1 /* $Id: hb.c,v 1.43 2005/04/27 21:05:24 titer Exp $
3 This file is part of the HandBrake source code.
4 Homepage: <http://handbrake.m0k.org/>.
5 It may be used under the terms of the GNU General Public License. */
9 #include "ffmpeg/avcodec.h"
13 /* The "Check for update" thread */
16 hb_thread_t * update_thread;
18 /* This thread's only purpose is to check other threads'
21 hb_thread_t * main_thread;
24 /* DVD/file scan thread */
25 hb_list_t * list_title;
26 hb_thread_t * scan_thread;
28 /* The thread which processes the jobs. Others threads are launched
29 from this one (see work.c) */
32 volatile int work_die;
34 hb_thread_t * work_thread;
38 hb_lock_t * state_lock;
42 hb_lock_t * pause_lock;
45 static void thread_func( void * );
47 hb_handle_t * hb_init( int verbose, int update_check )
49 hb_handle_t * h = calloc( sizeof( hb_handle_t ), 1 );
52 /* See hb_log() in common.c */
53 if( verbose > HB_DEBUG_NONE )
55 putenv( "HB_DEBUG=1" );
58 /* Check for an update on the website if asked to */
63 hb_log( "hb_init: checking for updates" );
65 h->update_thread = hb_update_init( &h->build, h->version );
69 if( hb_thread_has_exited( h->update_thread ) )
71 /* Immediate success or failure */
72 hb_thread_close( &h->update_thread );
75 if( hb_get_date() > date + 1000 )
77 /* Still nothing after one second. Connection problem,
79 hb_log( "hb_init: connection problem, not waiting for "
87 /* CPU count detection */
88 hb_log( "hb_init: checking cpu count" );
89 h->cpu_count = hb_get_cpu_count();
91 h->list_title = hb_list_init();
92 h->jobs = hb_list_init();
94 h->state_lock = hb_lock_init();
95 h->state.state = HB_STATE_IDLE;
97 h->pause_lock = hb_lock_init();
101 register_avcodec( &mpeg4_encoder );
102 register_avcodec( &mp2_decoder );
103 register_avcodec( &ac3_encoder );
105 /* Start library thread */
106 hb_log( "hb_init: starting libhb thread" );
108 h->main_thread = hb_thread_init( "libhb", thread_func, h,
109 HB_NORMAL_PRIORITY );
114 char * hb_get_version( hb_handle_t * h )
119 int hb_get_build( hb_handle_t * h )
124 int hb_check_update( hb_handle_t * h, char ** version )
126 *version = ( h->build < 0 ) ? NULL : h->version;
130 void hb_set_cpu_count( hb_handle_t * h, int cpu_count )
132 cpu_count = MAX( 1, cpu_count );
133 cpu_count = MIN( cpu_count, 8 );
134 h->cpu_count = cpu_count;
137 void hb_scan( hb_handle_t * h, const char * path, int title_index )
141 /* Clean up from previous scan */
142 while( ( title = hb_list_item( h->list_title, 0 ) ) )
144 hb_list_rem( h->list_title, title );
145 hb_title_close( &title );
148 hb_log( "hb_scan: path=%s, title_index=%d", path, title_index );
149 h->scan_thread = hb_scan_init( h, path, title_index, h->list_title );
152 hb_list_t * hb_get_titles( hb_handle_t * h )
154 return h->list_title;
157 void hb_get_preview( hb_handle_t * h, hb_title_t * title, int picture,
160 hb_job_t * job = title->job;
163 uint8_t * buf1, * buf2, * buf3, * buf4, * pen;
165 AVPicture pic1, pic2, pic3, pic4;
166 ImgReSampleContext * context;
169 buf1 = malloc( title->width * title->height * 3 / 2 );
170 buf2 = malloc( title->width * title->height * 3 / 2 );
171 buf3 = malloc( title->width * title->height * 3 / 2 );
172 buf4 = malloc( title->width * title->height * 4 );
173 avpicture_fill( &pic1, buf1, PIX_FMT_YUV420P,
174 title->width, title->height );
175 avpicture_fill( &pic2, buf2, PIX_FMT_YUV420P,
176 title->width, title->height );
177 avpicture_fill( &pic3, buf3, PIX_FMT_YUV420P,
178 job->width, job->height );
179 avpicture_fill( &pic4, buf4, PIX_FMT_RGBA32,
180 job->width, job->height );
182 memset( filename, 0, 1024 );
184 hb_get_tempory_filename( h, filename, "%x%d",
185 (int) title, picture );
187 file = fopen( filename, "r" );
190 hb_log( "hb_get_preview: fopen failed" );
194 fread( buf1, title->width * title->height * 3 / 2, 1, file );
197 context = img_resample_full_init(
198 job->width, job->height, title->width, title->height,
199 job->crop[0], job->crop[1], job->crop[2], job->crop[3],
202 if( job->deinterlace )
204 avpicture_deinterlace( &pic2, &pic1, PIX_FMT_YUV420P,
205 title->width, title->height );
206 img_resample( context, &pic3, &pic2 );
210 img_resample( context, &pic3, &pic1 );
212 img_convert( &pic4, PIX_FMT_RGBA32, &pic3, PIX_FMT_YUV420P,
213 job->width, job->height );
215 /* Gray background */
216 p32 = (uint32_t *) buffer;
217 for( i = 0; i < ( title->width + 2 ) * ( title->height + 2 ); i++ )
222 /* Draw the picture, centered, and draw the cropping zone */
223 pen = buffer + ( title->height - job->height ) *
224 ( title->width + 2 ) * 2 + ( title->width - job->width ) * 2;
225 memset( pen, 0xFF, 4 * ( job->width + 2 ) );
226 pen += 4 * ( title->width + 2 );
227 for( i = 0; i < job->height; i++ )
230 nextLine = pen + 4 * ( title->width + 2 );
231 memset( pen, 0xFF, 4 );
233 memcpy( pen, buf4 + 4 * job->width * i, 4 * job->width );
234 pen += 4 * job->width;
235 memset( pen, 0xFF, 4 );
238 memset( pen, 0xFF, 4 * ( job->width + 2 ) );
246 int hb_count( hb_handle_t * h )
248 return hb_list_count( h->jobs );
251 hb_job_t * hb_job( hb_handle_t * h, int i )
253 return hb_list_item( h->jobs, i );
256 /* hb_add: memcpy() party. That's ugly, for if someone has a better
258 void hb_add( hb_handle_t * h, hb_job_t * job )
261 hb_title_t * title, * title_copy;
262 hb_chapter_t * chapter, * chapter_copy;
263 hb_audio_t * audio, * audio_copy;
264 hb_subtitle_t * subtitle, * subtitle_copy;
269 title_copy = malloc( sizeof( hb_title_t ) );
270 memcpy( title_copy, title, sizeof( hb_title_t ) );
272 title_copy->list_chapter = hb_list_init();
273 for( i = 0; i < hb_list_count( title->list_chapter ); i++ )
275 chapter = hb_list_item( title->list_chapter, i );
276 chapter_copy = malloc( sizeof( hb_chapter_t ) );
277 memcpy( chapter_copy, chapter, sizeof( hb_chapter_t ) );
278 hb_list_add( title_copy->list_chapter, chapter_copy );
281 /* Copy the audio track(s) we want */
282 title_copy->list_audio = hb_list_init();
284 /* Do nothing about audio during first pass */
287 for( i = 0; i < 8; i++ )
289 if( job->audios[i] < 0 )
293 if( ( audio = hb_list_item( title->list_audio, job->audios[i] ) ) )
295 audio_copy = malloc( sizeof( hb_audio_t ) );
296 memcpy( audio_copy, audio, sizeof( hb_audio_t ) );
297 hb_list_add( title_copy->list_audio, audio_copy );
302 /* Copy the subtitle we want (or not) */
303 title_copy->list_subtitle = hb_list_init();
304 if( ( subtitle = hb_list_item( title->list_subtitle, job->subtitle ) ) )
306 subtitle_copy = malloc( sizeof( hb_subtitle_t ) );
307 memcpy( subtitle_copy, subtitle, sizeof( hb_subtitle_t ) );
308 hb_list_add( title_copy->list_subtitle, subtitle_copy );
312 job_copy = calloc( sizeof( hb_job_t ), 1 );
313 memcpy( job_copy, job, sizeof( hb_job_t ) );
314 job_copy->title = title_copy;
315 job_copy->file = strdup( job->file );
317 job_copy->pause = h->pause_lock;
319 /* Add the job to the list */
320 hb_list_add( h->jobs, job_copy );
323 void hb_rem( hb_handle_t * h, hb_job_t * job )
325 hb_list_rem( h->jobs, job );
327 /* XXX free everything XXX */
330 void hb_start( hb_handle_t * h )
333 h->job_count = hb_list_count( h->jobs );
335 hb_lock( h->state_lock );
336 h->state.state = HB_STATE_WORKING;
337 #define p h->state.param.working
340 p.job_count = h->job_count;
347 hb_unlock( h->state_lock );
352 h->work_thread = hb_work_init( h->jobs, h->cpu_count,
353 &h->work_die, &h->work_error );
356 void hb_pause( hb_handle_t * h )
360 hb_lock( h->pause_lock );
363 hb_lock( h->state_lock );
364 h->state.state = HB_STATE_PAUSED;
365 hb_unlock( h->state_lock );
369 void hb_resume( hb_handle_t * h )
373 hb_unlock( h->pause_lock );
378 void hb_stop( hb_handle_t * h )
385 void hb_get_state( hb_handle_t * h, hb_state_t * s )
387 hb_lock( h->state_lock );
389 memcpy( s, &h->state, sizeof( hb_state_t ) );
390 h->state.state = HB_STATE_IDLE;
392 hb_unlock( h->state_lock );
395 void hb_close( hb_handle_t ** _h )
397 hb_handle_t * h = *_h;
401 hb_thread_close( &h->main_thread );
403 while( ( title = hb_list_item( h->list_title, 0 ) ) )
405 hb_list_rem( h->list_title, title );
406 hb_title_close( &title );
408 hb_list_close( &h->list_title );
410 hb_list_close( &h->jobs );
411 hb_lock_close( &h->state_lock );
412 hb_lock_close( &h->pause_lock );
417 static void thread_func( void * _h )
419 hb_handle_t * h = (hb_handle_t *) _h;
422 struct dirent * entry;
426 /* Create folder for temporary files */
427 memset( dirname, 0, 1024 );
428 hb_get_tempory_directory( h, dirname );
434 /* In case the check_update thread hangs, it'll die sooner or
435 later. Then, we join it here */
436 if( h->update_thread &&
437 hb_thread_has_exited( h->update_thread ) )
439 hb_thread_close( &h->update_thread );
442 /* Check if the scan thread is done */
443 if( h->scan_thread &&
444 hb_thread_has_exited( h->scan_thread ) )
446 hb_thread_close( &h->scan_thread );
448 hb_log( "libhb: scan thread found %d valid title(s)",
449 hb_list_count( h->list_title ) );
450 hb_lock( h->state_lock );
451 h->state.state = HB_STATE_SCANDONE;
452 hb_unlock( h->state_lock );
455 /* Check if the work thread is done */
456 if( h->work_thread &&
457 hb_thread_has_exited( h->work_thread ) )
459 hb_thread_close( &h->work_thread );
461 hb_log( "libhb: work result = %d",
463 hb_lock( h->state_lock );
464 h->state.state = HB_STATE_WORKDONE;
465 h->state.param.workdone.error = h->work_error;
466 hb_unlock( h->state_lock );
475 hb_thread_close( &h->work_thread );
478 /* Remove temp folder */
479 dir = opendir( dirname );
480 while( ( entry = readdir( dir ) ) )
483 if( entry->d_name[0] == '.' )
487 memset( filename, 0, 1024 );
488 snprintf( filename, 1023, "%s/%s", dirname, entry->d_name );
495 int hb_get_pid( hb_handle_t * h )
500 void hb_set_state( hb_handle_t * h, hb_state_t * s )
502 hb_lock( h->pause_lock );
503 hb_lock( h->state_lock );
504 memcpy( &h->state, s, sizeof( hb_state_t ) );
505 if( h->state.state == HB_STATE_WORKING )
508 h->state.param.working.job_cur =
509 h->job_count - hb_list_count( h->jobs );
510 h->state.param.working.job_count = h->job_count;
512 hb_unlock( h->state_lock );
513 hb_unlock( h->pause_lock );