1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/* Author: Max Howell <max.howell@methylblue.com>, (C) 2004
Copyright: See COPYING file that comes with this distribution */
/* need access to port_ticket */
#define XINE_ENGINE_INTERNAL
#define LOG_MODULE "codine-scope"
#define LOG_LEVEL LOG_LEVEL_DEBUG
// #define LOG
#include "xineScope.h"
#include <xine/post.h>
#include <xine/xine_internal.h>
typedef struct scope_plugin_s {
post_plugin_t super;
int channels;
int64_t pts_per_smpls;
MyNode *list;
} scope_plugin_t;
int scope_plugin_channels(void *post)
{
scope_plugin_t *self = post;
return self->channels;
}
MyNode *scope_plugin_list(void *post)
{
scope_plugin_t *self = post;
return self->list;
}
int64_t scope_plugin_pts_per_smpls(void *post)
{
scope_plugin_t *self = post;
return self->pts_per_smpls;
}
/*************************
* post plugin functions *
*************************/
static int
scope_port_open( xine_audio_port_t *port_gen, xine_stream_t *stream, uint32_t bits, uint32_t rate, int mode )
{
lprintf("scope_port_open()\n");
post_audio_port_t *port = (post_audio_port_t *)port_gen;
scope_plugin_t *self = (scope_plugin_t *)port->post;
_x_post_rewire( (post_plugin_t*)port->post );
_x_post_inc_usage( port );
port->stream = stream;
port->bits = bits;
port->rate = rate;
port->mode = mode;
self->channels = _x_ao_mode2channels(mode);
int ret = port->original_port->open( port->original_port, stream, bits, rate, mode );
#if XINE_MAJOR_VERSION > 1 || (XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION > 2) || \
(XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION == 2 && XINE_SUB_VERSION >= 10)
self->pts_per_smpls = ((uint32_t)90000 * (uint32_t)32768) / rate;
#else
self->pts_per_smpls = stream->metronom->pts_per_smpls;
#endif
return ret;
}
static void
scope_port_close( xine_audio_port_t *port_gen, xine_stream_t *stream )
{
lprintf("scope_port_close()\n");
post_audio_port_t *port = (post_audio_port_t *)port_gen;
scope_plugin_t *self = (scope_plugin_t *)port->post;
/* ensure the buffers are deleted during the next VideoWindow::timerEvent */
MyNode *node;
for (node = self->list->next; node != self->list; node = node->next)
{
node->vpts = node->vpts_end - 1;
}
port->stream = NULL;
port->original_port->close( port->original_port, stream );
_x_post_dec_usage( port );
}
static void
scope_port_put_buffer( xine_audio_port_t *port_gen, audio_buffer_t *buf, xine_stream_t *stream )
{
post_audio_port_t *port = (post_audio_port_t *)port_gen;
scope_plugin_t *self = (scope_plugin_t *)port->post;
/* we are too simple to handle 8bit */
/* what does it mean when stream == NULL? */
if( port->bits == 8 ) {
port->original_port->put_buffer( port->original_port, buf, stream ); return; }
MyNode *new_node;
const int num_samples = buf->num_frames * self->channels;
new_node = malloc( sizeof(MyNode) );
#ifdef METRONOM_VPTS
new_node->vpts = stream->metronom->get_option(stream->metronom, METRONOM_VPTS);
#else
new_node->vpts = stream->metronom->got_audio_samples( stream->metronom, 0, 0 );
#endif
new_node->num_frames = buf->num_frames;
new_node->mem = malloc( num_samples * 2 );
memcpy( new_node->mem, buf->mem, num_samples * 2 );
{
int64_t
K = self->pts_per_smpls; /*smpls = 1<<16 samples*/
K *= num_samples;
K /= (1<<16);
K += new_node->vpts;
new_node->vpts_end = K;
}
/* pass data to original port */
port->original_port->put_buffer( port->original_port, buf, stream );
/* finally we should append the current buffer to the list
* NOTE this is thread-safe due to the way we handle the list in the GUI thread */
new_node->next = self->list->next;
self->list->next = new_node;
}
static void
scope_dispose( post_plugin_t *this )
{
MyNode *list = ((scope_plugin_t *)this)->list;
MyNode *prev;
MyNode *node = list;
/* Free all elements of the list (a ring buffer) */
do
{
prev = node->next;
free(node->mem);
free(node);
node = prev;
} while(node != list);
free(this);
}
/************************
* plugin init function *
************************/
#if XINE_MAJOR_VERSION > 1 || (XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION > 2) || \
(XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION == 2 && XINE_SUB_VERSION >= 10)
static post_plugin_t* scope_plugin_new( post_class_t *class_gen, int inputs, xine_audio_port_t *audio_target[], xine_video_port_t *video_target[] )
#else
xine_post_t* scope_plugin_new( xine_t *xine, xine_audio_port_t *audio_target )
#endif
{
if( audio_target == NULL )
return NULL;
scope_plugin_t *scope_plugin = calloc(1, sizeof(scope_plugin_t));
post_plugin_t *post_plugin = (post_plugin_t *)scope_plugin;
{
post_in_t *input;
post_out_t *output;
post_audio_port_t *port;
_x_post_init(post_plugin, 1, 0);
#if XINE_MAJOR_VERSION > 1 || (XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION > 2) || \
(XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION == 2 && XINE_SUB_VERSION >= 10)
port = _x_post_intercept_audio_port( post_plugin, audio_target[0], &input, &output );
#else
port = _x_post_intercept_audio_port( post_plugin, audio_target, &input, &output );
#endif
port->new_port.open = scope_port_open;
port->new_port.close = scope_port_close;
port->new_port.put_buffer = scope_port_put_buffer;
post_plugin->xine_post.audio_input[0] = &port->new_port;
post_plugin->xine_post.type = PLUGIN_POST;
post_plugin->dispose = scope_dispose;
}
#if XINE_MAJOR_VERSION < 1 || (XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION < 2) || \
(XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION == 2 && XINE_SUB_VERSION < 10)
/* code is straight from xine_init_post()
can't use that function as it only dlopens the plugins
and our plugin is statically linked in */
post_plugin->running_ticket = xine->port_ticket;
post_plugin->xine = xine;
#endif
/* scope_plugin_t init */
scope_plugin->channels = 0;
scope_plugin->pts_per_smpls = 0;
scope_plugin->list = calloc(1, sizeof(MyNode));
scope_plugin->list->next = scope_plugin->list;
#if XINE_MAJOR_VERSION > 1 || (XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION > 2) || \
(XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION == 2 && XINE_SUB_VERSION >= 10)
return post_plugin;
#else
return &post_plugin->xine_post;
#endif
}
#if XINE_MAJOR_VERSION > 1 || (XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION > 2) || \
(XINE_MAJOR_VERSION == 1 && XINE_MINOR_VERSION == 2 && XINE_SUB_VERSION >= 10)
static void *scope_init_plugin(xine_t *xine, const void *data)
{
static const post_class_t post_scope_class = {
.open_plugin = scope_plugin_new,
.identifier = "codeine-scope",
.description = "Codeine Scope",
.dispose = NULL,
};
(void)xine;
(void)data;
return (void*)&post_scope_class;
}
static const post_info_t scope_special_info = {
.type = XINE_POST_TYPE_AUDIO_VISUALIZATION,
};
const plugin_info_t scope_plugin_info[] = {
{ PLUGIN_POST, 10, "codeine-scope", XINE_VERSION_CODE, &scope_special_info, scope_init_plugin },
{ PLUGIN_NONE, 0, NULL, 0, NULL, NULL }
};
#endif
|
