diff options
Diffstat (limited to 'mixer-binding')
| -rw-r--r-- | mixer-binding/CMakeLists.txt | 50 | ||||
| -rw-r--r-- | mixer-binding/mixer-binding.c | 150 | ||||
| -rw-r--r-- | mixer-binding/mixer-binding.h | 30 |
3 files changed, 230 insertions, 0 deletions
diff --git a/mixer-binding/CMakeLists.txt b/mixer-binding/CMakeLists.txt new file mode 100644 index 0000000..bc4ebe6 --- /dev/null +++ b/mixer-binding/CMakeLists.txt @@ -0,0 +1,50 @@ +########################################################################### +# Copyright 2015, 2016, 2017, 2018 IoT.bzh +# +# author: Fulup Ar Foll <fulup@iot.bzh> +# +# 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. +########################################################################### + + +# Add target to project dependency list +PROJECT_TARGET_ADD(mixer-binding) + + # Define project Targets + ADD_LIBRARY(${TARGET_NAME} MODULE mixer-binding.c) + + SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES + PREFIX "" + LABELS "BINDING" + LINK_FLAGS ${BINDINGS_LINK_FLAG} + OUTPUT_NAME ${TARGET_NAME} + ) + + TARGET_LINK_LIBRARIES(${TARGET_NAME} + afb-helpers + ctl-utilities + ${link_libraries} + ) + + # Define target includes for this target client + TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME} + PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} + ) + + # Define target includes for this target client + TARGET_INCLUDE_DIRECTORIES(${TARGET_NAME} + PUBLIC ${CMAKE_CURRENT_SOURCE_DIR} + ) + + # make sure config is copied before starting + add_dependencies(${TARGET_NAME} soft-mixer-config)
\ No newline at end of file diff --git a/mixer-binding/mixer-binding.c b/mixer-binding/mixer-binding.c new file mode 100644 index 0000000..ae83932 --- /dev/null +++ b/mixer-binding/mixer-binding.c @@ -0,0 +1,150 @@ +/* + * Copyright (C) 2016 "IoT.bzh" + * Author Fulup Ar Foll <fulup@iot.bzh> + * + * 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 _GNU_SOURCE +#include <stdio.h> +#include <string.h> +#include <time.h> + +#include "mixer-binding.h" + + +// default api to print log when apihandle not avaliable +PUBLIC afb_dynapi *AFB_default; + +// Config Section definition (note: controls section index should match handle retrieval in HalConfigExec) +static CtlSectionT ctrlSections[]= { + {.key="plugins" , .loadCB= PluginConfig}, + {.key="controls", .loadCB= ControlConfig}, + + {.key=NULL} +}; + +STATIC void ctrlapi_ping (AFB_ReqT request) { + static int count=0; + + count++; + AFB_ReqNotice (request, "Controller:ping count=%d", count); + AFB_ReqSucess(request,json_object_new_int(count), NULL); + + return; +} + +// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT +STATIC AFB_ApiVerbs CtrlApiVerbs[] = { + /* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */ + { .verb = "ping", .callback = ctrlapi_ping , .info = "ping test for API"}, + { .verb = NULL} /* marker for end of the array */ +}; + +STATIC int CtrlLoadStaticVerbs (afb_dynapi *apiHandle, AFB_ApiVerbs *verbs) { + int errcount=0; + + for (int idx=0; verbs[idx].verb; idx++) { + errcount+= afb_dynapi_add_verb(apiHandle, CtrlApiVerbs[idx].verb, NULL, CtrlApiVerbs[idx].callback, (void*)&CtrlApiVerbs[idx], CtrlApiVerbs[idx].auth, 0); + } + + return errcount; +}; + + +STATIC int CtrlInitOneApi (AFB_ApiT apiHandle) { + + AFB_default = apiHandle; // hugely hack to make all V2 AFB_DEBUG to work in fileutils + + // retrieve section config from api handle + CtlConfigT *ctrlConfig = (CtlConfigT*) afb_dynapi_get_userdata(apiHandle); + int err = CtlConfigExec (apiHandle, ctrlConfig); + + return err; +} + +// next generation dynamic API-V3 mode + +STATIC int CtrlLoadOneApi (void *cbdata, AFB_ApiT apiHandle) { + CtlConfigT *ctrlConfig = (CtlConfigT*) cbdata; + + // save closure as api's data context + afb_dynapi_set_userdata(apiHandle, ctrlConfig); + + AFB_ApiNotice (apiHandle, "debug1"); + + // add static controls verbs + int err = CtrlLoadStaticVerbs (apiHandle, CtrlApiVerbs); + if (err) { + AFB_ApiError(apiHandle, "CtrlLoadSection fail to register static V2 verbs"); + goto OnErrorExit; + } + + AFB_ApiNotice (apiHandle, "debug2"); + + // load section for corresponding API + err= CtlLoadSections(apiHandle, ctrlConfig, ctrlSections); + + AFB_ApiNotice (apiHandle, "debug3"); + + // declare an event event manager for this API; + afb_dynapi_on_event(apiHandle, CtrlDispatchApiEvent); + + // init API function (does not receive user closure ??? + afb_dynapi_on_init(apiHandle, CtrlInitOneApi); + + afb_dynapi_seal(apiHandle); + return err; + +OnErrorExit: + return 1; +} + + +PUBLIC int afbBindingVdyn(afb_dynapi *apiHandle) { + + AFB_default = apiHandle; + AFB_ApiNotice (apiHandle, "Controller in afbBindingVdyn"); + + const char *dirList= getenv("CONTROL_CONFIG_PATH"); + if (!dirList) dirList=CONTROL_CONFIG_PATH; + + const char *configPath = CtlConfigSearch(apiHandle, dirList, "config-"); + if (!configPath) { + AFB_ApiError(apiHandle, "CtlPreInit: No config-%s-* config found in %s ", GetBinderName(), dirList); + goto OnErrorExit; + } + + // load config file and create API + CtlConfigT *ctrlConfig = CtlLoadMetaData (apiHandle, configPath); + if (!ctrlConfig) { + AFB_ApiError(apiHandle, "CtrlBindingDyn No valid control config file in:\n-- %s", configPath); + goto OnErrorExit; + } + + + if (!ctrlConfig->api) { + AFB_ApiError(apiHandle, "CtrlBindingDyn API Missing from metadata in:\n-- %s", configPath); + goto OnErrorExit; + } + + AFB_ApiNotice (apiHandle, "Controller API='%s' info='%s'", ctrlConfig->api, ctrlConfig->info); + // create one API per config file (Pre-V3 return code ToBeChanged) + int status = afb_dynapi_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, CtrlLoadOneApi, ctrlConfig); + + return status; + +OnErrorExit: + return -1; +} + diff --git a/mixer-binding/mixer-binding.h b/mixer-binding/mixer-binding.h new file mode 100644 index 0000000..57d4ce9 --- /dev/null +++ b/mixer-binding/mixer-binding.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2016 "IoT.bzh" + * Author Fulup Ar Foll <fulup@iot.bzh> + * + * 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 _CTL_BINDING_INCLUDE_ +#define _CTL_BINDING_INCLUDE_ + +#include <stdio.h> +#include <alsa/asoundlib.h> + +#include <filescan-utils.h> +#include <wrap-json.h> + +#include <ctl-config.h> + +#endif /* _CTL_BINDING_INCLUDE_ */ |