/*****************************************************************************
* vout_subpictures.c : subpicture management functions
*****************************************************************************
- * Copyright (C) 2000 VideoLAN
- * $Id: vout_subpictures.c,v 1.6 2002/01/21 00:52:07 sam Exp $
+ * Copyright (C) 2000-2004 VideoLAN
+ * $Id$
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Samuel Hocevar <sam@zoy.org>
+ * Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h> /* ENOMEM */
#include <stdlib.h> /* free() */
#include <stdio.h> /* sprintf() */
#include <string.h> /* strerror() */
-#include <videolan/vlc.h>
+#include <vlc/vlc.h>
-#include "video.h"
+#include "vlc_block.h"
+#include "vlc_video.h"
#include "video_output.h"
+#include "vlc_spu.h"
+#include "vlc_filter.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static void vout_RenderRGBSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu );
-static void vout_RenderYUVSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu );
+static void UpdateSPU ( spu_t *, vlc_object_t * );
+static int CropCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
-/* FIXME: fake palette - the real one has to be sought in the .IFO */
-static int p_palette[4] = { 0x0000, 0x0000, 0xffff, 0x8888 };
+static int spu_vaControlDefault( spu_t *, int, va_list );
-/*****************************************************************************
- * vout_DisplaySubPicture: display a subpicture unit
- *****************************************************************************
- * Remove the reservation flag of a subpicture, which will cause it to be ready
- * for display. The picture does not need to be locked, since it is ignored by
- * the output thread if is reserved.
- *****************************************************************************/
-void vout_DisplaySubPicture( vout_thread_t *p_vout, subpicture_t *p_subpic )
+static subpicture_t *sub_new_buffer( filter_t * );
+static void sub_del_buffer( filter_t *, subpicture_t * );
+static subpicture_t *spu_new_buffer( filter_t * );
+static void spu_del_buffer( filter_t *, subpicture_t * );
+static picture_t *spu_new_video_buffer( filter_t * );
+static void spu_del_video_buffer( filter_t *, picture_t * );
+
+struct filter_owner_sys_t
{
-#ifdef TRACE_VOUT
- char psz_start[ MSTRTIME_MAX_SIZE ]; /* buffer for date string */
- char psz_stop[ MSTRTIME_MAX_SIZE ]; /* buffer for date string */
-#endif
- int i_margin;
+ spu_t *p_spu;
+ int i_channel;
+};
-#ifdef DEBUG
- /* Check if status is valid */
- if( p_subpic->i_status != RESERVED_SUBPICTURE )
+/**
+ * Creates the subpicture unit
+ *
+ * \param p_this the parent object which creates the subpicture unit
+ */
+spu_t *__spu_Create( vlc_object_t *p_this )
+{
+ int i_index;
+ spu_t *p_spu = vlc_object_create( p_this, VLC_OBJECT_SPU );
+
+ for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++)
{
- intf_ErrMsg( "error: subpicture %p has invalid status #%d",
- p_subpic, p_subpic->i_status );
+ p_spu->p_subpicture[i_index].i_status = FREE_SUBPICTURE;
}
-#endif
- /* If the user requested an SPU margin, we force the position after
- * having checked that it was a valid value. */
- i_margin = main_GetIntVariable( VOUT_SPUMARGIN_VAR,
- VOUT_SPUMARGIN_DEFAULT );
+ p_spu->p_blend = NULL;
+ p_spu->p_text = NULL;
+ p_spu->p_scale = NULL;
+ p_spu->i_filter = 0;
+ p_spu->pf_control = spu_vaControlDefault;
+
+ /* Register the default subpicture channel */
+ p_spu->i_channel = 2;
+
+ vlc_mutex_init( p_this, &p_spu->subpicture_lock );
+
+ vlc_object_attach( p_spu, p_this );
+
+ return p_spu;
+}
- if( i_margin >= 0 )
+/**
+ * Initialise the subpicture unit
+ *
+ * \param p_spu the subpicture unit object
+ */
+int spu_Init( spu_t *p_spu )
+{
+ char *psz_filter, *psz_filter_orig;
+ vlc_value_t val;
+
+ /* If the user requested an SPU margin, we force the position. */
+ var_Create( p_spu, "spumargin", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_spu, "spumargin", &val );
+ p_spu->i_margin = val.i_int;
+
+ var_Create( p_spu, "sub-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+ var_Get( p_spu, "sub-filter", &val );
+ psz_filter = psz_filter_orig = val.psz_string;
+ while( psz_filter && *psz_filter )
{
- if( p_subpic->i_height + i_margin <= p_vout->output.i_height )
+ char *psz_parser = strchr( psz_filter, ',' );
+ if( !psz_parser ) psz_parser = strchr( psz_filter, ':' );
+
+ if( psz_parser ) *psz_parser++ = 0;
+
+ p_spu->pp_filter[p_spu->i_filter] =
+ vlc_object_create( p_spu, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_spu->pp_filter[p_spu->i_filter], p_spu );
+ p_spu->pp_filter[p_spu->i_filter]->pf_sub_buffer_new = sub_new_buffer;
+ p_spu->pp_filter[p_spu->i_filter]->pf_sub_buffer_del = sub_del_buffer;
+ p_spu->pp_filter[p_spu->i_filter]->p_module =
+ module_Need( p_spu->pp_filter[p_spu->i_filter],
+ "sub filter", psz_filter, 0 );
+ if( p_spu->pp_filter[p_spu->i_filter]->p_module )
+ {
+ filter_owner_sys_t *p_sys = malloc( sizeof(filter_owner_sys_t) );
+ p_spu->pp_filter[p_spu->i_filter]->p_owner = p_sys;
+ spu_Control( p_spu, SPU_CHANNEL_REGISTER, &p_sys->i_channel );
+ p_sys->p_spu = p_spu;
+ p_spu->i_filter++;
+ }
+ else
{
- p_subpic->i_y = p_vout->output.i_height
- - i_margin - p_subpic->i_height;
+ msg_Dbg( p_spu, "no sub filter found" );
+ vlc_object_detach( p_spu->pp_filter[p_spu->i_filter] );
+ vlc_object_destroy( p_spu->pp_filter[p_spu->i_filter] );
}
+
+ if( p_spu->i_filter >= 10 )
+ {
+ msg_Dbg( p_spu, "can't add anymore filters" );
+ }
+
+ psz_filter = psz_parser;
+ }
+ if( psz_filter_orig ) free( psz_filter_orig );
+
+ return VLC_EGENERIC;
+}
+
+/**
+ * Destroy the subpicture unit
+ *
+ * \param p_this the parent object which destroys the subpicture unit
+ */
+void spu_Destroy( spu_t *p_spu )
+{
+ int i_index;
+
+ vlc_object_detach( p_spu );
+
+ /* Destroy all remaining subpictures */
+ for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
+ {
+ if( p_spu->p_subpicture[i_index].i_status != FREE_SUBPICTURE )
+ {
+ spu_DestroySubpicture( p_spu, &p_spu->p_subpicture[i_index] );
+ }
+ }
+
+ if( p_spu->p_blend )
+ {
+ if( p_spu->p_blend->p_module )
+ module_Unneed( p_spu->p_blend, p_spu->p_blend->p_module );
+
+ vlc_object_detach( p_spu->p_blend );
+ vlc_object_destroy( p_spu->p_blend );
+ }
+
+ if( p_spu->p_text )
+ {
+ if( p_spu->p_text->p_module )
+ module_Unneed( p_spu->p_text, p_spu->p_text->p_module );
+
+ vlc_object_detach( p_spu->p_text );
+ vlc_object_destroy( p_spu->p_text );
+ }
+
+ if( p_spu->p_scale )
+ {
+ if( p_spu->p_scale->p_module )
+ module_Unneed( p_spu->p_scale, p_spu->p_scale->p_module );
+
+ vlc_object_detach( p_spu->p_scale );
+ vlc_object_destroy( p_spu->p_scale );
+ }
+
+ while( p_spu->i_filter-- )
+ {
+ module_Unneed( p_spu->pp_filter[p_spu->i_filter],
+ p_spu->pp_filter[p_spu->i_filter]->p_module );
+ free( p_spu->pp_filter[p_spu->i_filter]->p_owner );
+ vlc_object_detach( p_spu->pp_filter[p_spu->i_filter] );
+ vlc_object_destroy( p_spu->pp_filter[p_spu->i_filter] );
+ }
+
+ vlc_mutex_destroy( &p_spu->subpicture_lock );
+ vlc_object_destroy( p_spu );
+}
+
+/**
+ * Attach/Detach the SPU from any input
+ *
+ * \param p_this the object in which to destroy the subpicture unit
+ * \param b_attach to select attach or detach
+ */
+void spu_Attach( spu_t *p_spu, vlc_object_t *p_this, vlc_bool_t b_attach )
+{
+ vlc_object_t *p_input;
+
+ p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( !p_input ) return;
+
+ if( b_attach )
+ {
+ UpdateSPU( p_spu, VLC_OBJECT(p_input) );
+ var_AddCallback( p_input, "highlight", CropCallback, p_spu );
+ vlc_object_release( p_input );
+ }
+ else
+ {
+ /* Delete callback */
+ var_DelCallback( p_input, "highlight", CropCallback, p_spu );
+ vlc_object_release( p_input );
+ }
+}
+
+/**
+ * Create a subpicture region
+ *
+ * \param p_this vlc_object_t
+ * \param p_fmt the format that this subpicture region should have
+ */
+static void RegionPictureRelease( picture_t *p_pic )
+{
+ if( p_pic->p_data_orig ) free( p_pic->p_data_orig );
+}
+subpicture_region_t *__spu_CreateRegion( vlc_object_t *p_this,
+ video_format_t *p_fmt )
+{
+ subpicture_region_t *p_region = malloc( sizeof(subpicture_region_t) );
+ memset( p_region, 0, sizeof(subpicture_region_t) );
+ p_region->p_next = 0;
+ p_region->p_cache = 0;
+ p_region->fmt = *p_fmt;
+ p_region->psz_text = 0;
+
+ if( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') )
+ p_fmt->p_palette = p_region->fmt.p_palette =
+ malloc( sizeof(video_palette_t) );
+ else p_fmt->p_palette = p_region->fmt.p_palette = NULL;
+
+ p_region->picture.p_data_orig = 0;
+
+ if( p_fmt->i_chroma == VLC_FOURCC('T','E','X','T') ) return p_region;
+
+ vout_AllocatePicture( p_this, &p_region->picture, p_fmt->i_chroma,
+ p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
+
+ if( !p_region->picture.i_planes )
+ {
+ free( p_region );
+ free( p_fmt->p_palette );
+ return NULL;
+ }
+
+ p_region->picture.pf_release = RegionPictureRelease;
+
+ return p_region;
+}
+
+/**
+ * Destroy a subpicture region
+ *
+ * \param p_this vlc_object_t
+ * \param p_region the subpicture region to destroy
+ */
+void __spu_DestroyRegion( vlc_object_t *p_this, subpicture_region_t *p_region )
+{
+ if( !p_region ) return;
+ if( p_region->picture.pf_release )
+ p_region->picture.pf_release( &p_region->picture );
+ if( p_region->fmt.p_palette ) free( p_region->fmt.p_palette );
+ if( p_region->psz_text ) free( p_region->psz_text );
+ if( p_region->p_cache ) __spu_DestroyRegion( p_this, p_region->p_cache );
+ free( p_region );
+}
+
+/**
+ * Display a subpicture
+ *
+ * Remove the reservation flag of a subpicture, which will cause it to be
+ * ready for display.
+ * \param p_spu the subpicture unit object
+ * \param p_subpic the subpicture to display
+ */
+void spu_DisplaySubpicture( spu_t *p_spu, subpicture_t *p_subpic )
+{
+ /* Check if status is valid */
+ if( p_subpic->i_status != RESERVED_SUBPICTURE )
+ {
+ msg_Err( p_spu, "subpicture %p has invalid status #%d",
+ p_subpic, p_subpic->i_status );
}
/* Remove reservation flag */
p_subpic->i_status = READY_SUBPICTURE;
-#ifdef TRACE_VOUT
- /* Send subpicture information */
- intf_DbgMsg("subpicture %p: type=%d, begin date=%s, end date=%s",
- p_subpic, p_subpic->i_type,
- mstrtime( psz_start, p_subpic->i_start ),
- mstrtime( psz_stop, p_subpic->i_stop ) );
-#endif
+ if( p_subpic->i_channel == DEFAULT_CHAN )
+ {
+ p_subpic->i_channel = 0xFFFF;
+ spu_Control( p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
+ p_subpic->i_channel = DEFAULT_CHAN;
+ }
}
-/*****************************************************************************
- * vout_CreateSubPicture: allocate a subpicture in the video output heap.
- *****************************************************************************
- * This function create a reserved subpicture in the video output heap.
+/**
+ * Allocate a subpicture in the spu heap.
+ *
+ * This function create a reserved subpicture in the spu heap.
* A null pointer is returned if the function fails. This method provides an
* already allocated zone of memory in the spu data fields. It needs locking
* since several pictures can be created by several producers threads.
- *****************************************************************************/
-subpicture_t *vout_CreateSubPicture( vout_thread_t *p_vout, int i_type,
- int i_size )
+ * \param p_spu the subpicture unit in which to create the subpicture
+ * \return NULL on error, a reserved subpicture otherwise
+ */
+subpicture_t *spu_CreateSubpicture( spu_t *p_spu )
{
int i_subpic; /* subpicture index */
- subpicture_t * p_free_subpic = NULL; /* first free subpicture */
- subpicture_t * p_destroyed_subpic = NULL; /* first destroyed subpic */
+ subpicture_t * p_subpic = NULL; /* first free subpicture */
/* Get lock */
- vlc_mutex_lock( &p_vout->subpicture_lock );
+ vlc_mutex_lock( &p_spu->subpicture_lock );
/*
* Look for an empty place
*/
+ p_subpic = NULL;
for( i_subpic = 0; i_subpic < VOUT_MAX_SUBPICTURES; i_subpic++ )
{
- if( p_vout->p_subpicture[i_subpic].i_status == DESTROYED_SUBPICTURE )
- {
- /* Subpicture is marked for destruction, but is still allocated */
- if( (p_vout->p_subpicture[i_subpic].i_type == i_type) &&
- (p_vout->p_subpicture[i_subpic].i_size >= i_size) )
- {
- /* Memory size do match or is smaller : memory will not be
- * reallocated, and function can end immediately - this is
- * the best possible case, since no memory allocation needs
- * to be done */
- p_vout->p_subpicture[i_subpic].i_status = RESERVED_SUBPICTURE;
-#ifdef TRACE_VOUT
- intf_DbgMsg("subpicture %p (in destroyed subpicture slot)",
- &p_vout->p_subpicture[i_subpic] );
-#endif
- vlc_mutex_unlock( &p_vout->subpicture_lock );
- return( &p_vout->p_subpicture[i_subpic] );
- }
- else if( p_destroyed_subpic == NULL )
- {
- /* Memory size do not match, but subpicture index will be kept
- * in case we find no other place */
- p_destroyed_subpic = &p_vout->p_subpicture[i_subpic];
- }
- }
- else if( (p_free_subpic == NULL) &&
- (p_vout->p_subpicture[i_subpic].i_status == FREE_SUBPICTURE ))
+ if( p_spu->p_subpicture[i_subpic].i_status == FREE_SUBPICTURE )
{
/* Subpicture is empty and ready for allocation */
- p_free_subpic = &p_vout->p_subpicture[i_subpic];
+ p_subpic = &p_spu->p_subpicture[i_subpic];
+ p_spu->p_subpicture[i_subpic].i_status = RESERVED_SUBPICTURE;
+ break;
}
}
- /* If no free subpictures are available, use a destroyed subpicture */
- if( (p_free_subpic == NULL) && (p_destroyed_subpic != NULL ) )
+ /* If no free subpicture could be found */
+ if( p_subpic == NULL )
{
- /* No free subpicture or matching destroyed subpictures have been
- * found, but a destroyed subpicture is still avalaible */
- free( p_destroyed_subpic->p_data );
- p_free_subpic = p_destroyed_subpic;
+ msg_Err( p_spu, "subpicture heap is full" );
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return NULL;
}
- /*
- * Prepare subpicture
- */
- if( p_free_subpic != NULL )
- {
- /* Allocate memory */
- switch( i_type )
- {
- case TEXT_SUBPICTURE: /* text subpicture */
- p_free_subpic->p_data = memalign( 16, i_size + 1 );
- break;
- case DVD_SUBPICTURE: /* DVD subpicture unit */
- p_free_subpic->p_data = memalign( 16, i_size );
- break;
-#ifdef DEBUG
- default:
- intf_ErrMsg("error: unknown subpicture type %d", i_type );
- p_free_subpic->p_data = NULL;
- break;
-#endif
- }
+ /* Copy subpicture information, set some default values */
+ memset( p_subpic, 0, sizeof(subpicture_t) );
+ p_subpic->i_status = RESERVED_SUBPICTURE;
+ p_subpic->b_absolute = VLC_TRUE;
+ p_subpic->pf_render = 0;
+ p_subpic->pf_destroy = 0;
+ p_subpic->p_sys = 0;
- if( p_free_subpic->p_data != NULL )
- {
- /* Copy subpicture information, set some default values */
- p_free_subpic->i_type = i_type;
- p_free_subpic->i_status = RESERVED_SUBPICTURE;
- p_free_subpic->i_size = i_size;
- p_free_subpic->i_x = 0;
- p_free_subpic->i_y = 0;
- p_free_subpic->i_width = 0;
- p_free_subpic->i_height = 0;
- p_free_subpic->i_horizontal_align = CENTER_RALIGN;
- p_free_subpic->i_vertical_align = CENTER_RALIGN;
- }
- else
- {
- /* Memory allocation failed : set subpicture as empty */
- p_free_subpic->i_type = EMPTY_SUBPICTURE;
- p_free_subpic->i_status = FREE_SUBPICTURE;
- p_free_subpic = NULL;
- intf_ErrMsg( "vout error: spu allocation returned %s",
- strerror( ENOMEM ) );
- }
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
-#ifdef TRACE_VOUT
- intf_DbgMsg("subpicture %p (in free subpicture slot)", p_free_subpic );
-#endif
- vlc_mutex_unlock( &p_vout->subpicture_lock );
- return( p_free_subpic );
- }
+ p_subpic->pf_create_region = __spu_CreateRegion;
+ p_subpic->pf_destroy_region = __spu_DestroyRegion;
- /* No free or destroyed subpicture could be found */
- intf_DbgMsg( "warning: subpicture heap is full" );
- vlc_mutex_unlock( &p_vout->subpicture_lock );
- return( NULL );
+ return p_subpic;
}
-/*****************************************************************************
- * vout_DestroySubPicture: remove a subpicture from the heap
- *****************************************************************************
+/**
+ * Remove a subpicture from the heap
+ *
* This function frees a previously reserved subpicture.
* It is meant to be used when the construction of a picture aborted.
* This function does not need locking since reserved subpictures are ignored
- * by the output thread.
- *****************************************************************************/
-void vout_DestroySubPicture( vout_thread_t *p_vout, subpicture_t *p_subpic )
+ * by the spu.
+ */
+void spu_DestroySubpicture( spu_t *p_spu, subpicture_t *p_subpic )
{
-#ifdef DEBUG
- /* Check if status is valid */
- if( ( p_subpic->i_status != RESERVED_SUBPICTURE )
- && ( p_subpic->i_status != READY_SUBPICTURE ) )
- {
- intf_ErrMsg("error: subpicture %p has invalid status %d",
- p_subpic, p_subpic->i_status );
- }
-#endif
+ /* Get lock */
+ vlc_mutex_lock( &p_spu->subpicture_lock );
- p_subpic->i_status = DESTROYED_SUBPICTURE;
+ /* There can be race conditions so we need to check the status */
+ if( p_subpic->i_status == FREE_SUBPICTURE )
+ {
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return;
+ }
-#ifdef TRACE_VOUT
- intf_DbgMsg("subpicture %p", p_subpic);
-#endif
+ /* Check if status is valid */
+ if( ( p_subpic->i_status != RESERVED_SUBPICTURE )
+ && ( p_subpic->i_status != READY_SUBPICTURE ) )
+ {
+ msg_Err( p_spu, "subpicture %p has invalid status %d",
+ p_subpic, p_subpic->i_status );
+ }
+
+ while( p_subpic->p_region )
+ {
+ subpicture_region_t *p_region = p_subpic->p_region;
+ p_subpic->p_region = p_region->p_next;
+ spu_DestroyRegion( p_spu, p_region );
+ }
+
+ if( p_subpic->pf_destroy )
+ {
+ p_subpic->pf_destroy( p_subpic );
+ }
+
+ p_subpic->i_status = FREE_SUBPICTURE;
+
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
}
/*****************************************************************************
- * vout_RenderSubPictures: render a subpicture list
+ * spu_RenderSubpictures: render a subpicture list
*****************************************************************************
- * This function renders a sub picture unit.
+ * This function renders all sub picture units in the list.
*****************************************************************************/
-void vout_RenderSubPictures( vout_thread_t *p_vout, picture_t *p_pic,
- subpicture_t *p_subpic )
+void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
+ picture_t *p_pic_dst, picture_t *p_pic_src,
+ subpicture_t *p_subpic,
+ int i_scale_width_orig, int i_scale_height_orig )
{
-#if 0
- p_vout_font_t p_font; /* text font */
- int i_width, i_height; /* subpicture dimensions */
-#endif
+ /* Get lock */
+ vlc_mutex_lock( &p_spu->subpicture_lock );
- while( p_subpic != NULL )
+ /* Check i_status again to make sure spudec hasn't destroyed the subpic */
+ while( p_subpic != NULL && p_subpic->i_status != FREE_SUBPICTURE )
{
- switch( p_subpic->i_type )
+ subpicture_region_t *p_region = p_subpic->p_region;
+ int i_scale_width, i_scale_height;
+
+ /* Load the blending module */
+ if( !p_spu->p_blend && p_region )
{
- case DVD_SUBPICTURE: /* DVD subpicture unit */
- vout_RenderRGBSPU( p_vout, p_pic, p_subpic );
- vout_RenderYUVSPU( p_vout, p_pic, p_subpic );
- break;
+ p_spu->p_blend = vlc_object_create( p_spu, sizeof(filter_t) );
+ vlc_object_attach( p_spu->p_blend, p_spu );
+ p_spu->p_blend->fmt_out.video.i_x_offset =
+ p_spu->p_blend->fmt_out.video.i_y_offset = 0;
+ p_spu->p_blend->fmt_out.video.i_aspect = p_fmt->i_aspect;
+ p_spu->p_blend->fmt_out.video.i_chroma = p_fmt->i_chroma;
-#if 0
- case TEXT_SUBPICTURE: /* single line text */
- /* Select default font if not specified */
- p_font = p_subpic->type.text.p_font;
- if( p_font == NULL )
+ p_spu->p_blend->fmt_in.video.i_chroma = VLC_FOURCC('Y','U','V','P');
+
+ p_spu->p_blend->p_module =
+ module_Need( p_spu->p_blend, "video blending", 0, 0 );
+ }
+
+ /* Load the text rendering module */
+ if( !p_spu->p_text && p_region )
+ {
+ p_spu->p_text = vlc_object_create( p_spu, sizeof(filter_t) );
+ vlc_object_attach( p_spu->p_text, p_spu );
+
+ p_spu->p_text->fmt_out.video.i_width =
+ p_spu->p_text->fmt_out.video.i_visible_width =
+ p_fmt->i_width;
+ p_spu->p_text->fmt_out.video.i_height =
+ p_spu->p_text->fmt_out.video.i_visible_height =
+ p_fmt->i_height;
+
+ p_spu->p_text->pf_sub_buffer_new = spu_new_buffer;
+ p_spu->p_text->pf_sub_buffer_del = spu_del_buffer;
+
+ p_spu->p_text->p_module =
+ module_Need( p_spu->p_text, "text renderer", 0, 0 );
+ }
+
+ i_scale_width = i_scale_width_orig;
+ i_scale_height = i_scale_height_orig;
+
+ if( p_subpic->i_original_picture_width &&
+ p_subpic->i_original_picture_height )
+ {
+ i_scale_width = i_scale_width * p_fmt->i_width /
+ p_subpic->i_original_picture_width;
+ i_scale_height = i_scale_height * p_fmt->i_height /
+ p_subpic->i_original_picture_height;
+ }
+
+ /* Load the scaling module */
+ if( !p_spu->p_scale && (i_scale_width != 1000 ||
+ i_scale_height != 1000) )
+ {
+ p_spu->p_scale = vlc_object_create( p_spu, VLC_OBJECT_FILTER );
+ vlc_object_attach( p_spu->p_scale, p_spu );
+ p_spu->p_scale->fmt_out.video.i_chroma =
+ p_spu->p_scale->fmt_in.video.i_chroma =
+ VLC_FOURCC('Y','U','V','P');
+ p_spu->p_scale->fmt_in.video.i_width =
+ p_spu->p_scale->fmt_in.video.i_height = 32;
+ p_spu->p_scale->fmt_out.video.i_width =
+ p_spu->p_scale->fmt_out.video.i_height = 16;
+
+ p_spu->p_scale->pf_vout_buffer_new = spu_new_video_buffer;
+ p_spu->p_scale->pf_vout_buffer_del = spu_del_video_buffer;
+ p_spu->p_scale->p_module =
+ module_Need( p_spu->p_scale, "video filter2", 0, 0 );
+ }
+
+ if( p_subpic->pf_render )
+ {
+ /* HACK to remove when the ogt subpic decoder is gone */
+ if( p_spu->p_parent &&
+ p_spu->p_parent->i_object_type == VLC_OBJECT_VOUT )
+ {
+ vout_thread_t *p_vout = (vout_thread_t *)p_spu->p_parent;
+ p_subpic->pf_render( p_vout, p_pic_dst, p_subpic );
+ }
+ }
+ else while( p_region && p_spu->p_blend &&
+ p_spu->p_blend->pf_video_blend )
+ {
+ int i_x_offset = p_region->i_x + p_subpic->i_x;
+ int i_y_offset = p_region->i_y + p_subpic->i_y;
+
+ if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
{
- p_font = p_vout->p_default_font;
+ if( p_spu->p_text && p_spu->p_text->p_module &&
+ p_spu->p_text->pf_render_string )
+ {
+ /* TODO: do it in a less hacky way
+ * (modify text renderer API) */
+ subpicture_t *p_subpic_tmp;
+ subpicture_region_t tmp_region;
+ block_t *p_new_block =
+ block_New( p_spu, strlen(p_region->psz_text) + 1 );
+
+ if( p_new_block )
+ {
+ memcpy( p_new_block->p_buffer, p_region->psz_text,
+ p_new_block->i_buffer );
+ p_new_block->i_pts = p_new_block->i_dts =
+ p_subpic->i_start;
+ p_new_block->i_length =
+ p_subpic->i_start - p_subpic->i_stop;
+ p_subpic_tmp = p_spu->p_text->pf_render_string(
+ p_spu->p_text, p_new_block );
+
+ if( p_subpic_tmp )
+ {
+ tmp_region = *p_region;
+ *p_region = *p_subpic_tmp->p_region;
+ p_region->p_next = tmp_region.p_next;
+ *p_subpic_tmp->p_region = tmp_region;
+ p_spu->p_text->pf_sub_buffer_del( p_spu->p_text,
+ p_subpic_tmp );
+ }
+ }
+ }
}
- /* Compute text size (width and height fields are ignored)
- * and print it */
- vout_TextSize( p_font, p_subpic->type.text.i_style,
- p_subpic->p_data, &i_width, &i_height );
- if( !Align( p_vout, &p_subpic->i_x, &p_subpic->i_y,
- i_width, i_height, p_subpic->i_horizontal_align,
- p_subpic->i_vertical_align ) )
+ /* Force palette if requested */
+ if( p_spu->b_force_alpha && VLC_FOURCC('Y','U','V','P') ==
+ p_region->fmt.i_chroma )
{
- vout_Print( p_font,
- p_vout->p_buffer[ p_vout->i_buffer_index ].p_data +
- p_subpic->i_x * p_vout->i_bytes_per_pixel +
- p_subpic->i_y * p_vout->i_bytes_per_line,
- p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line, p_subpic->type.text.i_char_color,
- p_subpic->type.text.i_border_color,
- p_subpic->type.text.i_bg_color,
- p_subpic->type.text.i_style, p_subpic->p_data, 100 );
- SetBufferArea( p_vout, p_subpic->i_x, p_subpic->i_y,
- i_width, i_height );
+ p_region->fmt.p_palette->palette[0][3] = p_spu->pi_alpha[0];
+ p_region->fmt.p_palette->palette[1][3] = p_spu->pi_alpha[1];
+ p_region->fmt.p_palette->palette[2][3] = p_spu->pi_alpha[2];
+ p_region->fmt.p_palette->palette[3][3] = p_spu->pi_alpha[3];
}
- break;
-#endif
- default:
-#ifdef DEBUG
- intf_ErrMsg( "error: unknown subpicture %p type %d",
- p_subpic, p_subpic->i_type );
-#endif
- break;
+ /* Scale SPU if necessary */
+ if( p_region->p_cache )
+ {
+ if( i_scale_width * p_region->fmt.i_width / 1000 !=
+ p_region->p_cache->fmt.i_width ||
+ i_scale_height * p_region->fmt.i_height / 1000 !=
+ p_region->p_cache->fmt.i_height )
+ {
+ p_subpic->pf_destroy_region( VLC_OBJECT(p_spu),
+ p_region->p_cache );
+ p_region->p_cache = 0;
+ }
+ }
+ if( (i_scale_width != 1000 || i_scale_height != 1000) &&
+ p_spu->p_scale && !p_region->p_cache )
+ {
+ picture_t *p_pic;
+
+ p_spu->p_scale->fmt_in.video = p_region->fmt;
+ p_spu->p_scale->fmt_out.video = p_region->fmt;
+
+ p_region->p_cache =
+ p_subpic->pf_create_region( VLC_OBJECT(p_spu),
+ &p_spu->p_scale->fmt_out.video );
+ if( p_spu->p_scale->fmt_out.video.p_palette )
+ *p_spu->p_scale->fmt_out.video.p_palette =
+ *p_region->fmt.p_palette;
+ p_region->p_cache->p_next = p_region->p_next;
+
+ vout_CopyPicture( p_spu, &p_region->p_cache->picture,
+ &p_region->picture );
+
+ p_spu->p_scale->fmt_out.video.i_width =
+ p_region->fmt.i_width * i_scale_width / 1000;
+ p_spu->p_scale->fmt_out.video.i_visible_width =
+ p_region->fmt.i_visible_width * i_scale_width / 1000;
+ p_spu->p_scale->fmt_out.video.i_height =
+ p_region->fmt.i_height * i_scale_height / 1000;
+ p_spu->p_scale->fmt_out.video.i_visible_height =
+ p_region->fmt.i_visible_height * i_scale_height / 1000;
+ p_region->p_cache->fmt = p_spu->p_scale->fmt_out.video;
+ p_region->p_cache->i_x = p_region->i_x * i_scale_width / 1000;
+ p_region->p_cache->i_y = p_region->i_y * i_scale_height / 1000;
+
+ p_pic = p_spu->p_scale->pf_video_filter(
+ p_spu->p_scale, &p_region->p_cache->picture );
+ if( p_pic )
+ {
+ picture_t p_pic_tmp = p_region->p_cache->picture;
+ p_region->p_cache->picture = *p_pic;
+ *p_pic = p_pic_tmp;
+ free( p_pic );
+ }
+ }
+ if( (i_scale_width != 1000 || i_scale_height != 1000) &&
+ p_spu->p_scale && p_region->p_cache )
+ {
+ p_region = p_region->p_cache;
+ }
+
+ if( p_subpic->i_flags & SUBPICTURE_ALIGN_BOTTOM )
+ {
+ i_y_offset = p_fmt->i_height - p_region->fmt.i_height -
+ p_subpic->i_y;
+ }
+ else if ( !(p_subpic->i_flags & SUBPICTURE_ALIGN_TOP) )
+ {
+ i_y_offset = p_fmt->i_height / 2 - p_region->fmt.i_height / 2;
+ }
+
+ if( p_subpic->i_flags & SUBPICTURE_ALIGN_RIGHT )
+ {
+ i_x_offset = p_fmt->i_width - p_region->fmt.i_width -
+ p_subpic->i_x;
+ }
+ else if ( !(p_subpic->i_flags & SUBPICTURE_ALIGN_LEFT) )
+ {
+ i_x_offset = p_fmt->i_width / 2 - p_region->fmt.i_width / 2;
+ }
+
+ if( p_subpic->b_absolute )
+ {
+ i_x_offset = p_region->i_x +
+ p_subpic->i_x * i_scale_width / 1000;
+ i_y_offset = p_region->i_y +
+ p_subpic->i_y * i_scale_height / 1000;
+
+ if( p_spu->i_margin >= 0 )
+ {
+ if( p_subpic->i_height + (unsigned int)p_spu->i_margin <=
+ p_fmt->i_height )
+ {
+ i_y_offset = p_fmt->i_height -
+ p_spu->i_margin - p_subpic->i_height;
+ }
+ }
+ }
+
+ p_spu->p_blend->fmt_in.video = p_region->fmt;
+
+ /* Force cropping if requested */
+ if( p_spu->b_force_crop )
+ {
+ video_format_t *p_fmt = &p_spu->p_blend->fmt_in.video;
+ int i_crop_x = p_spu->i_crop_x * i_scale_width / 1000;
+ int i_crop_y = p_spu->i_crop_y * i_scale_height / 1000;
+ int i_crop_width = p_spu->i_crop_width * i_scale_width / 1000;
+ int i_crop_height = p_spu->i_crop_height * i_scale_height/1000;
+
+ /* Find the intersection */
+ if( i_crop_x + i_crop_width <= i_x_offset ||
+ i_x_offset + (int)p_fmt->i_visible_width < i_crop_x ||
+ i_crop_y + i_crop_height <= i_y_offset ||
+ i_y_offset + (int)p_fmt->i_visible_height < i_crop_y )
+ {
+ /* No intersection */
+ p_fmt->i_visible_width = p_fmt->i_visible_height = 0;
+ }
+ else
+ {
+ int i_x, i_y, i_x_end, i_y_end;
+ i_x = __MAX( i_crop_x, i_x_offset );
+ i_y = __MAX( i_crop_y, i_y_offset );
+ i_x_end = __MIN( i_crop_x + i_crop_width,
+ i_x_offset + (int)p_fmt->i_visible_width );
+ i_y_end = __MIN( i_crop_y + i_crop_height,
+ i_y_offset + (int)p_fmt->i_visible_height );
+
+ p_fmt->i_x_offset = i_x - i_x_offset;
+ p_fmt->i_y_offset = i_y - i_y_offset;
+ p_fmt->i_visible_width = i_x_end - i_x;
+ p_fmt->i_visible_height = i_y_end - i_y;
+
+ i_x_offset = i_x;
+ i_y_offset = i_y;
+ }
+ }
+
+ /* Update the output picture size */
+ p_spu->p_blend->fmt_out.video.i_width =
+ p_spu->p_blend->fmt_out.video.i_visible_width =
+ p_fmt->i_width;
+ p_spu->p_blend->fmt_out.video.i_height =
+ p_spu->p_blend->fmt_out.video.i_visible_height =
+ p_fmt->i_height;
+
+ p_spu->p_blend->pf_video_blend( p_spu->p_blend, p_pic_dst,
+ p_pic_src, &p_region->picture, i_x_offset, i_y_offset, 255 );
+
+ p_region = p_region->p_next;
}
p_subpic = p_subpic->p_next;
}
+
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
}
/*****************************************************************************
- * vout_SortSubPictures: find the subpictures to display
+ * spu_SortSubpictures: find the subpictures to display
*****************************************************************************
* This function parses all subpictures and decides which ones need to be
* displayed. This operation does not need lock, since only READY_SUBPICTURE
* to be removed if a newer one is available), which makes it a lot
* more difficult to guess if a subpicture has to be rendered or not.
*****************************************************************************/
-subpicture_t *vout_SortSubPictures( vout_thread_t *p_vout,
- mtime_t display_date )
+subpicture_t *spu_SortSubpictures( spu_t *p_spu, mtime_t display_date )
{
- int i_index;
- subpicture_t *p_subpic = NULL;
- subpicture_t *p_ephemer = NULL;
- mtime_t ephemer_date = 0;
+ int i_index, i_channel;
+ subpicture_t *p_subpic = NULL;
+ subpicture_t *p_ephemer;
+ mtime_t ephemer_date;
+
+ /* Run subpicture filters */
+ for( i_index = 0; i_index < p_spu->i_filter; i_index++ )
+ {
+ subpicture_t *p_subpic_filter;
+ p_subpic_filter = p_spu->pp_filter[i_index]->
+ pf_sub_filter( p_spu->pp_filter[i_index], display_date );
+ if( p_subpic_filter )
+ {
+ spu_DisplaySubpicture( p_spu, p_subpic_filter );
+ }
+ }
/* We get an easily parsable chained list of subpictures which
* ends with NULL since p_subpic was initialized to NULL. */
- for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
+ for( i_channel = 0; i_channel < p_spu->i_channel; i_channel++ )
{
- if( p_vout->p_subpicture[i_index].i_status == READY_SUBPICTURE )
+ p_ephemer = 0;
+ ephemer_date = 0;
+
+ for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
{
- /* If it is a DVD subpicture, check its date */
- if( p_vout->p_subpicture[i_index].i_type == DVD_SUBPICTURE )
+ if( p_spu->p_subpicture[i_index].i_channel != i_channel ||
+ p_spu->p_subpicture[i_index].i_status != READY_SUBPICTURE )
{
- if( display_date > p_vout->p_subpicture[i_index].i_stop )
- {
- /* Too late, destroy the subpic */
- vout_DestroySubPicture( p_vout,
- &p_vout->p_subpicture[i_index] );
- continue;
- }
+ continue;
+ }
- if( display_date < p_vout->p_subpicture[i_index].i_start )
- {
- /* Too early, come back next monday */
- continue;
- }
+ if( display_date &&
+ display_date < p_spu->p_subpicture[i_index].i_start )
+ {
+ /* Too early, come back next monday */
+ continue;
+ }
- /* If this is an ephemer subpic, see if it's the
- * youngest we have */
- if( p_vout->p_subpicture[i_index].b_ephemer )
- {
- if( p_ephemer == NULL )
- {
- p_ephemer = &p_vout->p_subpicture[i_index];
- continue;
- }
+ if( p_spu->p_subpicture[i_index].i_start > ephemer_date )
+ ephemer_date = p_spu->p_subpicture[i_index].i_start;
- if( p_vout->p_subpicture[i_index].i_start
- < p_ephemer->i_start )
- {
- /* Link the previous ephemer subpicture and
- * replace it with the current one */
- p_ephemer->p_next = p_subpic;
- p_subpic = p_ephemer;
- p_ephemer = &p_vout->p_subpicture[i_index];
-
- /* If it's the 2nd youngest subpicture,
- * register its date */
- if( !ephemer_date
- || ephemer_date > p_subpic->i_start )
- {
- ephemer_date = p_subpic->i_start;
- }
+ if( display_date > p_spu->p_subpicture[i_index].i_stop &&
+ ( !p_spu->p_subpicture[i_index].b_ephemer ||
+ p_spu->p_subpicture[i_index].i_stop >
+ p_spu->p_subpicture[i_index].i_start ) )
+ {
+ /* Too late, destroy the subpic */
+ spu_DestroySubpicture( p_spu, &p_spu->p_subpicture[i_index] );
+ continue;
+ }
- continue;
- }
- }
+ /* If this is an ephemer subpic, add it to our list */
+ if( p_spu->p_subpicture[i_index].b_ephemer )
+ {
+ p_spu->p_subpicture[i_index].p_next = p_ephemer;
+ p_ephemer = &p_spu->p_subpicture[i_index];
+
+ continue;
+ }
- p_vout->p_subpicture[i_index].p_next = p_subpic;
- p_subpic = &p_vout->p_subpicture[i_index];
+ p_spu->p_subpicture[i_index].p_next = p_subpic;
+ p_subpic = &p_spu->p_subpicture[i_index];
+ }
- /* If it's the 2nd youngest subpicture, register its date */ if( !ephemer_date || ephemer_date > p_subpic->i_start )
- {
- ephemer_date = p_subpic->i_start;
- }
+ /* If we found ephemer subpictures, check if they have to be
+ * displayed or destroyed */
+ while( p_ephemer != NULL )
+ {
+ subpicture_t *p_tmp = p_ephemer;
+ p_ephemer = p_ephemer->p_next;
+
+ if( p_tmp->i_start < ephemer_date )
+ {
+ /* Ephemer subpicture has lived too long */
+ spu_DestroySubpicture( p_spu, p_tmp );
}
- /* If it's not a DVD subpicture, just register it */
else
{
- p_vout->p_subpicture[i_index].p_next = p_subpic;
- p_subpic = &p_vout->p_subpicture[i_index];
+ /* Ephemer subpicture can still live a bit */
+ p_tmp->p_next = p_subpic;
+ p_subpic = p_tmp;
}
}
}
- /* If we found an ephemer subpicture, check if it has to be
- * displayed */
- if( p_ephemer != NULL )
- {
- if( p_ephemer->i_start < ephemer_date )
- {
- /* Ephemer subpicture has lived too long */
- vout_DestroySubPicture( p_vout, p_ephemer );
- }
- else
- {
- /* Ephemer subpicture can still live a bit */
- p_ephemer->p_next = p_subpic;
- return p_ephemer;
- }
- }
-
return p_subpic;
}
/*****************************************************************************
- * vout_RenderRGBSPU: draw an SPU on a picture
+ * SpuClearChannel: clear an spu channel
*****************************************************************************
- * This is a fast implementation of the subpicture drawing code. The data
- * has been preprocessed once in spu_decoder.c, so we don't need to parse the
- * RLE buffer again and again. Most sanity checks are done in spu_decoder.c
- * so that this routine can be as fast as possible.
+ * This function destroys the subpictures which belong to the spu channel
+ * corresponding to i_channel_id.
*****************************************************************************/
-static void vout_RenderRGBSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu )
+static void SpuClearChannel( spu_t *p_spu, int i_channel )
{
-#if 0
- int i_len, i_color;
- u16 *p_source = (u16 *)p_spu->p_data;
-
- int i_xscale = ( p_buffer->i_pic_width << 6 ) / p_pic->i_width;
- int i_yscale = ( p_buffer->i_pic_height << 6 ) / p_pic->i_height;
-
- int i_width = p_spu->i_width * i_xscale;
- int i_height = p_spu->i_height * i_yscale;
+ int i_subpic; /* subpicture index */
+ subpicture_t *p_subpic = NULL; /* first free subpicture */
- int i_x, i_y, i_ytmp, i_yreal, i_ynext;
+ vlc_mutex_lock( &p_spu->subpicture_lock );
- u8 *p_dest = p_buffer->p_data + ( i_width >> 6 ) * i_bytes_per_pixel
- /* Add the picture coordinates and the SPU coordinates */
- + ( p_buffer->i_pic_x + ((p_spu->i_x * i_xscale) >> 6))
- * i_bytes_per_pixel
- + ( p_buffer->i_pic_y + ((p_spu->i_y * i_yscale) >> 6))
- * i_bytes_per_line;
-
- /* Draw until we reach the bottom of the subtitle */
- i_y = 0;
-
- while( i_y < i_height )
+ for( i_subpic = 0; i_subpic < VOUT_MAX_SUBPICTURES; i_subpic++ )
{
- i_ytmp = i_y >> 6;
- i_y += i_yscale;
-
- /* Check whether we need to draw one line or more than one */
- if( i_ytmp + 1 >= ( i_y >> 6 ) )
+ p_subpic = &p_spu->p_subpicture[i_subpic];
+ if( p_subpic->i_status == FREE_SUBPICTURE
+ || ( p_subpic->i_status != RESERVED_SUBPICTURE
+ && p_subpic->i_status != READY_SUBPICTURE ) )
{
- /* Just one line : we precalculate i_y >> 6 */
- i_yreal = i_bytes_per_line * i_ytmp;
-
- /* Draw until we reach the end of the line */
- i_x = i_width;
+ continue;
+ }
- while( i_x )
+ if( p_subpic->i_channel == i_channel )
+ {
+ while( p_subpic->p_region )
{
- /* Get the RLE part */
- i_color = *p_source & 0x3;
+ subpicture_region_t *p_region = p_subpic->p_region;
+ p_subpic->p_region = p_region->p_next;
+ spu_DestroyRegion( p_spu, p_region );
+ }
- /* Draw the line */
- if( i_color )
- {
- i_len = i_xscale * ( *p_source++ >> 2 );
+ if( p_subpic->pf_destroy ) p_subpic->pf_destroy( p_subpic );
+ p_subpic->i_status = FREE_SUBPICTURE;
+ }
+ }
- memset( p_dest - i_bytes_per_pixel * ( i_x >> 6 )
- + i_yreal,
- p_palette[ i_color ],
- i_bytes_per_pixel * ( ( i_len >> 6 ) + 1 ) );
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+}
- i_x -= i_len;
- continue;
- }
+/*****************************************************************************
+ * spu_ControlDefault: default methods for the subpicture unit control.
+ *****************************************************************************/
+static int spu_vaControlDefault( spu_t *p_spu, int i_query, va_list args )
+{
+ int *pi, i;
- i_x -= i_xscale * ( *p_source++ >> 2 );
- }
- }
- else
- {
- i_yreal = i_bytes_per_line * i_ytmp;
- i_ynext = i_bytes_per_line * i_y >> 6;
+ switch( i_query )
+ {
+ case SPU_CHANNEL_REGISTER:
+ pi = (int *)va_arg( args, int * );
+ if( pi ) *pi = p_spu->i_channel++;
+ msg_Dbg( p_spu, "Registering subpicture channel, ID: %i",
+ p_spu->i_channel - 1 );
+ break;
+
+ case SPU_CHANNEL_CLEAR:
+ i = (int)va_arg( args, int );
+ SpuClearChannel( p_spu, i );
+ break;
+
+ default:
+ msg_Dbg( p_spu, "control query not supported" );
+ return VLC_EGENERIC;
+ }
- /* Draw until we reach the end of the line */
- i_x = i_width;
+ return VLC_SUCCESS;
+}
- while( i_x )
- {
- /* Get the RLE part */
- i_color = *p_source & 0x3;
+/*****************************************************************************
+ * Object variables callbacks
+ *****************************************************************************/
- /* Draw as many lines as needed */
- if( i_color )
- {
- i_len = i_xscale * ( *p_source++ >> 2 );
+/*****************************************************************************
+ * UpdateSPU: update subpicture settings
+ *****************************************************************************
+ * This function is called from CropCallback and at initialization time, to
+ * retrieve crop information from the input.
+ *****************************************************************************/
+static void UpdateSPU( spu_t *p_spu, vlc_object_t *p_object )
+{
+ vlc_value_t val;
- for( i_ytmp = i_yreal ;
- i_ytmp < i_ynext ;
- i_ytmp += i_bytes_per_line )
- {
- memset( p_dest - i_bytes_per_pixel * ( i_x >> 6 )
- + i_ytmp,
- p_palette[ i_color ],
- i_bytes_per_pixel * ( ( i_len >> 6 ) + 1 ) );
- }
+ p_spu->b_force_alpha = VLC_FALSE;
+ p_spu->b_force_crop = VLC_FALSE;
- i_x -= i_len;
- continue;
- }
+ if( var_Get( p_object, "highlight", &val ) || !val.b_bool ) return;
- i_x -= i_xscale * ( *p_source++ >> 2 );
- }
+ p_spu->b_force_crop = VLC_TRUE;
+ var_Get( p_object, "x-start", &val );
+ p_spu->i_crop_x = val.i_int;
+ var_Get( p_object, "y-start", &val );
+ p_spu->i_crop_y = val.i_int;
+ var_Get( p_object, "x-end", &val );
+ p_spu->i_crop_width = val.i_int - p_spu->i_crop_x;
+ var_Get( p_object, "y-end", &val );
+ p_spu->i_crop_height = val.i_int - p_spu->i_crop_y;
+
+#if 0
+ if( var_Get( p_object, "color", &val ) == VLC_SUCCESS )
+ {
+ int i;
+ for( i = 0; i < 4; i++ )
+ {
+ p_spu->pi_color[i] = ((uint8_t *)val.p_address)[i];
}
}
#endif
+
+ if( var_Get( p_object, "contrast", &val ) == VLC_SUCCESS )
+ {
+ int i;
+ for( i = 0; i < 4; i++ )
+ {
+ p_spu->pi_alpha[i] = ((uint8_t *)val.p_address)[i];
+ p_spu->pi_alpha[i] = p_spu->pi_alpha[i] == 0xf ?
+ 0xff : p_spu->pi_alpha[i] << 4;
+ }
+ p_spu->b_force_alpha = VLC_TRUE;
+ }
+
+ msg_Dbg( p_object, "crop: %i,%i,%i,%i, alpha: %i",
+ p_spu->i_crop_x, p_spu->i_crop_y,
+ p_spu->i_crop_width, p_spu->i_crop_height, p_spu->b_force_alpha );
}
/*****************************************************************************
- * vout_RenderYUVSPU: draw an SPU on an YUV overlay
+ * CropCallback: called when the highlight properties are changed
*****************************************************************************
- * This is a fast implementation of the subpicture drawing code. The data
- * has been preprocessed once in spu_decoder.c, so we don't need to parse the
- * RLE buffer again and again. Most sanity checks are done in spu_decoder.c
- * so that this routine can be as fast as possible.
+ * This callback is called from the input thread when we need cropping
+ *****************************************************************************/
+static int CropCallback( vlc_object_t *p_object, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ UpdateSPU( (spu_t *)p_data, p_object );
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Buffers allocation callbacks for the filters
*****************************************************************************/
-static void vout_RenderYUVSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu )
+static subpicture_t *sub_new_buffer( filter_t *p_filter )
{
- int i_len, i_color;
- u16 *p_source = (u16 *)p_spu->p_data;
+ filter_owner_sys_t *p_sys = p_filter->p_owner;
+ subpicture_t *p_subpicture = spu_CreateSubpicture( p_sys->p_spu );
+ if( p_subpicture ) p_subpicture->i_channel = p_sys->i_channel;
+ return p_subpicture;
+}
- int i_x, i_y;
+static void sub_del_buffer( filter_t *p_filter, subpicture_t *p_subpic )
+{
+ filter_owner_sys_t *p_sys = p_filter->p_owner;
+ spu_DestroySubpicture( p_sys->p_spu, p_subpic );
+}
- u8 *p_dest = p_pic->p->p_pixels + p_spu->i_x + p_spu->i_width
- + p_vout->output.i_width * ( p_spu->i_y + p_spu->i_height );
+static subpicture_t *spu_new_buffer( filter_t *p_filter )
+{
+ subpicture_t *p_subpic = (subpicture_t *)malloc(sizeof(subpicture_t));
+ memset( p_subpic, 0, sizeof(subpicture_t) );
+ p_subpic->b_absolute = VLC_TRUE;
- /* Draw until we reach the bottom of the subtitle */
- i_y = p_spu->i_height * p_vout->output.i_width;
+ p_subpic->pf_create_region = __spu_CreateRegion;
+ p_subpic->pf_destroy_region = __spu_DestroyRegion;
- while( i_y )
+ return p_subpic;
+}
+
+static void spu_del_buffer( filter_t *p_filter, subpicture_t *p_subpic )
+{
+ while( p_subpic->p_region )
{
- /* Draw until we reach the end of the line */
- i_x = p_spu->i_width;
+ subpicture_region_t *p_region = p_subpic->p_region;
+ p_subpic->p_region = p_region->p_next;
+ p_subpic->pf_destroy_region( VLC_OBJECT(p_filter), p_region );
+ }
- while( i_x )
- {
- /* Draw the line if needed */
- i_color = *p_source & 0x3;
+ free( p_subpic );
+}
- if( i_color )
- {
- i_len = *p_source++ >> 2;
- memset( p_dest - i_x - i_y, p_palette[ i_color ], i_len );
- i_x -= i_len;
- continue;
- }
+static picture_t *spu_new_video_buffer( filter_t *p_filter )
+{
+ picture_t *p_picture = malloc( sizeof(picture_t) );
+
+ if( vout_AllocatePicture( p_filter, p_picture,
+ p_filter->fmt_out.video.i_chroma,
+ p_filter->fmt_out.video.i_width,
+ p_filter->fmt_out.video.i_height,
+ p_filter->fmt_out.video.i_aspect )
+ != VLC_SUCCESS )
+ {
+ free( p_picture );
+ return NULL;
+ }
- i_x -= *p_source++ >> 2;
- }
+ p_picture->pf_release = RegionPictureRelease;
- i_y -= p_vout->output.i_width;
- }
+ return p_picture;
}
+static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_pic )
+{
+ if( p_pic && p_pic->p_data_orig ) free( p_pic->p_data_orig );
+ if( p_pic ) free( p_pic );
+}
projects / vlc / blobdiff