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author | Dima Zavin <dima@android.com> | 2011-04-20 16:38:05 -0700 |
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committer | Dima Zavin <dima@android.com> | 2011-04-27 14:08:57 -0700 |
commit | 8cc353abc94a557dcff0f2989f7ca6351fcfdb08 (patch) | |
tree | dc2279a2b6dbcccfb90fe96628bc9819f872641a /modules/audio/audio_policy.c | |
parent | 7e0331661814065af64cbd04b8b08e1264e8d6d9 (diff) | |
download | hardware_libhardware-8cc353abc94a557dcff0f2989f7ca6351fcfdb08.zip hardware_libhardware-8cc353abc94a557dcff0f2989f7ca6351fcfdb08.tar.gz hardware_libhardware-8cc353abc94a557dcff0f2989f7ca6351fcfdb08.tar.bz2 |
libhardware: add stub audio and audio_policy modules
Change-Id: Ib6c0c49dbc369b735b2ac5fb5b583de96c3e9f3e
Signed-off-by: Dima Zavin <dima@android.com>
Diffstat (limited to 'modules/audio/audio_policy.c')
-rw-r--r-- | modules/audio/audio_policy.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/modules/audio/audio_policy.c b/modules/audio/audio_policy.c new file mode 100644 index 0000000..4d5258d --- /dev/null +++ b/modules/audio/audio_policy.c @@ -0,0 +1,318 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "audio_policy_default" +//#define LOG_NDEBUG 0 + +#include <errno.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> + +#include <hardware/hardware.h> +#include <hardware/audio.h> +#include <hardware/audio_policy.h> +#include <hardware/audio_policy_hal.h> + +struct default_ap_module { + struct audio_policy_module module; +}; + +struct default_ap_device { + struct audio_policy_device device; +}; + +struct default_audio_policy { + struct audio_policy policy; + + struct audio_policy_service_ops *aps_ops; + void *service; +}; + +static int ap_set_device_connection_state(struct audio_policy *pol, + audio_devices_t device, + audio_policy_dev_state_t state, + const char *device_address) +{ + return -ENOSYS; +} + +static audio_policy_dev_state_t ap_get_device_connection_state( + const struct audio_policy *pol, + audio_devices_t device, + const char *device_address) +{ + return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; +} + +static void ap_set_phone_state(struct audio_policy *pol, int state) +{ +} + +static void ap_set_ringer_mode(struct audio_policy *pol, uint32_t mode, + uint32_t mask) +{ +} + +static void ap_set_force_use(struct audio_policy *pol, + audio_policy_force_use_t usage, + audio_policy_forced_cfg_t config) +{ +} + + /* retreive current device category forced for a given usage */ +static audio_policy_forced_cfg_t ap_get_force_use( + const struct audio_policy *pol, + audio_policy_force_use_t usage) +{ + return AUDIO_POLICY_FORCE_NONE; +} + +/* if can_mute is true, then audio streams that are marked ENFORCED_AUDIBLE + * can still be muted. */ +static void ap_set_can_mute_enforced_audible(struct audio_policy *pol, + bool can_mute) +{ +} + +static int ap_init_check(const struct audio_policy *pol) +{ + return 0; +} + +static audio_io_handle_t ap_get_output(struct audio_policy *pol, + audio_stream_type_t stream, + uint32_t sampling_rate, + uint32_t format, + uint32_t channels, + audio_policy_output_flags_t flags) +{ + return 0; +} + +static int ap_start_output(struct audio_policy *pol, audio_io_handle_t output, + audio_stream_type_t stream, int session) +{ + return -ENOSYS; +} + +static int ap_stop_output(struct audio_policy *pol, audio_io_handle_t output, + audio_stream_type_t stream, int session) +{ + return -ENOSYS; +} + +static void ap_release_output(struct audio_policy *pol, + audio_io_handle_t output) +{ +} + +static audio_io_handle_t ap_get_input(struct audio_policy *pol, int inputSource, + uint32_t sampling_rate, + uint32_t format, + uint32_t channels, + audio_in_acoustics_t acoustics) +{ + return 0; +} + +static int ap_start_input(struct audio_policy *pol, audio_io_handle_t input) +{ + return -ENOSYS; +} + +static int ap_stop_input(struct audio_policy *pol, audio_io_handle_t input) +{ + return -ENOSYS; +} + +static void ap_release_input(struct audio_policy *pol, audio_io_handle_t input) +{ +} + +static void ap_init_stream_volume(struct audio_policy *pol, + audio_stream_type_t stream, int index_min, + int index_max) +{ +} + +static int ap_set_stream_volume_index(struct audio_policy *pol, + audio_stream_type_t stream, + int index) +{ + return -ENOSYS; +} + +static int ap_get_stream_volume_index(const struct audio_policy *pol, + audio_stream_type_t stream, + int *index) +{ + return -ENOSYS; +} + +static uint32_t ap_get_strategy_for_stream(const struct audio_policy *pol, + audio_stream_type_t stream) +{ + return 0; +} + +static uint32_t ap_get_devices_for_stream(const struct audio_policy *pol, + audio_stream_type_t stream) +{ + return 0; +} + +static audio_io_handle_t ap_get_output_for_effect(struct audio_policy *pol, + struct effect_descriptor_s *desc) +{ + return 0; +} + +static int ap_register_effect(struct audio_policy *pol, + struct effect_descriptor_s *desc, + audio_io_handle_t output, + uint32_t strategy, + int session, + int id) +{ + return -ENOSYS; +} + +static int ap_unregister_effect(struct audio_policy *pol, int id) +{ + return -ENOSYS; +} + +static bool ap_is_stream_active(const struct audio_policy *pol, int stream, + uint32_t in_past_ms) +{ + return false; +} + +static int ap_dump(const struct audio_policy *pol, int fd) +{ + return -ENOSYS; +} + +static int create_default_ap(const struct audio_policy_device *device, + struct audio_policy_service_ops *aps_ops, + void *service, + struct audio_policy **ap) +{ + struct default_ap_device *dev; + struct default_audio_policy *dap; + int ret; + + *ap = NULL; + + if (!service || !aps_ops) + return -EINVAL; + + dap = (struct default_audio_policy *)calloc(1, sizeof(*dap)); + if (!dap) + return -ENOMEM; + + dap->policy.set_device_connection_state = ap_set_device_connection_state; + dap->policy.get_device_connection_state = ap_get_device_connection_state; + dap->policy.set_phone_state = ap_set_phone_state; + dap->policy.set_ringer_mode = ap_set_ringer_mode; + dap->policy.set_force_use = ap_set_force_use; + dap->policy.get_force_use = ap_get_force_use; + dap->policy.set_can_mute_enforced_audible = + ap_set_can_mute_enforced_audible; + dap->policy.init_check = ap_init_check; + dap->policy.get_output = ap_get_output; + dap->policy.start_output = ap_start_output; + dap->policy.stop_output = ap_stop_output; + dap->policy.release_output = ap_release_output; + dap->policy.get_input = ap_get_input; + dap->policy.start_input = ap_start_input; + dap->policy.stop_input = ap_stop_input; + dap->policy.release_input = ap_release_input; + dap->policy.init_stream_volume = ap_init_stream_volume; + dap->policy.set_stream_volume_index = ap_set_stream_volume_index; + dap->policy.get_stream_volume_index = ap_get_stream_volume_index; + dap->policy.get_strategy_for_stream = ap_get_strategy_for_stream; + dap->policy.get_devices_for_stream = ap_get_devices_for_stream; + dap->policy.get_output_for_effect = ap_get_output_for_effect; + dap->policy.register_effect = ap_register_effect; + dap->policy.unregister_effect = ap_unregister_effect; + dap->policy.is_stream_active = ap_is_stream_active; + dap->policy.dump = ap_dump; + + dap->service = service; + dap->aps_ops = aps_ops; + + *ap = &dap->policy; + return 0; +} + +static int destroy_default_ap(const struct audio_policy_device *ap_dev, + struct audio_policy *ap) +{ + free(ap); + return 0; +} + +static int default_ap_dev_close(hw_device_t* device) +{ + free(device); + return 0; +} + +static int default_ap_dev_open(const hw_module_t* module, const char* name, + hw_device_t** device) +{ + struct default_ap_device *dev; + + *device = NULL; + + if (strcmp(name, AUDIO_POLICY_INTERFACE) != 0) + return -EINVAL; + + dev = (struct default_ap_device *)calloc(1, sizeof(*dev)); + if (!dev) + return -ENOMEM; + + dev->device.common.tag = HARDWARE_DEVICE_TAG; + dev->device.common.version = 0; + dev->device.common.module = (hw_module_t *)module; + dev->device.common.close = default_ap_dev_close; + dev->device.create_audio_policy = create_default_ap; + dev->device.destroy_audio_policy = destroy_default_ap; + + *device = &dev->device.common; + + return 0; +} + +static struct hw_module_methods_t default_ap_module_methods = { + .open = default_ap_dev_open, +}; + +struct default_ap_module HAL_MODULE_INFO_SYM = { + .module = { + .common = { + .tag = HARDWARE_MODULE_TAG, + .version_major = 1, + .version_minor = 0, + .id = AUDIO_POLICY_HARDWARE_MODULE_ID, + .name = "Default audio policy HAL", + .author = "The Android Open Source Project", + .methods = &default_ap_module_methods, + }, + }, +}; |