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
218
219
220
221
|
/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "osdep/io.h"
#include "talloc.h"
#include "config.h"
#include "mp_msg.h"
#include "stream/stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "mf.h"
static void demux_seek_mf(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){
mf_t * mf = (mf_t *)demuxer->priv;
sh_video_t * sh_video = demuxer->video->sh;
int newpos = (flags & SEEK_ABSOLUTE)?0:mf->curr_frame - 1;
if ( flags & SEEK_FACTOR ) newpos+=rel_seek_secs*(mf->nr_of_files - 1);
else newpos+=rel_seek_secs * sh_video->fps;
if ( newpos < 0 ) newpos=0;
if( newpos >= mf->nr_of_files) newpos=mf->nr_of_files - 1;
demuxer->filepos=mf->curr_frame=newpos;
}
// return value:
// 0 = EOF or no stream found
// 1 = successfully read a packet
static int demux_mf_fill_buffer(demuxer_t *demuxer, demux_stream_t *ds){
mf_t * mf;
FILE * f;
mf=(mf_t*)demuxer->priv;
if ( mf->curr_frame >= mf->nr_of_files ) return 0;
if ( !( f=fopen( mf->names[mf->curr_frame],"rb" ) ) ) return 0;
{
sh_video_t * sh_video = demuxer->video->sh;
fseek(f, 0, SEEK_END);
long file_size = ftell(f);
fseek(f, 0, SEEK_SET);
demux_packet_t * dp = new_demux_packet( file_size );
if ( !fread( dp->buffer,file_size,1,f ) ) return 0;
dp->pts=mf->curr_frame / sh_video->fps;
dp->pos=mf->curr_frame;
dp->keyframe = true;
// append packet to DS stream:
ds_add_packet( demuxer->video,dp );
}
fclose( f );
demuxer->filepos=mf->curr_frame++;
return 1;
}
// force extension/type to have a fourcc
static const struct {
const char *type;
uint32_t format;
} type2format[] = {
{ "bmp", mmioFOURCC('b', 'm', 'p', ' ') },
{ "dpx", mmioFOURCC('d', 'p', 'x', ' ') },
{ "j2k", mmioFOURCC('M', 'J', '2', 'C') },
{ "jp2", mmioFOURCC('M', 'J', '2', 'C') },
{ "jpeg", mmioFOURCC('I', 'J', 'P', 'G') },
{ "jpg", mmioFOURCC('I', 'J', 'P', 'G') },
{ "jls", mmioFOURCC('I', 'J', 'P', 'G') },
{ "thm", mmioFOURCC('I', 'J', 'P', 'G') },
{ "db", mmioFOURCC('I', 'J', 'P', 'G') },
{ "pcx", mmioFOURCC('p', 'c', 'x', ' ') },
{ "png", mmioFOURCC('M', 'P', 'N', 'G') },
{ "ptx", mmioFOURCC('p', 't', 'x', ' ') },
{ "tga", mmioFOURCC('M', 'T', 'G', 'A') },
{ "tif", mmioFOURCC('t', 'i', 'f', 'f') },
{ "sgi", mmioFOURCC('S', 'G', 'I', '1') },
{ "sun", mmioFOURCC('s', 'u', 'n', ' ') },
{ "ras", mmioFOURCC('s', 'u', 'n', ' ') },
{ "ra", mmioFOURCC('s', 'u', 'n', ' ') },
{ "im1", mmioFOURCC('s', 'u', 'n', ' ') },
{ "im8", mmioFOURCC('s', 'u', 'n', ' ') },
{ "im24", mmioFOURCC('s', 'u', 'n', ' ') },
{ "sunras", mmioFOURCC('s', 'u', 'n', ' ') },
{ NULL, 0 }
};
static demuxer_t* demux_open_mf(demuxer_t* demuxer){
sh_video_t *sh_video = NULL;
mf_t *mf = NULL;
int i;
if(!demuxer->stream->url) return NULL;
if(strncmp(demuxer->stream->url, "mf://", 5)) return NULL;
mf=open_mf(demuxer->stream->url + 5);
if(!mf) return NULL;
if(!mf_type){
char* p=strrchr(mf->names[0],'.');
if(!p){
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] file type was not set! (try -mf type=xxx)\n" );
free( mf ); return NULL;
}
mf_type = talloc_strdup(NULL, p+1);
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] file type was not set! trying 'type=%s'...\n", mf_type);
}
demuxer->filepos=mf->curr_frame=0;
demuxer->movi_start = 0;
demuxer->movi_end = mf->nr_of_files - 1;
// create a new video stream header
sh_video = new_sh_video(demuxer, 0);
// make sure the demuxer knows about the new video stream header
// (even though new_sh_video() ought to take care of it)
demuxer->video->sh = sh_video;
// make sure that the video demuxer stream header knows about its
// parent video demuxer stream (this is getting wacky), or else
// video_read_properties() will choke
sh_video->ds = demuxer->video;
for (i = 0; type2format[i].type; i++)
if (strcasecmp(mf_type, type2format[i].type) == 0)
break;
if (!type2format[i].type) {
mp_msg(MSGT_DEMUX, MSGL_INFO, "[demux_mf] unknown input file type.\n" );
free(mf);
return NULL;
}
sh_video->format = type2format[i].format;
sh_video->disp_w = mf_w;
sh_video->disp_h = mf_h;
sh_video->fps = mf_fps;
sh_video->frametime = 1 / sh_video->fps;
// emulate BITMAPINFOHEADER:
sh_video->bih=calloc(1, sizeof(*sh_video->bih));
sh_video->bih->biSize=40;
sh_video->bih->biWidth = mf_w;
sh_video->bih->biHeight = mf_h;
sh_video->bih->biPlanes=1;
sh_video->bih->biBitCount=24;
sh_video->bih->biCompression=sh_video->format;
sh_video->bih->biSizeImage=sh_video->bih->biWidth*sh_video->bih->biHeight*3;
/* disable seeking */
// demuxer->seekable = 0;
demuxer->priv=(void*)mf;
return demuxer;
}
static void demux_close_mf(demuxer_t* demuxer) {
mf_t *mf = demuxer->priv;
free(mf);
}
static int demux_control_mf(demuxer_t *demuxer, int cmd, void *arg) {
mf_t *mf = (mf_t *)demuxer->priv;
sh_video_t *sh_video = demuxer->video->sh;
switch(cmd) {
case DEMUXER_CTRL_GET_TIME_LENGTH:
*((double *)arg) = (double)mf->nr_of_files / sh_video->fps;
return DEMUXER_CTRL_OK;
case DEMUXER_CTRL_GET_PERCENT_POS:
if (mf->nr_of_files <= 1)
return DEMUXER_CTRL_DONTKNOW;
*((int *)arg) = 100 * mf->curr_frame / (mf->nr_of_files - 1);
return DEMUXER_CTRL_OK;
default:
return DEMUXER_CTRL_NOTIMPL;
}
}
const demuxer_desc_t demuxer_desc_mf = {
"mf demuxer",
"mf",
"MF",
"?",
"multiframe?, pictures demuxer",
DEMUXER_TYPE_MF,
0, // no autodetect
NULL,
demux_mf_fill_buffer,
demux_open_mf,
demux_close_mf,
demux_seek_mf,
demux_control_mf
};
|
