/*****************************************************************************
* logo.c : logo video plugin for vlc
*****************************************************************************
- * Copyright (C) 2003-2004 VideoLAN
+ * Copyright (C) 2003-2004 the VideoLAN team
* $Id$
*
- * Authors: Simon Latapie <garf@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
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
-#include <png.h>
-
#include <vlc/vlc.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 *,
+ 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 MouseEvent( vlc_object_t *, char const *,
- vlc_value_t , vlc_value_t , void * );
+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 FILE_LONGTEXT N_("Full path of the PNG file to use.")
#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 TRANS_TEXT N_("Transparency of the logo (255-0)")
-#define TRANS_LONGTEXT N_("You can change it by middle-clicking and moving mouse left or right.")
+#define TRANS_TEXT N_("Transparency of the logo")
+#define TRANS_LONGTEXT N_("You can set the logo transparency value here " \
+ "(from 0 for full transparency to 255 for full opacity)." )
+#define POS_TEXT N_("Logo position")
+#define POS_LONGTEXT N_( \
+ "You can 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).")
+
+static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
+static char *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( _("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( "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-x", -1, 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 );
-
+ add_integer( "logo-position", 6, NULL, POS_TEXT, POS_LONGTEXT, VLC_TRUE );
+ 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( _("Logo sub filter") );
add_shortcut( "logo" );
- set_callbacks( Create, Destroy );
vlc_module_end();
+/*****************************************************************************
+ * LoadImage: loads the logo image into memory
+ *****************************************************************************/
+static picture_t *LoadImage( vlc_object_t *p_this, char *psz_filename )
+{
+ picture_t *p_pic;
+ image_handler_t *p_image;
+ video_format_t fmt_in = {0}, fmt_out = {0};
+
+ 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;
+}
+
/*****************************************************************************
* vout_sys_t: logo video output method descriptor
*****************************************************************************
struct vout_sys_t
{
vout_thread_t *p_vout;
- png_uint_32 height;
- int bit_depth;
- png_uint_32 width;
- uint8_t * png_image[3];
- uint8_t * png_image_u;
- uint8_t * png_image_v;
- uint8_t * png_image_a[3];
- uint8_t * png_image_a_little;
- int error;
- int posx, posy;
- int trans;
-};
-/*****************************************************************************
- * 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_t *p_blend;
+ picture_t *p_pic;
+
+ int i_width, i_height;
+ int pos, posx, posy;
+ char *psz_filename;
+ int i_trans;
+};
/*****************************************************************************
* Create: allocates logo video thread output method
- *****************************************************************************
- * This function allocates and initializes a Invert vout 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;
/* Allocate structure */
- p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
- if( p_vout->p_sys == NULL )
+ p_sys = p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
+ if( p_sys == NULL )
{
msg_Err( p_vout, "out of memory" );
return VLC_ENOMEM;
p_vout->pf_display = NULL;
p_vout->pf_control = Control;
+ p_sys->psz_filename = var_CreateGetString( p_this , "logo-file" );
+ if( !p_sys->psz_filename || !*p_sys->psz_filename )
+ {
+ msg_Err( p_this, "logo file not specified" );
+ return 0;
+ }
+
+ var_Create( p_this, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_this, "logo-position", &val );
+ p_sys->pos = val.i_int;
+ 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;
+ var_Create(p_this, "logo-transparency", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
+ var_Get( p_this, "logo-transparency", &val );
+ p_sys->i_trans = __MAX( __MIN( val.i_int, 255 ), 0 );
+
+ p_sys->p_pic = LoadImage( p_this, p_sys->psz_filename );
+ 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;
+
return VLC_SUCCESS;
}
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
- int i_index;
+ vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_pic;
- char * filename;
- FILE * fp;
- int color_type;
- int interlace_type;
- int compression_type;
- int filter_type;
- png_structp png_ptr;
- png_bytep * row_pointers;
- png_infop info_ptr;
- unsigned int i;
-// unsigned int j;
- unsigned int x;
- unsigned int y;
- int temp;
- int i_size;
- int i_parity_width;
- int i_parity_height;
-
- /* read png file */
- filename = config_GetPsz( p_vout, "logo-file" );
- fp = fopen( filename , "rb");
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL , NULL , NULL);
- info_ptr = png_create_info_struct(png_ptr);
-
- if (fp == NULL)
- {
- p_vout->p_sys->error=1;
- msg_Err( p_vout , "file not found %s", filename );
- free( filename );
- }
- else
- {
- free( filename );
- p_vout->p_sys->error=0;
- png_init_io(png_ptr, fp);
- png_read_info(png_ptr, info_ptr);
- png_get_IHDR(png_ptr, info_ptr, &p_vout->p_sys->width, &p_vout->p_sys->height,
- &p_vout->p_sys->bit_depth, &color_type, &interlace_type,
- &compression_type, &filter_type);
- row_pointers= malloc( sizeof(png_bytep) * p_vout->p_sys->height );
- for( i = 0; i < p_vout->p_sys->height; i++ )
- {
- row_pointers[i] = malloc( 4 * ( p_vout->p_sys->bit_depth + 7 ) / 8 * p_vout->p_sys->width );
- }
- png_read_image(png_ptr, row_pointers);
- fclose(fp);
- /* finish to read the image in the file. Now We have to convert it YUV */
- /* initialize yuv plans of the image */
- i_parity_width = p_vout->p_sys->width % 2;
- i_parity_height = p_vout->p_sys->height % 2;
-
- p_vout->p_sys->height = p_vout->p_sys->height
- + (p_vout->p_sys->height % 2);
- p_vout->p_sys->width = p_vout->p_sys->width
- + (p_vout->p_sys->width % 2);
- i_size = p_vout->p_sys->height * p_vout->p_sys->width;
-
- p_vout->p_sys->png_image[0] = malloc( i_size );
- p_vout->p_sys->png_image[1] = malloc( i_size / 4 );
- p_vout->p_sys->png_image[2] = malloc( i_size / 4 );
-
- p_vout->p_sys->png_image_a[0] = malloc( i_size );
- p_vout->p_sys->png_image_a[1] = malloc( i_size / 4 );
- p_vout->p_sys->png_image_a[2] = p_vout->p_sys->png_image_a[1];
-
- for( y = 0; y < p_vout->p_sys->height ; y++)
- {
- for( x = 0; x < p_vout->p_sys->width ; x++)
- {
- uint8_t (*p)[4];
- int idx;
- int idxc;
-
- /* FIXME FIXME */
- p = (void*)row_pointers[y];
- idx = x + y * p_vout->p_sys->width;
- idxc= x/2 + (y/2) * (p_vout->p_sys->width/2);
-
- if( ((i_parity_width == 0) || (x != (p_vout->p_sys->width - 1))) &&
- ((i_parity_height == 0) || (y != (p_vout->p_sys->height - 1))))
- {
- p_vout->p_sys->png_image_a[0][idx]= p[x][3];
- p_vout->p_sys->png_image[0][idx]= (p[x][0] * 257
- + p[x][1] * 504
- + p[x][2] * 98)/1000 + 16;
-
- if( ( x % 2 == 0 ) && ( y % 2 == 0 ) )
- {
-
- temp = (p[x][2] * 439
- - p[x][0] * 148
- - p[x][1] * 291)/1000 + 128;
-
- temp = __MAX( __MIN( temp, 255 ), 0 );
- p_vout->p_sys->png_image[1][idxc] = temp;
-
- temp = ( p[x][0] * 439
- - p[x][1] * 368
- - p[x][2] * 71)/1000 + 128;
- temp = __MAX( __MIN( temp, 255 ), 0 );
- p_vout->p_sys->png_image[2][idxc] = temp;
- p_vout->p_sys->png_image_a[1][idxc] = p_vout->p_sys->png_image_a[0][idx];
-
- }
-
- } else
- {
- p_vout->p_sys->png_image_a[0][idx]= 0;
- }
- }
- }
- /* now we can free row_pointers*/
- free(row_pointers);
- }
+ int i_index;
+ video_format_t fmt = {0};
I_OUTPUTPICTURES = 0;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->render.i_aspect;
+ fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
+ fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
+ fmt.i_x_offset = fmt.i_y_offset = 0;
+ fmt.i_chroma = p_vout->render.i_chroma;
+ fmt.i_aspect = p_vout->render.i_aspect;
+ fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
+ fmt.i_sar_den = VOUT_ASPECT_FACTOR;
+
+ /* Load the video blending filter */
+ p_sys->p_blend = vlc_object_create( p_vout, sizeof(filter_t) );
+ vlc_object_attach( p_sys->p_blend, p_vout );
+ p_sys->p_blend->fmt_out.video.i_x_offset =
+ p_sys->p_blend->fmt_out.video.i_y_offset = 0;
+ p_sys->p_blend->fmt_in.video.i_x_offset =
+ p_sys->p_blend->fmt_in.video.i_y_offset = 0;
+ p_sys->p_blend->fmt_out.video.i_aspect = p_vout->render.i_aspect;
+ 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->p_blend->fmt_out.video.i_width =
+ p_sys->p_blend->fmt_out.video.i_visible_width =
+ p_vout->output.i_width;
+ p_sys->p_blend->fmt_out.video.i_height =
+ p_sys->p_blend->fmt_out.video.i_visible_height =
+ p_vout->output.i_height;
+
+ p_sys->p_blend->p_module =
+ module_Need( p_sys->p_blend, "video blending", 0, 0 );
+ if( !p_sys->p_blend->p_module )
+ {
+ msg_Err( p_vout, "can't open blending filter, aborting" );
+ vlc_object_detach( p_sys->p_blend );
+ vlc_object_destroy( 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;
+ }
+ }
+
/* Try to open the real video output */
msg_Dbg( p_vout, "spawning the real video output" );
- p_vout->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_vout->p_sys->p_vout == NULL )
+ if( p_sys->p_vout == NULL )
{
msg_Err( p_vout, "can't open vout, aborting" );
-
return VLC_EGENERIC;
}
- var_AddCallback( p_vout->p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
- var_AddCallback( p_vout->p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
-
+ var_AddCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
+ var_AddCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
-
- ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
-
+ ADD_CALLBACKS( p_sys->p_vout, SendEvents );
ADD_PARENT_CALLBACKS( SendEventsToChild );
- p_vout->p_sys->posx = config_GetInt( p_vout, "logo-x" );
- p_vout->p_sys->posy = config_GetInt( p_vout, "logo-y" );
- p_vout->p_sys->trans = config_GetInt( p_vout, "logo-transparency");
-
return VLC_SUCCESS;
}
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
+ vout_sys_t *p_sys = p_vout->p_sys;
int i_index;
/* Free the fake output buffers we allocated */
free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
}
- var_DelCallback( p_vout->p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
- var_DelCallback( p_vout->p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
+ var_DelCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
+ var_DelCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
- DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents );
- vlc_object_detach( p_vout->p_sys->p_vout );
- vout_Destroy( p_vout->p_sys->p_vout );
-
- config_PutInt( p_vout, "logo-x", p_vout->p_sys->posx );
- config_PutInt( p_vout, "logo-y", p_vout->p_sys->posy );
-
- if (p_vout->p_sys->error == 0)
+ if( p_sys->p_vout )
{
- free(p_vout->p_sys->png_image[0]);
- free(p_vout->p_sys->png_image[1]);
- free(p_vout->p_sys->png_image[2]);
- free(p_vout->p_sys->png_image_a[0]);
- free(p_vout->p_sys->png_image_a[1]);
+ DEL_CALLBACKS( p_sys->p_vout, SendEvents );
+ vlc_object_detach( p_sys->p_vout );
+ vout_Destroy( 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 );
}
/*****************************************************************************
* 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 );
- free( p_vout->p_sys );
+ if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
+ free( p_sys );
}
/*****************************************************************************
- * Render: displays previously rendered output
- *****************************************************************************
- * This function send the currently rendered image to Invert image, waits
- * until it is displayed and switch the two rendering buffers, preparing next
- * frame.
+ * Render: render the logo onto the video
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
+ vout_sys_t *p_sys = p_vout->p_sys;
picture_t *p_outpic;
- int i_index;
- int tr;
/* This is a new frame. Get a structure from the video_output. */
- while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) )
- == NULL )
+ while( !(p_outpic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 )) )
{
- if( p_vout->b_die || p_vout->b_error )
- {
- return;
- }
+ if( p_vout->b_die || p_vout->b_error ) return;
msleep( VOUT_OUTMEM_SLEEP );
}
- vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date );
- vout_LinkPicture( p_vout->p_sys->p_vout, p_outpic );
-
-
- tr = p_vout->p_sys->trans;
-
- for( i_index = 0 ; i_index < p_pic->i_planes ; i_index++ )
- {
- memcpy( p_outpic->p[i_index].p_pixels,
- p_pic->p[i_index].p_pixels,
- p_pic->p[i_index].i_lines * p_pic->p[i_index].i_pitch);
-
-
- if (p_vout->p_sys->error == 0)
- {
- unsigned int i;
- unsigned int j;
- uint8_t *p_out, *p_in_a, *p_in;
- int i_delta;
- unsigned int i_max;
- unsigned int j_max;
-
- if (i_index == 0)
- {
- p_out = p_outpic->p[i_index].p_pixels +
- p_vout->p_sys->posy * p_outpic->p[i_index].i_pitch +
- p_vout->p_sys->posx;
- i_max = p_vout->p_sys->height;
- j_max = p_vout->p_sys->width;
- } else
- {
- p_out = p_outpic->p[i_index].p_pixels +
- p_vout->p_sys->posy / 2 * p_outpic->p[i_index].i_pitch +
- p_vout->p_sys->posx / 2;
- i_max = p_vout->p_sys->height / 2;
- j_max = p_vout->p_sys->width / 2;
- }
- i_delta = p_outpic->p[i_index].i_pitch - j_max;
-
- p_in_a = p_vout->p_sys->png_image_a[i_index];
- p_in = p_vout->p_sys->png_image[i_index];
-
-
- for( i = 0; i < i_max ; i++ )
- {
- for( j = 0 ; j < j_max ; j++)
- {
- *p_out = ( *p_out * ( 65025 - *p_in_a * tr) + *p_in * *p_in_a * tr ) >> 16;
- p_out++;
- p_in++;
- p_in_a++;
- }
- p_out += i_delta;
- }
- }
- }
+ vout_CopyPicture( p_vout, p_outpic, p_pic );
+ vout_DatePicture( p_sys->p_vout, p_outpic, p_pic->date );
- vout_UnlinkPicture( p_vout->p_sys->p_vout, p_outpic );
+ 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_sys->i_trans );
- vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
+ vout_DisplayPicture( p_sys->p_vout, p_outpic );
}
/*****************************************************************************
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
var_Set( (vlc_object_t *)p_data, psz_var, newval );
-
return VLC_SUCCESS;
}
-
/*****************************************************************************
* MouseEvent: callback for mouse events
- ******************************************************************************/
+ *****************************************************************************/
static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
vout_thread_t *p_vout = (vout_thread_t*)p_data;
+ vout_sys_t *p_sys = p_vout->p_sys;
vlc_value_t valb;
int i_delta;
- #define posx p_vout->p_sys->posx
- #define posy p_vout->p_sys->posy
- #define width p_vout->p_sys->width
- #define height p_vout->p_sys->height
- #define trans p_vout->p_sys->trans
-
var_Get( p_vout->p_sys->p_vout, "mouse-button-down", &valb );
i_delta = newval.i_int - oldval.i_int;
- if ((valb.i_int & 0x2) == 2 && psz_var[6] == 'x' )
- {
- trans = __MIN( __MAX( trans + i_delta , 0 ) , 255 );
- return VLC_SUCCESS;
- }
- if ((valb.i_int & 0x1) == 0)
+ if( (valb.i_int & 0x1) == 0 )
{
return VLC_SUCCESS;
}
{
vlc_value_t valy;
var_Get( p_vout->p_sys->p_vout, "mouse-y", &valy );
- if ((newval.i_int >= (int)posx) && (valy.i_int >= (int)posy) && (newval.i_int <= (int)(posx + width)) && (valy.i_int <= (int)(posy + height)))
+ if( newval.i_int >= (int)p_sys->posx &&
+ valy.i_int >= (int)p_sys->posy &&
+ newval.i_int <= (int)(p_sys->posx + p_sys->i_width) &&
+ valy.i_int <= (int)(p_sys->posy + p_sys->i_height) )
{
- posx = __MIN( __MAX( posx + i_delta , 0 ) , p_vout->output.i_width - width );
+ p_sys->posx = __MIN( __MAX( p_sys->posx + i_delta, 0 ),
+ p_vout->output.i_width - p_sys->i_width );
}
-
}
else if( psz_var[6] == 'y' )
{
vlc_value_t valx;
var_Get( p_vout->p_sys->p_vout, "mouse-x", &valx );
- if ((valx.i_int >= (int)posx) && (newval.i_int >= (int)posy) && (valx.i_int <= (int)(posx + width)) && (newval.i_int <= (int)(posy + height)))
- {
- posy = __MIN( __MAX( posy + i_delta , 0 ) , p_vout->output.i_height - height );
- }
-
- }
- else if( psz_var[6] == 'c' )
- {
- if ((valb.i_int & 0x8) == 1)
- {
- p_vout->p_sys->trans++;
- }
- else if ((valb.i_int & 0x10) == 1)
+ if( valx.i_int >= (int)p_sys->posx &&
+ newval.i_int >= (int)p_sys->posy &&
+ valx.i_int <= (int)(p_sys->posx + p_sys->i_width) &&
+ newval.i_int <= (int)(p_sys->posy + p_sys->i_height) )
{
- p_vout->p_sys->trans--;
+ p_sys->posy = __MIN( __MAX( p_sys->posy + i_delta, 0 ),
+ p_vout->output.i_height - p_sys->i_height );
}
}
- #undef posx
- #undef posy
- #undef width
- #undef height
- #undef trans
-
return VLC_SUCCESS;
}
+/*****************************************************************************
+ * 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 );
+}
+
/*****************************************************************************
* SendEventsToChild: forward events to the child/children vout
*****************************************************************************/
var_Set( p_vout->p_sys->p_vout, psz_var, newval );
return VLC_SUCCESS;
}
+
+/*****************************************************************************
+ * filter_sys_t: logo filter descriptor
+ *****************************************************************************/
+struct filter_sys_t
+{
+ picture_t *p_pic;
+
+ int i_width, i_height;
+ int pos, posx, posy;
+ char *psz_filename;
+ int i_trans;
+
+ vlc_bool_t b_absolute;
+
+ mtime_t i_last_date;
+
+ /* On the fly control variable */
+ vlc_bool_t b_need_update;
+ vlc_bool_t b_new_image;
+};
+
+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;
+ vlc_object_t *p_input;
+
+ /* Allocate structure */
+ p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
+ if( p_sys == NULL )
+ {
+ msg_Err( p_filter, "out of memory" );
+ return VLC_ENOMEM;
+ }
+
+ /* Hook used for callback variables */
+ p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( !p_input )
+ {
+ free( p_sys );
+ return VLC_ENOOBJ;
+ }
+
+ p_sys->psz_filename =
+ var_CreateGetString( p_input->p_libvlc , "logo-file" );
+ if( !p_sys->psz_filename || !*p_sys->psz_filename )
+ {
+ msg_Err( p_this, "logo file not specified" );
+ vlc_object_release( p_input );
+ if( p_sys->psz_filename ) free( p_sys->psz_filename );
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ p_sys->posx = var_CreateGetInteger( p_input->p_libvlc , "logo-x" );
+ p_sys->posy = var_CreateGetInteger( p_input->p_libvlc , "logo-y" );
+ p_sys->pos = var_CreateGetInteger( p_input->p_libvlc , "logo-position" );
+ p_sys->i_trans =
+ var_CreateGetInteger( p_input->p_libvlc, "logo-transparency");
+ p_sys->i_trans = __MAX( __MIN( p_sys->i_trans, 255 ), 0 );
+
+ var_AddCallback( p_input->p_libvlc, "logo-file", LogoCallback, p_sys );
+ var_AddCallback( p_input->p_libvlc, "logo-x", LogoCallback, p_sys );
+ var_AddCallback( p_input->p_libvlc, "logo-y", LogoCallback, p_sys );
+ var_AddCallback( p_input->p_libvlc, "logo-position", LogoCallback, p_sys );
+ var_AddCallback( p_input->p_libvlc, "logo-transparency", LogoCallback, p_sys );
+ vlc_object_release( p_input );
+
+ p_sys->p_pic = LoadImage( p_this, p_sys->psz_filename );
+ if( !p_sys->p_pic )
+ {
+ free( p_sys );
+ msg_Err( p_this, "couldn't load logo file" );
+ return VLC_EGENERIC;
+ }
+
+ /* Misc init */
+ p_filter->pf_sub_filter = Filter;
+ 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;
+ p_sys->b_need_update = VLC_TRUE;
+ p_sys->b_new_image = VLC_FALSE;
+ 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_object_t *p_input;
+
+ if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
+ if( p_sys->psz_filename ) free( p_sys->psz_filename );
+ free( p_sys );
+
+ /* Delete the logo variables from INPUT */
+ p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( !p_input ) return;
+
+ var_Destroy( p_input->p_libvlc , "logo-file" );
+ var_Destroy( p_input->p_libvlc , "logo-x" );
+ var_Destroy( p_input->p_libvlc , "logo-y" );
+ var_Destroy( p_input->p_libvlc , "logo-position" );
+ var_Destroy( p_input->p_libvlc , "logo-transparency" );
+ vlc_object_release( p_input );
+}
+
+/*****************************************************************************
+ * 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;
+ subpicture_t *p_spu;
+ subpicture_region_t *p_region;
+ video_format_t fmt;
+
+ if( !p_sys->b_need_update && p_sys->i_last_date +5000000 > date ) return 0;
+
+ if( p_sys->b_new_image )
+ {
+ if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
+
+ p_sys->p_pic = LoadImage( VLC_OBJECT(p_filter), p_sys->psz_filename );
+ if( p_sys->p_pic )
+ {
+ 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;
+ }
+
+ p_sys->b_new_image = VLC_FALSE;
+ }
+
+ p_sys->b_need_update = VLC_FALSE;
+
+ /* Allocate the subpicture internal data. */
+ p_spu = p_filter->pf_sub_buffer_new( p_filter );
+ if( !p_spu ) 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 = VLC_TRUE;
+
+ p_sys->b_need_update = VLC_FALSE;
+
+ if( !p_sys->p_pic || !p_sys->i_trans )
+ {
+ /* Send an empty subpicture to clear the display */
+ 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_sys->i_width;
+ fmt.i_height = fmt.i_visible_height = p_sys->i_height;
+ 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 );
+ return NULL;
+ }
+
+ vout_CopyPicture( p_filter, &p_region->picture, p_sys->p_pic );
+
+ /* where to locate the logo: */
+ if( p_sys->posx < 0 || p_sys->posy < 0 )
+ { /* set to one of the 9 relative locations */
+ p_spu->i_flags = p_sys->pos;
+ p_spu->i_x = 0;
+ p_spu->i_y = 0;
+ p_spu->b_absolute = VLC_FALSE;
+ }
+ else
+ { /* set to an absolute xy, referenced to upper left corner */
+ p_spu->i_flags = OSD_ALIGN_LEFT | OSD_ALIGN_TOP;
+ p_spu->i_x = p_sys->posx;
+ p_spu->i_y = p_sys->posy;
+ p_spu->b_absolute = VLC_TRUE;
+ }
+
+ p_spu->p_region = p_region;
+ p_spu->i_alpha = p_sys->i_trans;
+
+ 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 )
+{
+ filter_sys_t *p_sys = (filter_sys_t *)p_data;
+
+ if( !strncmp( psz_var, "logo-file", 6 ) )
+ {
+ if( p_sys->psz_filename ) free( p_sys->psz_filename );
+ p_sys->psz_filename = strdup( newval.psz_string );
+ p_sys->b_new_image = VLC_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 ) )
+ {
+ p_sys->i_trans = __MAX( __MIN( newval.i_int, 255 ), 0 );
+ }
+ p_sys->b_need_update = VLC_TRUE;
+ return VLC_SUCCESS;
+}
projects / vlc / blobdiff