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tinyalsa-audio belongs in hardware/tinyalsa-audio 

Cherry-picked!
This commit is contained in:
Paul Kocialkowski 2013-12-27 16:28:44 +01:00 committed by Wolfgang Wiedmeyer
parent aa9dc1a5ac
commit 2647ccb842
9 changed files with 0 additions and 4204 deletions
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59
tinyalsa_audio/Android.mk
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# Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
#
# 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/>.
LOCAL_PATH := $(call my-dir)
ifeq ($(strip $(BOARD_USE_TINYALSA_AUDIO)),true)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
audio_hw.c \
audio_out.c \
audio_in.c \
audio_ril_interface.c \
mixer.c
LOCAL_C_INCLUDES += \
external/tinyalsa/include \
external/expat/lib \
system/media/audio_utils/include \
system/media/audio_effects/include \
hardware/tinyalsa-audio/include
LOCAL_SHARED_LIBRARIES := \
libc \
libcutils \
libutils \
libexpat \
libtinyalsa \
libaudioutils \
libdl
ifeq ($(strip $(BOARD_USE_YAMAHA_MC1N2_AUDIO)),true)
LOCAL_CFLAGS += -DYAMAHA_MC1N2_AUDIO -DYAMAHA_MC1N2_AUDIO_DEVICE=\"galaxys2\"
LOCAL_C_INCLUDES += $(LOCAL_PATH)/../yamaha-mc1n2-audio/include
LOCAL_SHARED_LIBRARIES += libyamaha-mc1n2-audio
endif
LOCAL_PRELINK_MODULE := false
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE := audio.primary.$(TARGET_BOARD_PLATFORM)
LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
include $(BUILD_SHARED_LIBRARY)
endif

516
tinyalsa_audio/audio_hw.c
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/*
* 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 Hardware"
#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>
#ifdef YAMAHA_MC1N2_AUDIO
#include <yamaha-mc1n2-audio.h>
#endif
#include "audio_hw.h"
#include "mixer.h"
/*
* Functions
*/
static int audio_hw_init_check(const struct audio_hw_device *dev)
{
struct tinyalsa_audio_device *device;
ALOGD("%s(%p)", __func__, dev);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(device->mixer == NULL)
return -1;
return 0;
}
static int audio_hw_set_voice_volume(struct audio_hw_device *dev, float volume)
{
struct tinyalsa_audio_device *device;
audio_devices_t device_modem;
ALOGD("%s(%p, %f)++", __func__, dev, volume);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(device->mixer == NULL)
return -1;
if(volume != device->voice_volume) {
pthread_mutex_lock(&device->lock);
if(device->mode == AUDIO_MODE_IN_CALL) {
if(device->ril_interface != NULL)
device_modem = device->ril_interface->device_current;
else if(device->stream_out != NULL)
device_modem = device->stream_out->device_current;
else
device_modem = AUDIO_DEVICE_OUT_EARPIECE;
tinyalsa_mixer_set_voice_volume(device->mixer,
device_modem, volume);
if(device->ril_interface != NULL)
audio_ril_interface_set_voice_volume(device->ril_interface, device_modem, volume);
}
device->voice_volume = volume;
pthread_mutex_unlock(&device->lock);
}
ALOGD("%s(%p, %f)--", __func__, dev, volume);
return 0;
}
static int audio_hw_set_master_volume(struct audio_hw_device *dev, float volume)
{
struct tinyalsa_audio_device *device;
ALOGD("%s(%p, %f)++", __func__, dev, volume);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(device->mixer == NULL)
return -1;
pthread_mutex_lock(&device->lock);
tinyalsa_mixer_set_master_volume(device->mixer, volume);
pthread_mutex_unlock(&device->lock);
ALOGD("%s(%p, %f)--", __func__, dev, volume);
return 0;
}
static int audio_hw_set_mode(struct audio_hw_device *dev, int mode)
{
struct tinyalsa_audio_ril_interface *ril_interface;
struct tinyalsa_audio_device *device;
audio_devices_t device_modem;
int rc;
ALOGD("%s(%p, %d)++", __func__, dev, mode);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(mode != device->mode) {
pthread_mutex_lock(&device->lock);
if(mode == AUDIO_MODE_IN_CALL) {
tinyalsa_mixer_set_modem_state(device->mixer, 1);
if(device->stream_out != NULL)
device_modem = device->stream_out->device_current;
else
device_modem = AUDIO_DEVICE_OUT_EARPIECE;
tinyalsa_mixer_set_device(device->mixer, device_modem);
#ifdef YAMAHA_MC1N2_AUDIO
rc = yamaha_mc1n2_audio_modem_start(device->mc1n2_pdata);
if(rc < 0) {
ALOGE("Failed to set Yamaha-MC1N2-Audio route");
}
#endif
rc = audio_ril_interface_open((struct audio_hw_device *) device, device_modem, &ril_interface);
if(rc < 0 || ril_interface == NULL) {
ALOGE("Failed to open RIL interface");
device->ril_interface = NULL;
} else {
device->ril_interface = ril_interface;
//Only enable dualmic for earpiece.
if(device_modem == AUDIO_DEVICE_OUT_EARPIECE)
audio_ril_interface_set_twomic(ril_interface,TWO_MIC_SOLUTION_ON);
if(device->voice_volume)
audio_ril_interface_set_voice_volume(ril_interface, device_modem, device->voice_volume);
}
} else if(device->mode == AUDIO_MODE_IN_CALL) {
tinyalsa_mixer_set_modem_state(device->mixer, 0);
/*
* Should be safe to ALWAYS disable it on exit
* But we should instrument secril-client to be sure
* when this is/isn't controlled - FIXME
*/
if(device->ril_interface != NULL) {
audio_ril_interface_set_twomic(device->ril_interface,TWO_MIC_SOLUTION_OFF);
}
#ifdef YAMAHA_MC1N2_AUDIO
rc = yamaha_mc1n2_audio_modem_stop(device->mc1n2_pdata);
if(rc < 0) {
ALOGE("Failed to set Yamaha-MC1N2-Audio route");
}
#endif
if(device->ril_interface != NULL) {
audio_ril_interface_close((struct audio_hw_device *) device, device->ril_interface);
}
}
device->mode = mode;
pthread_mutex_unlock(&device->lock);
}
ALOGD("%s(%p, %d)--", __func__, dev, mode);
return 0;
}
static int audio_hw_set_mic_mute(struct audio_hw_device *dev, bool state)
{
struct tinyalsa_audio_device *device;
audio_devices_t device_modem;
ALOGD("%s(%p, %d)++", __func__, dev, state);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(device->mixer == NULL)
return -1;
if(device->mic_mute != state) {
pthread_mutex_lock(&device->lock);
if(device->mode == AUDIO_MODE_IN_CALL) {
if(device->ril_interface != NULL)
device_modem = device->ril_interface->device_current;
else if(device->stream_out != NULL)
device_modem = device->stream_out->device_current;
else
device_modem = AUDIO_DEVICE_OUT_EARPIECE;
tinyalsa_mixer_set_mic_mute(device->mixer,
device_modem, state);
if(device->ril_interface != NULL)
audio_ril_interface_set_mic_mute(device->ril_interface, state);
} else {
if(device->stream_in != NULL) {
tinyalsa_mixer_set_mic_mute(device->mixer,
device->stream_in->device_current, state);
}
}
device->mic_mute = state;
pthread_mutex_unlock(&device->lock);
}
ALOGD("%s(%p, %d)--", __func__, dev, state);
return 0;
}
static int audio_hw_get_mic_mute(const struct audio_hw_device *dev, bool *state)
{
struct tinyalsa_audio_device *device;
ALOGD("%s(%p, %p)", __func__, dev, state);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
*state = device->mic_mute;
return 0;
}
static int audio_hw_set_parameters(struct audio_hw_device *dev,
const char *kvpairs)
{
struct tinyalsa_audio_device *device;
struct str_parms *parms;
char value_string[32] = { 0 };
int value;
int rc;
ALOGD("%s(%p, %s)++", __func__, dev, kvpairs);
if(dev == NULL || kvpairs == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(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(&device->lock);
if(audio_is_output_device((audio_devices_t) value)) {
if(device->stream_out != NULL && device->stream_out->device_current != (audio_devices_t) value) {
pthread_mutex_lock(&device->stream_out->lock);
audio_out_set_route(device->stream_out, (audio_devices_t) value);
pthread_mutex_unlock(&device->stream_out->lock);
}
if(device->ril_interface != NULL && device->ril_interface->device_current != (audio_devices_t) value) {
audio_ril_interface_set_route(device->ril_interface, (audio_devices_t) value);
}
} else if(audio_is_input_device((audio_devices_t) value)) {
if(device->stream_in != NULL && device->stream_in->device_current != (audio_devices_t) value) {
pthread_mutex_lock(&device->stream_in->lock);
audio_in_set_route(device->stream_in, (audio_devices_t) value);
pthread_mutex_unlock(&device->stream_in->lock);
}
}
pthread_mutex_unlock(&device->lock);
str_parms_destroy(parms);
ALOGD("%s(%p, %s)--", __func__, dev, kvpairs);
return 0;
error_params:
str_parms_destroy(parms);
ALOGD("%s(%p, %s)-- (PARAMETER ERROR)", __func__, dev, kvpairs);
return -1;
}
static char *audio_hw_get_parameters(const struct audio_hw_device *dev,
const char *keys)
{
ALOGD("%s(%p, %s)", __func__, dev, keys);
return strdup("");
}
static size_t audio_hw_get_input_buffer_size(const struct audio_hw_device *dev,
const struct audio_config *config)
{
struct tinyalsa_audio_device *device;
struct tinyalsa_mixer_io_props *mixer_props;
size_t size;
int channel_count = popcount(config->channel_mask);
ALOGD("%s(%p, %d, %d, %d)++", __func__, dev, config->sample_rate, config->format, channel_count);
if(dev == NULL)
return -1;
device = (struct tinyalsa_audio_device *) dev;
if(device->mixer == NULL)
return -1;
mixer_props = tinyalsa_mixer_get_input_props(device->mixer);
if(mixer_props == NULL)
return -1;
// Default value
if(mixer_props->rate == 0)
mixer_props->rate = 44100;
size = (mixer_props->period_size * config->sample_rate) / mixer_props->rate;
size = ((size + 15) / 16) * 16;
size = size * channel_count * audio_bytes_per_sample(config->format);
ALOGD("%s(%p, %d, %d, %d)--", __func__, dev, config->sample_rate, config->format, channel_count);
return size;
}
static int audio_hw_dump(const audio_hw_device_t *device, int fd)
{
ALOGD("%s(%p, %d)", __func__, device, fd);
return 0;
}
/*
* Interface
*/
int audio_hw_close(hw_device_t *device)
{
struct tinyalsa_audio_device *tinyalsa_audio_device;
ALOGD("%s(%p)++", __func__, device);
if(device != NULL) {
tinyalsa_audio_device = (struct tinyalsa_audio_device *) device;
if(tinyalsa_audio_device->mixer != NULL) {
tinyalsa_mixer_close(tinyalsa_audio_device->mixer);
tinyalsa_audio_device->mixer = NULL;
}
#ifdef YAMAHA_MC1N2_AUDIO
if(tinyalsa_audio_device->mc1n2_pdata != NULL) {
yamaha_mc1n2_audio_stop(tinyalsa_audio_device->mc1n2_pdata);
tinyalsa_audio_device->mc1n2_pdata = NULL;
}
#endif
free(device);
}
ALOGD("%s(%p)--", __func__, device);
return 0;
}
int audio_hw_open(const hw_module_t *module, const char *name,
hw_device_t **device)
{
struct tinyalsa_audio_device *tinyalsa_audio_device = NULL;
struct tinyalsa_mixer *tinyalsa_mixer = NULL;
struct audio_hw_device *dev;
int rc;
ALOGD("%s(%p, %s, %p)++", __func__, module, name, device);
if(device == NULL)
return -EINVAL;
if(strcmp(name, AUDIO_HARDWARE_INTERFACE) != 0)
return -EINVAL;
tinyalsa_audio_device = calloc(1, sizeof(struct tinyalsa_audio_device));
if(tinyalsa_audio_device == NULL)
return -ENOMEM;
dev = &(tinyalsa_audio_device->device);
dev->common.tag = HARDWARE_DEVICE_TAG;
dev->common.version = AUDIO_DEVICE_API_VERSION_2_0;
dev->common.module = (struct hw_module_t *) module;
dev->common.close = audio_hw_close;
dev->init_check = audio_hw_init_check;
dev->set_voice_volume = audio_hw_set_voice_volume;
dev->set_master_volume = audio_hw_set_master_volume;
dev->set_mode = audio_hw_set_mode;
dev->set_mic_mute = audio_hw_set_mic_mute;
dev->get_mic_mute = audio_hw_get_mic_mute;
dev->set_parameters = audio_hw_set_parameters;
dev->get_parameters = audio_hw_get_parameters;
dev->get_input_buffer_size = audio_hw_get_input_buffer_size;
dev->open_output_stream = audio_hw_open_output_stream;
dev->close_output_stream = audio_hw_close_output_stream;
dev->open_input_stream = audio_hw_open_input_stream;
dev->close_input_stream = audio_hw_close_input_stream;
dev->dump = audio_hw_dump;
#ifdef YAMAHA_MC1N2_AUDIO
rc = yamaha_mc1n2_audio_start(&tinyalsa_audio_device->mc1n2_pdata,
YAMAHA_MC1N2_AUDIO_DEVICE);
if(rc < 0) {
ALOGE("Failed to open Yamaha-MC1N2-Audio");
goto error_device;
}
rc = yamaha_mc1n2_audio_init(tinyalsa_audio_device->mc1n2_pdata);
if(rc < 0) {
ALOGE("Failed to init Yamaha-MC1N2-Audio");
}
#endif
rc = tinyalsa_mixer_open(&tinyalsa_mixer, TINYALSA_MIXER_CONFIG_FILE);
if(rc < 0 || tinyalsa_mixer == NULL) {
ALOGE("Failed to open mixer!");
goto error_device;
}
tinyalsa_audio_device->mixer = tinyalsa_mixer;
*device = &(dev->common);
ALOGD("%s(%p, %s, %p)--", __func__, module, name, device);
return 0;
error_device:
*device = NULL;
free(tinyalsa_audio_device);
ALOGD("%s(%p, %s, %p)-- (DEVICE ERROR)", __func__, module, name, device);
return -1;
}
struct hw_module_methods_t audio_hw_module_methods = {
.open = audio_hw_open,
};
struct audio_module HAL_MODULE_INFO_SYM = {
.common = {
.tag = HARDWARE_MODULE_TAG,
.module_api_version = AUDIO_MODULE_API_VERSION_0_1,
.hal_api_version = HARDWARE_HAL_API_VERSION,
.id = AUDIO_HARDWARE_MODULE_ID,
.name = "TinyALSA-Audio",
.author = "Paul Kocialkowski",
.methods = &audio_hw_module_methods,
},
};

119
tinyalsa_audio/audio_hw.h
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@ -1,119 +0,0 @@
/*
* Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
*
* 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/>.
*/
#ifndef TINYALSA_AUDIO_HW_H
#define TINYALSA_AUDIO_HW_H
#include <hardware/hardware.h>
#include <hardware/audio.h>
#include <system/audio.h>
#include <audio_utils/resampler.h>
#ifdef YAMAHA_MC1N2_AUDIO
#include <yamaha-mc1n2-audio.h>
#endif
#include "mixer.h"
#include "audio_ril_interface.h"
struct tinyalsa_audio_stream_out {
struct audio_stream_out stream;
struct tinyalsa_audio_device *device;
struct tinyalsa_mixer_io_props *mixer_props;
int rate;
audio_channel_mask_t channel_mask;
audio_format_t format;
audio_devices_t device_current;
struct resampler_itfe *resampler;
struct pcm *pcm;
int standby;
pthread_mutex_t lock;
};
struct tinyalsa_audio_stream_in {
struct audio_stream_in stream;
struct tinyalsa_audio_device *device;
struct tinyalsa_mixer_io_props *mixer_props;
int rate;
audio_channel_mask_t channel_mask;
audio_format_t format;
audio_devices_t device_current;
struct resampler_itfe *resampler;
struct resampler_buffer_provider buffer_provider;
void *buffer;
int frames_left;
struct pcm *pcm;
int standby;
pthread_mutex_t lock;
};
struct tinyalsa_audio_device {
struct audio_hw_device device;
struct tinyalsa_audio_stream_out *stream_out;
struct tinyalsa_audio_stream_in *stream_in;
struct tinyalsa_audio_ril_interface *ril_interface;
#ifdef YAMAHA_MC1N2_AUDIO
struct yamaha_mc1n2_audio_pdata *mc1n2_pdata;
#endif
struct tinyalsa_mixer *mixer;
audio_mode_t mode;
float voice_volume;
int mic_mute;
pthread_mutex_t lock;
};
int audio_out_set_route(struct tinyalsa_audio_stream_out *stream_out,
audio_devices_t device);
void audio_hw_close_output_stream(struct audio_hw_device *dev,
struct audio_stream_out *stream);
int audio_hw_open_output_stream(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
audio_output_flags_t flags,
struct audio_config *config,
struct audio_stream_out **stream_out);
int audio_in_set_route(struct tinyalsa_audio_stream_in *stream_in,
audio_devices_t device);
void audio_hw_close_input_stream(struct audio_hw_device *dev,
struct audio_stream_in *stream);
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);
#endif

812
tinyalsa_audio/audio_in.c
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@ -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;
}

747
tinyalsa_audio/audio_out.c
View File

@ -1,747 +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 Output"
#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>
#ifdef YAMAHA_MC1N2_AUDIO
#include <yamaha-mc1n2-audio.h>
#endif
#define EFFECT_UUID_NULL EFFECT_UUID_NULL_OUT
#define EFFECT_UUID_NULL_STR EFFECT_UUID_NULL_STR_OUT
#include <audio_utils/resampler.h>
#include "audio_hw.h"
#include "mixer.h"
/*
* Functions
*/
int audio_out_pcm_open(struct tinyalsa_audio_stream_out *stream_out)
{
struct pcm *pcm = NULL;
struct pcm_config pcm_config;
if(stream_out == NULL)
return -1;
memset(&pcm_config, 0, sizeof(pcm_config));
pcm_config.channels = popcount(stream_out->mixer_props->channel_mask);
pcm_config.rate = stream_out->mixer_props->rate;
switch(stream_out->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_out->mixer_props->format);
return -1;
}
pcm_config.period_size = stream_out->mixer_props->period_size;
pcm_config.period_count = stream_out->mixer_props->period_count;
pcm = pcm_open(stream_out->mixer_props->card,
stream_out->mixer_props->device, PCM_OUT, &pcm_config);
if(pcm == NULL || !pcm_is_ready(pcm)) {
ALOGE("Unable to open pcm device: %s", pcm_get_error(pcm));
return -1;
}
stream_out->pcm = pcm;
if(stream_out->resampler != NULL)
stream_out->resampler->reset(stream_out->resampler);
return 0;
}
void audio_out_pcm_close(struct tinyalsa_audio_stream_out *stream_out)
{
if(stream_out->pcm == NULL)
return;
pcm_close(stream_out->pcm);
stream_out->pcm = NULL;
}
int audio_out_set_route(struct tinyalsa_audio_stream_out *stream_out,
audio_devices_t device)
{
int rc;
if(stream_out == NULL)
return -1;
stream_out->device_current = device;
if(device == 0) {
pthread_mutex_unlock(&stream_out->lock);
return stream_out->stream.common.standby((struct audio_stream *) stream_out);
}
tinyalsa_mixer_set_device(stream_out->device->mixer, stream_out->device_current);
#ifdef YAMAHA_MC1N2_AUDIO
yamaha_mc1n2_audio_set_route(stream_out->device->mc1n2_pdata, device);
#endif
return 0;
}
int audio_out_resampler_open(struct tinyalsa_audio_stream_out *stream_out)
{
int rc;
if(stream_out == NULL)
return -1;
rc = create_resampler(stream_out->rate,
stream_out->mixer_props->rate,
popcount(stream_out->channel_mask),
RESAMPLER_QUALITY_DEFAULT,
NULL,
&stream_out->resampler);
if(rc < 0 || stream_out->resampler == NULL) {
ALOGE("Failed to create resampler");
return -1;
}
return 0;
}
void audio_out_resampler_close(struct tinyalsa_audio_stream_out *stream_out)
{
if(stream_out == NULL)
return;
if(stream_out->resampler != NULL) {
release_resampler(stream_out->resampler);
stream_out->resampler = NULL;
}
}
int audio_out_write_process(struct tinyalsa_audio_stream_out *stream_out, 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_channels;
int size_out_channels;
void *buffer_out_channels = NULL;
int i, j;
int rc;
if(stream_out == NULL || buffer == NULL || size <= 0)
return -1;
frames_in = size / audio_stream_frame_size((struct audio_stream *) stream_out);
size_in = size;
buffer_in = buffer;
if(stream_out->resampler != NULL) {
frames_out_resampler = (frames_in * stream_out->mixer_props->rate) /
stream_out->rate;
frames_out_resampler = ((frames_out_resampler + 15) / 16) * 16;
size_out_resampler = frames_out_resampler * audio_stream_frame_size((struct audio_stream *) stream_out);
buffer_out_resampler = calloc(1, size_out_resampler);
frames_out = frames_out_resampler;
stream_out->resampler->resample_from_input(stream_out->resampler,
buffer_in, &frames_in, buffer_out_resampler, &frames_out);
frames_in = frames_out;
size_in = frames_out * audio_stream_frame_size((struct audio_stream *) stream_out);
buffer_in = buffer_out_resampler;
}
if(buffer_in == NULL)
goto error;
//FIXME: This is only for PCM 16
if(popcount(stream_out->mixer_props->channel_mask) < popcount(stream_out->channel_mask)) {
frames_out_channels = frames_in;
size_out_channels = frames_out_channels * popcount(stream_out->mixer_props->channel_mask) * audio_bytes_per_sample(stream_out->mixer_props->format);
buffer_out_channels = calloc(1, size_out_channels);
int channels_count_in = popcount(stream_out->channel_mask);
int channels_count_out = popcount(stream_out->mixer_props->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_out->channel_mask) != popcount(stream_out->mixer_props->channel_mask)) {
ALOGE("Asked for more channels than software can provide!");
goto error;
}
if(buffer_in != NULL) {
if(stream_out->pcm == NULL || !pcm_is_ready(stream_out->pcm)) {
ALOGE("pcm device is not ready");
goto error;
}
rc = pcm_write(stream_out->pcm, buffer_in, size_in);
if(rc != 0) {
ALOGE("pcm write failed!");
goto error;
}
}
if(buffer_out_resampler != NULL)
free(buffer_out_resampler);
if(buffer_out_channels != NULL)
free(buffer_out_channels);
return 0;
error:
if(buffer_out_resampler != NULL)
free(buffer_out_resampler);
if(buffer_out_channels != NULL)
free(buffer_out_channels);
return -1;
}
static uint32_t audio_out_get_sample_rate(const struct audio_stream *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
if(stream == NULL)
return 0;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
return stream_out->rate;
}
static int audio_out_set_sample_rate(struct audio_stream *stream, uint32_t rate)
{
struct tinyalsa_audio_stream_out *stream_out;
ALOGD("%s(%p, %d)", __func__, stream, rate);
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
if(stream_out->rate != (int) rate) {
pthread_mutex_lock(&stream_out->lock);
stream_out->rate = rate;
if(stream_out->rate != stream_out->mixer_props->rate) {
audio_out_resampler_close(stream_out);
audio_out_resampler_open(stream_out);
stream_out->standby = 1;
}
pthread_mutex_unlock(&stream_out->lock);
}
return 0;
}
static size_t audio_out_get_buffer_size(const struct audio_stream *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
size_t size;
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
size = (stream_out->mixer_props->period_size * stream_out->rate) /
stream_out->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_out_get_channels(const struct audio_stream *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
return stream_out->channel_mask;
}
static audio_format_t audio_out_get_format(const struct audio_stream *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
return stream_out->format;
}
static int audio_out_set_format(struct audio_stream *stream, audio_format_t format)
{
struct tinyalsa_audio_stream_out *stream_out;
//ALOGD("%s(%p, %d)", __func__, stream, format);
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
if(stream_out->format != (audio_format_t) format) {
pthread_mutex_lock(&stream_out->lock);
stream_out->format = format;
if(stream_out->format != stream_out->mixer_props->format)
stream_out->standby = 1;
pthread_mutex_unlock(&stream_out->lock);
}
return 0;
}
static int audio_out_standby(struct audio_stream *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
int rc;
//ALOGD("%s(%p)", __func__, stream);
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
pthread_mutex_lock(&stream_out->lock);
if(stream_out->pcm != NULL)
audio_out_pcm_close(stream_out);
#ifdef YAMAHA_MC1N2_AUDIO
if(!stream_out->standby) {
rc = yamaha_mc1n2_audio_output_stop(stream_out->device->mc1n2_pdata);
if(rc < 0) {
ALOGE("Failed to set Yamaha-MC1N2-Audio route");
}
}
#endif
stream_out->standby = 1;
pthread_mutex_unlock(&stream_out->lock);
return 0;
}
static int audio_out_dump(const struct audio_stream *stream, int fd)
{
//ALOGD("%s(%p, %d)", __func__, stream, fd);
return 0;
}
static int audio_out_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
struct tinyalsa_audio_stream_out *stream_out;
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_out = (struct tinyalsa_audio_stream_out *) stream;
if(stream_out->device == NULL || stream_out->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_out->device->lock);
if(stream_out->device_current != (audio_devices_t) value) {
pthread_mutex_lock(&stream_out->lock);
audio_out_set_route(stream_out, (audio_devices_t) value);
pthread_mutex_unlock(&stream_out->lock);
}
if(stream_out->device->ril_interface != NULL && stream_out->device->ril_interface->device_current != (audio_devices_t) value) {
audio_ril_interface_set_route(stream_out->device->ril_interface, (audio_devices_t) value);
}
pthread_mutex_unlock(&stream_out->device->lock);
str_parms_destroy(parms);
return 0;
error_params:
str_parms_destroy(parms);
return -1;
}
static char *audio_out_get_parameters(const struct audio_stream *stream, const char *keys)
{
//ALOGD("%s(%p, %s)", __func__, stream, keys);
return strdup("");
}
static uint32_t audio_out_get_latency(const struct audio_stream_out *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
uint32_t latency;
//ALOGD("%s(%p)", __func__, stream);
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
latency = (stream_out->mixer_props->period_size *
stream_out->mixer_props->period_count * 1000) /
stream_out->mixer_props->rate;
return latency;
}
static int audio_out_set_volume(struct audio_stream_out *stream, float left,
float right)
{
struct tinyalsa_audio_stream_out *stream_out;
float volume;
ALOGD("%s(%p, %f, %f)", __func__, stream, left, right);
if(stream == NULL)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
if(stream_out->device == NULL || stream_out->device->mixer == NULL)
return -1;
volume = (left + right) / 2;
pthread_mutex_lock(&stream_out->device->lock);
tinyalsa_mixer_set_output_volume(stream_out->device->mixer,
stream_out->device_current, volume);
pthread_mutex_unlock(&stream_out->device->lock);
return 0;
}
static ssize_t audio_out_write(struct audio_stream_out *stream,
const void *buffer, size_t bytes)
{
struct tinyalsa_audio_stream_out *stream_out;
int rc;
if(stream == NULL || buffer == NULL || bytes <= 0)
return -1;
stream_out = (struct tinyalsa_audio_stream_out *) stream;
if(stream_out->device == NULL)
return -1;
pthread_mutex_lock(&stream_out->lock);
if(stream_out->standby) {
#ifdef YAMAHA_MC1N2_AUDIO
rc = yamaha_mc1n2_audio_output_start(stream_out->device->mc1n2_pdata);
if(rc < 0) {
ALOGE("Failed to set Yamaha-MC1N2-Audio route");
}
#endif
rc = audio_out_pcm_open(stream_out);
if(rc < 0) {
ALOGE("Unable to open pcm device");
goto error;
}
stream_out->standby = 0;
}
rc = audio_out_write_process(stream_out, (void *) buffer, (int) bytes);
if(rc < 0) {
ALOGE("Process and write failed!");
goto error;
}
pthread_mutex_unlock(&stream_out->lock);
return bytes;
error:
pthread_mutex_unlock(&stream_out->lock);
return -1;
}
static int audio_out_get_render_position(const struct audio_stream_out *stream,
uint32_t *dsp_frames)
{
//ALOGD("%s(%p, %p)", __func__, stream, dsp_frames);
return -EINVAL;
}
static int audio_out_add_audio_effect(const struct audio_stream *stream, effect_handle_t effect)
{
//ALOGD("%s(%p, %p)", __func__, stream, effect);
return 0;
}
static int audio_out_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_output_stream(struct audio_hw_device *dev,
struct audio_stream_out *stream)
{
struct tinyalsa_audio_stream_out *stream_out;
struct tinyalsa_audio_device *tinyalsa_audio_device;
ALOGD("%s(%p)", __func__, stream);
stream_out = (struct tinyalsa_audio_stream_out *) stream;
if(stream_out != NULL && stream_out->resampler != NULL)
audio_out_resampler_close(stream_out);
#ifdef YAMAHA_MC1N2_AUDIO
if(stream_out != NULL && !stream_out->standby)
yamaha_mc1n2_audio_output_stop(stream_out->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_output_state(tinyalsa_audio_device->mixer, 0);
tinyalsa_audio_device->stream_out = NULL;
pthread_mutex_unlock(&tinyalsa_audio_device->lock);
}
int audio_hw_open_output_stream(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
audio_output_flags_t flags,
struct audio_config *config,
struct audio_stream_out **stream_out)
{
struct tinyalsa_audio_device *tinyalsa_audio_device;
struct tinyalsa_audio_stream_out *tinyalsa_audio_stream_out;
struct audio_stream_out *stream;
int rc;
ALOGD("%s(%p, %d, %p, %p)",
__func__, dev, devices, config, stream_out);
if(dev == NULL || config == NULL || stream_out == NULL)
return -EINVAL;
//tuna added this for JB... but does it apply to us?
*stream_out = NULL;
tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
tinyalsa_audio_stream_out = calloc(1, sizeof(struct tinyalsa_audio_stream_out));
if(tinyalsa_audio_stream_out == NULL)
return -ENOMEM;
tinyalsa_audio_stream_out->device = tinyalsa_audio_device;
tinyalsa_audio_device->stream_out = tinyalsa_audio_stream_out;
stream = &(tinyalsa_audio_stream_out->stream);
stream->common.get_sample_rate = audio_out_get_sample_rate;
stream->common.set_sample_rate = audio_out_set_sample_rate;
stream->common.get_buffer_size = audio_out_get_buffer_size;
stream->common.get_channels = audio_out_get_channels;
stream->common.get_format = audio_out_get_format;
stream->common.set_format = audio_out_set_format;
stream->common.standby = audio_out_standby;
stream->common.dump = audio_out_dump;
stream->common.set_parameters = audio_out_set_parameters;
stream->common.get_parameters = audio_out_get_parameters;
stream->common.add_audio_effect = audio_out_add_audio_effect;
stream->common.remove_audio_effect = audio_out_remove_audio_effect;
stream->get_latency = audio_out_get_latency;
stream->set_volume = audio_out_set_volume;
stream->write = audio_out_write;
stream->get_render_position = audio_out_get_render_position;
if(tinyalsa_audio_device->mixer == NULL)
goto error_stream;
tinyalsa_audio_stream_out->mixer_props =
tinyalsa_mixer_get_output_props(tinyalsa_audio_device->mixer);
if(tinyalsa_audio_stream_out->mixer_props == NULL)
goto error_stream;
// Default values
if(tinyalsa_audio_stream_out->mixer_props->rate == 0)
tinyalsa_audio_stream_out->mixer_props->rate = 44100;
if(tinyalsa_audio_stream_out->mixer_props->channel_mask == 0)
tinyalsa_audio_stream_out->mixer_props->channel_mask = AUDIO_CHANNEL_OUT_STEREO;
if(tinyalsa_audio_stream_out->mixer_props->format == 0)
tinyalsa_audio_stream_out->mixer_props->format = AUDIO_FORMAT_PCM_16_BIT;
//Default incoming data will always be 44100Hz, stereo, PCM 16
if(config->sample_rate == 0)
tinyalsa_audio_stream_out->rate = 44100;
else
tinyalsa_audio_stream_out->rate = config->sample_rate;
if(config->channel_mask == 0)
tinyalsa_audio_stream_out->channel_mask = AUDIO_CHANNEL_OUT_STEREO;
else
tinyalsa_audio_stream_out->channel_mask = config->channel_mask;
if(config->format == 0)
tinyalsa_audio_stream_out->format = AUDIO_FORMAT_PCM_16_BIT;
else
tinyalsa_audio_stream_out->format = config->format;
if(tinyalsa_audio_stream_out->rate != tinyalsa_audio_stream_out->mixer_props->rate) {
rc = audio_out_resampler_open(tinyalsa_audio_stream_out);
if(rc < 0) {
ALOGE("Unable to open resampler!");
goto error_stream;
}
}
config->sample_rate = (uint32_t) tinyalsa_audio_stream_out->rate;
config->channel_mask = (uint32_t) tinyalsa_audio_stream_out->channel_mask;
config->format = (uint32_t) tinyalsa_audio_stream_out->format;
pthread_mutex_lock(&tinyalsa_audio_device->lock);
rc = tinyalsa_mixer_set_output_state(tinyalsa_audio_device->mixer, 1);
if(rc < 0) {
ALOGE("Unable to set output state");
pthread_mutex_unlock(&tinyalsa_audio_device->lock);
goto error_stream;
}
pthread_mutex_lock(&tinyalsa_audio_stream_out->lock);
audio_out_set_route(tinyalsa_audio_stream_out, devices);
pthread_mutex_unlock(&tinyalsa_audio_device->lock);
rc = audio_out_pcm_open(tinyalsa_audio_stream_out);
if(rc < 0) {
ALOGE("Unable to open pcm device");
pthread_mutex_unlock(&tinyalsa_audio_stream_out->lock);
goto error_stream;
}
audio_out_pcm_close(tinyalsa_audio_stream_out);
tinyalsa_audio_stream_out->standby = 1;
pthread_mutex_unlock(&tinyalsa_audio_stream_out->lock);
*stream_out = stream;
return 0;
error_stream:
free(tinyalsa_audio_stream_out);
tinyalsa_audio_device->stream_out = NULL;
return -1;
}

375
tinyalsa_audio/audio_ril_interface.c
View File

@ -1,375 +0,0 @@
/*
* Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
*
* 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 RIL Interface"
#include <stdlib.h>
#include <errno.h>
#include <pthread.h>
#include <stdint.h>
#include <dlfcn.h>
#include <sys/time.h>
#include <cutils/log.h>
#include <cutils/properties.h>
#define EFFECT_UUID_NULL EFFECT_UUID_NULL_RIL
#define EFFECT_UUID_NULL_STR EFFECT_UUID_NULL_STR_RIL
#include "audio_hw.h"
#include "audio_ril_interface.h"
/* Function pointers */
void *(*_ril_open_client)(void);
int (*_ril_close_client)(void *);
int (*_ril_connect)(void *);
int (*_ril_is_connected)(void *);
int (*_ril_disconnect)(void *);
int (*_ril_set_call_volume)(void *, enum ril_sound_type, int);
int (*_ril_set_call_audio_path)(void *, enum ril_audio_path);
int (*_ril_set_call_clock_sync)(void *, enum ril_clock_state);
int (*_ril_set_call_twomic)(void *, enum ril_twomic_device, enum ril_twomic_enable);
int (*_ril_set_mic_mute)(void *, enum ril_mic_mute);
int (*_ril_register_unsolicited_handler)(void *, int, void *);
int (*_ril_get_wb_amr)(void *, void *);
#define VOLUME_STEPS_DEFAULT "5"
#define VOLUME_STEPS_PROPERTY "ro.config.vc_call_vol_steps"
static int audio_ril_interface_connect_if_required(struct tinyalsa_audio_ril_interface *ril_interface)
{
if (_ril_is_connected(ril_interface->interface))
return 0;
if (_ril_connect(ril_interface->interface) != RIL_CLIENT_ERR_SUCCESS) {
ALOGE("ril_connect() failed");
return -1;
}
/* get wb amr status to set pcm samplerate depending on
wb amr status when ril is connected. */
/* FIXME: AMR */
#if 0
if(_ril_get_wb_amr)
_ril_get_wb_amr(ril_interface->client, ril_set_wb_amr_callback);
#endif
return 0;
}
int audio_ril_interface_set_voice_volume(struct tinyalsa_audio_ril_interface *ril_interface,
audio_devices_t device, float volume)
{
int rc;
enum ril_sound_type sound_type;
if(ril_interface == NULL)
return -1;
ALOGD("%s(%d, %f)", __func__, device, volume);
pthread_mutex_lock(&ril_interface->lock);
/* Should this be returning -1 when a failure occurs? */
if (audio_ril_interface_connect_if_required(ril_interface))
return 0;
if(_ril_set_call_volume == NULL)
goto error;
switch((int) device) {
case AUDIO_DEVICE_OUT_EARPIECE:
sound_type = SOUND_TYPE_VOICE;
break;
case AUDIO_DEVICE_OUT_SPEAKER:
sound_type = SOUND_TYPE_SPEAKER;
break;
case AUDIO_DEVICE_OUT_WIRED_HEADSET:
case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
sound_type = SOUND_TYPE_HEADSET;
break;
case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
sound_type = SOUND_TYPE_BTVOICE;
break;
default:
sound_type = SOUND_TYPE_VOICE;
break;
}
rc = _ril_set_call_volume(ril_interface->interface, sound_type,
(int)(volume * ril_interface->volume_steps_max));
if(rc < 0) {
ALOGE("Failed to set RIL interface voice volume");
goto error;
}
pthread_mutex_unlock(&ril_interface->lock);
return 0;
error:
pthread_mutex_unlock(&ril_interface->lock);
return -1;
}
int audio_ril_interface_set_route(struct tinyalsa_audio_ril_interface *ril_interface, audio_devices_t device)
{
int rc;
enum ril_audio_path path;
ALOGD("%s(%d)", __func__, device);
if(ril_interface == NULL)
return -1;
pthread_mutex_lock(&ril_interface->lock);
/* Should this be returning -1 when a failure occurs? */
if (audio_ril_interface_connect_if_required(ril_interface))
return 0;
ril_interface->device_current = device;
if(_ril_set_call_audio_path == NULL)
goto error;
switch((int) device) {
case AUDIO_DEVICE_OUT_EARPIECE:
path = SOUND_AUDIO_PATH_HANDSET;
break;
case AUDIO_DEVICE_OUT_SPEAKER:
path = SOUND_AUDIO_PATH_SPEAKER;
break;
case AUDIO_DEVICE_OUT_WIRED_HEADSET:
path = SOUND_AUDIO_PATH_HEADSET;
break;
case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
path = SOUND_AUDIO_PATH_HEADPHONE;
break;
// FIXME: Bluetooth values/path relation
case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
path = SOUND_AUDIO_PATH_BLUETOOTH;
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
path = SOUND_AUDIO_PATH_BLUETOOTH_NO_NR;
break;
default:
path = SOUND_AUDIO_PATH_HANDSET;
break;
}
rc = _ril_set_call_audio_path(ril_interface->interface,path);
if(rc < 0) {
ALOGE("Failed to set RIL interface route");
goto error;
}
pthread_mutex_unlock(&ril_interface->lock);
return 0;
error:
pthread_mutex_unlock(&ril_interface->lock);
return -1;
}
int audio_ril_interface_set_mic_mute(struct tinyalsa_audio_ril_interface *ril_interface, enum ril_mic_mute state)
{
if (audio_ril_interface_connect_if_required(ril_interface))
return 0;
return _ril_set_mic_mute(ril_interface->interface, state);
}
int audio_ril_interface_set_twomic(struct tinyalsa_audio_ril_interface *ril_interface, enum ril_twomic_enable twomic)
{
int rc;
ALOGD("%s(%d)", __func__, twomic);
if(ril_interface == NULL)
return -1;
pthread_mutex_lock(&ril_interface->lock);
/* Should this be returning -1 when a failure occurs? */
if (audio_ril_interface_connect_if_required(ril_interface))
return 0;
if(_ril_set_call_twomic == NULL)
goto error;
rc = _ril_set_call_twomic(ril_interface->interface,AUDIENCE,twomic);
if(rc < 0) {
ALOGE("Failed to set RIL interface route");
goto error;
}
pthread_mutex_unlock(&ril_interface->lock);
return 0;
error:
pthread_mutex_unlock(&ril_interface->lock);
return -1;
}
/*
* Interface
*/
void audio_ril_interface_close(struct audio_hw_device *dev,
struct tinyalsa_audio_ril_interface *ril_interface)
{
struct tinyalsa_audio_device *tinyalsa_audio_device;
ALOGD("%s(%p)", __func__, ril_interface);
if(ril_interface->dl_handle != NULL) {
if ((_ril_disconnect(ril_interface->interface) != RIL_CLIENT_ERR_SUCCESS) ||
(_ril_close_client(ril_interface->interface) != RIL_CLIENT_ERR_SUCCESS)) {
ALOGE("ril_disconnect() or ril_close_client() failed");
return;
}
dlclose(ril_interface->dl_handle);
ril_interface->dl_handle = NULL;
}
if(ril_interface != NULL)
free(ril_interface);
if(dev == NULL)
return;
tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
tinyalsa_audio_device->ril_interface = NULL;
}
int audio_ril_interface_open(struct audio_hw_device *dev, audio_devices_t device,
struct tinyalsa_audio_ril_interface **ril_interface)
{
struct audio_ril_interface *(*audio_ril_interface_open)(void);
struct tinyalsa_audio_device *tinyalsa_audio_device;
struct tinyalsa_audio_ril_interface *tinyalsa_audio_ril_interface;
struct audio_ril_interface *interface;
void *dl_handle;
int rc;
char property[PROPERTY_VALUE_MAX];
ALOGD("%s(%p, %d, %p)", __func__, dev, device, ril_interface);
if(dev == NULL || ril_interface == NULL)
return -EINVAL;
tinyalsa_audio_device = (struct tinyalsa_audio_device *) dev;
tinyalsa_audio_ril_interface = calloc(1, sizeof(struct tinyalsa_audio_ril_interface));
if(tinyalsa_audio_ril_interface == NULL)
return -ENOMEM;
tinyalsa_audio_ril_interface->device = tinyalsa_audio_device;
tinyalsa_audio_device->ril_interface = tinyalsa_audio_ril_interface;
dl_handle = dlopen(RIL_CLIENT_LIBPATH, RTLD_NOW);
if(dl_handle == NULL) {
ALOGE("Unable to dlopen lib: %s", RIL_CLIENT_LIBPATH);
goto error_interface;
}
_ril_open_client = dlsym(dl_handle, "OpenClient_RILD");
_ril_close_client = dlsym(dl_handle, "CloseClient_RILD");
_ril_connect = dlsym(dl_handle, "Connect_RILD");
_ril_is_connected = dlsym(dl_handle, "isConnected_RILD");
_ril_disconnect = dlsym(dl_handle, "Disconnect_RILD");
_ril_set_call_volume = dlsym(dl_handle, "SetCallVolume");
_ril_set_call_audio_path = dlsym(dl_handle, "SetCallAudioPath");
_ril_set_call_clock_sync = dlsym(dl_handle, "SetCallClockSync");
_ril_set_call_twomic = dlsym(dl_handle, "SetTwoMicControl");
_ril_set_mic_mute = dlsym(dl_handle, "SetMute");
_ril_register_unsolicited_handler = dlsym(dl_handle,
"RegisterUnsolicitedHandler");
/* since this function is not supported in all RILs, don't require it */
_ril_get_wb_amr = dlsym(dl_handle, "GetWB_AMR");
if (!_ril_open_client || !_ril_close_client || !_ril_connect ||
!_ril_is_connected || !_ril_disconnect || !_ril_set_call_volume ||
!_ril_set_call_audio_path || !_ril_set_mic_mute ||
!_ril_set_call_clock_sync ||
!_ril_register_unsolicited_handler || !_ril_set_call_twomic) {
ALOGE("Cannot get symbols from '%s'", RIL_CLIENT_LIBPATH);
dlclose(dl_handle);
goto error_interface;
}
interface = _ril_open_client();
if(interface == NULL) {
ALOGE("Unable to open audio ril interface");
goto error_interface;
}
tinyalsa_audio_ril_interface->interface = interface;
tinyalsa_audio_ril_interface->dl_handle = dl_handle;
property_get(VOLUME_STEPS_PROPERTY, property, VOLUME_STEPS_DEFAULT);
tinyalsa_audio_ril_interface->volume_steps_max = atoi(property);
/* this catches the case where VOLUME_STEPS_PROPERTY does not contain
an integer */
if (tinyalsa_audio_ril_interface->volume_steps_max == 0)
tinyalsa_audio_ril_interface->volume_steps_max = atoi(VOLUME_STEPS_DEFAULT);
if(device) {
tinyalsa_audio_ril_interface->device_current = device;
audio_ril_interface_set_route(tinyalsa_audio_ril_interface, device);
}
*ril_interface = tinyalsa_audio_ril_interface;
return 0;
error_interface:
*ril_interface = NULL;
free(tinyalsa_audio_ril_interface);
tinyalsa_audio_device->ril_interface = NULL;
if(dl_handle != NULL)
dlclose(dl_handle);
return -1;
}

102
tinyalsa_audio/audio_ril_interface.h
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@ -1,102 +0,0 @@
/*
* Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
*
* 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/>.
*/
#include "audio_hw.h"
#ifndef TINYALSA_AUDIO_RIL_INTERFACE_H
#define TINYALSA_AUDIO_RIL_INTERFACE_H
struct tinyalsa_audio_ril_interface {
void *interface;
struct tinyalsa_audio_device *device;
int volume_steps_max;
void *dl_handle;
audio_devices_t device_current;
pthread_mutex_t lock;
};
#define RIL_CLIENT_LIBPATH "libsecril-client.so"
#define RIL_CLIENT_ERR_SUCCESS 0
#define RIL_CLIENT_ERR_AGAIN 1
#define RIL_CLIENT_ERR_INIT 2 // Client is not initialized
#define RIL_CLIENT_ERR_INVAL 3 // Invalid value
#define RIL_CLIENT_ERR_CONNECT 4 // Connection error
#define RIL_CLIENT_ERR_IO 5 // IO error
#define RIL_CLIENT_ERR_RESOURCE 6 // Resource not available
#define RIL_CLIENT_ERR_UNKNOWN 7
enum ril_sound_type {
SOUND_TYPE_VOICE,
SOUND_TYPE_SPEAKER,
SOUND_TYPE_HEADSET,
SOUND_TYPE_BTVOICE
};
enum ril_audio_path {
SOUND_AUDIO_PATH_HANDSET,
SOUND_AUDIO_PATH_HEADSET,
SOUND_AUDIO_PATH_SPEAKER,
SOUND_AUDIO_PATH_BLUETOOTH,
SOUND_AUDIO_PATH_BLUETOOTH_NO_NR,
SOUND_AUDIO_PATH_HEADPHONE
};
enum ril_clock_state {
SOUND_CLOCK_STOP,
SOUND_CLOCK_START
};
/**
* Two mic Solution control
* Two MIC Solution Device
*/
enum ril_twomic_device {
AUDIENCE,
FORTEMEDIA
};
/**
* Two MIC Solution Report
*/
enum ril_twomic_enable {
TWO_MIC_SOLUTION_OFF,
TWO_MIC_SOLUTION_ON
};
enum ril_mic_mute {
MIC_UNMUTE,
MIC_MUTE
};
int audio_ril_interface_set_mic_mute(struct tinyalsa_audio_ril_interface *ril_interface, enum ril_mic_mute);
int audio_ril_interface_set_voice_volume(struct tinyalsa_audio_ril_interface *ril_interface, audio_devices_t device, float volume);
int audio_ril_interface_set_route(struct tinyalsa_audio_ril_interface *ril_interface, audio_devices_t device);
int audio_ril_interface_set_twomic(struct tinyalsa_audio_ril_interface *ril_interface, enum ril_twomic_enable);
void audio_ril_interface_close(struct audio_hw_device *dev,
struct tinyalsa_audio_ril_interface *interface);
int audio_ril_interface_open(struct audio_hw_device *dev, audio_devices_t device,
struct tinyalsa_audio_ril_interface **ril_interface);
#endif

1349
tinyalsa_audio/mixer.c
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125
tinyalsa_audio/mixer.h
View File

@ -1,125 +0,0 @@
/*
* Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
*
* 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/>.
*/
#ifndef TINYALSA_AUDIO_MIXER_H
#define TINYALSA_AUDIO_MIXER_H
#include <tinyalsa/asoundlib.h>
#include <hardware/audio.h>
#include <system/audio.h>
#define TINYALSA_MIXER_CONFIG_FILE "/system/etc/tinyalsa-audio.xml"
struct list_head {
struct list_head *prev;
struct list_head *next;
void *data;
};
enum tinyalsa_mixer_data_type {
MIXER_DATA_TYPE_CTRL,
MIXER_DATA_TYPE_WRITE,
MIXER_DATA_TYPE_MAX
};
struct tinyalsa_mixer_data {
enum tinyalsa_mixer_data_type type;
char *name;
char *value;
char *attr;
};
struct tinyalsa_mixer_device_props {
audio_devices_t type;
};
struct tinyalsa_mixer_device {
struct tinyalsa_mixer_device_props props;
struct list_head *enable;
struct list_head *disable;
};
struct tinyalsa_mixer_io_props {
int card;
int device;
int rate;
audio_channel_mask_t channel_mask;
audio_format_t format;
int period_size;
int period_count;
};
struct tinyalsa_mixer_io {
struct tinyalsa_mixer_io_props props;
struct tinyalsa_mixer_device *device_current;
struct list_head *devices;
int state;
};
struct tinyalsa_mixer {
struct tinyalsa_mixer_io output;
struct tinyalsa_mixer_io input;
struct tinyalsa_mixer_io modem;
struct mixer *mixer;
};
enum tinyalsa_mixer_direction {
TINYALSA_MIXER_DIRECTION_OUTPUT,
TINYALSA_MIXER_DIRECTION_INPUT,
TINYALSA_MIXER_DIRECTION_MODEM,
TINYALSA_MIXER_DIRECTION_MAX
};
struct tinyalsa_mixer_config_data {
struct tinyalsa_mixer *mixer;
struct tinyalsa_mixer_io_props io_props;
struct tinyalsa_mixer_device_props device_props;
enum tinyalsa_mixer_direction direction;
struct tinyalsa_mixer_device *device;
struct list_head **list_start;
struct list_head *list;
};
int tinyalsa_mixer_set_output_state(struct tinyalsa_mixer *mixer, int state);
int tinyalsa_mixer_set_input_state(struct tinyalsa_mixer *mixer, int state);
int tinyalsa_mixer_set_modem_state(struct tinyalsa_mixer *mixer, int state);
int tinyalsa_mixer_set_device(struct tinyalsa_mixer *mixer, audio_devices_t device);
int tinyalsa_mixer_set_output_volume(struct tinyalsa_mixer *mixer,
audio_devices_t device, float volume);
int tinyalsa_mixer_set_master_volume(struct tinyalsa_mixer *mixer, float volume);
int tinyalsa_mixer_set_mic_mute(struct tinyalsa_mixer *mixer,
audio_devices_t device, int mute);
int tinyalsa_mixer_set_input_gain(struct tinyalsa_mixer *mixer,
audio_devices_t device, float gain);
int tinyalsa_mixer_set_voice_volume(struct tinyalsa_mixer *mixer,
audio_devices_t device, float volume);
struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_output_props(struct tinyalsa_mixer *mixer);
struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_input_props(struct tinyalsa_mixer *mixer);
struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_modem_props(struct tinyalsa_mixer *mixer);
void tinyalsa_mixer_close(struct tinyalsa_mixer *mixer);
int tinyalsa_mixer_open(struct tinyalsa_mixer **mixer_p, char *config_file);
#endif