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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/*
$Id: quicktimehw.c,v 1.2 2006-03-15 04:37:46 matju Exp $
GridFlow
Copyright (c) 2001,2002,2003,2004,2005,2006 by Mathieu Bouchard
This program 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.
See file ../COPYING for further informations on licensing terms.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#define QUICKTIMEHW_INCLUDE_HERE
#include "../base/grid.h.fcs"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
\class FormatQuickTimeHW < Format
struct FormatQuickTimeHW : Format {
quicktime_t *anim;
int track;
P<Dim> dim;
char *codec;
int colorspace;
int channels;
bool started;
P<Dim> force;
int length; // in frames
float64 framerate;
P<BitPacking> bit_packing;
FormatQuickTimeHW() : track(0), dim(0), codec(QUICKTIME_RAW),
started(false), force(0), framerate(29.97), bit_packing(0) {}
\decl void initialize (Symbol mode, Symbol source, String filename);
\decl void close ();
\decl Ruby frame ();
\decl void seek (int frame);
\decl void _0_force_size (int32 height, int32 width);
\decl void _0_codec (String c);
\decl void _0_colorspace (Symbol c);
\decl void _0_parameter (Symbol name, int32 value);
\decl void _0_framerate (float64 f);
\decl void _0_size (int32 height, int32 width);
\grin 0 int
};
\def void _0_force_size (int32 height, int32 width) { force = new Dim(height, width); }
\def void seek (int frame) {quicktime_set_video_position(anim,frame,track);}
\def Ruby frame () {
int nframe = quicktime_video_position(anim,track);
int length2 = quicktime_video_length(anim,track);
if (nframe >= length) {
// gfpost("nframe=%d length=%d length2=%d",nframe,length,length2);
return Qfalse;
}
/* if it works, only do it once, to avoid silly stderr messages forgotten in LQT */
if (!quicktime_reads_cmodel(anim,colorspace,0) && !started) {
RAISE("LQT says this video cannot be decoded into the chosen colorspace");
}
int sx = quicktime_video_width(anim,track);
int sy = quicktime_video_height(anim,track);
int sz = quicktime_video_depth(anim,track);
channels = sz/8; // hack. how do i get the video's native colormodel ?
switch (sz) {
case 24: colorspace=BC_RGB888; break;
case 32: colorspace=BC_RGBA8888; break;
default: gfpost("strange quicktime. ask matju."); break;
}
if (force) {
sy = force->get(0);
sx = force->get(1);
}
Pt<uint8> buf = ARRAY_NEW(uint8,sy*sx*channels);
uint8 *rows[sy]; for (int i=0; i<sy; i++) rows[i]=buf+i*sx*channels;
int result = quicktime_decode_scaled(anim,0,0,sx,sy,sx,sy,colorspace,rows,track);
GridOutlet out(this,0,new Dim(sy, sx, channels),
NumberTypeE_find(rb_ivar_get(rself,SI(@cast))));
int bs = out.dim->prod(1);
out.give(sy*sx*channels,buf);
started=true;
return INT2NUM(nframe);
}
//!@#$ should also support symbol values (how?)
\def void _0_parameter (Symbol name, int32 value) {
quicktime_set_parameter(anim, (char*)rb_sym_name(name), &value);
}
\def void _0_framerate (float64 f) {
framerate=f;
quicktime_set_framerate(anim, f);
}
\def void _0_size (int32 height, int32 width) {
if (dim) RAISE("video size already set!");
// first frame: have to do setup
dim = new Dim(height, width, 3);
quicktime_set_video(anim,1,dim->get(1),dim->get(0),framerate,codec);
quicktime_set_cmodel(anim,colorspace);
}
GRID_INLET(FormatQuickTimeHW,0) {
if (in->dim->n != 3) RAISE("expecting 3 dimensions: rows,columns,channels");
if (in->dim->get(2)!=channels) RAISE("expecting %d channels (got %d)",channels,in->dim->get(2));
in->set_factor(in->dim->prod());
if (dim) {
if (!dim->equal(in->dim)) RAISE("all frames should be same size");
} else {
// first frame: have to do setup
dim = in->dim;
quicktime_set_video(anim,1,dim->get(1),dim->get(0),framerate,codec);
quicktime_set_cmodel(anim,colorspace);
quicktime_set_depth(anim,8*channels,track);
}
} GRID_FLOW {
int sx = quicktime_video_width(anim,track);
int sy = quicktime_video_height(anim,track);
uint8 *rows[sy];
if (sizeof(T)>1) {
uint8 data2[n];
bit_packing->pack(sx*sy,data,Pt<uint8>(data2,n));
for (int i=0; i<sy; i++) rows[i]=data2+i*sx*channels;
quicktime_encode_video(anim,rows,track);
} else {
for (int i=0; i<sy; i++) rows[i]=data+i*sx*channels;
quicktime_encode_video(anim,rows,track);
}
} GRID_FINISH {
} GRID_END
\def void _0_codec (String c) {
//fprintf(stderr,"codec = %s\n",rb_str_ptr(rb_inspect(c)));
#ifdef LQT_VERSION
char buf[5];
strncpy(buf,rb_str_ptr(c),4);
for (int i=rb_str_len(c); i<4; i++) buf[i]=' ';
buf[4]=0;
Ruby fourccs = rb_ivar_get(rb_obj_class(rself),SI(@fourccs));
if (Qnil==rb_hash_aref(fourccs,rb_str_new2(buf)))
RAISE("warning: unknown fourcc '%s' (%s)",
buf, rb_str_ptr(rb_inspect(rb_funcall(fourccs,SI(keys),0))));
#endif
codec = strdup(buf);
}
\def void _0_colorspace (Symbol c) {
if (0) {
} else if (c==SYM(rgb)) { channels=3; colorspace=BC_RGB888;
} else if (c==SYM(rgba)) { channels=4; colorspace=BC_RGBA8888;
} else if (c==SYM(bgr)) { channels=3; colorspace=BC_BGR888;
} else if (c==SYM(bgrn)) { channels=4; colorspace=BC_BGR8888;
} else if (c==SYM(yuv)) { channels=3; colorspace=BC_YUV888;
} else if (c==SYM(yuva)) { channels=4; colorspace=BC_YUVA8888;
} else if (c==SYM(YUV420P)) { channels=3; colorspace=BC_YUV420P;
} else RAISE("unknown colorspace '%s' (supported: rgb, rgba, bgr, bgrn, yuv, yuva)",rb_sym_name(c));
}
\def void close () {
if (anim) { quicktime_close(anim); anim=0; }
rb_call_super(argc,argv);
}
// libquicktime may be nice, but it won't take a filehandle, only filename
\def void initialize (Symbol mode, Symbol source, String filename) {
rb_call_super(argc,argv);
if (source!=SYM(file)) RAISE("usage: quicktime file <filename>");
filename = rb_funcall(mGridFlow,SI(find_file),1,filename);
anim = quicktime_open(rb_str_ptr(filename),mode==SYM(in),mode==SYM(out));
if (!anim) RAISE("can't open file `%s': %s", rb_str_ptr(filename), strerror(errno));
if (mode==SYM(in)) {
length = quicktime_video_length(anim,track);
gfpost("quicktime: codec=%s height=%d width=%d depth=%d framerate=%f",
quicktime_video_compressor(anim,track),
quicktime_video_height(anim,track),
quicktime_video_width(anim,track),
quicktime_video_depth(anim,track),
quicktime_frame_rate(anim,track));
/* This doesn't really work: (is it just for encoding?)
if (!quicktime_supported_video(anim,track))
RAISE("quicktime: unsupported codec: %s",
quicktime_video_compressor(anim,track));
*/
}
_0_colorspace(0,0,SYM(rgb));
quicktime_set_cpus(anim,1);
uint32 mask[3] = {0x0000ff,0x00ff00,0xff0000};
bit_packing = new BitPacking(is_le(),3,3,mask);
}
\classinfo {
IEVAL(rself,
\ruby
install '#io:quicktime',1,1
@comment=%[Burkhard Plaum's (or HeroineWarrior's) libquicktime]
suffixes_are 'mov'
@flags=6
def self.info; %[codecs: #{@codecs.keys.join' '}] end
\end ruby
);
//#define L fprintf(stderr,"%s:%d in %s\n",__FILE__,__LINE__,__PRETTY_FUNCTION__);
#ifdef LQT_VERSION
lqt_registry_init();
int n = lqt_get_num_video_codecs();
Ruby codecs = rb_hash_new();
Ruby fourccs = rb_hash_new();
for (int i=0; i<n; i++) {
const lqt_codec_info_t *s = lqt_get_video_codec_info(i);
if (!s->name) {
fprintf(stderr,"[#in quicktime]: skipping codec with null name!\n");
continue;
}
Ruby name = rb_str_new2(s->name);
Ruby f = rb_ary_new2(s->num_fourccs);
for (int j=0; j<s->num_fourccs; j++) {
Ruby fn = rb_str_new2(s->fourccs[j]);
rb_ary_push(f,fn);
rb_hash_aset(fourccs,fn,name);
}
rb_hash_aset(codecs,name,f);
}
rb_ivar_set(rself,SI(@codecs),codecs);
rb_ivar_set(rself,SI(@fourccs),fourccs);
#endif
}
\end class FormatQuickTimeHW
void startup_quicktimehw () {
\startall
}
|
