--- /dev/null
+CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
+PROJECT(hal-api-audio C)
+
+SET(PREFIX ${CMAKE_INSTALL_PREFIX})
+SET(EXEC_PREFIX "${CMAKE_INSTALL_PREFIX}/bin")
+SET(INCLUDEDIR "${CMAKE_INSTALL_PREFIX}/include")
+SET(LIBDIR ${CMAKE_LIBDIR_PREFIX})
+SET(VERSION_MAJOR 0)
+SET(VERSION "${VERSION_MAJOR}.1.0")
+
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/src)
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+SET(PKG_MODULES hal-api-common)
+
+INCLUDE(FindPkgConfig)
+pkg_check_modules(pkgs REQUIRED ${PKG_MODULES})
+
+FOREACH(flag ${pkgs_CFLAGS})
+ SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} ${flag}")
+ENDFOREACH(flag)
+
+SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fPIE")
+SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -g -fno-omit-frame-pointer -finstrument-functions")
+SET(EXTRA_CFLAGS "${EXTRA_CFLAGS} -fPIC -Wall -Wextra -Wno-array-bounds -Wno-empty-body -Wno-ignored-qualifiers -Wno-unused-parameter -Wshadow -Wwrite-strings -Wswitch-default -Wno-unused-but-set-parameter -Wno-unused-but-set-variable")
+SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS} -lrt")
+SET(CMAKE_EXE_LINKER_FLAGS "-pie")
+
+SET(SRCS src/hal-api-audio.c)
+
+ADD_LIBRARY(${PROJECT_NAME} SHARED ${SRCS})
+
+TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${pkgs_LDFLAGS} -Wl,--as-needed -Wl,--rpath=${LIBDIR}/hal)
+SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${VERSION_MAJOR})
+SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES VERSION ${VERSION})
+
+CONFIGURE_FILE(${PROJECT_NAME}.pc.in ${PROJECT_NAME}.pc @ONLY)
+
+INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIBDIR}/hal)
+
+INSTALL(DIRECTORY include/ DESTINATION include/hal
+ FILES_MATCHING
+ PATTERN "*_private.h" EXCLUDE
+ PATTERN "include/*.h")
+
+INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}.pc DESTINATION ${LIBDIR}/pkgconfig)
+
--- /dev/null
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
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+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ whether in tort (including negligence), contract, or otherwise,
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+ on Your own behalf and on Your sole responsibility, not on behalf
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+ APPENDIX: How to apply the Apache License to your work.
+
+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
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--- /dev/null
+Copyright (c) Samsung Electronics Co., Ltd. All rights reserved.
+Except as noted, this software is licensed under Apache License, Version 2.
+Please, see the LICENSE file for Apache License terms and conditions.
--- /dev/null
+<manifest>
+ <request>
+ <domain name="_" />
+ </request>
+</manifest>
--- /dev/null
+# Package Information for pkg-config
+prefix=@PREFIX@
+exec_prefix=@EXEC_PREFIX@/hal
+libdir=@LIBDIR@/hal
+includedir=@INCLUDEDIR@/hal
+
+Name: @PROJECT_NAME@
+Description: @PROJECT_NAME@ interface
+Version: @VERSION@
+Requires:
+Libs: -L${libdir} -l@PROJECT_NAME@
+Cflags: -I${includedir}
+CXXflags: -I${includedir}
+
--- /dev/null
+/*
+ * HAL (Hardware Abstract Layer) interface API for Audio
+ *
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+#ifndef __HAL_AUDIO_INTERFACE__
+#define __HAL_AUDIO_INTERFACE__
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @file hal-audio.h
+ * @brief This file contains the Audio Hardware Abstraction Layer Interfaces.
+ */
+
+/**
+ * @addtogroup TIZEN_AUDIO_HAL_MODULE
+ * @{
+ */
+
+/**
+ * @brief Enumeration for return codes.
+ * @since_tizen 6.5
+ */
+typedef enum audio_return {
+ AUDIO_RET_OK = 0,
+ AUDIO_ERR_UNDEFINED = (int32_t)0x80001000,
+ AUDIO_ERR_RESOURCE = (int32_t)0x80001001,
+ AUDIO_ERR_PARAMETER = (int32_t)0x80001002,
+ AUDIO_ERR_IOCTL = (int32_t)0x80001003,
+ AUDIO_ERR_INVALID_STATE = (int32_t)0x80001004,
+ AUDIO_ERR_INTERNAL = (int32_t)0x80001005,
+ /* add new enumerator here */
+ AUDIO_ERR_NOT_IMPLEMENTED = (int32_t)0x80001100,
+} audio_return_e ;
+
+/**
+ * @brief Enumeration for audio direction.
+ * @since_tizen 6.5
+ */
+typedef enum audio_direction {
+ AUDIO_DIRECTION_IN, /**< Capture */
+ AUDIO_DIRECTION_OUT, /**< Playback */
+} audio_direction_e;
+
+/**
+ * @brief Device information including type, direction and id.
+ * @since_tizen 6.5
+ */
+typedef struct device_info {
+ const char *type;
+ uint32_t direction;
+ uint32_t id;
+} device_info_s;
+
+/**
+ * @brief Volume information including type, gain and direction.
+ * @since_tizen 6.5
+ */
+typedef struct audio_volume_info {
+ const char *type;
+ const char *gain;
+ uint32_t direction;
+} audio_volume_info_s ;
+
+/**
+ * @brief Route information including role and device.
+ * @since_tizen 6.5
+ */
+typedef struct audio_route_info {
+ const char *role;
+ device_info_s *device_infos;
+ uint32_t num_of_devices;
+} audio_route_info_s;
+
+/**
+ * @brief Route option including role, name and value.
+ * @since_tizen 6.5
+ */
+typedef struct audio_route_option {
+ const char *role;
+ const char *name;
+ int32_t value;
+} audio_route_option_s;
+
+/**
+ * @brief Stream information including role, direction and index.
+ * @since_tizen 6.5
+ */
+typedef struct audio_stream_info {
+ const char *role;
+ uint32_t direction;
+ uint32_t idx;
+} audio_stream_info_s ;
+
+/**
+ * @brief Ducking information including target role, duration and ratio.
+ * @since_tizen 6.5
+ */
+typedef struct audio_ducking_info {
+ const char *target_role;
+ uint32_t duration;
+ double ratio;
+} audio_ducking_info_s;
+
+/**
+ * @brief Called when audio hal implementation needs to send a message.
+ * @since_tizen 6.5
+ * @param[in] name The message name
+ * @param[in] value The message value
+ * @param[in] user_data The user data passed from the callback registration function
+ *
+ * @see audio_add_message_cb()
+ * @see audio_remove_message_cb()
+ */
+typedef void (*message_cb)(const char *name, int value, void *user_data);
+
+typedef struct _hal_backend_media_audio_funcs {
+ /* Initialization & de-initialization */
+ audio_return_e (*init)(void **audio_handle);
+ audio_return_e (*deinit)(void *audio_handle);
+ /* Volume */
+ audio_return_e (*get_volume_level_max)(void *audio_handle, audio_volume_info_s *info, uint32_t *level);
+ audio_return_e (*get_volume_level)(void *audio_handle, audio_volume_info_s *info, uint32_t *level);
+ audio_return_e (*set_volume_level)(void *audio_handle, audio_volume_info_s *info, uint32_t level);
+ audio_return_e (*get_volume_value)(void *audio_handle, audio_volume_info_s *info, uint32_t level, double *value);
+ audio_return_e (*get_volume_mute)(void *audio_handle, audio_volume_info_s *info, uint32_t *mute);
+ audio_return_e (*set_volume_mute)(void *audio_handle, audio_volume_info_s *info, uint32_t mute);
+ audio_return_e (*set_volume_ratio)(void *audio_handle, audio_stream_info_s *info, double ratio);
+ audio_return_e (*notify_ducking_activation_changed)(void *audio_handle, audio_ducking_info_s *info, uint32_t is_activated); /* optional */
+ /* Routing */
+ audio_return_e (*update_route)(void *audio_handle, audio_route_info_s *info);
+ audio_return_e (*update_route_option)(void *audio_handle, audio_route_option_s *option);
+ /* Stream */
+ audio_return_e (*notify_stream_connection_changed)(void *audio_handle, audio_stream_info_s *info, uint32_t is_connected);
+ /* PCM */
+ audio_return_e (*pcm_open)(void *audio_handle, const char *card, const char *device, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods, void **pcm_handle);
+ audio_return_e (*pcm_start)(void *audio_handle, void *pcm_handle);
+ audio_return_e (*pcm_stop)(void *audio_handle, void *pcm_handle);
+ audio_return_e (*pcm_close)(void *audio_handle, void *pcm_handle);
+ audio_return_e (*pcm_avail)(void *audio_handle, void *pcm_handle, uint32_t *avail);
+ audio_return_e (*pcm_write)(void *audio_handle, void *pcm_handle, const void *buffer, uint32_t frames);
+ audio_return_e (*pcm_read)(void *audio_handle, void *pcm_handle, void *buffer, uint32_t frames);
+ audio_return_e (*pcm_get_fd)(void *audio_handle, void *pcm_handle, int *fd);
+ audio_return_e (*pcm_recover)(void *audio_handle, void *pcm_handle, int revents);
+ audio_return_e (*pcm_get_params)(void *audio_handle, void *pcm_handle, uint32_t direction, void **sample_spec, uint32_t *period_size, uint32_t *periods);
+ audio_return_e (*pcm_set_params)(void *audio_handle, void *pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods);
+ /* Message callback */
+ audio_return_e (*add_message_cb)(void *audio_handle, message_cb callback, void *user_data);
+ audio_return_e (*remove_message_cb)(void *audio_handle, message_cb callback);
+} hal_backend_audio_funcs_s;
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* __HAL_AUDIO_INTERFACE__ */
+
--- /dev/null
+/*
+ * HAL (Hardware Abstract Layer) API for Audio
+ *
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+#ifndef __HAL_AUDIO__
+#define __HAL_AUDIO__
+
+#include "hal-audio-interface.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Initializes audio hal.
+ * @since_tizen 6.5
+ * @param[out] audio_handle The audio hal handle
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_deinit()
+ */
+audio_return_e hal_audio_init(void **audio_handle);
+
+/**
+ * @brief De-initializes audio hal.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_init()
+ */
+audio_return_e hal_audio_deinit(void *audio_handle);
+
+/**
+ * @brief Gets the maximum volume level supported for a particular volume information.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[out] level The maximum volume level
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_set_volume_level()
+ * @see audio_get_volume_level()
+ * @see audio_get_volume_value()
+ */
+audio_return_e hal_audio_get_volume_level_max(void *audio_handle, audio_volume_info_s *info, uint32_t *level);
+
+/**
+ * @brief Gets the volume level specified for a particular volume information.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[out] level The current volume level
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_set_volume_level()
+ * @see audio_get_volume_level_max()
+ * @see audio_get_volume_value()
+ */
+audio_return_e hal_audio_get_volume_level(void *audio_handle, audio_volume_info_s *info, uint32_t *level);
+
+/**
+ * @brief Sets the volume level specified for a particular volume information.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[in] level The volume level to be set
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_get_volume_level()
+ * @see audio_get_volume_level_max()
+ * @see audio_get_volume_value()
+ */
+audio_return_e hal_audio_set_volume_level(void *audio_handle, audio_volume_info_s *info, uint32_t level);
+
+/**
+ * @brief Gets the volume value specified for a particular volume information and level.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[in] level The volume level
+ * @param[out] value The volume value (range is from 0.0 to 1.0 inclusive, 1.0 = 100%)
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_set_volume_level()
+ * @see audio_get_volume_level()
+ * @see audio_get_volume_level_max()
+ */
+audio_return_e hal_audio_get_volume_value(void *audio_handle, audio_volume_info_s *info, uint32_t level, double *value);
+
+/**
+ * @brief Gets the volume mute specified for a particular volume information.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[out] mute The volume mute state : (@c 0 = unmute, @c 1 = mute)
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_set_volume_mute()
+ */
+audio_return_e hal_audio_get_volume_mute(void *audio_handle, audio_volume_info_s *info, uint32_t *mute);
+
+/**
+ * @brief Sets the volume mute specified for a particular volume information.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[in] mute The volume mute state to be set : (@c 0 = unmute, @c 1 = mute)
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_get_volume_mute()
+ */
+audio_return_e hal_audio_set_volume_mute(void *audio_handle, audio_volume_info_s *info, uint32_t mute);
+
+/**
+ * @brief Sets the volume level ratio
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio volume information
+ * @param[in] ratio
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_get_volume_mute()
+ */
+audio_return_e hal_audio_set_volume_ratio(void *audio_handle, audio_stream_info_s *info, double ratio);
+
+/**
+ * @brief Gets notified when a ducking is activated and deactivated. (optional)
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The ducking information including target role, duration and ratio
+ * @param[in] is_activated The activation state (@c true = activated, @c false = deactivated)
+ *
+ * @remarks This information can be used for volume controls.
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ */
+audio_return_e hal_audio_notify_ducking_activation_changed(void *audio_handle, audio_ducking_info_s *info, uint32_t is_activated);
+
+/**
+ * @brief Updates the audio routing according to audio route information.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The audio route information including role and devices
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_update_route_option()
+ */
+audio_return_e hal_audio_update_route(void *audio_handle, audio_route_info_s *info);
+
+/**
+ * @brief Updates audio routing option according to audio route option.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] option The option that can be used for audio routing including role, name and value
+ *
+ * @remarks This option can be used for audio routing.\n
+ * It is recommended to apply this option for routing per each role.
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_update_route()
+ */
+audio_return_e hal_audio_update_route_option(void *audio_handle, audio_route_option_s *option);
+
+/**
+ * @brief Gets notified when a stream is connected and disconnected.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] info The stream information including role, direction, index
+ * @param[in] is_connected The connection state of this stream (@c true = connected, @c false = disconnected)
+ *
+ * @remarks This information can be used for audio routing, volume controls and so on.
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ */
+audio_return_e hal_audio_notify_stream_connection_changed(void *audio_handle, audio_stream_info_s *info, uint32_t is_connected);
+
+/**
+ * @brief Opens a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] card The card of PCM
+ * @param[in] device The device of PCM
+ * @param[in] direction The direction of PCM
+ * @param[in] sample_spec The sample specification
+ * @param[in] period_size The period size
+ * @param[in] periods The periods
+ * @param[out] pcm_handle The PCM handle
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_close()
+ */
+audio_return_e hal_audio_pcm_open(void *audio_handle, const char *card, const char *device, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods, void **pcm_handle);
+
+/**
+ * @brief Starts a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle to be started
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_avail()
+ * @see audio_pcm_write()
+ * @see audio_pcm_read()
+ * @see audio_pcm_stop()
+ * @see audio_pcm_recover()
+ */
+audio_return_e hal_audio_pcm_start(void *audio_handle, void *pcm_handle);
+
+/**
+ * @brief Stops a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle to be stopped
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_start()
+ */
+audio_return_e hal_audio_pcm_stop(void *audio_handle, void *pcm_handle);
+
+/**
+ * @brief Closes a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle to be closed
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_open()
+ */
+audio_return_e hal_audio_pcm_close(void *audio_handle, void *pcm_handle);
+
+/**
+ * @brief Gets available number of frames.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[out] avail The available number of frames
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_write()
+ * @see audio_pcm_read()
+ */
+audio_return_e hal_audio_pcm_avail(void *audio_handle, void *pcm_handle, uint32_t *avail);
+
+/**
+ * @brief Writes frames to a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[in] buffer The buffer containing frames
+ * @param[in] frames The number of frames to be written
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_avail()
+ * @see audio_pcm_recover()
+ */
+audio_return_e hal_audio_pcm_write(void *audio_handle, void *pcm_handle, const void *buffer, uint32_t frames);
+
+/**
+ * @brief Reads frames from a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[out] buffer The buffer containing frames
+ * @param[in] frames The number of frames to be read
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_avail()
+ * @see audio_pcm_recover()
+ */
+audio_return_e hal_audio_pcm_read(void *audio_handle, void *pcm_handle, void *buffer, uint32_t frames);
+
+/**
+ * @brief Gets poll descriptor for a PCM handle.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[out] fd The poll descriptor
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_open()
+ * @see audio_pcm_recover()
+ */
+audio_return_e hal_audio_pcm_get_fd(void *audio_handle, void *pcm_handle, int *fd);
+
+/**
+ * @brief Recovers the PCM state.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[in] revents The returned event from pollfd
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_start()
+ * @see audio_pcm_write()
+ * @see audio_pcm_read()
+ * @see audio_pcm_get_fd()
+ */
+audio_return_e hal_audio_pcm_recover(void *audio_handle, void *pcm_handle, int revents);
+
+/**
+ * @brief Gets parameters of a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[in] direction The direction of PCM
+ * @param[out] sample_spec The sample specification
+ * @param[out] period_size The period size
+ * @param[out] periods The periods
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_set_params()
+ */
+audio_return_e hal_audio_pcm_get_params(void *audio_handle, void *pcm_handle, uint32_t direction, void **sample_spec, uint32_t *period_size, uint32_t *periods);
+
+/**
+ * @brief Sets hardware and software parameters of a PCM device.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] pcm_handle The PCM handle
+ * @param[in] direction The direction of PCM
+ * @param[in] sample_spec The sample specification
+ * @param[in] period_size The period size
+ * @param[in] periods The periods
+ *
+ * @return @c 0 on success,
+ * otherwise a negative error value
+ * @retval #AUDIO_RET_OK Success
+ * @see audio_pcm_set_params()
+ */
+audio_return_e hal_audio_pcm_set_params(void *audio_handle, void *pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods);
+
+/**
+ * @brief Adds the message callback function.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] message_cb The message callback function
+ * @param[in] user_data The user data passed to the callback function
+ *
+ * @see message_cb()
+ * @see audio_remove_message_cb()
+ */
+audio_return_e hal_audio_add_message_cb(void *audio_handle, message_cb callback, void *user_data);
+
+/**
+ * @brief Removes the message callback function.
+ * @since_tizen 6.5
+ * @param[in] audio_handle The audio hal handle
+ * @param[in] message_cb The message callback function to be removed
+ *
+ * @see message_cb()
+ * @see audio_add_message_cb()
+ */
+audio_return_e hal_audio_remove_message_cb(void *audio_handle, message_cb callback);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* __HAL_AUDIO__ */
+
--- /dev/null
+Name: hal-api-audio
+Summary: TIZEN Audio HAL
+Version: 0.0.1
+Release: 0
+Group: System/Libraries
+License: Apache-2.0
+URL: http://tizen.org
+Source0: hal-api-audio-%{version}.tar.gz
+BuildRequires: cmake
+BuildRequires: pkgconfig(hal-api-common)
+
+%description
+TIZEN Audio HAL
+
+%package devel
+Summary: %{name} interface
+Group: Development/Libraries
+Requires: %{name} = %{version}-%{release}
+
+%description devel
+%{name} interface development package for product vendor developer
+
+%prep
+%setup -q -n %{name}-%{version}
+%cmake . -DCMAKE_INSTALL_PREFIX=%{_prefix} -DCMAKE_LIBDIR_PREFIX=%{_libdir}
+
+%build
+export CFLAGS="$CFLAGS -DTIZEN_DEBUG_ENABLE -DSYSCONFDIR=\\\"%{_sysconfdir}\\\""
+export CXXFLAGS="$CXXFLAGS -DTIZEN_DEBUG_ENABLE"
+export FFLAGS="$FFLAGS -DTIZEN_DEBUG_ENABLE"
+
+make %{?jobs:-j%jobs}
+
+%install
+
+%make_install
+
+%post
+/sbin/ldconfig
+
+%postun
+/sbin/ldconfig
+
+%files
+%defattr(-,root,root,-)
+%manifest hal-api-audio.manifest
+%defattr(-,root,root,-)
+%{_libdir}/hal/*.so*
+%license LICENSE.APLv2
+
+%files devel
+%defattr(-,root,root,-)
+%{_includedir}/hal/*.h
+%{_libdir}/pkgconfig/*.pc
--- /dev/null
+#include <stdlib.h>
+#include <hal/hal-common.h>
+
+#include "hal-audio.h"
+
+#define AUDIO_RETURN_VAL_IF_FAIL(expr, val) do { \
+ if (!(expr)) { \
+ return val; \
+ } \
+} while (0)
+
+static hal_backend_audio_funcs_s *g_hal_audio_funcs = NULL;
+
+audio_return_e hal_audio_init(void **audio_handle)
+{
+ audio_return_e ret;
+
+ if (g_hal_audio_funcs)
+ return AUDIO_RET_OK;
+
+ ret = hal_common_get_backend(HAL_MODULE_AUDIO, (void **)&g_hal_audio_funcs);
+
+ AUDIO_RETURN_VAL_IF_FAIL(ret == 0, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->init, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->init(audio_handle);
+}
+
+audio_return_e hal_audio_deinit(void *audio_handle)
+{
+ audio_return_e ret;
+
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->deinit, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ ret = g_hal_audio_funcs->deinit(audio_handle);
+
+ hal_common_put_backend(HAL_MODULE_AUDIO, (void *)g_hal_audio_funcs);
+
+ g_hal_audio_funcs = NULL;
+
+ return ret;
+}
+
+audio_return_e hal_audio_get_volume_level_max(void *audio_handle, audio_volume_info_s *info, uint32_t *level)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->get_volume_level_max, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->get_volume_level_max(audio_handle, info, level);
+}
+
+audio_return_e hal_audio_get_volume_level(void *audio_handle, audio_volume_info_s *info, uint32_t *level)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->get_volume_level, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->get_volume_level(audio_handle, info, level);
+}
+
+audio_return_e hal_audio_set_volume_level(void *audio_handle, audio_volume_info_s *info, uint32_t level)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->set_volume_level, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->set_volume_level(audio_handle, info, level);
+}
+
+audio_return_e hal_audio_get_volume_value(void *audio_handle, audio_volume_info_s *info, uint32_t level, double *value)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->get_volume_value, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->get_volume_value(audio_handle, info, level, value);
+}
+
+
+audio_return_e hal_audio_get_volume_mute(void *audio_handle, audio_volume_info_s *info, uint32_t *mute)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->get_volume_mute, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->get_volume_mute(audio_handle, info, mute);
+}
+
+audio_return_e hal_audio_set_volume_mute(void *audio_handle, audio_volume_info_s *info, uint32_t mute)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->set_volume_mute, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->set_volume_mute(audio_handle, info, mute);
+}
+
+audio_return_e hal_audio_set_volume_ratio(void *audio_handle, audio_stream_info_s *info, double ratio)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->set_volume_ratio, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->set_volume_ratio(audio_handle, info, ratio);
+}
+
+audio_return_e hal_audio_notify_ducking_activation_changed(void *audio_handle, audio_ducking_info_s *info, uint32_t is_activated)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->notify_ducking_activation_changed, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->notify_ducking_activation_changed(audio_handle, info, is_activated);
+}
+
+audio_return_e hal_audio_update_route(void *audio_handle, audio_route_info_s *info)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->update_route, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->update_route(audio_handle, info);
+}
+
+audio_return_e hal_audio_update_route_option(void *audio_handle, audio_route_option_s *option)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->update_route_option, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->update_route_option(audio_handle, option);
+}
+
+audio_return_e hal_audio_notify_stream_connection_changed(void *audio_handle, audio_stream_info_s *info, uint32_t is_connected)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->notify_stream_connection_changed, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->notify_stream_connection_changed(audio_handle, info, is_connected);
+}
+
+audio_return_e hal_audio_pcm_open(void *audio_handle, const char *card, const char *device, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods, void **pcm_handle)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_open, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_open(audio_handle, card, device, direction, sample_spec, period_size, periods, pcm_handle);
+}
+
+audio_return_e hal_audio_pcm_start(void *audio_handle, void *pcm_handle)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_start, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_start(audio_handle, pcm_handle);
+}
+
+audio_return_e hal_audio_pcm_stop(void *audio_handle, void *pcm_handle)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_stop, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_stop(audio_handle, pcm_handle);
+}
+
+audio_return_e hal_audio_pcm_close(void *audio_handle, void *pcm_handle)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_close, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_close(audio_handle, pcm_handle);
+}
+
+audio_return_e hal_audio_pcm_avail(void *audio_handle, void *pcm_handle, uint32_t *avail)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_avail, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_avail(audio_handle, pcm_handle, avail);
+}
+
+audio_return_e hal_audio_pcm_write(void *audio_handle, void *pcm_handle, const void *buffer, uint32_t frames)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_write, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_write(audio_handle, pcm_handle, buffer, frames);
+}
+
+audio_return_e hal_audio_pcm_read(void *audio_handle, void *pcm_handle, void *buffer, uint32_t frames)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_read, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_read(audio_handle, pcm_handle, buffer, frames);
+}
+
+audio_return_e hal_audio_pcm_get_fd(void *audio_handle, void *pcm_handle, int *fd)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_get_fd, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_get_fd(audio_handle, pcm_handle, fd);
+}
+
+audio_return_e hal_audio_pcm_recover(void *audio_handle, void *pcm_handle, int revents)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_recover, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_recover(audio_handle, pcm_handle, revents);
+}
+
+audio_return_e hal_audio_pcm_get_params(void *audio_handle, void *pcm_handle, uint32_t direction, void **sample_spec, uint32_t *period_size, uint32_t *periods)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_get_params, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_get_params(audio_handle, pcm_handle, direction, sample_spec, period_size, periods);
+}
+
+audio_return_e hal_audio_pcm_set_params(void *audio_handle, void *pcm_handle, uint32_t direction, void *sample_spec, uint32_t period_size, uint32_t periods)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->pcm_set_params, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->pcm_set_params(audio_handle, pcm_handle, direction, sample_spec, period_size, periods);
+}
+
+audio_return_e hal_audio_add_message_cb(void *audio_handle, message_cb callback, void *user_data)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->add_message_cb, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->add_message_cb(audio_handle, callback, user_data);
+}
+
+audio_return_e hal_audio_remove_message_cb(void *audio_handle, message_cb callback)
+{
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs, AUDIO_ERR_INTERNAL);
+ AUDIO_RETURN_VAL_IF_FAIL(g_hal_audio_funcs->remove_message_cb, AUDIO_ERR_NOT_IMPLEMENTED);
+
+ return g_hal_audio_funcs->remove_message_cb(audio_handle, callback);
+}
projects / platform / hal / api / audio.git / commitdiff