 1); |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1019 | } |
| 1020 | #endif // ENABLE_RESAMPLING |
| 1021 | |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 1022 | while ((remaining_frames > 0) && (attempts < MAX_READ_ATTEMPTS)) { |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1023 | ssize_t frames_read = -1977; |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1024 | size_t read_frames = remaining_frames; |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1025 | #if ENABLE_RESAMPLING |
| 1026 | char* const saved_buff = buff; |
| 1027 | if (resampler_ratio != 1.0f) { |
| 1028 | // Calculate the number of frames from the pipe that need to be read to generate |
| 1029 | // the data for the input stream read. |
| 1030 | const size_t frames_required_for_resampler = (size_t)( |
| 1031 | (float)read_frames * (float)resampler_ratio); |
| 1032 | read_frames = min(frames_required_for_resampler, resampler_buffer_size_frames); |
| 1033 | // Read into the resampler buffer. |
| 1034 | buff = (char*)rsxadev->resampler_buffer; |
| 1035 | } |
| 1036 | #endif // ENABLE_RESAMPLING |
Stewart Miles | e54c12c | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1037 | #if ENABLE_CHANNEL_CONVERSION |
| 1038 | if (output_channels == 1 && input_channels == 2) { |
| 1039 | // Need to read half the requested frames since the converted output |
| 1040 | // data will take twice the space (mono->stereo). |
| 1041 | read_frames /= 2; |
| 1042 | } |
| 1043 | #endif // ENABLE_CHANNEL_CONVERSION |
| 1044 | |
| 1045 | SUBMIX_ALOGV("in_read(): frames available to read %zd", source->availableToRead()); |
| 1046 | |
| 1047 | frames_read = source->read(buff, read_frames, AudioBufferProvider::kInvalidPTS); |
| 1048 | |
| 1049 | SUBMIX_ALOGV("in_read(): frames read %zd", frames_read); |
| 1050 | |
| 1051 | #if ENABLE_CHANNEL_CONVERSION |
| 1052 | // Perform in-place channel conversion. |
| 1053 | // NOTE: In the following "input stream" refers to the data returned by this function |
| 1054 | // and "output stream" refers to the data read from the pipe. |
| 1055 | if (input_channels != output_channels && frames_read > 0) { |
| 1056 | int16_t *data = (int16_t*)buff; |
| 1057 | if (output_channels == 2 && input_channels == 1) { |
| 1058 | // Offset into the output stream data in samples. |
| 1059 | ssize_t output_stream_offset = 0; |
| 1060 | for (ssize_t input_stream_frame = 0; input_stream_frame < frames_read; |
| 1061 | input_stream_frame++, output_stream_offset += 2) { |
| 1062 | // Average the content from both channels. |
| 1063 | data[input_stream_frame] = ((int32_t)data[output_stream_offset] + |
| 1064 | (int32_t)data[output_stream_offset + 1]) / 2; |
| 1065 | } |
| 1066 | } else if (output_channels == 1 && input_channels == 2) { |
| 1067 | // Offset into the input stream data in samples. |
| 1068 | ssize_t input_stream_offset = (frames_read - 1) * 2; |
| 1069 | for (ssize_t output_stream_frame = frames_read - 1; output_stream_frame >= 0; |
| 1070 | output_stream_frame--, input_stream_offset -= 2) { |
| 1071 | const short sample = data[output_stream_frame]; |
| 1072 | data[input_stream_offset] = sample; |
| 1073 | data[input_stream_offset + 1] = sample; |
| 1074 | } |
| 1075 | } |
| 1076 | } |
| 1077 | #endif // ENABLE_CHANNEL_CONVERSION |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1078 | |
Stewart Miles | 02c2f71 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1079 | #if ENABLE_RESAMPLING |
| 1080 | if (resampler_ratio != 1.0f) { |
| 1081 | SUBMIX_ALOGV("in_read(): resampling %zd frames", frames_read); |
| 1082 | const int16_t * const data = (int16_t*)buff; |
| 1083 | int16_t * const resampled_buffer = (int16_t*)saved_buff; |
| 1084 | // Resample with *no* filtering - if the data from the ouptut stream was really |
| 1085 | // sampled at a different rate this will result in very nasty aliasing. |
| 1086 | const float output_stream_frames = (float)frames_read; |
| 1087 | size_t input_stream_frame = 0; |
| 1088 | for (float output_stream_frame = 0.0f; |
| 1089 | output_stream_frame < output_stream_frames && |
| 1090 | input_stream_frame < remaining_frames; |
| 1091 | output_stream_frame += resampler_ratio, input_stream_frame++) { |
| 1092 | resampled_buffer[input_stream_frame] = data[(size_t)output_stream_frame]; |
| 1093 | } |
| 1094 | ALOG_ASSERT(input_stream_frame <= (ssize_t)resampler_buffer_size_frames); |
| 1095 | SUBMIX_ALOGV("in_read(): resampler produced %zd frames", input_stream_frame); |
| 1096 | frames_read = input_stream_frame; |
| 1097 | buff = saved_buff; |
| 1098 | } |
| 1099 | #endif // ENABLE_RESAMPLING |
| 1100 | |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 1101 | if (frames_read > 0) { |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1102 | #if LOG_STREAMS_TO_FILES |
| 1103 | if (in->log_fd >= 0) write(in->log_fd, buff, frames_read * frame_size); |
| 1104 | #endif // LOG_STREAMS_TO_FILES |
| 1105 | |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 1106 | remaining_frames -= frames_read; |
| 1107 | buff += frames_read * frame_size; |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1108 | SUBMIX_ALOGV(" in_read (att=%d) got %zd frames, remaining=%zu", |
| 1109 | attempts, frames_read, remaining_frames); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 1110 | } else { |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1111 | attempts++; |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1112 | SUBMIX_ALOGE(" in_read read returned %zd", frames_read); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 1113 | usleep(READ_ATTEMPT_SLEEP_MS * 1000); |
| 1114 | } |
| 1115 | } |
| 1116 | // done using the source |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1117 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 1118 | source.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1119 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1120 | } |
| 1121 | |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 1122 | if (remaining_frames > 0) { |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1123 | const size_t remaining_bytes = remaining_frames * frame_size; |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 1124 | SUBMIX_ALOGV(" clearing remaining_frames = %zu", remaining_frames); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1125 | memset(((char*)buffer)+ bytes - remaining_bytes, 0, remaining_bytes); |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 1126 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1127 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1128 | // compute how much we need to sleep after reading the data by comparing the wall clock with |
| 1129 | // the projected time at which we should return. |
| 1130 | struct timespec time_after_read;// wall clock after reading from the pipe |
| 1131 | struct timespec record_duration;// observed record duration |
| 1132 | int rc = clock_gettime(CLOCK_MONOTONIC, &time_after_read); |
| 1133 | const uint32_t sample_rate = in_get_sample_rate(&stream->common); |
| 1134 | if (rc == 0) { |
| 1135 | // for how long have we been recording? |
| 1136 | record_duration.tv_sec = time_after_read.tv_sec - in->record_start_time.tv_sec; |
| 1137 | record_duration.tv_nsec = time_after_read.tv_nsec - in->record_start_time.tv_nsec; |
| 1138 | if (record_duration.tv_nsec < 0) { |
| 1139 | record_duration.tv_sec--; |
| 1140 | record_duration.tv_nsec += 1000000000; |
| 1141 | } |
| 1142 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1143 | // read_counter_frames contains the number of frames that have been read since the |
| 1144 | // beginning of recording (including this call): it's converted to usec and compared to |
| 1145 | // how long we've been recording for, which gives us how long we must wait to sync the |
| 1146 | // projected recording time, and the observed recording time. |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1147 | long projected_vs_observed_offset_us = |
| 1148 | ((int64_t)(in->read_counter_frames |
| 1149 | - (record_duration.tv_sec*sample_rate))) |
| 1150 | * 1000000 / sample_rate |
| 1151 | - (record_duration.tv_nsec / 1000); |
| 1152 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1153 | SUBMIX_ALOGV(" record duration %5lds %3ldms, will wait: %7ldus", |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1154 | record_duration.tv_sec, record_duration.tv_nsec/1000000, |
| 1155 | projected_vs_observed_offset_us); |
| 1156 | if (projected_vs_observed_offset_us > 0) { |
| 1157 | usleep(projected_vs_observed_offset_us); |
| 1158 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1159 | } |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1160 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1161 | SUBMIX_ALOGV("in_read returns %zu", bytes); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1162 | return bytes; |
| 1163 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1164 | } |
| 1165 | |
| 1166 | static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) |
| 1167 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1168 | (void)stream; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1169 | return 0; |
| 1170 | } |
| 1171 | |
| 1172 | static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 1173 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1174 | (void)stream; |
| 1175 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1176 | return 0; |
| 1177 | } |
| 1178 | |
| 1179 | static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 1180 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1181 | (void)stream; |
| 1182 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1183 | return 0; |
| 1184 | } |
| 1185 | |
| 1186 | static int adev_open_output_stream(struct audio_hw_device *dev, |
| 1187 | audio_io_handle_t handle, |
| 1188 | audio_devices_t devices, |
| 1189 | audio_output_flags_t flags, |
| 1190 | struct audio_config *config, |
Eric Laurent | f5e2469 | 2014-07-27 16:14:57 -0700 | [diff] [blame^] | 1191 | struct audio_stream_out **stream_out, |
| 1192 | const char *address __unused) |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1193 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1194 | struct submix_audio_device * const rsxadev = audio_hw_device_get_submix_audio_device(dev); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1195 | ALOGV("adev_open_output_stream()"); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1196 | struct submix_stream_out *out; |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 1197 | bool force_pipe_creation = false; |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1198 | (void)handle; |
| 1199 | (void)devices; |
| 1200 | (void)flags; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1201 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1202 | *stream_out = NULL; |
| 1203 | |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1204 | // Make sure it's possible to open the device given the current audio config. |
| 1205 | submix_sanitize_config(config, false); |
| 1206 | if (!submix_open_validate(rsxadev, &rsxadev->lock, config, false)) { |
| 1207 | ALOGE("adev_open_output_stream(): Unable to open output stream."); |
| 1208 | return -EINVAL; |
| 1209 | } |
| 1210 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1211 | out = (struct submix_stream_out *)calloc(1, sizeof(struct submix_stream_out)); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1212 | if (!out) return -ENOMEM; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1213 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1214 | // Initialize the function pointer tables (v-tables). |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1215 | out->stream.common.get_sample_rate = out_get_sample_rate; |
| 1216 | out->stream.common.set_sample_rate = out_set_sample_rate; |
| 1217 | out->stream.common.get_buffer_size = out_get_buffer_size; |
| 1218 | out->stream.common.get_channels = out_get_channels; |
| 1219 | out->stream.common.get_format = out_get_format; |
| 1220 | out->stream.common.set_format = out_set_format; |
| 1221 | out->stream.common.standby = out_standby; |
| 1222 | out->stream.common.dump = out_dump; |
| 1223 | out->stream.common.set_parameters = out_set_parameters; |
| 1224 | out->stream.common.get_parameters = out_get_parameters; |
| 1225 | out->stream.common.add_audio_effect = out_add_audio_effect; |
| 1226 | out->stream.common.remove_audio_effect = out_remove_audio_effect; |
| 1227 | out->stream.get_latency = out_get_latency; |
| 1228 | out->stream.set_volume = out_set_volume; |
| 1229 | out->stream.write = out_write; |
| 1230 | out->stream.get_render_position = out_get_render_position; |
| 1231 | out->stream.get_next_write_timestamp = out_get_next_write_timestamp; |
| 1232 | |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 1233 | #if ENABLE_RESAMPLING |
| 1234 | // Recreate the pipe with the correct sample rate so that MonoPipe.write() rate limits |
| 1235 | // writes correctly. |
| 1236 | force_pipe_creation = rsxadev->config.common.sample_rate != config->sample_rate; |
| 1237 | #endif // ENABLE_RESAMPLING |
| 1238 | |
| 1239 | // If the sink has been shutdown or pipe recreation is forced (see above), delete the pipe so |
| 1240 | // that it's recreated. |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1241 | pthread_mutex_lock(&rsxadev->lock); |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 1242 | if ((rsxadev->rsxSink != NULL && rsxadev->rsxSink->isShutdown()) || force_pipe_creation) { |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1243 | submix_audio_device_release_pipe(rsxadev); |
| 1244 | } |
| 1245 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1246 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1247 | // Store a pointer to the device from the output stream. |
| 1248 | out->dev = rsxadev; |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1249 | // Initialize the pipe. |
| 1250 | ALOGV("adev_open_output_stream(): Initializing pipe"); |
| 1251 | submix_audio_device_create_pipe(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES, |
| 1252 | DEFAULT_PIPE_PERIOD_COUNT, NULL, out); |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1253 | #if LOG_STREAMS_TO_FILES |
| 1254 | out->log_fd = open(LOG_STREAM_OUT_FILENAME, O_CREAT | O_TRUNC | O_WRONLY, |
| 1255 | LOG_STREAM_FILE_PERMISSIONS); |
| 1256 | ALOGE_IF(out->log_fd < 0, "adev_open_output_stream(): log file open failed %s", |
| 1257 | strerror(errno)); |
| 1258 | ALOGV("adev_open_output_stream(): log_fd = %d", out->log_fd); |
| 1259 | #endif // LOG_STREAMS_TO_FILES |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1260 | // Return the output stream. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1261 | *stream_out = &out->stream; |
| 1262 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1263 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1264 | } |
| 1265 | |
| 1266 | static void adev_close_output_stream(struct audio_hw_device *dev, |
| 1267 | struct audio_stream_out *stream) |
| 1268 | { |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1269 | struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out(stream); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1270 | ALOGV("adev_close_output_stream()"); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1271 | submix_audio_device_destroy_pipe(audio_hw_device_get_submix_audio_device(dev), NULL, out); |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1272 | #if LOG_STREAMS_TO_FILES |
| 1273 | if (out->log_fd >= 0) close(out->log_fd); |
| 1274 | #endif // LOG_STREAMS_TO_FILES |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1275 | free(out); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1276 | } |
| 1277 | |
| 1278 | static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs) |
| 1279 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1280 | (void)dev; |
| 1281 | (void)kvpairs; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1282 | return -ENOSYS; |
| 1283 | } |
| 1284 | |
| 1285 | static char * adev_get_parameters(const struct audio_hw_device *dev, |
| 1286 | const char *keys) |
| 1287 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1288 | (void)dev; |
| 1289 | (void)keys; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1290 | return strdup("");; |
| 1291 | } |
| 1292 | |
| 1293 | static int adev_init_check(const struct audio_hw_device *dev) |
| 1294 | { |
| 1295 | ALOGI("adev_init_check()"); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1296 | (void)dev; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1297 | return 0; |
| 1298 | } |
| 1299 | |
| 1300 | static int adev_set_voice_volume(struct audio_hw_device *dev, float volume) |
| 1301 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1302 | (void)dev; |
| 1303 | (void)volume; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1304 | return -ENOSYS; |
| 1305 | } |
| 1306 | |
| 1307 | static int adev_set_master_volume(struct audio_hw_device *dev, float volume) |
| 1308 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1309 | (void)dev; |
| 1310 | (void)volume; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1311 | return -ENOSYS; |
| 1312 | } |
| 1313 | |
| 1314 | static int adev_get_master_volume(struct audio_hw_device *dev, float *volume) |
| 1315 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1316 | (void)dev; |
| 1317 | (void)volume; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1318 | return -ENOSYS; |
| 1319 | } |
| 1320 | |
| 1321 | static int adev_set_master_mute(struct audio_hw_device *dev, bool muted) |
| 1322 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1323 | (void)dev; |
| 1324 | (void)muted; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1325 | return -ENOSYS; |
| 1326 | } |
| 1327 | |
| 1328 | static int adev_get_master_mute(struct audio_hw_device *dev, bool *muted) |
| 1329 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1330 | (void)dev; |
| 1331 | (void)muted; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1332 | return -ENOSYS; |
| 1333 | } |
| 1334 | |
| 1335 | static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode) |
| 1336 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1337 | (void)dev; |
| 1338 | (void)mode; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1339 | return 0; |
| 1340 | } |
| 1341 | |
| 1342 | static int adev_set_mic_mute(struct audio_hw_device *dev, bool state) |
| 1343 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1344 | (void)dev; |
| 1345 | (void)state; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1346 | return -ENOSYS; |
| 1347 | } |
| 1348 | |
| 1349 | static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state) |
| 1350 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1351 | (void)dev; |
| 1352 | (void)state; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1353 | return -ENOSYS; |
| 1354 | } |
| 1355 | |
| 1356 | static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev, |
| 1357 | const struct audio_config *config) |
| 1358 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1359 | if (audio_is_linear_pcm(config->format)) { |
| 1360 | const size_t buffer_period_size_frames = |
| 1361 | audio_hw_device_get_submix_audio_device(const_cast<struct audio_hw_device*>(dev))-> |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1362 | config.buffer_period_size_frames; |
Eric Laurent | dd45fd3 | 2014-07-01 20:32:28 -0700 | [diff] [blame] | 1363 | const size_t frame_size_in_bytes = audio_channel_count_from_in_mask(config->channel_mask) * |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1364 | audio_bytes_per_sample(config->format); |
| 1365 | const size_t buffer_size = buffer_period_size_frames * frame_size_in_bytes; |
Stewart Miles | 10f1a80 | 2014-06-09 20:54:37 -0700 | [diff] [blame] | 1366 | SUBMIX_ALOGV("adev_get_input_buffer_size() returns %zu bytes, %zu frames", |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1367 | buffer_size, buffer_period_size_frames); |
| 1368 | return buffer_size; |
| 1369 | } |
| 1370 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1371 | } |
| 1372 | |
| 1373 | static int adev_open_input_stream(struct audio_hw_device *dev, |
| 1374 | audio_io_handle_t handle, |
| 1375 | audio_devices_t devices, |
| 1376 | struct audio_config *config, |
Glenn Kasten | 7d973ad | 2014-07-15 11:10:38 -0700 | [diff] [blame] | 1377 | struct audio_stream_in **stream_in, |
Eric Laurent | f5e2469 | 2014-07-27 16:14:57 -0700 | [diff] [blame^] | 1378 | audio_input_flags_t flags __unused, |
| 1379 | const char *address __unused, |
| 1380 | audio_source_t source __unused) |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1381 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1382 | struct submix_audio_device *rsxadev = audio_hw_device_get_submix_audio_device(dev); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1383 | struct submix_stream_in *in; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1384 | ALOGI("adev_open_input_stream()"); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1385 | (void)handle; |
| 1386 | (void)devices; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1387 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1388 | *stream_in = NULL; |
| 1389 | |
Stewart Miles | 7072684 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1390 | // Make sure it's possible to open the device given the current audio config. |
| 1391 | submix_sanitize_config(config, true); |
| 1392 | if (!submix_open_validate(rsxadev, &rsxadev->lock, config, true)) { |
| 1393 | ALOGE("adev_open_input_stream(): Unable to open input stream."); |
| 1394 | return -EINVAL; |
| 1395 | } |
| 1396 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1397 | #if ENABLE_LEGACY_INPUT_OPEN |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1398 | pthread_mutex_lock(&rsxadev->lock); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1399 | in = rsxadev->input; |
| 1400 | if (in) { |
| 1401 | in->ref_count++; |
| 1402 | sp<MonoPipe> sink = rsxadev->rsxSink; |
| 1403 | ALOG_ASSERT(sink != NULL); |
| 1404 | // If the sink has been shutdown, delete the pipe. |
| 1405 | if (sink->isShutdown()) submix_audio_device_release_pipe(rsxadev); |
| 1406 | } |
| 1407 | pthread_mutex_unlock(&rsxadev->lock); |
| 1408 | #else |
| 1409 | in = NULL; |
| 1410 | #endif // ENABLE_LEGACY_INPUT_OPEN |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1411 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1412 | if (!in) { |
| 1413 | in = (struct submix_stream_in *)calloc(1, sizeof(struct submix_stream_in)); |
| 1414 | if (!in) return -ENOMEM; |
| 1415 | in->ref_count = 1; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1416 | |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1417 | // Initialize the function pointer tables (v-tables). |
| 1418 | in->stream.common.get_sample_rate = in_get_sample_rate; |
| 1419 | in->stream.common.set_sample_rate = in_set_sample_rate; |
| 1420 | in->stream.common.get_buffer_size = in_get_buffer_size; |
| 1421 | in->stream.common.get_channels = in_get_channels; |
| 1422 | in->stream.common.get_format = in_get_format; |
| 1423 | in->stream.common.set_format = in_set_format; |
| 1424 | in->stream.common.standby = in_standby; |
| 1425 | in->stream.common.dump = in_dump; |
| 1426 | in->stream.common.set_parameters = in_set_parameters; |
| 1427 | in->stream.common.get_parameters = in_get_parameters; |
| 1428 | in->stream.common.add_audio_effect = in_add_audio_effect; |
| 1429 | in->stream.common.remove_audio_effect = in_remove_audio_effect; |
| 1430 | in->stream.set_gain = in_set_gain; |
| 1431 | in->stream.read = in_read; |
| 1432 | in->stream.get_input_frames_lost = in_get_input_frames_lost; |
| 1433 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1434 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1435 | // Initialize the input stream. |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1436 | in->read_counter_frames = 0; |
| 1437 | in->output_standby = rsxadev->output_standby; |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1438 | in->dev = rsxadev; |
| 1439 | // Initialize the pipe. |
| 1440 | submix_audio_device_create_pipe(rsxadev, config, DEFAULT_PIPE_SIZE_IN_FRAMES, |
| 1441 | DEFAULT_PIPE_PERIOD_COUNT, in, NULL); |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1442 | #if LOG_STREAMS_TO_FILES |
| 1443 | in->log_fd = open(LOG_STREAM_IN_FILENAME, O_CREAT | O_TRUNC | O_WRONLY, |
| 1444 | LOG_STREAM_FILE_PERMISSIONS); |
| 1445 | ALOGE_IF(in->log_fd < 0, "adev_open_input_stream(): log file open failed %s", |
| 1446 | strerror(errno)); |
| 1447 | ALOGV("adev_open_input_stream(): log_fd = %d", in->log_fd); |
| 1448 | #endif // LOG_STREAMS_TO_FILES |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1449 | // Return the input stream. |
| 1450 | *stream_in = &in->stream; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1451 | |
| 1452 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1453 | } |
| 1454 | |
| 1455 | static void adev_close_input_stream(struct audio_hw_device *dev, |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1456 | struct audio_stream_in *stream) |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1457 | { |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1458 | struct submix_stream_in * const in = audio_stream_in_get_submix_stream_in(stream); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1459 | ALOGV("adev_close_input_stream()"); |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1460 | submix_audio_device_destroy_pipe(audio_hw_device_get_submix_audio_device(dev), in, NULL); |
Stewart Miles | 92854f5 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1461 | #if LOG_STREAMS_TO_FILES |
| 1462 | if (in->log_fd >= 0) close(in->log_fd); |
| 1463 | #endif // LOG_STREAMS_TO_FILES |
Stewart Miles | 3dd36f9 | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1464 | #if ENABLE_LEGACY_INPUT_OPEN |
| 1465 | if (in->ref_count == 0) free(in); |
| 1466 | #else |
| 1467 | free(in); |
| 1468 | #endif // ENABLE_LEGACY_INPUT_OPEN |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1469 | } |
| 1470 | |
| 1471 | static int adev_dump(const audio_hw_device_t *device, int fd) |
| 1472 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 1473 | (void)device; |
| 1474 | (void)fd; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1475 | return 0; |
| 1476 | } |
| 1477 | |
| 1478 | static int adev_close(hw_device_t *device) |
| 1479 | { |
| 1480 | ALOGI("adev_close()"); |
| 1481 | free(device); |
| 1482 | return 0; |
| 1483 | } |
| 1484 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1485 | static int adev_open(const hw_module_t* module, const char* name, |
| 1486 | hw_device_t** device) |
| 1487 | { |
| 1488 | ALOGI("adev_open(name=%s)", name); |
| 1489 | struct submix_audio_device *rsxadev; |
| 1490 | |
| 1491 | if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) |
| 1492 | return -EINVAL; |
| 1493 | |
| 1494 | rsxadev = (submix_audio_device*) calloc(1, sizeof(struct submix_audio_device)); |
| 1495 | if (!rsxadev) |
| 1496 | return -ENOMEM; |
| 1497 | |
| 1498 | rsxadev->device.common.tag = HARDWARE_DEVICE_TAG; |
Eric Laurent | 5d85c53 | 2012-09-10 10:36:09 -0700 | [diff] [blame] | 1499 | rsxadev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1500 | rsxadev->device.common.module = (struct hw_module_t *) module; |
| 1501 | rsxadev->device.common.close = adev_close; |
| 1502 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1503 | rsxadev->device.init_check = adev_init_check; |
| 1504 | rsxadev->device.set_voice_volume = adev_set_voice_volume; |
| 1505 | rsxadev->device.set_master_volume = adev_set_master_volume; |
| 1506 | rsxadev->device.get_master_volume = adev_get_master_volume; |
| 1507 | rsxadev->device.set_master_mute = adev_set_master_mute; |
| 1508 | rsxadev->device.get_master_mute = adev_get_master_mute; |
| 1509 | rsxadev->device.set_mode = adev_set_mode; |
| 1510 | rsxadev->device.set_mic_mute = adev_set_mic_mute; |
| 1511 | rsxadev->device.get_mic_mute = adev_get_mic_mute; |
| 1512 | rsxadev->device.set_parameters = adev_set_parameters; |
| 1513 | rsxadev->device.get_parameters = adev_get_parameters; |
| 1514 | rsxadev->device.get_input_buffer_size = adev_get_input_buffer_size; |
| 1515 | rsxadev->device.open_output_stream = adev_open_output_stream; |
| 1516 | rsxadev->device.close_output_stream = adev_close_output_stream; |
| 1517 | rsxadev->device.open_input_stream = adev_open_input_stream; |
| 1518 | rsxadev->device.close_input_stream = adev_close_input_stream; |
| 1519 | rsxadev->device.dump = adev_dump; |
| 1520 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 1521 | rsxadev->input_standby = true; |
| 1522 | rsxadev->output_standby = true; |
| 1523 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 1524 | *device = &rsxadev->device.common; |
| 1525 | |
| 1526 | return 0; |
| 1527 | } |
| 1528 | |
| 1529 | static struct hw_module_methods_t hal_module_methods = { |
| 1530 | /* open */ adev_open, |
| 1531 | }; |
| 1532 | |
| 1533 | struct audio_module HAL_MODULE_INFO_SYM = { |
| 1534 | /* common */ { |
| 1535 | /* tag */ HARDWARE_MODULE_TAG, |
| 1536 | /* module_api_version */ AUDIO_MODULE_API_VERSION_0_1, |
| 1537 | /* hal_api_version */ HARDWARE_HAL_API_VERSION, |
| 1538 | /* id */ AUDIO_HARDWARE_MODULE_ID, |
| 1539 | /* name */ "Wifi Display audio HAL", |
| 1540 | /* author */ "The Android Open Source Project", |
| 1541 | /* methods */ &hal_module_methods, |
| 1542 | /* dso */ NULL, |
| 1543 | /* reserved */ { 0 }, |
| 1544 | }, |
| 1545 | }; |
| 1546 | |
| 1547 | } //namespace android |
| 1548 | |
| 1549 | } //extern "C" |