X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Flogo.c;h=7bf4cc46a3e2fcb2ee5f4151abbe3563ec6e11c7;hb=f659703fb4033420e0607d34bc7cd880a5802ea7;hp=598cca72fec2565dcb463a9cd251be5fa70d441c;hpb=e1fd82bb01af2754d5fdc0a9edc4dd2b68040f6e;p=vlc diff --git a/modules/video_filter/logo.c b/modules/video_filter/logo.c index 598cca72fe..7bf4cc46a3 100644 --- a/modules/video_filter/logo.c +++ b/modules/video_filter/logo.c @@ -29,42 +29,19 @@ #ifdef HAVE_CONFIG_H # include "config.h" #endif +#include #include #include -#include +#include +#include -#include "vlc_filter.h" -#include "filter_common.h" -#include "vlc_image.h" -#include "vlc_osd.h" +#include #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 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 LogoCallback( vlc_object_t *, char const *, - vlc_value_t, vlc_value_t, void * ); - /***************************************************************************** * Module descriptor *****************************************************************************/ @@ -84,8 +61,8 @@ static int LogoCallback( vlc_object_t *, char const *, #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_("Logo transparency value " \ +#define OPACITY_TEXT N_("Opacity of the logo") +#define OPACITY_LONGTEXT N_("Logo opacity value " \ "(from 0 for full transparency to 255 for full opacity)." ) #define POS_TEXT N_("Logo position") #define POS_LONGTEXT N_( \ @@ -93,6 +70,8 @@ static int LogoCallback( vlc_object_t *, char const *, "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \ "also use combinations of these values, eg 6 = top-right).") +#define LOGO_HELP N_("Use a local picture as logo on the video") + #define CFG_PREFIX "logo-" static const int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 }; @@ -100,53 +79,59 @@ 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_help(LOGO_HELP) 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 ) - add_integer( CFG_PREFIX "x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, true ) - add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, true ) + add_integer( CFG_PREFIX "x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, true ) + add_integer( CFG_PREFIX "y", -1, 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_with_range( CFG_PREFIX "opacity", 255, 0, 255, NULL, + OPACITY_TEXT, OPACITY_LONGTEXT, false ) add_integer( CFG_PREFIX "position", -1, NULL, POS_TEXT, POS_LONGTEXT, false ) change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL ) /* 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 */ int i_delay; /* -1 means use default delay */ int i_alpha; /* -1 means use default alpha */ picture_t *p_pic; } 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 */ @@ -160,705 +145,242 @@ typedef struct 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; -/***************************************************************************** - * 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; - 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 ) +/** + * Private logo data holder + */ +struct filter_sys_t { - char *psz_list; /* the list: [,[[,[]]]][;...] */ - unsigned int i; - logo_t *p_logo; /* the parsing's result */ + filter_t *p_blend; - p_logo_list->i_counter = 0; - p_logo_list->i_next_pic = 0; + vlc_mutex_t lock; - psz_list = strdup( p_logo_list->psz_filename ); + logo_list_t list; - /* 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++; - } + int i_pos; + int i_pos_x; + int i_pos_y; + bool b_absolute; - p_logo_list->p_logo = p_logo = - (logo_t *)malloc( p_logo_list->i_count * sizeof(logo_t) ); + /* On the fly control variable */ + bool b_spu_update; - /* 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, ',' ); + /* */ + bool b_mouse_grab; +}; - p_logo[i].i_alpha = -1; /* use default settings */ - p_logo[i].i_delay = -1; /* use default settings */ +static const char *const ppsz_filter_options[] = { + "file", "x", "y", "delay", "repeat", "opacity", "position", NULL +}; - if( p_c2 && ( p_c2 < p_c || !p_c ) ) - { - /* ,[,] 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 - { - /* type */ - if( p_c ) *p_c = '\0'; - } +static const char *const ppsz_filter_callbacks[] = { + "logo-file", + "logo-x", + "logo-y", + "logo-position", + "logo-opacity", + "logo-repeat", + NULL +}; - p_logo[i].psz_file = strdup( psz_list ); - p_logo[i].p_pic = LoadImage( p_this, p_logo[i].psz_file ); +static int OpenCommon( vlc_object_t *, bool b_sub ); - if( !p_logo[i].p_pic ) - { - msg_Warn( p_this, "error while loading logo %s, will be skipped", - p_logo[i].psz_file ); - } +static subpicture_t *FilterSub( filter_t *, mtime_t ); +static picture_t *FilterVideo( filter_t *, picture_t * ); - if( p_c ) psz_list = p_c + 1; - } +static int Mouse( filter_t *, vlc_mouse_t *, const vlc_mouse_t *, const vlc_mouse_t * ); - for( i = 0; i < p_logo_list->i_count; i++ ) - { - 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 ); - } +static int LogoCallback( vlc_object_t *, char const *, + vlc_value_t, vlc_value_t, void * ); - /* initialize so that on the first update it will wrap back to 0 */ - p_logo_list->i_counter = p_logo_list->i_count; -} +static void LogoListLoad( vlc_object_t *, logo_list_t *, const char * ); +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 ); -/***************************************************************************** - * FreeLogoList - *****************************************************************************/ -static void FreeLogoList( logo_list_t *p_logo_list ) +/** + * Open the sub filter + */ +static int OpenSub( vlc_object_t *p_this ) { - unsigned int i; - FREENULL( p_logo_list->psz_filename ); - for( i = 0; i < p_logo_list->i_count; i++ ) - { - logo_t *p_logo = &p_logo_list->p_logo[i]; - FREENULL( p_logo->psz_file ); - if( p_logo->p_pic ) - { - picture_Release( p_logo->p_pic ); - p_logo->p_pic = NULL; - } - } + return OpenCommon( p_this, true ); } -/***************************************************************************** - * 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 +/** + * Open the video filter + */ +static int OpenVideo( vlc_object_t *p_this ) { - 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; - 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 ) - { - 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_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 = __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 ); - - LoadLogoList( p_vout, p_logo_list ); - - return VLC_SUCCESS; + return OpenCommon( p_this, false ); } -/***************************************************************************** - * Init: initialize logo video thread output method - *****************************************************************************/ -static int Init( vout_thread_t *p_vout ) +/** + * Common open function + */ +static int OpenCommon( vlc_object_t *p_this, bool b_sub ) { - 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) ); + filter_t *p_filter = (filter_t *)p_this; + filter_sys_t *p_sys; + char *psz_filename; - /* 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) ); - 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->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; - 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", NULL, false ); - if( !p_sys->p_blend->p_module ) + /* */ + if( !b_sub && !es_format_IsSimilar( &p_filter->fmt_in, &p_filter->fmt_out ) ) { - msg_Err( p_vout, "can't open blending filter, aborting" ); - vlc_object_detach( p_sys->p_blend ); - vlc_object_release( p_sys->p_blend ); + msg_Err( p_filter, "Input and output format does not match" ); return VLC_EGENERIC; } - if( p_sys->posx < 0 || p_sys->posy < 0 ) - { - p_sys->posx = 0; p_sys->posy = 0; + /* */ + p_filter->p_sys = p_sys = malloc( sizeof( *p_sys ) ); + if( !p_sys ) + return VLC_ENOMEM; - 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; - } + /* */ + p_sys->p_blend = NULL; + if( !b_sub ) + { - if( p_sys->pos & SUBPICTURE_ALIGN_RIGHT ) + p_sys->p_blend = filter_NewBlend( VLC_OBJECT(p_filter), + &p_filter->fmt_in.video ); + if( !p_sys->p_blend ) { - 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; + free( p_sys ); + return VLC_EGENERIC; } } - 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, &fmt ); - - /* Everything failed */ - if( p_sys->p_vout == NULL ) - { - msg_Err( p_vout, "can't open vout, aborting" ); - return VLC_EGENERIC; - } - - 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_sys->p_vout, SendEvents ); - ADD_PARENT_CALLBACKS( SendEventsToChild ); - - return VLC_SUCCESS; -} -/***************************************************************************** - * End: terminate logo video thread output method - *****************************************************************************/ -static void End( vout_thread_t *p_vout ) -{ - vout_sys_t *p_sys = p_vout->p_sys; - int i_index; - - DEL_PARENT_CALLBACKS( SendEventsToChild ); + /* */ + config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options, + p_filter->p_cfg ); - DEL_CALLBACKS( p_sys->p_vout, SendEvents ); + /* */ + logo_list_t *p_list = &p_sys->list; - /* Free the fake output buffers we allocated */ - for( i_index = I_OUTPUTPICTURES ; i_index ; ) + psz_filename = var_CreateGetStringCommand( p_filter, "logo-file" ); + if( !psz_filename ) { - i_index--; - free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig ); + if( p_sys->p_blend ) + filter_DeleteBlend( p_sys->p_blend ); + free( p_sys ); + return VLC_ENOMEM; } + if( *psz_filename == '\0' ) + msg_Warn( p_this, "no logo file specified" ); - var_DelCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout); - var_DelCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout); + p_list->i_alpha = var_CreateGetIntegerCommand( p_filter, "logo-opacity"); + 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" ); - vout_CloseAndRelease( p_sys->p_vout ); + 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" ); - 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_release( p_sys->p_blend ); -} - -/***************************************************************************** - * Destroy: destroy logo video thread output method - *****************************************************************************/ -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; + /* 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, psz_filename ); + p_sys->b_spu_update = true; + p_sys->b_mouse_grab = false; - FreeLogoList( p_sys->p_logo_list ); - free( p_sys->p_logo_list ); + for( int i = 0; ppsz_filter_callbacks[i]; i++ ) + var_AddCallback( p_filter, ppsz_filter_callbacks[i], + LogoCallback, p_sys ); - free( p_sys ); -} - -/***************************************************************************** - * 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; - - if( p_logo_list->i_next_pic < p_inpic->date ) + /* Misc init */ + if( b_sub ) { - /* 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; - } - } - } - + p_filter->pf_sub_filter = FilterSub; } 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( !vlc_object_alive (p_vout) || p_vout->b_error ) return; - msleep( VOUT_OUTMEM_SLEEP ); - } - - picture_Copy( p_outpic, p_inpic ); - - if( p_pic ) - p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_outpic, - 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 ); -} - -/***************************************************************************** - * SendEvents: forward mouse and keyboard events to the parent p_vout - *****************************************************************************/ -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; -} - -/***************************************************************************** - * 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 ) -{ - 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; - int i_delta; - - var_Get( p_vout->p_sys->p_vout, "mouse-button-down", &valb ); - - i_delta = newval.i_int - oldval.i_int; - - if( (valb.i_int & 0x1) == 0 ) - { - return VLC_SUCCESS; - } - - if( psz_var[6] == 'x' ) - { - vlc_value_t valy; - var_Get( p_vout->p_sys->p_vout, "mouse-y", &valy ); - 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) ) - { - 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)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_sys->posy = __MIN( __MAX( p_sys->posy + i_delta, 0 ), - p_vout->output.i_height - p_sys->i_height ); - } + p_filter->pf_video_filter = FilterVideo; + p_filter->pf_video_mouse = Mouse; } + free( psz_filename ); 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 - *****************************************************************************/ -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 ) +/** + * Common close function + */ +static void Close( 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; + filter_sys_t *p_sys = p_filter->p_sys; - p_sys->i_last_date = 0; + for( int i = 0; ppsz_filter_callbacks[i]; i++ ) + var_DelCallback( p_filter, ppsz_filter_callbacks[i], + LogoCallback, p_sys ); - 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; + if( p_sys->p_blend ) + filter_DeleteBlend( p_sys->p_blend ); - vlc_mutex_destroy( &p_sys->p_logo_list->lock ); - FreeLogoList( p_sys->p_logo_list ); - free( p_sys->p_logo_list ); + vlc_mutex_destroy( &p_sys->lock ); + LogoListUnload( &p_sys->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 ) +/** + * 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_logo_list = p_sys->p_logo_list; + logo_list_t *p_list = &p_sys->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, + 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->b_need_update ) && ( p_logo_list->i_next_pic > date ) ) - || !p_logo_list->i_repeat ) + if( ( !p_sys->b_spu_update && p_list->i_next_pic > date ) || + !p_list->i_repeat ) { - vlc_mutex_unlock( &p_logo_list->lock ); - return 0; + vlc_mutex_unlock( &p_sys->lock ); + return NULL; } - /* 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 = LogoListNext( p_list, date ); + p_sys->b_spu_update = false; - 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; - } + goto exit; p_spu->b_absolute = p_sys->b_absolute; - p_spu->i_start = p_sys->i_last_date = date; + p_spu->i_start = 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 ) + /* Send an empty subpicture to clear the display when needed */ + if( p_list->i_repeat != -1 && p_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; + 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_FOURCC('Y','U','V','A'); - fmt.i_aspect = VOUT_ASPECT_FACTOR; + fmt.i_chroma = VLC_CODEC_YUVA; 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; @@ -868,37 +390,171 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date ) { 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; + p_spu = NULL; + goto exit; } - /* 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 ) + if( p_sys->i_pos < 0 ) { /* set to an absolute xy */ - p_region->i_align = OSD_ALIGN_RIGHT | OSD_ALIGN_TOP; + p_region->i_align = SUBPICTURE_ALIGN_RIGHT | SUBPICTURE_ALIGN_TOP; p_spu->b_absolute = true; } else { /* set to one of the 9 relative locations */ - p_region->i_align = p_sys->pos; + p_region->i_align = p_sys->i_pos; p_spu->b_absolute = false; } - p_region->i_x = p_sys->posx; - p_region->i_y = p_sys->posy; + p_region->i_x = p_sys->i_pos_x; + p_region->i_y = p_sys->i_pos_y; p_spu->p_region = p_region; p_spu->i_alpha = ( p_logo->i_alpha != -1 ? - p_logo->i_alpha : p_logo_list->i_alpha ); + p_logo->i_alpha : p_list->i_alpha ); + +exit: + vlc_mutex_unlock( &p_sys->lock ); return p_spu; } +/** + * Video filter + */ +static picture_t *FilterVideo( filter_t *p_filter, picture_t *p_src ) +{ + 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; + + picture_Copy( p_dst, p_src ); + + /* */ + vlc_mutex_lock( &p_sys->lock ); + + 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 ); + + /* */ + const picture_t *p_pic = p_logo->p_pic; + 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; + + 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->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) ) + { + 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" ); + } + } + vlc_mutex_unlock( &p_sys->lock ); + +exit: + picture_Release( p_src ); + return p_dst; +} + +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 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; + + if( p_sys->b_mouse_grab ) + { + int i_dx, i_dy; + vlc_mouse_GetMotion( &i_dx, &i_dy, p_old, p_new ); + 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 ); + + /* object under mouse has moved */ + var_SetBool( p_filter->p_parent, "mouse-object", true ); + } + else if( b_over ) + { + /* object under mouse stoped moving */ + var_SetBool( p_filter->p_parent, "mouse-object", false ); + } + + if( p_sys->b_mouse_grab || b_over ) + { + vlc_mutex_unlock( &p_sys->lock ); + return VLC_EGENERIC; + } + } + vlc_mutex_unlock( &p_sys->lock ); + + *p_mouse = *p_new; + return VLC_SUCCESS; +} + /***************************************************************************** * Callback to update params on the fly *****************************************************************************/ @@ -907,40 +563,180 @@ static int LogoCallback( vlc_object_t *p_this, char const *psz_var, { VLC_UNUSED(oldval); filter_sys_t *p_sys = (filter_sys_t *)p_data; - logo_list_t *p_logo_list = p_sys->p_logo_list; + logo_list_t *p_list = &p_sys->list; + vlc_mutex_lock( &p_sys->lock ); 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 ); + LogoListUnload( p_list ); + LogoListLoad( p_this, p_list, newval.psz_string ); } else if ( !strcmp( psz_var, "logo-x" ) ) { - p_sys->posx = newval.i_int; + p_sys->i_pos_x = newval.i_int; } else if ( !strcmp( psz_var, "logo-y" ) ) { - p_sys->posy = newval.i_int; + p_sys->i_pos_y = newval.i_int; } else if ( !strcmp( psz_var, "logo-position" ) ) { - p_sys->pos = newval.i_int; + p_sys->i_pos = newval.i_int; } - else if ( !strcmp( psz_var, "logo-transparency" ) ) + else if ( !strcmp( psz_var, "logo-opacity" ) ) { - 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 ); + p_list->i_alpha = __MAX( __MIN( newval.i_int, 255 ), 0 ); } 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_list->i_repeat = newval.i_int; } - p_sys->b_need_update = true; + p_sys->b_spu_update = true; + vlc_mutex_unlock( &p_sys->lock ); + return VLC_SUCCESS; } + +/** + * It loads the logo image into memory. + */ +static picture_t *LoadImage( vlc_object_t *p_this, const char *psz_filename ) +{ + if( !psz_filename ) + return NULL; + + video_format_t fmt_in; + video_format_Init( &fmt_in, 0 ); + + 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; + + char *psz_url = make_URI( psz_filename, NULL ); + picture_t *p_pic = image_ReadUrl( p_image, psz_url, &fmt_in, &fmt_out ); + free( psz_url ); + image_HandlerDelete( p_image ); + + return p_pic; +} + +/** + * 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 opacity will use the + * logo-delay and logo-opacity values. + */ +static void LogoListLoad( vlc_object_t *p_this, logo_list_t *p_logo_list, + const char *psz_filename ) +{ + char *psz_list; /* the list: [,[[,[]]]][;...] */ + char *psz_original; + 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_original = psz_list = strdup( psz_filename ); + if( !psz_list ) + abort(); + + /* 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++; + } + + p_logo_list->p_logo = + p_logo = calloc( p_logo_list->i_count, sizeof(*p_logo) ); + if( !p_logo ) + abort(); + + /* Fill the data */ + for( i = 0; i < p_logo_list->i_count; i++ ) + { + char *p_c = strchr( psz_list, ';' ); + char *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 ) ) + { + /* ,[,] 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 + { + /* type */ + if( p_c ) + *p_c = '\0'; + } + + msg_Dbg( p_this, "logo file name %s, delay %d, alpha %d", + psz_list, p_logo[i].i_delay, p_logo[i].i_alpha ); + p_logo[i].p_pic = LoadImage( p_this, psz_list ); + if( !p_logo[i].p_pic ) + { + msg_Warn( p_this, "error while loading logo %s, will be skipped", + psz_list ); + } + + if( p_c ) + psz_list = &p_c[1]; + } + + /* initialize so that on the first update it will wrap back to 0 */ + p_logo_list->i_counter = p_logo_list->i_count - 1; + + free( psz_original ); +} + +/** + * Unload a list of logo and release associated ressources. + */ +static void LogoListUnload( logo_list_t *p_list ) +{ + for( unsigned i = 0; i < p_list->i_count; i++ ) + { + logo_t *p_logo = &p_list->p_logo[i]; + + if( p_logo->p_pic ) + picture_Release( p_logo->p_pic ); + } + free( p_list->p_logo ); +} + +/** + * Go to the next logo and return its pointer. + */ +static logo_t *LogoListNext( logo_list_t *p_list, mtime_t i_date ) +{ + p_list->i_counter = ( p_list->i_counter + 1 ) % p_list->i_count; + + 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]; +} +