diff options
Diffstat (limited to 'tinyalsa_audio')
| -rw-r--r-- | tinyalsa_audio/Android.mk | 73 | ||||
| -rw-r--r-- | tinyalsa_audio/audio_hw.c | 534 | ||||
| -rw-r--r-- | tinyalsa_audio/audio_hw.h | 119 | ||||
| -rw-r--r-- | tinyalsa_audio/audio_in.c | 812 | ||||
| -rw-r--r-- | tinyalsa_audio/audio_out.c | 747 | ||||
| -rw-r--r-- | tinyalsa_audio/audio_ril_interface.c | 374 | ||||
| -rw-r--r-- | tinyalsa_audio/audio_ril_interface.h | 95 | ||||
| -rw-r--r-- | tinyalsa_audio/mixer.c | 1318 | ||||
| -rw-r--r-- | tinyalsa_audio/mixer.h | 126 |
9 files changed, 4198 insertions, 0 deletions
diff --git a/tinyalsa_audio/Android.mk b/tinyalsa_audio/Android.mk new file mode 100644 index 0000000..61ea089 --- /dev/null +++ b/tinyalsa_audio/Android.mk @@ -0,0 +1,73 @@ +# 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 + LOCAL_C_INCLUDES += $(LOCAL_PATH)/../yamaha-mc1n2-audio/include + LOCAL_SHARED_LIBRARIES += libyamaha-mc1n2-audio + +#this really needs to get cleaned up to properly inherit from -common + ifeq ($(TARGET_DEVICE),n7000) + LOCAL_CFLAGS += -DYAMAHA_MC1N2_AUDIO_DEVICE=\"galaxys2\" + endif + + ifeq ($(TARGET_DEVICE),i9100) + LOCAL_CFLAGS += -DYAMAHA_MC1N2_AUDIO_DEVICE=\"galaxys2\" + endif + + ifeq ($(TARGET_DEVICE),i777) + LOCAL_CFLAGS += -DYAMAHA_MC1N2_AUDIO_DEVICE=\"galaxys2\" + endif + +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 diff --git a/tinyalsa_audio/audio_hw.c b/tinyalsa_audio/audio_hw.c new file mode 100644 index 0000000..45ab3a2 --- /dev/null +++ b/tinyalsa_audio/audio_hw.c @@ -0,0 +1,534 @@ +/* + * 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 uint32_t audio_hw_get_supported_devices(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 (uint32_t) tinyalsa_mixer_get_supported_devices(device->mixer); +} + +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_1_0; + dev->common.module = (struct hw_module_t *) module; + dev->common.close = audio_hw_close; + + dev->get_supported_devices = audio_hw_get_supported_devices; + 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, + }, +}; diff --git a/tinyalsa_audio/audio_hw.h b/tinyalsa_audio/audio_hw.h new file mode 100644 index 0000000..903d202 --- /dev/null +++ b/tinyalsa_audio/audio_hw.h @@ -0,0 +1,119 @@ +/* + * 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 diff --git a/tinyalsa_audio/audio_in.c b/tinyalsa_audio/audio_in.c new file mode 100644 index 0000000..94d5c51 --- /dev/null +++ b/tinyalsa_audio/audio_in.c @@ -0,0 +1,812 @@ +/* + * 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 uint32_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; +} diff --git a/tinyalsa_audio/audio_out.c b/tinyalsa_audio/audio_out.c new file mode 100644 index 0000000..fc6753e --- /dev/null +++ b/tinyalsa_audio/audio_out.c @@ -0,0 +1,747 @@ +/* + * 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 uint32_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; +} diff --git a/tinyalsa_audio/audio_ril_interface.c b/tinyalsa_audio/audio_ril_interface.c new file mode 100644 index 0000000..2fc14c5 --- /dev/null +++ b/tinyalsa_audio/audio_ril_interface.c @@ -0,0 +1,374 @@ +/* + * 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_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_mic_mute(struct tinyalsa_audio_ril_interface *ril_interface, bool state) +{ + /* + * If you look at the Replicant libaudio-ril-interface + * this function is just stubbed out there. So let's not + * bother with it + */ + 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_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_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_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; +} diff --git a/tinyalsa_audio/audio_ril_interface.h b/tinyalsa_audio/audio_ril_interface.h new file mode 100644 index 0000000..59eb967 --- /dev/null +++ b/tinyalsa_audio/audio_ril_interface.h @@ -0,0 +1,95 @@ +/* + * 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 +}; + +int audio_ril_interface_set_mic_mute(struct tinyalsa_audio_ril_interface *ril_interface, bool state); +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 diff --git a/tinyalsa_audio/mixer.c b/tinyalsa_audio/mixer.c new file mode 100644 index 0000000..151ce12 --- /dev/null +++ b/tinyalsa_audio/mixer.c @@ -0,0 +1,1318 @@ +/* + * 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 Mixer" + +#include <errno.h> +#include <pthread.h> +#include <stdint.h> +#include <sys/time.h> + +#include <cutils/log.h> + +#include <expat.h> + +#define EFFECT_UUID_NULL EFFECT_UUID_NULL_MIXER +#define EFFECT_UUID_NULL_STR EFFECT_UUID_NULL_STR_MIXER +#include "audio_hw.h" +#include "mixer.h" + +/* + * List + */ + +struct list_head *list_head_alloc(void) +{ + struct list_head *list = (struct list_head *) + calloc(1, sizeof(struct list_head)); + + return list; +} + +void list_head_free(struct list_head *list) +{ + struct list_head *list_prev; + + while(list != NULL) { + list_prev = list; + list = list->next; + + free(list_prev); + } +} + +/* + * Mixer data + */ + +struct tinyalsa_mixer_data *tinyalsa_mixer_data_alloc(void) +{ + struct tinyalsa_mixer_data *mixer_data = (struct tinyalsa_mixer_data *) + calloc(1, sizeof(struct tinyalsa_mixer_data)); + + return mixer_data; +} + +void tinyalsa_mixer_data_free(struct tinyalsa_mixer_data *mixer_data) +{ + if(mixer_data == NULL) + return; + + if(mixer_data->name != NULL) { + free(mixer_data->name); + mixer_data->name = NULL; + } + + if(mixer_data->value != NULL) { + free(mixer_data->value); + mixer_data->value = NULL; + } + + if(mixer_data->attr != NULL) { + free(mixer_data->attr); + mixer_data->attr = NULL; + } + + free(mixer_data); +} + +struct tinyalsa_mixer_data *tinyalsa_mixer_get_data_with_attr( + struct list_head *list_data, char *attr) +{ + struct tinyalsa_mixer_data *mixer_data = NULL; + + while(list_data != NULL) { + mixer_data = (struct tinyalsa_mixer_data *) list_data->data; + + if(mixer_data->type == MIXER_DATA_TYPE_CTRL) { + if(mixer_data->attr != NULL && + strcmp(mixer_data->attr, attr) == 0) { + break; + } else { + mixer_data = NULL; + } + + } + + if(list_data->next != NULL) + list_data = list_data->next; + else + break; + } + + return mixer_data; +} + +/* + * Mixer device + */ + +struct tinyalsa_mixer_device *tinyalsa_mixer_device_alloc(void) +{ + struct tinyalsa_mixer_device *mixer_device = (struct tinyalsa_mixer_device *) + calloc(1, sizeof(struct tinyalsa_mixer_device)); + + return mixer_device; +} + +void tinyalsa_mixer_device_free(struct tinyalsa_mixer_device *mixer_device) +{ + struct tinyalsa_mixer_data *mixer_data; + struct list_head *list_data; + struct list_head *list_prev; + + if(mixer_device == NULL) + return; + + list_data = mixer_device->enable; + + while(list_data != NULL) { + mixer_data = (struct tinyalsa_mixer_data *) list_data->data; + + tinyalsa_mixer_data_free(mixer_data); + list_data->data = NULL; + + list_prev = list_data; + list_data = list_data->next; + + list_head_free(list_prev); + } + + list_data = mixer_device->disable; + + while(list_data != NULL) { + mixer_data = (struct tinyalsa_mixer_data *) list_data->data; + + tinyalsa_mixer_data_free(mixer_data); + list_data->data = NULL; + + list_prev = list_data; + list_data = list_data->next; + + list_head_free(list_prev); + } + + mixer_device->enable = NULL; + mixer_device->disable = NULL; + + free(mixer_device); +} + +struct tinyalsa_mixer_device *tinyalsa_mixer_get_device(struct tinyalsa_mixer_io *mixer_io, + audio_devices_t device) +{ + struct tinyalsa_mixer_device *mixer_device = NULL; + struct list_head *list = NULL; + + if(mixer_io == NULL) + return NULL; + + list = mixer_io->devices; + + while(list != NULL) { + mixer_device = (struct tinyalsa_mixer_device *) list->data; + if(mixer_device != NULL && mixer_device->props.type == device) { + break; + } else { + mixer_device = NULL; + } + + list = list->next; + } + + return mixer_device; +} + +/* + * Mixer I/O + */ + +void tinyalsa_mixer_io_free_devices(struct tinyalsa_mixer_io *mixer_io) +{ + struct tinyalsa_mixer_device *mixer_device; + struct list_head *list_device; + struct list_head *list_prev; + + if(mixer_io == NULL) + return; + + list_device = mixer_io->devices; + + while(list_device != NULL) { + mixer_device = (struct tinyalsa_mixer_device *) list_device->data; + + tinyalsa_mixer_device_free(mixer_device); + list_device->data = NULL; + + list_prev = list_device; + list_device = list_device->next; + + list_head_free(list_prev); + } +} + +/* + * Mixer config + */ + +void tinyalsa_mixer_config_start(void *data, const XML_Char *elem, + const XML_Char **attr) +{ + struct tinyalsa_mixer_config_data *config_data; + struct tinyalsa_mixer_data *mixer_data; + struct list_head *list; + int i; + + if(data == NULL || elem == NULL || attr == NULL) + return; + + config_data = (struct tinyalsa_mixer_config_data *) data; + + if(strcmp(elem, "tinyalsa-audio") == 0) { + for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) { + if(strcmp(attr[i], "device") == 0) { + i++; + ALOGD("Parsing config for device: %s", attr[i]); + } + } + } else if(strcmp(elem, "output") == 0) { + config_data->direction = TINYALSA_MIXER_DIRECTION_OUTPUT; + + for(i=0 ; attr[i] != NULL && attr[i+1] ; i++) { + if(strcmp(attr[i], "card") == 0) { + i++; + config_data->io_props.card = atoi(attr[i]); + } else if(strcmp(attr[i], "device") == 0) { + i++; + config_data->io_props.device = atoi(attr[i]); + } else if(strcmp(attr[i], "rate") == 0) { + i++; + config_data->io_props.rate = atoi(attr[i]); + } else if(strcmp(attr[i], "channels") == 0) { + i++; + switch(atoi(attr[i])) { + case 1: + config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_MONO; + break; + case 2: + config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_STEREO; + break; + case 4: + config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_SURROUND; + break; + case 6: + config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_5POINT1; + break; + case 8: + config_data->io_props.channel_mask = AUDIO_CHANNEL_OUT_7POINT1; + break; + default: + ALOGE("Unknown channel attr: %s", attr[i]); + break; + } + } else if(strcmp(attr[i], "format") == 0) { + i++; + if(strcmp(attr[i], "PCM_8") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_8_BIT; + } else if(strcmp(attr[i], "PCM_16") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_16_BIT; + } else if(strcmp(attr[i], "PCM_32") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_32_BIT; + } else if(strcmp(attr[i], "PCM_8_24") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_8_24_BIT; + } else { + ALOGE("Unknown format attr: %s", attr[i]); + } + } else if(strcmp(attr[i], "period_size") == 0) { + i++; + config_data->io_props.period_size = atoi(attr[i]); + } else if(strcmp(attr[i], "period_count") == 0) { + i++; + config_data->io_props.period_count = atoi(attr[i]); + } else { + ALOGE("Unknown output attr: %s", attr[i]); + } + } + } else if(strcmp(elem, "input") == 0) { + config_data->direction = TINYALSA_MIXER_DIRECTION_INPUT; + + for(i=0 ; attr[i] != NULL && attr[i+1] ; i++) { + if(strcmp(attr[i], "card") == 0) { + i++; + config_data->io_props.card = atoi(attr[i]); + } else if(strcmp(attr[i], "device") == 0) { + i++; + config_data->io_props.device = atoi(attr[i]); + } else if(strcmp(attr[i], "rate") == 0) { + i++; + config_data->io_props.rate = atoi(attr[i]); + } else if(strcmp(attr[i], "channels") == 0) { + i++; + switch(atoi(attr[i])) { + case 1: + config_data->io_props.channel_mask = AUDIO_CHANNEL_IN_MONO; + break; + case 2: + config_data->io_props.channel_mask = AUDIO_CHANNEL_IN_STEREO; + break; + default: + ALOGE("Unknown channel attr: %s", attr[i]); + break; + } + } else if(strcmp(attr[i], "format") == 0) { + i++; + if(strcmp(attr[i], "PCM_8") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_8_BIT; + } else if(strcmp(attr[i], "PCM_16") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_16_BIT; + } else if(strcmp(attr[i], "PCM_32") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_32_BIT; + } else if(strcmp(attr[i], "PCM_8_24") == 0) { + config_data->io_props.format = AUDIO_FORMAT_PCM_8_24_BIT; + } else { + ALOGE("Unknown format attr: %s", attr[i]); + } + } else if(strcmp(attr[i], "period_size") == 0) { + i++; + config_data->io_props.period_size = atoi(attr[i]); + } else if(strcmp(attr[i], "period_count") == 0) { + i++; + config_data->io_props.period_count = atoi(attr[i]); + } else { + ALOGE("Unknown input attr: %s", attr[i]); + } + } + } else if(strcmp(elem, "modem") == 0) { + config_data->direction = TINYALSA_MIXER_DIRECTION_MODEM; + + for(i=0 ; attr[i] != NULL && attr[i+1] ; i++) { + if(strcmp(attr[i], "card") == 0) { + i++; + config_data->io_props.card = atoi(attr[i]); + } else if(strcmp(attr[i], "device") == 0) { + i++; + config_data->io_props.device = atoi(attr[i]); + } else { + ALOGE("Unknown modem attr: %s", attr[i]); + } + } + } else if(strcmp(elem, "device") == 0) { + for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) { + if(strcmp(attr[i], "type") == 0) { + i++; + if(config_data->direction == TINYALSA_MIXER_DIRECTION_OUTPUT || + config_data->direction == TINYALSA_MIXER_DIRECTION_MODEM) { + if(strcmp(attr[i], "default") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_DEFAULT; + } else if(strcmp(attr[i], "earpiece") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_EARPIECE; + } else if(strcmp(attr[i], "speaker") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_SPEAKER; + } else if(strcmp(attr[i], "wired-headset") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_WIRED_HEADSET; + } else if(strcmp(attr[i], "wired-headphone") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_WIRED_HEADPHONE; + } else if(strcmp(attr[i], "bt-sco") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_SCO; + } else if(strcmp(attr[i], "bt-sco-headset") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET; + } else if(strcmp(attr[i], "bt-sco-carkit") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT; + } else if(strcmp(attr[i], "bt-a2dp") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_A2DP; + } else if(strcmp(attr[i], "bt-a2dp-headphones") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES; + } else if(strcmp(attr[i], "bt-a2dp-speaker") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER; + } else if(strcmp(attr[i], "aux-digital") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_AUX_DIGITAL; + } else if(strcmp(attr[i], "analog-dock-headset") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET; + } else if(strcmp(attr[i], "digital-dock-headset") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET; +/* + * There is now FM support for Qcom devices. Now that Qcom FM is working, + * it may be possible to get Samsung FM working... SAMSUNG_FM_ENABLED + * is a temp placeholder for the ifdef. See QCOM_FM_ENABLED for an example + * in system/core/include/system/audio.h + */ +#ifdef SAMSUNG_FM_ENABLED + } else if(strcmp(attr[i], "fm") == 0) { + config_data->device_props.type = AUDIO_DEVICE_OUT_FM; +#endif + } else { + ALOGE("Unknown device attr: %s", attr[i]); + } + } else if(config_data->direction == TINYALSA_MIXER_DIRECTION_INPUT) { + if(strcmp(attr[i], "default") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_DEFAULT; + } else if(strcmp(attr[i], "communication") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_COMMUNICATION; + } else if(strcmp(attr[i], "ambient") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_AMBIENT; + } else if(strcmp(attr[i], "builtin-mic") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_BUILTIN_MIC; + } else if(strcmp(attr[i], "bt-sco-headset") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET; + } else if(strcmp(attr[i], "wired-headset") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_WIRED_HEADSET; + } else if(strcmp(attr[i], "aux-digital") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_AUX_DIGITAL; + } else if(strcmp(attr[i], "voice-call") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_VOICE_CALL; + } else if(strcmp(attr[i], "back-mic") == 0) { + config_data->device_props.type = AUDIO_DEVICE_IN_BACK_MIC; + } else { + ALOGE("Unknown device attr: %s", attr[i]); + } + } + } else { + ALOGE("Unknown device attr: %s", attr[i]); + } + + if(config_data->device_props.type != 0) { + config_data->device = tinyalsa_mixer_device_alloc(); + memcpy(&config_data->device->props, &config_data->device_props, sizeof(config_data->device_props)); + } else { + ALOGE("Missing attrs for elem: %s", elem); + } + } + } else if(strcmp(elem, "path") == 0) { + for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) { + if(strcmp(attr[i], "type") == 0) { + i++; + if(strcmp(attr[i], "enable") == 0) { + config_data->list_start = &config_data->device->enable; + } else if(strcmp(attr[i], "disable") == 0) { + config_data->list_start = &config_data->device->disable; + } else { + ALOGE("Unknown path attr: %s", attr[i]); + } + } else { + ALOGE("Unknown path attr: %s", attr[i]); + } + } + } else if(strcmp(elem, "ctrl") == 0) { + if(config_data->device != NULL && config_data->list_start != NULL) { + list = list_head_alloc(); + mixer_data = tinyalsa_mixer_data_alloc(); + + mixer_data->type = MIXER_DATA_TYPE_CTRL; + list->data = (void *) mixer_data; + } else { + ALOGE("Missing device/path for elem: %s", elem); + return; + } + + for(i=0 ; attr[i] != NULL && attr[i+1] != NULL ; i++) { + if(strcmp(attr[i], "name") == 0) { + i++; + mixer_data->name = strdup((char *) attr[i]); + } else if(strcmp(attr[i], "attr") == 0) { + i++; + mixer_data->attr = strdup((char *) attr[i]); + } else if(strcmp(attr[i], "value") == 0) { + i++; + mixer_data->value = strdup((char *) attr[i]); + } else { + ALOGE("Unknown ctrl attr: %s", attr[i]); + } + } + + if(mixer_data->name != NULL && mixer_data->value != NULL) { + if(*config_data->list_start == NULL) { + *config_data->list_start = list; + } else { + config_data->list->next = list; + list->prev = config_data->list; + } + + config_data->list = list; + } else { + tinyalsa_mixer_data_free(mixer_data); + list_head_free(list); + } + } +} + +void tinyalsa_mixer_config_end(void *data, const XML_Char *elem) +{ + struct tinyalsa_mixer_config_data *config_data; + struct list_head *list_prev; + struct list_head *list; + + if(data == NULL || elem == NULL) + return; + + config_data = (struct tinyalsa_mixer_config_data *) data; + + if(strcmp(elem, "output") == 0) { + memcpy(&config_data->mixer->output.props, &config_data->io_props, sizeof(config_data->io_props)); + memset(&config_data->io_props, 0, sizeof(config_data->io_props)); + config_data->direction = 0; + } else if(strcmp(elem, "input") == 0) { + memcpy(&config_data->mixer->input.props, &config_data->io_props, sizeof(config_data->io_props)); + memset(&config_data->io_props, 0, sizeof(config_data->io_props)); + config_data->direction = 0; + } else if(strcmp(elem, "modem") == 0) { + memcpy(&config_data->mixer->modem.props, &config_data->io_props, sizeof(config_data->io_props)); + memset(&config_data->io_props, 0, sizeof(config_data->io_props)); + config_data->direction = 0; + } else if(strcmp(elem, "device") == 0) { + // direction == 0 will fallback to out + if(config_data->direction == TINYALSA_MIXER_DIRECTION_OUTPUT) { + list = list_head_alloc(); + list->data = (void *) config_data->device; + + if(config_data->mixer->output.devices == NULL) { + config_data->mixer->output.devices = list; + } else { + list_prev = config_data->mixer->output.devices; + + while(list_prev->next != NULL) + list_prev = list_prev->next; + + list_prev->next = list; + list->prev = list_prev; + } + } else if(config_data->direction == TINYALSA_MIXER_DIRECTION_INPUT) { + list = list_head_alloc(); + list->data = (void *) config_data->device; + + if(config_data->mixer->input.devices == NULL) { + config_data->mixer->input.devices = list; + } else { + list_prev = config_data->mixer->input.devices; + + while(list_prev->next != NULL) + list_prev = list_prev->next; + + list_prev->next = list; + list->prev = list_prev; + } + } else if(config_data->direction == TINYALSA_MIXER_DIRECTION_MODEM) { + list = list_head_alloc(); + list->data = (void *) config_data->device; + + if(config_data->mixer->modem.devices == NULL) { + config_data->mixer->modem.devices = list; + } else { + list_prev = config_data->mixer->modem.devices; + + while(list_prev->next != NULL) + list_prev = list_prev->next; + + list_prev->next = list; + list->prev = list_prev; + } + } + + config_data->device = NULL; + config_data->list = NULL; + } else if(strcmp(elem, "path") == 0) { + config_data->list_start = 0; + config_data->list = 0; + } +} + +int tinyalsa_mixer_config_parse(struct tinyalsa_mixer *mixer, char *config_file) +{ + struct tinyalsa_mixer_config_data config_data; + char buf[80]; + XML_Parser p; + FILE *f; + + int eof = 0; + int len = 0; + + if(mixer == NULL || config_file == NULL) + return -1; + + f = fopen(config_file, "r"); + if(!f) { + ALOGE("Failed to open tinyalsa-audio config file!"); + return -1; + } + + p = XML_ParserCreate(NULL); + if(!p) { + ALOGE("Failed to create XML parser!"); + goto error_file; + } + + memset(&config_data, 0, sizeof(config_data)); + config_data.mixer = mixer; + + XML_SetUserData(p, &config_data); + XML_SetElementHandler(p, tinyalsa_mixer_config_start, tinyalsa_mixer_config_end); + + while(!eof) { + len = fread(buf, 1, sizeof(buf), f); + if(ferror(f)) { + ALOGE("Failed to read config file!"); + goto error_xml_parser; + } + + eof = feof(f); + + if(XML_Parse(p, buf, len, eof) == XML_STATUS_ERROR) { + ALOGE("Failed to parse line %d: %s", + (int) XML_GetCurrentLineNumber(p), + (char *) XML_ErrorString(XML_GetErrorCode(p))); + goto error_xml_parser; + } + } + + XML_ParserFree(p); + fclose(f); + + return 0; + +error_xml_parser: + XML_ParserFree(p); + +error_file: + fclose(f); + + return -1; +} + +/* + * Route/Directions + */ + +int tinyalsa_mixer_set_route_ctrl(struct tinyalsa_mixer *mixer, + struct tinyalsa_mixer_data *mixer_data) +{ + struct mixer_ctl *ctl; + int value = 0; + int type; + int rc; + int i; + + if(mixer_data->type != MIXER_DATA_TYPE_CTRL) + return -1; + + ctl = mixer_get_ctl_by_name(mixer->mixer, mixer_data->name); + type = mixer_ctl_get_type(ctl); + + ALOGD("Setting %s to %s", mixer_data->name, mixer_data->value); + + switch(type) { + case MIXER_CTL_TYPE_BOOL: + value = strcmp(mixer_data->value, "on") == 0 ? + 1 : 0; + break; + case MIXER_CTL_TYPE_INT: + value = atoi(mixer_data->value); + break; + case MIXER_CTL_TYPE_BYTE: + value = atoi(mixer_data->value) & 0xff; + break; + } + + if(type == MIXER_CTL_TYPE_BOOL || type == MIXER_CTL_TYPE_INT || + type == MIXER_CTL_TYPE_BYTE) { + for(i=0 ; i < mixer_ctl_get_num_values(ctl) ; i++) { + rc = mixer_ctl_set_value(ctl, i, value); + if(rc < 0) + return -1; + } + } else if(type == MIXER_CTL_TYPE_ENUM || type == MIXER_CTL_TYPE_UNKNOWN) { + rc = mixer_ctl_set_enum_by_string(ctl, mixer_data->value); + if(rc < 0) + return -1; + } + + return 0; +} + +int tinyalsa_mixer_set_route_list(struct tinyalsa_mixer *mixer, struct list_head *list) +{ + struct tinyalsa_mixer_data *mixer_data = NULL; + int rc; + + if(mixer == NULL || mixer->mixer == NULL) + return -1; + + while(list != NULL) { + mixer_data = (struct tinyalsa_mixer_data *) list->data; + + if(mixer_data->type == MIXER_DATA_TYPE_CTRL) { + if(mixer_data->attr != NULL && + strcmp(mixer_data->attr, "voice-volume") == 0) { + ALOGD("Skipping voice volume control"); + } else { + rc = tinyalsa_mixer_set_route_ctrl(mixer, mixer_data); + if(rc < 0) { + ALOGE("Unable to set control!"); + return -1; + } + } + } + + if(list->next != NULL) + list = list->next; + else + break; + } + + return 0; +} + +int tinyalsa_mixer_set_route(struct tinyalsa_mixer *mixer, + struct tinyalsa_mixer_io *mixer_io, audio_devices_t device) +{ + struct tinyalsa_mixer_device *mixer_device = NULL; + struct list_head *list = NULL; + int rc; + + if(mixer == NULL || mixer_io == NULL) + return -1; + + ALOGD("%s(card=%d,device=%d)++",__func__,mixer_io->props.card,device); + + mixer->mixer = mixer_open(mixer_io->props.card); + if(mixer->mixer == NULL) { + ALOGE("Unable to open mixer for card: %d", mixer_io->props.card); + return -1; + } + + + mixer_device = tinyalsa_mixer_get_device(mixer_io, device); + if(mixer_device == NULL) { + ALOGE("Unable to find a matching device: 0x%x", device); + goto error_mixer; + } + + // No need to disable and enable the same route + if(mixer_device == mixer_io->device_current) + goto exit_mixer; + + if(mixer_io->device_current != NULL) { + rc = tinyalsa_mixer_set_route_list(mixer, mixer_io->device_current->disable); + if(rc < 0) { + ALOGE("Unable to disable current device controls"); + goto error_mixer; + } + } + + rc = tinyalsa_mixer_set_route_list(mixer, mixer_device->enable); + if(rc < 0) { + ALOGE("Unable to enable device controls"); + goto error_mixer; + } + + mixer_io->device_current = mixer_device; + +exit_mixer: + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(card=%d,device=%d)--",__func__,mixer_io->props.card,device); + + return 0; + +error_mixer: + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(card=%d,device=%d)-- (MIXER ERROR)",__func__,mixer_io->props.card,device); + + return -1; +} + +int tinyalsa_mixer_set_device_volume_with_attr(struct tinyalsa_mixer *mixer, + enum tinyalsa_mixer_direction direction, audio_devices_t device, + char *attr, float volume) +{ + struct tinyalsa_mixer_io *mixer_io = NULL; + struct tinyalsa_mixer_device *mixer_device = NULL; + struct tinyalsa_mixer_data *mixer_data = NULL; + struct list_head *list = NULL; + int value, value_min, value_max, values_count; + char *value_string = NULL; + int rc; + + if(mixer == NULL || attr == NULL) + return -1; + + ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)++",__func__,direction,device,attr,volume); + + switch(direction) { + case TINYALSA_MIXER_DIRECTION_OUTPUT: + mixer_io = &mixer->output; + break; + case TINYALSA_MIXER_DIRECTION_INPUT: + mixer_io = &mixer->input; + break; + case TINYALSA_MIXER_DIRECTION_MODEM: + mixer_io = &mixer->modem; + break; + default: + ALOGE("Invalid diretion: 0x%x", direction); + return -1; + } + + if(!mixer_io->state) { + ALOGE("Unable to set device for the asked direction: state is %d", mixer_io->state); + return -1; + } + + mixer->mixer = mixer_open(mixer_io->props.card); + if(mixer->mixer == NULL) { + ALOGE("Unable to open mixer for card: %d", mixer_io->props.card); + return -1; + } + + mixer_device = tinyalsa_mixer_get_device(mixer_io, device); + if(mixer_device == NULL) { + ALOGE("Unable to find a matching device: 0x%x", device); + goto error_mixer; + } + + list = mixer_device->enable; + + mixer_data = tinyalsa_mixer_get_data_with_attr(list, attr); + if(mixer_data == NULL) { + ALOGE("Unable to find a matching ctrl with attr: %s", attr); + goto error_mixer; + } + + if(mixer_data->value == NULL) { + ALOGE("Missing mixer data value!"); + goto error_mixer; + } + + values_count = sscanf(mixer_data->value, "%d-%d", &value_min, &value_max); + if(values_count != 2) { + ALOGE("Failed to get mixer data value!"); + goto error_mixer; + } + + value = (value_max - value_min) * volume + value_min; + + // Ugly workaround because a string value is needed + value_string = mixer_data->value; + asprintf(&mixer_data->value, "%d", value); + + rc = tinyalsa_mixer_set_route_ctrl(mixer, mixer_data); + if(rc < 0) { + ALOGE("Unable to set ctrl!"); + goto error_data; + } + + free(mixer_data->value); + mixer_data->value = value_string; + + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)--",__func__,direction,device,attr,volume); + + return 0; + +error_data: + free(mixer_data->value); + mixer_data->value = value_string; + + ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)-- (DATA ERROR)",__func__,direction,device,attr,volume); + +error_mixer: + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(direction=%d, device=%d, attr=%s, volume=%f)-- (MIXER ERROR)",__func__,direction,device,attr,volume); + + return -1; +} + +int tinyalsa_mixer_set_device_state_with_attr(struct tinyalsa_mixer *mixer, + enum tinyalsa_mixer_direction direction, audio_devices_t device, + char *attr, int state) +{ + struct tinyalsa_mixer_io *mixer_io = NULL; + struct tinyalsa_mixer_device *mixer_device = NULL; + struct tinyalsa_mixer_data *mixer_data = NULL; + struct list_head *list = NULL; + int rc; + + if(mixer == NULL || attr == NULL) + return -1; + + state = state >= 1 ? 1 : 0; + + ALOGD("%s(direction=%d, device=%d, attr=%s, state=%d)++",__func__,direction,device,attr,state); + + switch(direction) { + case TINYALSA_MIXER_DIRECTION_OUTPUT: + mixer_io = &mixer->output; + break; + case TINYALSA_MIXER_DIRECTION_INPUT: + mixer_io = &mixer->input; + break; + case TINYALSA_MIXER_DIRECTION_MODEM: + mixer_io = &mixer->modem; + break; + default: + ALOGE("Invalid diretion: 0x%x", direction); + return -1; + } + + if(!mixer_io->state) { + ALOGE("Unable to set device for the asked direction: state is %d", mixer_io->state); + return -1; + } + + mixer->mixer = mixer_open(mixer_io->props.card); + if(mixer->mixer == NULL) { + ALOGE("Unable to open mixer for card: %d", mixer_io->props.card); + return -1; + } + + mixer_device = tinyalsa_mixer_get_device(mixer_io, device); + if(mixer_device == NULL) { + ALOGE("Unable to find a matching device: 0x%x", device); + goto error_mixer; + } + + if(state) + list = mixer_device->enable; + else + list = mixer_device->disable; + + mixer_data = tinyalsa_mixer_get_data_with_attr(list, attr); + if(mixer_data == NULL) { + ALOGE("Unable to find a matching ctrl with attr: %s", attr); + goto error_mixer; + } + + rc = tinyalsa_mixer_set_route_ctrl(mixer, mixer_data); + if(rc < 0) { + ALOGE("Unable to set ctrl!"); + goto error_mixer; + } + + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(direction=%d, device=%d, attr=%s, state=%d)--",__func__,direction,device,attr,state); + + return 0; + +error_mixer: + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(direction=%d, device=%d, attr=%s, state=%d)-- (MIXER ERROR)",__func__,direction,device,attr,state); + + return -1; +} + +int tinyalsa_mixer_set_state(struct tinyalsa_mixer *mixer, + enum tinyalsa_mixer_direction direction, int state) +{ + struct tinyalsa_mixer_io *mixer_io = NULL; + struct tinyalsa_mixer_device *mixer_device = NULL; + struct list_head *list; + audio_devices_t default_device; + int rc; + + if(mixer == NULL) + return -1; + + state = state >= 1 ? 1 : 0; + + ALOGD("%s(direction=%d, state=%d)++",__func__,direction,state); + + switch(direction) { + case TINYALSA_MIXER_DIRECTION_OUTPUT: + mixer_io = &mixer->output; + default_device = AUDIO_DEVICE_OUT_DEFAULT; + break; + case TINYALSA_MIXER_DIRECTION_INPUT: + mixer_io = &mixer->input; + default_device = AUDIO_DEVICE_IN_DEFAULT; + break; + case TINYALSA_MIXER_DIRECTION_MODEM: + mixer_io = &mixer->modem; + default_device = AUDIO_DEVICE_OUT_DEFAULT; + break; + default: + ALOGE("Invalid diretion: 0x%x", direction); + return -1; + } + + if(mixer_io->state == state) { + ALOGD("Current state is already: %d", state); + return 0; + } + + mixer->mixer = mixer_open(mixer_io->props.card); + if(mixer->mixer == NULL) { + ALOGE("Unable to open mixer for card: %d", mixer_io->props.card); + return -1; + } + + if(!state && mixer_io->device_current != NULL && + mixer_io->device_current->disable != NULL) { + rc = tinyalsa_mixer_set_route_list(mixer, mixer_io->device_current->disable); + if(rc < 0) { + ALOGE("Unable to disable current device controls"); + goto error_mixer; + } + } + + mixer_device = tinyalsa_mixer_get_device(mixer_io, default_device); + if(mixer_device == NULL) { + ALOGD("Unable to find default device"); + // This is not really an issue + } + + if(state && mixer_device != NULL && mixer_device->enable != NULL) { + rc = tinyalsa_mixer_set_route_list(mixer, mixer_device->enable); + if(rc < 0) { + ALOGE("Unable to enable default device controls"); + goto error_mixer; + } + } else if(!state && mixer_device != NULL) { + rc = tinyalsa_mixer_set_route_list(mixer, mixer_device->disable); + if(rc < 0) { + ALOGE("Unable to disable default device controls"); + goto error_mixer; + } + } + + mixer_io->device_current = NULL; + mixer_io->state = state; + + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(direction=%d, state=%d)--",__func__,direction,state); + + return 0; + +error_mixer: + mixer_close(mixer->mixer); + mixer->mixer = NULL; + + ALOGD("%s(direction=%d, state=%d)-- (MIXER ERROR)",__func__,direction,state); + + return -1; +} + +/* + * Interface + */ + +int tinyalsa_mixer_set_output_state(struct tinyalsa_mixer *mixer, int state) +{ + ALOGD("%s(%d)", __func__, state); + + return tinyalsa_mixer_set_state(mixer, TINYALSA_MIXER_DIRECTION_OUTPUT, state); +} + +int tinyalsa_mixer_set_input_state(struct tinyalsa_mixer *mixer, int state) +{ + ALOGD("%s(%d)", __func__, state); + + return tinyalsa_mixer_set_state(mixer, TINYALSA_MIXER_DIRECTION_INPUT, state); +} + +int tinyalsa_mixer_set_modem_state(struct tinyalsa_mixer *mixer, int state) +{ + ALOGD("%s(%d)", __func__, state); + + return tinyalsa_mixer_set_state(mixer, TINYALSA_MIXER_DIRECTION_MODEM, state); +} + +int tinyalsa_mixer_set_device(struct tinyalsa_mixer *mixer, audio_devices_t device) +{ + int rc; + + ALOGD("%s(%x)", __func__, device); + + if(mixer == NULL) + return -1; + + if(!audio_is_output_device(device) && !audio_is_input_device(device)) { + ALOGE("Invalid device: 0x%x", device); + return -1; + } + + + if(audio_is_output_device(device) && mixer->output.state) { + rc = tinyalsa_mixer_set_route(mixer, &mixer->output, device); + if(rc < 0) { + ALOGE("Unable to set route for output device: 0x%x", device); + return -1; + } + } + + if(audio_is_input_device(device) && mixer->input.state) { + rc = tinyalsa_mixer_set_route(mixer, &mixer->input, device); + if(rc < 0) { + ALOGE("Unable to set route for input device: 0x%x", device); + return -1; + } + } + + if(audio_is_output_device(device) && mixer->modem.state) { + rc = tinyalsa_mixer_set_route(mixer, &mixer->modem, device); + if(rc < 0) { + ALOGE("Unable to set route for modem device: 0x%x", device); + return -1; + } + } + + return 0; +} + +int tinyalsa_mixer_set_output_volume(struct tinyalsa_mixer *mixer, + audio_devices_t device, float volume) +{ + ALOGD("%s(%p, %x, %f)", __func__, mixer, device, volume); + + return tinyalsa_mixer_set_device_volume_with_attr(mixer, + TINYALSA_MIXER_DIRECTION_OUTPUT, device, + "output-volume", volume); +} + +int tinyalsa_mixer_set_master_volume(struct tinyalsa_mixer *mixer, float volume) +{ + ALOGD("%s(%p, %f)", __func__, mixer, volume); + + return tinyalsa_mixer_set_device_volume_with_attr(mixer, + TINYALSA_MIXER_DIRECTION_OUTPUT, AUDIO_DEVICE_OUT_DEFAULT, + "master-volume", volume); +} + +int tinyalsa_mixer_set_mic_mute(struct tinyalsa_mixer *mixer, + audio_devices_t device, int mute) +{ + ALOGD("%s(%p, %x, %d)", __func__, mixer, device, mute); + + // Mic mute can be set for both input and modem directions + if(audio_is_input_device(device)) { + return tinyalsa_mixer_set_device_state_with_attr(mixer, + TINYALSA_MIXER_DIRECTION_INPUT, device, + "mic-mute", mute); + } else if(audio_is_output_device(device)) { + return tinyalsa_mixer_set_device_state_with_attr(mixer, + TINYALSA_MIXER_DIRECTION_MODEM, device, + "mic-mute", mute); + } else { + return -1; + } +} + +int tinyalsa_mixer_set_input_gain(struct tinyalsa_mixer *mixer, + audio_devices_t device, float gain) +{ + ALOGD("%s(%p, %x, %f)", __func__, mixer, device, gain); + + return tinyalsa_mixer_set_device_volume_with_attr(mixer, + TINYALSA_MIXER_DIRECTION_INPUT, device, + "input-gain", gain); +} + +int tinyalsa_mixer_set_voice_volume(struct tinyalsa_mixer *mixer, + audio_devices_t device, float volume) +{ + ALOGD("%s(%p, %x, %f)", __func__, mixer, device, volume); + + return tinyalsa_mixer_set_device_volume_with_attr(mixer, + TINYALSA_MIXER_DIRECTION_MODEM, device, + "voice-volume", volume); +} + +audio_devices_t tinyalsa_mixer_get_supported_devices(struct tinyalsa_mixer *mixer) +{ + struct tinyalsa_mixer_device *mixer_device; + audio_devices_t devices = 0x00; + struct list_head *list; + + ALOGD("%s(%p)", __func__, mixer); + + if(mixer == NULL) + return -1; + + list = mixer->output.devices; + while(list != NULL) { + if(list->data != NULL) { + mixer_device = (struct tinyalsa_mixer_device *) list->data; + devices |= mixer_device->props.type; + } + + list = list->next; + } + + list = mixer->input.devices; + while(list != NULL) { + if(list->data != NULL) { + mixer_device = (struct tinyalsa_mixer_device *) list->data; + devices |= mixer_device->props.type; + } + + list = list->next; + } + + list = mixer->modem.devices; + while(list != NULL) { + if(list->data != NULL) { + mixer_device = (struct tinyalsa_mixer_device *) list->data; + devices |= mixer_device->props.type; + } + + list = list->next; + } + + return devices; +} + +struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_output_props(struct tinyalsa_mixer *mixer) +{ + ALOGD("%s(%p)", __func__, mixer); + + return &(mixer->output.props); +} + +struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_input_props(struct tinyalsa_mixer *mixer) +{ + ALOGD("%s(%p)", __func__, mixer); + + return &(mixer->input.props); +} + +struct tinyalsa_mixer_io_props *tinyalsa_mixer_get_modem_props(struct tinyalsa_mixer *mixer) +{ + ALOGD("%s(%p)", __func__, mixer); + + return &(mixer->modem.props); +} + +void tinyalsa_mixer_close(struct tinyalsa_mixer *mixer) +{ + ALOGD("%s(%p)", __func__, mixer); + + if(mixer == NULL) + return; + + tinyalsa_mixer_set_output_state(mixer, 0); + tinyalsa_mixer_set_input_state(mixer, 0); + tinyalsa_mixer_set_modem_state(mixer, 0); + + tinyalsa_mixer_io_free_devices(&mixer->output); + tinyalsa_mixer_io_free_devices(&mixer->input); + tinyalsa_mixer_io_free_devices(&mixer->modem); + + free(mixer); +} + +int tinyalsa_mixer_open(struct tinyalsa_mixer **mixer_p, char *config_file) +{ + struct tinyalsa_mixer *mixer = NULL; + int rc; + + ALOGD("%s(%p, %s)", __func__, mixer_p, config_file); + + if(mixer_p == NULL || config_file == NULL) + return -1; + + mixer = calloc(1, sizeof(struct tinyalsa_mixer)); + + rc = tinyalsa_mixer_config_parse(mixer, config_file); + if(rc < 0) { + ALOGE("Unable to parse mixer config!"); + goto error_mixer; + } + + *mixer_p = mixer; + + return 0; + +error_mixer: + *mixer_p = NULL; + + free(mixer); + + return -1; +} diff --git a/tinyalsa_audio/mixer.h b/tinyalsa_audio/mixer.h new file mode 100644 index 0000000..a370575 --- /dev/null +++ b/tinyalsa_audio/mixer.h @@ -0,0 +1,126 @@ +/* + * 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); + +audio_devices_t tinyalsa_mixer_get_supported_devices(struct tinyalsa_mixer *mixer); +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 |