You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
446 lines
14 KiB
446 lines
14 KiB
/*****************************************************************************
|
|
* goom.c: based on libgoom (see http://ios.free.fr/?page=projet&quoi=1)
|
|
*****************************************************************************
|
|
* Copyright (C) 2003 the VideoLAN team
|
|
* $Id$
|
|
*
|
|
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
|
|
* Gildas Bazin <gbazin@videolan.org>
|
|
*
|
|
* 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.
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
/*****************************************************************************
|
|
* Preamble
|
|
*****************************************************************************/
|
|
#include <errno.h>
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <vlc/vlc.h>
|
|
#include <vlc_aout.h>
|
|
#include <vlc_vout.h>
|
|
#include <vlc_block.h>
|
|
#include <vlc_input.h>
|
|
|
|
#ifdef USE_GOOM_TREE
|
|
# ifdef OLD_GOOM
|
|
# include "goom_core.h"
|
|
# define PluginInfo void
|
|
# define goom_update(a,b,c,d,e,f) goom_update(b,c,d,e,f)
|
|
# define goom_close(a) goom_close()
|
|
# define goom_init(a,b) NULL; goom_init(a,b,0); goom_set_font(0,0,0)
|
|
# else
|
|
# include "goom.h"
|
|
# endif
|
|
#else
|
|
# include <goom/goom.h>
|
|
#endif
|
|
|
|
/*****************************************************************************
|
|
* Module descriptor
|
|
*****************************************************************************/
|
|
static int Open ( vlc_object_t * );
|
|
static void Close ( vlc_object_t * );
|
|
|
|
#define WIDTH_TEXT N_("Goom display width")
|
|
#define HEIGHT_TEXT N_("Goom display height")
|
|
#define RES_LONGTEXT N_("This allows you to set the resolution of the " \
|
|
"Goom display (bigger resolution will be prettier but more CPU intensive).")
|
|
|
|
#define SPEED_TEXT N_("Goom animation speed")
|
|
#define SPEED_LONGTEXT N_("This allows you to set the animation speed " \
|
|
"(between 1 and 10, defaults to 6).")
|
|
|
|
#define MAX_SPEED 10
|
|
|
|
vlc_module_begin();
|
|
set_shortname( _("Goom"));
|
|
set_description( _("Goom effect") );
|
|
set_category( CAT_AUDIO );
|
|
set_subcategory( SUBCAT_AUDIO_VISUAL );
|
|
set_capability( "visualization", 0 );
|
|
add_integer( "goom-width", 320, NULL,
|
|
WIDTH_TEXT, RES_LONGTEXT, VLC_FALSE );
|
|
add_integer( "goom-height", 240, NULL,
|
|
HEIGHT_TEXT, RES_LONGTEXT, VLC_FALSE );
|
|
add_integer( "goom-speed", 6, NULL,
|
|
SPEED_TEXT, SPEED_LONGTEXT, VLC_FALSE );
|
|
set_callbacks( Open, Close );
|
|
add_shortcut( "goom" );
|
|
vlc_module_end();
|
|
|
|
/*****************************************************************************
|
|
* Local prototypes
|
|
*****************************************************************************/
|
|
#define MAX_BLOCKS 100
|
|
#define GOOM_DELAY 400000
|
|
|
|
typedef struct
|
|
{
|
|
VLC_COMMON_MEMBERS
|
|
vout_thread_t *p_vout;
|
|
|
|
char *psz_title;
|
|
|
|
vlc_mutex_t lock;
|
|
vlc_cond_t wait;
|
|
|
|
/* Audio properties */
|
|
int i_channels;
|
|
|
|
/* Audio samples queue */
|
|
block_t *pp_blocks[MAX_BLOCKS];
|
|
int i_blocks;
|
|
|
|
audio_date_t date;
|
|
|
|
} goom_thread_t;
|
|
|
|
typedef struct aout_filter_sys_t
|
|
{
|
|
goom_thread_t *p_thread;
|
|
|
|
} aout_filter_sys_t;
|
|
|
|
static void DoWork ( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
|
|
aout_buffer_t * );
|
|
|
|
static void Thread ( vlc_object_t * );
|
|
|
|
static char *TitleGet( vlc_object_t * );
|
|
|
|
/*****************************************************************************
|
|
* Open: open a scope effect plugin
|
|
*****************************************************************************/
|
|
static int Open( vlc_object_t *p_this )
|
|
{
|
|
aout_filter_t *p_filter = (aout_filter_t *)p_this;
|
|
aout_filter_sys_t *p_sys;
|
|
goom_thread_t *p_thread;
|
|
vlc_value_t width, height;
|
|
video_format_t fmt;
|
|
|
|
|
|
if ( p_filter->input.i_format != VLC_FOURCC('f','l','3','2' )
|
|
|| p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
|
|
{
|
|
msg_Warn( p_filter, "bad input or output format" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
if ( !AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
|
|
{
|
|
msg_Warn( p_filter, "input and output formats are not similar" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
p_filter->pf_do_work = DoWork;
|
|
p_filter->b_in_place = 1;
|
|
|
|
/* Allocate structure */
|
|
p_sys = p_filter->p_sys = malloc( sizeof( aout_filter_sys_t ) );
|
|
|
|
/* Create goom thread */
|
|
p_sys->p_thread = p_thread =
|
|
vlc_object_create( p_filter, sizeof( goom_thread_t ) );
|
|
vlc_object_attach( p_thread, p_this );
|
|
|
|
var_Create( p_thread, "goom-width", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
|
|
var_Get( p_thread, "goom-width", &width );
|
|
var_Create( p_thread, "goom-height", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
|
|
var_Get( p_thread, "goom-height", &height );
|
|
|
|
memset( &fmt, 0, sizeof(video_format_t) );
|
|
|
|
fmt.i_width = fmt.i_visible_width = width.i_int;
|
|
fmt.i_height = fmt.i_visible_height = height.i_int;
|
|
fmt.i_chroma = VLC_FOURCC('R','V','3','2');
|
|
fmt.i_aspect = VOUT_ASPECT_FACTOR * width.i_int/height.i_int;
|
|
fmt.i_sar_num = fmt.i_sar_den = 1;
|
|
|
|
p_thread->p_vout = vout_Request( p_filter, NULL, &fmt );
|
|
if( p_thread->p_vout == NULL )
|
|
{
|
|
msg_Err( p_filter, "no suitable vout module" );
|
|
vlc_object_detach( p_thread );
|
|
vlc_object_destroy( p_thread );
|
|
free( p_sys );
|
|
return VLC_EGENERIC;
|
|
}
|
|
vlc_mutex_init( p_filter, &p_thread->lock );
|
|
vlc_cond_init( p_filter, &p_thread->wait );
|
|
|
|
p_thread->i_blocks = 0;
|
|
aout_DateInit( &p_thread->date, p_filter->output.i_rate );
|
|
aout_DateSet( &p_thread->date, 0 );
|
|
p_thread->i_channels = aout_FormatNbChannels( &p_filter->input );
|
|
|
|
p_thread->psz_title = TitleGet( VLC_OBJECT( p_filter ) );
|
|
|
|
if( vlc_thread_create( p_thread, "Goom Update Thread", Thread,
|
|
VLC_THREAD_PRIORITY_LOW, VLC_FALSE ) )
|
|
{
|
|
msg_Err( p_filter, "cannot lauch goom thread" );
|
|
vout_Destroy( p_thread->p_vout );
|
|
vlc_mutex_destroy( &p_thread->lock );
|
|
vlc_cond_destroy( &p_thread->wait );
|
|
if( p_thread->psz_title ) free( p_thread->psz_title );
|
|
vlc_object_detach( p_thread );
|
|
vlc_object_destroy( p_thread );
|
|
free( p_sys );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DoWork: process samples buffer
|
|
*****************************************************************************
|
|
* This function queues the audio buffer to be processed by the goom thread
|
|
*****************************************************************************/
|
|
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;
|
|
block_t *p_block;
|
|
|
|
p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
|
|
p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
|
|
|
|
/* Queue sample */
|
|
vlc_mutex_lock( &p_sys->p_thread->lock );
|
|
if( p_sys->p_thread->i_blocks == MAX_BLOCKS )
|
|
{
|
|
vlc_mutex_unlock( &p_sys->p_thread->lock );
|
|
return;
|
|
}
|
|
|
|
p_block = block_New( p_sys->p_thread, p_in_buf->i_nb_bytes );
|
|
if( !p_block ) return;
|
|
memcpy( p_block->p_buffer, p_in_buf->p_buffer, p_in_buf->i_nb_bytes );
|
|
p_block->i_pts = p_in_buf->start_date;
|
|
|
|
p_sys->p_thread->pp_blocks[p_sys->p_thread->i_blocks++] = p_block;
|
|
|
|
vlc_cond_signal( &p_sys->p_thread->wait );
|
|
vlc_mutex_unlock( &p_sys->p_thread->lock );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* float to s16 conversion
|
|
*****************************************************************************/
|
|
static inline int16_t FloatToInt16( float f )
|
|
{
|
|
if( f >= 1.0 )
|
|
return 32767;
|
|
else if( f < -1.0 )
|
|
return -32768;
|
|
else
|
|
return (int16_t)( f * 32768.0 );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Fill buffer
|
|
*****************************************************************************/
|
|
static int FillBuffer( int16_t *p_data, int *pi_data,
|
|
audio_date_t *pi_date, audio_date_t *pi_date_end,
|
|
goom_thread_t *p_this )
|
|
{
|
|
int i_samples = 0;
|
|
block_t *p_block;
|
|
|
|
while( *pi_data < 512 )
|
|
{
|
|
if( !p_this->i_blocks ) return VLC_EGENERIC;
|
|
|
|
p_block = p_this->pp_blocks[0];
|
|
i_samples = __MIN( 512 - *pi_data, p_block->i_buffer /
|
|
sizeof(float) / p_this->i_channels );
|
|
|
|
/* Date management */
|
|
if( p_block->i_pts > 0 &&
|
|
p_block->i_pts != aout_DateGet( pi_date_end ) )
|
|
{
|
|
aout_DateSet( pi_date_end, p_block->i_pts );
|
|
}
|
|
p_block->i_pts = 0;
|
|
|
|
aout_DateIncrement( pi_date_end, i_samples );
|
|
|
|
while( i_samples > 0 )
|
|
{
|
|
float *p_float = (float *)p_block->p_buffer;
|
|
|
|
p_data[*pi_data] = FloatToInt16( p_float[0] );
|
|
if( p_this->i_channels > 1 )
|
|
p_data[512 + *pi_data] = FloatToInt16( p_float[1] );
|
|
|
|
(*pi_data)++;
|
|
p_block->p_buffer += (sizeof(float) * p_this->i_channels);
|
|
p_block->i_buffer -= (sizeof(float) * p_this->i_channels);
|
|
i_samples--;
|
|
}
|
|
|
|
if( !p_block->i_buffer )
|
|
{
|
|
block_Release( p_block );
|
|
p_this->i_blocks--;
|
|
if( p_this->i_blocks )
|
|
memmove( p_this->pp_blocks, p_this->pp_blocks + 1,
|
|
p_this->i_blocks * sizeof(block_t *) );
|
|
}
|
|
}
|
|
|
|
*pi_date = *pi_date_end;
|
|
*pi_data = 0;
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Thread:
|
|
*****************************************************************************/
|
|
static void Thread( vlc_object_t *p_this )
|
|
{
|
|
goom_thread_t *p_thread = (goom_thread_t*)p_this;
|
|
vlc_value_t width, height, speed;
|
|
audio_date_t i_pts;
|
|
int16_t p_data[2][512];
|
|
int i_data = 0, i_count = 0;
|
|
PluginInfo *p_plugin_info;
|
|
|
|
var_Get( p_this, "goom-width", &width );
|
|
var_Get( p_this, "goom-height", &height );
|
|
|
|
var_Create( p_thread, "goom-speed", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
|
|
var_Get( p_thread, "goom-speed", &speed );
|
|
speed.i_int = MAX_SPEED - speed.i_int;
|
|
if( speed.i_int < 0 ) speed.i_int = 0;
|
|
|
|
p_plugin_info = goom_init( width.i_int, height.i_int );
|
|
|
|
while( !p_thread->b_die )
|
|
{
|
|
uint32_t *plane;
|
|
picture_t *p_pic;
|
|
|
|
/* goom_update is damn slow, so just copy data and release the lock */
|
|
vlc_mutex_lock( &p_thread->lock );
|
|
if( FillBuffer( (int16_t *)p_data, &i_data, &i_pts,
|
|
&p_thread->date, p_thread ) != VLC_SUCCESS )
|
|
vlc_cond_wait( &p_thread->wait, &p_thread->lock );
|
|
vlc_mutex_unlock( &p_thread->lock );
|
|
|
|
/* Speed selection */
|
|
if( speed.i_int && (++i_count % (speed.i_int+1)) ) continue;
|
|
|
|
/* Frame dropping if necessary */
|
|
if( aout_DateGet( &i_pts ) + GOOM_DELAY <= mdate() ) continue;
|
|
|
|
plane = goom_update( p_plugin_info, p_data, 0, 0.0,
|
|
p_thread->psz_title, NULL );
|
|
|
|
if( p_thread->psz_title )
|
|
{
|
|
free( p_thread->psz_title );
|
|
p_thread->psz_title = NULL;
|
|
}
|
|
|
|
while( !( p_pic = vout_CreatePicture( p_thread->p_vout, 0, 0, 0 ) ) &&
|
|
!p_thread->b_die )
|
|
{
|
|
msleep( VOUT_OUTMEM_SLEEP );
|
|
}
|
|
|
|
if( p_pic == NULL ) break;
|
|
|
|
memcpy( p_pic->p[0].p_pixels, plane, width.i_int * height.i_int * 4 );
|
|
vout_DatePicture( p_thread->p_vout, p_pic,
|
|
aout_DateGet( &i_pts ) + GOOM_DELAY );
|
|
vout_DisplayPicture( p_thread->p_vout, p_pic );
|
|
}
|
|
|
|
goom_close( p_plugin_info );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Close: close the plugin
|
|
*****************************************************************************/
|
|
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;
|
|
|
|
/* Stop Goom Thread */
|
|
vlc_object_kill( p_sys->p_thread );
|
|
|
|
vlc_mutex_lock( &p_sys->p_thread->lock );
|
|
vlc_cond_signal( &p_sys->p_thread->wait );
|
|
vlc_mutex_unlock( &p_sys->p_thread->lock );
|
|
|
|
vlc_thread_join( p_sys->p_thread );
|
|
|
|
/* Free data */
|
|
vout_Request( p_filter, p_sys->p_thread->p_vout, 0 );
|
|
vlc_mutex_destroy( &p_sys->p_thread->lock );
|
|
vlc_cond_destroy( &p_sys->p_thread->wait );
|
|
vlc_object_detach( p_sys->p_thread );
|
|
|
|
while( p_sys->p_thread->i_blocks-- )
|
|
{
|
|
block_Release( p_sys->p_thread->pp_blocks[p_sys->p_thread->i_blocks] );
|
|
}
|
|
|
|
vlc_object_destroy( p_sys->p_thread );
|
|
|
|
free( p_sys );
|
|
}
|
|
|
|
static char *TitleGet( vlc_object_t *p_this )
|
|
{
|
|
char *psz_title = NULL;
|
|
input_thread_t *p_input =
|
|
vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_ANYWHERE );
|
|
|
|
if( p_input )
|
|
{
|
|
psz_title = input_item_GetTitle( input_GetItem( p_input ) );
|
|
if( EMPTY_STR( psz_title ) )
|
|
{
|
|
free( psz_title );
|
|
char *psz_orig = input_item_GetURI( input_GetItem( p_input ) );
|
|
char *psz = strrchr( psz_orig, '/' );
|
|
|
|
if( psz )
|
|
{
|
|
psz++;
|
|
}
|
|
else
|
|
{
|
|
psz = psz_orig;
|
|
}
|
|
if( psz && *psz )
|
|
{
|
|
psz_title = strdup( psz );
|
|
}
|
|
free( psz_orig );
|
|
}
|
|
vlc_object_release( p_input );
|
|
}
|
|
|
|
return psz_title;
|
|
}
|
|
|