* visual.c : Visualisation system
*****************************************************************************
* Copyright (C) 2002 VideoLAN
- * $Id: visual.c,v 1.5 2003/09/09 23:35:28 hartman Exp $
+ * $Id: visual.c,v 1.10 2003/09/24 10:21:32 zorglub Exp $
*
* Authors: Clément Stenac <zorglub@via.ecp.fr>
*
* 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.
- *
+ *
* 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
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include "visual.h"
-
+#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
+#include <vlc/vout.h>
+#include "audio_output.h"
+#include "aout_internal.h"
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int Open ( vlc_object_t * );
-static void Close ( vlc_object_t * );
-
-static void DoWork ( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
- aout_buffer_t * );
+#include "visual.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define ELIST_TEXT N_( "Effects list" )
#define ELIST_LONGTEXT N_( \
- "A list of visual effect, separated by commas.\n
+ "A list of visual effect, separated by commas.\n" \
"Current effects include: dummy, random, scope, spectrum" )
#define WIDTH_TEXT N_( "Video width" )
-#define HEIGHT_LONGTEXT N_( \
- "The width of the effects video window, in pixels." )
-
-#define HEIGHT_TEXT N_( "Video width" )
#define WIDTH_LONGTEXT N_( \
"The width of the effects video window, in pixels." )
+#define HEIGHT_TEXT N_( "Video height" )
+#define HEIGHT_LONGTEXT N_( \
+ "The height of the effects video window, in pixels." )
+
#define NBBANDS_TEXT N_( "Number of bands" )
#define NBBANDS_LONGTEXT N_( \
"Number of bands used by spectrum analizer, should be 20 or 80" )
#define SEPAR_TEXT N_( "Band separator" )
#define SEPAR_LONGTEXT N_( \
"Number of blank pixels between bands")
-
+
#define AMP_TEXT N_( "Amplification" )
#define AMP_LONGTEXT N_( \
"This is a coefficient that modifies the height of the bands")
-
+
#define PEAKS_TEXT N_( "Enable peaks" )
#define PEAKS_LONGTEXT N_( \
"Defines whether to draw peaks" )
#define STARS_LONGTEXT N_( \
"Defines the number of stars to draw with random effect" )
-//static char *effect_list[] = { "dummy", "random", "scope", "spectrum", NULL };
+static int Open ( vlc_object_t * );
+static void Close ( vlc_object_t * );
vlc_module_begin();
add_category_hint( N_("visualizer") , NULL , VLC_FALSE);
- set_description( _("visualizer filter") );
+ set_description( _("visualizer filter") );
add_string("effect-list", "dummy", NULL,
ELIST_TEXT, ELIST_LONGTEXT, VLC_TRUE );
add_integer("effect-width",VOUT_WIDTH,NULL,
add_shortcut( "visualizer");
vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static void DoWork( aout_instance_t *, aout_filter_t *,
+ aout_buffer_t *, aout_buffer_t * );
+static struct
+{
+ char *psz_name;
+ int (*pf_run)( visual_effect_t *, aout_instance_t *,
+ aout_buffer_t *, picture_t *);
+} pf_effect_run[]=
+{
+ { "scope", scope_Run },
+ { "spectrum", spectrum_Run },
+ { "random", random_Run},
+ { "dummy", dummy_Run},
+ { NULL, dummy_Run}
+};
+
/*****************************************************************************
* Open: open the visualizer
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
- aout_filter_t *p_filter = (aout_filter_t *)p_this;
-
- char *psz_effects;
- char *psz_eof; /* Used to parse effect list */
- char *psz_eoa, *psz_boa; /* Used to parse arg lists */
-
- vlc_bool_t b_end = VLC_FALSE;
-
- visual_effect_t *p_current_effect = NULL;
-
- if( (p_filter->input.i_format != VLC_FOURCC('f','l','3','2')
- && p_filter->input.i_format != VLC_FOURCC('f','i','3','2')) )
+ aout_filter_t *p_filter = (aout_filter_t *)p_this;
+ aout_filter_sys_t *p_sys;
+
+ char *psz_effects, *psz_parser;
+
+ if( ( p_filter->input.i_format != VLC_FOURCC('f','l','3','2') &&
+ p_filter->input.i_format != VLC_FOURCC('f','i','3','2') ) )
{
- return -1;
+ return VLC_EGENERIC;
}
- p_filter->p_sys = malloc(sizeof(struct aout_filter_sys_t));
- if ( p_filter->p_sys == NULL )
+ p_sys = p_filter->p_sys = malloc( sizeof( aout_filter_sys_t ) );
+ if( p_sys == NULL )
{
msg_Err( p_filter, "out of memory" );
- return -1;
+ return VLC_EGENERIC;
}
- p_filter->p_sys->i_height = config_GetInt( p_filter , "effect-height");
- p_filter->p_sys->i_width = config_GetInt( p_filter , "effect-width");
-
- if ( p_filter->p_sys->i_height < 20 )
- p_filter->p_sys->i_height = 20;
- if ( p_filter->p_sys->i_width < 20 )
- p_filter->p_sys->i_width = 20;
-
- if( (p_filter->p_sys->i_height % 2 ) != 0 )
- p_filter->p_sys->i_height --;
-
- if( (p_filter->p_sys->i_width % 2 ) != 0 )
- p_filter->p_sys->i_width --;
-
+ p_sys->i_height = config_GetInt( p_filter , "effect-height");
+ p_sys->i_width = config_GetInt( p_filter , "effect-width");
+
+ if( p_sys->i_height < 20 ) p_sys->i_height = 20;
+ if( p_sys->i_width < 20 ) p_sys->i_width = 20;
+ if( (p_sys->i_height % 2 ) != 0 ) p_sys->i_height--;
+ if( (p_sys->i_width % 2 ) != 0 ) p_sys->i_width--;
+
+ p_sys->i_effect = 0;
+ p_sys->effect = NULL;
+
/* Parse the effect list */
- psz_effects = config_GetPsz( p_filter, "effect-list" );
+ psz_parser = psz_effects = config_GetPsz( p_filter, "effect-list" );
msg_Dbg( p_filter , "Building list of effects" );
-
- p_filter->p_sys->p_first_effect =
- (visual_effect_t *)malloc( sizeof( visual_effect_t ) );
- if( !p_filter->p_sys->p_first_effect )
- {
- msg_Err( p_filter, "Out of memory" );
- return -1;
- }
- p_current_effect = p_filter->p_sys->p_first_effect;
- p_current_effect->p_next = NULL;
- while(1)
+ while( psz_parser && *psz_parser != '\0' )
{
- psz_eof = strchr( psz_effects , ',' );
- if( !psz_eof )
+ visual_effect_t *p_effect;
+ int i;
+
+ p_effect = malloc( sizeof( visual_effect_t ) );
+ p_effect->i_width = p_sys->i_width;
+ p_effect->i_height= p_sys->i_height;
+ p_effect->i_nb_chans = aout_FormatNbChannels( &p_filter->input);
+ p_effect->psz_args = NULL;
+ p_effect->p_data = NULL;
+
+ p_effect->pf_run = NULL;
+ p_effect->psz_name = NULL;
+
+ for( i = 0; pf_effect_run[i].psz_name != NULL; i++ )
+ {
+ if( !strncasecmp( psz_parser,
+ pf_effect_run[i].psz_name,
+ strlen( pf_effect_run[i].psz_name ) ) )
+ {
+ p_effect->pf_run = pf_effect_run[i].pf_run;
+ p_effect->psz_name = strdup( pf_effect_run[i].psz_name );
+ break;
+ }
+ }
+
+ if( p_effect->psz_name )
{
- b_end = VLC_TRUE;
- psz_eof = strchr( psz_effects,'\0');
+ psz_parser += strlen( p_effect->psz_name );
+
+ if( *psz_parser == '{' )
+ {
+ char *psz_eoa;
+
+ psz_parser++;
+
+ if( ( psz_eoa = strchr( psz_parser, '}') ) == NULL )
+ {
+ msg_Err( p_filter, "Unable to parse effect list. Aborting");
+ break;
+ }
+ p_effect->psz_args = strndup( psz_parser, psz_eoa - psz_parser);
+ }
}
- if( psz_eof )
+ else
{
- *psz_eof = '\0';
+ msg_Err( p_filter, "unknown visual effect" );
}
- p_current_effect->p_next =
- (visual_effect_t *)malloc( sizeof( visual_effect_t ) );
- if( !p_current_effect )
+ TAB_APPEND( p_sys->i_effect, p_sys->effect, p_effect );
+
+ if( strchr( psz_parser, ',' ) )
{
- msg_Err( p_filter, "Out of memory" );
+ psz_parser = strchr( psz_parser, ',' ) + 1;
}
- p_current_effect = p_current_effect -> p_next;
- p_current_effect->pf_run = NULL;
- p_current_effect->p_next = NULL;
- p_current_effect->i_width = p_filter->p_sys->i_width;
- p_current_effect->i_height = p_filter->p_sys->i_height;
- p_current_effect->p_data = NULL;
-
- if(! strncasecmp(psz_effects,"dummy",5))
- p_current_effect->pf_run = dummy_Run;
- else if(! strncasecmp(psz_effects,"scope",5) )
- p_current_effect->pf_run = scope_Run;
- else if(! strncasecmp(psz_effects,"spectrum",8) )
- p_current_effect->pf_run = spectrum_Run;
- else if(! strncasecmp(psz_effects,"random",6) )
- p_current_effect->pf_run = random_Run;
-#if 0
- else if(! strncasecmp(psz_effects,"blur",4) )
- p_current_effect->pf_run = blur_Run;
-#endif
- p_current_effect->psz_args = NULL;
- p_current_effect->i_nb_chans =
- aout_FormatNbChannels( &p_filter->input);
- psz_boa = strchr( psz_effects, '{' );
- if( psz_boa )
+ else if( strchr( psz_parser, ':' ) )
{
- psz_eoa = strchr( psz_effects, '}');
- if( ! psz_eoa )
- {
- msg_Err( p_filter, "Unable to parse effect list. Aborting");
- return -1;
- }
- *psz_eoa = '\0';
- p_current_effect->psz_args = strdup(++psz_boa);
- psz_effects = psz_eoa;
+ psz_parser = strchr( psz_parser, ':' ) + 1;
}
- psz_effects = psz_eof;
- psz_effects ++;
-
- if( b_end == VLC_TRUE )
+ else
+ {
break;
+ }
}
-
- p_filter->pf_do_work = DoWork;
- p_filter->b_in_place= 1;
+
+ if( psz_effects )
+ {
+ free( psz_effects );
+ }
+
/* Open the video output */
- p_filter->p_sys->p_vout =
+ p_sys->p_vout =
vout_Request( p_filter, NULL,
- p_filter->p_sys->i_width,
- p_filter->p_sys->i_height,
- VLC_FOURCC('I','4','2','0'),
- VOUT_ASPECT_FACTOR * p_filter->p_sys->i_width/
- p_filter->p_sys->i_height );
-
- if( p_filter->p_sys->p_vout == NULL )
+ p_sys->i_width, p_sys->i_height,
+ VLC_FOURCC('I','4','2','0'),
+ VOUT_ASPECT_FACTOR * p_sys->i_width/p_sys->i_height );
+
+ if( p_sys->p_vout == NULL )
{
msg_Err( p_filter, "no suitable vout module" );
- if(p_filter->p_sys)
- free( p_filter->p_sys );
- return -1;
+ free( p_sys );
+ return VLC_EGENERIC;
}
-
- msg_Dbg(p_filter,"Visualizer initialized");
- return 0 ;
-}
-/******************************************************************************
- * SparseCopy: trivially downmix or upmix a buffer
- ******************************************************************************
- * Pasted from trivial.c *
- *****************************************************************************/
-static void SparseCopy( s32 * p_dest, const s32 * p_src, size_t i_len,
- int i_output_stride, int i_input_stride )
-{
- int i;
- for ( i = i_len; i--; )
- {
- int j;
- for ( j = 0; j < i_output_stride; j++ )
- {
- p_dest[j] = p_src[j % i_input_stride];
- }
- p_src += i_input_stride;
- p_dest += i_output_stride;
- }
+ p_filter->pf_do_work = DoWork;
+ p_filter->b_in_place= 1;
+
+ msg_Dbg( p_filter,"Visualizer initialized");
+ return VLC_SUCCESS;
}
+
/*****************************************************************************
* DoWork: convert a buffer
*****************************************************************************
static void DoWork( aout_instance_t *p_aout, aout_filter_t *p_filter,
aout_buffer_t *p_in_buf, aout_buffer_t *p_out_buf )
{
+ aout_filter_sys_t *p_sys = p_filter->p_sys;
picture_t *p_outpic;
-
- visual_effect_t *p_current_effect;
-
- int i_input_nb = aout_FormatNbChannels( &p_filter->input );
- int i_output_nb = aout_FormatNbChannels( &p_filter->output );
- s32 * p_dest = (s32 *)p_out_buf->p_buffer;
- s32 * p_src = (s32 *)p_in_buf->p_buffer;
- int i_index;
-
+ int i;
+
p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
- p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes * i_output_nb / i_input_nb;
+ p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes *
+ aout_FormatNbChannels( &p_filter->output ) /
+ aout_FormatNbChannels( &p_filter->input );
- /* First, output the sound */
- if ( (p_filter->output.i_original_channels & AOUT_CHAN_PHYSMASK)
- != (p_filter->input.i_original_channels & AOUT_CHAN_PHYSMASK)
- && (p_filter->input.i_original_channels & AOUT_CHAN_PHYSMASK)
- == (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT) )
- {
- int i;
- /* This is a bit special. */
- if ( !(p_filter->output.i_original_channels & AOUT_CHAN_LEFT) )
- {
- p_src++;
- }
- if ( p_filter->output.i_physical_channels == AOUT_CHAN_CENTER )
- {
- /* Mono mode */
- for ( i = p_in_buf->i_nb_samples; i--; )
- {
- *p_dest = *p_src;
- p_dest++;
- p_src += 2;
- }
- }
- else
- {
- /* Fake-stereo mode */
- for ( i = p_in_buf->i_nb_samples; i--; )
- {
- *p_dest = *p_src;
- p_dest++;
- *p_dest = *p_src;
- p_dest++;
- p_src += 2;
- }
- }
- }
- else if ( p_filter->output.i_original_channels
- & AOUT_CHAN_REVERSESTEREO )
+ /* First, get a new picture */
+ while( ( p_outpic = vout_CreatePicture( p_sys->p_vout, 0, 0, 3 ) ) == NULL)
{
- /* Reverse-stereo mode */
- int i;
- for ( i = p_in_buf->i_nb_samples; i--; )
+ if( p_aout->b_die )
{
- *p_dest = p_src[1];
- p_dest++;
- *p_dest = p_src[0];
- p_dest++;
- p_src += 2;
+ return;
}
- }
- else
- {
- SparseCopy( p_dest, p_src, p_in_buf->i_nb_samples, i_output_nb,
- i_input_nb );
- }
-
- /* Ok, the sound is gone, we can think about our effects */
-
- /* First, get a new picture */
- while( ( p_outpic = vout_CreatePicture( p_filter->p_sys->p_vout,
- VLC_FALSE, VLC_FALSE, 3 ) ) == NULL )
- {
- if(p_aout->b_die )
- return;
- msleep( 2 );
+ msleep( VOUT_OUTMEM_SLEEP );
}
/* Blank the picture */
- for( i_index = 0 ; i_index < p_outpic->i_planes ; i_index++ )
+ for( i = 0 ; i < p_outpic->i_planes ; i++ )
{
- memset( p_outpic->p[i_index].p_pixels, i_index ? 0x80 : 0x00,
- p_outpic->p[i_index].i_lines * p_outpic->p[i_index].i_pitch );
+ memset( p_outpic->p[i].p_pixels, i > 0 ? 0x80 : 0x00,
+ p_outpic->p[i].i_lines * p_outpic->p[i].i_pitch );
}
/* We can now call our visualization effects */
- p_current_effect = p_filter->p_sys->p_first_effect;
-
- while( p_current_effect )
+ for( i = 0; i < p_sys->i_effect; i++ )
{
-
-#if 1
- /* FIXME: Find why it segfaults when we directly call
- * p_current_effect->pf_run(....)
- * (segfault in errno() ) */
- if( p_current_effect->pf_run == dummy_Run )
- {
- dummy_Run(p_current_effect, p_aout, p_out_buf , p_outpic );
- }
- else if (p_current_effect->pf_run == scope_Run )
- {
- scope_Run(p_current_effect, p_aout, p_out_buf , p_outpic );
- }
- else if (p_current_effect->pf_run == random_Run )
- {
- random_Run(p_current_effect, p_aout, p_out_buf , p_outpic );
- }
- else if (p_current_effect->pf_run == spectrum_Run )
+#define p_effect p_sys->effect[i]
+ if( p_effect->pf_run )
{
- spectrum_Run(p_current_effect, p_aout, p_out_buf , p_outpic );
+ p_effect->pf_run( p_effect, p_aout, p_out_buf, p_outpic );
}
-#if 0
- else if (p_current_effect->pf_run == blur_Run )
- {
- blur_Run(p_current_effect, p_aout, p_out_buf , p_outpic );
- }
-#endif
-#else
- p_current_effect->pf_run(p_current_effect, p_aout, p_out_buf , p_outpic );
-#endif
- p_current_effect = p_current_effect->p_next;
+#undef p_effect
}
-
- vout_DatePicture ( p_filter->p_sys->p_vout, p_outpic,p_in_buf->start_date);
-
-
- vout_DisplayPicture ( p_filter->p_sys->p_vout, p_outpic );
+ vout_DatePicture( p_sys->p_vout, p_outpic,
+ ( p_in_buf->start_date + p_in_buf->end_date ) / 2 );
+
+ vout_DisplayPicture( p_sys->p_vout, p_outpic );
}
/*****************************************************************************
static void Close( vlc_object_t *p_this )
{
aout_filter_t * p_filter = (aout_filter_t *)p_this;
+ aout_filter_sys_t *p_sys = p_filter->p_sys;
+
+ int i;
+
+ if( p_filter->p_sys->p_vout )
+ {
+ vout_Request( p_filter, p_filter->p_sys->p_vout, 0, 0, 0, 0 );
+ }
- visual_effect_t *p_old;
- visual_effect_t *p_cur = p_filter->p_sys->p_first_effect;
-
- if( p_filter->p_sys->p_vout )
+ /* Free the list */
+ for( i = 0; i < p_sys->i_effect; i++ )
{
- vlc_object_detach( p_filter->p_sys->p_vout) ;
- vout_Destroy( p_filter->p_sys->p_vout );
+#define p_effect p_sys->effect[i]
+ if( p_effect->psz_name )
+ {
+ free( p_effect->psz_name );
+ }
+ if( p_effect->psz_args )
+ {
+ free( p_effect->psz_args );
+ }
+ free( p_effect );
+#undef p_effect
}
-
- /* Free the list */
- while( p_cur )
+
+ if( p_sys->effect )
{
- p_old = p_cur;
- p_cur = p_cur->p_next;
- if( p_old ) free( p_old );
+ free( p_sys->effect );
}
-
- if( p_filter->p_sys != NULL )
- free( p_filter->p_sys);
+
+ free( p_filter->p_sys );
}