1 | ######################################################################
|
---|
2 | #
|
---|
3 | # VideoPlugin.pm -- plugin for processing video largely based on ImagePlug
|
---|
4 | # A component of the Greenstone digital library software
|
---|
5 | # from the New Zealand Digital Library Project at the
|
---|
6 | # University of Waikato, New Zealand.
|
---|
7 | #
|
---|
8 | # Copyright (C) 1999 New Zealand Digital Library Project
|
---|
9 | #
|
---|
10 | # This program is free software; you can redistribute it and/or modify
|
---|
11 | # it under the terms of the GNU General Public License as published by
|
---|
12 | # the Free Software Foundation; either version 2 of the License, or
|
---|
13 | # (at your option) any later version.
|
---|
14 | #
|
---|
15 | # This program is distributed in the hope that it will be useful,
|
---|
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
---|
18 | # GNU General Public License for more details.
|
---|
19 | #
|
---|
20 | # You should have received a copy of the GNU General Public License
|
---|
21 | # along with this program; if not, write to the Free Software
|
---|
22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
---|
23 | #
|
---|
24 | ###########################################################################
|
---|
25 |
|
---|
26 | package VideoPlugin;
|
---|
27 |
|
---|
28 | use strict;
|
---|
29 | no strict 'refs'; # allow filehandles to be variables and viceversa
|
---|
30 | no strict 'subs';
|
---|
31 |
|
---|
32 | use videoconvert;
|
---|
33 | use XMLParser;
|
---|
34 | use gsprintf;
|
---|
35 |
|
---|
36 | use BasePlugin;
|
---|
37 |
|
---|
38 | sub BEGIN {
|
---|
39 | @VideoPlugin::ISA = ('BasePlugin');
|
---|
40 |
|
---|
41 | if (!defined $ENV{'GEXTVIDEO'}) {
|
---|
42 | print STDERR "Warning: Greenstone Video extension not detected.\n";
|
---|
43 | }
|
---|
44 |
|
---|
45 | }
|
---|
46 |
|
---|
47 |
|
---|
48 | # Customized from BasePlugin. Make 'incremental' the default
|
---|
49 | # to avoid Greenstone hashing on the file (which in the case of video
|
---|
50 | # is HUGE) to generate OID. Also supress 'hash' as option so the user
|
---|
51 | # can't choose it.
|
---|
52 |
|
---|
53 | our $oidtype_list =
|
---|
54 | [ { 'name' => "auto",
|
---|
55 | 'desc' => "{BasePlugin.OIDtype.auto}" },
|
---|
56 | { 'name' => "assigned",
|
---|
57 | 'desc' => "{import.OIDtype.assigned}" },
|
---|
58 | { 'name' => "incremental",
|
---|
59 | 'desc' => "{import.OIDtype.incremental}" },
|
---|
60 | { 'name' => "dirname",
|
---|
61 | 'desc' => "{import.OIDtype.dirname}" } ];
|
---|
62 |
|
---|
63 |
|
---|
64 | my $arguments =
|
---|
65 | [ { 'name' => "process_exp",
|
---|
66 | 'desc' => "{BasePlugin.process_exp}",
|
---|
67 | 'type' => "regexp",
|
---|
68 | 'deft' => &get_default_process_exp(),
|
---|
69 | 'reqd' => "no" },
|
---|
70 | { 'name' => "OIDtype",
|
---|
71 | 'desc' => "{import.OIDtype}",
|
---|
72 | 'type' => "enum",
|
---|
73 | 'list' => $oidtype_list,
|
---|
74 | 'deft' => "incremental",
|
---|
75 | 'reqd' => "no",
|
---|
76 | 'modegli' => "2" },
|
---|
77 |
|
---|
78 | { 'name' => "noscaleup",
|
---|
79 | 'desc' => "{VideoPlug.noscaleup}",
|
---|
80 | 'type' => "flag",
|
---|
81 | 'reqd' => "no" },
|
---|
82 | { 'name' => "use_ascii_only_filenames",
|
---|
83 | 'desc' => "{VideoPlug.use_ascii_only_filenames}",
|
---|
84 | 'type' => "flag",
|
---|
85 | 'reqd' => "no" },
|
---|
86 | { 'name' => "video_excerpt_duration",
|
---|
87 | 'desc' => "{VideoPlug.video_excerpt_duration}",
|
---|
88 | 'type' => "string",
|
---|
89 | 'deft' => "",
|
---|
90 | 'reqd' => "no" },
|
---|
91 | { 'name' => "extractthumbnail",
|
---|
92 | 'desc' => "{VideoPlug.extractthumbnail}",
|
---|
93 | 'type' => "flag",
|
---|
94 | 'deft' => "0",
|
---|
95 | 'reqd' => "no" },
|
---|
96 | { 'name' => "thumbnailsize",
|
---|
97 | 'desc' => "{VideoPlug.thumbnailsize}",
|
---|
98 | 'type' => "int",
|
---|
99 | 'deft' => "100",
|
---|
100 | 'range' => "1,",
|
---|
101 | 'reqd' => "no" },
|
---|
102 | { 'name' => "thumbnailtype",
|
---|
103 | 'desc' => "{VideoPlug.thumbnailtype}",
|
---|
104 | 'type' => "string",
|
---|
105 | 'deft' => "jpeg",
|
---|
106 | 'reqd' => "no" },
|
---|
107 | { 'name' => "extractscreenview",
|
---|
108 | 'desc' => "{VideoPlug.extractscreenview}",
|
---|
109 | 'type' => "flag",
|
---|
110 | 'deft' => "0",
|
---|
111 | 'reqd' => "no" },
|
---|
112 | { 'name' => "screenviewsize",
|
---|
113 | 'desc' => "{VideoPlug.screenviewsize}",
|
---|
114 | 'type' => "int",
|
---|
115 | 'deft' => "0",
|
---|
116 | 'range' => "1,",
|
---|
117 | 'reqd' => "no" },
|
---|
118 | { 'name' => "screenviewtype",
|
---|
119 | 'desc' => "{VideoPlug.screenviewtype}",
|
---|
120 | 'type' => "string",
|
---|
121 | 'deft' => "jpg",
|
---|
122 | 'reqd' => "no" },
|
---|
123 | { 'name' => "converttotype",
|
---|
124 | 'desc' => "{VideoPlug.converttotype}",
|
---|
125 | 'type' => "string",
|
---|
126 | 'deft' => "",
|
---|
127 | 'reqd' => "no" },
|
---|
128 | { 'name' => "converttosize",
|
---|
129 | 'desc' => "{VideoPlug.converttosize}",
|
---|
130 | 'type' => "int",
|
---|
131 | 'deft' => "",
|
---|
132 | ## 'deft' => "352",
|
---|
133 | 'reqd' => "no" },
|
---|
134 | { 'name' => "converttobitrate",
|
---|
135 | 'desc' => "{VideoPlug.converttobitrate}",
|
---|
136 | 'type' => "string",
|
---|
137 | 'deft' => "200k",
|
---|
138 | 'reqd' => "no" },
|
---|
139 | { 'name' => "extractkeyframes",
|
---|
140 | 'desc' => "{VideoPlug.extractkeyframes}",
|
---|
141 | 'type' => "flag",
|
---|
142 | 'deft' => "0",
|
---|
143 | 'reqd' => "no" },
|
---|
144 | { 'name' => "enablestreaming",
|
---|
145 | 'desc' => "{VideoPlug.enablestreaming}",
|
---|
146 | 'type' => "flag",
|
---|
147 | 'deft' => "1",
|
---|
148 | 'reqd' => "no" },
|
---|
149 | { 'name' => "streamingsize",
|
---|
150 | 'desc' => "{VideoPlug.streamingsize}",
|
---|
151 | 'type' => "int",
|
---|
152 | 'deft' => "352",
|
---|
153 | 'reqd' => "no" },
|
---|
154 | { 'name' => "streamingbitrate",
|
---|
155 | 'desc' => "{VideoPlug.streamingbitrate}",
|
---|
156 | 'type' => "string",
|
---|
157 | 'deft' => "200k",
|
---|
158 | 'reqd' => "no" },
|
---|
159 | { 'name' => "minimumsize",
|
---|
160 | 'desc' => "{VideoPlug.minimumsize}",
|
---|
161 | 'type' => "int",
|
---|
162 | 'deft' => "100",
|
---|
163 | 'range' => "1,",
|
---|
164 | 'reqd' => "no" } ];
|
---|
165 |
|
---|
166 | my $options = { 'name' => "VideoPlugin",
|
---|
167 | 'desc' => "{VideoPlug.desc}",
|
---|
168 | 'abstract' => "no",
|
---|
169 | 'inherits' => "yes",
|
---|
170 | 'args' => $arguments };
|
---|
171 |
|
---|
172 |
|
---|
173 | my ($self);
|
---|
174 |
|
---|
175 | sub new {
|
---|
176 | my ($class) = shift (@_);
|
---|
177 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
|
---|
178 | push(@$pluginlist, $class);
|
---|
179 |
|
---|
180 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
|
---|
181 | push(@{$hashArgOptLists->{"OptList"}},$options);
|
---|
182 |
|
---|
183 | $self = new BasePlugin($pluginlist, $inputargs, $hashArgOptLists);
|
---|
184 |
|
---|
185 | # Check that ffmpeg is installed and available on the path (except for Windows 95/98)
|
---|
186 | # This test is "inherited" from ImagePlugin where ImageMagick support
|
---|
187 | # for building cannot be used on these two versions of Windows as they
|
---|
188 | # do not have enough flexablity in the use of stdout and stderr to
|
---|
189 | # support how our code works. It seems reasonable to assume the
|
---|
190 | # same is true for VideoPlugin work using ffmpeg.
|
---|
191 |
|
---|
192 | if (($ENV{'GSDLOS'} ne "windows" || Win32::IsWinNT())) {
|
---|
193 |
|
---|
194 | my $result = `ffmpeg -h 2>&1`;
|
---|
195 |
|
---|
196 |
|
---|
197 | if (!defined $result || $result !~ m/^FFmpeg version/) {
|
---|
198 | $self->{'ffmpeg_installed'} = 0;
|
---|
199 | print STDERR $result;
|
---|
200 | }
|
---|
201 | else {
|
---|
202 | $self->{'ffmpeg_installed'} = 1;
|
---|
203 | }
|
---|
204 |
|
---|
205 | }
|
---|
206 |
|
---|
207 |
|
---|
208 | # create XML::Parser object for parsing metadata.xml files
|
---|
209 | my $parser;
|
---|
210 | if ($]<5.008) {
|
---|
211 | # Perl 5.6
|
---|
212 | $parser = new XML::Parser('Style' => 'Stream',
|
---|
213 | 'Handlers' => {'Char' => \&Char,
|
---|
214 | 'Doctype' => \&Doctype
|
---|
215 | });
|
---|
216 | }
|
---|
217 | else {
|
---|
218 | # Perl 5.8
|
---|
219 | $parser = new XML::Parser('Style' => 'Stream',
|
---|
220 | 'ProtocolEncoding' => 'ISO-8859-1',
|
---|
221 | 'Handlers' => {'Char' => \&Char,
|
---|
222 | 'Doctype' => \&Doctype
|
---|
223 | });
|
---|
224 | }
|
---|
225 |
|
---|
226 | $self->{'parser'} = $parser;
|
---|
227 |
|
---|
228 |
|
---|
229 | return bless $self, $class;
|
---|
230 | }
|
---|
231 |
|
---|
232 |
|
---|
233 | sub init {
|
---|
234 | my $self = shift (@_);
|
---|
235 | my ($verbosity, $outhandle, $failhandle) = @_;
|
---|
236 |
|
---|
237 | $self->SUPER::init(@_);
|
---|
238 | ## $self->ImageConverter::init(); # ****** VideoConverter::init ??
|
---|
239 | }
|
---|
240 |
|
---|
241 |
|
---|
242 | sub get_default_process_exp {
|
---|
243 | my $self = shift (@_);
|
---|
244 |
|
---|
245 | return q^(?i)\.(mpe?g|flv|mov|qt|wmv|vob|avi|mp4|m4v)$^;
|
---|
246 | }
|
---|
247 |
|
---|
248 | # this makes no sense for image
|
---|
249 | sub block_cover_image
|
---|
250 | {
|
---|
251 | my $self =shift (@_);
|
---|
252 | my ($filename) = @_;
|
---|
253 |
|
---|
254 | return;
|
---|
255 | }
|
---|
256 |
|
---|
257 |
|
---|
258 |
|
---|
259 |
|
---|
260 | # Create the keyframes, thumbnail and screenview images, and discover
|
---|
261 | # the Video's size, width, and height using the ffmpeg utility.
|
---|
262 |
|
---|
263 | sub run_convert {
|
---|
264 | my $self = shift (@_);
|
---|
265 | my $base_dir = shift (@_);
|
---|
266 | my $filename = shift (@_); # filename with full path
|
---|
267 | my $file = shift (@_); # filename without path
|
---|
268 | my $doc_obj = shift (@_);
|
---|
269 |
|
---|
270 | my $section = $doc_obj->get_top_section();
|
---|
271 |
|
---|
272 | my $verbosity = $self->{'verbosity'};
|
---|
273 | my $outhandle = $self->{'outhandle'};
|
---|
274 |
|
---|
275 | # check the filename is okay
|
---|
276 | return 0 if ($file eq "" || $filename eq "");
|
---|
277 |
|
---|
278 | my $minimumsize = $self->{'minimumsize'};
|
---|
279 | if (defined $minimumsize && (-s $filename < $minimumsize)) {
|
---|
280 | print $outhandle "VideoPlugin: \"$filename\" too small, skipping\n"
|
---|
281 | if ($verbosity > 1);
|
---|
282 | }
|
---|
283 |
|
---|
284 | my ($video_type, $video_width, $video_height, $video_duration, $video_size,
|
---|
285 | $vcodec,$vfps,$atype,$afreq,$achan,$arate)
|
---|
286 | = &videoconvert::identify($filename, $outhandle, $verbosity);
|
---|
287 |
|
---|
288 | if ($vfps eq "unknown") {
|
---|
289 | print $outhandle "Unknown framerate, defaulting to 25 frames per second.\n";
|
---|
290 | $vfps = 25;
|
---|
291 | }
|
---|
292 |
|
---|
293 | my ($dur_hour,$dur_min,$dur_sec)
|
---|
294 | = ($video_duration =~ m/(\d+):(\d+):(\d+\.\d+)/);
|
---|
295 | my $total_dur_secs = $dur_hour*3600 + $dur_min*60 + $dur_sec;
|
---|
296 |
|
---|
297 | $self->{'video-fps'} = $vfps;
|
---|
298 | $self->{'num-total-frames'} = $total_dur_secs * $vfps;
|
---|
299 |
|
---|
300 | # Convert the video to a new type (if required).
|
---|
301 | my $converttotype = $self->{'converttotype'};
|
---|
302 | my $converttosize = $self->{'converttosize'};
|
---|
303 |
|
---|
304 | # shorten duration prcessed for experimentation purposes
|
---|
305 | my $exp_duration = undef;
|
---|
306 |
|
---|
307 | my $video_excerpt_duration = $self->{'video_excerpt_duration'};
|
---|
308 |
|
---|
309 | if ((defined $video_excerpt_duration) && ($video_excerpt_duration ne "")) {
|
---|
310 | $exp_duration = $video_excerpt_duration;
|
---|
311 | my ($hh,$mm,$ss,$ms) = ($exp_duration =~ m/^(\d\d):(\d\d):(\d\d)\.?(\d\d)?/);
|
---|
312 | my $excerpt_dur_in_secs = $hh * 3600 + $mm * 60 + $ss;
|
---|
313 |
|
---|
314 | if ($excerpt_dur_in_secs < $total_dur_secs) {
|
---|
315 | $self->{'num-total-frames'} = $excerpt_dur_in_secs * $vfps; # override calculation for full length duration
|
---|
316 | }
|
---|
317 | else {
|
---|
318 | # clip is already shorter than requested video excerpt duration
|
---|
319 | # set exp_duration back to undefined
|
---|
320 | $exp_duration = undef;
|
---|
321 | }
|
---|
322 | }
|
---|
323 |
|
---|
324 |
|
---|
325 | if (defined $exp_duration)
|
---|
326 | {
|
---|
327 | print $outhandle "Only encoding first $exp_duration of video.\n";
|
---|
328 | $self->{'exp_duration'} = $exp_duration;
|
---|
329 | }
|
---|
330 |
|
---|
331 | my $ascii_only_filenames = $self->{'use_ascii_only_filenames'};
|
---|
332 | my $videoconvert
|
---|
333 | = new videoconvert($base_dir,$filename,$verbosity,$outhandle,$exp_duration,$ascii_only_filenames);
|
---|
334 | $self->{'videoconvert'} = $videoconvert;
|
---|
335 |
|
---|
336 | my $originalfilename = undef;
|
---|
337 | my $type = "unknown";
|
---|
338 |
|
---|
339 | my $output_dir = $videoconvert->{'cached_dir'};
|
---|
340 | my $ivideo_root = $videoconvert->{'file_root'};
|
---|
341 |
|
---|
342 | my $convertto_regenerated = 0;
|
---|
343 | if (($converttotype ne "" && $filename =~ m/$converttotype$/i) ||
|
---|
344 | (($converttosize ne "" && $converttosize ne $video_width) || ($converttosize ne "" && $converttosize ne $video_height))) {
|
---|
345 | if ($converttotype eq "") {
|
---|
346 | # in this block because the video width x height different to original
|
---|
347 | # => set (for this call to run_convert only) converttotype
|
---|
348 | # to input file extension
|
---|
349 | ($converttotype) = ($filename =~ m/\.(.*?)$/);
|
---|
350 | }
|
---|
351 |
|
---|
352 | $originalfilename = $filename;
|
---|
353 |
|
---|
354 | $file = "$ivideo_root.$converttotype";
|
---|
355 | $filename = &util::filename_cat($output_dir,$file);
|
---|
356 |
|
---|
357 | my $s_opt = $videoconvert->optional_frame_scale($converttosize,$video_width,$video_height);
|
---|
358 | my $exp_duration = $self->{'exp_duration'};
|
---|
359 | my $t_opt = (defined $exp_duration) ? "-t $exp_duration" : "";
|
---|
360 |
|
---|
361 | my $main_opts = "-y $t_opt $s_opt";
|
---|
362 |
|
---|
363 |
|
---|
364 | my $originalfilename_gsdlenv = $self->gsdlhome_independent($originalfilename);
|
---|
365 | my $filename_gsdlenv = $self->gsdlhome_independent($filename);
|
---|
366 |
|
---|
367 |
|
---|
368 | my $convertto_command = "ffmpeg $main_opts -i \"$originalfilename_gsdlenv\"";
|
---|
369 | $convertto_command .= " -ar 22050" if ($converttotype eq "flv");
|
---|
370 | $convertto_command .= " -y \"$filename_gsdlenv\"";
|
---|
371 |
|
---|
372 | my $convertto_result;
|
---|
373 | my $convertto_error;
|
---|
374 |
|
---|
375 | my $convertto_options = { @{$videoconvert->{'ffmpeg_monitor'}},
|
---|
376 | 'message_prefix' => "Convert to",
|
---|
377 | 'message' => "Converting video to $converttotype" };
|
---|
378 |
|
---|
379 | ($convertto_regenerated,$convertto_result,$convertto_error)
|
---|
380 | = $videoconvert->run_cached_general_cmd($convertto_command,$filename,$convertto_options);
|
---|
381 |
|
---|
382 | $type = $converttotype;
|
---|
383 | }
|
---|
384 |
|
---|
385 |
|
---|
386 | # Add the video metadata
|
---|
387 |
|
---|
388 | my $file_unicode = pack("U0C*", map { ord($_) } split(//,$file)); # force explicitly to unicode
|
---|
389 |
|
---|
390 | $file_unicode =~ s/\x{2018}|\x{2019}|\x{201C}|\x{201D}//g; # remove smart quotes as cause problem in URL for video server
|
---|
391 | $file_unicode =~ s/\x{2013}/\-/g; # change en-dash to '-' as again causes problems for video server
|
---|
392 |
|
---|
393 | ## print STDERR "**** file metadata = ", &gsprintf::debug_unicode_string($file_unicode), "\n";
|
---|
394 |
|
---|
395 |
|
---|
396 | # split filename on char if specified
|
---|
397 | if ($file_unicode =~ m/\-/) {
|
---|
398 |
|
---|
399 | my @file_split = split(/\s*\-\s*/,$file_unicode);
|
---|
400 | my $creator = shift @file_split;
|
---|
401 | my $title = shift @file_split;
|
---|
402 |
|
---|
403 | $title =~ s/\..*?$//;
|
---|
404 | $title =~ s/^(.)/\u$1/;
|
---|
405 |
|
---|
406 | $doc_obj->add_utf8_metadata($section,"Title",$title);
|
---|
407 |
|
---|
408 | my @creator_split = split(/\s+and\s+/,$creator);
|
---|
409 | foreach my $c (@creator_split) {
|
---|
410 | $doc_obj->add_utf8_metadata($section,"Creator",$c);
|
---|
411 | }
|
---|
412 | }
|
---|
413 |
|
---|
414 | $file = $file_unicode;
|
---|
415 | my $filemeta = $self->filename_to_utf8_metadata($file);
|
---|
416 | my $filemeta_url_safe = $videoconvert->url_safe($filemeta);
|
---|
417 |
|
---|
418 | $doc_obj->add_utf8_metadata ($section, "Video", $filemeta_url_safe);
|
---|
419 |
|
---|
420 | # Also want to set filename as 'Source' metadata to be
|
---|
421 | # consistent with other plugins
|
---|
422 | $doc_obj->add_utf8_metadata ($section, "Source", $filemeta_url_safe);
|
---|
423 |
|
---|
424 |
|
---|
425 | if ($video_type ne " ") {
|
---|
426 | $type = $video_type;
|
---|
427 | }
|
---|
428 |
|
---|
429 | $doc_obj->add_metadata ($section, "FileFormat", $type);
|
---|
430 | $doc_obj->add_metadata ($section, "FileSize", $video_size);
|
---|
431 |
|
---|
432 | $doc_obj->add_metadata ($section, "VideoType", $video_type);
|
---|
433 | $doc_obj->add_metadata ($section, "VideoWidth", $video_width);
|
---|
434 | $doc_obj->add_metadata ($section, "VideoHeight", $video_height);
|
---|
435 | $doc_obj->add_metadata ($section, "VideoDuration", $video_duration);
|
---|
436 | $doc_obj->add_metadata ($section, "VideoSize", $video_size);
|
---|
437 |
|
---|
438 | $doc_obj->add_metadata ($section, "VideoCodec", $vcodec);
|
---|
439 | $doc_obj->add_metadata ($section, "VideoFPS", $vfps);
|
---|
440 |
|
---|
441 | $doc_obj->add_metadata ($section, "AudioType", $atype);
|
---|
442 | $doc_obj->add_metadata ($section, "AudioFreq", $afreq);
|
---|
443 | $doc_obj->add_metadata ($section, "AudioChannels", $achan);
|
---|
444 | $doc_obj->add_metadata ($section, "AudioRate", $arate);
|
---|
445 |
|
---|
446 | $doc_obj->add_utf8_metadata ($section, "srclink",
|
---|
447 | "<a href=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Video]\">");
|
---|
448 | $doc_obj->add_utf8_metadata ($section, "/srclink", "</a>");
|
---|
449 | $doc_obj->add_metadata ($section, "srcicon", "[VideoType]");
|
---|
450 |
|
---|
451 | # Add the image as an associated file
|
---|
452 | $doc_obj->associate_file($filename,$file,"video/$type",$section);
|
---|
453 |
|
---|
454 |
|
---|
455 | if ($self->{'extractkeyframes'}) {
|
---|
456 | # Generate the keyframes with ffmpeg and hive
|
---|
457 | my ($keyframe_cmd,$okeyframe_filename) = $videoconvert->keyframe_cmd($originalfilename || $filename);
|
---|
458 |
|
---|
459 | my $keyframe_options = { @{$videoconvert->{'ffmpeg_monitor'}},
|
---|
460 | 'message_prefix' => "Keyframe",
|
---|
461 | 'message' => "Extracting keyframes" };
|
---|
462 |
|
---|
463 | $videoconvert->run_cached_general_cmd($keyframe_cmd,$okeyframe_filename,$keyframe_options);
|
---|
464 | $videoconvert->parse_shot_xml($self);
|
---|
465 | $videoconvert->associate_keyframes($doc_obj,$section,$self);
|
---|
466 | }
|
---|
467 |
|
---|
468 | my $streamable_regenerated = 0;
|
---|
469 | my $optionally_run_general_cmd
|
---|
470 | = ($convertto_regenerated) ? "regenerate_general_cmd" : "run_cached_general_cmd";
|
---|
471 |
|
---|
472 | if ($self->{'enablestreaming'}) {
|
---|
473 | # Generate the Flash FLV format for streaming purposes
|
---|
474 |
|
---|
475 | my $streaming_bitrate = $self->{'streamingbitrate'};
|
---|
476 | my $streaming_size = $self->{'streamingsize'};
|
---|
477 |
|
---|
478 | my $streaming_quality = "high";
|
---|
479 |
|
---|
480 | my ($stream_cmd,$oflash_filename,$oflash_file)
|
---|
481 | = $videoconvert->stream_cmd($originalfilename || $filename,
|
---|
482 | $video_width,$video_height,
|
---|
483 | $streaming_quality,
|
---|
484 | $streaming_bitrate, $streaming_size);
|
---|
485 |
|
---|
486 |
|
---|
487 | my $streamable_options = { @{$videoconvert->{'ffmpeg_monitor'}},
|
---|
488 | 'message_prefix' => "Stream",
|
---|
489 | 'message' => "Generating streamable video: $oflash_file" };
|
---|
490 |
|
---|
491 | my $streamable_result;
|
---|
492 | my $streamable_had_error;
|
---|
493 | ($streamable_regenerated,$streamable_result,$streamable_had_error)
|
---|
494 | = $videoconvert->$optionally_run_general_cmd($stream_cmd,$oflash_filename,$streamable_options);
|
---|
495 |
|
---|
496 | if (!$streamable_had_error) {
|
---|
497 | my ($streamseekable_cmd,$ostreamseekable_filename) = $videoconvert->streamseekable_cmd($oflash_filename);
|
---|
498 |
|
---|
499 | my $streamseekable_options = { @{$videoconvert->{'flvtool2_monitor'}},
|
---|
500 | 'message_prefix' => "Stream Seekable",
|
---|
501 | 'message' => "Reprocessing video stream to be seekable by timeline: $oflash_file" };
|
---|
502 |
|
---|
503 | if ($streamable_regenerated) {
|
---|
504 | $videoconvert->run_general_cmd($streamseekable_cmd,$streamseekable_options);
|
---|
505 | }
|
---|
506 |
|
---|
507 | my $streamable_url = $oflash_file;
|
---|
508 | ## $streamable_url =~ s/ /%20/g;
|
---|
509 | my $streamable_url_safe = $videoconvert->url_safe($streamable_url);
|
---|
510 |
|
---|
511 | $doc_obj->add_utf8_metadata ($section, "streamablevideo", $streamable_url_safe);
|
---|
512 | $doc_obj->associate_file($oflash_filename,$oflash_file,"video/flash",
|
---|
513 | $section);
|
---|
514 | }
|
---|
515 |
|
---|
516 | my $video_width = $doc_obj->get_metadata_element($section,"VideoWidth");
|
---|
517 | my $video_height = $doc_obj->get_metadata_element($section,"VideoHeight");
|
---|
518 |
|
---|
519 | #
|
---|
520 | # FlowPlayer.swf height+22 pixels
|
---|
521 | # FlowPlayerBlack.swf height+16 pixels
|
---|
522 | # FlowPlayerThermo.swf height+16 pixels
|
---|
523 | # FlowPlayerWhite.swf height+26 pixels
|
---|
524 | my $flashwidth = $video_width;
|
---|
525 | my $flashheight = $video_height + 22;
|
---|
526 | if ($self->{'extractkeyframes'}) {
|
---|
527 | $flashheight += 100;
|
---|
528 | }
|
---|
529 | $doc_obj->add_metadata ($section, "flashwidth", $flashwidth);
|
---|
530 | $doc_obj->add_metadata ($section, "flashheight", $flashheight);
|
---|
531 |
|
---|
532 | my $video_server = $ENV{'GEXT_VIDEO_SERVER'};
|
---|
533 | my $video_prefix = $ENV{'GEXT_VIDEO_PREFIX'};
|
---|
534 | my $base_url = "$video_server$video_prefix/collect/[collection]/index/assoc/[assocfilepath]/";
|
---|
535 | my $base_url_safe = $videoconvert->url_safe($base_url);
|
---|
536 | $doc_obj->add_utf8_metadata ($section, "baseurl",$base_url_safe);
|
---|
537 |
|
---|
538 | $self->{'oflash_file'} = $oflash_file;
|
---|
539 | $self->{'oflash_filename'} = $oflash_filename;
|
---|
540 | }
|
---|
541 |
|
---|
542 |
|
---|
543 | # Make the thumbnail image
|
---|
544 | my $thumbnailsize = $self->{'thumbnailsize'} || 100;
|
---|
545 | my $thumbnailtype = $self->{'thumbnailtype'} || 'jpg';
|
---|
546 |
|
---|
547 | my $thumbnailwidth;
|
---|
548 | my $thumbnailheight;
|
---|
549 |
|
---|
550 | if ($video_width>$video_height) {
|
---|
551 | my $scale_ratio = $video_height / $video_width;
|
---|
552 | $thumbnailwidth = $thumbnailsize;
|
---|
553 | $thumbnailheight = int($thumbnailsize * $scale_ratio);
|
---|
554 | }
|
---|
555 | else {
|
---|
556 | my $scale_ratio = $video_width / $video_height;
|
---|
557 | $thumbnailwidth = int($thumbnailsize * $scale_ratio);
|
---|
558 | $thumbnailheight = $thumbnailsize;
|
---|
559 | }
|
---|
560 |
|
---|
561 |
|
---|
562 | my $thumbnailfile = &util::filename_cat($output_dir,"$ivideo_root.$thumbnailtype");
|
---|
563 |
|
---|
564 |
|
---|
565 | if ($self->{'extractthumbnail'}) {
|
---|
566 | # Generate the thumbnail with convert, a la ImagePlug
|
---|
567 | my ($thumb_cmd ,$othumb_filename)
|
---|
568 | = $videoconvert->keyframe_thumbnail_cmd($filename,$thumbnailfile,$thumbnailwidth,$thumbnailheight);
|
---|
569 |
|
---|
570 | my $thumb_options = { 'verbosity' => $verbosity,
|
---|
571 | 'outhandle' => $outhandle,
|
---|
572 | 'message_prefix' => "Thumbnail",
|
---|
573 | 'message' => "Generating thumbnail" };
|
---|
574 |
|
---|
575 | my ($thumb_regenerated,$thumb_result,$thumb_had_error)
|
---|
576 | = $videoconvert->$optionally_run_general_cmd($thumb_cmd,$thumbnailfile,$thumb_options);
|
---|
577 |
|
---|
578 | # Add the thumbnail as an associated file ...
|
---|
579 | if (-e "$thumbnailfile") {
|
---|
580 | $doc_obj->associate_file("$thumbnailfile", "thumbnail.$thumbnailtype",
|
---|
581 | "image/$thumbnailtype",$section);
|
---|
582 | $doc_obj->add_metadata ($section, "ThumbType", $thumbnailtype);
|
---|
583 | $doc_obj->add_metadata ($section, "Thumb", "thumbnail.$thumbnailtype");
|
---|
584 |
|
---|
585 | $doc_obj->add_utf8_metadata ($section, "thumbicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Thumb]\" width=[ThumbWidth] height=[ThumbHeight]>");
|
---|
586 | ### $doc_obj->add_utf8_metadata ($section, "thumbicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Thumb]\">");
|
---|
587 | }
|
---|
588 |
|
---|
589 | # Extract Thumnail metadata from convert output
|
---|
590 | if ($thumb_result =~ m/[0-9]+x[0-9]+=>([0-9]+)x([0-9]+)/) {
|
---|
591 | $doc_obj->add_metadata ($section, "ThumbWidth", $1);
|
---|
592 | $doc_obj->add_metadata ($section, "ThumbHeight", $2);
|
---|
593 | }
|
---|
594 | else {
|
---|
595 | # Two reasons for getting to here:
|
---|
596 | # 1.thumbnail was generated by ffmpeg, not imagemagick convert
|
---|
597 | # 2.thumbnail was cached, so imagemagick convert was not run
|
---|
598 | # Either way, the solution is the same:
|
---|
599 | # => run "identify $thumbnailfile" and parse result
|
---|
600 |
|
---|
601 | $thumb_result = `identify \"$thumbnailfile\"`;
|
---|
602 |
|
---|
603 | if ($thumb_result =~ m/([0-9]+)x([0-9]+)/) {
|
---|
604 | $doc_obj->add_metadata ($section, "ThumbWidth", $1);
|
---|
605 | $doc_obj->add_metadata ($section, "ThumbHeight", $2);
|
---|
606 | }
|
---|
607 | }
|
---|
608 | }
|
---|
609 |
|
---|
610 |
|
---|
611 | if ($self->{'extractkeyframes'}) {
|
---|
612 |
|
---|
613 | # Generate the mosaic with 'montage'
|
---|
614 | my $montagefile = &util::filename_cat($output_dir,"$ivideo_root\_montage.$thumbnailtype");
|
---|
615 |
|
---|
616 | my ($montage_cmd,$omontage_filename)
|
---|
617 | = $videoconvert->keyframe_montage_cmd($filename,$montagefile);
|
---|
618 |
|
---|
619 | my $montage_options = { 'message_prefix' => "Montage",
|
---|
620 | 'message' => "Generating montage" };
|
---|
621 |
|
---|
622 | my ($montage_result,$montage_had_error)
|
---|
623 | = $videoconvert->run_general_cmd($montage_cmd,$montage_options);
|
---|
624 |
|
---|
625 | # Add the montage as an associated file ...
|
---|
626 | if (-e "$montagefile") {
|
---|
627 | $doc_obj->associate_file("$montagefile", "montage.$thumbnailtype",
|
---|
628 | "image/$thumbnailtype",$section);
|
---|
629 | $doc_obj->add_metadata ($section, "MontageType", $thumbnailtype);
|
---|
630 | $doc_obj->add_metadata ($section, "Montage", "montage.$thumbnailtype");
|
---|
631 |
|
---|
632 | $doc_obj->add_utf8_metadata ($section, "montageicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Montage]\" >");
|
---|
633 | }
|
---|
634 | }
|
---|
635 |
|
---|
636 | # Make a screen-sized version of the picture if requested
|
---|
637 | if ($self->{'extractscreenview'}) {
|
---|
638 |
|
---|
639 | # To do: if the actual image smaller than the screenview size,
|
---|
640 | # we should use the original !
|
---|
641 |
|
---|
642 | my $screenviewsize = $self->{'screenviewsize'};
|
---|
643 | my $screenviewtype = $self->{'screenviewtype'} || 'jpeg';
|
---|
644 | my $screenviewfilename = &util::filename_cat($output_dir,"$ivideo_root.$screenviewtype");
|
---|
645 |
|
---|
646 | my $screenviewwidth;
|
---|
647 | my $screenviewheight;
|
---|
648 |
|
---|
649 | if ($video_width>$video_height) {
|
---|
650 | my $scale_ratio = $video_height / $video_width;
|
---|
651 | $screenviewwidth = $screenviewsize;
|
---|
652 | $screenviewheight = int($screenviewsize * $scale_ratio);
|
---|
653 | }
|
---|
654 | else {
|
---|
655 | my $scale_ratio = $video_width / $video_height;
|
---|
656 | $screenviewwidth = int($screenviewsize * $scale_ratio);
|
---|
657 | $screenviewheight = $screenviewsize;
|
---|
658 | }
|
---|
659 |
|
---|
660 |
|
---|
661 | # make the screenview image
|
---|
662 |
|
---|
663 | my ($screenview_cmd,$oscreenview_filename)
|
---|
664 | = $videoconvert->keyframe_thumbnail_cmd($filename,$screenviewfilename,$screenviewwidth,$screenviewheight);
|
---|
665 |
|
---|
666 | my $screenview_options = { 'message_prefix' => "Screenview",
|
---|
667 | 'message' => "Generating screenview image" };
|
---|
668 |
|
---|
669 | my ($result,$had_error)
|
---|
670 | = $videoconvert->run_general_cmd($screenview_cmd,$screenview_options);
|
---|
671 |
|
---|
672 | # get screenview dimensions, size and type
|
---|
673 | if ($result =~ m/[0-9]+x[0-9]+=>([0-9]+)x([0-9]+)/) {
|
---|
674 | $doc_obj->add_metadata ($section, "ScreenWidth", $1);
|
---|
675 | $doc_obj->add_metadata ($section, "ScreenHeight", $2);
|
---|
676 | }
|
---|
677 | else {
|
---|
678 | $doc_obj->add_metadata ($section, "ScreenWidth", $video_width);
|
---|
679 | $doc_obj->add_metadata ($section, "ScreenHeight", $video_height);
|
---|
680 | }
|
---|
681 |
|
---|
682 | #add the screenview as an associated file ...
|
---|
683 | if (-e "$screenviewfilename") {
|
---|
684 | $doc_obj->associate_file("$screenviewfilename", "screenview.$screenviewtype",
|
---|
685 | "image/$screenviewtype",$section);
|
---|
686 | $doc_obj->add_metadata ($section, "ScreenType", $screenviewtype);
|
---|
687 | $doc_obj->add_metadata ($section, "Screen", "screenview.$screenviewtype");
|
---|
688 |
|
---|
689 | $doc_obj->add_utf8_metadata ($section, "screenicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Screen]\" width=[ScreenWidth] height=[ScreenHeight]>");
|
---|
690 | } else {
|
---|
691 | print $outhandle "VideoPlugin: couldn't find \"$screenviewfilename\"\n";
|
---|
692 | }
|
---|
693 | }
|
---|
694 |
|
---|
695 | return $type;
|
---|
696 | }
|
---|
697 |
|
---|
698 |
|
---|
699 |
|
---|
700 |
|
---|
701 | sub read_into_doc_obj {
|
---|
702 | my $self = shift (@_);
|
---|
703 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $processor, $maxdocs, $total_count, $gli) = @_;
|
---|
704 |
|
---|
705 | my $outhandle = $self->{'outhandle'};
|
---|
706 |
|
---|
707 | # should we move this to read? What about secondary plugins?
|
---|
708 | print STDERR "<Processing n='$file' p='$self->{'plugin_type'}'>\n" if ($gli);
|
---|
709 | print $outhandle "$self->{'plugin_type'} processing $file\n"
|
---|
710 | if $self->{'verbosity'} > 1;
|
---|
711 |
|
---|
712 | my ($filename_full_path, $filename_no_path) = &util::get_full_filenames($base_dir, $file);
|
---|
713 |
|
---|
714 | # create a new document
|
---|
715 | my $doc_obj = new doc ($filename_full_path, "indexed_doc", $self->{'file_rename_method'});
|
---|
716 |
|
---|
717 |
|
---|
718 | my $top_section = $doc_obj->get_top_section();
|
---|
719 |
|
---|
720 | ### <Video Specific> ###
|
---|
721 | $doc_obj->set_OIDtype ($processor->{'OIDtype'}, $processor->{'OIDmetadata'});
|
---|
722 | ### </Video Specific> ###
|
---|
723 |
|
---|
724 |
|
---|
725 | $doc_obj->add_utf8_metadata($top_section, "Plugin", "$self->{'plugin_type'}");
|
---|
726 | $doc_obj->add_utf8_metadata($top_section, "FileSize", (-s $filename_full_path));
|
---|
727 |
|
---|
728 | # sets the UTF8 filename (Source) for display and sets the url ref to URL encoded version
|
---|
729 | # of the UTF8 filename (SourceFile) for generated files
|
---|
730 | $self->set_Source_metadata($doc_obj, $filename_no_path);
|
---|
731 |
|
---|
732 |
|
---|
733 | # plugin specific stuff - what args do we need here??
|
---|
734 | unless (defined ($self->process($pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli))) {
|
---|
735 | print STDERR "<ProcessingError n='$file'>\n" if ($gli);
|
---|
736 | return (-1,undef);
|
---|
737 | }
|
---|
738 |
|
---|
739 | # include any metadata passed in from previous plugins
|
---|
740 | # note that this metadata is associated with the top level section
|
---|
741 | my $section = $doc_obj->get_top_section();
|
---|
742 | # can we merge these two methods??
|
---|
743 | $self->add_associated_files($doc_obj, $filename_full_path);
|
---|
744 | $self->extra_metadata ($doc_obj, $section, $metadata);
|
---|
745 | $self->auto_extract_metadata($doc_obj);
|
---|
746 |
|
---|
747 | # if we haven't found any Title so far, assign one
|
---|
748 | # this was shifted to here from inside read()
|
---|
749 | $self->title_fallback($doc_obj,$section,$filename_no_path);
|
---|
750 |
|
---|
751 | $self->add_OID($doc_obj);
|
---|
752 |
|
---|
753 |
|
---|
754 | ### <Video Specific> ###
|
---|
755 |
|
---|
756 | if (($self->{'enablestreaming'}) && ($self->{'extractkeyframes'})) {
|
---|
757 | my $oflash_filename = $self->{'oflash_filename'};
|
---|
758 | my $videoconvert = $self->{'videoconvert'};
|
---|
759 | my ($streamkeyframes_cmd,$ostreamkeyframes_filename)
|
---|
760 | = $videoconvert->streamkeyframes_cmd($oflash_filename,$doc_obj,$section);
|
---|
761 |
|
---|
762 | my $verbosity = $self->{'verbosity'};
|
---|
763 |
|
---|
764 | my $streamkeyframes_options = { @{$videoconvert->{'flvtool2_monitor'}},
|
---|
765 | 'message_prefix' => "Stream Keyframes",
|
---|
766 | 'message' => "Reprocessing video stream to add keyframes on timeline" };
|
---|
767 | #### this used to be commented out!!!
|
---|
768 | $videoconvert->run_general_cmd($streamkeyframes_cmd,$streamkeyframes_options);
|
---|
769 | }
|
---|
770 | ### </Video Specific> ###
|
---|
771 |
|
---|
772 | return (1,$doc_obj);
|
---|
773 | }
|
---|
774 |
|
---|
775 | sub add_dummy_text {
|
---|
776 | my $self = shift(@_);
|
---|
777 | my ($doc_obj, $section) = @_;
|
---|
778 |
|
---|
779 | # add NoText metadata so we can hide this dummy text in format statements
|
---|
780 | $doc_obj->add_metadata($section, "NoText", "1");
|
---|
781 | $doc_obj->add_text($section, &gsprintf::lookup_string("{BasePlugin.dummy_text}",1));
|
---|
782 |
|
---|
783 | }
|
---|
784 |
|
---|
785 |
|
---|
786 |
|
---|
787 |
|
---|
788 | # do plugin specific processing of doc_obj
|
---|
789 | sub process {
|
---|
790 | my $self = shift (@_);
|
---|
791 | # options??
|
---|
792 | my ($pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
|
---|
793 |
|
---|
794 | my $outhandle = $self->{'outhandle'};
|
---|
795 |
|
---|
796 | my ($filename_full_path, $filename_no_path) = &util::get_full_filenames($base_dir, $file);
|
---|
797 |
|
---|
798 |
|
---|
799 | if ($self->{'ffmpeg_installed'}) {
|
---|
800 | my $utf8_filename_no_path = $self->filepath_to_utf8($filename_no_path);
|
---|
801 | my $url_encoded_filename = &util::rename_file($utf8_filename_no_path, $self->{'file_rename_method'});
|
---|
802 |
|
---|
803 |
|
---|
804 | #run convert to get the thumbnail and extract size and type info
|
---|
805 | my $result = $self->run_convert($base_dir, $filename_full_path,
|
---|
806 | $url_encoded_filename, $doc_obj);
|
---|
807 |
|
---|
808 | if (!defined $result) {
|
---|
809 | if ($gli) {
|
---|
810 | print STDERR "<ProcessingError n='$file'>\n";
|
---|
811 | }
|
---|
812 | print $outhandle "VideoPlugin: couldn't process \"$filename_full_path\"\n";
|
---|
813 | return (-1,undef); # error during processing
|
---|
814 | }
|
---|
815 | }
|
---|
816 | else {
|
---|
817 | if ($gli) {
|
---|
818 | &gsprintf(STDERR, "<Warning p='VideoPlugin' r='{VideoConverter.noconversionavailable}: {VideoConverter.".$self->{'no_image_conversion_reason'}."}'>");
|
---|
819 | }
|
---|
820 | # all we do is add the original video file as an associated file, and set up srclink etc
|
---|
821 | my $assoc_file = $doc_obj->get_assocfile_from_sourcefile();
|
---|
822 | my $section = $doc_obj->get_top_section();
|
---|
823 |
|
---|
824 | $doc_obj->associate_file($filename_full_path, $assoc_file, "", $section);
|
---|
825 |
|
---|
826 | $doc_obj->add_metadata ($section, "srclink", "<a href=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[SourceFile]\">");
|
---|
827 | $doc_obj->add_metadata ($section, "/srclink", "</a>");
|
---|
828 | $doc_obj->add_metadata ($section, "srcicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[SourceFile]\" width=\"100\">");
|
---|
829 |
|
---|
830 | }
|
---|
831 | #we have no text - adds dummy text and NoText metadata
|
---|
832 | $self->add_dummy_text($doc_obj, $doc_obj->get_top_section());
|
---|
833 |
|
---|
834 | return 1;
|
---|
835 |
|
---|
836 | }
|
---|
837 |
|
---|
838 |
|
---|
839 |
|
---|
840 |
|
---|
841 | sub output_distributed_keyframes
|
---|
842 | {
|
---|
843 | my ($self) = shift @_;
|
---|
844 | my ($timeline,$num_dist_frames) = @_;
|
---|
845 |
|
---|
846 | my $num_total_frames = $self->{'num-total-frames'};
|
---|
847 |
|
---|
848 | my $frame_delta = $num_total_frames/$num_dist_frames;
|
---|
849 |
|
---|
850 | my $closest_to = $frame_delta;
|
---|
851 | my $prev_t = 0;
|
---|
852 |
|
---|
853 | # print STDERR "*** num total frames = $num_total_frames\n";
|
---|
854 | # print STDERR "*** frame delta = $frame_delta\n";
|
---|
855 |
|
---|
856 | foreach my $curr_t (sort { $a <=> $b } keys %$timeline)
|
---|
857 | {
|
---|
858 | # print STDERR "*** curr_t = $curr_t\n";
|
---|
859 |
|
---|
860 | if ($curr_t>$closest_to) {
|
---|
861 | # decide if previous t (prev_t_ or current t (curr_t) is closest
|
---|
862 |
|
---|
863 | my $timeline_rec;
|
---|
864 |
|
---|
865 | my $prev_t_dist = $closest_to - $prev_t;
|
---|
866 | my $curr_t_dist = $curr_t - $closest_to;
|
---|
867 |
|
---|
868 | if ($curr_t_dist <= $prev_t_dist)
|
---|
869 | {
|
---|
870 | $timeline_rec = $timeline->{$curr_t}
|
---|
871 | }
|
---|
872 | else
|
---|
873 | {
|
---|
874 | $timeline_rec = $timeline->{$prev_t}
|
---|
875 | }
|
---|
876 |
|
---|
877 | my $name = $timeline_rec->{'name'};
|
---|
878 | my $timestamp = $timeline_rec->{'timestamp'};
|
---|
879 | my $thumb = $timeline_rec->{'thumb'};
|
---|
880 |
|
---|
881 |
|
---|
882 | print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
883 | print CUEOUT " <name>$name</name>\n";
|
---|
884 | print CUEOUT " <timestamp>$timestamp</timestamp>\n";
|
---|
885 | print CUEOUT " <parameters>\n";
|
---|
886 | print CUEOUT " <thumb>$thumb</thumb>\n";
|
---|
887 | print CUEOUT " </parameters>\n";
|
---|
888 | print CUEOUT " <type>navigation</type>\n";
|
---|
889 | print CUEOUT " </metatag>\n";
|
---|
890 |
|
---|
891 | # my $testtime = $timestamp+1000;
|
---|
892 | # print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
893 | # print CUEOUT " <name>Test $name</name>\n";
|
---|
894 | # print CUEOUT " <timestamp>$testtime</timestamp>\n";
|
---|
895 | # print CUEOUT " <parameters>\n";
|
---|
896 | # print CUEOUT " <thumb>$thumb</thumb>\n";
|
---|
897 | # print CUEOUT " <secnum>1</secnum>\n";
|
---|
898 | # print CUEOUT " <subsecnum>0</subsecnum>\n";
|
---|
899 | # print CUEOUT " </parameters>\n";
|
---|
900 | # print CUEOUT " <type>event</type>\n";
|
---|
901 | # print CUEOUT " </metatag>\n";
|
---|
902 |
|
---|
903 | $closest_to += $frame_delta;
|
---|
904 | }
|
---|
905 | $prev_t = $curr_t;
|
---|
906 | }
|
---|
907 | }
|
---|
908 |
|
---|
909 |
|
---|
910 |
|
---|
911 | sub Doctype {
|
---|
912 | my ($expat, $name, $sysid, $pubid, $internal) = @_;
|
---|
913 |
|
---|
914 | # my $root_tag = $self->{'root_tag'};
|
---|
915 |
|
---|
916 | if ($name !~ "seg") {
|
---|
917 | die "Root tag $name does not match expected <seg>";
|
---|
918 | }
|
---|
919 | }
|
---|
920 |
|
---|
921 | sub StartTag {
|
---|
922 | my ($expat, $element) = @_;
|
---|
923 |
|
---|
924 | my %attr = %_;
|
---|
925 |
|
---|
926 | if ($element eq "seg") {
|
---|
927 | $self->{'keyframe_index'} = 0;
|
---|
928 | $self->{'keyframe_fnames'} = [];
|
---|
929 | $self->{'keyframe_timeline'} = {};
|
---|
930 |
|
---|
931 | #$self->{'flowplayer_thumblist'} = "thumbs: \\[";
|
---|
932 |
|
---|
933 | my $output_dir = $self->{'videoconvert'}->{'cached_dir'};
|
---|
934 | my $cue_filename = &util::filename_cat($output_dir,"on_cue.xml");
|
---|
935 |
|
---|
936 | open(CUEOUT,">$cue_filename")
|
---|
937 | || die "Unable to open $cue_filename: $!\n";
|
---|
938 | print CUEOUT "<tags>\n";
|
---|
939 | }
|
---|
940 | elsif ($element eq "trans") {
|
---|
941 | my $trans_type = $attr{'type'};
|
---|
942 | my $pre_frame_num = $attr{'preFNum'};
|
---|
943 | my $post_frame_num = $attr{'postFNum'};
|
---|
944 |
|
---|
945 | my $avg_frame_num = int(($pre_frame_num+$post_frame_num)/2.0)+1;
|
---|
946 |
|
---|
947 | my $output_dir = $self->{'videoconvert'}->{'cached_dir'};
|
---|
948 | my $ivideo_root = $self->{'videoconvert'}->{'file_root'};
|
---|
949 |
|
---|
950 | my $keyframe_index = $self->{'keyframe_index'};
|
---|
951 |
|
---|
952 | my $fps = $self->{'video-fps'};
|
---|
953 |
|
---|
954 | if ($keyframe_index==0)
|
---|
955 | {
|
---|
956 | # hive actually generates one extra keyframe at the start,
|
---|
957 | # which is half way between frame 0 and the frist pre_frame
|
---|
958 |
|
---|
959 | my $thumb_file = sprintf("%s_%04d.jpg",$ivideo_root,$keyframe_index);
|
---|
960 | my $thumb_filename = &util::filename_cat($output_dir,$thumb_file);
|
---|
961 | push(@{$self->{'keyframe_fnames'}},$thumb_file);
|
---|
962 |
|
---|
963 | my $half_frame_num = $pre_frame_num/2.0;
|
---|
964 | my $time_msec = ($half_frame_num / $fps) * 1000;
|
---|
965 |
|
---|
966 | # print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
967 | # print CUEOUT " <name>Keyframe $keyframe_index</name>\n";
|
---|
968 | # print CUEOUT " <timestamp>$time_msec</timestamp>\n";
|
---|
969 | # print CUEOUT " <parameters>\n";
|
---|
970 | # print CUEOUT " <thumb>$thumb_file</thumb>\n";
|
---|
971 | # print CUEOUT " </parameters>\n";
|
---|
972 | # print CUEOUT " <type>navigation</type>\n";
|
---|
973 | # print CUEOUT " </metatag>\n";
|
---|
974 |
|
---|
975 |
|
---|
976 | my $timeline_rec = { 'name'=> "Keyframe $keyframe_index",
|
---|
977 | 'keyframeindex' => $keyframe_index,
|
---|
978 | 'timestamp' => $time_msec,
|
---|
979 | 'thumb' => $thumb_file };
|
---|
980 |
|
---|
981 | $self->{'keyframe_timeline'}->{$half_frame_num}=$timeline_rec;
|
---|
982 |
|
---|
983 | }
|
---|
984 |
|
---|
985 | $keyframe_index++;
|
---|
986 |
|
---|
987 | my $thumb_file = sprintf("%s_%04d.jpg",$ivideo_root,$keyframe_index);
|
---|
988 | my $thumb_filename = &util::filename_cat($output_dir,$thumb_file);
|
---|
989 | push(@{$self->{'keyframe_fnames'}},$thumb_file);
|
---|
990 |
|
---|
991 | my $time_msec = (($avg_frame_num) / $fps) * 1000;
|
---|
992 | my $time_sec = (($avg_frame_num)/ $fps);
|
---|
993 |
|
---|
994 | # print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
995 | # print CUEOUT " <name>Keyframe $keyframe_index</name>\n";
|
---|
996 | # print CUEOUT " <timestamp>$time_msec</timestamp>\n";
|
---|
997 | # print CUEOUT " <parameters>\n";
|
---|
998 | # print CUEOUT " <thumb>$thumb_file</thumb>\n";
|
---|
999 | # print CUEOUT " </parameters>\n";
|
---|
1000 | # print CUEOUT " <type>navigation</type>\n";
|
---|
1001 | # print CUEOUT " </metatag>\n";
|
---|
1002 |
|
---|
1003 |
|
---|
1004 | my $timeline_rec = { 'name'=> "Keyframe $keyframe_index",
|
---|
1005 | 'keyframeindex' => $keyframe_index,
|
---|
1006 | 'timestamp' => $time_msec,
|
---|
1007 | 'thumb' => $thumb_file };
|
---|
1008 |
|
---|
1009 | $self->{'keyframe_timeline'}->{$avg_frame_num}=$timeline_rec;
|
---|
1010 |
|
---|
1011 |
|
---|
1012 | # $self->{'flowplayer_thumblist'} .= "\\{ thumbNail: '$thumb_file', time: $time_sec \\},";
|
---|
1013 |
|
---|
1014 | $self->{'keyframe_index'} = $keyframe_index;
|
---|
1015 | }
|
---|
1016 | }
|
---|
1017 |
|
---|
1018 | sub EndTag {
|
---|
1019 | my ($expat, $element) = @_;
|
---|
1020 |
|
---|
1021 | if ($element eq "seg") {
|
---|
1022 |
|
---|
1023 | $self->output_distributed_keyframes($self->{'keyframe_timeline'},6);
|
---|
1024 |
|
---|
1025 |
|
---|
1026 | print CUEOUT "</tags>\n";
|
---|
1027 | close(CUEOUT);
|
---|
1028 |
|
---|
1029 | #$self->{'flowplayer_thumblist'} .= "\\]";
|
---|
1030 | }
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 |
|
---|
1034 | sub Text {
|
---|
1035 | my $text = $_;
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 | # This Char function overrides the one in XML::Parser::Stream to overcome a
|
---|
1039 | # problem where $expat->{Text} is treated as the return value, slowing
|
---|
1040 | # things down significantly in some cases.
|
---|
1041 | sub Char {
|
---|
1042 | $_[0]->{'Text'} .= $_[1];
|
---|
1043 | return undef;
|
---|
1044 | }
|
---|
1045 |
|
---|
1046 | 1;
|
---|
1047 |
|
---|
1048 |
|
---|
1049 |
|
---|
1050 |
|
---|
1051 |
|
---|
1052 |
|
---|
1053 |
|
---|
1054 |
|
---|
1055 |
|
---|
1056 |
|
---|
1057 |
|
---|