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
|
#pragma once
#include "events.h"
#include "audio-buffer.h"
#ifdef __cplusplus
extern "C" {
#endif
enum {
// Processing failed. The output buffer must be discarded.
CLAP_PROCESS_ERROR = 0,
// Processing succeeded, keep processing.
CLAP_PROCESS_CONTINUE = 1,
// Processing succeeded, keep processing if the output is not quiet.
CLAP_PROCESS_CONTINUE_IF_NOT_QUIET = 2,
// Rely upon the plugin's tail to determine if the plugin should continue to process.
// see clap_plugin_tail
CLAP_PROCESS_TAIL = 3,
// Processing succeeded, but no more processing is required,
// until the next event or variation in audio input.
CLAP_PROCESS_SLEEP = 4,
};
typedef int32_t clap_process_status;
typedef struct clap_process {
// A steady sample time counter.
// This field can be used to calculate the sleep duration between two process calls.
// This value may be specific to this plugin instance and have no relation to what
// other plugin instances may receive.
//
// Set to -1 if not available, otherwise the value must be greater or equal to 0,
// and must be increased by at least `frames_count` for the next call to process.
int64_t steady_time;
// Number of frames to process
uint32_t frames_count;
// time info at sample 0
// If null, then this is a free running host, no transport events will be provided
const clap_event_transport_t *transport;
// Audio buffers, they must have the same count as specified
// by clap_plugin_audio_ports->count().
// The index maps to clap_plugin_audio_ports->get().
// Input buffer and its contents are read-only.
const clap_audio_buffer_t *audio_inputs;
clap_audio_buffer_t *audio_outputs;
uint32_t audio_inputs_count;
uint32_t audio_outputs_count;
// Input and output events.
//
// Events must be sorted by time.
// The input event list can't be modified.
const clap_input_events_t *in_events;
const clap_output_events_t *out_events;
} clap_process_t;
#ifdef __cplusplus
}
#endif
|
