path: root/tvapi/libtv/audio/CAudioCustomerCtrl.cpp (plain)
blob: 4ffc8dacff8256914671f6804045e1b85922ff8f

1	#include "CAudioCustomerCtrl.h"
2	#include <dlfcn.h>
3	#include "CTvLog.h"
4	#include "tvsetting/audio_cfg.h"
5
6	CAudioCustomerCtrl::CAudioCustomerCtrl()
7	{
8	gExternalDacLibHandler = NULL;
9	mpDacMuteFun = NULL;
10	mpDacMainVolFun = NULL;
11	mpDacBalanceFun = NULL;
12	mpSetSourceTypeFun = NULL;
13	}
14
15	CAudioCustomerCtrl::~CAudioCustomerCtrl()
16	{
17	UnLoadExternalDacLib();
18	}
19
20	int CAudioCustomerCtrl::UnLoadExternalDacLib(void)
21	{
22	if (gExternalDacLibHandler != NULL) {
23	dlclose(gExternalDacLibHandler);
24	gExternalDacLibHandler = NULL;
25	}
26
27	mpDacMuteFun = NULL;
28	mpDacMainVolFun = NULL;
29	mpDacBalanceFun = NULL;
30	mpSetSourceTypeFun = NULL;
31
32	return 0;
33	}
34
35	int CAudioCustomerCtrl::LoadExternalDacLib(void)
36	{
37	char *error;
38
39	LOGD("%s, entering...\n", __FUNCTION__);
40
41	if (gExternalDacLibHandler != NULL) {
42	return 0;
43	}
44
45	const char *config_value = GetAudExtDacLibPath();
46	gExternalDacLibHandler = dlopen(config_value, RTLD_NOW);
47	if (!gExternalDacLibHandler) {
48	LOGE("%s, failed to load external dac lib (%s)\n", __FUNCTION__, config_value);
49	goto Error;
50	}
51
52	mpDacMuteFun = (int(*)(int))dlsym(gExternalDacLibHandler, "HandleDacMute");
53	if (mpDacMuteFun == NULL) {
54	LOGE("%s, fail find fun mpDacMuteFun()\n", __FUNCTION__);
55	goto Error;
56	}
57	mpDacMainVolFun = (int(*)(int))dlsym(gExternalDacLibHandler, "HandleDacMainVolume");
58	if (mpDacMainVolFun == NULL) {
59	LOGE("%s, fail find fun HandleDacMainVolume()\n", __FUNCTION__);
60	goto Error;
61	}
62	mpDacBalanceFun = (int(*)(int))dlsym(gExternalDacLibHandler, "HandleDacBalance");
63	if (mpDacBalanceFun == NULL) {
64	LOGE("%s, fail find fun HandleDacBalance()\n", __FUNCTION__);
65	goto Error;
66	}
67	mpSetSourceTypeFun = (int(*)(int))dlsym(gExternalDacLibHandler, "HandleAudioSourceType");
68	if (mpSetSourceTypeFun == NULL) {
69	LOGE("%s, fail find fun HandleAudioSourceType()\n", __FUNCTION__);
70	goto Error;
71	}
72
73	return 0;
74
75	Error: //
76	mpDacMuteFun = NULL;
77	mpDacMainVolFun = NULL;
78	mpDacBalanceFun = NULL;
79	mpSetSourceTypeFun = NULL;
80
81	if (gExternalDacLibHandler != NULL) {
82	dlclose(gExternalDacLibHandler);
83	gExternalDacLibHandler = NULL;
84	}
85	return -1;
86	}
87
88	// 0 mute, 1 unmute
89	int CAudioCustomerCtrl::SetMute(int mute)
90	{
91	int ret = LoadExternalDacLib();
92	if (mpDacMuteFun != NULL) {
93	ret = (*mpDacMuteFun)(mute);
94	}
95	return ret;
96	}
97
98	int CAudioCustomerCtrl::SetVolumeBar(int vol)
99	{
100	int ret = LoadExternalDacLib();
101	if (mpDacMainVolFun != NULL) {
102	LOGD("%s, call external dac lib HandleDacMainVolume (para = %d).\n", __FUNCTION__, vol);
103	ret = (*mpDacMainVolFun)(vol);
104	}
105	return ret;
106	}
107
108	int CAudioCustomerCtrl::SetBlance(int balance)
109	{
110	int ret = LoadExternalDacLib();
111	if (mpDacBalanceFun != NULL) {
112	LOGD("%s, call external dac lib HandleDacBalance (para = %d).\n", __FUNCTION__, balance);
113	ret = (*mpDacBalanceFun)(balance);
114	}
115	return ret;
116	}
117
118	int CAudioCustomerCtrl::SetSource(int source)
119	{
120	int ret = LoadExternalDacLib();
121	if (mpSetSourceTypeFun != NULL) {
122	LOGD("%s, call external dac lib HandleAudioSourceType (para = %d).\n", __FUNCTION__, source);
123	ret = (*mpSetSourceTypeFun)(source);
124	}
125	return ret;
126	}
127