1 /*****************************************************************************
2 * goom.c: based on libgoom (see http://ios.free.fr/?page=projet&quoi=1)
3 *****************************************************************************
4 * Copyright (C) 2003 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
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.
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.
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
33 #include <vlc_block.h>
34 #include <vlc_input.h>
38 # include "goom_core.h"
39 # define PluginInfo void
40 # define goom_update(a,b,c,d,e,f) goom_update(b,c,d,e,f)
41 # define goom_close(a) goom_close()
42 # define goom_init(a,b) NULL; goom_init(a,b,0); goom_set_font(0,0,0)
47 # include <goom/goom.h>
50 /*****************************************************************************
52 *****************************************************************************/
53 static int Open ( vlc_object_t * );
54 static void Close ( vlc_object_t * );
56 #define WIDTH_TEXT N_("Goom display width")
57 #define HEIGHT_TEXT N_("Goom display height")
58 #define RES_LONGTEXT N_("This allows you to set the resolution of the " \
59 "Goom display (bigger resolution will be prettier but more CPU intensive).")
61 #define SPEED_TEXT N_("Goom animation speed")
62 #define SPEED_LONGTEXT N_("This allows you to set the animation speed " \
63 "(between 1 and 10, defaults to 6).")
68 set_shortname( _("Goom"));
69 set_description( _("Goom effect") );
70 set_category( CAT_AUDIO );
71 set_subcategory( SUBCAT_AUDIO_VISUAL );
72 set_capability( "visualization", 0 );
73 add_integer( "goom-width", 320, NULL,
74 WIDTH_TEXT, RES_LONGTEXT, VLC_FALSE );
75 add_integer( "goom-height", 240, NULL,
76 HEIGHT_TEXT, RES_LONGTEXT, VLC_FALSE );
77 add_integer( "goom-speed", 6, NULL,
78 SPEED_TEXT, SPEED_LONGTEXT, VLC_FALSE );
79 set_callbacks( Open, Close );
80 add_shortcut( "goom" );
83 /*****************************************************************************
85 *****************************************************************************/
86 #define MAX_BLOCKS 100
87 #define GOOM_DELAY 400000
92 vout_thread_t *p_vout;
99 /* Audio properties */
102 /* Audio samples queue */
103 block_t *pp_blocks[MAX_BLOCKS];
110 typedef struct aout_filter_sys_t
112 goom_thread_t *p_thread;
116 static void DoWork ( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
119 static void Thread ( vlc_object_t * );
121 static char *TitleGet( vlc_object_t * );
123 /*****************************************************************************
124 * Open: open a scope effect plugin
125 *****************************************************************************/
126 static int Open( vlc_object_t *p_this )
128 aout_filter_t *p_filter = (aout_filter_t *)p_this;
129 aout_filter_sys_t *p_sys;
130 goom_thread_t *p_thread;
131 vlc_value_t width, height;
135 if ( p_filter->input.i_format != VLC_FOURCC('f','l','3','2' )
136 || p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
138 msg_Warn( p_filter, "bad input or output format" );
141 if ( !AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
143 msg_Warn( p_filter, "input and output formats are not similar" );
147 p_filter->pf_do_work = DoWork;
148 p_filter->b_in_place = 1;
150 /* Allocate structure */
151 p_sys = p_filter->p_sys = malloc( sizeof( aout_filter_sys_t ) );
153 /* Create goom thread */
154 p_sys->p_thread = p_thread =
155 vlc_object_create( p_filter, sizeof( goom_thread_t ) );
156 vlc_object_attach( p_thread, p_this );
158 var_Create( p_thread, "goom-width", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
159 var_Get( p_thread, "goom-width", &width );
160 var_Create( p_thread, "goom-height", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
161 var_Get( p_thread, "goom-height", &height );
163 memset( &fmt, 0, sizeof(video_format_t) );
165 fmt.i_width = fmt.i_visible_width = width.i_int;
166 fmt.i_height = fmt.i_visible_height = height.i_int;
167 fmt.i_chroma = VLC_FOURCC('R','V','3','2');
168 fmt.i_aspect = VOUT_ASPECT_FACTOR * width.i_int/height.i_int;
169 fmt.i_sar_num = fmt.i_sar_den = 1;
171 p_thread->p_vout = vout_Request( p_filter, NULL, &fmt );
172 if( p_thread->p_vout == NULL )
174 msg_Err( p_filter, "no suitable vout module" );
175 vlc_object_detach( p_thread );
176 vlc_object_destroy( p_thread );
180 vlc_mutex_init( p_filter, &p_thread->lock );
181 vlc_cond_init( p_filter, &p_thread->wait );
183 p_thread->i_blocks = 0;
184 aout_DateInit( &p_thread->date, p_filter->output.i_rate );
185 aout_DateSet( &p_thread->date, 0 );
186 p_thread->i_channels = aout_FormatNbChannels( &p_filter->input );
188 p_thread->psz_title = TitleGet( VLC_OBJECT( p_filter ) );
190 if( vlc_thread_create( p_thread, "Goom Update Thread", Thread,
191 VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
193 msg_Err( p_filter, "cannot lauch goom thread" );
194 vout_Destroy( p_thread->p_vout );
195 vlc_mutex_destroy( &p_thread->lock );
196 vlc_cond_destroy( &p_thread->wait );
197 if( p_thread->psz_title ) free( p_thread->psz_title );
198 vlc_object_detach( p_thread );
199 vlc_object_destroy( p_thread );
207 /*****************************************************************************
208 * DoWork: process samples buffer
209 *****************************************************************************
210 * This function queues the audio buffer to be processed by the goom thread
211 *****************************************************************************/
212 static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
213 aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
215 aout_filter_sys_t *p_sys = p_filter->p_sys;
218 p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
219 p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
222 vlc_mutex_lock( &p_sys->p_thread->lock );
223 if( p_sys->p_thread->i_blocks == MAX_BLOCKS )
225 vlc_mutex_unlock( &p_sys->p_thread->lock );
229 p_block = block_New( p_sys->p_thread, p_in_buf->i_nb_bytes );
230 if( !p_block ) return;
231 memcpy( p_block->p_buffer, p_in_buf->p_buffer, p_in_buf->i_nb_bytes );
232 p_block->i_pts = p_in_buf->start_date;
234 p_sys->p_thread->pp_blocks[p_sys->p_thread->i_blocks++] = p_block;
236 vlc_cond_signal( &p_sys->p_thread->wait );
237 vlc_mutex_unlock( &p_sys->p_thread->lock );
240 /*****************************************************************************
241 * float to s16 conversion
242 *****************************************************************************/
243 static inline int16_t FloatToInt16( float f )
250 return (int16_t)( f * 32768.0 );
253 /*****************************************************************************
255 *****************************************************************************/
256 static int FillBuffer( int16_t *p_data, int *pi_data,
257 audio_date_t *pi_date, audio_date_t *pi_date_end,
258 goom_thread_t *p_this )
263 while( *pi_data < 512 )
265 if( !p_this->i_blocks ) return VLC_EGENERIC;
267 p_block = p_this->pp_blocks[0];
268 i_samples = __MIN( 512 - *pi_data, p_block->i_buffer /
269 sizeof(float) / p_this->i_channels );
271 /* Date management */
272 if( p_block->i_pts > 0 &&
273 p_block->i_pts != aout_DateGet( pi_date_end ) )
275 aout_DateSet( pi_date_end, p_block->i_pts );
279 aout_DateIncrement( pi_date_end, i_samples );
281 while( i_samples > 0 )
283 float *p_float = (float *)p_block->p_buffer;
285 p_data[*pi_data] = FloatToInt16( p_float[0] );
286 if( p_this->i_channels > 1 )
287 p_data[512 + *pi_data] = FloatToInt16( p_float[1] );
290 p_block->p_buffer += (sizeof(float) * p_this->i_channels);
291 p_block->i_buffer -= (sizeof(float) * p_this->i_channels);
295 if( !p_block->i_buffer )
297 block_Release( p_block );
299 if( p_this->i_blocks )
300 memmove( p_this->pp_blocks, p_this->pp_blocks + 1,
301 p_this->i_blocks * sizeof(block_t *) );
305 *pi_date = *pi_date_end;
310 /*****************************************************************************
312 *****************************************************************************/
313 static void Thread( vlc_object_t *p_this )
315 goom_thread_t *p_thread = (goom_thread_t*)p_this;
316 vlc_value_t width, height, speed;
318 int16_t p_data[2][512];
319 int i_data = 0, i_count = 0;
320 PluginInfo *p_plugin_info;
322 var_Get( p_this, "goom-width", &width );
323 var_Get( p_this, "goom-height", &height );
325 var_Create( p_thread, "goom-speed", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
326 var_Get( p_thread, "goom-speed", &speed );
327 speed.i_int = MAX_SPEED - speed.i_int;
328 if( speed.i_int < 0 ) speed.i_int = 0;
330 p_plugin_info = goom_init( width.i_int, height.i_int );
332 while( !p_thread->b_die )
337 /* goom_update is damn slow, so just copy data and release the lock */
338 vlc_mutex_lock( &p_thread->lock );
339 if( FillBuffer( (int16_t *)p_data, &i_data, &i_pts,
340 &p_thread->date, p_thread ) != VLC_SUCCESS )
341 vlc_cond_wait( &p_thread->wait, &p_thread->lock );
342 vlc_mutex_unlock( &p_thread->lock );
344 /* Speed selection */
345 if( speed.i_int && (++i_count % (speed.i_int+1)) ) continue;
347 /* Frame dropping if necessary */
348 if( aout_DateGet( &i_pts ) + GOOM_DELAY <= mdate() ) continue;
350 plane = goom_update( p_plugin_info, p_data, 0, 0.0,
351 p_thread->psz_title, NULL );
353 if( p_thread->psz_title )
355 free( p_thread->psz_title );
356 p_thread->psz_title = NULL;
359 while( !( p_pic = vout_CreatePicture( p_thread->p_vout, 0, 0, 0 ) ) &&
362 msleep( VOUT_OUTMEM_SLEEP );
365 if( p_pic == NULL ) break;
367 memcpy( p_pic->p[0].p_pixels, plane, width.i_int * height.i_int * 4 );
368 vout_DatePicture( p_thread->p_vout, p_pic,
369 aout_DateGet( &i_pts ) + GOOM_DELAY );
370 vout_DisplayPicture( p_thread->p_vout, p_pic );
373 goom_close( p_plugin_info );
376 /*****************************************************************************
377 * Close: close the plugin
378 *****************************************************************************/
379 static void Close( vlc_object_t *p_this )
381 aout_filter_t *p_filter = (aout_filter_t *)p_this;
382 aout_filter_sys_t *p_sys = p_filter->p_sys;
384 /* Stop Goom Thread */
385 vlc_object_kill( p_sys->p_thread );
387 vlc_mutex_lock( &p_sys->p_thread->lock );
388 vlc_cond_signal( &p_sys->p_thread->wait );
389 vlc_mutex_unlock( &p_sys->p_thread->lock );
391 vlc_thread_join( p_sys->p_thread );
394 vout_Request( p_filter, p_sys->p_thread->p_vout, 0 );
395 vlc_mutex_destroy( &p_sys->p_thread->lock );
396 vlc_cond_destroy( &p_sys->p_thread->wait );
397 vlc_object_detach( p_sys->p_thread );
399 while( p_sys->p_thread->i_blocks-- )
401 block_Release( p_sys->p_thread->pp_blocks[p_sys->p_thread->i_blocks] );
404 vlc_object_destroy( p_sys->p_thread );
409 static char *TitleGet( vlc_object_t *p_this )
411 char *psz_title = NULL;
412 input_thread_t *p_input =
413 vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_ANYWHERE );
417 psz_title = strdup( input_item_GetTitle( input_GetItem( p_input ) ) );
418 if( EMPTY_STR( psz_title ) )
421 char *psz = strrchr( input_GetItem(p_input)->psz_uri, '/' );
429 psz = input_GetItem(p_input)->psz_uri;
433 psz_title = strdup( psz );
436 vlc_object_release( p_input );