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
|
#include <gmerlin/avdec.h>
#include <gavl/gavl.h>
#include <m_pd.h>
#define DEBUG(x) x
//#define DEBUG(x)
static t_class *sfsamples_class;
static t_canvas *canvas;
typedef struct _sfsamples
{
t_object x_obj;
t_symbol* filename;
bgav_t* decoder;
} t_sfsamples;
static void sfsamples_bang(t_sfsamples *x)
{
DEBUG(post("sfsamples_bang"));
const gavl_audio_format_t* open_audio_format;
gavl_time_t gavl_time;
if(x->filename == &s_) {
pd_error(x,"no file set");
return;
}
if(!bgav_open(x->decoder, x->filename->s_name)) {
pd_error(x, "Could not open file %s", x->filename->s_name);
}
// only concerned with the first audio stream
open_audio_format = bgav_get_audio_format(x->decoder, 0);
// we can get audio formats that are unkown
if (open_audio_format->sample_format == GAVL_SAMPLE_NONE) {
pd_error(x, "sorry, this file has unsupported audio.");
}
gavl_time = bgav_get_duration(x->decoder, 0);
outlet_float(x->x_obj.ob_outlet, (float)(gavl_time_to_samples(open_audio_format->samplerate, gavl_time) / (float)open_audio_format->samplerate));
}
static void sfsamples_symbol(t_sfsamples *x, t_symbol* filename)
{
DEBUG(post("sfsamples_symbol"));
x->filename = filename;
sfsamples_bang(x);
}
static void *sfsamples_new(t_symbol *s, int argc, t_atom *argv)
{
t_sfsamples *x = (t_sfsamples *)pd_new(sfsamples_class);
// TODO convert args into a filename, so spaces are valid
x->filename == &s_;
outlet_new(&x->x_obj, &s_float);
x->decoder = bgav_create();
return(x);
}
static void sfsamples_free(t_sfsamples *x)
{
bgav_close(x->decoder);
}
void sfsamples_setup(void)
{
sfsamples_class = class_new(gensym("sfsamples"),
(t_newmethod)sfsamples_new,
(t_method)sfsamples_free,
sizeof(t_sfsamples),
0, A_GIMME, 0);
class_addbang(sfsamples_class, (t_method)sfsamples_bang);
class_addsymbol(sfsamples_class, (t_method)sfsamples_symbol);
}
|
