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node-pulseaudio-control
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We're compiling! Yaaaa<SEG FAULT>

This commit is contained in:
John Shaver 2018-04-19 21:01:34 -07:00
parent 5220d1e7e0
commit f8bbfbb2d2
5 changed files with 132 additions and 160 deletions
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1
_vimrc_local.vim Normal file
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@ -0,0 +1 @@
let g:ale_cpp_gcc_options = '-I /usr/local/include/node/node_api.h'

3
binding.gyp
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@ -2,7 +2,8 @@
"targets": [ "targets": [
{ {
"target_name": "miccontrol", "target_name": "miccontrol",
"sources": ["main.c"] "sources": ["main.c"],
"libraries": ["/usr/lib/x86_64-linux-gnu/libpulse.so"]
} }
] ]
} }

1
build/.git_keep
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@ -1 +0,0 @@
#keep this dir

283
main.c
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@ -1,187 +1,158 @@
/*
* main.c
* Copyright (C) 2018 jshaver <john@jshaver.net>
*
* Distributed under terms of the MIT license.
*/
#include <node_api.h> #include <node_api.h>
#include "stdio.h" #include <stdio.h>
#include "pulse/pulseaudio.h" #include <pulse/pulseaudio.h>
struct CBData { struct PACBData {
pa_context *context; pa_context *context;
pa_mainloop *mainloop; pa_mainloop *mainloop;
}
namespace miccontrol {
const char *NAME = "miccontrol";
void querySources(pa_context *c, void *userdata);
void handleSourceList(struct pa_context *c, const pa_source_info *i, int eol, void *userdata);
napi_value connectToPulse(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
pa_context *context;
CBData *cbData;
napi_status status;
status = napi_get_cb_info(env, info, &argc, args, nullptr, cbData);
assert(status == napi_ok);
napi_value *cb;
status = napi_create_reference(env, args[0], 1, cb);
assert(status == napi_ok);
int ret = 1;
pa_context_set_state_callback(cbData->context, connectToPulseCB, cb);
pa_context_connect(cbData->context, NULL, 0, NULL);
pa_mainloop_run(mainloop, &ret);
pa_context_unref(context);
pa_mainloop_free(mainloop);
return ret;
}
void connect_cb(pa_context *context, void *userdata) {
napi_status status;
napi_value argv[1];
pa_context_state pa_state = pa_context_get_state(context);
if(pa_state == PA_CONTEXT_READY) {
napi_get_undefined(env,
} else if(pa_state == PA_CONTEXT_FAILED) {
} else {
//eventually need to look into reconnecting on disconnections and handling
//connection failures.
}
}
napi_value getSources() {
pa_operation *getSourceOp = NULL;
getSourceOp = pa_context_get_source_info_list(context, handleSourceList, NULL);
if(!getSourceOp) {
} else {
pa_operation_state_t state = pa_operation_get_state(getSourceOp);
switch(state) {
case PA_OPERATION_RUNNING:
break;
case PA_OPERATION_DONE:
break;
case PA_OPERATION_CANCELLED:
}
}
}
}; };
void querySources(pa_context *c, void *userdata) { struct NapiCBData {
} napi_value *cb;
napi_env *env;
napi_ref *cbRef;
};
void handleSourceList(pa_context *c, const pa_source_info *i, int eol, void *userdata) { const char *NAME = "miccontrol";
printf("Callback called...\n");
printf("eol is %d\n", eol);
printf(i->description);
printf("\n");
return;
}
void handleSourceList(struct pa_context *c, const pa_source_info *i, int eol, void *userdata);
void connectToPulseCB(pa_context *context, void *userdata);
napi_value connectToPulse(napi_env env, napi_callback_info info);
napi_value init(napi_env env, napi_value exports);
napi_value connectToPulse(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
struct PACBData *paCBData;
napi_status status;
struct NapiCBData *napiCBData = malloc(sizeof(*napiCBData));
status = napi_get_cb_info(env, info, &argc, args, NULL, (void**)&paCBData);
assert(status == napi_ok);
napiCBData->env = &env;
status = napi_create_reference(env, args[0], 1, napiCBData->cbRef);
assert(status == napi_ok);
int ret = 1;
pa_context_set_state_callback(paCBData->context, connectToPulseCB, napiCBData);
pa_context_connect(paCBData->context, NULL, 0, NULL);
pa_mainloop_run(paCBData->mainloop, &ret);
pa_context_unref(paCBData->context);
pa_mainloop_free(paCBData->mainloop);
//free(napiCBData);
return NULL;
} }
void connectToPulseCB(pa_context *context, void *userdata) {
napi_status status;
napi_value argv[1];
struct NapiCBData *napiCBData = (struct NapiCBData*)userdata;
pa_context_state_t pa_state = pa_context_get_state(context);
napi_value errorString;
if(pa_state == PA_CONTEXT_READY) {
status = napi_get_undefined(*(napiCBData->env), &argv[0]);
} else if(pa_state == PA_CONTEXT_FAILED) {
status = napi_create_string_utf8(
*(napiCBData->env),
"Error connecting to Pulse Audio",
NAPI_AUTO_LENGTH,
&errorString);
assert(status == napi_ok);
status = napi_create_error(*(napiCBData->env), NULL, errorString, &argv[0]);
assert(status == napi_ok);
} else {
//eventually need to look into reconnecting on disconnections and handling
//connection failures.
}
napi_value global;
status = napi_get_global(*(napiCBData->env), &global);
assert(status == napi_ok);
napi_value result;
napi_value cb;
status = napi_get_reference_value(*(napiCBData->env), *(napiCBData->cbRef), &cb);
assert(status == napi_ok);
status = napi_call_function(*(napiCBData->env), global, cb, 1, argv, &result);
assert(status == napi_ok);
}
//napi_value getSources() {
// pa_operation *getSourceOp = NULL;
// getSourceOp = pa_context_get_source_info_list(context, handleSourceList, NULL);
// if(!getSourceOp) {
// } else {
// pa_operation_state_t state = pa_operation_get_state(getSourceOp);
// switch(state) {
// case PA_OPERATION_RUNNING:
// break;
// case PA_OPERATION_DONE:
// break;
// case PA_OPERATION_CANCELLED:
// }
// }
//}
//
//void handleSourceList(pa_context *c, const pa_source_info *i, int eol, void *userdata) {
// printf("Callback called...\n");
// printf("eol is %d\n", eol);
// printf(i->description);
// printf("\n");
//
// return;
//}
napi_value init(napi_env env, napi_value exports) { napi_value init(napi_env env, napi_value exports) {
static pa_mainloop *mainloop = pa_mainloop_new(); pa_mainloop *mainloop = pa_mainloop_new();
static pa_mainloop_api *mainloop_api = pa_mainloop_get_api(mainloop); pa_mainloop_api *mainloop_api = pa_mainloop_get_api(mainloop);
static pa_context *context = pa_context_new(mainloop_api, NULL); pa_context *context = pa_context_new(mainloop_api, NULL);
CBData *cbData; struct PACBData *paCBData = malloc(sizeof(*paCBData));
cbData.context = context; paCBData->context = context;
cbData.mainloop = mainloop; paCBData->mainloop = mainloop;
napi_status status; napi_status status;
napi_value fn; napi_value fn;
status = napi_create_function(env, NULL, NAPI_AUTO_LENGTH, callConnectToPulse, cbData, &fn); status = napi_create_function(
env,
"connectToPulse",
NAPI_AUTO_LENGTH,
connectToPulse,
paCBData,
&fn);
if(status != napi_ok) { if(status != napi_ok) {
return nullptr; return NULL;
} }
status = napi_set_named_property(env, exports, "connectToPulse", fn); status = napi_set_named_property(env, exports, "connectToPulse", fn);
if(status != napi_ok) { if(status != napi_ok) {
return nullptr; return NULL;
} }
status = napi_create_function(env, NULL, NAPI_AUTO_LENGTH, getSources, cbData, &fn); // status = napi_create_function(env, NULL, NAPI_AUTO_LENGTH, getSources, paCBData, &fn);
//
if(status != napi_ok) { // if(status != napi_ok) {
return nullptr; // return NULL;
} // }
//
// status = napi_set_named_property(env, exports, "getSources", fn);
//
// if(status != napi_ok) {
// return NULL;
// }
status = napi_set_named_property(env, exports, "getSources", fn);
if(status != napi_ok) {
return nullptr;
}
if(status != napi_ok) {
return nullptr;
}
return exports; return exports;
} }
NAPI_MODULE(NODE_GYP_MODULE_NAME, init); NAPI_MODULE(NODE_GYP_MODULE_NAME, init);
napi_value addStatusListener(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value* args;
CBData *cbData;
napi_status status;
status = napi_get_cb_info(env, info, &argc, args, nullptr, &cbData);
assert(status == napi_ok);
if(argc !== 1) {
return nullptr;
}
napi_value emitter = args[0];
status = napi_create_reference(env, args[0], 1, cbData.emitter);
assert(status == napi_ok);
return napi_ok;
}
void emitToJS(napi_env env, napi_value fn, const char* event, napi_value data) {
napi_value emitArgs[2];
napi_status status;
status = napi_create_string_utf8(env, event, NAPI_AUTO_LENGTH, emitArgs);
assert(status == napi_ok);
napi_value global;
status = napi_get_global(env, &global);
assert(status == napi_ok);
napi_value result;
emitArgs[1] = data;
status = napi_call_function(env, global, fn, 2, emitArgs, result);
assert(status == napi_ok);
return;
}

4
main.js
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@ -1,4 +1,4 @@
const nativeCode = require('bindings')(miccontrol.node);= const nativeCode = require('bindings')('miccontrol.node');
let connectionStarted = false; let connectionStarted = false;
let connected = false; let connected = false;
let queuedRequests = []; let queuedRequests = [];
@ -48,7 +48,7 @@ module.exports = () => {
return aAddon.isSourceMuted(id); return aAddon.isSourceMuted(id);
}, },
toggleMute: async () => { toggleMute: async () => {
if(await aAddon.isSourceMuted)(id) { if(await aAddon.isSourceMuted(id)) {
return aAddon.unmuteSource(id); return aAddon.unmuteSource(id);
} }
return aAddon.muteSource(id); return aAddon.muteSource(id);