768 static int start_input_stream(struct stream_in *in)  in start_input_stream()  argument
770     struct audio_device *adev = in->dev;  in start_input_stream()
772     in->pcm = pcm_open(PCM_CARD, PCM_DEVICE, PCM_IN, in->config);  in start_input_stream()
774     if (in->pcm && !pcm_is_ready(in->pcm)) {  in start_input_stream()
775         ALOGE("pcm_open() failed: %s", pcm_get_error(in->pcm));  in start_input_stream()
776         pcm_close(in->pcm);  in start_input_stream()
781     if (in->resampler)  in start_input_stream()
782         in->resampler->reset(in->resampler);  in start_input_stream()
784     in->frames_in = 0;  in start_input_stream()
785     adev->input_source = in->input_source;  in start_input_stream()
786     adev->in_device = in->device;  in start_input_stream()
787     adev->in_channel_mask = in->channel_mask;  in start_input_stream()
789     eS305_SetActiveIoHandle(in->io_handle);  in start_input_stream()
792     if (in->device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)  in start_input_stream()
796     in->ramp_frames = (CAPTURE_START_RAMP_MS * in->requested_rate) / 1000;  in start_input_stream()
797     in->ramp_step = (uint16_t)(USHRT_MAX / in->ramp_frames);  in start_input_stream()
798     in->ramp_vol = 0;;  in start_input_stream()
831     struct stream_in *in;  in get_next_buffer()  local
837     in = (struct stream_in *)((char *)buffer_provider -  in get_next_buffer()
840     if (in->pcm == NULL) {  in get_next_buffer()
843         in->read_status = -ENODEV;  in get_next_buffer()
847     if (in->frames_in == 0) {  in get_next_buffer()
848         in->read_status = pcm_read(in->pcm,  in get_next_buffer()
849                                    (void*)in->buffer,  in get_next_buffer()
850                                    pcm_frames_to_bytes(in->pcm, in->config->period_size));  in get_next_buffer()
851         if (in->read_status != 0) {  in get_next_buffer()
852             ALOGE("get_next_buffer() pcm_read error %d", in->read_status);  in get_next_buffer()
855             return in->read_status;  in get_next_buffer()
858         in->frames_in = in->config->period_size;  in get_next_buffer()
861         if (in->channel_mask == AUDIO_CHANNEL_IN_MONO)  in get_next_buffer()
862             for (i = 1; i < in->frames_in; i++)  in get_next_buffer()
863                 in->buffer[i] = in->buffer[i * 2];  in get_next_buffer()
866     buffer->frame_count = (buffer->frame_count > in->frames_in) ?  in get_next_buffer()
867                                 in->frames_in : buffer->frame_count;  in get_next_buffer()
868     buffer->i16 = in->buffer +  in get_next_buffer()
869             (in->config->period_size - in->frames_in) *  in get_next_buffer()
870                 audio_channel_count_from_in_mask(in->channel_mask);  in get_next_buffer()
872     return in->read_status;  in get_next_buffer()
879     struct stream_in *in;  in release_buffer()  local
884     in = (struct stream_in *)((char *)buffer_provider -  in release_buffer()
887     in->frames_in -= buffer->frame_count;  in release_buffer()
892 static ssize_t read_frames(struct stream_in *in, void *buffer, ssize_t frames)  in read_frames()  argument
895     size_t frame_size = audio_stream_in_frame_size(&in->stream);  in read_frames()
899         if (in->resampler != NULL) {  in read_frames()
900             in->resampler->resample_from_provider(in->resampler,  in read_frames()
909             get_next_buffer(&in->buf_provider, &buf);  in read_frames()
917             release_buffer(&in->buf_provider, &buf);  in read_frames()
921         if (in->read_status != 0)  in read_frames()
922             return in->read_status;  in read_frames()
1306     struct stream_in *in = (struct stream_in *)stream;  in in_get_sample_rate()  local
1308     return in->requested_rate;  in in_get_sample_rate()
1318     struct stream_in *in = (struct stream_in *)stream;  in in_get_channels()  local
1320     return in->channel_mask;  in in_get_channels()
1326     struct stream_in *in = (struct stream_in *)stream;  in in_get_buffer_size()  local
1328     return get_input_buffer_size(in->requested_rate,  in in_get_buffer_size()
1331                                  (in->flags & AUDIO_INPUT_FLAG_FAST) != 0);  in in_get_buffer_size()
1345 static void do_in_standby(struct stream_in *in)  in do_in_standby()  argument
1347     struct audio_device *adev = in->dev;  in do_in_standby()
1349     if (!in->standby) {  in do_in_standby()
1350         pcm_close(in->pcm);  in do_in_standby()
1351         in->pcm = NULL;  in do_in_standby()
1353         if (in->device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)  in do_in_standby()
1356         in->dev->input_source = AUDIO_SOURCE_DEFAULT;  in do_in_standby()
1357         in->dev->in_device = AUDIO_DEVICE_NONE;  in do_in_standby()
1358         in->dev->in_channel_mask = 0;  in do_in_standby()
1360         in->standby = true;  in do_in_standby()
1363             in->dev->bubble_level->stop_polling(adev->bubble_level);  in do_in_standby()
1371     struct stream_in *in = (struct stream_in *)stream;  in in_standby()  local
1373     pthread_mutex_lock(&in->lock);  in in_standby()
1374     pthread_mutex_lock(&in->dev->lock);  in in_standby()
1376     do_in_standby(in);  in in_standby()
1378     pthread_mutex_unlock(&in->dev->lock);  in in_standby()
1379     pthread_mutex_unlock(&in->lock);  in in_standby()
1391     struct stream_in *in = (struct stream_in *)stream;  in in_set_parameters()  local
1392     struct audio_device *adev = in->dev;  in in_set_parameters()
1401     pthread_mutex_lock(&in->lock);  in in_set_parameters()
1408         if ((in->input_source != val) && (val != 0)) {  in in_set_parameters()
1409             in->input_source = val;  in in_set_parameters()
1410             apply_now = !in->standby;  in in_set_parameters()
1420         if ((in->device != val) && (val != 0)) {  in in_set_parameters()
1423                     (in->device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)) {  in in_set_parameters()
1424                 do_in_standby(in);  in in_set_parameters()
1426             in->device = val;  in in_set_parameters()
1427             apply_now = !in->standby;  in in_set_parameters()
1432         adev->input_source = in->input_source;  in in_set_parameters()
1433         adev->in_device = in->device;  in in_set_parameters()
1438     pthread_mutex_unlock(&in->lock);  in in_set_parameters()
1455 static void in_apply_ramp(struct stream_in *in, int16_t *buffer, size_t frames)  in in_apply_ramp()  argument
1458     uint16_t vol = in->ramp_vol;  in in_apply_ramp()
1459     uint16_t step = in->ramp_step;  in in_apply_ramp()
1461     frames = (frames < in->ramp_frames) ? frames : in->ramp_frames;  in in_apply_ramp()
1463     if (in->channel_mask == AUDIO_CHANNEL_IN_MONO)  in in_apply_ramp()
1478     in->ramp_vol = vol;  in in_apply_ramp()
1479     in->ramp_frames -= frames;  in in_apply_ramp()
1486     struct stream_in *in = (struct stream_in *)stream;  in in_read()  local
1487     struct audio_device *adev = in->dev;  in in_read()
1496     pthread_mutex_lock(&in->lock);  in in_read()
1497     if (in->standby) {  in in_read()
1499         ret = start_input_stream(in);  in in_read()
1503         in->standby = false;  in in_read()
1509     ret = read_frames(in, buffer, frames_rq);  in in_read()
1514     if (in->ramp_frames > 0)  in in_read()
1515         in_apply_ramp(in, buffer, frames_rq);  in in_read()
1529     pthread_mutex_unlock(&in->lock);  in in_read()
1541     struct stream_in *in = (struct stream_in *)stream;  in in_add_audio_effect()  local
1545         pthread_mutex_lock(&in->lock);  in in_add_audio_effect()
1546         pthread_mutex_lock(&in->dev->lock);  in in_add_audio_effect()
1548         eS305_AddEffect(&descr, in->io_handle);  in in_add_audio_effect()
1550         pthread_mutex_unlock(&in->dev->lock);  in in_add_audio_effect()
1551         pthread_mutex_unlock(&in->lock);  in in_add_audio_effect()
1560     struct stream_in *in = (struct stream_in *)stream;  in in_remove_audio_effect()  local
1564         pthread_mutex_lock(&in->lock);  in in_remove_audio_effect()
1565         pthread_mutex_lock(&in->dev->lock);  in in_remove_audio_effect()
1567         eS305_RemoveEffect(&descr, in->io_handle);  in in_remove_audio_effect()
1569         pthread_mutex_unlock(&in->dev->lock);  in in_remove_audio_effect()
1570         pthread_mutex_unlock(&in->lock);  in in_remove_audio_effect()
1774     struct stream_in *in;  in adev_open_input_stream()  local
1786     in = (struct stream_in *)calloc(1, sizeof(struct stream_in));  in adev_open_input_stream()
1787     if (!in)  in adev_open_input_stream()
1790     in->stream.common.get_sample_rate = in_get_sample_rate;  in adev_open_input_stream()
1791     in->stream.common.set_sample_rate = in_set_sample_rate;  in adev_open_input_stream()
1792     in->stream.common.get_buffer_size = in_get_buffer_size;  in adev_open_input_stream()
1793     in->stream.common.get_channels = in_get_channels;  in adev_open_input_stream()
1794     in->stream.common.get_format = in_get_format;  in adev_open_input_stream()
1795     in->stream.common.set_format = in_set_format;  in adev_open_input_stream()
1796     in->stream.common.standby = in_standby;  in adev_open_input_stream()
1797     in->stream.common.dump = in_dump;  in adev_open_input_stream()
1798     in->stream.common.set_parameters = in_set_parameters;  in adev_open_input_stream()
1799     in->stream.common.get_parameters = in_get_parameters;  in adev_open_input_stream()
1800     in->stream.common.add_audio_effect = in_add_audio_effect;  in adev_open_input_stream()
1801     in->stream.common.remove_audio_effect = in_remove_audio_effect;  in adev_open_input_stream()
1802     in->stream.set_gain = in_set_gain;  in adev_open_input_stream()
1803     in->stream.read = in_read;  in adev_open_input_stream()
1804     in->stream.get_input_frames_lost = in_get_input_frames_lost;  in adev_open_input_stream()
1806     in->dev = adev;  in adev_open_input_stream()
1807     in->standby = true;  in adev_open_input_stream()
1808     in->requested_rate = config->sample_rate;  in adev_open_input_stream()
1809     in->input_source = AUDIO_SOURCE_DEFAULT;  in adev_open_input_stream()
1811     in->device = devices & ~AUDIO_DEVICE_BIT_IN;  in adev_open_input_stream()
1812     in->io_handle = handle;  in adev_open_input_stream()
1813     in->channel_mask = config->channel_mask;  in adev_open_input_stream()
1814     in->flags = flags;  in adev_open_input_stream()
1817     in->config = pcm_config;  in adev_open_input_stream()
1819     in->buffer = malloc(pcm_config->period_size * pcm_config->channels  in adev_open_input_stream()
1820                                                * audio_stream_in_frame_size(&in->stream));  in adev_open_input_stream()
1822     if (!in->buffer) {  in adev_open_input_stream()
1827     if (in->requested_rate != pcm_config->rate) {  in adev_open_input_stream()
1828         in->buf_provider.get_next_buffer = get_next_buffer;  in adev_open_input_stream()
1829         in->buf_provider.release_buffer = release_buffer;  in adev_open_input_stream()
1832                                in->requested_rate,  in adev_open_input_stream()
1833                                audio_channel_count_from_in_mask(in->channel_mask),  in adev_open_input_stream()
1835                                &in->buf_provider,  in adev_open_input_stream()
1836                                &in->resampler);  in adev_open_input_stream()
1843     *stream_in = &in->stream;  in adev_open_input_stream()
1847     free(in->buffer);  in adev_open_input_stream()
1849     free(in);  in adev_open_input_stream()
1856     struct stream_in *in = (struct stream_in *)stream;  in adev_close_input_stream()  local
1859     if (in->resampler) {  in adev_close_input_stream()
1860         release_resampler(in->resampler);  in adev_close_input_stream()
1861         in->resampler = NULL;  in adev_close_input_stream()
1863     free(in->buffer);  in adev_close_input_stream()