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
|
/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpv 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
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <stdbool.h>
#include <inttypes.h>
#include <math.h>
#include <assert.h>
#include "config.h"
#include "mpv_talloc.h"
#include "common/msg.h"
#include "options/options.h"
#include "common/common.h"
#include "common/global.h"
#include "stream/stream.h"
#include "sub/dec_sub.h"
#include "demux/demux.h"
#include "video/mp_image.h"
#include "video/decode/dec_video.h"
#include "video/filter/vf.h"
#include "core.h"
// 0: primary sub, 1: secondary sub, -1: not selected
static int get_order(struct MPContext *mpctx, struct track *track)
{
for (int n = 0; n < NUM_PTRACKS; n++) {
if (mpctx->current_track[n][STREAM_SUB] == track)
return n;
}
return -1;
}
static void reset_subtitles(struct MPContext *mpctx, struct track *track)
{
if (track->d_sub)
sub_reset(track->d_sub);
term_osd_set_subs(mpctx, NULL);
}
void reset_subtitle_state(struct MPContext *mpctx)
{
for (int n = 0; n < mpctx->num_tracks; n++) {
struct dec_sub *d_sub = mpctx->tracks[n]->d_sub;
if (d_sub)
sub_reset(d_sub);
}
term_osd_set_subs(mpctx, NULL);
}
void uninit_sub(struct MPContext *mpctx, struct track *track)
{
if (track && track->d_sub) {
reset_subtitles(mpctx, track);
sub_select(track->d_sub, false);
int order = get_order(mpctx, track);
osd_set_sub(mpctx->osd, order, NULL);
}
}
void uninit_sub_all(struct MPContext *mpctx)
{
for (int n = 0; n < mpctx->num_tracks; n++)
uninit_sub(mpctx, mpctx->tracks[n]);
}
static bool update_subtitle(struct MPContext *mpctx, double video_pts,
struct track *track)
{
struct MPOpts *opts = mpctx->opts;
struct dec_sub *dec_sub = track ? track->d_sub : NULL;
if (!dec_sub || video_pts == MP_NOPTS_VALUE)
return true;
if (mpctx->vo_chain) {
struct mp_image_params params = mpctx->vo_chain->vf->input_params;
if (params.imgfmt)
sub_control(dec_sub, SD_CTRL_SET_VIDEO_PARAMS, ¶ms);
}
video_pts -= opts->sub_delay;
if (track->demuxer->fully_read && sub_can_preload(dec_sub)) {
// Assume fully_read implies no interleaved audio/video streams.
// (Reading packets will change the demuxer position.)
demux_seek(track->demuxer, 0, 0);
sub_preload(dec_sub);
}
if (!sub_read_packets(dec_sub, video_pts))
return false;
// Handle displaying subtitles on terminal; never done for secondary subs
if (mpctx->current_track[0][STREAM_SUB] == track && !mpctx->video_out)
term_osd_set_subs(mpctx, sub_get_text(dec_sub, video_pts));
return true;
}
// Return true if the subtitles for the given PTS are ready; false if the player
// should wait for new demuxer data, and then should retry.
bool update_subtitles(struct MPContext *mpctx, double video_pts)
{
bool ok = true;
for (int n = 0; n < NUM_PTRACKS; n++)
ok &= update_subtitle(mpctx, video_pts, mpctx->current_track[n][STREAM_SUB]);
return ok;
}
static struct attachment_list *get_all_attachments(struct MPContext *mpctx)
{
struct attachment_list *list = talloc_zero(NULL, struct attachment_list);
struct demuxer *prev_demuxer = NULL;
for (int n = 0; n < mpctx->num_tracks; n++) {
struct track *t = mpctx->tracks[n];
if (!t->demuxer || prev_demuxer == t->demuxer)
continue;
prev_demuxer = t->demuxer;
for (int i = 0; i < t->demuxer->num_attachments; i++) {
struct demux_attachment *att = &t->demuxer->attachments[i];
struct demux_attachment copy = {
.name = talloc_strdup(list, att->name),
.type = talloc_strdup(list, att->type),
.data = talloc_memdup(list, att->data, att->data_size),
.data_size = att->data_size,
};
MP_TARRAY_APPEND(list, list->entries, list->num_entries, copy);
}
}
return list;
}
static bool init_subdec(struct MPContext *mpctx, struct track *track)
{
assert(!track->d_sub);
if (!track->demuxer || !track->stream)
return false;
track->d_sub = sub_create(mpctx->global, track->stream,
get_all_attachments(mpctx));
if (!track->d_sub)
return false;
struct track *vtrack = mpctx->current_track[0][STREAM_VIDEO];
struct mp_codec_params *v_c =
vtrack && vtrack->stream ? vtrack->stream->codec : NULL;
double fps = v_c ? v_c->fps : 25;
sub_control(track->d_sub, SD_CTRL_SET_VIDEO_DEF_FPS, &fps);
return true;
}
void reinit_sub(struct MPContext *mpctx, struct track *track)
{
if (!track || !track->stream || track->stream->type != STREAM_SUB)
return;
if (!track->d_sub && !init_subdec(mpctx, track)) {
error_on_track(mpctx, track);
return;
}
sub_select(track->d_sub, true);
int order = get_order(mpctx, track);
osd_set_sub(mpctx->osd, order, track->d_sub);
sub_control(track->d_sub, SD_CTRL_SET_TOP, &(bool){!!order});
}
void reinit_sub_all(struct MPContext *mpctx)
{
for (int n = 0; n < NUM_PTRACKS; n++)
reinit_sub(mpctx, mpctx->current_track[n][STREAM_SUB]);
}
|
