/*****************************************************************************
* logo.c : logo video plugin for vlc
*****************************************************************************
- * Copyright (C) 2003-2004 VideoLAN
+ * Copyright (C) 2003-2006 the VideoLAN team
* $Id$
*
- * Authors: Simon Latapie <garf@videolan.org>
- * Gildas Bazin <gbazin@videolan.org>
+ * Authors: Gildas Bazin <gbazin@videolan.org>
+ * Simon Latapie <garf@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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h>
-#include <png.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#include <vlc/vlc.h>
-#include <vlc/vout.h>
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_vout.h>
#include "vlc_filter.h"
#include "filter_common.h"
+#include "vlc_image.h"
+#include "vlc_osd.h"
+
+#ifdef LoadImage
+# undef LoadImage
+#endif
/*****************************************************************************
* Local prototypes
static int SendEvents( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
-static int MouseEvent ( vlc_object_t *, char const *,
+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 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
*****************************************************************************/
-#define FILE_TEXT N_("Logo filename")
-#define FILE_LONGTEXT N_("The file must be in PNG RGBA 8bits format (for now).")
-#define POSX_TEXT N_("X coordinate of the logo")
-#define POSX_LONGTEXT N_("You can move the logo by left-clicking on it." )
-#define POSY_TEXT N_("Y coordinate of the logo")
-#define POSY_LONGTEXT N_("You can move the logo by left-clicking on it." )
+#define FILE_TEXT N_("Logo filenames")
+#define FILE_LONGTEXT N_("Full path of the image files to use. Format is " \
+"<image>[,<delay in ms>[,<alpha>]][;<image>[,<delay>[,<alpha>]]][;...]. " \
+"If you only have one file, simply enter its filename.")
+#define REPEAT_TEXT N_("Logo animation # of loops")
+#define REPEAT_LONGTEXT N_("Number of loops for the logo animation." \
+ "-1 = continuous, 0 = disabled")
+#define DELAY_TEXT N_("Logo individual image time in ms")
+#define DELAY_LONGTEXT N_("Individual image display time of 0 - 60000 ms.")
+
+#define POSX_TEXT N_("X coordinate")
+#define POSX_LONGTEXT N_("X coordinate of the logo. You can move the logo " \
+ "by left-clicking it." )
+#define POSY_TEXT N_("Y coordinate")
+#define POSY_LONGTEXT N_("Y coordinate of the logo. You can move the logo " \
+ "by left-clicking it." )
#define TRANS_TEXT N_("Transparency of the logo")
-#define TRANS_LONGTEXT N_("You can set the logo transparency value here " \
+#define TRANS_LONGTEXT N_("Logo transparency value " \
"(from 0 for full transparency to 255 for full opacity)." )
+#define POS_TEXT N_("Logo position")
+#define POS_LONGTEXT N_( \
+ "Enforce the logo position on the video " \
+ "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
+ "also use combinations of these values, eg 6 = top-right).")
-vlc_module_begin();
- set_description( _("Logo video filter") );
- set_capability( "video filter", 0 );
+#define CFG_PREFIX "logo-"
- add_file( "logo-file", NULL, NULL, FILE_TEXT, FILE_LONGTEXT, VLC_FALSE );
- add_integer( "logo-x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_FALSE );
- add_integer( "logo-y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_FALSE );
- add_integer_with_range( "logo-transparency", 255, 0, 255, NULL,
- TRANS_TEXT, TRANS_LONGTEXT, VLC_FALSE );
+static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
+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") };
+vlc_module_begin();
+ set_description( N_("Logo video filter") );
+ set_capability( "video filter", 0 );
+ set_shortname( N_("Logo overlay") );
+ set_category( CAT_VIDEO );
+ set_subcategory( SUBCAT_VIDEO_SUBPIC );
add_shortcut( "logo" );
set_callbacks( Create, Destroy );
+
+ add_file( CFG_PREFIX "file", NULL, NULL, FILE_TEXT, FILE_LONGTEXT, false );
+ add_integer( CFG_PREFIX "x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, true );
+ add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, true );
+ /* default to 1000 ms per image, continuously cycle through them */
+ add_integer( CFG_PREFIX "delay", 1000, NULL, DELAY_TEXT, DELAY_LONGTEXT, true );
+ add_integer( CFG_PREFIX "repeat", -1, NULL, REPEAT_TEXT, REPEAT_LONGTEXT, true );
+ add_integer_with_range( CFG_PREFIX "transparency", 255, 0, 255, NULL,
+ TRANS_TEXT, TRANS_LONGTEXT, false );
+ add_integer( CFG_PREFIX "position", -1, NULL, POS_TEXT, POS_LONGTEXT, false );
+ change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
+
+ /* subpicture filter submodule */
+ add_submodule();
+ set_capability( "sub filter", 0 );
+ set_callbacks( CreateFilter, DestroyFilter );
+ set_description( N_("Logo sub filter") );
vlc_module_end();
+static const char *const ppsz_filter_options[] = {
+ "file", "x", "y", "delay", "repeat", "transparency", "position", NULL
+};
+
/*****************************************************************************
- * 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
+ * Structure to hold the set of individual logo image names, times,
+ * transparencies
+ ****************************************************************************/
+typedef struct
{
- vout_thread_t *p_vout;
-
- filter_t *p_blend;
+ char *psz_file; /* candidate for deletion -- not needed */
+ int i_delay; /* -1 means use default delay */
+ int i_alpha; /* -1 means use default alpha */
picture_t *p_pic;
- int i_width, i_height;
- int posx, posy;
-};
+} logo_t;
+
+/*****************************************************************************
+ * Logo list structure. Common to both the vout and sub picture filter
+ ****************************************************************************/
+typedef struct
+{
+ logo_t *p_logo; /* the parsing's result */
+ unsigned int i_count; /* the number of logo images to be displayed */
+
+ int i_repeat; /* how often to repeat the images, image time in ms */
+ mtime_t i_next_pic; /* when to bring up a new logo image */
+
+ unsigned int i_counter; /* index into the list of logo images */
+
+ int i_delay; /* default delay (0 - 60000 ms) */
+ int i_alpha; /* default alpha */
+
+ char *psz_filename; /* --logo-file string ( is it really useful
+ * to store it ? ) */
+
+ vlc_mutex_t lock;
+} logo_list_t;
/*****************************************************************************
- * LoadPNG: loads the PNG logo into memory
+ * LoadImage: loads the logo image into memory
*****************************************************************************/
-static picture_t *LoadPNG( vlc_object_t *p_this )
+static picture_t *LoadImage( vlc_object_t *p_this, char *psz_filename )
{
picture_t *p_pic;
- char *psz_filename;
- vlc_value_t val;
- FILE *file;
- int i, j, i_trans;
-
- png_uint_32 i_width, i_height;
- int i_color_type, i_interlace_type, i_compression_type, i_filter_type;
- int i_bit_depth;
- png_bytep *p_row_pointers;
- png_structp p_png;
- png_infop p_info, p_end_info;
-
- var_Create( p_this, "logo-file", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Get( p_this, "logo-file", &val );
- psz_filename = val.psz_string;
- if( !psz_filename ) return 0;
-
- if( !(file = fopen( psz_filename , "rb" )) )
+ image_handler_t *p_image;
+ video_format_t fmt_in;
+ video_format_t fmt_out;
+
+ memset( &fmt_in, 0, sizeof(video_format_t) );
+ memset( &fmt_out, 0, sizeof(video_format_t) );
+
+ fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
+ p_image = image_HandlerCreate( p_this );
+ p_pic = image_ReadUrl( p_image, psz_filename, &fmt_in, &fmt_out );
+ image_HandlerDelete( p_image );
+
+ return p_pic;
+}
+
+/*****************************************************************************
+ * 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 */
+
+ p_logo_list->i_counter = 0;
+ p_logo_list->i_next_pic = 0;
+
+ 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++ )
{
- msg_Err( p_this , "logo file (%s) not found", psz_filename );
- free( psz_filename );
- return 0;
+ if( psz_list[i] == ';' ) p_logo_list->i_count++;
}
- free( psz_filename );
- p_png = png_create_read_struct( PNG_LIBPNG_VER_STRING, 0, 0, 0 );
- p_info = png_create_info_struct( p_png );
- p_end_info = png_create_info_struct( p_png );
- png_init_io( p_png, file );
- png_read_info( p_png, p_info );
- png_get_IHDR( p_png, p_info, &i_width, &i_height,
- &i_bit_depth, &i_color_type, &i_interlace_type,
- &i_compression_type, &i_filter_type);
+ p_logo_list->p_logo = p_logo =
+ (logo_t *)malloc( p_logo_list->i_count * sizeof(logo_t) );
- p_row_pointers = malloc( sizeof(png_bytep) * i_height );
- for( i = 0; i < (int)i_height; i++ )
+ /* Fill the data */
+ for( i = 0; i < p_logo_list->i_count; i++ )
{
- p_row_pointers[i] = malloc( 4 * ( i_bit_depth + 7 ) / 8 * i_width );
- }
- png_read_image( p_png, p_row_pointers );
- png_read_end( p_png, p_end_info );
+ char *p_c;
+ char *p_c2;
+ p_c = strchr( psz_list, ';' );
+ p_c2 = strchr( psz_list, ',' );
+
+ 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';
+ }
- fclose( file );
- png_destroy_read_struct( &p_png, &p_info, &p_end_info );
+ p_logo[i].psz_file = strdup( psz_list );
+ p_logo[i].p_pic = LoadImage( p_this, p_logo[i].psz_file );
- /* Convert to YUVA */
- p_pic = malloc( sizeof(picture_t) );
- if( vout_AllocatePicture( p_this, p_pic, VLC_FOURCC('Y','U','V','A'),
- i_width, i_height, VOUT_ASPECT_FACTOR ) !=
- VLC_SUCCESS )
+ if( !p_logo[i].p_pic )
+ {
+ msg_Warn( p_this, "error while loading logo %s, will be skipped",
+ p_logo[i].psz_file );
+ }
+
+ if( p_c ) psz_list = p_c + 1;
+ }
+
+ for( i = 0; i < p_logo_list->i_count; i++ )
{
- free( p_row_pointers );
- return 0;
+ 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 );
}
- var_Create(p_this, "logo-transparency", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
- var_Get( p_this, "logo-transparency", &val );
- i_trans = val.i_int;
+ /* initialize so that on the first update it will wrap back to 0 */
+ p_logo_list->i_counter = p_logo_list->i_count;
+}
- for( j = 0; j < (int)i_height ; j++ )
+/*****************************************************************************
+ * 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++ )
{
- for( i = 0; i < (int)i_width ; i++ )
+ logo_t *p_logo = &p_logo_list->p_logo[i];
+ FREENULL( p_logo->psz_file );
+ if( p_logo->p_pic )
{
- uint8_t (*p)[4];
- int i_offset = i + j * p_pic->p[Y_PLANE].i_pitch;
-
- p = (void *)p_row_pointers[j];
- p_pic->p[Y_PLANE].p_pixels[i_offset] =
- (p[i][0] * 257L + p[i][1] * 504 + p[i][2] * 98)/1000 + 16;
- p_pic->p[U_PLANE].p_pixels[i_offset] =
- (p[i][2] * 439L - p[i][0] * 148 - p[i][1] * 291)/1000 + 128;
- p_pic->p[V_PLANE].p_pixels[i_offset] =
- (p[i][0] * 439L - p[i][1] * 368 - p[i][2] * 71)/1000 + 128;
- p_pic->p[A_PLANE].p_pixels[i_offset] = (p[i][3] * i_trans) / 255;
+ picture_Release( p_logo->p_pic );
+ p_logo->p_pic = NULL;
}
}
-
- free( p_row_pointers );
- return p_pic;
}
/*****************************************************************************
- * Create: allocates logo video thread output method
+ * vout_sys_t: logo video output method descriptor
*****************************************************************************
- * This function allocates and initializes a Invert vout method.
+ * 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;
+};
+
+/*****************************************************************************
+ * 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;
- vlc_value_t val;
+ logo_list_t *p_logo_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 )
{
- msg_Err( p_vout, "out of memory" );
+ free( p_sys );
return VLC_ENOMEM;
}
+ config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
+ p_vout->p_cfg );
+
+ p_logo_list->psz_filename = var_CreateGetStringCommand( p_vout,
+ "logo-file" );
+ if( !p_logo_list->psz_filename || !*p_logo_list->psz_filename )
+ {
+ msg_Err( p_vout, "logo file not specified" );
+ free( p_logo_list->psz_filename );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = NULL;
p_vout->pf_display = NULL;
p_vout->pf_control = Control;
- var_Create( p_this, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_this, "logo-x", &val );
- p_sys->posx = val.i_int;
- var_Create( p_this, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_this, "logo-y", &val );
- p_sys->posy = val.i_int;
+ 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 = __MAX( __MIN(
+ var_CreateGetIntegerCommand( p_vout, "logo-delay" ) , 60000 ), 0 );
+ p_logo_list->i_repeat = var_CreateGetIntegerCommand( p_vout, "logo-repeat");
+ p_logo_list->i_alpha = __MAX( __MIN(
+ var_CreateGetIntegerCommand( p_vout, "logo-transparency" ), 255 ), 0 );
- p_sys->p_pic = LoadPNG( p_this );
- if( !p_sys->p_pic )
- {
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- p_sys->i_width = p_sys->p_pic->p[Y_PLANE].i_visible_pitch;
- p_sys->i_height = p_sys->p_pic->p[Y_PLANE].i_visible_lines;
+ LoadLogoList( p_vout, p_logo_list );
return VLC_SUCCESS;
}
vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_pic;
int i_index;
+ video_format_t fmt;
+ logo_list_t *p_logo_list = p_sys->p_logo_list;
I_OUTPUTPICTURES = 0;
+ memset( &fmt, 0, sizeof(video_format_t) );
+
+ /* 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;
/* 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 = vlc_object_create( p_vout, sizeof(filter_t) );
p_sys->p_blend->fmt_out.video.i_chroma = p_vout->output.i_chroma;
p_sys->p_blend->fmt_in.video.i_chroma = VLC_FOURCC('Y','U','V','A');
p_sys->p_blend->fmt_in.video.i_aspect = VOUT_ASPECT_FACTOR;
- p_sys->p_blend->fmt_in.video.i_width =
- p_sys->p_blend->fmt_in.video.i_visible_width =
- p_sys->p_pic->p[Y_PLANE].i_visible_pitch;
- p_sys->p_blend->fmt_in.video.i_height =
- p_sys->p_blend->fmt_in.video.i_visible_height =
- p_sys->p_pic->p[Y_PLANE].i_visible_lines;
+ 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_pic->p[Y_PLANE].i_visible_pitch : 0;
+ 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_pic->p[Y_PLANE].i_visible_lines : 0;
p_sys->p_blend->fmt_out.video.i_width =
p_sys->p_blend->fmt_out.video.i_visible_width =
p_vout->output.i_width;
{
msg_Err( p_vout, "can't open blending filter, aborting" );
vlc_object_detach( p_sys->p_blend );
- vlc_object_destroy( p_sys->p_blend );
+ vlc_object_release( p_sys->p_blend );
return VLC_EGENERIC;
}
+ if( p_sys->posx < 0 || p_sys->posy < 0 )
+ {
+ p_sys->posx = 0; p_sys->posy = 0;
+
+ 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;
+ }
+ }
+ else
+ {
+ p_sys->pos = 0;
+ }
+
/* Try to open the real video output */
msg_Dbg( p_vout, "spawning the real video output" );
- p_sys->p_vout =
- vout_Create( p_vout, p_vout->render.i_width, p_vout->render.i_height,
- p_vout->render.i_chroma, p_vout->render.i_aspect );
+ p_sys->p_vout = vout_Create( p_vout, &fmt );
/* Everything failed */
if( p_sys->p_vout == NULL )
vout_sys_t *p_sys = p_vout->p_sys;
int i_index;
+ DEL_PARENT_CALLBACKS( SendEventsToChild );
+
+ DEL_CALLBACKS( p_sys->p_vout, SendEvents );
+
/* Free the fake output buffers we allocated */
for( i_index = I_OUTPUTPICTURES ; i_index ; )
{
var_DelCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
var_DelCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
- if( p_sys->p_vout )
- {
- DEL_CALLBACKS( p_sys->p_vout, SendEvents );
- vlc_object_detach( p_sys->p_vout );
- vout_Destroy( p_sys->p_vout );
- }
+ vout_CloseAndRelease( p_sys->p_vout );
if( p_sys->p_blend->p_module )
module_Unneed( p_sys->p_blend, p_sys->p_blend->p_module );
vlc_object_detach( p_sys->p_blend );
- vlc_object_destroy( p_sys->p_blend );
+ vlc_object_release( p_sys->p_blend );
}
/*****************************************************************************
* Destroy: destroy logo video thread output method
- *****************************************************************************
- * Terminate an output method created by InvertCreateOutputMethod
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
vout_thread_t *p_vout = (vout_thread_t *)p_this;
vout_sys_t *p_sys = p_vout->p_sys;
- DEL_PARENT_CALLBACKS( SendEventsToChild );
- if( p_sys->p_pic && p_sys->p_pic->p_data_orig )
- free( p_sys->p_pic->p_data_orig );
- if( p_sys->p_pic ) free( p_sys->p_pic );
+ FreeLogoList( p_sys->p_logo_list );
+ free( p_sys->p_logo_list );
free( p_sys );
}
/*****************************************************************************
* Render: render the logo onto the video
*****************************************************************************/
-static void Render( vout_thread_t *p_vout, picture_t *p_pic )
+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;
+
+ if( p_logo_list->i_next_pic < p_inpic->date )
+ {
+ /* 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 )
+ {
+
+ 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->pos )
+ {
+ 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;
+ }
+ }
+ }
+
+ }
+ else
+ {
+ p_logo = &p_logo_list->p_logo[p_sys->p_logo_list->i_counter];
+ p_pic = p_logo->p_pic;
+ }
/* 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( p_vout->b_die || p_vout->b_error ) return;
+ if( !vlc_object_alive (p_vout) || p_vout->b_error ) return;
msleep( VOUT_OUTMEM_SLEEP );
}
- vout_CopyPicture( p_vout, p_outpic, p_pic );
- vout_DatePicture( p_sys->p_vout, p_outpic, p_pic->date );
+ vout_CopyPicture( p_vout, p_outpic, p_inpic );
+ vout_DatePicture( p_sys->p_vout, p_outpic, p_inpic->date );
+ if( p_pic )
p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_outpic, p_outpic,
- p_sys->p_pic, p_sys->posx, p_sys->posy );
+ p_pic, p_sys->posx, p_sys->posy,
+ p_logo->i_alpha != -1 ? p_logo->i_alpha
+ : p_logo_list->i_alpha );
vout_DisplayPicture( p_sys->p_vout, p_outpic );
}
static int SendEvents( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
+ VLC_UNUSED(p_this); VLC_UNUSED(oldval);
var_Set( (vlc_object_t *)p_data, psz_var, newval );
return VLC_SUCCESS;
}
static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
+ VLC_UNUSED(p_this); VLC_UNUSED(oldval);
vout_thread_t *p_vout = (vout_thread_t*)p_data;
vout_sys_t *p_sys = p_vout->p_sys;
vlc_value_t valb;
static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
+ VLC_UNUSED(p_data); VLC_UNUSED(oldval);
vout_thread_t *p_vout = (vout_thread_t *)p_this;
var_Set( p_vout->p_sys->p_vout, psz_var, newval );
return VLC_SUCCESS;
}
+
+/*****************************************************************************
+ * filter_sys_t: logo filter descriptor
+ *****************************************************************************/
+struct filter_sys_t
+{
+ logo_list_t *p_logo_list;
+
+ int pos, posx, posy;
+
+ bool b_absolute;
+ mtime_t i_last_date;
+
+ /* On the fly control variable */
+ bool b_need_update;
+};
+
+static subpicture_t *Filter( filter_t *, mtime_t );
+
+/*****************************************************************************
+ * CreateFilter: allocates logo video filter
+ *****************************************************************************/
+static int CreateFilter( vlc_object_t *p_this )
+{
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys;
+ logo_list_t *p_logo_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 )
+ {
+ free( p_sys );
+ return VLC_ENOMEM;
+ }
+
+ 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 )
+ {
+ msg_Err( p_this, "logo file not specified" );
+ free( p_sys );
+ free( p_logo_list );
+ return VLC_EGENERIC;
+ }
+
+ 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 = __MAX( __MIN( var_CreateGetIntegerCommand(
+ p_filter, "logo-transparency"), 255 ), 0 );
+ p_logo_list->i_delay =
+ var_CreateGetIntegerCommand( p_filter, "logo-delay" );
+ p_logo_list->i_repeat =
+ var_CreateGetIntegerCommand( p_filter, "logo-repeat" );
+
+ 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 );
+
+ vlc_mutex_init( &p_logo_list->lock );
+ vlc_mutex_lock( &p_logo_list->lock );
+
+ LoadLogoList( p_this, p_logo_list );
+
+ vlc_mutex_unlock( &p_logo_list->lock );
+
+ /* Misc init */
+ p_filter->pf_sub_filter = Filter;
+ p_sys->b_need_update = true;
+
+ p_sys->i_last_date = 0;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * DestroyFilter: destroy logo video filter
+ *****************************************************************************/
+static void DestroyFilter( vlc_object_t *p_this )
+{
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
+
+ vlc_mutex_destroy( &p_sys->p_logo_list->lock );
+ FreeLogoList( p_sys->p_logo_list );
+ free( p_sys->p_logo_list );
+ free( p_sys );
+
+ /* 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" );
+}
+
+/*****************************************************************************
+ * Filter: the whole thing
+ *****************************************************************************
+ * This function outputs subpictures at regular time intervals.
+ *****************************************************************************/
+static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
+{
+ 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;
+
+ 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 */
+
+ if( ( ( !p_sys->b_need_update ) && ( p_logo_list->i_next_pic > date ) )
+ || !p_logo_list->i_repeat )
+ {
+ vlc_mutex_unlock( &p_logo_list->lock );
+ return 0;
+ }
+ /* prior code tested on && p_sys->i_last_date +5000000 > date ) return 0; */
+
+ /* 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;
+
+ /* Allocate the subpicture internal data. */
+ p_spu = filter_NewSubpicture( p_filter );
+ if( !p_spu )
+ {
+ vlc_mutex_unlock( &p_logo_list->lock );
+ return NULL;
+ }
+
+ p_spu->b_absolute = p_sys->b_absolute;
+ p_spu->i_start = p_sys->i_last_date = date;
+ p_spu->i_stop = 0;
+ p_spu->b_ephemer = true;
+
+ 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;
+
+ 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 )
+ {
+ vlc_mutex_unlock( &p_logo_list->lock );
+ return p_spu;
+ }
+ }
+
+ 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;
+ }
+
+ /* Create new SPU region */
+ memset( &fmt, 0, sizeof(video_format_t) );
+ fmt.i_chroma = VLC_FOURCC('Y','U','V','A');
+ 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 = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
+ if( !p_region )
+ {
+ 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;
+ }
+
+ vout_CopyPicture( p_filter, &p_region->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;
+ }
+
+ p_spu->i_x = p_sys->posx;
+ p_spu->i_y = p_sys->posy;
+
+ p_spu->p_region = p_region;
+
+ p_spu->i_alpha = ( p_logo->i_alpha != -1 ?
+ p_logo->i_alpha : p_logo_list->i_alpha );
+
+ return p_spu;
+}
+
+/*****************************************************************************
+ * 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 )
+{
+ VLC_UNUSED(oldval);
+ filter_sys_t *p_sys = (filter_sys_t *)p_data;
+ logo_list_t *p_logo_list = p_sys->p_logo_list;
+
+ if( !strncmp( psz_var, "logo-file", 6 ) )
+ {
+ 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 );
+ p_sys->b_need_update = true;
+ }
+ else if ( !strncmp( psz_var, "logo-x", 6 ) )
+ {
+ p_sys->posx = newval.i_int;
+ }
+ else if ( !strncmp( psz_var, "logo-y", 6 ) )
+ {
+ p_sys->posy = newval.i_int;
+ }
+ else if ( !strncmp( psz_var, "logo-position", 12 ) )
+ {
+ p_sys->pos = newval.i_int;
+ }
+ else if ( !strncmp( psz_var, "logo-transparency", 9 ) )
+ {
+ 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 ( !strncmp( psz_var, "logo-repeat", 11 ) )
+ {
+ 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;
+}