aboutsummaryrefslogtreecommitdiff
path: root/test/timely.c
blob: ce442b088ef27e9690dede52638711a4ab4fe5a6 (plain)
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
/*
 * Copyright (c) 2015 Hanspeter Portner (dev@open-music-kontrollers.ch)
 *
 * This is free software: you can redistribute it and/or modify
 * it under the terms of the Artistic License 2.0 as published by
 * The Perl Foundation.
 *
 * This source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Artistic License 2.0 for more details.
 *
 * You should have received a copy of the Artistic License 2.0
 * along the source as a COPYING file. If not, obtain it from
 * http://www.perlfoundation.org/artistic_license_2_0.
 */

#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>

#include <timely.h>

#include <lv2/lv2plug.in/ns/ext/log/log.h>
#include <lv2/lv2plug.in/ns/ext/log/logger.h>

#define TIMELY_PREFIX		"http://open-music-kontrollers.ch/lv2/timely#"
#define TIMELY_TEST_URI	TIMELY_PREFIX"test"

typedef struct _plughandle_t plughandle_t;

struct _plughandle_t {
	LV2_URID_Map *map;
	LV2_Log_Log *log;
	LV2_Log_Logger logger;
	timely_t timely;


	const LV2_Atom_Sequence *event_in;
};

static void
_timely_cb(timely_t *timely, int64_t frames, LV2_URID type, void *data)
{
	plughandle_t *handle = data;

	const int64_t frame = TIMELY_FRAME(timely);

	if(type == TIMELY_URI_BAR_BEAT(timely))
	{
		const float bar_beat = TIMELY_BAR_BEAT_RAW(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:barBeat          %f\n",
			frame, frames, bar_beat);
	}
	else if(type == TIMELY_URI_BAR(timely))
	{
		const int64_t bar = TIMELY_BAR(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:bar              %"PRIi64"\n",
			frame, frames, bar);
	}
	else if(type == TIMELY_URI_BEAT_UNIT(timely))
	{
		const int32_t beat_unit = TIMELY_BEAT_UNIT(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:beatUnit         %"PRIi32"\n",
			frame, frames, beat_unit);
	}
	else if(type == TIMELY_URI_BEATS_PER_BAR(timely))
	{
		const float bpb = TIMELY_BEATS_PER_BAR(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:beatsPerBar      %f\n",
			frame, frames, bpb);
	}
	else if(type == TIMELY_URI_BEATS_PER_MINUTE(timely))
	{
		const float bpm = TIMELY_BEATS_PER_MINUTE(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:beatsPerMinute   %f\n",
			frame, frames, bpm);
	}
	else if(type == TIMELY_URI_FRAME(timely))
	{
		/*
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:frame            %"PRIi64"\n",
			frame, frames, frame);
		*/
	}
	else if(type == TIMELY_URI_FRAMES_PER_SECOND(timely))
	{
		const float fps = TIMELY_FRAMES_PER_SECOND(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:framesPerSecond  %f\n",
			frame, frames, fps);
	}
	else if(type == TIMELY_URI_SPEED(timely))
	{
		const float speed = TIMELY_SPEED(timely);
		lv2_log_trace(&handle->logger, "0x%08"PRIx64" %4"PRIi64" time:speed            %f\n",
			frame, frames, speed);
	}
}

static LV2_Handle
instantiate(const LV2_Descriptor* descriptor, double rate,
	const char *bundle_path, const LV2_Feature *const *features)
{
	plughandle_t *handle = calloc(1, sizeof(plughandle_t));
	if(!handle)
		return NULL;

	for(unsigned i=0; features[i]; i++)
	{
		if(!strcmp(features[i]->URI, LV2_URID__map))
			handle->map = features[i]->data;
		else if(!strcmp(features[i]->URI, LV2_LOG__log))
			handle->log = features[i]->data;
	}

	if(!handle->map)
	{
		fprintf(stderr,
			"%s: Host does not support urid:map\n", descriptor->URI);
		free(handle);
		return NULL;
	}
	if(!handle->log)
	{
		fprintf(stderr,
			"%s: Host does not support log:log\n", descriptor->URI);
		free(handle);
		return NULL;
	}

	lv2_log_logger_init(&handle->logger, handle->map, handle->log);

	timely_mask_t mask = TIMELY_MASK_BAR_BEAT
		| TIMELY_MASK_BAR
		| TIMELY_MASK_BEAT_UNIT
		| TIMELY_MASK_BEATS_PER_BAR
		| TIMELY_MASK_BEATS_PER_MINUTE
		//| TIMELY_MASK_FRAME
		| TIMELY_MASK_FRAMES_PER_SECOND
		| TIMELY_MASK_SPEED
		| TIMELY_MASK_BAR_BEAT_WHOLE
		| TIMELY_MASK_BAR_WHOLE;
	timely_init(&handle->timely, handle->map, rate, mask, _timely_cb, handle);
	timely_set_multiplier(&handle->timely, 1.f);

	return handle;
}

static void
connect_port(LV2_Handle instance, uint32_t port, void *data)
{
	plughandle_t *handle = (plughandle_t *)instance;

	switch(port)
	{
		case 0:
			handle->event_in = (const LV2_Atom_Sequence *)data;
			break;
		default:
			break;
	}
}

static void
run(LV2_Handle instance, uint32_t nsamples)
{
	plughandle_t *handle = instance;
	int64_t from = 0;

	LV2_ATOM_SEQUENCE_FOREACH(handle->event_in, ev)
	{
		const int64_t to = ev->time.frames;
		const LV2_Atom_Object *obj = (const LV2_Atom_Object *)&ev->body;

		const int handled = timely_advance(&handle->timely, obj, from, to);
		(void)handled;
		from = to;
	}

	timely_advance(&handle->timely, NULL, from, nsamples);
}

static void
cleanup(LV2_Handle instance)
{
	plughandle_t *handle = instance;

	free(handle);
}

const LV2_Descriptor timely_test = {
	.URI						= TIMELY_TEST_URI,
	.instantiate		= instantiate,
	.connect_port		= connect_port,
	.activate				= NULL,
	.run						= run,
	.deactivate			= NULL,
	.cleanup				= cleanup,
	.extension_data	= NULL
};

#ifdef _WIN32
__declspec(dllexport)
#else
__attribute__((visibility("default")))
#endif
const LV2_Descriptor*
lv2_descriptor(uint32_t index)
{
	switch(index)
	{
		case 0:
			return &timely_test;
		default:
			return NULL;
	}
}