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
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup spseq
*/
#include "DNA_sequence_types.h"
#include "DNA_sound_types.h"
#include "BLI_listbase.h"
#include "BLI_threads.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_sound.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_screen.h"
#include "MEM_guardedalloc.h"
#include "sequencer_intern.h"
typedef struct PreviewJob {
ListBase previews;
ThreadMutex *mutex;
Scene *scene;
int total;
int processed;
} PreviewJob;
typedef struct PreviewJobAudio {
struct PreviewJobAudio *next, *prev;
struct Main *bmain;
bSound *sound;
int lr; /* Sample left or right. */
int startframe;
bool waveform; /* Reload sound or waveform. */
} PreviewJobAudio;
static void free_preview_job(void *data)
{
PreviewJob *pj = (PreviewJob *)data;
BLI_mutex_free(pj->mutex);
BLI_freelistN(&pj->previews);
MEM_freeN(pj);
}
/* Only this runs inside thread. */
static void preview_startjob(void *data, bool *stop, bool *do_update, float *progress)
{
PreviewJob *pj = data;
PreviewJobAudio *previewjb;
BLI_mutex_lock(pj->mutex);
previewjb = pj->previews.first;
BLI_mutex_unlock(pj->mutex);
while (previewjb) {
PreviewJobAudio *preview_next;
bSound *sound = previewjb->sound;
BKE_sound_read_waveform(previewjb->bmain, sound, stop);
if (*stop || G.is_break) {
BLI_mutex_lock(pj->mutex);
previewjb = previewjb->next;
BLI_mutex_unlock(pj->mutex);
while (previewjb) {
sound = previewjb->sound;
/* Make sure we cleanup the loading flag! */
BLI_spin_lock(sound->spinlock);
sound->tags &= ~SOUND_TAGS_WAVEFORM_LOADING;
BLI_spin_unlock(sound->spinlock);
BLI_mutex_lock(pj->mutex);
previewjb = previewjb->next;
BLI_mutex_unlock(pj->mutex);
}
BLI_mutex_lock(pj->mutex);
BLI_freelistN(&pj->previews);
pj->total = 0;
pj->processed = 0;
BLI_mutex_unlock(pj->mutex);
break;
}
BLI_mutex_lock(pj->mutex);
preview_next = previewjb->next;
BLI_freelinkN(&pj->previews, previewjb);
previewjb = preview_next;
pj->processed++;
*progress = (pj->total > 0) ? (float)pj->processed / (float)pj->total : 1.0f;
*do_update = true;
BLI_mutex_unlock(pj->mutex);
}
}
static void preview_endjob(void *data)
{
PreviewJob *pj = data;
WM_main_add_notifier(NC_SCENE | ND_SEQUENCER, pj->scene);
}
void sequencer_preview_add_sound(const bContext *C, Sequence *seq)
{
wmJob *wm_job;
PreviewJob *pj;
ScrArea *area = CTX_wm_area(C);
PreviewJobAudio *audiojob = MEM_callocN(sizeof(PreviewJobAudio), "preview_audio");
wm_job = WM_jobs_get(CTX_wm_manager(C),
CTX_wm_window(C),
CTX_data_scene(C),
"Strip Previews",
WM_JOB_PROGRESS,
WM_JOB_TYPE_SEQ_BUILD_PREVIEW);
/* Get the preview job if it exists. */
pj = WM_jobs_customdata_get(wm_job);
if (!pj) {
pj = MEM_callocN(sizeof(PreviewJob), "preview rebuild job");
pj->mutex = BLI_mutex_alloc();
pj->scene = CTX_data_scene(C);
WM_jobs_customdata_set(wm_job, pj, free_preview_job);
WM_jobs_timer(wm_job, 0.1, NC_SCENE | ND_SEQUENCER, NC_SCENE | ND_SEQUENCER);
WM_jobs_callbacks(wm_job, preview_startjob, NULL, NULL, preview_endjob);
}
audiojob->bmain = CTX_data_main(C);
audiojob->sound = seq->sound;
BLI_mutex_lock(pj->mutex);
BLI_addtail(&pj->previews, audiojob);
pj->total++;
BLI_mutex_unlock(pj->mutex);
if (!WM_jobs_is_running(wm_job)) {
G.is_break = false;
WM_jobs_start(CTX_wm_manager(C), wm_job);
}
ED_area_tag_redraw(area);
}
|
