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-rw-r--r--src/audio_io.c590
1 files changed, 590 insertions, 0 deletions
diff --git a/src/audio_io.c b/src/audio_io.c
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index 0000000..46cc472
--- /dev/null
+++ b/src/audio_io.c
@@ -0,0 +1,590 @@
+/*
+* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
+*
+* 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.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <mm.h>
+#include <glib.h>
+#include <audio_io_private.h>
+#include <dlog.h>
+
+#ifdef LOG_TAG
+#undef LOG_TAG
+#endif
+#define LOG_TAG "TIZEN_N_AUDIO_IO"
+
+/*
+* Internal Macros
+*/
+#define AUDIO_IO_CHECK_CONDITION(condition,error,msg) \
+ if(condition) {} else \
+ { LOGE("[%s] %s(0x%08x)",__FUNCTION__, msg,error); return error;}; \
+
+#define AUDIO_IO_NULL_ARG_CHECK(arg) \
+ AUDIO_IO_CHECK_CONDITION(arg != NULL, AUDIO_IO_ERROR_INVALID_PARAMETER, "AUDIO_IO_ERROR_INVALID_PARAMETER" )
+
+/*
+* Internal Implementation
+*/
+static int __convert_error_code(int code, char *func_name)
+{
+ int ret = AUDIO_IO_ERROR_NONE;
+ char* msg = "AUDIO_IO_ERROR_NONE";
+
+ switch(code)
+ {
+ case MM_ERROR_NONE:
+ ret = AUDIO_IO_ERROR_NONE;
+ msg = "AUDIO_IO_ERROR_NONE";
+ break;
+ case MM_ERROR_INVALID_ARGUMENT:
+ case MM_ERROR_SOUND_DEVICE_INVALID_SAMPLERATE:
+ case MM_ERROR_SOUND_DEVICE_INVALID_CHANNEL:
+ case MM_ERROR_SOUND_DEVICE_INVALID_FORMAT:
+ ret = AUDIO_IO_ERROR_INVALID_PARAMETER;
+ msg = "AUDIO_IO_ERROR_INVALID_PARAMETER";
+ break;
+ case MM_ERROR_SOUND_DEVICE_NOT_OPENED:
+ ret = AUDIO_IO_ERROR_DEVICE_NOT_OPENED;
+ msg = "AUDIO_IO_ERROR_DEVICE_NOT_OPENED";
+ break;
+ case MM_ERROR_SOUND_INTERNAL:
+ ret = AUDIO_IO_ERROR_DEVICE_NOT_CLOSED;
+ msg = "AUDIO_IO_ERROR_DEVICE_NOT_CLOSED";
+ break;
+ case MM_ERROR_SOUND_INVALID_POINTER:
+ ret = AUDIO_IO_ERROR_INVALID_BUFFER;
+ msg = "AUDIO_IO_ERROR_INVALID_BUFFER";
+ break;
+ case MM_ERROR_POLICY_BLOCKED:
+ case MM_ERROR_POLICY_INTERRUPTED:
+ case MM_ERROR_POLICY_INTERNAL:
+ case MM_ERROR_POLICY_DUPLICATED:
+ ret = AUDIO_IO_ERROR_SOUND_POLICY;
+ msg = "AUDIO_IO_ERROR_SOUND_POLICY";
+ break;
+ }
+ LOGE("[%s] %s(0x%08x) : core fw error(0x%x)",func_name,msg, ret, code);
+ return ret;
+}
+
+static int __check_parameter(int sample_rate, audio_channel_e channel, audio_sample_type_e type)
+{
+ if(sample_rate<8000 || sample_rate > 48000) {
+ LOGE("[%s] AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) : Invalid sample rate (8000~48000Hz) : %d",__FUNCTION__, AUDIO_IO_ERROR_INVALID_PARAMETER,sample_rate);
+ return AUDIO_IO_ERROR_INVALID_PARAMETER;
+ }
+ if (channel < AUDIO_CHANNEL_MONO || channel > AUDIO_CHANNEL_STEREO) {
+ LOGE("[%s] AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) : Invalid audio channel : %d",__FUNCTION__, AUDIO_IO_ERROR_INVALID_PARAMETER,channel);
+ return AUDIO_IO_ERROR_INVALID_PARAMETER;
+ }
+ if (type < AUDIO_SAMPLE_TYPE_U8 || type > AUDIO_SAMPLE_TYPE_S16_LE) {
+ LOGE("[%s] AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) : Invalid sample typel : %d",__FUNCTION__, AUDIO_IO_ERROR_INVALID_PARAMETER,type);
+ return AUDIO_IO_ERROR_INVALID_PARAMETER;
+ }
+ return AUDIO_IO_ERROR_NONE;
+}
+
+
+static audio_io_interrupted_code_e __translate_interrupted_code (int code)
+{
+ audio_io_interrupted_code_e e = AUDIO_IO_INTERRUPTED_COMPLETED;
+
+ switch(code)
+ {
+ case MM_MSG_CODE_INTERRUPTED_BY_ALARM_END:
+ case MM_MSG_CODE_INTERRUPTED_BY_EMERGENCY_END:
+ e = AUDIO_IO_INTERRUPTED_COMPLETED;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_MEDIA:
+ case MM_MSG_CODE_INTERRUPTED_BY_OTHER_PLAYER_APP:
+ e = AUDIO_IO_INTERRUPTED_BY_MEDIA;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_CALL_START:
+ e = AUDIO_IO_INTERRUPTED_BY_CALL;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_EARJACK_UNPLUG:
+ e = AUDIO_IO_INTERRUPTED_BY_EARJACK_UNPLUG;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_RESOURCE_CONFLICT:
+ e = AUDIO_IO_INTERRUPTED_BY_RESOURCE_CONFLICT;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_ALARM_START:
+ e = AUDIO_IO_INTERRUPTED_BY_ALARM;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_EMERGENCY_START:
+ e = AUDIO_IO_INTERRUPTED_BY_EMERGENCY;
+ break;
+
+ case MM_MSG_CODE_INTERRUPTED_BY_RESUMABLE_MEDIA:
+ e = AUDIO_IO_INTERRUPTED_BY_RESUMABLE_MEDIA;
+ break;
+ }
+
+ return e;
+}
+
+static int __mm_sound_pcm_capture_msg_cb (int message, void *param, void *user_param)
+{
+ audio_io_interrupted_code_e e = AUDIO_IO_INTERRUPTED_COMPLETED;
+ audio_in_s *handle = (audio_in_s *) user_param;
+ MMMessageParamType *msg = (MMMessageParamType*)param;
+
+ LOGI("[%s] Got message type : 0x%x with code : %d" ,__FUNCTION__, message, msg->code);
+
+ if (handle->user_cb == NULL) {
+ LOGI("[%s] No interrupt callback is set. Skip this" ,__FUNCTION__);
+ return 0;
+ }
+
+ if (message == MM_MESSAGE_SOUND_PCM_INTERRUPTED) {
+ e = __translate_interrupted_code (msg->code);
+ } else if (message == MM_MESSAGE_SOUND_PCM_CAPTURE_RESTRICTED) {
+ /* TODO : handling restricted code is needed */
+ /* e = _translate_restricted_code (msg->code); */
+ }
+
+ handle->user_cb (e, handle->user_data);
+
+ return 0;
+}
+
+static int __mm_sound_pcm_playback_msg_cb (int message, void *param, void *user_param)
+{
+ audio_io_interrupted_code_e e = AUDIO_IO_INTERRUPTED_COMPLETED;
+ audio_out_s *handle = (audio_out_s *) user_param;
+ MMMessageParamType *msg = (MMMessageParamType*)param;
+
+ LOGI("[%s] Got message type : 0x%x with code : %d" ,__FUNCTION__, message, msg->code);
+
+ if (handle->user_cb == NULL) {
+ LOGI("[%s] No interrupt callback is set. Skip this" ,__FUNCTION__);
+ return 0;
+ }
+
+ if (message == MM_MESSAGE_SOUND_PCM_INTERRUPTED) {
+ e = __translate_interrupted_code (msg->code);
+ }
+
+ handle->user_cb (e, handle->user_data);
+
+ return 0;
+}
+
+
+/*
+* Public Implementation
+*/
+
+/* Audio In */
+int audio_in_create(int sample_rate, audio_channel_e channel, audio_sample_type_e type , audio_in_h* input)
+{
+ int ret = 0;
+ audio_in_s *handle = NULL;
+
+ /* input condition check */
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ if(__check_parameter(sample_rate, channel, type) != AUDIO_IO_ERROR_NONE)
+ return AUDIO_IO_ERROR_INVALID_PARAMETER;
+
+ /* Create Handle */
+ handle = (audio_in_s*)malloc( sizeof(audio_in_s));
+ if (handle != NULL) {
+ memset(handle, 0, sizeof(audio_in_s));
+ } else {
+ LOGE("[%s] ERROR : AUDIO_IO_ERROR_OUT_OF_MEMORY(0x%08x)" ,__FUNCTION__, AUDIO_IO_ERROR_OUT_OF_MEMORY );
+ return AUDIO_IO_ERROR_OUT_OF_MEMORY;
+ }
+
+ ret = mm_sound_pcm_capture_open( &handle->mm_handle,sample_rate, channel, type);
+ if( ret < 0) {
+ free (handle);
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+ LOGI("[%s] mm_sound_pcm_capture_open() success",__FUNCTION__);
+
+ /* Fill information */
+ *input = (audio_in_h)handle;
+ handle->_buffer_size= ret;
+ handle->_sample_rate= sample_rate;
+ handle->_channel= channel;
+ handle->_type= type;
+
+ /* Set message interrupt callback */
+ ret = mm_sound_pcm_set_message_callback(handle->mm_handle, __mm_sound_pcm_capture_msg_cb, handle);
+ if( ret < 0) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+ LOGI("[%s] mm_sound_pcm_set_message_callback() success",__FUNCTION__);
+
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_destroy(audio_in_h input)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ int ret = mm_sound_pcm_capture_close(handle->mm_handle);
+ if (ret != MM_ERROR_NONE) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+ free(handle);
+
+ LOGI("[%s] mm_sound_pcm_capture_close() success",__FUNCTION__);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_prepare(audio_in_h input)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ int ret = mm_sound_pcm_capture_start(handle->mm_handle);
+ if (ret != MM_ERROR_NONE) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+
+ LOGI("[%s] mm_sound_pcm_capture_start() success",__FUNCTION__);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_unprepare(audio_in_h input)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ int ret = mm_sound_pcm_capture_stop(handle->mm_handle);
+ if (ret != MM_ERROR_NONE) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+
+ LOGI("[%s] mm_sound_pcm_capture_stop() success",__FUNCTION__);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_read(audio_in_h input, void *buffer, unsigned int length )
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ AUDIO_IO_NULL_ARG_CHECK(buffer);
+ audio_in_s *handle = (audio_in_s *) input;
+ int ret = 0;
+ int result = 0;
+
+ ret = mm_sound_pcm_capture_read(handle->mm_handle, (void*) buffer, length);
+ if (ret > 0) {
+ LOGI("[%s] (%d/%d) bytes read" ,__FUNCTION__, ret, length);
+ return ret;
+ }
+
+ switch(ret)
+ {
+ case MM_ERROR_SOUND_INVALID_STATE:
+ result = AUDIO_IO_ERROR_INVALID_OPERATION;
+ LOGE("[%s] (0x%08x) : Not recording started yet.",(char*)__FUNCTION__, AUDIO_IO_ERROR_INVALID_OPERATION);
+ break;
+ default:
+ result = __convert_error_code(ret, (char*)__FUNCTION__);
+ break;
+ }
+ return result;
+}
+
+int audio_in_get_buffer_size(audio_in_h input, int *size)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ AUDIO_IO_NULL_ARG_CHECK(size);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ *size = handle->_buffer_size;
+
+ LOGI("[%s] buffer size = %d",__FUNCTION__, *size);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_get_sample_rate(audio_in_h input, int *sample_rate)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ AUDIO_IO_NULL_ARG_CHECK(sample_rate);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ *sample_rate = handle->_sample_rate;
+
+ LOGI("[%s] sample rate = %d",__FUNCTION__, *sample_rate);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_in_get_channel(audio_in_h input, audio_channel_e *channel)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ AUDIO_IO_NULL_ARG_CHECK(channel);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ *channel = handle->_channel;
+
+ LOGI("[%s] channel = %d",__FUNCTION__, *channel);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_get_sample_type(audio_in_h input, audio_sample_type_e *type)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ AUDIO_IO_NULL_ARG_CHECK(type);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ *type = handle->_type;
+
+ LOGI("[%s] sample type = %d",__FUNCTION__, *type);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_set_interrupted_cb(audio_in_h input, audio_io_interrupted_cb callback, void *user_data)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ AUDIO_IO_NULL_ARG_CHECK(callback);
+ audio_in_s *handle = (audio_in_s *) input;
+
+ handle->user_cb = callback;
+ handle->user_data = user_data;
+
+ LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_in_unset_interrupted_cb(audio_in_h input)
+{
+ AUDIO_IO_NULL_ARG_CHECK(input);
+ audio_in_s * handle = (audio_in_s *) input;
+
+ handle->user_cb = NULL;
+ handle->user_data = NULL;
+
+ LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+/* Audio Out */
+int audio_out_create(int sample_rate, audio_channel_e channel, audio_sample_type_e type, sound_type_e sound_type, audio_out_h* output)
+{
+ audio_out_s *handle = NULL;
+ int ret = 0;
+
+ /* input condition check */
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ if(__check_parameter(sample_rate, channel, type)!=AUDIO_IO_ERROR_NONE)
+ return AUDIO_IO_ERROR_INVALID_PARAMETER;
+ if(sound_type < SOUND_TYPE_SYSTEM || sound_type > SOUND_TYPE_CALL) {
+ LOGE("[%s] ERROR : AUDIO_IO_ERROR_INVALID_PARAMETER(0x%08x) : Invalid sample sound type : %d" ,__FUNCTION__,AUDIO_IO_ERROR_INVALID_PARAMETER,sound_type );
+ return AUDIO_IO_ERROR_INVALID_PARAMETER;
+ }
+
+ /* Create Handle */
+ handle = (audio_out_s*)malloc( sizeof(audio_out_s));
+ if (handle != NULL) {
+ memset(handle, 0 , sizeof(audio_out_s));
+ } else {
+ LOGE("[%s] ERROR : AUDIO_IO_ERROR_OUT_OF_MEMORY(0x%08x)" ,__FUNCTION__,AUDIO_IO_ERROR_OUT_OF_MEMORY );
+ return AUDIO_IO_ERROR_OUT_OF_MEMORY;
+ }
+ ret = mm_sound_pcm_play_open(&handle->mm_handle,sample_rate, channel, type, sound_type);
+ if( ret < 0) {
+ free (handle);
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+ LOGI("[%s] mm_sound_pcm_play_open() success",__FUNCTION__);
+
+ /* Fill information */
+ *output = (audio_out_h)handle;
+ handle->_buffer_size = ret;
+ handle->_sample_rate = sample_rate;
+ handle->_channel = channel;
+ handle->_type = type;
+ handle->_sound_type = sound_type;
+
+ /* Set message interrupt callback */
+ ret = mm_sound_pcm_set_message_callback(handle->mm_handle, __mm_sound_pcm_playback_msg_cb, handle);
+ if( ret < 0) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+ LOGI("[%s] mm_sound_pcm_set_message_callback() success",__FUNCTION__);
+
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_destroy(audio_out_h output)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ int ret = mm_sound_pcm_play_close(handle->mm_handle);
+ if (ret != MM_ERROR_NONE) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+ free(handle);
+
+ LOGI("[%s] mm_sound_pcm_play_close() success",__FUNCTION__);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_prepare(audio_out_h output)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ int ret = mm_sound_pcm_play_start(handle->mm_handle);
+ if (ret != MM_ERROR_NONE) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+
+ LOGI("[%s] mm_sound_pcm_play_start() success",__FUNCTION__);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_unprepare(audio_out_h output)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ int ret = mm_sound_pcm_play_stop(handle->mm_handle);
+ if (ret != MM_ERROR_NONE) {
+ return __convert_error_code(ret, (char*)__FUNCTION__);
+ }
+
+ LOGI("[%s] mm_sound_pcm_play_stop() success",__FUNCTION__);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_write(audio_out_h output, void* buffer, unsigned int length)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(buffer);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ int ret = mm_sound_pcm_play_write(handle->mm_handle, (void*) buffer, length);
+ if (ret > 0) {
+ LOGI("[%s] (%d/%d) bytes written" ,__FUNCTION__, ret, length);
+ return ret;
+ }
+ switch(ret)
+ {
+ case MM_ERROR_SOUND_INVALID_STATE:
+ ret = AUDIO_IO_ERROR_INVALID_OPERATION;
+ LOGE("[%s] (0x%08x) : Not playing started yet.",(char*)__FUNCTION__, AUDIO_IO_ERROR_INVALID_OPERATION);
+ break;
+ default:
+ ret = __convert_error_code(ret, (char*)__FUNCTION__);
+ break;
+ }
+ return ret;
+}
+
+
+int audio_out_get_buffer_size(audio_out_h output, int *size)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(size);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ *size = handle->_buffer_size;
+
+ LOGI("[%s] buffer size = %d",__FUNCTION__, *size);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_sample_rate(audio_out_h output, int *sample_rate)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(sample_rate);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ *sample_rate = handle->_sample_rate;
+
+ LOGI("[%s] sample rate = %d",__FUNCTION__, *sample_rate);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_channel(audio_out_h output, audio_channel_e *channel)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(channel);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ *channel = handle->_channel;
+
+ LOGI("[%s] channel = %d",__FUNCTION__, *channel);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_sample_type(audio_out_h output, audio_sample_type_e *type)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(type);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ *type = handle->_type;
+
+ LOGI("[%s] sample type = %d",__FUNCTION__, *type);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+
+int audio_out_get_sound_type(audio_out_h output, sound_type_e *type)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(type);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ *type = handle->_sound_type;
+
+ LOGI("[%s] sound type = %d",__FUNCTION__, *type);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_set_interrupted_cb(audio_out_h output, audio_io_interrupted_cb callback, void *user_data)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ AUDIO_IO_NULL_ARG_CHECK(callback);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ handle->user_cb = callback;
+ handle->user_data = user_data;
+
+ LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+ return AUDIO_IO_ERROR_NONE;
+}
+
+int audio_out_unset_interrupted_cb(audio_out_h output)
+{
+ AUDIO_IO_NULL_ARG_CHECK(output);
+ audio_out_s *handle = (audio_out_s *) output;
+
+ handle->user_cb = NULL;
+ handle->user_data = NULL;
+
+ LOGI("[%s] current interrupted cb (%p) / data (%p)",__FUNCTION__, handle->user_cb, handle->user_data);
+ return AUDIO_IO_ERROR_NONE;
+}