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Commit 86afb29f authored by Laurent Aimar's avatar Laurent Aimar
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Converted logo "video filter" to "video filter2". 

I also cleaned it up.
parent b955e000
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Showing with 497 additions and 584 deletions
modules/video_filter/logo.c
View file @ 86afb29f
......@@ -29,41 +29,19 @@
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout.h>
#include <assert.h>
#include "vlc_filter.h"
#include "filter_common.h"
#include "vlc_image.h"
#include "vlc_osd.h"
#include <vlc_image.h>
#include <vlc_osd.h>
#ifdef LoadImage
# undef LoadImage
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
static int Init ( vout_thread_t * );
static void End ( vout_thread_t * );
static void Render ( vout_thread_t *, picture_t * );
static int MouseEvent( vlc_object_t *, char const *,
vlc_value_t , vlc_value_t , void * );
static int Control ( vout_thread_t *, int, va_list );
static int CreateFilter ( vlc_object_t * );
static void DestroyFilter( vlc_object_t * );
static int LogoCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
......@@ -99,13 +77,18 @@ static const char *const ppsz_pos_descriptions[] =
{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
static int OpenSub ( vlc_object_t * );
static int OpenVideo( vlc_object_t * );
static void Close ( vlc_object_t * );
vlc_module_begin ()
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_SUBPIC )
set_capability( "sub filter", 0 )
set_callbacks( CreateFilter, DestroyFilter )
set_callbacks( OpenSub, Close )
set_description( N_("Logo sub filter") )
set_shortname( N_("Logo overlay") )
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_SUBPIC )
add_shortcut( "logo" )
add_file( CFG_PREFIX "file", NULL, NULL, FILE_TEXT, FILE_LONGTEXT, false )
......@@ -121,20 +104,21 @@ vlc_module_begin ()
/* video output filter submodule */
add_submodule ()
set_capability( "video filter", 0 )
set_callbacks( Create, Destroy )
set_capability( "video filter2", 0 )
set_callbacks( OpenVideo, Close )
set_description( N_("Logo video filter") )
add_shortcut( "logo" )
vlc_module_end ()
static const char *const ppsz_filter_options[] = {
"file", "x", "y", "delay", "repeat", "transparency", "position", NULL
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
/**
* Structure to hold the set of individual logo image names, times,
* transparencies
****************************************************************************/
*/
typedef struct
{
char *psz_file; /* candidate for deletion -- not needed */
......@@ -144,9 +128,9 @@ typedef struct
} logo_t;
/*****************************************************************************
* Logo list structure. Common to both the vout and sub picture filter
****************************************************************************/
/**
* Logo list structure.
*/
typedef struct
{
logo_t *p_logo; /* the parsing's result */
......@@ -162,408 +146,417 @@ typedef struct
char *psz_filename; /* --logo-file string ( is it really useful
* to store it ? ) */
vlc_mutex_t lock;
} logo_list_t;
/*****************************************************************************
* LoadImage: loads the logo image into memory
*****************************************************************************/
static picture_t *LoadImage( vlc_object_t *p_this, char *psz_filename )
/**
* Private logo data holder
*/
struct filter_sys_t
{
picture_t *p_pic;
image_handler_t *p_image;
video_format_t fmt_in;
video_format_t fmt_out;
filter_t *p_blend;
memset( &fmt_in, 0, sizeof(video_format_t) );
memset( &fmt_out, 0, sizeof(video_format_t) );
vlc_mutex_t lock;
fmt_out.i_chroma = VLC_CODEC_YUVA;
p_image = image_HandlerCreate( p_this );
p_pic = image_ReadUrl( p_image, psz_filename, &fmt_in, &fmt_out );
image_HandlerDelete( p_image );
logo_list_t list;
return p_pic;
}
int i_pos;
int i_pos_x;
int i_pos_y;
bool b_absolute;
/*****************************************************************************
* LoadLogoList: loads the logo images into memory
*****************************************************************************
* Read the logo-file input switch, obtaining a list of images and associated
* durations and transparencies. Store the image(s), and times. An image
* without a stated time or transparency will use the logo-delay and
* logo-transparency values.
*****************************************************************************/
#define LoadLogoList( a, b ) __LoadLogoList( VLC_OBJECT( a ), b )
static void __LoadLogoList( vlc_object_t *p_this, logo_list_t *p_logo_list )
{
char *psz_list; /* the list: <logo>[,[<delay>[,[<alpha>]]]][;...] */
unsigned int i;
logo_t *p_logo; /* the parsing's result */
/* On the fly control variable */
bool b_spu_update;
p_logo_list->i_counter = 0;
p_logo_list->i_next_pic = 0;
/* */
bool b_mouse_grab;
};
psz_list = strdup( p_logo_list->psz_filename );
static const char *const ppsz_filter_options[] = {
"file", "x", "y", "delay", "repeat", "transparency", "position", NULL
};
/* Count the number logos == number of ';' + 1 */
p_logo_list->i_count = 1;
for( i = 0; i < strlen( psz_list ); i++ )
{
if( psz_list[i] == ';' ) p_logo_list->i_count++;
}
static const char *const ppsz_filter_callbacks[] = {
"logo-file",
"logo-x",
"logo-y",
"logo-position",
"logo-transparency",
"logo-repeat",
NULL
};
p_logo_list->p_logo = p_logo =
(logo_t *)malloc( p_logo_list->i_count * sizeof(logo_t) );
static int OpenCommon( vlc_object_t *, bool b_sub );
/* Fill the data */
for( i = 0; i < p_logo_list->i_count; i++ )
{
char *p_c;
char *p_c2;
p_c = strchr( psz_list, ';' );
p_c2 = strchr( psz_list, ',' );
static subpicture_t *FilterSub( filter_t *, mtime_t );
static picture_t *FilterVideo( filter_t *, picture_t * );
p_logo[i].i_alpha = -1; /* use default settings */
p_logo[i].i_delay = -1; /* use default settings */
static int Mouse( filter_t *, vlc_mouse_t *, const vlc_mouse_t *, const vlc_mouse_t * );
if( p_c2 && ( p_c2 < p_c || !p_c ) )
{
/* <logo>,<delay>[,<alpha>] type */
if( p_c2[1] != ',' && p_c2[1] != ';' && p_c2[1] != '\0' )
p_logo[i].i_delay = atoi( p_c2+1 );
*p_c2 = '\0';
if( ( p_c2 = strchr( p_c2+1, ',' ) )
&& ( p_c2 < p_c || !p_c ) && p_c2[1] != ';' && p_c2[1] != '\0' )
p_logo[i].i_alpha = atoi( p_c2 + 1 );
}
else
{
/* <logo> type */
if( p_c ) *p_c = '\0';
}
static int LogoCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
p_logo[i].psz_file = strdup( psz_list );
p_logo[i].p_pic = LoadImage( p_this, p_logo[i].psz_file );
static void LogoListLoad( vlc_object_t *, logo_list_t * );
static void LogoListUnload( logo_list_t * );
static logo_t *LogoListNext( logo_list_t *p_list, mtime_t i_date );
static logo_t *LogoListCurrent( logo_list_t *p_list );
if( !p_logo[i].p_pic )
{
msg_Warn( p_this, "error while loading logo %s, will be skipped",
p_logo[i].psz_file );
}
/**
* Open the sub filter
*/
static int OpenSub( vlc_object_t *p_this )
{
return OpenCommon( p_this, true );
}
if( p_c ) psz_list = p_c + 1;
}
/**
* Open the video filter
*/
static int OpenVideo( vlc_object_t *p_this )
{
return OpenCommon( p_this, false );
}
for( i = 0; i < p_logo_list->i_count; i++ )
/**
* Common open function
*/
static int OpenCommon( vlc_object_t *p_this, bool b_sub )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
/* */
if( !b_sub && !es_format_IsSimilar( &p_filter->fmt_in, &p_filter->fmt_out ) )
{
msg_Dbg( p_this, "logo file name %s, delay %d, alpha %d",
p_logo[i].psz_file, p_logo[i].i_delay, p_logo[i].i_alpha );
msg_Err( p_filter, "Input and output format does not match" );
return VLC_EGENERIC;
}
/* initialize so that on the first update it will wrap back to 0 */
p_logo_list->i_counter = p_logo_list->i_count;
}
/*****************************************************************************
* FreeLogoList
*****************************************************************************/
static void FreeLogoList( logo_list_t *p_logo_list )
{
unsigned int i;
FREENULL( p_logo_list->psz_filename );
for( i = 0; i < p_logo_list->i_count; i++ )
/* */
p_filter->p_sys = p_sys = malloc( sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
/* */
p_sys->p_blend = NULL;
if( !b_sub )
{
logo_t *p_logo = &p_logo_list->p_logo[i];
FREENULL( p_logo->psz_file );
if( p_logo->p_pic )
p_sys->p_blend = filter_NewBlend( VLC_OBJECT(p_filter),
p_filter->fmt_in.i_codec );
if( !p_sys->p_blend )
{
picture_Release( p_logo->p_pic );
p_logo->p_pic = NULL;
free( p_sys );
return VLC_EGENERIC;
}
}
}
/*****************************************************************************
* vout_sys_t: logo video output method descriptor
*****************************************************************************
* This structure is part of the video output thread descriptor.
* It describes the Invert specific properties of an output thread.
*****************************************************************************/
struct vout_sys_t
{
logo_list_t *p_logo_list;
vout_thread_t *p_vout;
filter_t *p_blend;
int i_width, i_height;
int pos, posx, posy;
};
/* */
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
/*****************************************************************************
* Create: allocates logo video thread output method
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
vout_sys_t *p_sys;
logo_list_t *p_logo_list;
/* */
logo_list_t *p_list = &p_sys->list;
/* Allocate structure */
p_sys = p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
if( p_sys == NULL )
return VLC_ENOMEM;
p_logo_list = p_sys->p_logo_list = malloc( sizeof( logo_list_t ) );
if( p_logo_list == NULL )
p_list->psz_filename =
var_CreateGetStringCommand( p_filter, "logo-file" );
if( !p_list->psz_filename || *p_list->psz_filename == '\0' )
{
msg_Err( p_this, "logo file not specified" );
if( p_sys->p_blend )
filter_DeleteBlend( p_sys->p_blend );
free( p_list->psz_filename );
free( p_sys );
return VLC_ENOMEM;
return VLC_EGENERIC;
}
p_list->i_alpha = var_CreateGetIntegerCommand( p_filter,
"logo-transparency");
p_list->i_alpha = __MAX( __MIN( p_list->i_alpha, 255 ), 0 );
p_list->i_delay =
var_CreateGetIntegerCommand( p_filter, "logo-delay" );
p_list->i_repeat =
var_CreateGetIntegerCommand( p_filter, "logo-repeat" );
p_sys->i_pos = var_CreateGetIntegerCommand( p_filter, "logo-position" );
p_sys->i_pos_x = var_CreateGetIntegerCommand( p_filter, "logo-x" );
p_sys->i_pos_y = var_CreateGetIntegerCommand( p_filter, "logo-y" );
/* Ignore aligment if a position is given for video filter */
if( !b_sub && p_sys->i_pos_x >= 0 && p_sys->i_pos_y >= 0 )
p_sys->i_pos = 0;
vlc_mutex_init( &p_sys->lock );
LogoListLoad( p_this, p_list );
p_sys->b_spu_update = true;
p_sys->b_mouse_grab = false;
config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
p_vout->p_cfg );
for( int i = 0; ppsz_filter_callbacks[i]; i++ )
var_AddCallback( p_filter, ppsz_filter_callbacks[i],
LogoCallback, p_sys );
p_logo_list->psz_filename = var_CreateGetStringCommand( p_vout,
"logo-file" );
if( !p_logo_list->psz_filename || !*p_logo_list->psz_filename )
/* Misc init */
if( b_sub )
{
msg_Err( p_vout, "logo file not specified" );
free( p_logo_list->psz_filename );
free( p_sys );
return VLC_EGENERIC;
p_filter->pf_sub_filter = FilterSub;
}
else
{
p_filter->pf_video_filter = FilterVideo;
p_filter->pf_mouse = Mouse;
}
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = NULL;
p_vout->pf_render = Render;
p_vout->pf_display = NULL;
p_vout->pf_control = Control;
p_sys->pos = var_CreateGetIntegerCommand( p_vout, "logo-position" );
p_sys->posx = var_CreateGetIntegerCommand( p_vout, "logo-x" );
p_sys->posy = var_CreateGetIntegerCommand( p_vout, "logo-y" );
p_logo_list->i_delay = var_CreateGetIntegerCommand( p_vout, "logo-delay" );
p_logo_list->i_delay = __MAX( __MIN( p_logo_list->i_delay, 60000 ), 0 );
p_logo_list->i_repeat = var_CreateGetIntegerCommand( p_vout, "logo-repeat");
p_logo_list->i_alpha = var_CreateGetIntegerCommand( p_vout,
"logo-transparency" );
p_logo_list->i_alpha = __MAX( __MIN( p_logo_list->i_alpha, 255 ), 0 );
LoadLogoList( p_vout, p_logo_list );
return VLC_SUCCESS;
}
/*****************************************************************************
* Init: initialize logo video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
/**
* Common close function
*/
static void Close( vlc_object_t *p_this )
{
vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_pic;
video_format_t fmt;
logo_list_t *p_logo_list = p_sys->p_logo_list;
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
I_OUTPUTPICTURES = 0;
memset( &fmt, 0, sizeof(video_format_t) );
for( int i = 0; ppsz_filter_callbacks[i]; i++ )
var_DelCallback( p_filter, ppsz_filter_callbacks[i],
LogoCallback, p_sys );
/* adjust index to the next logo */
p_logo_list->i_counter =
( p_logo_list->i_counter + 1 )%p_logo_list->i_count;
p_pic = p_logo_list->p_logo[p_logo_list->i_counter].p_pic;
p_sys->i_width = p_pic ? p_pic->p[Y_PLANE].i_visible_pitch : 0;
p_sys->i_height = p_pic ? p_pic->p[Y_PLANE].i_visible_lines : 0;
/* Initialize the output structure */
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_vout->fmt_out = p_vout->fmt_in;
fmt = p_vout->fmt_out;
/* Load the video blending filter */
p_sys->p_blend = filter_NewBlend( VLC_OBJECT(p_vout), p_vout->output.i_chroma );
if( !p_sys->p_blend )
return VLC_EGENERIC;
if( p_sys->p_blend )
filter_DeleteBlend( p_sys->p_blend );
video_format_t fmt_blend;
video_format_Setup( &fmt_blend, VLC_CODEC_YUVA,
p_sys->i_width, p_sys->i_height, 0 );
vlc_mutex_destroy( &p_sys->lock );
LogoListUnload( &p_sys->list );
free( p_sys );
}
if( filter_ConfigureBlend( p_sys->p_blend,
p_vout->output.i_width, p_vout->output.i_height,
&fmt_blend ) )
{
msg_Err( p_vout, "can't configure blending filter, aborting" );
filter_DeleteBlend( p_sys->p_blend );
return VLC_EGENERIC;
}
/**
* Sub filter
*/
static subpicture_t *FilterSub( filter_t *p_filter, mtime_t date )
{
filter_sys_t *p_sys = p_filter->p_sys;
logo_list_t *p_list = &p_sys->list;
if( p_sys->posx < 0 || p_sys->posy < 0 )
{
p_sys->posx = 0; p_sys->posy = 0;
subpicture_t *p_spu;
subpicture_region_t *p_region;
video_format_t fmt;
picture_t *p_pic;
logo_t *p_logo;
if( p_sys->pos & SUBPICTURE_ALIGN_BOTTOM )
{
p_sys->posy = p_vout->render.i_height - p_sys->i_height;
}
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_TOP) )
{
p_sys->posy = p_vout->render.i_height / 2 - p_sys->i_height / 2;
}
vlc_mutex_lock( &p_sys->lock );
/* Basic test: b_spu_update occurs on a dynamic change,
& i_next_pic is the general timer, when to
look at updating the logo image */
if( p_sys->pos & SUBPICTURE_ALIGN_RIGHT )
{
p_sys->posx = p_vout->render.i_width - p_sys->i_width;
}
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_LEFT) )
{
p_sys->posx = p_vout->render.i_width / 2 - p_sys->i_width / 2;
}
}
else
if( ( !p_sys->b_spu_update && p_list->i_next_pic > date ) ||
!p_list->i_repeat )
{
p_sys->pos = 0;
vlc_mutex_unlock( &p_sys->lock );
return NULL;
}
/* Try to open the real video output */
msg_Dbg( p_vout, "spawning the real video output" );
/* adjust index to the next logo */
p_logo = LogoListNext( p_list, date );
p_sys->b_spu_update = false;
p_pic = p_logo->p_pic;
p_sys->p_vout = vout_Create( p_vout, &fmt );
/* Allocate the subpicture internal data. */
p_spu = filter_NewSubpicture( p_filter );
if( !p_spu )
goto exit;
/* Everything failed */
if( p_sys->p_vout == NULL )
p_spu->b_absolute = p_sys->b_absolute;
p_spu->i_start = date;
p_spu->i_stop = 0;
p_spu->b_ephemer = true;
/* Send an empty subpicture to clear the display when needed */
if( p_list->i_repeat != -1 && p_list->i_counter == 0 )
{
msg_Err( p_vout, "can't open vout, aborting" );
return VLC_EGENERIC;
p_list->i_repeat--;
if( p_list->i_repeat == 0 )
goto exit;
}
if( !p_pic || !p_logo->i_alpha ||
( p_logo->i_alpha == -1 && !p_list->i_alpha ) )
goto exit;
/* Create new SPU region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_CODEC_YUVA;
fmt.i_aspect = VOUT_ASPECT_FACTOR;
fmt.i_sar_num = fmt.i_sar_den = 1;
fmt.i_width = fmt.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
fmt.i_height = fmt.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
fmt.i_x_offset = fmt.i_y_offset = 0;
p_region = subpicture_region_New( &fmt );
if( !p_region )
{
msg_Err( p_filter, "cannot allocate SPU region" );
p_filter->pf_sub_buffer_del( p_filter, p_spu );
p_spu = NULL;
goto exit;
}
vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
/* */
picture_Copy( p_region->p_picture, p_pic );
vout_filter_AddChild( p_vout, p_sys->p_vout, MouseEvent );
/* where to locate the logo: */
if( p_sys->i_pos < 0 )
{ /* set to an absolute xy */
p_region->i_align = OSD_ALIGN_RIGHT | OSD_ALIGN_TOP;
p_spu->b_absolute = true;
}
else
{ /* set to one of the 9 relative locations */
p_region->i_align = p_sys->i_pos;
p_spu->b_absolute = false;
}
return VLC_SUCCESS;
}
p_region->i_x = p_sys->i_pos_x;
p_region->i_y = p_sys->i_pos_y;
/*****************************************************************************
* End: terminate logo video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
vout_sys_t *p_sys = p_vout->p_sys;
p_spu->p_region = p_region;
vout_filter_DelChild( p_vout, p_sys->p_vout, MouseEvent );
vout_CloseAndRelease( p_sys->p_vout );
p_spu->i_alpha = ( p_logo->i_alpha != -1 ?
p_logo->i_alpha : p_list->i_alpha );
vout_filter_ReleaseDirectBuffers( p_vout );
exit:
vlc_mutex_unlock( &p_sys->lock );
filter_DeleteBlend( p_sys->p_blend );
return p_spu;
}
/*****************************************************************************
* Destroy: destroy logo video thread output method
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
/**
* Video filter
*/
static picture_t *FilterVideo( filter_t *p_filter, picture_t *p_src )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
vout_sys_t *p_sys = p_vout->p_sys;
filter_sys_t *p_sys = p_filter->p_sys;
logo_list_t *p_list = &p_sys->list;
picture_t *p_dst = filter_NewPicture( p_filter );
if( !p_dst )
goto exit;
FreeLogoList( p_sys->p_logo_list );
free( p_sys->p_logo_list );
picture_Copy( p_dst, p_src );
free( p_sys );
}
/* */
vlc_mutex_lock( &p_sys->lock );
/*****************************************************************************
* Render: render the logo onto the video
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_inpic )
{
vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_outpic;
picture_t *p_pic;
logo_list_t *p_logo_list;
logo_t * p_logo;
p_logo_list = p_sys->p_logo_list;
logo_t *p_logo;
if( p_list->i_next_pic < p_src->date )
p_logo = LogoListNext( p_list, p_src->date );
else
p_logo = LogoListCurrent( p_list );
if( p_logo_list->i_next_pic < p_inpic->date )
/* */
const picture_t *p_pic = p_logo->p_pic;
if( p_pic )
{
/* It's time to use a new logo */
p_logo_list->i_counter =
( p_logo_list->i_counter + 1 )%p_logo_list->i_count;
p_logo = &p_logo_list->p_logo[p_sys->p_logo_list->i_counter];
p_pic = p_logo->p_pic;
p_logo_list->i_next_pic = p_inpic->date + ( p_logo->i_delay != -1 ?
p_logo->i_delay : p_logo_list->i_delay ) * 1000;
if( p_pic )
{
const video_format_t *p_fmt = &p_pic->format;
const int i_dst_w = p_filter->fmt_out.video.i_visible_width;
const int i_dst_h = p_filter->fmt_out.video.i_visible_height;
p_sys->i_width =
p_sys->p_blend->fmt_in.video.i_width =
p_sys->p_blend->fmt_in.video.i_visible_width =
p_pic->p[Y_PLANE].i_visible_pitch;
p_sys->i_height =
p_sys->p_blend->fmt_in.video.i_height =
p_sys->p_blend->fmt_in.video.i_visible_height =
p_pic->p[Y_PLANE].i_visible_lines;
if( p_sys->i_pos )
{
if( p_sys->i_pos & SUBPICTURE_ALIGN_BOTTOM )
{
p_sys->i_pos_y = i_dst_h - p_fmt->i_visible_height;
}
else if ( !(p_sys->i_pos & SUBPICTURE_ALIGN_TOP) )
{
p_sys->i_pos_y = ( i_dst_h - p_fmt->i_visible_height ) / 2;
}
else
{
p_sys->i_pos_y = 0;
}
if( p_sys->pos )
if( p_sys->i_pos & SUBPICTURE_ALIGN_RIGHT )
{
p_sys->i_pos_x = i_dst_w - p_fmt->i_visible_width;
}
else if ( !(p_sys->i_pos & SUBPICTURE_ALIGN_LEFT) )
{
if( p_sys->pos & SUBPICTURE_ALIGN_BOTTOM )
{
p_sys->posy = p_vout->render.i_height - p_sys->i_height;
}
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_TOP) )
{
p_sys->posy = p_vout->render.i_height/2 - p_sys->i_height/2;
}
if( p_sys->pos & SUBPICTURE_ALIGN_RIGHT )
{
p_sys->posx = p_vout->render.i_width - p_sys->i_width;
}
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_LEFT) )
{
p_sys->posx = p_vout->render.i_width/2 - p_sys->i_width/2;
}
p_sys->i_pos_x = ( i_dst_w - p_fmt->i_visible_width ) / 2;
}
else
{
p_sys->i_pos_x = 0;
}
}
/* */
const int i_alpha = p_logo->i_alpha != -1 ? p_logo->i_alpha : p_list->i_alpha;
if( filter_ConfigureBlend( p_sys->p_blend, i_dst_w, i_dst_h, p_fmt ) ||
filter_Blend( p_sys->p_blend, p_dst, p_sys->i_pos_x, p_sys->i_pos_y,
p_pic, i_alpha ) )
{
msg_Err( p_filter, "failed to blend a picture" );
}
}
else
{
p_logo = &p_logo_list->p_logo[p_sys->p_logo_list->i_counter];
p_pic = p_logo->p_pic;
}
vlc_mutex_unlock( &p_sys->lock );
/* This is a new frame. Get a structure from the video_output. */
while( !(p_outpic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 )) )
{
if( !vlc_object_alive (p_vout) || p_vout->b_error ) return;
msleep( VOUT_OUTMEM_SLEEP );
}
exit:
picture_Release( p_src );
return p_dst;
}
picture_Copy( p_outpic, p_inpic );
static int Mouse( filter_t *p_filter, vlc_mouse_t *p_mouse,
const vlc_mouse_t *p_old, const vlc_mouse_t *p_new )
{
filter_sys_t *p_sys = p_filter->p_sys;
vlc_mutex_lock( &p_sys->lock );
logo_t *p_logo = LogoListCurrent( &p_sys->list );
const picture_t *p_pic = p_logo->p_pic;
if( p_pic )
{
const int i_alpha = p_logo->i_alpha != -1 ? p_logo->i_alpha : p_logo_list->i_alpha;
const video_format_t *p_fmt = &p_pic->format;
const int i_logo_w = p_fmt->i_visible_width;
const int i_logo_h = p_fmt->i_visible_height;
/* Check if we are over the logo */
const bool b_over = p_new->i_x >= p_sys->i_pos_x &&
p_new->i_x < p_sys->i_pos_x + i_logo_w &&
p_new->i_y >= p_sys->i_pos_y &&
p_new->i_y < p_sys->i_pos_y + i_logo_h;
if( b_over && vlc_mouse_HasPressed( p_old, p_new, MOUSE_BUTTON_LEFT ) )
p_sys->b_mouse_grab = true;
else if( vlc_mouse_HasReleased( p_old, p_new, MOUSE_BUTTON_LEFT ) )
p_sys->b_mouse_grab = false;
filter_Blend( p_sys->p_blend,
p_outpic, p_sys->posx, p_sys->posy,
p_pic, i_alpha );
msg_Err( p_filter, "Mouse: %d G: %d", b_over, p_sys->b_mouse_grab );
if( p_sys->b_mouse_grab )
{
int i_dx, i_dy;
vlc_mouse_GetMotion( &i_dx, &i_dy, p_old, p_new );
msg_Err( p_filter, "Mouse: d=%d:%d", i_dx, i_dy );
p_sys->i_pos_x = __MIN( __MAX( p_sys->i_pos_x + i_dx, 0 ),
p_filter->fmt_in.video.i_width - i_logo_w );
p_sys->i_pos_y = __MIN( __MAX( p_sys->i_pos_y + i_dy, 0 ),
p_filter->fmt_in.video.i_height - i_logo_h );
}
if( p_sys->b_mouse_grab || b_over )
{
vlc_mutex_unlock( &p_sys->lock );
return VLC_EGENERIC;
}
}
vlc_mutex_unlock( &p_sys->lock );
vout_DisplayPicture( p_sys->p_vout, p_outpic );
*p_mouse = *p_new;
return VLC_SUCCESS;
}
#if 0
/*****************************************************************************
* MouseEvent: callback for mouse events
*****************************************************************************/
......@@ -602,288 +595,204 @@ static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
}
/* FIXME missing lock */
if( i_x < (int)p_sys->posx ||
i_y < (int)p_sys->posy ||
i_x > (int)(p_sys->posx + p_sys->i_width) ||
i_y > (int)(p_sys->posy + p_sys->i_height) )
if( i_x < (int)p_sys->i_pos_x ||
i_y < (int)p_sys->i_pos_y ||
i_x > (int)(p_sys->i_pos_x + p_sys->i_width) ||
i_y > (int)(p_sys->i_pos_y + p_sys->i_height) )
goto forward;
p_sys->posx = __MIN( __MAX( p_sys->posx + i_dx, 0 ),
p_sys->i_pos_x = __MIN( __MAX( p_sys->i_pos_x + i_dx, 0 ),
p_vout->output.i_width - p_sys->i_width );
p_sys->posy = __MIN( __MAX( p_sys->posy + i_dy, 0 ),
p_sys->i_pos_y = __MIN( __MAX( p_sys->i_pos_y + i_dy, 0 ),
p_vout->output.i_height - p_sys->i_height );
return VLC_SUCCESS;
forward:
return var_Set( p_vout, psz_var, newval );
}
#endif
/*****************************************************************************
* Control: control facility for the vout (forwards to child vout)
*****************************************************************************/
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
{
return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
}
/*****************************************************************************
* filter_sys_t: logo filter descriptor
*****************************************************************************/
struct filter_sys_t
{
logo_list_t *p_logo_list;
int pos, posx, posy;
bool b_absolute;
/* On the fly control variable */
bool b_need_update;
};
static subpicture_t *Filter( filter_t *, mtime_t );
/*****************************************************************************
* CreateFilter: allocates logo video filter
* Callback to update params on the fly
*****************************************************************************/
static int CreateFilter( vlc_object_t *p_this )
static int LogoCallback( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
logo_list_t *p_logo_list;
VLC_UNUSED(oldval);
filter_sys_t *p_sys = (filter_sys_t *)p_data;
logo_list_t *p_list = &p_sys->list;
/* Allocate structure */
p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_sys == NULL )
return VLC_ENOMEM;
p_logo_list = p_sys->p_logo_list = malloc( sizeof( logo_list_t ) );
if( p_logo_list == NULL )
vlc_mutex_lock( &p_sys->lock );
if( !strcmp( psz_var, "logo-file" ) )
{
free( p_sys );
return VLC_ENOMEM;
LogoListUnload( p_list );
p_list->psz_filename = strdup( newval.psz_string );
LogoListLoad( p_this, p_list );
}
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
/* Hook used for callback variables */
p_logo_list->psz_filename =
var_CreateGetStringCommand( p_filter, "logo-file" );
if( !p_logo_list->psz_filename || !*p_logo_list->psz_filename )
else if ( !strcmp( psz_var, "logo-x" ) )
{
msg_Err( p_this, "logo file not specified" );
free( p_sys );
free( p_logo_list );
return VLC_EGENERIC;
p_sys->i_pos_x = newval.i_int;
}
p_sys->posx = var_CreateGetIntegerCommand( p_filter, "logo-x" );
p_sys->posy = var_CreateGetIntegerCommand( p_filter, "logo-y" );
p_sys->pos = var_CreateGetIntegerCommand( p_filter, "logo-position" );
p_logo_list->i_alpha = var_CreateGetIntegerCommand( p_filter,
"logo-transparency");
p_logo_list->i_alpha = __MAX( __MIN( p_logo_list->i_alpha, 255 ), 0 );
p_logo_list->i_delay =
var_CreateGetIntegerCommand( p_filter, "logo-delay" );
p_logo_list->i_repeat =
var_CreateGetIntegerCommand( p_filter, "logo-repeat" );
vlc_mutex_init( &p_logo_list->lock );
LoadLogoList( p_this, p_logo_list );
var_AddCallback( p_filter, "logo-file", LogoCallback, p_sys );
var_AddCallback( p_filter, "logo-x", LogoCallback, p_sys );
var_AddCallback( p_filter, "logo-y", LogoCallback, p_sys );
var_AddCallback( p_filter, "logo-position", LogoCallback, p_sys );
var_AddCallback( p_filter, "logo-transparency", LogoCallback, p_sys );
var_AddCallback( p_filter, "logo-repeat", LogoCallback, p_sys );
/* Misc init */
p_filter->pf_sub_filter = Filter;
p_sys->b_need_update = true;
else if ( !strcmp( psz_var, "logo-y" ) )
{
p_sys->i_pos_y = newval.i_int;
}
else if ( !strcmp( psz_var, "logo-position" ) )
{
p_sys->i_pos = newval.i_int;
}
else if ( !strcmp( psz_var, "logo-transparency" ) )
{
p_list->i_alpha = __MAX( __MIN( newval.i_int, 255 ), 0 );
}
else if ( !strcmp( psz_var, "logo-repeat" ) )
{
p_list->i_repeat = newval.i_int;
}
p_sys->b_spu_update = true;
vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
/*****************************************************************************
* DestroyFilter: destroy logo video filter
*****************************************************************************/
static void DestroyFilter( vlc_object_t *p_this )
/**
* It loads the logo image into memory.
*/
static picture_t *LoadImage( vlc_object_t *p_this, char *psz_filename )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
video_format_t fmt_in;
video_format_Init( &fmt_in, 0 );
/* Delete the logo variables from INPUT */
var_Destroy( p_filter->p_libvlc, "logo-file" );
var_Destroy( p_filter->p_libvlc, "logo-x" );
var_Destroy( p_filter->p_libvlc, "logo-y" );
var_Destroy( p_filter->p_libvlc, "logo-delay" );
var_Destroy( p_filter->p_libvlc, "logo-repeat" );
var_Destroy( p_filter->p_libvlc, "logo-position" );
var_Destroy( p_filter->p_libvlc, "logo-transparency" );
vlc_mutex_destroy( &p_sys->p_logo_list->lock );
FreeLogoList( p_sys->p_logo_list );
free( p_sys->p_logo_list );
free( p_sys );
video_format_t fmt_out;
video_format_Init( &fmt_out, VLC_CODEC_YUVA );
image_handler_t *p_image = image_HandlerCreate( p_this );
if( !p_image )
return NULL;
picture_t *p_pic = image_ReadUrl( p_image, psz_filename, &fmt_in, &fmt_out );
image_HandlerDelete( p_image );
return p_pic;
}
/*****************************************************************************
* Filter: the whole thing
*****************************************************************************
* This function outputs subpictures at regular time intervals.
*****************************************************************************/
static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
/**
* It loads the logo images into memory.
*
* Read the logo-file input switch, obtaining a list of images and associated
* durations and transparencies. Store the image(s), and times. An image
* without a stated time or transparency will use the logo-delay and
* logo-transparency values.
*/
static void LogoListLoad( vlc_object_t *p_this, logo_list_t *p_logo_list )
{
filter_sys_t *p_sys = p_filter->p_sys;
logo_list_t *p_logo_list = p_sys->p_logo_list;
subpicture_t *p_spu;
subpicture_region_t *p_region;
video_format_t fmt;
picture_t *p_pic;
logo_t *p_logo;
char *psz_list; /* the list: <logo>[,[<delay>[,[<alpha>]]]][;...] */
unsigned int i;
logo_t *p_logo; /* the parsing's result */
vlc_mutex_lock( &p_logo_list->lock );
/* Basic test: b_need_update occurs on a dynamic change,
& i_next_pic is the general timer, when to
look at updating the logo image */
p_logo_list->i_counter = 0;
p_logo_list->i_next_pic = 0;
if( ( ( !p_sys->b_need_update ) && ( p_logo_list->i_next_pic > date ) )
|| !p_logo_list->i_repeat )
psz_list = strdup( p_logo_list->psz_filename );
/* Count the number logos == number of ';' + 1 */
p_logo_list->i_count = 1;
for( i = 0; i < strlen( psz_list ); i++ )
{
vlc_mutex_unlock( &p_logo_list->lock );
return 0;
if( psz_list[i] == ';' )
p_logo_list->i_count++;
}
/* adjust index to the next logo */
p_logo_list->i_counter =
( p_logo_list->i_counter + 1 )%p_logo_list->i_count;
p_logo = &p_logo_list->p_logo[p_logo_list->i_counter];
p_pic = p_logo->p_pic;
p_logo_list->p_logo =
p_logo = calloc( p_logo_list->i_count, sizeof(*p_logo) );
/* Allocate the subpicture internal data. */
p_spu = filter_NewSubpicture( p_filter );
if( !p_spu )
/* Fill the data */
for( i = 0; i < p_logo_list->i_count; i++ )
{
vlc_mutex_unlock( &p_logo_list->lock );
return NULL;
}
char *p_c = strchr( psz_list, ';' );
char *p_c2 = strchr( psz_list, ',' );
p_spu->b_absolute = p_sys->b_absolute;
p_spu->i_start = date;
p_spu->i_stop = 0;
p_spu->b_ephemer = true;
p_logo[i].i_alpha = -1; /* use default settings */
p_logo[i].i_delay = -1; /* use default settings */
if( p_c2 && ( p_c2 < p_c || !p_c ) )
{
/* <logo>,<delay>[,<alpha>] type */
if( p_c2[1] != ',' && p_c2[1] != ';' && p_c2[1] != '\0' )
p_logo[i].i_delay = atoi( p_c2+1 );
*p_c2 = '\0';
if( ( p_c2 = strchr( p_c2+1, ',' ) )
&& ( p_c2 < p_c || !p_c ) && p_c2[1] != ';' && p_c2[1] != '\0' )
p_logo[i].i_alpha = atoi( p_c2 + 1 );
}
else
{
/* <logo> type */
if( p_c )
*p_c = '\0';
}
p_sys->b_need_update = false;
p_logo_list->i_next_pic = date +
( p_logo->i_delay != -1 ? p_logo->i_delay : p_logo_list->i_delay ) * 1000;
p_logo[i].psz_file = strdup( psz_list );
p_logo[i].p_pic = LoadImage( p_this, p_logo[i].psz_file );
if( p_logo_list->i_repeat != -1
&& p_logo_list->i_counter == 0 )
{
p_logo_list->i_repeat--;
if( p_logo_list->i_repeat == 0 )
if( !p_logo[i].p_pic )
{
vlc_mutex_unlock( &p_logo_list->lock );
return p_spu;
msg_Warn( p_this, "error while loading logo %s, will be skipped",
p_logo[i].psz_file );
}
}
if( !p_pic || !p_logo->i_alpha
|| ( p_logo->i_alpha == -1 && !p_logo_list->i_alpha ) )
{
/* Send an empty subpicture to clear the display */
vlc_mutex_unlock( &p_logo_list->lock );
return p_spu;
if( p_c )
psz_list = &p_c[1];
}
/* Create new SPU region */
memset( &fmt, 0, sizeof(video_format_t) );
fmt.i_chroma = VLC_CODEC_YUVA;
fmt.i_aspect = VOUT_ASPECT_FACTOR;
fmt.i_sar_num = fmt.i_sar_den = 1;
fmt.i_width = fmt.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
fmt.i_height = fmt.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
fmt.i_x_offset = fmt.i_y_offset = 0;
p_region = subpicture_region_New( &fmt );
if( !p_region )
for( i = 0; i < p_logo_list->i_count; i++ )
{
msg_Err( p_filter, "cannot allocate SPU region" );
p_filter->pf_sub_buffer_del( p_filter, p_spu );
vlc_mutex_unlock( &p_logo_list->lock );
return NULL;
}
/* FIXME the copy is probably not needed anymore */
picture_Copy( p_region->p_picture, p_pic );
vlc_mutex_unlock( &p_logo_list->lock );
/* where to locate the logo: */
if( p_sys->pos < 0 )
{ /* set to an absolute xy */
p_region->i_align = OSD_ALIGN_RIGHT | OSD_ALIGN_TOP;
p_spu->b_absolute = true;
}
else
{ /* set to one of the 9 relative locations */
p_region->i_align = p_sys->pos;
p_spu->b_absolute = false;
msg_Dbg( p_this, "logo file name %s, delay %d, alpha %d",
p_logo[i].psz_file, p_logo[i].i_delay, p_logo[i].i_alpha );
}
p_region->i_x = p_sys->posx;
p_region->i_y = p_sys->posy;
/* initialize so that on the first update it will wrap back to 0 */
p_logo_list->i_counter = p_logo_list->i_count - 1;
}
p_spu->p_region = p_region;
/**
* Unload a list of logo and release associated ressources.
*/
static void LogoListUnload( logo_list_t *p_list )
{
free( p_list->psz_filename );
p_spu->i_alpha = ( p_logo->i_alpha != -1 ?
p_logo->i_alpha : p_logo_list->i_alpha );
for( unsigned i = 0; i < p_list->i_count; i++ )
{
logo_t *p_logo = &p_list->p_logo[i];
return p_spu;
free( p_logo->psz_file );
if( p_logo->p_pic )
{
picture_Release( p_logo->p_pic );
p_logo->p_pic = NULL;
}
}
}
/*****************************************************************************
* Callback to update params on the fly
*****************************************************************************/
static int LogoCallback( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
/**
* Go to the next logo and return its pointer.
*/
static logo_t *LogoListNext( logo_list_t *p_list, mtime_t i_date )
{
VLC_UNUSED(oldval);
filter_sys_t *p_sys = (filter_sys_t *)p_data;
logo_list_t *p_logo_list = p_sys->p_logo_list;
p_list->i_counter = ( p_list->i_counter + 1 ) % p_list->i_count;
if( !strcmp( psz_var, "logo-file" ) )
{
vlc_mutex_lock( &p_logo_list->lock );
FreeLogoList( p_logo_list );
p_logo_list->psz_filename = strdup( newval.psz_string );
LoadLogoList( p_this, p_logo_list );
vlc_mutex_unlock( &p_logo_list->lock );
}
else if ( !strcmp( psz_var, "logo-x" ) )
{
p_sys->posx = newval.i_int;
}
else if ( !strcmp( psz_var, "logo-y" ) )
{
p_sys->posy = newval.i_int;
}
else if ( !strcmp( psz_var, "logo-position" ) )
{
p_sys->pos = newval.i_int;
}
else if ( !strcmp( psz_var, "logo-transparency" ) )
{
vlc_mutex_lock( &p_logo_list->lock );
p_logo_list->i_alpha = __MAX( __MIN( newval.i_int, 255 ), 0 );
vlc_mutex_unlock( &p_logo_list->lock );
}
else if ( !strcmp( psz_var, "logo-repeat" ) )
{
vlc_mutex_lock( &p_logo_list->lock );
p_logo_list->i_repeat = newval.i_int;
vlc_mutex_unlock( &p_logo_list->lock );
}
p_sys->b_need_update = true;
return VLC_SUCCESS;
logo_t *p_logo = LogoListCurrent( p_list );
p_list->i_next_pic = i_date + ( p_logo->i_delay != -1 ?
p_logo->i_delay : p_list->i_delay ) * 1000;
return p_logo;
}
/**
* Return the current logo pointer
*/
static logo_t *LogoListCurrent( logo_list_t *p_list )
{
return &p_list->p_logo[p_list->i_counter];
}
modules/video_filter/wrapper.c
View file @ 86afb29f
......@@ -48,6 +48,7 @@ static void Close( vlc_object_t * );
DECLARE_OPEN(magnify)
DECLARE_OPEN(puzzle)
DECLARE_OPEN(logo)
#undef DECLARE_OPEN
......@@ -67,6 +68,9 @@ vlc_module_begin()
add_submodule()
DECLARE_MODULE(puzzle)
add_submodule()
DECLARE_MODULE(logo)
vlc_module_end()
#undef DECLARE_MODULE
......
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