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> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 26 | |
| 27 | #include <cutils/log.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 28 | #include <cutils/properties.h> |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 29 | #include <cutils/str_parms.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 30 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 31 | #include <hardware/audio.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 32 | #include <hardware/hardware.h> |
| 33 | #include <system/audio.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 34 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 35 | #include <media/AudioParameter.h> |
| 36 | #include <media/AudioBufferProvider.h> |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 37 | #include <media/nbaio/MonoPipe.h> |
| 38 | #include <media/nbaio/MonoPipeReader.h> |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 39 | |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 40 | #include <utils/String8.h> |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 41 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 42 | extern "C" { |
| 43 | |
| 44 | namespace android { |
| 45 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 46 | // Set to 1 to enable extremely verbose logging in this module. |
| 47 | #define SUBMIX_VERBOSE_LOGGING 0 |
| 48 | #if SUBMIX_VERBOSE_LOGGING |
| 49 | #define SUBMIX_ALOGV(...) ALOGV(__VA_ARGS__) |
| 50 | #define SUBMIX_ALOGE(...) ALOGE(__VA_ARGS__) |
| 51 | #else |
| 52 | #define SUBMIX_ALOGV(...) |
| 53 | #define SUBMIX_ALOGE(...) |
| 54 | #endif // SUBMIX_VERBOSE_LOGGING |
| 55 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 56 | // Size of the pipe's buffer in frames. |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 57 | #define MAX_PIPE_DEPTH_IN_FRAMES (1024*8) |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 58 | // Maximum number of frames users of the input and output stream should buffer. |
| 59 | #define PERIOD_SIZE_IN_FRAMES 1024 |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 60 | // The duration of MAX_READ_ATTEMPTS * READ_ATTEMPT_SLEEP_MS must be stricly inferior to |
| 61 | // the duration of a record buffer at the current record sample rate (of the device, not of |
| 62 | // the recording itself). Here we have: |
| 63 | // 3 * 5ms = 15ms < 1024 frames * 1000 / 48000 = 21.333ms |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 64 | #define MAX_READ_ATTEMPTS 3 |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 65 | #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^] | 66 | #define DEFAULT_SAMPLE_RATE_HZ 48000 // default sample rate |
| 67 | // See NBAIO_Format frameworks/av/include/media/nbaio/NBAIO.h. |
| 68 | #define DEFAULT_FORMAT AUDIO_FORMAT_PCM_16_BIT |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 69 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 70 | // Configuration of the submix pipe. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 71 | struct submix_config { |
| 72 | audio_format_t format; |
| 73 | audio_channel_mask_t channel_mask; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 74 | unsigned int sample_rate; // Sample rate for the device in Hz. |
| 75 | size_t period_size; // Size of the audio pipe is period_size * period_count in frames. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 76 | }; |
| 77 | |
| 78 | struct submix_audio_device { |
| 79 | struct audio_hw_device device; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 80 | bool output_standby; |
| 81 | bool input_standby; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 82 | submix_config config; |
| 83 | // Pipe variables: they handle the ring buffer that "pipes" audio: |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 84 | // - from the submix virtual audio output == what needs to be played |
| 85 | // remotely, seen as an output for AudioFlinger |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 86 | // - to the virtual audio source == what is captured by the component |
| 87 | // 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] | 88 | // 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] | 89 | // Wifi for presentation on a remote Wifi Display device (e.g. a dongle attached to a TV, or a |
| 90 | // TV with Wifi Display capabilities), or to a wireless audio player. |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 91 | sp<MonoPipe> rsxSink; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 92 | sp<MonoPipeReader> rsxSource; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 93 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 94 | // Device lock, also used to protect access to submix_audio_device from the input and output |
| 95 | // streams. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 96 | pthread_mutex_t lock; |
| 97 | }; |
| 98 | |
| 99 | struct submix_stream_out { |
| 100 | struct audio_stream_out stream; |
| 101 | struct submix_audio_device *dev; |
| 102 | }; |
| 103 | |
| 104 | struct submix_stream_in { |
| 105 | struct audio_stream_in stream; |
| 106 | struct submix_audio_device *dev; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 107 | bool output_standby; // output standby state as seen from record thread |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 108 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 109 | // wall clock when recording starts |
| 110 | struct timespec record_start_time; |
| 111 | // how many frames have been requested to be read |
| 112 | int64_t read_counter_frames; |
| 113 | }; |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 114 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 115 | // Get a pointer to submix_stream_out given an audio_stream_out that is embedded within the |
| 116 | // structure. |
| 117 | static struct submix_stream_out * audio_stream_out_get_submix_stream_out( |
| 118 | struct audio_stream_out * const stream) |
| 119 | { |
| 120 | ALOG_ASSERT(stream); |
| 121 | return reinterpret_cast<struct submix_stream_out *>(reinterpret_cast<uint8_t *>(stream) - |
| 122 | offsetof(struct submix_stream_out, stream)); |
| 123 | } |
| 124 | |
| 125 | // Get a pointer to submix_stream_out given an audio_stream that is embedded within the structure. |
| 126 | static struct submix_stream_out * audio_stream_get_submix_stream_out( |
| 127 | struct audio_stream * const stream) |
| 128 | { |
| 129 | ALOG_ASSERT(stream); |
| 130 | return audio_stream_out_get_submix_stream_out( |
| 131 | reinterpret_cast<struct audio_stream_out *>(stream)); |
| 132 | } |
| 133 | |
| 134 | // Get a pointer to submix_stream_in given an audio_stream_in that is embedded within the |
| 135 | // structure. |
| 136 | static struct submix_stream_in * audio_stream_in_get_submix_stream_in( |
| 137 | struct audio_stream_in * const stream) |
| 138 | { |
| 139 | ALOG_ASSERT(stream); |
| 140 | return reinterpret_cast<struct submix_stream_in *>(reinterpret_cast<uint8_t *>(stream) - |
| 141 | offsetof(struct submix_stream_in, stream)); |
| 142 | } |
| 143 | |
| 144 | // Get a pointer to submix_stream_in given an audio_stream that is embedded within the structure. |
| 145 | static struct submix_stream_in * audio_stream_get_submix_stream_in( |
| 146 | struct audio_stream * const stream) |
| 147 | { |
| 148 | ALOG_ASSERT(stream); |
| 149 | return audio_stream_in_get_submix_stream_in( |
| 150 | reinterpret_cast<struct audio_stream_in *>(stream)); |
| 151 | } |
| 152 | |
| 153 | // Get a pointer to submix_audio_device given a pointer to an audio_device that is embedded within |
| 154 | // the structure. |
| 155 | static struct submix_audio_device * audio_hw_device_get_submix_audio_device( |
| 156 | struct audio_hw_device *device) |
| 157 | { |
| 158 | ALOG_ASSERT(device); |
| 159 | return reinterpret_cast<struct submix_audio_device *>(reinterpret_cast<uint8_t *>(device) - |
| 160 | offsetof(struct submix_audio_device, device)); |
| 161 | } |
| 162 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 163 | // Get the number of channels referenced by the specified channel_mask. The channel_mask can |
| 164 | // reference either input or output channels. |
| 165 | uint32_t get_channel_count_from_mask(const audio_channel_mask_t channel_mask) { |
| 166 | if (audio_is_input_channel(channel_mask)) { |
| 167 | return popcount(channel_mask & AUDIO_CHANNEL_IN_ALL); |
| 168 | } else if (audio_is_output_channel(channel_mask)) { |
| 169 | return popcount(channel_mask & AUDIO_CHANNEL_OUT_ALL); |
| 170 | } |
| 171 | ALOGE("get_channel_count(): No channels specified in channel mask %x", channel_mask); |
| 172 | return 0; |
| 173 | } |
| 174 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 175 | /* audio HAL functions */ |
| 176 | |
| 177 | static uint32_t out_get_sample_rate(const struct audio_stream *stream) |
| 178 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 179 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 180 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 181 | const uint32_t out_rate = out->dev->config.sample_rate; |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 182 | SUBMIX_ALOGV("out_get_sample_rate() returns %u", out_rate); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 183 | return out_rate; |
| 184 | } |
| 185 | |
| 186 | static int out_set_sample_rate(struct audio_stream *stream, uint32_t rate) |
| 187 | { |
| 188 | if ((rate != 44100) && (rate != 48000)) { |
| 189 | ALOGE("out_set_sample_rate(rate=%u) rate unsupported", rate); |
| 190 | return -ENOSYS; |
| 191 | } |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 192 | struct submix_stream_out * const out = audio_stream_get_submix_stream_out(stream); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 193 | SUBMIX_ALOGV("out_set_sample_rate(rate=%u)", rate); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 194 | out->dev->config.sample_rate = rate; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 195 | return 0; |
| 196 | } |
| 197 | |
| 198 | static size_t out_get_buffer_size(const struct audio_stream *stream) |
| 199 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 200 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 201 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 202 | const struct submix_config * const config = &out->dev->config; |
| 203 | const size_t buffer_size = config->period_size * audio_stream_frame_size(stream); |
| 204 | SUBMIX_ALOGV("out_get_buffer_size() returns %zu bytes, %zu frames", |
| 205 | buffer_size, config->buffer_period_size_frames); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 206 | return buffer_size; |
| 207 | } |
| 208 | |
| 209 | static audio_channel_mask_t out_get_channels(const struct audio_stream *stream) |
| 210 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 211 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 212 | const_cast<struct audio_stream *>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 213 | uint32_t channel_mask = out->dev->config.channel_mask; |
| 214 | SUBMIX_ALOGV("out_get_channels() returns %08x", channel_mask); |
| 215 | return channel_mask; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | static audio_format_t out_get_format(const struct audio_stream *stream) |
| 219 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 220 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out( |
| 221 | const_cast<struct audio_stream *>(stream)); |
| 222 | const audio_format_t format = out->dev->config.format; |
| 223 | SUBMIX_ALOGV("out_get_format() returns %x", format); |
| 224 | return format; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | static int out_set_format(struct audio_stream *stream, audio_format_t format) |
| 228 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 229 | const struct submix_stream_out * const out = audio_stream_get_submix_stream_out(stream); |
| 230 | if (format != out->dev->config.format) { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 231 | ALOGE("out_set_format(format=%x) format unsupported", format); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 232 | return -ENOSYS; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 233 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 234 | SUBMIX_ALOGV("out_set_format(format=%x)", format); |
| 235 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | static int out_standby(struct audio_stream *stream) |
| 239 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 240 | 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] | 241 | ALOGI("out_standby()"); |
| 242 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 243 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 244 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 245 | rsxadev->output_standby = true; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 246 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 247 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 248 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 249 | return 0; |
| 250 | } |
| 251 | |
| 252 | static int out_dump(const struct audio_stream *stream, int fd) |
| 253 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 254 | (void)stream; |
| 255 | (void)fd; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | static int out_set_parameters(struct audio_stream *stream, const char *kvpairs) |
| 260 | { |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 261 | int exiting = -1; |
| 262 | AudioParameter parms = AudioParameter(String8(kvpairs)); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 263 | SUBMIX_ALOGV("out_set_parameters() kvpairs='%s'", kvpairs); |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 264 | // FIXME this is using hard-coded strings but in the future, this functionality will be |
| 265 | // converted to use audio HAL extensions required to support tunneling |
| 266 | if ((parms.getInt(String8("exiting"), exiting) == NO_ERROR) && (exiting > 0)) { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 267 | struct submix_audio_device * const rsxadev = |
| 268 | audio_stream_get_submix_stream_out(stream)->dev; |
| 269 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 270 | { // using the sink |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 271 | sp<MonoPipe> sink = rsxadev->rsxSink.get(); |
| 272 | if (sink == NULL) { |
| 273 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 274 | return 0; |
| 275 | } |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 276 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 277 | ALOGI("out_set_parameters(): shutdown"); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 278 | sink->shutdown(true); |
| 279 | } // done using the sink |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 280 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | d441303 | 2012-09-30 11:08:06 -0700 | [diff] [blame] | 281 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 282 | return 0; |
| 283 | } |
| 284 | |
| 285 | static char * out_get_parameters(const struct audio_stream *stream, const char *keys) |
| 286 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 287 | (void)stream; |
| 288 | (void)keys; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 289 | return strdup(""); |
| 290 | } |
| 291 | |
| 292 | static uint32_t out_get_latency(const struct audio_stream_out *stream) |
| 293 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 294 | const struct submix_stream_out * const out = audio_stream_out_get_submix_stream_out( |
| 295 | const_cast<struct audio_stream_out *>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 296 | const struct submix_config * const config = &out->dev->config; |
| 297 | const uint32_t latency_ms = (MAX_PIPE_DEPTH_IN_FRAMES * 1000) / config->sample_rate; |
| 298 | SUBMIX_ALOGV("out_get_latency() returns %u ms, size in frames %zu, sample rate %u", latency_ms, |
| 299 | config->buffer_size_frames, config->common.sample_rate); |
| 300 | return latency_ms; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | static int out_set_volume(struct audio_stream_out *stream, float left, |
| 304 | float right) |
| 305 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 306 | (void)stream; |
| 307 | (void)left; |
| 308 | (void)right; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 309 | return -ENOSYS; |
| 310 | } |
| 311 | |
| 312 | static ssize_t out_write(struct audio_stream_out *stream, const void* buffer, |
| 313 | size_t bytes) |
| 314 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 315 | SUBMIX_ALOGV("out_write(bytes=%zd)", bytes); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 316 | ssize_t written_frames = 0; |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 317 | const size_t frame_size = audio_stream_frame_size(&stream->common); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 318 | struct submix_audio_device * const rsxadev = |
| 319 | audio_stream_out_get_submix_stream_out(stream)->dev; |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 320 | const size_t frames = bytes / frame_size; |
| 321 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 322 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 323 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 324 | rsxadev->output_standby = false; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 325 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 326 | sp<MonoPipe> sink = rsxadev->rsxSink.get(); |
| 327 | if (sink != NULL) { |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 328 | if (sink->isShutdown()) { |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 329 | sink.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 330 | pthread_mutex_unlock(&rsxadev->lock); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 331 | SUBMIX_ALOGV("out_write(): pipe shutdown, ignoring the write."); |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 332 | // the pipe has already been shutdown, this buffer will be lost but we must |
| 333 | // simulate timing so we don't drain the output faster than realtime |
| 334 | usleep(frames * 1000000 / out_get_sample_rate(&stream->common)); |
| 335 | return bytes; |
| 336 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 337 | } else { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 338 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 339 | ALOGE("out_write without a pipe!"); |
| 340 | ALOG_ASSERT("out_write without a pipe!"); |
| 341 | return 0; |
| 342 | } |
| 343 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 344 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 345 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 346 | written_frames = sink->write(buffer, frames); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 347 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 348 | if (written_frames < 0) { |
| 349 | if (written_frames == (ssize_t)NEGOTIATE) { |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 350 | ALOGE("out_write() write to pipe returned NEGOTIATE"); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 351 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 352 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 353 | sink.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 354 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 355 | |
| 356 | written_frames = 0; |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 357 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 358 | } else { |
| 359 | // write() returned UNDERRUN or WOULD_BLOCK, retry |
Colin Cross | 5685a08 | 2014-04-18 15:45:42 -0700 | [diff] [blame] | 360 | ALOGE("out_write() write to pipe returned unexpected %zd", written_frames); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 361 | written_frames = sink->write(buffer, frames); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 362 | } |
| 363 | } |
| 364 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 365 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 366 | sink.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 367 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 368 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 369 | if (written_frames < 0) { |
Colin Cross | 5685a08 | 2014-04-18 15:45:42 -0700 | [diff] [blame] | 370 | ALOGE("out_write() failed writing to pipe with %zd", written_frames); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 371 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 372 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 373 | const ssize_t written_bytes = written_frames * frame_size; |
| 374 | SUBMIX_ALOGV("out_write() wrote %zd bytes %zd frames)", written_bytes, written_frames); |
| 375 | return written_bytes; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | static int out_get_render_position(const struct audio_stream_out *stream, |
| 379 | uint32_t *dsp_frames) |
| 380 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 381 | (void)stream; |
| 382 | (void)dsp_frames; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 383 | return -EINVAL; |
| 384 | } |
| 385 | |
| 386 | static int out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 387 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 388 | (void)stream; |
| 389 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | static int out_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 394 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 395 | (void)stream; |
| 396 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | static int out_get_next_write_timestamp(const struct audio_stream_out *stream, |
| 401 | int64_t *timestamp) |
| 402 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 403 | (void)stream; |
| 404 | (void)timestamp; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 405 | return -EINVAL; |
| 406 | } |
| 407 | |
| 408 | /** audio_stream_in implementation **/ |
| 409 | static uint32_t in_get_sample_rate(const struct audio_stream *stream) |
| 410 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 411 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
| 412 | const_cast<struct audio_stream*>(stream)); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 413 | SUBMIX_ALOGV("in_get_sample_rate() returns %u", in->dev->config.sample_rate); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 414 | return in->dev->config.sample_rate; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | static int in_set_sample_rate(struct audio_stream *stream, uint32_t rate) |
| 418 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 419 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(stream); |
| 420 | in->dev->config.sample_rate = rate; |
| 421 | SUBMIX_ALOGV("in_set_sample_rate() set %u", rate); |
| 422 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 423 | } |
| 424 | |
| 425 | static size_t in_get_buffer_size(const struct audio_stream *stream) |
| 426 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 427 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
| 428 | const_cast<struct audio_stream*>(stream)); |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 429 | const size_t buffer_size = in->dev->config.period_size * audio_stream_frame_size(stream); |
| 430 | SUBMIX_ALOGV("in_get_buffer_size() returns %zu", buffer_size); |
| 431 | return buffer_size; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | static audio_channel_mask_t in_get_channels(const struct audio_stream *stream) |
| 435 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 436 | (void)stream; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 437 | return AUDIO_CHANNEL_IN_STEREO; |
| 438 | } |
| 439 | |
| 440 | static audio_format_t in_get_format(const struct audio_stream *stream) |
| 441 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 442 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in( |
| 443 | const_cast<struct audio_stream*>(stream)); |
| 444 | const audio_format_t format = in->dev->config.format; |
| 445 | SUBMIX_ALOGV("in_get_format() returns %x", format); |
| 446 | return format; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | static int in_set_format(struct audio_stream *stream, audio_format_t format) |
| 450 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 451 | const struct submix_stream_in * const in = audio_stream_get_submix_stream_in(stream); |
| 452 | if (format != in->dev->config.format) { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 453 | ALOGE("in_set_format(format=%x) format unsupported", format); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 454 | return -ENOSYS; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 455 | } |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 456 | SUBMIX_ALOGV("in_set_format(format=%x)", format); |
| 457 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | static int in_standby(struct audio_stream *stream) |
| 461 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 462 | 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] | 463 | ALOGI("in_standby()"); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 464 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 465 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 466 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 467 | rsxadev->input_standby = true; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 468 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 469 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 470 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 471 | return 0; |
| 472 | } |
| 473 | |
| 474 | static int in_dump(const struct audio_stream *stream, int fd) |
| 475 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 476 | (void)stream; |
| 477 | (void)fd; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 478 | return 0; |
| 479 | } |
| 480 | |
| 481 | static int in_set_parameters(struct audio_stream *stream, const char *kvpairs) |
| 482 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 483 | (void)stream; |
| 484 | (void)kvpairs; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 485 | return 0; |
| 486 | } |
| 487 | |
| 488 | static char * in_get_parameters(const struct audio_stream *stream, |
| 489 | const char *keys) |
| 490 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 491 | (void)stream; |
| 492 | (void)keys; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 493 | return strdup(""); |
| 494 | } |
| 495 | |
| 496 | static int in_set_gain(struct audio_stream_in *stream, float gain) |
| 497 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 498 | (void)stream; |
| 499 | (void)gain; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | static ssize_t in_read(struct audio_stream_in *stream, void* buffer, |
| 504 | size_t bytes) |
| 505 | { |
| 506 | ssize_t frames_read = -1977; |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 507 | struct submix_stream_in * const in = audio_stream_in_get_submix_stream_in(stream); |
| 508 | struct submix_audio_device * const rsxadev = in->dev; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 509 | const size_t frame_size = audio_stream_frame_size(&stream->common); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 510 | const size_t frames_to_read = bytes / frame_size; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 511 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 512 | SUBMIX_ALOGV("in_read bytes=%zu", bytes); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 513 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 514 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 515 | const bool output_standby_transition = (in->output_standby != in->dev->output_standby); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 516 | in->output_standby = rsxadev->output_standby; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 517 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 518 | if (rsxadev->input_standby || output_standby_transition) { |
| 519 | rsxadev->input_standby = false; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 520 | // keep track of when we exit input standby (== first read == start "real recording") |
| 521 | // or when we start recording silence, and reset projected time |
| 522 | int rc = clock_gettime(CLOCK_MONOTONIC, &in->record_start_time); |
| 523 | if (rc == 0) { |
| 524 | in->read_counter_frames = 0; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | in->read_counter_frames += frames_to_read; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 529 | size_t remaining_frames = frames_to_read; |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 530 | |
| 531 | { |
| 532 | // about to read from audio source |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 533 | sp<MonoPipeReader> source = rsxadev->rsxSource; |
| 534 | if (source == NULL) { |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 535 | ALOGE("no audio pipe yet we're trying to read!"); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 536 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 537 | usleep((bytes / frame_size) * 1000000 / in_get_sample_rate(&stream->common)); |
| 538 | memset(buffer, 0, bytes); |
| 539 | return bytes; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 540 | } |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 541 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 542 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 543 | |
| 544 | // read the data from the pipe (it's non blocking) |
| 545 | int attempts = 0; |
| 546 | char* buff = (char*)buffer; |
| 547 | while ((remaining_frames > 0) && (attempts < MAX_READ_ATTEMPTS)) { |
| 548 | attempts++; |
| 549 | frames_read = source->read(buff, remaining_frames, AudioBufferProvider::kInvalidPTS); |
| 550 | if (frames_read > 0) { |
| 551 | remaining_frames -= frames_read; |
| 552 | buff += frames_read * frame_size; |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 553 | SUBMIX_ALOGV(" in_read (att=%d) got %zd frames, remaining=%zu", |
| 554 | attempts, frames_read, remaining_frames); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 555 | } else { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 556 | SUBMIX_ALOGE(" in_read read returned %zd", frames_read); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 557 | usleep(READ_ATTEMPT_SLEEP_MS * 1000); |
| 558 | } |
| 559 | } |
| 560 | // done using the source |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 561 | pthread_mutex_lock(&rsxadev->lock); |
Jean-Michel Trivi | eafbfa4 | 2012-12-18 11:30:33 -0800 | [diff] [blame] | 562 | source.clear(); |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 563 | pthread_mutex_unlock(&rsxadev->lock); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 564 | } |
| 565 | |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 566 | if (remaining_frames > 0) { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 567 | SUBMIX_ALOGV(" remaining_frames = %zu", remaining_frames); |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 568 | memset(((char*)buffer)+ bytes - (remaining_frames * frame_size), 0, |
| 569 | remaining_frames * frame_size); |
Jean-Michel Trivi | 6acd966 | 2012-09-11 19:19:08 -0700 | [diff] [blame] | 570 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 571 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 572 | // compute how much we need to sleep after reading the data by comparing the wall clock with |
| 573 | // the projected time at which we should return. |
| 574 | struct timespec time_after_read;// wall clock after reading from the pipe |
| 575 | struct timespec record_duration;// observed record duration |
| 576 | int rc = clock_gettime(CLOCK_MONOTONIC, &time_after_read); |
| 577 | const uint32_t sample_rate = in_get_sample_rate(&stream->common); |
| 578 | if (rc == 0) { |
| 579 | // for how long have we been recording? |
| 580 | record_duration.tv_sec = time_after_read.tv_sec - in->record_start_time.tv_sec; |
| 581 | record_duration.tv_nsec = time_after_read.tv_nsec - in->record_start_time.tv_nsec; |
| 582 | if (record_duration.tv_nsec < 0) { |
| 583 | record_duration.tv_sec--; |
| 584 | record_duration.tv_nsec += 1000000000; |
| 585 | } |
| 586 | |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 587 | // read_counter_frames contains the number of frames that have been read since the |
| 588 | // beginning of recording (including this call): it's converted to usec and compared to |
| 589 | // how long we've been recording for, which gives us how long we must wait to sync the |
| 590 | // projected recording time, and the observed recording time. |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 591 | long projected_vs_observed_offset_us = |
| 592 | ((int64_t)(in->read_counter_frames |
| 593 | - (record_duration.tv_sec*sample_rate))) |
| 594 | * 1000000 / sample_rate |
| 595 | - (record_duration.tv_nsec / 1000); |
| 596 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 597 | SUBMIX_ALOGV(" record duration %5lds %3ldms, will wait: %7ldus", |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 598 | record_duration.tv_sec, record_duration.tv_nsec/1000000, |
| 599 | projected_vs_observed_offset_us); |
| 600 | if (projected_vs_observed_offset_us > 0) { |
| 601 | usleep(projected_vs_observed_offset_us); |
| 602 | } |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 603 | } |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 604 | |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 605 | SUBMIX_ALOGV("in_read returns %zu", bytes); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 606 | return bytes; |
| 607 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | static uint32_t in_get_input_frames_lost(struct audio_stream_in *stream) |
| 611 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 612 | (void)stream; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 613 | return 0; |
| 614 | } |
| 615 | |
| 616 | static int in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 617 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 618 | (void)stream; |
| 619 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static int in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) |
| 624 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 625 | (void)stream; |
| 626 | (void)effect; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | static int adev_open_output_stream(struct audio_hw_device *dev, |
| 631 | audio_io_handle_t handle, |
| 632 | audio_devices_t devices, |
| 633 | audio_output_flags_t flags, |
| 634 | struct audio_config *config, |
| 635 | struct audio_stream_out **stream_out) |
| 636 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 637 | 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] | 638 | ALOGV("adev_open_output_stream()"); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 639 | struct submix_stream_out *out; |
| 640 | int ret; |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 641 | (void)handle; |
| 642 | (void)devices; |
| 643 | (void)flags; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 644 | |
| 645 | out = (struct submix_stream_out *)calloc(1, sizeof(struct submix_stream_out)); |
| 646 | if (!out) { |
| 647 | ret = -ENOMEM; |
| 648 | goto err_open; |
| 649 | } |
| 650 | |
| 651 | pthread_mutex_lock(&rsxadev->lock); |
| 652 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 653 | // Initialize the function pointer tables (v-tables). |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 654 | out->stream.common.get_sample_rate = out_get_sample_rate; |
| 655 | out->stream.common.set_sample_rate = out_set_sample_rate; |
| 656 | out->stream.common.get_buffer_size = out_get_buffer_size; |
| 657 | out->stream.common.get_channels = out_get_channels; |
| 658 | out->stream.common.get_format = out_get_format; |
| 659 | out->stream.common.set_format = out_set_format; |
| 660 | out->stream.common.standby = out_standby; |
| 661 | out->stream.common.dump = out_dump; |
| 662 | out->stream.common.set_parameters = out_set_parameters; |
| 663 | out->stream.common.get_parameters = out_get_parameters; |
| 664 | out->stream.common.add_audio_effect = out_add_audio_effect; |
| 665 | out->stream.common.remove_audio_effect = out_remove_audio_effect; |
| 666 | out->stream.get_latency = out_get_latency; |
| 667 | out->stream.set_volume = out_set_volume; |
| 668 | out->stream.write = out_write; |
| 669 | out->stream.get_render_position = out_get_render_position; |
| 670 | out->stream.get_next_write_timestamp = out_get_next_write_timestamp; |
| 671 | |
| 672 | config->channel_mask = AUDIO_CHANNEL_OUT_STEREO; |
| 673 | rsxadev->config.channel_mask = config->channel_mask; |
| 674 | |
Eric Laurent | 9595f7c | 2013-08-22 09:55:13 -0700 | [diff] [blame] | 675 | if ((config->sample_rate != 48000) && (config->sample_rate != 44100)) { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 676 | config->sample_rate = DEFAULT_SAMPLE_RATE_HZ; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 677 | } |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 678 | rsxadev->config.sample_rate = config->sample_rate; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 679 | |
| 680 | config->format = AUDIO_FORMAT_PCM_16_BIT; |
| 681 | rsxadev->config.format = config->format; |
| 682 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 683 | rsxadev->config.period_size = PERIOD_SIZE_IN_FRAMES; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 684 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 685 | // Store a pointer to the device from the output stream. |
| 686 | out->dev = rsxadev; |
| 687 | // Return the output stream. |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 688 | *stream_out = &out->stream; |
| 689 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 690 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 691 | // initialize pipe |
| 692 | { |
| 693 | ALOGV(" initializing pipe"); |
Glenn Kasten | 0538a3e | 2014-03-07 08:26:16 -0800 | [diff] [blame] | 694 | const NBAIO_Format format = Format_from_SR_C(config->sample_rate, |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 695 | get_channel_count_from_mask(config->channel_mask), config->format); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 696 | const NBAIO_Format offers[1] = {format}; |
| 697 | size_t numCounterOffers = 0; |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 698 | // creating a MonoPipe with optional blocking set to true. |
| 699 | MonoPipe* sink = new MonoPipe(MAX_PIPE_DEPTH_IN_FRAMES, format, true/*writeCanBlock*/); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 700 | ssize_t index = sink->negotiate(offers, 1, NULL, numCounterOffers); |
| 701 | ALOG_ASSERT(index == 0); |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 702 | MonoPipeReader* source = new MonoPipeReader(sink); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 703 | numCounterOffers = 0; |
| 704 | index = source->negotiate(offers, 1, NULL, numCounterOffers); |
| 705 | ALOG_ASSERT(index == 0); |
| 706 | rsxadev->rsxSink = sink; |
| 707 | rsxadev->rsxSource = source; |
| 708 | } |
| 709 | |
| 710 | pthread_mutex_unlock(&rsxadev->lock); |
| 711 | |
| 712 | return 0; |
| 713 | |
| 714 | err_open: |
| 715 | *stream_out = NULL; |
| 716 | return ret; |
| 717 | } |
| 718 | |
| 719 | static void adev_close_output_stream(struct audio_hw_device *dev, |
| 720 | struct audio_stream_out *stream) |
| 721 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 722 | 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] | 723 | ALOGV("adev_close_output_stream()"); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 724 | |
| 725 | pthread_mutex_lock(&rsxadev->lock); |
| 726 | |
| 727 | rsxadev->rsxSink.clear(); |
| 728 | rsxadev->rsxSource.clear(); |
| 729 | free(stream); |
| 730 | |
| 731 | pthread_mutex_unlock(&rsxadev->lock); |
| 732 | } |
| 733 | |
| 734 | static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs) |
| 735 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 736 | (void)dev; |
| 737 | (void)kvpairs; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 738 | return -ENOSYS; |
| 739 | } |
| 740 | |
| 741 | static char * adev_get_parameters(const struct audio_hw_device *dev, |
| 742 | const char *keys) |
| 743 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 744 | (void)dev; |
| 745 | (void)keys; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 746 | return strdup("");; |
| 747 | } |
| 748 | |
| 749 | static int adev_init_check(const struct audio_hw_device *dev) |
| 750 | { |
| 751 | ALOGI("adev_init_check()"); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 752 | (void)dev; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 753 | return 0; |
| 754 | } |
| 755 | |
| 756 | static int adev_set_voice_volume(struct audio_hw_device *dev, float volume) |
| 757 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 758 | (void)dev; |
| 759 | (void)volume; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 760 | return -ENOSYS; |
| 761 | } |
| 762 | |
| 763 | static int adev_set_master_volume(struct audio_hw_device *dev, float volume) |
| 764 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 765 | (void)dev; |
| 766 | (void)volume; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 767 | return -ENOSYS; |
| 768 | } |
| 769 | |
| 770 | static int adev_get_master_volume(struct audio_hw_device *dev, float *volume) |
| 771 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 772 | (void)dev; |
| 773 | (void)volume; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 774 | return -ENOSYS; |
| 775 | } |
| 776 | |
| 777 | static int adev_set_master_mute(struct audio_hw_device *dev, bool muted) |
| 778 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 779 | (void)dev; |
| 780 | (void)muted; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 781 | return -ENOSYS; |
| 782 | } |
| 783 | |
| 784 | static int adev_get_master_mute(struct audio_hw_device *dev, bool *muted) |
| 785 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 786 | (void)dev; |
| 787 | (void)muted; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 788 | return -ENOSYS; |
| 789 | } |
| 790 | |
| 791 | static int adev_set_mode(struct audio_hw_device *dev, audio_mode_t mode) |
| 792 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 793 | (void)dev; |
| 794 | (void)mode; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 795 | return 0; |
| 796 | } |
| 797 | |
| 798 | static int adev_set_mic_mute(struct audio_hw_device *dev, bool state) |
| 799 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 800 | (void)dev; |
| 801 | (void)state; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 802 | return -ENOSYS; |
| 803 | } |
| 804 | |
| 805 | static int adev_get_mic_mute(const struct audio_hw_device *dev, bool *state) |
| 806 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 807 | (void)dev; |
| 808 | (void)state; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 809 | return -ENOSYS; |
| 810 | } |
| 811 | |
| 812 | static size_t adev_get_input_buffer_size(const struct audio_hw_device *dev, |
| 813 | const struct audio_config *config) |
| 814 | { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 815 | if (audio_is_linear_pcm(config->format)) { |
| 816 | const size_t buffer_period_size_frames = |
| 817 | audio_hw_device_get_submix_audio_device(const_cast<struct audio_hw_device*>(dev))-> |
| 818 | config.period_size; |
| 819 | const size_t frame_size_in_bytes = get_channel_count_from_mask(config->channel_mask) * |
| 820 | audio_bytes_per_sample(config->format); |
| 821 | const size_t buffer_size = buffer_period_size_frames * frame_size_in_bytes; |
| 822 | SUBMIX_ALOGV("out_get_buffer_size() returns %zu bytes, %zu frames", |
| 823 | buffer_size, buffer_period_size_frames); |
| 824 | return buffer_size; |
| 825 | } |
| 826 | return 0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | static int adev_open_input_stream(struct audio_hw_device *dev, |
| 830 | audio_io_handle_t handle, |
| 831 | audio_devices_t devices, |
| 832 | struct audio_config *config, |
| 833 | struct audio_stream_in **stream_in) |
| 834 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 835 | 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] | 836 | struct submix_stream_in *in; |
| 837 | int ret; |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 838 | ALOGI("adev_open_input_stream()"); |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 839 | (void)handle; |
| 840 | (void)devices; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 841 | |
| 842 | in = (struct submix_stream_in *)calloc(1, sizeof(struct submix_stream_in)); |
| 843 | if (!in) { |
| 844 | ret = -ENOMEM; |
| 845 | goto err_open; |
| 846 | } |
| 847 | |
| 848 | pthread_mutex_lock(&rsxadev->lock); |
| 849 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 850 | // Initialize the function pointer tables (v-tables). |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 851 | in->stream.common.get_sample_rate = in_get_sample_rate; |
| 852 | in->stream.common.set_sample_rate = in_set_sample_rate; |
| 853 | in->stream.common.get_buffer_size = in_get_buffer_size; |
| 854 | in->stream.common.get_channels = in_get_channels; |
| 855 | in->stream.common.get_format = in_get_format; |
| 856 | in->stream.common.set_format = in_set_format; |
| 857 | in->stream.common.standby = in_standby; |
| 858 | in->stream.common.dump = in_dump; |
| 859 | in->stream.common.set_parameters = in_set_parameters; |
| 860 | in->stream.common.get_parameters = in_get_parameters; |
| 861 | in->stream.common.add_audio_effect = in_add_audio_effect; |
| 862 | in->stream.common.remove_audio_effect = in_remove_audio_effect; |
| 863 | in->stream.set_gain = in_set_gain; |
| 864 | in->stream.read = in_read; |
| 865 | in->stream.get_input_frames_lost = in_get_input_frames_lost; |
| 866 | |
| 867 | config->channel_mask = AUDIO_CHANNEL_IN_STEREO; |
| 868 | rsxadev->config.channel_mask = config->channel_mask; |
| 869 | |
Eric Laurent | 9595f7c | 2013-08-22 09:55:13 -0700 | [diff] [blame] | 870 | if ((config->sample_rate != 48000) && (config->sample_rate != 44100)) { |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 871 | config->sample_rate = DEFAULT_SAMPLE_RATE_HZ; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 872 | } |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 873 | rsxadev->config.sample_rate = config->sample_rate; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 874 | |
| 875 | config->format = AUDIO_FORMAT_PCM_16_BIT; |
| 876 | rsxadev->config.format = config->format; |
| 877 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 878 | rsxadev->config.period_size = PERIOD_SIZE_IN_FRAMES; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 879 | |
| 880 | *stream_in = &in->stream; |
| 881 | |
| 882 | in->dev = rsxadev; |
| 883 | |
Stewart Miles | 568e66f | 2014-05-01 09:03:27 -0700 | [diff] [blame^] | 884 | // Initialize the input stream. |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 885 | in->read_counter_frames = 0; |
| 886 | in->output_standby = rsxadev->output_standby; |
| 887 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 888 | pthread_mutex_unlock(&rsxadev->lock); |
| 889 | |
| 890 | return 0; |
| 891 | |
| 892 | err_open: |
| 893 | *stream_in = NULL; |
| 894 | return ret; |
| 895 | } |
| 896 | |
| 897 | static void adev_close_input_stream(struct audio_hw_device *dev, |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 898 | struct audio_stream_in *stream) |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 899 | { |
Stewart Miles | f645c5e | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 900 | 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] | 901 | ALOGV("adev_close_input_stream()"); |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 902 | |
| 903 | pthread_mutex_lock(&rsxadev->lock); |
| 904 | |
Jean-Michel Trivi | 90b0fbd | 2012-10-30 19:03:22 -0700 | [diff] [blame] | 905 | MonoPipe* sink = rsxadev->rsxSink.get(); |
| 906 | if (sink != NULL) { |
| 907 | ALOGI("shutdown"); |
| 908 | sink->shutdown(true); |
| 909 | } |
| 910 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 911 | free(stream); |
| 912 | |
| 913 | pthread_mutex_unlock(&rsxadev->lock); |
| 914 | } |
| 915 | |
| 916 | static int adev_dump(const audio_hw_device_t *device, int fd) |
| 917 | { |
Stewart Miles | c049a0a | 2014-05-01 09:03:27 -0700 | [diff] [blame] | 918 | (void)device; |
| 919 | (void)fd; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 920 | return 0; |
| 921 | } |
| 922 | |
| 923 | static int adev_close(hw_device_t *device) |
| 924 | { |
| 925 | ALOGI("adev_close()"); |
| 926 | free(device); |
| 927 | return 0; |
| 928 | } |
| 929 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 930 | static int adev_open(const hw_module_t* module, const char* name, |
| 931 | hw_device_t** device) |
| 932 | { |
| 933 | ALOGI("adev_open(name=%s)", name); |
| 934 | struct submix_audio_device *rsxadev; |
| 935 | |
| 936 | if (strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0) |
| 937 | return -EINVAL; |
| 938 | |
| 939 | rsxadev = (submix_audio_device*) calloc(1, sizeof(struct submix_audio_device)); |
| 940 | if (!rsxadev) |
| 941 | return -ENOMEM; |
| 942 | |
| 943 | rsxadev->device.common.tag = HARDWARE_DEVICE_TAG; |
Eric Laurent | 5d85c53 | 2012-09-10 10:36:09 -0700 | [diff] [blame] | 944 | rsxadev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0; |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 945 | rsxadev->device.common.module = (struct hw_module_t *) module; |
| 946 | rsxadev->device.common.close = adev_close; |
| 947 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 948 | rsxadev->device.init_check = adev_init_check; |
| 949 | rsxadev->device.set_voice_volume = adev_set_voice_volume; |
| 950 | rsxadev->device.set_master_volume = adev_set_master_volume; |
| 951 | rsxadev->device.get_master_volume = adev_get_master_volume; |
| 952 | rsxadev->device.set_master_mute = adev_set_master_mute; |
| 953 | rsxadev->device.get_master_mute = adev_get_master_mute; |
| 954 | rsxadev->device.set_mode = adev_set_mode; |
| 955 | rsxadev->device.set_mic_mute = adev_set_mic_mute; |
| 956 | rsxadev->device.get_mic_mute = adev_get_mic_mute; |
| 957 | rsxadev->device.set_parameters = adev_set_parameters; |
| 958 | rsxadev->device.get_parameters = adev_get_parameters; |
| 959 | rsxadev->device.get_input_buffer_size = adev_get_input_buffer_size; |
| 960 | rsxadev->device.open_output_stream = adev_open_output_stream; |
| 961 | rsxadev->device.close_output_stream = adev_close_output_stream; |
| 962 | rsxadev->device.open_input_stream = adev_open_input_stream; |
| 963 | rsxadev->device.close_input_stream = adev_close_input_stream; |
| 964 | rsxadev->device.dump = adev_dump; |
| 965 | |
Jean-Michel Trivi | eec8770 | 2012-09-17 09:59:42 -0700 | [diff] [blame] | 966 | rsxadev->input_standby = true; |
| 967 | rsxadev->output_standby = true; |
| 968 | |
Jean-Michel Trivi | 88b79cb | 2012-08-16 13:56:03 -0700 | [diff] [blame] | 969 | *device = &rsxadev->device.common; |
| 970 | |
| 971 | return 0; |
| 972 | } |
| 973 | |
| 974 | static struct hw_module_methods_t hal_module_methods = { |
| 975 | /* open */ adev_open, |
| 976 | }; |
| 977 | |
| 978 | struct audio_module HAL_MODULE_INFO_SYM = { |
| 979 | /* common */ { |
| 980 | /* tag */ HARDWARE_MODULE_TAG, |
| 981 | /* module_api_version */ AUDIO_MODULE_API_VERSION_0_1, |
| 982 | /* hal_api_version */ HARDWARE_HAL_API_VERSION, |
| 983 | /* id */ AUDIO_HARDWARE_MODULE_ID, |
| 984 | /* name */ "Wifi Display audio HAL", |
| 985 | /* author */ "The Android Open Source Project", |
| 986 | /* methods */ &hal_module_methods, |
| 987 | /* dso */ NULL, |
| 988 | /* reserved */ { 0 }, |
| 989 | }, |
| 990 | }; |
| 991 | |
| 992 | } //namespace android |
| 993 | |
| 994 | } //extern "C" |