diff options
Diffstat (limited to 'tinyalsa_audio/audio_in.c')
| -rw-r--r-- | tinyalsa_audio/audio_in.c | 812 |
1 files changed, 0 insertions, 812 deletions
diff --git a/tinyalsa_audio/audio_in.c b/tinyalsa_audio/audio_in.c deleted file mode 100644 index 0bafbb0..0000000 --- a/tinyalsa_audio/audio_in.c +++ /dev/null @@ -1,812 +0,0 @@ -/* - * Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr> - * - * This is based on Galaxy Nexus audio.primary.tuna implementation: - * Copyright 2011, The Android Open-Source Project - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#define LOG_TAG "TinyALSA-Audio Input" - -#include <stdlib.h> -#include <errno.h> -#include <pthread.h> -#include <stdint.h> -#include <sys/time.h> - -#include <cutils/str_parms.h> -#include <cutils/log.h> - -#define EFFECT_UUID_NULL EFFECT_UUID_NULL_IN -#define EFFECT_UUID_NULL_STR EFFECT_UUID_NULL_STR_IN -#include <audio_utils/resampler.h> -#include "audio_hw.h" -#include "mixer.h" - -/* - * Functions - */ - -int audio_in_pcm_open(struct tinyalsa_audio_stream_in *stream_in) -{ - struct pcm *pcm = NULL; - struct pcm_config pcm_config; - - if(stream_in == NULL) - return -1; - - memset(&pcm_config, 0, sizeof(pcm_config)); - pcm_config.channels = popcount(stream_in->mixer_props->channel_mask); - pcm_config.rate = stream_in->mixer_props->rate; - switch(stream_in->mixer_props->format) { - case AUDIO_FORMAT_PCM_16_BIT: - pcm_config.format = PCM_FORMAT_S16_LE; - break; - case AUDIO_FORMAT_PCM_32_BIT: - pcm_config.format = PCM_FORMAT_S32_LE; - break; - default: - ALOGE("Invalid format: 0x%x", stream_in->mixer_props->format); - return -1; - } - pcm_config.period_size = stream_in->mixer_props->period_size; - pcm_config.period_count = stream_in->mixer_props->period_count; - - pcm = pcm_open(stream_in->mixer_props->card, - stream_in->mixer_props->device, PCM_IN, &pcm_config); - - if(pcm == NULL || !pcm_is_ready(pcm)) { - ALOGE("Unable to open pcm device: %s", pcm_get_error(pcm)); - return -1; - } - - stream_in->pcm = pcm; - - if(stream_in->resampler != NULL) - stream_in->resampler->reset(stream_in->resampler); - - return 0; -} - -void audio_in_pcm_close(struct tinyalsa_audio_stream_in *stream_in) -{ - if(stream_in->pcm == NULL) - return; - - pcm_close(stream_in->pcm); - stream_in->pcm = NULL; -} - -int audio_in_set_route(struct tinyalsa_audio_stream_in *stream_in, - audio_devices_t device) -{ - int rc; - - if(stream_in == NULL) - return -1; - - stream_in->device_current = device; - - if(device == 0) { - pthread_mutex_unlock(&stream_in->lock); - return stream_in->stream.common.standby((struct audio_stream *) stream_in); - } - - tinyalsa_mixer_set_device(stream_in->device->mixer, stream_in->device_current); - -#ifdef YAMAHA_MC1N2_AUDIO - yamaha_mc1n2_audio_set_route(stream_in->device->mc1n2_pdata, device); -#endif - - return 0; -} - -int audio_in_resampler_open(struct tinyalsa_audio_stream_in *stream_in) -{ - int rc; - - if(stream_in == NULL) - return -1; - - rc = create_resampler(stream_in->mixer_props->rate, - stream_in->rate, - popcount(stream_in->mixer_props->channel_mask), - RESAMPLER_QUALITY_DEFAULT, - &stream_in->buffer_provider, - &stream_in->resampler); - if(rc < 0 || stream_in->resampler == NULL) { - ALOGE("Failed to create resampler"); - return -1; - } - - stream_in->buffer = malloc(stream_in->mixer_props->period_size * - popcount(stream_in->mixer_props->channel_mask) * - audio_bytes_per_sample(stream_in->mixer_props->format)); - - return 0; -} - -void audio_in_resampler_close(struct tinyalsa_audio_stream_in *stream_in) -{ - if(stream_in == NULL) - return; - - if(stream_in->resampler != NULL) { - release_resampler(stream_in->resampler); - stream_in->resampler = NULL; - } - - if(stream_in->buffer != NULL) { - free(stream_in->buffer); - stream_in->buffer = NULL; - } -} - -int audio_in_get_next_buffer(struct resampler_buffer_provider *buffer_provider, - struct resampler_buffer *buffer) -{ - struct tinyalsa_audio_stream_in *stream_in; - int rc; - - if(buffer_provider == NULL || buffer == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) ((void *) buffer_provider - - offsetof(struct tinyalsa_audio_stream_in, buffer_provider)); - - if(stream_in->frames_left == 0) { - if(stream_in->pcm == NULL || !pcm_is_ready(stream_in->pcm)) { - ALOGE("pcm device is not ready"); - goto error_pcm; - } - - rc = pcm_read(stream_in->pcm, stream_in->buffer, - stream_in->mixer_props->period_size * - popcount(stream_in->mixer_props->channel_mask) * - audio_bytes_per_sample(stream_in->mixer_props->format)); - if(rc != 0) { - ALOGE("pcm read failed!"); - goto error_pcm; - } - - stream_in->frames_left = stream_in->mixer_props->period_size; - } - - buffer->frame_count = (buffer->frame_count > stream_in->frames_left) ? - stream_in->frames_left : buffer->frame_count; - - buffer->raw = stream_in->buffer + - (stream_in->mixer_props->period_size - stream_in->frames_left) * - popcount(stream_in->mixer_props->channel_mask) * - audio_bytes_per_sample(stream_in->mixer_props->format); - - return 0; - -error_pcm: - buffer->raw = NULL; - buffer->frame_count = 0; - return -1; -} - -void audio_in_release_buffer(struct resampler_buffer_provider *buffer_provider, - struct resampler_buffer *buffer) -{ - struct tinyalsa_audio_stream_in *stream_in; - - if(buffer_provider == NULL || buffer == NULL) - return; - - stream_in = (struct tinyalsa_audio_stream_in *) ((void *) buffer_provider - - offsetof(struct tinyalsa_audio_stream_in, buffer_provider)); - - stream_in->frames_left -= buffer->frame_count; -} - -int audio_in_read_process(struct tinyalsa_audio_stream_in *stream_in, void *buffer, int size) -{ - size_t frames_out; - - size_t frames_in; - int size_in; - void *buffer_in = NULL; - - int frames_out_resampler; - int size_out_resampler; - void *buffer_out_resampler = NULL; - - int frames_out_read; - int size_out_read; - void *buffer_out_read = NULL; - - int frames_out_channels; - int size_out_channels; - void *buffer_out_channels = NULL; - - int i, j; - int rc; - - if(stream_in == NULL || buffer == NULL || size <= 0) - return -1; - - frames_in = size / audio_stream_frame_size((struct audio_stream *) stream_in); - - if(stream_in->resampler != NULL) { - frames_out_resampler = frames_in; - size_out_resampler = frames_out_resampler * popcount(stream_in->mixer_props->channel_mask) * audio_bytes_per_sample(stream_in->mixer_props->format); - buffer_out_resampler = calloc(1, size_out_resampler); - - frames_out = 0; - while(frames_out < frames_out_resampler) { - frames_in = frames_out_resampler - frames_out; - stream_in->resampler->resample_from_provider(stream_in->resampler, - buffer_out_resampler + (size_out_resampler / frames_out_resampler) * frames_out, - &frames_in); - - frames_out += frames_in; - } - - frames_in = frames_out_resampler; - size_in = size_out_resampler; - buffer_in = buffer_out_resampler; - } else { - frames_out_read = frames_in; - size_out_read = frames_out_read * popcount(stream_in->mixer_props->channel_mask) * audio_bytes_per_sample(stream_in->mixer_props->format); - buffer_out_read = calloc(1, size_out_read); - - if(stream_in->pcm == NULL || !pcm_is_ready(stream_in->pcm)) { - ALOGE("pcm device is not ready"); - goto error; - } - - rc = pcm_read(stream_in->pcm, buffer_out_read, size_out_read); - if(rc != 0) { - ALOGE("pcm read failed!"); - goto error; - } - - frames_in = frames_out_read; - size_in = size_out_read; - buffer_in = buffer_out_read; - } - - if(buffer_in == NULL) - goto error; - - //FIXME: This is only for PCM 16 - if(popcount(stream_in->channel_mask) < popcount(stream_in->mixer_props->channel_mask)) { - frames_out_channels = frames_in; - size_out_channels = frames_out_channels * audio_stream_frame_size((struct audio_stream *) stream_in); - buffer_out_channels = calloc(1, size_out_channels); - - int channels_count_in = popcount(stream_in->mixer_props->channel_mask); - int channels_count_out = popcount(stream_in->channel_mask); - int ratio = channels_count_in / channels_count_out; - - int16_t *byte_in = (int16_t *) buffer_in; - int16_t *byte_out = (int16_t *) buffer_out_channels; - int16_t byte; - - for(i=0 ; i < frames_out_channels * channels_count_out; i++) { - byte = 0; - for(j=0 ; j < ratio ; j++) { - byte += *byte_in / ratio; - byte_in++; - } - - *byte_out = byte; - byte_out++; - } - - frames_in = frames_out_channels; - size_in = size_out_channels; - buffer_in = buffer_out_channels; - } else if(popcount(stream_in->channel_mask) != popcount(stream_in->mixer_props->channel_mask)) { - ALOGE("Asked for more channels than hardware can provide!"); - goto error; - } - - if(buffer_in != NULL) - memcpy(buffer, buffer_in, size); - - if(buffer_out_resampler != NULL) - free(buffer_out_resampler); - if(buffer_out_read != NULL) - free(buffer_out_read); - if(buffer_out_channels != NULL) - free(buffer_out_channels); - - return 0; - -error: - if(buffer_out_resampler != NULL) - free(buffer_out_resampler); - if(buffer_out_read != NULL) - free(buffer_out_read); - if(buffer_out_channels != NULL) - free(buffer_out_channels); - - return -1; -} - -static uint32_t audio_in_get_sample_rate(const struct audio_stream *stream) -{ - struct tinyalsa_audio_stream_in *stream_in; - - if(stream == NULL) - return 0; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - return stream_in->rate; -} - -static int audio_in_set_sample_rate(struct audio_stream *stream, uint32_t rate) -{ - struct tinyalsa_audio_stream_in *stream_in; - - ALOGD("%s(%p, %d)", __func__, stream, rate); - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - if(stream_in->rate != (int) rate) { - pthread_mutex_lock(&stream_in->lock); - - stream_in->rate = rate; - - if(stream_in->rate != stream_in->mixer_props->rate) { - audio_in_resampler_close(stream_in); - audio_in_resampler_open(stream_in); - - stream_in->standby = 1; - } - - pthread_mutex_unlock(&stream_in->lock); - } - - return 0; -} - -static size_t audio_in_get_buffer_size(const struct audio_stream *stream) -{ - struct tinyalsa_audio_stream_in *stream_in; - size_t size; - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - size = (stream_in->mixer_props->period_size * stream_in->rate) / - stream_in->mixer_props->rate; - size = ((size + 15) / 16) * 16; - size = size * audio_stream_frame_size((struct audio_stream *) stream); - - return size; -} - -static audio_channel_mask_t audio_in_get_channels(const struct audio_stream *stream) -{ - struct tinyalsa_audio_stream_in *stream_in; - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - return stream_in->channel_mask; -} - -static audio_format_t audio_in_get_format(const struct audio_stream *stream) -{ - struct tinyalsa_audio_stream_in *stream_in; - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - return stream_in->format; -} - -static int audio_in_set_format(struct audio_stream *stream, audio_format_t format) -{ - struct tinyalsa_audio_stream_in *stream_in; - - //ALOGD("%s(%p, %d)", __func__, stream, format); - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - if(stream_in->format != (audio_format_t) format) { - pthread_mutex_lock(&stream_in->lock); - - stream_in->format = format; - - if(stream_in->format != stream_in->mixer_props->format) - stream_in->standby = 1; - - pthread_mutex_unlock(&stream_in->lock); - } - - return 0; -} - -static int audio_in_standby(struct audio_stream *stream) -{ - struct tinyalsa_audio_stream_in *stream_in; - int rc; - - //ALOGD("%s(%p)", __func__, stream); - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - pthread_mutex_lock(&stream_in->lock); - - if(stream_in->pcm != NULL) - audio_in_pcm_close(stream_in); - -#ifdef YAMAHA_MC1N2_AUDIO - if(!stream_in->standby) { - rc = yamaha_mc1n2_audio_input_stop(stream_in->device->mc1n2_pdata); - if(rc < 0) { - ALOGE("Failed to set Yamaha-MC1N2-Audio route"); - } - } -#endif - - stream_in->standby = 1; - - pthread_mutex_unlock(&stream_in->lock); - - return 0; -} - -static int audio_in_dump(const struct audio_stream *stream, int fd) -{ - //ALOGD("%s(%p, %d)", __func__, stream, fd); - - return 0; -} - -static int audio_in_set_parameters(struct audio_stream *stream, const char *kvpairs) -{ - struct tinyalsa_audio_stream_in *stream_in; - struct str_parms *parms; - char value_string[32] = { 0 }; - int value; - int rc; - - //ALOGD("%s(%p, %s)", __func__, stream, kvpairs); - - if(stream == NULL || kvpairs == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - if(stream_in->device == NULL || stream_in->device->mixer == NULL) - return -1; - - parms = str_parms_create_str(kvpairs); - if(parms == NULL) - return -1; - - rc = str_parms_get_str(parms, AUDIO_PARAMETER_STREAM_ROUTING, value_string, sizeof(value_string)); - if(rc < 0) - goto error_params; - - value = atoi(value_string); - - pthread_mutex_lock(&stream_in->device->lock); - - if(stream_in->device_current != (audio_devices_t) value) { - pthread_mutex_lock(&stream_in->lock); - audio_in_set_route(stream_in, (audio_devices_t) value); - pthread_mutex_unlock(&stream_in->lock); - } - - pthread_mutex_unlock(&stream_in->device->lock); - - str_parms_destroy(parms); - - return 0; - -error_params: - str_parms_destroy(parms); - - return -1; -} - -static char *audio_in_get_parameters(const struct audio_stream *stream, - const char *keys) -{ - //ALOGD("%s(%p, %s)", __func__, stream, keys); - - return strdup(""); -} - -static int audio_in_set_gain(struct audio_stream_in *stream, float gain) -{ - struct tinyalsa_audio_stream_in *stream_in; - - ALOGD("%s(%p, %f)", __func__, stream, gain); - - if(stream == NULL) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - if(stream_in->device == NULL || stream_in->device->mixer == NULL) - return -1; - - pthread_mutex_lock(&stream_in->device->lock); - tinyalsa_mixer_set_input_gain(stream_in->device->mixer, - stream_in->device_current, gain); - pthread_mutex_unlock(&stream_in->device->lock); - - return 0; -} - -static ssize_t audio_in_read(struct audio_stream_in *stream, - void *buffer, size_t bytes) -{ - struct tinyalsa_audio_stream_in *stream_in; - int rc; - - if(stream == NULL || buffer == NULL || bytes <= 0) - return -1; - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - if(stream_in->device == NULL) - return -1; - - pthread_mutex_lock(&stream_in->lock); - - if(stream_in->standby) { -#ifdef YAMAHA_MC1N2_AUDIO - rc = yamaha_mc1n2_audio_input_start(stream_in->device->mc1n2_pdata); - if(rc < 0) { - ALOGE("Failed to set Yamaha-MC1N2-Audio route"); - } -#endif - - rc = audio_in_pcm_open(stream_in); - if(rc < 0) { - ALOGE("Unable to open pcm device"); - goto error; - } - - stream_in->standby = 0; - } - - rc = audio_in_read_process(stream_in, buffer, (int) bytes); - if(rc < 0) { - ALOGE("Read and process failed!"); - goto error; - } - - if(stream_in->device != NULL && stream_in->device->mic_mute) - memset(buffer, 0, bytes); - - pthread_mutex_unlock(&stream_in->lock); - - return bytes; - -error: - pthread_mutex_unlock(&stream_in->lock); - - return -1; -} - -static uint32_t audio_in_get_input_frames_lost(struct audio_stream_in *stream) -{ - return 0; -} - -static int audio_in_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect) -{ - //ALOGD("%s(%p, %p)", __func__, stream, effect); - - return 0; -} - -static int audio_in_remove_audio_effect(const struct audio_stream *stream, effect_handle_t effect) -{ - //ALOGD("%s(%p, %p)", __func__, stream, effect); - - return 0; -} - -/* - * Interface - */ - -void audio_hw_close_input_stream(struct audio_hw_device *dev, - struct audio_stream_in *stream) -{ - struct tinyalsa_audio_stream_in *stream_in; - struct tinyalsa_audio_device *tinyalsa_audio_device; - - ALOGD("%s(%p)", __func__, stream); - - stream_in = (struct tinyalsa_audio_stream_in *) stream; - - if(stream_in != NULL && stream_in->resampler != NULL) - audio_in_resampler_close(stream_in); - -#ifdef YAMAHA_MC1N2_AUDIO - if(stream_in != NULL && !stream_in->standby) - yamaha_mc1n2_audio_input_stop(stream_in->device->mc1n2_pdata); -#endif - - if(stream != NULL) - free(stream); - - if(dev == NULL) - return; - - tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev; - - pthread_mutex_lock(&tinyalsa_audio_device->lock); - - tinyalsa_mixer_set_input_state(tinyalsa_audio_device->mixer, 0); - tinyalsa_audio_device->stream_in = NULL; - - pthread_mutex_unlock(&tinyalsa_audio_device->lock); -} - -int audio_hw_open_input_stream(struct audio_hw_device *dev, - audio_io_handle_t handle, - audio_devices_t devices, - struct audio_config *config, - struct audio_stream_in **stream_in) -{ - struct tinyalsa_audio_device *tinyalsa_audio_device; - struct tinyalsa_audio_stream_in *tinyalsa_audio_stream_in; - struct audio_stream_in *stream; - int rc; - - ALOGD("%s(%p, %d, %p, %p)", - __func__, dev, devices, config, stream_in); - - if(dev == NULL || config == NULL || stream_in == NULL) - return -EINVAL; - - *stream_in = NULL; - - tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev; - tinyalsa_audio_stream_in = calloc(1, sizeof(struct tinyalsa_audio_stream_in)); - - if(tinyalsa_audio_stream_in == NULL) - return -ENOMEM; - - tinyalsa_audio_stream_in->device = tinyalsa_audio_device; - tinyalsa_audio_device->stream_in = tinyalsa_audio_stream_in; - stream = &(tinyalsa_audio_stream_in->stream); - - stream->common.get_sample_rate = audio_in_get_sample_rate; - stream->common.set_sample_rate = audio_in_set_sample_rate; - stream->common.get_buffer_size = audio_in_get_buffer_size; - stream->common.get_channels = audio_in_get_channels; - stream->common.get_format = audio_in_get_format; - stream->common.set_format = audio_in_set_format; - stream->common.standby = audio_in_standby; - stream->common.dump = audio_in_dump; - stream->common.set_parameters = audio_in_set_parameters; - stream->common.get_parameters = audio_in_get_parameters; - stream->common.add_audio_effect = audio_in_add_audio_effect; - stream->common.remove_audio_effect = audio_in_remove_audio_effect; - stream->set_gain = audio_in_set_gain; - stream->read = audio_in_read; - stream->get_input_frames_lost = audio_in_get_input_frames_lost; - - if(tinyalsa_audio_device->mixer == NULL) - goto error_stream; - - tinyalsa_audio_stream_in->mixer_props = - tinyalsa_mixer_get_input_props(tinyalsa_audio_device->mixer); - - if(tinyalsa_audio_stream_in->mixer_props == NULL) - goto error_stream; - - // Default values - if(tinyalsa_audio_stream_in->mixer_props->rate == 0) - tinyalsa_audio_stream_in->mixer_props->rate = 44100; - if(tinyalsa_audio_stream_in->mixer_props->channel_mask == 0) - tinyalsa_audio_stream_in->mixer_props->channel_mask = AUDIO_CHANNEL_IN_STEREO; - if(tinyalsa_audio_stream_in->mixer_props->format == 0) - tinyalsa_audio_stream_in->mixer_props->format = AUDIO_FORMAT_PCM_16_BIT; - - if(config->sample_rate == 0) - tinyalsa_audio_stream_in->rate = - tinyalsa_audio_stream_in->mixer_props->rate; - else - tinyalsa_audio_stream_in->rate = config->sample_rate; - if(config->channel_mask == 0) - tinyalsa_audio_stream_in->channel_mask = - tinyalsa_audio_stream_in->mixer_props->channel_mask; - else - tinyalsa_audio_stream_in->channel_mask = config->channel_mask; - if(config->format == 0) - tinyalsa_audio_stream_in->format = - tinyalsa_audio_stream_in->mixer_props->format; - else - tinyalsa_audio_stream_in->format = config->format; - - tinyalsa_audio_stream_in->buffer_provider.get_next_buffer = - audio_in_get_next_buffer; - tinyalsa_audio_stream_in->buffer_provider.release_buffer = - audio_in_release_buffer; - - if(tinyalsa_audio_stream_in->rate != tinyalsa_audio_stream_in->mixer_props->rate) { - rc = audio_in_resampler_open(tinyalsa_audio_stream_in); - if(rc < 0) { - ALOGE("Unable to open resampler!"); - goto error_stream; - } - } - - config->sample_rate = tinyalsa_audio_stream_in->rate; - config->channel_mask = tinyalsa_audio_stream_in->channel_mask; - config->format = tinyalsa_audio_stream_in->format; - - pthread_mutex_lock(&tinyalsa_audio_device->lock); - - rc = tinyalsa_mixer_set_input_state(tinyalsa_audio_device->mixer, 1); - if(rc < 0) { - ALOGE("Unable to set input state"); - pthread_mutex_unlock(&tinyalsa_audio_device->lock); - goto error_stream; - } - - pthread_mutex_lock(&tinyalsa_audio_stream_in->lock); - - audio_in_set_route(tinyalsa_audio_stream_in, devices); - - pthread_mutex_unlock(&tinyalsa_audio_device->lock); - - rc = audio_in_pcm_open(tinyalsa_audio_stream_in); - if(rc < 0) { - ALOGE("Unable to open pcm device"); - pthread_mutex_unlock(&tinyalsa_audio_stream_in->lock); - goto error_stream; - } - - audio_in_pcm_close(tinyalsa_audio_stream_in); - - tinyalsa_audio_stream_in->standby = 1; - - pthread_mutex_unlock(&tinyalsa_audio_stream_in->lock); - - *stream_in = stream; - - return 0; - -error_stream: - if(tinyalsa_audio_stream_in->resampler != NULL) - audio_in_resampler_close(tinyalsa_audio_stream_in); - free(tinyalsa_audio_stream_in); - tinyalsa_audio_device->stream_in = NULL; - - return -1; -} |