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authorDaniel Willmann <d.willmann@samsung.com>2013-04-12 19:11:15 +0100
committerDaniel Willmann <d.willmann@samsung.com>2013-04-18 19:14:32 +0100
commite865d5b0a4b8eb41def9c5f6412e650b7660a7d9 (patch)
treefced5dd7ad118f7eeb4ea6da49a4da7ec7f81625 /src/lib/ecore_audio
parent542b8743bbae5bba73a7431df570dd034016956f (diff)
ecore_audio: Add tone input class
Signed-off-by: Daniel Willmann <d.willmann@samsung.com>
Diffstat (limited to 'src/lib/ecore_audio')
-rw-r--r--src/lib/ecore_audio/Ecore_Audio.h2
-rw-r--r--src/lib/ecore_audio/ecore_audio_obj_in_tone.c199
-rw-r--r--src/lib/ecore_audio/ecore_audio_obj_in_tone.h57
-rw-r--r--src/lib/ecore_audio/ecore_audio_private.h8
4 files changed, 258 insertions, 8 deletions
diff --git a/src/lib/ecore_audio/Ecore_Audio.h b/src/lib/ecore_audio/Ecore_Audio.h
index ddf34a0497..8a542176e1 100644
--- a/src/lib/ecore_audio/Ecore_Audio.h
+++ b/src/lib/ecore_audio/Ecore_Audio.h
@@ -574,4 +574,6 @@ EAPI void ecore_audio_input_callback_setup(Ecore_Audio_Object *in
574#include <ecore_audio_obj_in_sndfile.h> 574#include <ecore_audio_obj_in_sndfile.h>
575#include <ecore_audio_obj_out_sndfile.h> 575#include <ecore_audio_obj_out_sndfile.h>
576 576
577#include <ecore_audio_obj_in_tone.h>
578
577#endif 579#endif
diff --git a/src/lib/ecore_audio/ecore_audio_obj_in_tone.c b/src/lib/ecore_audio/ecore_audio_obj_in_tone.c
new file mode 100644
index 0000000000..53286cb762
--- /dev/null
+++ b/src/lib/ecore_audio/ecore_audio_obj_in_tone.c
@@ -0,0 +1,199 @@
1#ifdef HAVE_CONFIG_H
2#include <config.h>
3#endif
4
5#include <stdlib.h>
6#include <stdio.h>
7#include <string.h>
8
9#ifdef HAVE_FEATURES_H
10#include <features.h>
11#endif
12
13#include <Eo.h>
14#include "ecore_audio_private.h"
15#include <math.h>
16
17EAPI Eo_Op ECORE_AUDIO_OBJ_IN_TONE_BASE_ID = EO_NOOP;
18
19#define MY_CLASS ECORE_AUDIO_OBJ_IN_TONE_CLASS
20#define MY_CLASS_NAME "ecore_audio_obj_in_tone"
21
22struct _Ecore_Audio_Tone
23{
24 int freq;
25 int phase;
26};
27
28typedef struct _Ecore_Audio_Tone Ecore_Audio_Tone;
29
30static void _read(Eo *eo_obj, void *_pd, va_list *list)
31{
32 int i, remain;
33 Ecore_Audio_Tone *obj = _pd;
34 Ecore_Audio_Input *in_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_IN_CLASS);
35
36
37 void *data = va_arg(*list, void *);
38 int len = va_arg(*list, int);
39 int *ret = va_arg(*list, int *);
40
41 float *val = data;
42
43 remain = in_obj->length * in_obj->samplerate * 4 - obj->phase * 4;
44 if (remain > len)
45 remain = len;
46
47 for (i=0; i<remain/4; i++) {
48 val[i] = sin(2* M_PI * obj->freq * (obj->phase + i) / in_obj->samplerate);
49 }
50
51 obj->phase += i;
52
53 if (ret)
54 *ret = remain;
55}
56
57static void _seek(Eo *eo_obj, void *_pd, va_list *list)
58{
59 int tmp;
60 Ecore_Audio_Tone *obj = _pd;
61 Ecore_Audio_Input *in_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_IN_CLASS);
62
63 double offs = va_arg(*list, double);
64 int mode = va_arg(*list, int);
65 double *ret = va_arg(*list, double *);
66
67 switch (mode) {
68 case SEEK_SET:
69 tmp = offs * in_obj->samplerate;
70 break;
71 case SEEK_CUR:
72 tmp = obj->phase + offs * in_obj->samplerate;
73 break;
74 case SEEK_END:
75 tmp = (in_obj->length + offs) * in_obj->samplerate;
76 break;
77 default:
78 goto err;
79 }
80 if ((tmp < 0) || (tmp > in_obj->length * in_obj->samplerate))
81 goto err;
82
83 obj->phase = tmp;
84
85 if (ret)
86 *ret = (double)obj->phase / in_obj->samplerate;
87
88err:
89 if (ret)
90 *ret = -1.0;
91}
92
93static void _source_set(Eo *eo_obj, void *_pd, va_list *list)
94{
95 Ecore_Audio_Tone *obj = _pd;
96
97 Ecore_Audio_Object *ea_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
98 Ecore_Audio_Input *in_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_IN_CLASS);
99
100 const char *source = va_arg(*list, const char *);
101
102 eina_stringshare_replace(&ea_obj->source, source);
103
104 if (!ea_obj->source)
105 return;
106
107 ea_obj->format = ECORE_AUDIO_FORMAT_AUTO;
108}
109
110static void _source_get(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
111{
112 Ecore_Audio_Object *obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
113
114 const char **ret = va_arg(*list, const char **);
115
116 if (ret)
117 *ret = obj->source;
118}
119
120static void _format_set(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
121{
122 Ecore_Audio_Object *ea_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
123
124 Ecore_Audio_Format format= va_arg(*list, Ecore_Audio_Format);
125
126 if (ea_obj->source) {
127 ERR("Input is already open - cannot change format");
128 return;
129 }
130
131 switch (format) {
132 default:
133 ERR("Format not supported!");
134 return;
135 }
136 ea_obj->format = format;
137}
138
139static void _format_get(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
140{
141 Ecore_Audio_Object *obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
142
143 Ecore_Audio_Format *ret = va_arg(*list, Ecore_Audio_Format *);
144
145 if (ret)
146 *ret = obj->format;
147}
148
149static void _constructor(Eo *eo_obj, void *_pd, va_list *list EINA_UNUSED)
150{
151 Ecore_Audio_Tone *obj = _pd;
152 Ecore_Audio_Input *in_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_IN_CLASS);
153
154 eo_do_super(eo_obj, MY_CLASS, eo_constructor());
155
156 in_obj->channels = 1;
157 in_obj->samplerate = 44100;
158 in_obj->length = 1;
159
160 obj->freq = 1000;
161}
162
163static void _class_constructor(Eo_Class *klass)
164{
165 const Eo_Op_Func_Description func_desc[] = {
166 /* Virtual functions of parent class implemented in this class */
167 EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
168 //EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_DESTRUCTOR), _destructor),
169
170 EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_SOURCE_SET), _source_set),
171 EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_SOURCE_GET), _source_get),
172 EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_FORMAT_SET), _format_set),
173 EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_FORMAT_GET), _format_get),
174
175 EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_SEEK), _seek),
176 EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_READ_INTERNAL), _read),
177
178 EO_OP_FUNC_SENTINEL
179 };
180
181 eo_class_funcs_set(klass, func_desc);
182}
183
184static const Eo_Op_Description op_desc[] = {
185 EO_OP_DESCRIPTION_SENTINEL
186};
187
188static const Eo_Class_Description class_desc = {
189 EO_VERSION,
190 MY_CLASS_NAME,
191 EO_CLASS_TYPE_REGULAR,
192 EO_CLASS_DESCRIPTION_OPS(&ECORE_AUDIO_OBJ_IN_TONE_BASE_ID, op_desc, ECORE_AUDIO_OBJ_IN_TONE_SUB_ID_LAST),
193 NULL,
194 sizeof(Ecore_Audio_Tone),
195 _class_constructor,
196 NULL
197};
198
199EO_DEFINE_CLASS(ecore_audio_obj_in_tone_class_get, &class_desc, ECORE_AUDIO_OBJ_IN_CLASS, NULL);
diff --git a/src/lib/ecore_audio/ecore_audio_obj_in_tone.h b/src/lib/ecore_audio/ecore_audio_obj_in_tone.h
new file mode 100644
index 0000000000..a02669118b
--- /dev/null
+++ b/src/lib/ecore_audio/ecore_audio_obj_in_tone.h
@@ -0,0 +1,57 @@
1#ifndef ECORE_AUDIO_IN_TONE_H
2#define ECORE_AUDIO_IN_TONE_H
3
4#include <Eina.h>
5#include <Eo.h>
6
7#ifdef EAPI
8#undef EAPI
9#endif
10
11#ifdef __GNUC__
12#if __GNUC__ >= 4
13#define EAPI __attribute__ ((visibility("default")))
14#else
15#define EAPI
16#endif
17#else
18#define EAPI
19#endif
20
21/**
22 * @file ecore_audio_obj_in_tone.h
23 * @brief Audio Module
24 */
25
26#ifdef __cplusplus
27extern "C"
28{
29#endif
30
31/**
32 * @addtogroup Ecore_Audio_Group
33 * @{
34 */
35
36#define ECORE_AUDIO_OBJ_IN_TONE_CLASS ecore_audio_obj_in_tone_class_get()
37
38const Eo_Class *ecore_audio_obj_in_tone_class_get() EINA_CONST;
39
40extern EAPI Eo_Op ECORE_AUDIO_OBJ_IN_TONE_BASE_ID;
41
42enum Ecore_Audio_Obj_In_Tone_Sub_Ids
43{
44 ECORE_AUDIO_OBJ_IN_TONE_SUB_ID_LAST
45};
46
47#define ECORE_AUDIO_OBJ_IN_TONE_ID(sub_id) (ECORE_AUDIO_OBJ_IN_TONE_BASE_ID + EO_TYPECHECK(enum Ecore_Audio_Obj_In_Tone_Sub_Ids, sub_id)
48
49/**
50 * @}
51 */
52
53#ifdef __cplusplus
54}
55#endif
56
57#endif
diff --git a/src/lib/ecore_audio/ecore_audio_private.h b/src/lib/ecore_audio/ecore_audio_private.h
index 7d74215a19..ef08b74a9b 100644
--- a/src/lib/ecore_audio/ecore_audio_private.h
+++ b/src/lib/ecore_audio/ecore_audio_private.h
@@ -184,14 +184,6 @@ Ecore_Audio_Module *ecore_audio_sndfile_init(void);
184void ecore_audio_sndfile_shutdown(void); 184void ecore_audio_sndfile_shutdown(void);
185#endif /* HAVE_SNDFILE */ 185#endif /* HAVE_SNDFILE */
186 186
187/* ecore_audio_tone */
188struct _Ecore_Audio_Tone
189{
190 int freq;
191 double duration;
192 int phase;
193};
194
195Ecore_Audio_Module *ecore_audio_tone_init(void); 187Ecore_Audio_Module *ecore_audio_tone_init(void);
196void ecore_audio_tone_shutdown(void); 188void ecore_audio_tone_shutdown(void);
197 189