/*****************************************************************************
* vout_subpictures.c : subpicture management functions
*****************************************************************************
- * Copyright (C) 2000-2007 the VideoLAN team
+ * Copyright (C) 2000-2007 VLC authors and 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
# include "config.h"
#endif
+#include <assert.h>
+#include <limits.h>
+
#include <vlc_common.h>
+#include <vlc_modules.h>
+#include <vlc_input.h>
#include <vlc_vout.h>
-#include <vlc_block.h>
#include <vlc_filter.h>
-#include <vlc_osd.h>
+#include <vlc_spu.h>
+
#include "../libvlc.h"
#include "vout_internal.h"
-
-#include <assert.h>
-#include <limits.h>
+#include "../misc/subpicture.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
+
/* Number of simultaneous subpictures */
-#define VOUT_MAX_SUBPICTURES (VOUT_MAX_PICTURES)
+#define VOUT_MAX_SUBPICTURES (__MAX(VOUT_MAX_PICTURES, SPU_MAX_PREPARE_TIME/5000))
/* */
-typedef struct
-{
- subpicture_t *p_subpicture;
- bool b_reject;
+typedef struct {
+ subpicture_t *subpicture;
+ bool reject;
} spu_heap_entry_t;
-typedef struct
-{
- spu_heap_entry_t p_entry[VOUT_MAX_SUBPICTURES];
-
+typedef struct {
+ spu_heap_entry_t entry[VOUT_MAX_SUBPICTURES];
} spu_heap_t;
-static void SpuHeapInit( spu_heap_t * );
-static int SpuHeapPush( spu_heap_t *, subpicture_t * );
-static void SpuHeapDeleteAt( spu_heap_t *, int i_index );
-static int SpuHeapDeleteSubpicture( spu_heap_t *, subpicture_t * );
-static void SpuHeapClean( spu_heap_t *p_heap );
+struct spu_private_t {
+ vlc_mutex_t lock; /* lock to protect all followings fields */
+ vlc_object_t *input;
-struct spu_private_t
-{
- vlc_mutex_t lock; /* lock to protect all followings fields */
-
- spu_heap_t heap;
+ spu_heap_t heap;
- int i_channel; /**< number of subpicture channels registered */
- filter_t *p_blend; /**< alpha blending module */
- filter_t *p_text; /**< text renderer module */
- filter_t *p_scale_yuvp; /**< scaling module for YUVP */
- filter_t *p_scale; /**< scaling module (all but YUVP) */
- bool b_force_crop; /**< force cropping of subpicture */
- int i_crop_x, i_crop_y, i_crop_width, i_crop_height; /**< cropping */
+ int channel; /**< number of subpicture channels registered */
+ filter_t *text; /**< text renderer module */
+ filter_t *scale_yuvp; /**< scaling module for YUVP */
+ filter_t *scale; /**< scaling module (all but YUVP) */
+ bool force_crop; /**< force cropping of subpicture */
+ struct {
+ int x;
+ int y;
+ int width;
+ int height;
+ } crop; /**< cropping */
- int i_margin; /**< force position of a subpicture */
- bool b_force_palette; /**< force palette of subpicture */
- uint8_t palette[4][4]; /**< forced palette */
+ int margin; /**< force position of a subpicture */
+ bool force_palette; /**< force palette of subpicture */
+ uint8_t palette[4][4]; /**< forced palette */
/* Subpiture filters */
- char *psz_chain_update;
- filter_chain_t *p_chain;
+ char *source_chain_update;
+ vlc_mutex_t source_chain_lock;
+ filter_chain_t *source_chain;
+ char *filter_chain_update;
+ vlc_mutex_t filter_chain_lock;
+ filter_chain_t *filter_chain;
/* */
- mtime_t i_last_sort_date;
-};
-
-/* */
-struct subpicture_region_private_t
-{
- video_format_t fmt;
- picture_t *p_picture;
+ mtime_t last_sort_date;
};
-static subpicture_region_private_t *SpuRegionPrivateNew( video_format_t * );
-static void SpuRegionPrivateDelete( subpicture_region_private_t * );
-
-/* */
-typedef struct
-{
- int w;
- int h;
-} spu_scale_t;
-static spu_scale_t spu_scale_create( int w, int h );
-static spu_scale_t spu_scale_unit(void );
-static spu_scale_t spu_scale_createq( int wn, int wd, int hn, int hd );
-static int spu_scale_w( int v, const spu_scale_t s );
-static int spu_scale_h( int v, const spu_scale_t s );
-static int spu_invscale_w( int v, const spu_scale_t s );
-static int spu_invscale_h( int v, const spu_scale_t s );
-
-typedef struct
-{
- int i_x;
- int i_y;
- int i_width;
- int i_height;
-
- spu_scale_t scale;
-} spu_area_t;
-
-static spu_area_t spu_area_create( int x, int y, int w, int h, spu_scale_t );
-static spu_area_t spu_area_scaled( spu_area_t );
-static spu_area_t spu_area_unscaled( spu_area_t, spu_scale_t );
-static bool spu_area_overlap( spu_area_t, spu_area_t );
-
-
-/* Subpicture rendered flag
- * FIXME ? it could be moved to private ? */
-#define SUBPICTURE_RENDERED (0x1000)
-#if SUBPICTURE_RENDERED < SUBPICTURE_ALIGN_MASK
-# error SUBPICTURE_RENDERED too low
-#endif
-
-#define SCALE_UNIT (1000)
-
-static void SubpictureChain( subpicture_t **pp_head, subpicture_t *p_subpic );
-static int SubpictureCmp( const void *s0, const void *s1 );
-
-static void SpuRenderRegion( spu_t *,
- picture_t *p_pic_dst, spu_area_t *,
- subpicture_t *, subpicture_region_t *,
- const spu_scale_t scale_size,
- const video_format_t *p_fmt,
- const spu_area_t *p_subtitle_area, int i_subtitle_area );
-
-static void UpdateSPU ( spu_t *, vlc_object_t * );
-static int CropCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-
-static int SpuControl( spu_t *, int, va_list );
-
-static void SpuClearChannel( spu_t *p_spu, int i_channel );
-
-/* Buffer allocation for SPU filter (blend, scale, ...) */
-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 * );
-
-/* Buffer aloccation fir SUB filter */
-static int SubFilterCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-
-static int SubFilterAllocationInit( filter_t *, void * );
-static void SubFilterAllocationClean( filter_t * );
-
-/* */
-static void SpuRenderCreateAndLoadText( spu_t * );
-static void SpuRenderCreateAndLoadScale( spu_t * );
-static void SpuRenderCreateBlend( spu_t *, vlc_fourcc_t i_chroma, int i_aspect );
-static void FilterRelease( filter_t *p_filter );
-
-/*****************************************************************************
- * Public API
- *****************************************************************************/
-/**
- * Creates the subpicture unit
- *
- * \param p_this the parent object which creates the subpicture unit
- */
-spu_t *__spu_Create( vlc_object_t *p_this )
-{
- spu_t *p_spu;
- spu_private_t *p_sys;
-
- p_spu = vlc_custom_create( p_this, sizeof(spu_t) + sizeof(spu_private_t),
- VLC_OBJECT_GENERIC, "subpicture" );
-
- if( !p_spu )
- return NULL;
-
- /* Initialize spu fields */
- p_spu->pf_control = SpuControl;
- p_spu->p = p_sys = (spu_private_t*)&p_spu[1];
-
- /* Initialize private fields */
- vlc_mutex_init( &p_sys->lock );
-
- SpuHeapInit( &p_sys->heap );
-
- p_sys->p_blend = NULL;
- p_sys->p_text = NULL;
- p_sys->p_scale = NULL;
- p_sys->p_scale_yuvp = NULL;
-
- /* Register the default subpicture channel */
- p_sys->i_channel = 2;
-
- vlc_object_attach( p_spu, p_this );
-
- p_sys->psz_chain_update = NULL;
- p_sys->p_chain = filter_chain_New( p_spu, "sub filter", false,
- SubFilterAllocationInit,
- SubFilterAllocationClean,
- p_spu );
-
- /* Load text and scale module */
- SpuRenderCreateAndLoadText( p_spu );
- SpuRenderCreateAndLoadScale( p_spu );
-
- /* */
- p_sys->i_last_sort_date = -1;
-
- return p_spu;
-}
-
-/**
- * Initialise the subpicture unit
- *
- * \param p_spu the subpicture unit object
- */
-int spu_Init( spu_t *p_spu )
-{
- spu_private_t *p_sys = p_spu->p;
-
- /* If the user requested a sub margin, we force the position. */
- p_sys->i_margin = var_CreateGetInteger( p_spu, "sub-margin" );
-
- var_Create( p_spu, "sub-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_AddCallback( p_spu, "sub-filter", SubFilterCallback, p_spu );
- var_TriggerCallback( p_spu, "sub-filter" );
-
- return VLC_SUCCESS;
-}
-
-/**
- * Destroy the subpicture unit
- *
- * \param p_this the parent object which destroys the subpicture unit
- */
-void spu_Destroy( spu_t *p_spu )
-{
- spu_private_t *p_sys = p_spu->p;
-
- var_DelCallback( p_spu, "sub-filter", SubFilterCallback, p_spu );
-
- if( p_sys->p_blend )
- FilterRelease( p_sys->p_blend );
-
- if( p_sys->p_text )
- FilterRelease( p_sys->p_text );
-
- if( p_sys->p_scale_yuvp )
- FilterRelease( p_sys->p_scale_yuvp );
-
- if( p_sys->p_scale )
- FilterRelease( p_sys->p_scale );
-
- filter_chain_Delete( p_sys->p_chain );
- free( p_sys->psz_chain_update );
-
- /* Destroy all remaining subpictures */
- SpuHeapClean( &p_sys->heap );
-
- vlc_mutex_destroy( &p_sys->lock );
-
- vlc_object_release( 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, bool 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 );
- }
-}
-
-/**
- * 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 )
-{
- spu_private_t *p_sys = p_spu->p;
-
- /* DEFAULT_CHAN always reset itself */
- if( p_subpic->i_channel == DEFAULT_CHAN )
- SpuClearChannel( p_spu, DEFAULT_CHAN );
-
- /* p_private is for spu only and cannot be non NULL here */
- for( subpicture_region_t *r = p_subpic->p_region; r != NULL; r = r->p_next )
- assert( r->p_private == NULL );
-
- /* */
- vlc_mutex_lock( &p_sys->lock );
- if( SpuHeapPush( &p_sys->heap, p_subpic ) )
- {
- vlc_mutex_unlock( &p_sys->lock );
- msg_Err( p_spu, "subpicture heap full" );
- subpicture_Delete( p_subpic );
- return;
- }
- vlc_mutex_unlock( &p_sys->lock );
-}
-
-/**
- * This function renders all sub picture units in the list.
- */
-void spu_RenderSubpictures( spu_t *p_spu,
- picture_t *p_pic_dst, const video_format_t *p_fmt_dst,
- subpicture_t *p_subpic_list,
- const video_format_t *p_fmt_src, bool b_paused )
-{
- spu_private_t *p_sys = p_spu->p;
-
- const int i_source_video_width = p_fmt_src->i_width;
- const int i_source_video_height = p_fmt_src->i_height;
- const mtime_t i_current_date = mdate();
-
- unsigned int i_subpicture;
- subpicture_t *pp_subpicture[VOUT_MAX_SUBPICTURES];
-
- unsigned int i_subtitle_region_count;
- spu_area_t p_subtitle_area_buffer[VOUT_MAX_SUBPICTURES];
- spu_area_t *p_subtitle_area;
- int i_subtitle_area;
-
- vlc_mutex_lock( &p_sys->lock );
-
- /* Preprocess subpictures */
- i_subpicture = 0;
- i_subtitle_region_count = 0;
- for( subpicture_t * p_subpic = p_subpic_list;
- p_subpic != NULL;
- p_subpic = p_subpic->p_next )
- {
- /* */
- if( !b_paused && p_subpic->pf_pre_render )
- p_subpic->pf_pre_render( p_spu, p_subpic, p_fmt_dst );
-
- if( !b_paused && p_subpic->pf_update_regions )
- {
- video_format_t fmt_org = *p_fmt_dst;
- fmt_org.i_width =
- fmt_org.i_visible_width = i_source_video_width;
- fmt_org.i_height =
- fmt_org.i_visible_height = i_source_video_height;
-
- p_subpic->pf_update_regions( p_spu, p_subpic, &fmt_org, i_current_date );
- }
-
- /* */
- if( p_subpic->b_subtitle )
- {
- for( subpicture_region_t *r = p_subpic->p_region; r != NULL; r = r->p_next )
- i_subtitle_region_count++;
- }
-
- /* */
- pp_subpicture[i_subpicture++] = p_subpic;
- }
-
- /* Be sure we have at least 1 picture to process */
- if( i_subpicture <= 0 )
- {
- vlc_mutex_unlock( &p_sys->lock );
- return;
- }
-
- /* Now order subpicture array
- * XXX The order is *really* important for overlap subtitles positionning */
- qsort( pp_subpicture, i_subpicture, sizeof(*pp_subpicture), SubpictureCmp );
-
- /* Allocate area array for subtitle overlap */
- i_subtitle_area = 0;
- p_subtitle_area = p_subtitle_area_buffer;
- if( i_subtitle_region_count > sizeof(p_subtitle_area_buffer)/sizeof(*p_subtitle_area_buffer) )
- p_subtitle_area = calloc( i_subtitle_region_count, sizeof(*p_subtitle_area) );
-
- /* Create the blending module */
- if( !p_sys->p_blend )
- SpuRenderCreateBlend( p_spu, p_fmt_dst->i_chroma, p_fmt_dst->i_aspect );
-
- /* Process all subpictures and regions (in the right order) */
- for( unsigned int i_index = 0; i_index < i_subpicture; i_index++ )
- {
- subpicture_t *p_subpic = pp_subpicture[i_index];
- subpicture_region_t *p_region;
-
- if( !p_subpic->p_region )
- continue;
-
- /* FIXME when possible use a better rendering size than source size
- * (max of display size and source size for example) FIXME */
- int i_render_width = p_subpic->i_original_picture_width;
- int i_render_height = p_subpic->i_original_picture_height;
- if( !i_render_width || !i_render_height )
- {
- if( i_render_width != 0 || i_render_height != 0 )
- msg_Err( p_spu, "unsupported original picture size %dx%d",
- i_render_width, i_render_height );
-
- p_subpic->i_original_picture_width = i_render_width = i_source_video_width;
- p_subpic->i_original_picture_height = i_render_height = i_source_video_height;
- }
-
- if( p_sys->p_text )
- {
- p_sys->p_text->fmt_out.video.i_width =
- p_sys->p_text->fmt_out.video.i_visible_width = i_render_width;
-
- p_sys->p_text->fmt_out.video.i_height =
- p_sys->p_text->fmt_out.video.i_visible_height = i_render_height;
- }
-
- /* Compute scaling from picture to source size */
- spu_scale_t scale = spu_scale_createq( i_source_video_width, i_render_width,
- i_source_video_height, i_render_height );
-
- /* Update scaling from source size to display size(p_fmt_dst) */
- scale.w = scale.w * p_fmt_dst->i_width / i_source_video_width;
- scale.h = scale.h * p_fmt_dst->i_height / i_source_video_height;
-
- /* Set default subpicture aspect ratio
- * FIXME if we only handle 1 aspect ratio per picture, why is it set per
- * region ? */
- p_region = p_subpic->p_region;
- if( !p_region->fmt.i_sar_num || !p_region->fmt.i_sar_den )
- {
- if( p_region->fmt.i_aspect != 0 )
- {
- p_region->fmt.i_sar_den = p_region->fmt.i_aspect;
- p_region->fmt.i_sar_num = VOUT_ASPECT_FACTOR;
- }
- else
- {
- p_region->fmt.i_sar_den = p_fmt_dst->i_sar_den;
- p_region->fmt.i_sar_num = p_fmt_dst->i_sar_num;
- }
- }
-
- /* Take care of the aspect ratio */
- if( p_region->fmt.i_sar_num * p_fmt_dst->i_sar_den !=
- p_region->fmt.i_sar_den * p_fmt_dst->i_sar_num )
- {
- /* FIXME FIXME what about region->i_x/i_y ? */
- scale.w = scale.w *
- (int64_t)p_region->fmt.i_sar_num * p_fmt_dst->i_sar_den /
- p_region->fmt.i_sar_den / p_fmt_dst->i_sar_num;
- }
-
- /* Render all regions
- * We always transform non absolute subtitle into absolute one on the
- * first rendering to allow good subtitle overlap support.
- */
- for( p_region = p_subpic->p_region; p_region != NULL; p_region = p_region->p_next )
- {
- spu_area_t area;
-
- /* Check scale validity */
- if( scale.w <= 0 || scale.h <= 0 )
- continue;
-
- /* */
- SpuRenderRegion( p_spu, p_pic_dst, &area,
- p_subpic, p_region, scale, p_fmt_dst,
- p_subtitle_area, i_subtitle_area );
-
- if( p_subpic->b_subtitle )
- {
- area = spu_area_unscaled( area, scale );
- if( !p_subpic->b_absolute && area.i_width > 0 && area.i_height > 0 )
- {
- p_region->i_x = area.i_x;
- p_region->i_y = area.i_y;
- }
- if( p_subtitle_area )
- p_subtitle_area[i_subtitle_area++] = area;
- }
- }
- if( p_subpic->b_subtitle )
- p_subpic->b_absolute = true;
- }
-
- /* */
- if( p_subtitle_area != p_subtitle_area_buffer )
- free( p_subtitle_area );
-
- vlc_mutex_unlock( &p_sys->lock );
-}
-
-/*****************************************************************************
- * spu_SortSubpictures: find the subpictures to display
- *****************************************************************************
- * This function parses all subpictures and decides which ones need to be
- * displayed. If no picture has been selected, display_date will depend on
- * the subpicture.
- * We also check for ephemer DVD subpictures (subpictures that have
- * 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 *spu_SortSubpictures( spu_t *p_spu, mtime_t display_date,
- bool b_paused, bool b_subtitle_only )
-{
- spu_private_t *p_sys = p_spu->p;
- int i_channel;
- subpicture_t *p_subpic = NULL;
-
- /* Update sub-filter chain */
- vlc_mutex_lock( &p_sys->lock );
- char *psz_chain_update = p_sys->psz_chain_update;
- p_sys->psz_chain_update = NULL;
- vlc_mutex_unlock( &p_sys->lock );
-
- if( psz_chain_update )
- {
- filter_chain_Reset( p_sys->p_chain, NULL, NULL );
-
- filter_chain_AppendFromString( p_spu->p->p_chain, psz_chain_update );
-
- free( psz_chain_update );
- }
-
- /* Run subpicture filters */
- filter_chain_SubFilter( p_sys->p_chain, display_date );
-
- vlc_mutex_lock( &p_sys->lock );
-
- /* We get an easily parsable chained list of subpictures which
- * ends with NULL since p_subpic was initialized to NULL. */
- for( i_channel = 0; i_channel < p_sys->i_channel; i_channel++ )
- {
- subpicture_t *p_available_subpic[VOUT_MAX_SUBPICTURES];
- bool pb_available_late[VOUT_MAX_SUBPICTURES];
- int i_available = 0;
-
- mtime_t start_date = display_date;
- mtime_t ephemer_date = 0;
- int i_index;
-
- /* Select available pictures */
- for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
- {
- spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i_index];
- subpicture_t *p_current = p_entry->p_subpicture;
- bool b_stop_valid;
- bool b_late;
-
- if( !p_current || p_entry->b_reject )
- {
- if( p_entry->b_reject )
- SpuHeapDeleteAt( &p_sys->heap, i_index );
- continue;
- }
-
- if( p_current->i_channel != i_channel ||
- ( b_subtitle_only && !p_current->b_subtitle ) )
- {
- continue;
- }
- if( display_date &&
- display_date < p_current->i_start )
- {
- /* Too early, come back next monday */
- continue;
- }
-
- if( p_current->i_start > ephemer_date )
- ephemer_date = p_current->i_start;
-
- b_stop_valid = ( !p_current->b_ephemer || p_current->i_stop > p_current->i_start ) &&
- ( !p_current->b_subtitle || !b_paused ); /* XXX Assume that subtitle are pausable */
-
- b_late = b_stop_valid && p_current->i_stop <= display_date;
-
- /* start_date will be used for correct automatic overlap support
- * in case picture that should not be displayed anymore (display_time)
- * overlap with a picture to be displayed (p_current->i_start) */
- if( !b_late && !p_current->b_ephemer )
- start_date = p_current->i_start;
-
- /* */
- p_available_subpic[i_available] = p_current;
- pb_available_late[i_available] = b_late;
- i_available++;
- }
-
- /* Only forced old picture display at the transition */
- if( start_date < p_sys->i_last_sort_date )
- start_date = p_sys->i_last_sort_date;
- if( start_date <= 0 )
- start_date = INT64_MAX;
-
- /* Select pictures to be displayed */
- for( i_index = 0; i_index < i_available; i_index++ )
- {
- subpicture_t *p_current = p_available_subpic[i_index];
- bool b_late = pb_available_late[i_index];
-
- if( ( b_late && p_current->i_stop <= __MAX( start_date, p_sys->i_last_sort_date ) ) ||
- ( p_current->b_ephemer && p_current->i_start < ephemer_date ) )
- {
- /* Destroy late and obsolete ephemer subpictures */
- SpuHeapDeleteSubpicture( &p_sys->heap, p_current );
- }
- else
- {
- SubpictureChain( &p_subpic, p_current );
- }
- }
- }
-
- p_sys->i_last_sort_date = display_date;
- vlc_mutex_unlock( &p_sys->lock );
-
- return p_subpic;
-}
-
-void spu_OffsetSubtitleDate( spu_t *p_spu, mtime_t i_duration )
-{
- spu_private_t *p_sys = p_spu->p;
-
- vlc_mutex_lock( &p_sys->lock );
- for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ )
- {
- spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i];
- subpicture_t *p_current = p_entry->p_subpicture;
-
- if( p_current && p_current->b_subtitle )
- {
- if( p_current->i_start > 0 )
- p_current->i_start += i_duration;
- if( p_current->i_stop > 0 )
- p_current->i_stop += i_duration;
- }
- }
- vlc_mutex_unlock( &p_sys->lock );
-}
-
-/*****************************************************************************
- * subpicture_t allocation
- *****************************************************************************/
-subpicture_t *subpicture_New( void )
-{
- subpicture_t *p_subpic = calloc( 1, sizeof(*p_subpic) );
- if( !p_subpic )
- return NULL;
-
- p_subpic->i_order = 0;
- p_subpic->b_absolute = true;
- p_subpic->b_fade = false;
- p_subpic->b_subtitle = false;
- p_subpic->i_alpha = 0xFF;
- p_subpic->p_region = NULL;
- p_subpic->pf_render = NULL;
- p_subpic->pf_destroy = NULL;
- p_subpic->p_sys = NULL;
-
- return p_subpic;
-}
-
-void subpicture_Delete( subpicture_t *p_subpic )
-{
- subpicture_region_ChainDelete( p_subpic->p_region );
- p_subpic->p_region = NULL;
-
- if( p_subpic->pf_destroy )
- {
- p_subpic->pf_destroy( p_subpic );
- }
- free( p_subpic );
-}
-
-static void SubpictureChain( subpicture_t **pp_head, subpicture_t *p_subpic )
-{
- p_subpic->p_next = *pp_head;
-
- *pp_head = p_subpic;
-}
-
-/*****************************************************************************
- * subpicture_region_t allocation
- *****************************************************************************/
-subpicture_region_t *subpicture_region_New( const video_format_t *p_fmt )
-{
- subpicture_region_t *p_region = calloc( 1, sizeof(*p_region ) );
- if( !p_region )
- return NULL;
-
- p_region->fmt = *p_fmt;
- p_region->fmt.p_palette = NULL;
- if( p_fmt->i_chroma == VLC_CODEC_YUVP )
- {
- p_region->fmt.p_palette = calloc( 1, sizeof(*p_region->fmt.p_palette) );
- if( p_fmt->p_palette )
- *p_region->fmt.p_palette = *p_fmt->p_palette;
- }
- p_region->i_alpha = 0xff;
- p_region->p_next = NULL;
- p_region->p_private = NULL;
- p_region->psz_text = NULL;
- p_region->p_style = NULL;
- p_region->p_picture = NULL;
-
- if( p_fmt->i_chroma == VLC_CODEC_TEXT )
- return p_region;
-
- p_region->p_picture = picture_New( p_fmt->i_chroma, p_fmt->i_width, p_fmt->i_height,
- p_fmt->i_aspect );
- if( !p_region->p_picture )
- {
- free( p_fmt->p_palette );
- free( p_region );
- return NULL;
- }
-
- return p_region;
-}
-
-/* */
-void subpicture_region_Delete( subpicture_region_t *p_region )
-{
- if( !p_region )
- return;
-
- if( p_region->p_private )
- SpuRegionPrivateDelete( p_region->p_private );
-
- if( p_region->p_picture )
- picture_Release( p_region->p_picture );
-
- free( p_region->fmt.p_palette );
-
- free( p_region->psz_text );
- free( p_region->psz_html );
- if( p_region->p_style )
- text_style_Delete( p_region->p_style );
- free( p_region );
-}
-
-/* */
-void subpicture_region_ChainDelete( subpicture_region_t *p_head )
-{
- while( p_head )
- {
- subpicture_region_t *p_next = p_head->p_next;
-
- subpicture_region_Delete( p_head );
-
- p_head = p_next;
- }
-}
-
-
/*****************************************************************************
* heap managment
*****************************************************************************/
-static void SpuHeapInit( spu_heap_t *p_heap )
+static void SpuHeapInit(spu_heap_t *heap)
{
- for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ )
- {
- spu_heap_entry_t *e = &p_heap->p_entry[i];
+ for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) {
+ spu_heap_entry_t *e = &heap->entry[i];
- e->p_subpicture = NULL;
- e->b_reject = false;
+ e->subpicture = NULL;
+ e->reject = false;
}
}
-static int SpuHeapPush( spu_heap_t *p_heap, subpicture_t *p_subpic )
+static int SpuHeapPush(spu_heap_t *heap, subpicture_t *subpic)
{
- for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ )
- {
- spu_heap_entry_t *e = &p_heap->p_entry[i];
+ for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) {
+ spu_heap_entry_t *e = &heap->entry[i];
- if( e->p_subpicture )
+ if (e->subpicture)
continue;
- e->p_subpicture = p_subpic;
- e->b_reject = false;
+ e->subpicture = subpic;
+ e->reject = false;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
-static void SpuHeapDeleteAt( spu_heap_t *p_heap, int i_index )
+static void SpuHeapDeleteAt(spu_heap_t *heap, int index)
{
- spu_heap_entry_t *e = &p_heap->p_entry[i_index];
+ spu_heap_entry_t *e = &heap->entry[index];
- if( e->p_subpicture )
- subpicture_Delete( e->p_subpicture );
+ if (e->subpicture)
+ subpicture_Delete(e->subpicture);
- e->p_subpicture = NULL;
+ e->subpicture = NULL;
}
-static int SpuHeapDeleteSubpicture( spu_heap_t *p_heap, subpicture_t *p_subpic )
+static int SpuHeapDeleteSubpicture(spu_heap_t *heap, subpicture_t *subpic)
{
- for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ )
- {
- spu_heap_entry_t *e = &p_heap->p_entry[i];
+ for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) {
+ spu_heap_entry_t *e = &heap->entry[i];
- if( e->p_subpicture != p_subpic )
+ if (e->subpicture != subpic)
continue;
- SpuHeapDeleteAt( p_heap, i );
+ SpuHeapDeleteAt(heap, i);
return VLC_SUCCESS;
}
return VLC_EGENERIC;
}
-static void SpuHeapClean( spu_heap_t *p_heap )
+static void SpuHeapClean(spu_heap_t *heap)
{
- for( int i = 0; i < VOUT_MAX_SUBPICTURES; i++ )
- {
- spu_heap_entry_t *e = &p_heap->p_entry[i];
- if( e->p_subpicture )
- subpicture_Delete( e->p_subpicture );
+ for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) {
+ spu_heap_entry_t *e = &heap->entry[i];
+ if (e->subpicture)
+ subpicture_Delete(e->subpicture);
}
}
-static subpicture_region_private_t *SpuRegionPrivateNew( video_format_t *p_fmt )
-{
- subpicture_region_private_t *p_private = malloc( sizeof(*p_private) );
-
- if( !p_private )
- return NULL;
-
- p_private->fmt = *p_fmt;
- if( p_fmt->p_palette )
- {
- p_private->fmt.p_palette = malloc( sizeof(*p_private->fmt.p_palette) );
- if( p_private->fmt.p_palette )
- *p_private->fmt.p_palette = *p_fmt->p_palette;
- }
- p_private->p_picture = NULL;
-
- return p_private;
-}
-static void SpuRegionPrivateDelete( subpicture_region_private_t *p_private )
-{
- if( p_private->p_picture )
- picture_Release( p_private->p_picture );
- free( p_private->fmt.p_palette );
- free( p_private );
-}
+struct filter_owner_sys_t {
+ spu_t *spu;
+ int channel;
+};
-static void FilterRelease( filter_t *p_filter )
+static void FilterRelease(filter_t *filter)
{
- if( p_filter->p_module )
- module_unneed( p_filter, p_filter->p_module );
+ if (filter->p_module)
+ module_unneed(filter, filter->p_module);
+ if (filter->p_owner)
+ free(filter->p_owner);
- vlc_object_detach( p_filter );
- vlc_object_release( p_filter );
+ vlc_object_release(filter);
}
-static void SpuRenderCreateBlend( spu_t *p_spu, vlc_fourcc_t i_chroma, int i_aspect )
+static picture_t *spu_new_video_buffer(filter_t *filter)
{
- filter_t *p_blend;
-
- assert( !p_spu->p->p_blend );
-
- p_spu->p->p_blend =
- p_blend = vlc_custom_create( p_spu, sizeof(filter_t),
- VLC_OBJECT_GENERIC, "blend" );
- if( !p_blend )
- return;
-
- es_format_Init( &p_blend->fmt_in, VIDEO_ES, 0 );
-
- es_format_Init( &p_blend->fmt_out, VIDEO_ES, 0 );
- p_blend->fmt_out.video.i_x_offset = 0;
- p_blend->fmt_out.video.i_y_offset = 0;
- p_blend->fmt_out.video.i_chroma = i_chroma;
- p_blend->fmt_out.video.i_aspect = i_aspect;
-
- /* The blend module will be loaded when needed with the real
- * input format */
- p_blend->p_module = NULL;
+ const video_format_t *fmt = &filter->fmt_out.video;
- /* */
- vlc_object_attach( p_blend, p_spu );
+ VLC_UNUSED(filter);
+ return picture_NewFromFormat(fmt);
}
-static void SpuRenderUpdateBlend( spu_t *p_spu, int i_out_width, int i_out_height,
- const video_format_t *p_in_fmt )
+static void spu_del_video_buffer(filter_t *filter, picture_t *picture)
{
- filter_t *p_blend = p_spu->p->p_blend;
-
- assert( p_blend );
-
- /* */
- if( p_blend->p_module && p_blend->fmt_in.video.i_chroma != p_in_fmt->i_chroma )
- {
- /* The chroma is not the same, we need to reload the blend module
- * XXX to match the old behaviour just test !p_blend->fmt_in.video.i_chroma */
- module_unneed( p_blend, p_blend->p_module );
- p_blend->p_module = NULL;
- }
-
- /* */
- p_blend->fmt_in.video = *p_in_fmt;
-
- /* */
- p_blend->fmt_out.video.i_width =
- p_blend->fmt_out.video.i_visible_width = i_out_width;
- p_blend->fmt_out.video.i_height =
- p_blend->fmt_out.video.i_visible_height = i_out_height;
-
- /* */
- if( !p_blend->p_module )
- p_blend->p_module = module_need( p_blend, "video blending", NULL, false );
+ VLC_UNUSED(filter);
+ picture_Release(picture);
}
-static void SpuRenderCreateAndLoadText( spu_t *p_spu )
-{
- filter_t *p_text;
- assert( !p_spu->p->p_text );
+static int spu_get_attachments(filter_t *filter,
+ input_attachment_t ***attachment_ptr,
+ int *attachment_count)
+{
+ spu_t *spu = filter->p_owner->spu;
- p_spu->p->p_text =
- p_text = vlc_custom_create( p_spu, sizeof(filter_t),
- VLC_OBJECT_GENERIC, "spu text" );
- if( !p_text )
- return;
+ int ret = VLC_EGENERIC;
+ if (spu->p->input)
+ ret = input_Control((input_thread_t*)spu->p->input,
+ INPUT_GET_ATTACHMENTS,
+ attachment_ptr, attachment_count);
+ return ret;
+}
- es_format_Init( &p_text->fmt_in, VIDEO_ES, 0 );
+static filter_t *SpuRenderCreateAndLoadText(spu_t *spu)
+{
+ filter_t *text = vlc_custom_create(spu, sizeof(*text), "spu text");
+ if (!text)
+ return NULL;
- es_format_Init( &p_text->fmt_out, VIDEO_ES, 0 );
- p_text->fmt_out.video.i_width =
- p_text->fmt_out.video.i_visible_width = 32;
- p_text->fmt_out.video.i_height =
- p_text->fmt_out.video.i_visible_height = 32;
+ text->p_owner = xmalloc(sizeof(*text->p_owner));
+ text->p_owner->spu = spu;
- p_text->pf_sub_buffer_new = spu_new_buffer;
- p_text->pf_sub_buffer_del = spu_del_buffer;
+ es_format_Init(&text->fmt_in, VIDEO_ES, 0);
- vlc_object_attach( p_text, p_spu );
+ es_format_Init(&text->fmt_out, VIDEO_ES, 0);
+ text->fmt_out.video.i_width =
+ text->fmt_out.video.i_visible_width = 32;
+ text->fmt_out.video.i_height =
+ text->fmt_out.video.i_visible_height = 32;
- /* FIXME TOCHECK shouldn't module_need( , , psz_modulename, false ) do the
- * same than these 2 calls ? */
- char *psz_modulename = var_CreateGetString( p_spu, "text-renderer" );
- if( psz_modulename && *psz_modulename )
- {
- p_text->p_module = module_need( p_text, "text renderer",
- psz_modulename, true );
- }
- free( psz_modulename );
+ text->pf_get_attachments = spu_get_attachments;
- if( !p_text->p_module )
- p_text->p_module = module_need( p_text, "text renderer", NULL, false );
+ text->p_module = module_need(text, "text renderer", "$text-renderer", false);
/* Create a few variables used for enhanced text rendering */
- var_Create( p_text, "spu-duration", VLC_VAR_TIME );
- var_Create( p_text, "spu-elapsed", VLC_VAR_TIME );
- var_Create( p_text, "text-rerender", VLC_VAR_BOOL );
- var_Create( p_text, "scale", VLC_VAR_INTEGER );
+ var_Create(text, "spu-elapsed", VLC_VAR_TIME);
+ var_Create(text, "text-rerender", VLC_VAR_BOOL);
+
+ return text;
}
-static filter_t *CreateAndLoadScale( vlc_object_t *p_obj,
- vlc_fourcc_t i_src_chroma, vlc_fourcc_t i_dst_chroma,
- bool b_resize )
+static filter_t *SpuRenderCreateAndLoadScale(vlc_object_t *object,
+ vlc_fourcc_t src_chroma,
+ vlc_fourcc_t dst_chroma,
+ bool require_resize)
{
- filter_t *p_scale;
-
- p_scale = vlc_custom_create( p_obj, sizeof(filter_t),
- VLC_OBJECT_GENERIC, "scale" );
- if( !p_scale )
+ filter_t *scale = vlc_custom_create(object, sizeof(*scale), "scale");
+ if (!scale)
return NULL;
- es_format_Init( &p_scale->fmt_in, VIDEO_ES, 0 );
- p_scale->fmt_in.video.i_chroma = i_src_chroma;
- p_scale->fmt_in.video.i_width =
- p_scale->fmt_in.video.i_height = 32;
+ es_format_Init(&scale->fmt_in, VIDEO_ES, 0);
+ scale->fmt_in.video.i_chroma = src_chroma;
+ scale->fmt_in.video.i_width =
+ scale->fmt_in.video.i_height = 32;
- es_format_Init( &p_scale->fmt_out, VIDEO_ES, 0 );
- p_scale->fmt_out.video.i_chroma = i_dst_chroma;
- p_scale->fmt_out.video.i_width =
- p_scale->fmt_out.video.i_height = b_resize ? 16 : 32;
+ es_format_Init(&scale->fmt_out, VIDEO_ES, 0);
+ scale->fmt_out.video.i_chroma = dst_chroma;
+ scale->fmt_out.video.i_width =
+ scale->fmt_out.video.i_height = require_resize ? 16 : 32;
- p_scale->pf_vout_buffer_new = spu_new_video_buffer;
- p_scale->pf_vout_buffer_del = spu_del_video_buffer;
+ scale->pf_video_buffer_new = spu_new_video_buffer;
+ scale->pf_video_buffer_del = spu_del_video_buffer;
- vlc_object_attach( p_scale, p_obj );
- p_scale->p_module = module_need( p_scale, "video filter2", NULL, false );
+ scale->p_module = module_need(scale, "video filter2", NULL, false);
- return p_scale;
-}
-static void SpuRenderCreateAndLoadScale( spu_t *p_spu )
-{
- assert( !p_spu->p->p_scale );
- assert( !p_spu->p->p_scale_yuvp );
- /* XXX p_spu->p_scale is used for all conversion/scaling except yuvp to
- * yuva/rgba */
- p_spu->p->p_scale = CreateAndLoadScale( VLC_OBJECT(p_spu),
- VLC_CODEC_YUVA, VLC_CODEC_YUVA, true );
- /* This one is used for YUVP to YUVA/RGBA without scaling
- * FIXME rename it */
- p_spu->p->p_scale_yuvp = CreateAndLoadScale( VLC_OBJECT(p_spu),
- VLC_CODEC_YUVP, VLC_CODEC_YUVA, false );
+ return scale;
}
-static void SpuRenderText( spu_t *p_spu, bool *pb_rerender_text,
- subpicture_t *p_subpic, subpicture_region_t *p_region,
- int i_min_scale_ratio )
+static void SpuRenderText(spu_t *spu, bool *rerender_text,
+ subpicture_region_t *region,
+ const vlc_fourcc_t *chroma_list,
+ mtime_t elapsed_time)
{
- filter_t *p_text = p_spu->p->p_text;
+ filter_t *text = spu->p->text;
- assert( p_region->fmt.i_chroma == VLC_CODEC_TEXT );
+ assert(region->fmt.i_chroma == VLC_CODEC_TEXT);
- if( !p_text || !p_text->p_module )
- goto exit;
+ if (!text || !text->p_module)
+ return;
/* Setup 3 variables which can be used to render
* time-dependent text (and effects). The first indicates
* least show up on screen, but the effect won't change
* the text over time.
*/
- var_SetTime( p_text, "spu-duration", p_subpic->i_stop - p_subpic->i_start );
- var_SetTime( p_text, "spu-elapsed", mdate() - p_subpic->i_start );
- var_SetBool( p_text, "text-rerender", false );
- var_SetInteger( p_text, "scale", i_min_scale_ratio );
-
- if( p_text->pf_render_html && p_region->psz_html )
- {
- p_text->pf_render_html( p_text, p_region, p_region );
- }
- else if( p_text->pf_render_text )
- {
- p_text->pf_render_text( p_text, p_region, p_region );
- }
- *pb_rerender_text = var_GetBool( p_text, "text-rerender" );
-
-exit:
- p_region->i_align |= SUBPICTURE_RENDERED;
+ var_SetTime(text, "spu-elapsed", elapsed_time);
+ var_SetBool(text, "text-rerender", false);
+
+ if (text->pf_render_html && region->psz_html)
+ text->pf_render_html(text, region, region, chroma_list);
+ else if (text->pf_render_text)
+ text->pf_render_text(text, region, region, chroma_list);
+ *rerender_text = var_GetBool(text, "text-rerender");
}
/**
* A few scale functions helpers.
*/
-static spu_scale_t spu_scale_create( int w, int h )
+
+#define SCALE_UNIT (1000)
+typedef struct {
+ int w;
+ int h;
+} spu_scale_t;
+
+static spu_scale_t spu_scale_create(int w, int h)
{
spu_scale_t s = { .w = w, .h = h };
- if( s.w <= 0 )
+ if (s.w <= 0)
s.w = SCALE_UNIT;
- if( s.h <= 0 )
+ if (s.h <= 0)
s.h = SCALE_UNIT;
return s;
}
-static spu_scale_t spu_scale_unit( void )
+static spu_scale_t spu_scale_unit(void)
{
- return spu_scale_create( SCALE_UNIT, SCALE_UNIT );
+ return spu_scale_create(SCALE_UNIT, SCALE_UNIT);
}
-static spu_scale_t spu_scale_createq( int wn, int wd, int hn, int hd )
+static spu_scale_t spu_scale_createq(int64_t wn, int64_t wd, int64_t hn, int64_t hd)
{
- return spu_scale_create( wn * SCALE_UNIT / wd,
- hn * SCALE_UNIT / hd );
+ return spu_scale_create(wn * SCALE_UNIT / wd,
+ hn * SCALE_UNIT / hd);
}
-static int spu_scale_w( int v, const spu_scale_t s )
+static int spu_scale_w(int v, const spu_scale_t s)
{
return v * s.w / SCALE_UNIT;
}
-static int spu_scale_h( int v, const spu_scale_t s )
+static int spu_scale_h(int v, const spu_scale_t s)
{
return v * s.h / SCALE_UNIT;
}
-static int spu_invscale_w( int v, const spu_scale_t s )
+static int spu_invscale_w(int v, const spu_scale_t s)
{
return v * SCALE_UNIT / s.w;
}
-static int spu_invscale_h( int v, const spu_scale_t s )
+static int spu_invscale_h(int v, const spu_scale_t s)
{
return v * SCALE_UNIT / s.h;
}
/**
* A few area functions helpers
*/
-static spu_area_t spu_area_create( int x, int y, int w, int h, spu_scale_t s )
+typedef struct {
+ int x;
+ int y;
+ int width;
+ int height;
+
+ spu_scale_t scale;
+} spu_area_t;
+
+static spu_area_t spu_area_create(int x, int y, int w, int h, spu_scale_t s)
{
- spu_area_t a = { .i_x = x, .i_y = y, .i_width = w, .i_height = h, .scale = s };
+ spu_area_t a = { .x = x, .y = y, .width = w, .height = h, .scale = s };
return a;
}
-static spu_area_t spu_area_scaled( spu_area_t a )
+static spu_area_t spu_area_scaled(spu_area_t a)
{
- if( a.scale.w == SCALE_UNIT && a.scale.h == SCALE_UNIT )
+ if (a.scale.w == SCALE_UNIT && a.scale.h == SCALE_UNIT)
return a;
- a.i_x = spu_scale_w( a.i_x, a.scale );
- a.i_y = spu_scale_h( a.i_y, a.scale );
-
- a.i_width = spu_scale_w( a.i_width, a.scale );
- a.i_height = spu_scale_h( a.i_height, a.scale );
+ a.x = spu_scale_w(a.x, a.scale);
+ a.y = spu_scale_h(a.y, a.scale);
+ a.width = spu_scale_w(a.width, a.scale);
+ a.height = spu_scale_h(a.height, a.scale);
a.scale = spu_scale_unit();
return a;
}
-static spu_area_t spu_area_unscaled( spu_area_t a, spu_scale_t s )
+static spu_area_t spu_area_unscaled(spu_area_t a, spu_scale_t s)
{
- if( a.scale.w == s.w && a.scale.h == s.h )
+ if (a.scale.w == s.w && a.scale.h == s.h)
return a;
- a = spu_area_scaled( a );
+ a = spu_area_scaled(a);
- a.i_x = spu_invscale_w( a.i_x, s );
- a.i_y = spu_invscale_h( a.i_y, s );
-
- a.i_width = spu_invscale_w( a.i_width, s );
- a.i_height = spu_invscale_h( a.i_height, s );
+ a.x = spu_invscale_w(a.x, s);
+ a.y = spu_invscale_h(a.y, s);
+ a.width = spu_invscale_w(a.width, s);
+ a.height = spu_invscale_h(a.height, s);
a.scale = s;
return a;
}
-static bool spu_area_overlap( spu_area_t a, spu_area_t b )
+static bool spu_area_overlap(spu_area_t a, spu_area_t b)
{
- const int i_dx = 0;
- const int i_dy = 0;
+ const int dx = 0;
+ const int dy = 0;
- a = spu_area_scaled( a );
- b = spu_area_scaled( b );
+ a = spu_area_scaled(a);
+ b = spu_area_scaled(b);
- return __MAX( a.i_x-i_dx, b.i_x ) < __MIN( a.i_x+a.i_width +i_dx, b.i_x+b.i_width ) &&
- __MAX( a.i_y-i_dy, b.i_y ) < __MIN( a.i_y+a.i_height+i_dy, b.i_y+b.i_height );
+ return __MAX(a.x - dx, b.x) < __MIN(a.x + a.width + dx, b.x + b.width ) &&
+ __MAX(a.y - dy, b.y) < __MIN(a.y + a.height + dy, b.y + b.height);
}
/**
* Avoid area overlapping
*/
-static void SpuAreaFixOverlap( spu_area_t *p_dst,
- const spu_area_t *p_master,
- const spu_area_t *p_sub, int i_sub, int i_align )
+static void SpuAreaFixOverlap(spu_area_t *dst,
+ const spu_area_t *sub_array, int sub_count, int align)
{
- spu_area_t a = spu_area_scaled( *p_dst );
- bool b_moved = false;
- bool b_ok;
-
- assert( p_master->i_x == 0 && p_master->i_y == 0 );
+ spu_area_t a = spu_area_scaled(*dst);
+ bool is_moved = false;
+ bool is_ok;
/* Check for overlap
* XXX It is not fast O(n^2) but we should not have a lot of region */
- do
- {
- b_ok = true;
- for( int i = 0; i < i_sub; i++ )
- {
- spu_area_t sub = spu_area_scaled( p_sub[i] );
-
- if( !spu_area_overlap( a, sub ) )
+ do {
+ is_ok = true;
+ for (int i = 0; i < sub_count; i++) {
+ spu_area_t sub = spu_area_scaled(sub_array[i]);
+
+ if (!spu_area_overlap(a, sub))
continue;
- if( i_align & SUBPICTURE_ALIGN_TOP )
- {
+ if (align & SUBPICTURE_ALIGN_TOP) {
/* We go down */
- int i_y = sub.i_y + sub.i_height;
- if( i_y + a.i_height > p_master->i_height )
- break;
- a.i_y = i_y;
- b_moved = true;
- }
- else if( i_align & SUBPICTURE_ALIGN_BOTTOM )
- {
+ int i_y = sub.y + sub.height;
+ a.y = i_y;
+ is_moved = true;
+ } else if (align & SUBPICTURE_ALIGN_BOTTOM) {
/* We go up */
- int i_y = sub.i_y - a.i_height;
- if( i_y < 0 )
- break;
- a.i_y = i_y;
- b_moved = true;
- }
- else
- {
+ int i_y = sub.y - a.height;
+ a.y = i_y;
+ is_moved = true;
+ } else {
/* TODO what to do in this case? */
- //fprintf( stderr, "Overlap with unsupported alignment\n" );
+ //fprintf(stderr, "Overlap with unsupported alignment\n");
break;
}
- b_ok = false;
+ is_ok = false;
break;
}
- } while( !b_ok );
+ } while (!is_ok);
+
+ if (is_moved)
+ *dst = spu_area_unscaled(a, dst->scale);
+}
+
+
+static void SpuAreaFitInside(spu_area_t *area, const spu_area_t *boundary)
+{
+ spu_area_t a = spu_area_scaled(*area);
+
+ const int i_error_x = (a.x + a.width) - boundary->width;
+ if (i_error_x > 0)
+ a.x -= i_error_x;
+ if (a.x < 0)
+ a.x = 0;
+
+ const int i_error_y = (a.y + a.height) - boundary->height;
+ if (i_error_y > 0)
+ a.y -= i_error_y;
+ if (a.y < 0)
+ a.y = 0;
+
+ *area = spu_area_unscaled(a, area->scale);
+}
+
+/**
+ * Place a region
+ */
+static void SpuRegionPlace(int *x, int *y,
+ const subpicture_t *subpic,
+ const subpicture_region_t *region)
+{
+ assert(region->i_x != INT_MAX && region->i_y != INT_MAX);
+ if (subpic->b_absolute) {
+ *x = region->i_x;
+ *y = region->i_y;
+ } else {
+ if (region->i_align & SUBPICTURE_ALIGN_TOP)
+ *y = region->i_y;
+ else if (region->i_align & SUBPICTURE_ALIGN_BOTTOM)
+ *y = subpic->i_original_picture_height - region->fmt.i_height - region->i_y;
+ else
+ *y = subpic->i_original_picture_height / 2 - region->fmt.i_height / 2;
+
+ if (region->i_align & SUBPICTURE_ALIGN_LEFT)
+ *x = region->i_x;
+ else if (region->i_align & SUBPICTURE_ALIGN_RIGHT)
+ *x = subpic->i_original_picture_width - region->fmt.i_width - region->i_x;
+ else
+ *x = subpic->i_original_picture_width / 2 - region->fmt.i_width / 2;
+ }
+}
+
+/**
+ * This function compares two 64 bits integers.
+ * It can be used by qsort.
+ */
+static int IntegerCmp(int64_t i0, int64_t i1)
+{
+ return i0 < i1 ? -1 : i0 > i1 ? 1 : 0;
+}
+/**
+ * This function compares 2 subpictures using the following properties
+ * (ordered by priority)
+ * 1. absolute positionning
+ * 2. start time
+ * 3. creation order (per channel)
+ *
+ * It can be used by qsort.
+ *
+ * XXX spu_RenderSubpictures depends heavily on this order.
+ */
+static int SubpictureCmp(const void *s0, const void *s1)
+{
+ subpicture_t *subpic0 = *(subpicture_t**)s0;
+ subpicture_t *subpic1 = *(subpicture_t**)s1;
+ int r;
+
+ r = IntegerCmp(!subpic0->b_absolute, !subpic1->b_absolute);
+ if (!r)
+ r = IntegerCmp(subpic0->i_start, subpic1->i_start);
+ if (!r)
+ r = IntegerCmp(subpic0->i_channel, subpic1->i_channel);
+ if (!r)
+ r = IntegerCmp(subpic0->i_order, subpic1->i_order);
+ return r;
+}
+
+/*****************************************************************************
+ * SpuSelectSubpictures: find the subpictures to display
+ *****************************************************************************
+ * This function parses all subpictures and decides which ones need to be
+ * displayed. If no picture has been selected, display_date will depend on
+ * the subpicture.
+ * We also check for ephemer DVD subpictures (subpictures that have
+ * 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.
+ *****************************************************************************/
+static void SpuSelectSubpictures(spu_t *spu,
+ unsigned int *subpicture_count,
+ subpicture_t **subpicture_array,
+ mtime_t render_subtitle_date,
+ mtime_t render_osd_date,
+ bool ignore_osd)
+{
+ spu_private_t *sys = spu->p;
+
+ /* */
+ *subpicture_count = 0;
+
+ /* Create a list of channels */
+ int channel[VOUT_MAX_SUBPICTURES];
+ int channel_count = 0;
+
+ for (int index = 0; index < VOUT_MAX_SUBPICTURES; index++) {
+ spu_heap_entry_t *entry = &sys->heap.entry[index];
+ if (!entry->subpicture || entry->reject)
+ continue;
+ const int i_channel = entry->subpicture->i_channel;
+ int i;
+ for (i = 0; i < channel_count; i++) {
+ if (channel[i] == i_channel)
+ break;
+ }
+ if (channel_count <= i)
+ channel[channel_count++] = i_channel;
+ }
+
+ /* Fill up the subpicture_array arrays with relevent pictures */
+ for (int i = 0; i < channel_count; i++) {
+ subpicture_t *available_subpic[VOUT_MAX_SUBPICTURES];
+ bool is_available_late[VOUT_MAX_SUBPICTURES];
+ int available_count = 0;
+
+ mtime_t start_date = render_subtitle_date;
+ mtime_t ephemer_subtitle_date = 0;
+ mtime_t ephemer_osd_date = 0;
+ int64_t ephemer_subtitle_order = INT64_MIN;
+ int64_t ephemer_system_order = INT64_MIN;
+
+ /* Select available pictures */
+ for (int index = 0; index < VOUT_MAX_SUBPICTURES; index++) {
+ spu_heap_entry_t *entry = &sys->heap.entry[index];
+ subpicture_t *current = entry->subpicture;
+ bool is_stop_valid;
+ bool is_late;
+
+ if (!current || entry->reject) {
+ if (entry->reject)
+ SpuHeapDeleteAt(&sys->heap, index);
+ continue;
+ }
+
+ if (current->i_channel != channel[i] ||
+ (ignore_osd && !current->b_subtitle))
+ continue;
+
+ const mtime_t render_date = current->b_subtitle ? render_subtitle_date : render_osd_date;
+ if (render_date &&
+ render_date < current->i_start) {
+ /* Too early, come back next monday */
+ continue;
+ }
+
+ mtime_t *ephemer_date_ptr = current->b_subtitle ? &ephemer_subtitle_date : &ephemer_osd_date;
+ int64_t *ephemer_order_ptr = current->b_subtitle ? &ephemer_subtitle_order : &ephemer_system_order;
+ if (current->i_start >= *ephemer_date_ptr) {
+ *ephemer_date_ptr = current->i_start;
+ if (current->i_order > *ephemer_order_ptr)
+ *ephemer_order_ptr = current->i_order;
+ }
- if( b_moved )
- *p_dst = spu_area_unscaled( a, p_dst->scale );
-}
+ is_stop_valid = !current->b_ephemer || current->i_stop > current->i_start;
+ is_late = is_stop_valid && current->i_stop <= render_date;
-/**
- * Place a region
- */
-static void SpuRegionPlace( int *pi_x, int *pi_y,
- const subpicture_t *p_subpic,
- const subpicture_region_t *p_region,
- int i_margin_y )
-{
- const int i_delta_x = p_region->i_x;
- const int i_delta_y = p_region->i_y;
- int i_x, i_y;
-
- assert( p_region->i_x != INT_MAX && p_region->i_y != INT_MAX );
- if( p_region->i_align & SUBPICTURE_ALIGN_TOP )
- {
- i_y = i_delta_y;
- }
- else if( p_region->i_align & SUBPICTURE_ALIGN_BOTTOM )
- {
- i_y = p_subpic->i_original_picture_height - p_region->fmt.i_height - i_delta_y;
- }
- else
- {
- i_y = p_subpic->i_original_picture_height / 2 - p_region->fmt.i_height / 2;
- }
+ /* start_date will be used for correct automatic overlap support
+ * in case picture that should not be displayed anymore (display_time)
+ * overlap with a picture to be displayed (current->i_start) */
+ if (current->b_subtitle && !is_late && !current->b_ephemer)
+ start_date = current->i_start;
- if( p_region->i_align & SUBPICTURE_ALIGN_LEFT )
- {
- i_x = i_delta_x;
- }
- else if( p_region->i_align & SUBPICTURE_ALIGN_RIGHT )
- {
- i_x = p_subpic->i_original_picture_width - p_region->fmt.i_width - i_delta_x;
- }
- else
- {
- i_x = p_subpic->i_original_picture_width / 2 - p_region->fmt.i_width / 2;
- }
+ /* */
+ available_subpic[available_count] = current;
+ is_available_late[available_count] = is_late;
+ available_count++;
+ }
- if( p_subpic->b_absolute )
- {
- i_x = i_delta_x;
- i_y = i_delta_y;
- }
+ /* Only forced old picture display at the transition */
+ if (start_date < sys->last_sort_date)
+ start_date = sys->last_sort_date;
+ if (start_date <= 0)
+ start_date = INT64_MAX;
- /* Margin shifts all subpictures */
- if( i_margin_y != 0 )
- i_y -= i_margin_y;
-
- /* Clamp offset to not go out of the screen (when possible) */
- const int i_error_x = (i_x + p_region->fmt.i_width) - p_subpic->i_original_picture_width;
- if( i_error_x > 0 )
- i_x -= i_error_x;
- if( i_x < 0 )
- i_x = 0;
-
- const int i_error_y = (i_y + p_region->fmt.i_height) - p_subpic->i_original_picture_height;
- if( i_error_y > 0 )
- i_y -= i_error_y;
- if( i_y < 0 )
- i_y = 0;
-
- *pi_x = i_x;
- *pi_y = i_y;
-}
+ /* Select pictures to be displayed */
+ for (int index = 0; index < available_count; index++) {
+ subpicture_t *current = available_subpic[index];
+ bool is_late = is_available_late[index];
+
+ const mtime_t stop_date = current->b_subtitle ? __MAX(start_date, sys->last_sort_date) : render_osd_date;
+ const mtime_t ephemer_date = current->b_subtitle ? ephemer_subtitle_date : ephemer_osd_date;
+ const int64_t ephemer_order = current->b_subtitle ? ephemer_subtitle_order : ephemer_system_order;
+
+ /* Destroy late and obsolete ephemer subpictures */
+ bool is_rejeted = is_late && current->i_stop <= stop_date;
+ if (current->b_ephemer) {
+ if (current->i_start < ephemer_date)
+ is_rejeted = true;
+ else if (current->i_start == ephemer_date &&
+ current->i_order < ephemer_order)
+ is_rejeted = true;
+ }
-/**
- * This function computes the current alpha value for a given region.
- */
-static int SpuRegionAlpha( subpicture_t *p_subpic, subpicture_region_t *p_region )
-{
- /* Compute alpha blend value */
- int i_fade_alpha = 255;
- if( p_subpic->b_fade )
- {
- mtime_t i_fade_start = ( p_subpic->i_stop +
- p_subpic->i_start ) / 2;
- mtime_t i_now = mdate();
-
- if( i_now >= i_fade_start && p_subpic->i_stop > i_fade_start )
- {
- i_fade_alpha = 255 * ( p_subpic->i_stop - i_now ) /
- ( p_subpic->i_stop - i_fade_start );
+ if (is_rejeted)
+ SpuHeapDeleteSubpicture(&sys->heap, current);
+ else
+ subpicture_array[(*subpicture_count)++] = current;
}
}
- return i_fade_alpha * p_subpic->i_alpha * p_region->i_alpha / 65025;
+
+ sys->last_sort_date = render_subtitle_date;
}
-/**
- * It will render the provided region onto p_pic_dst.
- */
-static void SpuRenderRegion( spu_t *p_spu,
- picture_t *p_pic_dst, spu_area_t *p_area,
- subpicture_t *p_subpic, subpicture_region_t *p_region,
- const spu_scale_t scale_size,
- const video_format_t *p_fmt,
- const spu_area_t *p_subtitle_area, int i_subtitle_area )
-{
- spu_private_t *p_sys = p_spu->p;
- video_format_t fmt_original = p_region->fmt;
- bool b_rerender_text = false;
- bool b_restore_format = false;
- int i_x_offset;
- int i_y_offset;
+/**
+ * It will transform the provided region into another region suitable for rendering.
+ */
+static void SpuRenderRegion(spu_t *spu,
+ subpicture_region_t **dst_ptr, spu_area_t *dst_area,
+ subpicture_t *subpic, subpicture_region_t *region,
+ const spu_scale_t scale_size,
+ const vlc_fourcc_t *chroma_list,
+ const video_format_t *fmt,
+ const spu_area_t *subtitle_area, int subtitle_area_count,
+ mtime_t render_date)
+{
+ spu_private_t *sys = spu->p;
+
+ video_format_t fmt_original = region->fmt;
+ bool restore_text = false;
+ int x_offset;
+ int y_offset;
video_format_t region_fmt;
- picture_t *p_region_picture;
+ picture_t *region_picture;
/* Invalidate area by default */
- *p_area = spu_area_create( 0,0, 0,0, scale_size );
+ *dst_area = spu_area_create(0,0, 0,0, scale_size);
+ *dst_ptr = NULL;
/* Render text region */
- if( p_region->fmt.i_chroma == VLC_CODEC_TEXT )
- {
- const int i_min_scale_ratio = SCALE_UNIT; /* FIXME what is the right value? (scale_size is not) */
- SpuRenderText( p_spu, &b_rerender_text, p_subpic, p_region, i_min_scale_ratio );
- b_restore_format = b_rerender_text;
+ if (region->fmt.i_chroma == VLC_CODEC_TEXT) {
+ SpuRenderText(spu, &restore_text, region,
+ chroma_list,
+ render_date - subpic->i_start);
/* Check if the rendering has failed ... */
- if( p_region->fmt.i_chroma == VLC_CODEC_TEXT )
+ if (region->fmt.i_chroma == VLC_CODEC_TEXT)
goto exit;
}
/* Force palette if requested
- * FIXME b_force_palette and b_force_crop are applied to all subpictures using palette
+ * FIXME b_force_palette and force_crop are applied to all subpictures using palette
* instead of only the right one (being the dvd spu).
*/
- const bool b_using_palette = p_region->fmt.i_chroma == VLC_CODEC_YUVP;
- const bool b_force_palette = b_using_palette && p_sys->b_force_palette;
- const bool b_force_crop = b_force_palette && p_sys->b_force_crop;
- bool b_changed_palette = false;
-
+ const bool using_palette = region->fmt.i_chroma == VLC_CODEC_YUVP;
+ const bool force_palette = using_palette && sys->force_palette;
+ const bool force_crop = force_palette && sys->force_crop;
+ bool changed_palette = false;
/* Compute the margin which is expressed in destination pixel unit
* The margin is applied only to subtitle and when no forced crop is
* requested (dvd menu) */
- int i_margin_y = 0;
- if( !b_force_crop && p_subpic->b_subtitle )
- i_margin_y = spu_invscale_h( p_sys->i_margin, scale_size );
+ int y_margin = 0;
+ if (!force_crop && subpic->b_subtitle)
+ y_margin = spu_invscale_h(sys->margin, scale_size);
/* Place the picture
* We compute the position in the rendered size */
- SpuRegionPlace( &i_x_offset, &i_y_offset,
- p_subpic, p_region, i_margin_y );
+ SpuRegionPlace(&x_offset, &y_offset,
+ subpic, region);
/* Save this position for subtitle overlap support
* it is really important that there are given without scale_size applied */
- *p_area = spu_area_create( i_x_offset, i_y_offset,
- p_region->fmt.i_width, p_region->fmt.i_height,
- scale_size );
+ *dst_area = spu_area_create(x_offset, y_offset,
+ region->fmt.i_width, region->fmt.i_height,
+ scale_size);
/* Handle overlapping subtitles when possible */
- if( p_subpic->b_subtitle && !p_subpic->b_absolute )
- {
- spu_area_t display = spu_area_create( 0, 0, p_fmt->i_width, p_fmt->i_height,
- spu_scale_unit() );
+ if (subpic->b_subtitle && !subpic->b_absolute)
+ SpuAreaFixOverlap(dst_area, subtitle_area, subtitle_area_count,
+ region->i_align);
- SpuAreaFixOverlap( p_area, &display, p_subtitle_area, i_subtitle_area,
- p_region->i_align );
- }
+ /* we copy the area: for the subtitle overlap support we want
+ * to only save the area without margin applied */
+ spu_area_t restrained = *dst_area;
+
+ /* apply margin to subtitles and correct if they go over the picture edge */
+ if (subpic->b_subtitle)
+ restrained.y -= y_margin;
+
+ spu_area_t display = spu_area_create(0, 0, fmt->i_width, fmt->i_height,
+ spu_scale_unit());
+ SpuAreaFitInside(&restrained, &display);
/* Fix the position for the current scale_size */
- i_x_offset = spu_scale_w( p_area->i_x, p_area->scale );
- i_y_offset = spu_scale_h( p_area->i_y, p_area->scale );
+ x_offset = spu_scale_w(restrained.x, restrained.scale);
+ y_offset = spu_scale_h(restrained.y, restrained.scale);
/* */
- if( b_force_palette )
- {
- video_palette_t *p_palette = p_region->fmt.p_palette;
- video_palette_t palette;
+ if (force_palette) {
+ video_palette_t *old_palette = region->fmt.p_palette;
+ video_palette_t new_palette;
/* We suppose DVD palette here */
- palette.i_entries = 4;
- for( int i = 0; i < 4; i++ )
- for( int j = 0; j < 4; j++ )
- palette.palette[i][j] = p_sys->palette[i][j];
-
- if( p_palette->i_entries == palette.i_entries )
- {
- for( int i = 0; i < p_palette->i_entries; i++ )
- for( int j = 0; j < 4; j++ )
- b_changed_palette |= p_palette->palette[i][j] != palette.palette[i][j];
- }
- else
- {
- b_changed_palette = true;
+ new_palette.i_entries = 4;
+ for (int i = 0; i < 4; i++)
+ for (int j = 0; j < 4; j++)
+ new_palette.palette[i][j] = sys->palette[i][j];
+
+ if (old_palette->i_entries == new_palette.i_entries) {
+ for (int i = 0; i < old_palette->i_entries; i++)
+ for (int j = 0; j < 4; j++)
+ changed_palette |= old_palette->palette[i][j] != new_palette.palette[i][j];
+ } else {
+ changed_palette = true;
}
- *p_palette = palette;
+ *old_palette = new_palette;
}
/* */
- region_fmt = p_region->fmt;
- p_region_picture = p_region->p_picture;
+ region_fmt = region->fmt;
+ region_picture = region->p_picture;
+ bool convert_chroma = true;
+ for (int i = 0; chroma_list[i] && convert_chroma; i++) {
+ if (region_fmt.i_chroma == chroma_list[i])
+ convert_chroma = false;
+ }
/* Scale from rendered size to destination size */
- if( p_sys->p_scale && p_sys->p_scale->p_module &&
- ( !b_using_palette || ( p_sys->p_scale_yuvp && p_sys->p_scale_yuvp->p_module ) ) &&
- ( scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT || b_using_palette ) )
- {
- const unsigned i_dst_width = spu_scale_w( p_region->fmt.i_width, scale_size );
- const unsigned i_dst_height = spu_scale_h( p_region->fmt.i_height, scale_size );
+ if (sys->scale && sys->scale->p_module &&
+ (!using_palette || (sys->scale_yuvp && sys->scale_yuvp->p_module)) &&
+ (scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT ||
+ using_palette || convert_chroma)) {
+ const unsigned dst_width = spu_scale_w(region->fmt.i_width, scale_size);
+ const unsigned dst_height = spu_scale_h(region->fmt.i_height, scale_size);
/* Destroy the cache if unusable */
- if( p_region->p_private )
- {
- subpicture_region_private_t *p_private = p_region->p_private;
- bool b_changed = false;
+ if (region->p_private) {
+ subpicture_region_private_t *private = region->p_private;
+ bool is_changed = false;
/* Check resize changes */
- if( i_dst_width != p_private->fmt.i_width ||
- i_dst_height != p_private->fmt.i_height )
- b_changed = true;
+ if (dst_width != private->fmt.i_width ||
+ dst_height != private->fmt.i_height)
+ is_changed = true;
/* Check forced palette changes */
- if( b_changed_palette )
- b_changed = true;
+ if (changed_palette)
+ is_changed = true;
- if( b_changed )
- {
- SpuRegionPrivateDelete( p_private );
- p_region->p_private = NULL;
+ if (convert_chroma && private->fmt.i_chroma != chroma_list[0])
+ is_changed = true;
+
+ if (is_changed) {
+ subpicture_region_private_Delete(private);
+ region->p_private = NULL;
}
}
/* Scale if needed into cache */
- if( !p_region->p_private && i_dst_width > 0 && i_dst_height > 0 )
- {
- filter_t *p_scale = p_sys->p_scale;
+ if (!region->p_private && dst_width > 0 && dst_height > 0) {
+ filter_t *scale = sys->scale;
- picture_t *p_picture = p_region->p_picture;
- picture_Hold( p_picture );
+ picture_t *picture = region->p_picture;
+ picture_Hold(picture);
/* Convert YUVP to YUVA/RGBA first for better scaling quality */
- if( b_using_palette )
- {
- filter_t *p_scale_yuvp = p_sys->p_scale_yuvp;
+ if (using_palette) {
+ filter_t *scale_yuvp = sys->scale_yuvp;
- p_scale_yuvp->fmt_in.video = p_region->fmt;
+ scale_yuvp->fmt_in.video = region->fmt;
- /* TODO converting to RGBA for RGB video output is better */
- p_scale_yuvp->fmt_out.video = p_region->fmt;
- p_scale_yuvp->fmt_out.video.i_chroma = VLC_CODEC_YUVA;
+ scale_yuvp->fmt_out.video = region->fmt;
+ scale_yuvp->fmt_out.video.i_chroma = chroma_list[0];
- p_picture = p_scale_yuvp->pf_video_filter( p_scale_yuvp, p_picture );
- if( !p_picture )
- {
+ picture = scale_yuvp->pf_video_filter(scale_yuvp, picture);
+ if (!picture) {
/* Well we will try conversion+scaling */
- msg_Warn( p_spu, "%4.4s to %4.4s conversion failed",
- (const char*)&p_scale_yuvp->fmt_in.video.i_chroma,
- (const char*)&p_scale_yuvp->fmt_out.video.i_chroma );
+ msg_Warn(spu, "%4.4s to %4.4s conversion failed",
+ (const char*)&scale_yuvp->fmt_in.video.i_chroma,
+ (const char*)&scale_yuvp->fmt_out.video.i_chroma);
}
}
/* Conversion(except from YUVP)/Scaling */
- if( p_picture &&
- ( p_picture->format.i_width != i_dst_width ||
- p_picture->format.i_height != i_dst_height ) )
+ if (picture &&
+ (picture->format.i_width != dst_width ||
+ picture->format.i_height != dst_height ||
+ (convert_chroma && !using_palette)))
{
- p_scale->fmt_in.video = p_picture->format;
- p_scale->fmt_out.video = p_picture->format;
-
- p_scale->fmt_out.video.i_width = i_dst_width;
- p_scale->fmt_out.video.i_height = i_dst_height;
-
- p_scale->fmt_out.video.i_visible_width =
- spu_scale_w( p_region->fmt.i_visible_width, scale_size );
- p_scale->fmt_out.video.i_visible_height =
- spu_scale_h( p_region->fmt.i_visible_height, scale_size );
-
- p_picture = p_scale->pf_video_filter( p_scale, p_picture );
- if( !p_picture )
- msg_Err( p_spu, "scaling failed" );
+ scale->fmt_in.video = picture->format;
+ scale->fmt_out.video = picture->format;
+ if (convert_chroma)
+ scale->fmt_out.i_codec =
+ scale->fmt_out.video.i_chroma = chroma_list[0];
+
+ scale->fmt_out.video.i_width = dst_width;
+ scale->fmt_out.video.i_height = dst_height;
+
+ scale->fmt_out.video.i_visible_width =
+ spu_scale_w(region->fmt.i_visible_width, scale_size);
+ scale->fmt_out.video.i_visible_height =
+ spu_scale_h(region->fmt.i_visible_height, scale_size);
+
+ picture = scale->pf_video_filter(scale, picture);
+ if (!picture)
+ msg_Err(spu, "scaling failed");
}
/* */
- if( p_picture )
- {
- p_region->p_private = SpuRegionPrivateNew( &p_picture->format );
- if( p_region->p_private )
- {
- p_region->p_private->p_picture = p_picture;
- if( !p_region->p_private->p_picture )
- {
- SpuRegionPrivateDelete( p_region->p_private );
- p_region->p_private = NULL;
+ if (picture) {
+ region->p_private = subpicture_region_private_New(&picture->format);
+ if (region->p_private) {
+ region->p_private->p_picture = picture;
+ if (!region->p_private->p_picture) {
+ subpicture_region_private_Delete(region->p_private);
+ region->p_private = NULL;
}
- }
- else
- {
- picture_Release( p_picture );
+ } else {
+ picture_Release(picture);
}
}
}
/* And use the scaled picture */
- if( p_region->p_private )
- {
- region_fmt = p_region->p_private->fmt;
- p_region_picture = p_region->p_private->p_picture;
+ if (region->p_private) {
+ region_fmt = region->p_private->fmt;
+ region_picture = region->p_private->p_picture;
}
}
/* Force cropping if requested */
- if( b_force_crop )
- {
- int i_crop_x = spu_scale_w( p_sys->i_crop_x, scale_size );
- int i_crop_y = spu_scale_h( p_sys->i_crop_y, scale_size );
- int i_crop_width = spu_scale_w( p_sys->i_crop_width, scale_size );
- int i_crop_height= spu_scale_h( p_sys->i_crop_height,scale_size );
+ if (force_crop) {
+ int crop_x = spu_scale_w(sys->crop.x, scale_size);
+ int crop_y = spu_scale_h(sys->crop.y, scale_size);
+ int crop_width = spu_scale_w(sys->crop.width, scale_size);
+ int crop_height= spu_scale_h(sys->crop.height,scale_size);
/* Find the intersection */
- if( i_crop_x + i_crop_width <= i_x_offset ||
- i_x_offset + (int)region_fmt.i_visible_width < i_crop_x ||
- i_crop_y + i_crop_height <= i_y_offset ||
- i_y_offset + (int)region_fmt.i_visible_height < i_crop_y )
- {
+ if (crop_x + crop_width <= x_offset ||
+ x_offset + (int)region_fmt.i_visible_width < crop_x ||
+ crop_y + crop_height <= y_offset ||
+ y_offset + (int)region_fmt.i_visible_height < crop_y) {
/* No intersection */
- region_fmt.i_visible_width =
+ region_fmt.i_visible_width =
region_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)region_fmt.i_visible_width );
- i_y_end = __MIN( i_crop_y + i_crop_height,
- i_y_offset + (int)region_fmt.i_visible_height );
-
- region_fmt.i_x_offset = i_x - i_x_offset;
- region_fmt.i_y_offset = i_y - i_y_offset;
- region_fmt.i_visible_width = i_x_end - i_x;
- region_fmt.i_visible_height = i_y_end - i_y;
-
- i_x_offset = __MAX( i_x, 0 );
- i_y_offset = __MAX( i_y, 0 );
+ } else {
+ int x, y, x_end, y_end;
+ x = __MAX(crop_x, x_offset);
+ y = __MAX(crop_y, y_offset);
+ x_end = __MIN(crop_x + crop_width,
+ x_offset + (int)region_fmt.i_visible_width);
+ y_end = __MIN(crop_y + crop_height,
+ y_offset + (int)region_fmt.i_visible_height);
+
+ region_fmt.i_x_offset = x - x_offset;
+ region_fmt.i_y_offset = y - y_offset;
+ region_fmt.i_visible_width = x_end - x;
+ region_fmt.i_visible_height = y_end - y;
+
+ x_offset = __MAX(x, 0);
+ y_offset = __MAX(y, 0);
}
}
- /* Update the blender */
- SpuRenderUpdateBlend( p_spu, p_fmt->i_width, p_fmt->i_height, ®ion_fmt );
-
- if( p_sys->p_blend->p_module )
- {
- const int i_alpha = SpuRegionAlpha( p_subpic, p_region );
-
- p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_pic_dst,
- p_region_picture, i_x_offset, i_y_offset, i_alpha );
- }
- else
- {
- msg_Err( p_spu, "blending %4.4s to %4.4s failed",
- (char *)&p_sys->p_blend->fmt_out.video.i_chroma,
- (char *)&p_sys->p_blend->fmt_out.video.i_chroma );
+ subpicture_region_t *dst = *dst_ptr = subpicture_region_New(®ion_fmt);
+ if (dst) {
+ dst->i_x = x_offset;
+ dst->i_y = y_offset;
+ dst->i_align = 0;
+ if (dst->p_picture)
+ picture_Release(dst->p_picture);
+ dst->p_picture = picture_Hold(region_picture);
+ int fade_alpha = 255;
+ if (subpic->b_fade) {
+ mtime_t fade_start = subpic->i_start + 3 * (subpic->i_stop - subpic->i_start) / 4;
+
+ if (fade_start <= render_date && fade_start < subpic->i_stop)
+ fade_alpha = 255 * (subpic->i_stop - render_date) /
+ (subpic->i_stop - fade_start);
+ }
+ dst->i_alpha = fade_alpha * subpic->i_alpha * region->i_alpha / 65025;
}
exit:
- if( b_rerender_text )
- {
+ if (restore_text) {
/* Some forms of subtitles need to be re-rendered more than
* once, eg. karaoke. We therefore restore the region to its
* pre-rendered state, so the next time through everything is
* calculated again.
*/
- if( p_region->p_picture )
- {
- picture_Release( p_region->p_picture );
- p_region->p_picture = NULL;
+ if (region->p_picture) {
+ picture_Release(region->p_picture);
+ region->p_picture = NULL;
}
- if( p_region->p_private )
- {
- SpuRegionPrivateDelete( p_region->p_private );
- p_region->p_private = NULL;
+ if (region->p_private) {
+ subpicture_region_private_Delete(region->p_private);
+ region->p_private = NULL;
}
- p_region->i_align &= ~SUBPICTURE_RENDERED;
+ region->fmt = fmt_original;
}
- if( b_restore_format )
- p_region->fmt = fmt_original;
}
/**
- * This function compares two 64 bits integers.
- * It can be used by qsort.
- */
-static int IntegerCmp( int64_t i0, int64_t i1 )
-{
- return i0 < i1 ? -1 : i0 > i1 ? 1 : 0;
-}
-/**
- * This function compares 2 subpictures using the following properties
- * (ordered by priority)
- * 1. absolute positionning
- * 2. start time
- * 3. creation order (per channel)
- *
- * It can be used by qsort.
- *
- * XXX spu_RenderSubpictures depends heavily on this order.
+ * This function renders all sub picture units in the list.
*/
-static int SubpictureCmp( const void *s0, const void *s1 )
-{
- subpicture_t *p_subpic0 = *(subpicture_t**)s0;
- subpicture_t *p_subpic1 = *(subpicture_t**)s1;
- int r;
+static subpicture_t *SpuRenderSubpictures(spu_t *spu,
+ unsigned int i_subpicture,
+ subpicture_t **pp_subpicture,
+ const vlc_fourcc_t *chroma_list,
+ const video_format_t *fmt_dst,
+ const video_format_t *fmt_src,
+ mtime_t render_subtitle_date,
+ mtime_t render_osd_date)
+{
+ spu_private_t *sys = spu->p;
+
+ /* Count the number of regions and subtitle regions */
+ unsigned int subtitle_region_count = 0;
+ unsigned int region_count = 0;
+ for (unsigned i = 0; i < i_subpicture; i++) {
+ const subpicture_t *subpic = pp_subpicture[i];
+
+ unsigned count = 0;
+ for (subpicture_region_t *r = subpic->p_region; r != NULL; r = r->p_next)
+ count++;
+
+ if (subpic->b_subtitle)
+ subtitle_region_count += count;
+ region_count += count;
+ }
+ if (region_count <= 0)
+ return NULL;
- r = IntegerCmp( !p_subpic0->b_absolute, !p_subpic1->b_absolute );
- if( !r )
- r = IntegerCmp( p_subpic0->i_start, p_subpic1->i_start );
- if( !r )
- r = IntegerCmp( p_subpic0->i_channel, p_subpic1->i_channel );
- if( !r )
- r = IntegerCmp( p_subpic0->i_order, p_subpic1->i_order );
- return r;
-}
+ /* Create the output subpicture */
+ subpicture_t *output = subpicture_New(NULL);
+ if (!output)
+ return NULL;
+ output->i_original_picture_width = fmt_dst->i_width;
+ output->i_original_picture_height = fmt_dst->i_height;
+ subpicture_region_t **output_last_ptr = &output->p_region;
-/*****************************************************************************
- * SpuClearChannel: clear an spu channel
- *****************************************************************************
- * This function destroys the subpictures which belong to the spu channel
- * corresponding to i_channel_id.
- *****************************************************************************/
-static void SpuClearChannel( spu_t *p_spu, int i_channel )
-{
- spu_private_t *p_sys = p_spu->p;
- int i_subpic; /* subpicture index */
+ /* Allocate area array for subtitle overlap */
+ spu_area_t subtitle_area_buffer[VOUT_MAX_SUBPICTURES];
+ spu_area_t *subtitle_area;
+ int subtitle_area_count;
- vlc_mutex_lock( &p_sys->lock );
+ subtitle_area_count = 0;
+ subtitle_area = subtitle_area_buffer;
+ if (subtitle_region_count > sizeof(subtitle_area_buffer)/sizeof(*subtitle_area_buffer))
+ subtitle_area = calloc(subtitle_region_count, sizeof(*subtitle_area));
- for( i_subpic = 0; i_subpic < VOUT_MAX_SUBPICTURES; i_subpic++ )
- {
- spu_heap_entry_t *p_entry = &p_sys->heap.p_entry[i_subpic];
- subpicture_t *p_subpic = p_entry->p_subpicture;
+ /* Process all subpictures and regions (in the right order) */
+ for (unsigned int index = 0; index < i_subpicture; index++) {
+ subpicture_t *subpic = pp_subpicture[index];
+ subpicture_region_t *region;
- if( !p_subpic )
- continue;
- if( p_subpic->i_channel != i_channel && ( i_channel != -1 || p_subpic->i_channel == DEFAULT_CHAN ) )
+ if (!subpic->p_region)
continue;
- /* You cannot delete subpicture outside of spu_SortSubpictures */
- p_entry->b_reject = true;
- }
+ if (subpic->i_original_picture_width <= 0 ||
+ subpic->i_original_picture_height <= 0) {
+ if (subpic->i_original_picture_width > 0 ||
+ subpic->i_original_picture_height > 0)
+ msg_Err(spu, "original picture size %dx%d is unsupported",
+ subpic->i_original_picture_width,
+ subpic->i_original_picture_height);
+ else
+ msg_Warn(spu, "original picture size is undefined");
- vlc_mutex_unlock( &p_sys->lock );
-}
+ subpic->i_original_picture_width = fmt_src->i_width;
+ subpic->i_original_picture_height = fmt_src->i_height;
+ }
-/*****************************************************************************
- * spu_ControlDefault: default methods for the subpicture unit control.
- *****************************************************************************/
-static int SpuControl( spu_t *p_spu, int i_query, va_list args )
-{
- spu_private_t *p_sys = p_spu->p;
- int *pi, i;
-
- switch( i_query )
- {
- case SPU_CHANNEL_REGISTER:
- pi = (int *)va_arg( args, int * );
- vlc_mutex_lock( &p_sys->lock );
- if( pi )
- *pi = p_sys->i_channel++;
- vlc_mutex_unlock( &p_sys->lock );
- 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;
+ if (sys->text) {
+ /* FIXME aspect ratio ? */
+ sys->text->fmt_out.video.i_width =
+ sys->text->fmt_out.video.i_visible_width = subpic->i_original_picture_width;
+
+ sys->text->fmt_out.video.i_height =
+ sys->text->fmt_out.video.i_visible_height = subpic->i_original_picture_height;
+ }
+
+ /* Render all regions
+ * We always transform non absolute subtitle into absolute one on the
+ * first rendering to allow good subtitle overlap support.
+ */
+ for (region = subpic->p_region; region != NULL; region = region->p_next) {
+ spu_area_t area;
+
+ /* Compute region scale AR */
+ video_format_t region_fmt = region->fmt;
+ if (region_fmt.i_sar_num <= 0 || region_fmt.i_sar_den <= 0) {
+ region_fmt.i_sar_num = (int64_t)fmt_dst->i_width * fmt_dst->i_sar_num * subpic->i_original_picture_height;
+ region_fmt.i_sar_den = (int64_t)fmt_dst->i_height * fmt_dst->i_sar_den * subpic->i_original_picture_width;
+ vlc_ureduce(®ion_fmt.i_sar_num, ®ion_fmt.i_sar_den,
+ region_fmt.i_sar_num, region_fmt.i_sar_den, 65536);
+ }
+
+ /* Compute scaling from original size to destination size
+ * FIXME The current scaling ensure that the heights match, the width being
+ * cropped.
+ */
+ spu_scale_t scale = spu_scale_createq((int64_t)fmt_dst->i_height * fmt_dst->i_sar_den * region_fmt.i_sar_num,
+ (int64_t)subpic->i_original_picture_height * fmt_dst->i_sar_num * region_fmt.i_sar_den,
+ fmt_dst->i_height,
+ subpic->i_original_picture_height);
+
+ /* Check scale validity */
+ if (scale.w <= 0 || scale.h <= 0)
+ continue;
+
+ /* */
+ SpuRenderRegion(spu, output_last_ptr, &area,
+ subpic, region, scale,
+ chroma_list, fmt_dst,
+ subtitle_area, subtitle_area_count,
+ subpic->b_subtitle ? render_subtitle_date : render_osd_date);
+ if (*output_last_ptr)
+ output_last_ptr = &(*output_last_ptr)->p_next;
+
+ if (subpic->b_subtitle) {
+ area = spu_area_unscaled(area, scale);
+ if (!subpic->b_absolute && area.width > 0 && area.height > 0) {
+ region->i_x = area.x;
+ region->i_y = area.y;
+ }
+ if (subtitle_area)
+ subtitle_area[subtitle_area_count++] = area;
+ }
+ }
+ if (subpic->b_subtitle && subpic->p_region)
+ subpic->b_absolute = true;
}
- return VLC_SUCCESS;
+ /* */
+ if (subtitle_area != subtitle_area_buffer)
+ free(subtitle_area);
+
+ return output;
}
/*****************************************************************************
* 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 )
+static void UpdateSPU(spu_t *spu, vlc_object_t *object)
{
- spu_private_t *p_sys = p_spu->p;
+ spu_private_t *sys = spu->p;
vlc_value_t val;
- vlc_mutex_lock( &p_sys->lock );
+ vlc_mutex_lock(&sys->lock);
- p_sys->b_force_palette = false;
- p_sys->b_force_crop = false;
+ sys->force_palette = false;
+ sys->force_crop = false;
- if( var_Get( p_object, "highlight", &val ) || !val.b_bool )
- {
- vlc_mutex_unlock( &p_sys->lock );
+ if (var_Get(object, "highlight", &val) || !val.b_bool) {
+ vlc_mutex_unlock(&sys->lock);
return;
}
- p_sys->b_force_crop = true;
- p_sys->i_crop_x = var_GetInteger( p_object, "x-start" );
- p_sys->i_crop_y = var_GetInteger( p_object, "y-start" );
- p_sys->i_crop_width = var_GetInteger( p_object, "x-end" ) - p_sys->i_crop_x;
- p_sys->i_crop_height = var_GetInteger( p_object, "y-end" ) - p_sys->i_crop_y;
+ sys->force_crop = true;
+ sys->crop.x = var_GetInteger(object, "x-start");
+ sys->crop.y = var_GetInteger(object, "y-start");
+ sys->crop.width = var_GetInteger(object, "x-end") - sys->crop.x;
+ sys->crop.height = var_GetInteger(object, "y-end") - sys->crop.y;
- if( var_Get( p_object, "menu-palette", &val ) == VLC_SUCCESS )
- {
- memcpy( p_sys->palette, val.p_address, 16 );
- p_sys->b_force_palette = true;
+ if (var_Get(object, "menu-palette", &val) == VLC_SUCCESS) {
+ memcpy(sys->palette, val.p_address, 16);
+ sys->force_palette = true;
}
- vlc_mutex_unlock( &p_sys->lock );
+ vlc_mutex_unlock(&sys->lock);
- msg_Dbg( p_object, "crop: %i,%i,%i,%i, palette forced: %i",
- p_sys->i_crop_x, p_sys->i_crop_y,
- p_sys->i_crop_width, p_sys->i_crop_height,
- p_sys->b_force_palette );
+ msg_Dbg(object, "crop: %i,%i,%i,%i, palette forced: %i",
+ sys->crop.x, sys->crop.y,
+ sys->crop.width, sys->crop.height,
+ sys->force_palette);
}
/*****************************************************************************
*****************************************************************************
* 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 )
+static int CropCallback(vlc_object_t *object, char const *var,
+ vlc_value_t oldval, vlc_value_t newval, void *data)
{
- VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(psz_var);
+ VLC_UNUSED(oldval); VLC_UNUSED(newval); VLC_UNUSED(var);
- UpdateSPU( (spu_t *)p_data, p_object );
+ UpdateSPU((spu_t *)data, object);
return VLC_SUCCESS;
}
/*****************************************************************************
* Buffers allocation callbacks for the filters
*****************************************************************************/
-struct filter_owner_sys_t
-{
- spu_t *p_spu;
- int i_channel;
-};
-static subpicture_t *sub_new_buffer( filter_t *p_filter )
+static subpicture_t *sub_new_buffer(filter_t *filter)
{
- filter_owner_sys_t *p_sys = p_filter->p_owner;
+ filter_owner_sys_t *sys = filter->p_owner;
- subpicture_t *p_subpicture = subpicture_New();
- if( p_subpicture )
- p_subpicture->i_channel = p_sys->i_channel;
- return p_subpicture;
+ subpicture_t *subpicture = subpicture_New(NULL);
+ if (subpicture)
+ subpicture->i_channel = sys->channel;
+ return subpicture;
}
-static void sub_del_buffer( filter_t *p_filter, subpicture_t *p_subpic )
+static void sub_del_buffer(filter_t *filter, subpicture_t *subpic)
{
- VLC_UNUSED( p_filter );
- subpicture_Delete( p_subpic );
+ VLC_UNUSED(filter);
+ subpicture_Delete(subpic);
}
-static subpicture_t *spu_new_buffer( filter_t *p_filter )
+static int SubSourceAllocationInit(filter_t *filter, void *data)
{
- VLC_UNUSED(p_filter);
- return subpicture_New();
+ spu_t *spu = data;
+
+ filter_owner_sys_t *sys = malloc(sizeof(*sys));
+ if (!sys)
+ return VLC_EGENERIC;
+
+ filter->pf_sub_buffer_new = sub_new_buffer;
+ filter->pf_sub_buffer_del = sub_del_buffer;
+
+ filter->p_owner = sys;
+ sys->channel = spu_RegisterChannel(spu);
+ sys->spu = spu;
+
+ return VLC_SUCCESS;
}
-static void spu_del_buffer( filter_t *p_filter, subpicture_t *p_subpic )
+
+static void SubSourceAllocationClean(filter_t *filter)
{
- VLC_UNUSED(p_filter);
- subpicture_Delete( p_subpic );
+ filter_owner_sys_t *sys = filter->p_owner;
+
+ spu_ClearChannel(sys->spu, sys->channel);
+ free(filter->p_owner);
}
-static picture_t *spu_new_video_buffer( filter_t *p_filter )
+/*****************************************************************************
+ * Public API
+ *****************************************************************************/
+
+#undef spu_Create
+/**
+ * Creates the subpicture unit
+ *
+ * \param p_this the parent object which creates the subpicture unit
+ */
+spu_t *spu_Create(vlc_object_t *object)
{
- const video_format_t *p_fmt = &p_filter->fmt_out.video;
+ spu_t *spu = vlc_custom_create(object,
+ sizeof(spu_t) + sizeof(spu_private_t),
+ "subpicture");
+ if (!spu)
+ return NULL;
+
+ /* Initialize spu fields */
+ spu_private_t *sys = spu->p = (spu_private_t*)&spu[1];
+
+ /* Initialize private fields */
+ vlc_mutex_init(&sys->lock);
+
+ SpuHeapInit(&sys->heap);
+
+ sys->text = NULL;
+ sys->scale = NULL;
+ sys->scale_yuvp = NULL;
+
+ sys->margin = var_InheritInteger(spu, "sub-margin");
+
+ /* Register the default subpicture channel */
+ sys->channel = SPU_DEFAULT_CHANNEL + 1;
+
+ sys->source_chain_update = NULL;
+ sys->filter_chain_update = NULL;
+ vlc_mutex_init(&sys->source_chain_lock);
+ vlc_mutex_init(&sys->filter_chain_lock);
+ sys->source_chain = filter_chain_New(spu, "sub source", false,
+ SubSourceAllocationInit,
+ SubSourceAllocationClean,
+ spu);
+ sys->filter_chain = filter_chain_New(spu, "sub filter", false,
+ NULL,
+ NULL,
+ spu);
+
+ /* Load text and scale module */
+ sys->text = SpuRenderCreateAndLoadText(spu);
+
+ /* XXX spu->p_scale is used for all conversion/scaling except yuvp to
+ * yuva/rgba */
+ sys->scale = SpuRenderCreateAndLoadScale(VLC_OBJECT(spu),
+ VLC_CODEC_YUVA, VLC_CODEC_RGBA, true);
+
+ /* This one is used for YUVP to YUVA/RGBA without scaling
+ * FIXME rename it */
+ sys->scale_yuvp = SpuRenderCreateAndLoadScale(VLC_OBJECT(spu),
+ VLC_CODEC_YUVP, VLC_CODEC_YUVA, false);
+
+ /* */
+ sys->last_sort_date = -1;
- VLC_UNUSED(p_filter);
- return picture_New( p_fmt->i_chroma,
- p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
+ return spu;
}
-static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_picture )
+
+/**
+ * Destroy the subpicture unit
+ *
+ * \param p_this the parent object which destroys the subpicture unit
+ */
+void spu_Destroy(spu_t *spu)
{
- VLC_UNUSED(p_filter);
- picture_Release( p_picture );
+ spu_private_t *sys = spu->p;
+
+ if (sys->text)
+ FilterRelease(sys->text);
+
+ if (sys->scale_yuvp)
+ FilterRelease(sys->scale_yuvp);
+
+ if (sys->scale)
+ FilterRelease(sys->scale);
+
+ filter_chain_Delete(sys->source_chain);
+ filter_chain_Delete(sys->filter_chain);
+ vlc_mutex_destroy(&sys->source_chain_lock);
+ vlc_mutex_destroy(&sys->filter_chain_lock);
+ free(sys->source_chain_update);
+ free(sys->filter_chain_update);
+
+ /* Destroy all remaining subpictures */
+ SpuHeapClean(&sys->heap);
+
+ vlc_mutex_destroy(&sys->lock);
+
+ vlc_object_release(spu);
}
-static int SubFilterAllocationInit( filter_t *p_filter, void *p_data )
+/**
+ * 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 *spu, vlc_object_t *input, bool attach)
{
- spu_t *p_spu = p_data;
+ if (attach) {
+ UpdateSPU(spu, input);
+ var_Create(input, "highlight", VLC_VAR_BOOL);
+ var_AddCallback(input, "highlight", CropCallback, spu);
- filter_owner_sys_t *p_sys = malloc( sizeof(filter_owner_sys_t) );
- if( !p_sys )
- return VLC_EGENERIC;
+ vlc_mutex_lock(&spu->p->lock);
+ spu->p->input = input;
+
+ if (spu->p->text)
+ FilterRelease(spu->p->text);
+ spu->p->text = SpuRenderCreateAndLoadText(spu);
+
+ vlc_mutex_unlock(&spu->p->lock);
+ } else {
+ vlc_mutex_lock(&spu->p->lock);
+ spu->p->input = NULL;
+ vlc_mutex_unlock(&spu->p->lock);
+
+ /* Delete callbacks */
+ var_DelCallback(input, "highlight", CropCallback, spu);
+ var_Destroy(input, "highlight");
+ }
+}
- p_filter->pf_sub_buffer_new = sub_new_buffer;
- p_filter->pf_sub_buffer_del = sub_del_buffer;
+/**
+ * Inform the SPU filters of mouse event
+ */
+int spu_ProcessMouse(spu_t *spu,
+ const vlc_mouse_t *mouse,
+ const video_format_t *fmt)
+{
+ spu_private_t *sys = spu->p;
- p_filter->p_owner = p_sys;
- spu_Control( p_spu, SPU_CHANNEL_REGISTER, &p_sys->i_channel );
- p_sys->p_spu = p_spu;
+ vlc_mutex_lock(&sys->source_chain_lock);
+ filter_chain_MouseEvent(sys->source_chain, mouse, fmt);
+ vlc_mutex_unlock(&sys->source_chain_lock);
return VLC_SUCCESS;
}
-static void SubFilterAllocationClean( filter_t *p_filter )
+/**
+ * Display a subpicture
+ *
+ * Remove the reservation flag of a subpicture, which will cause it to be
+ * ready for display.
+ * \param spu the subpicture unit object
+ * \param subpic the subpicture to display
+ */
+void spu_PutSubpicture(spu_t *spu, subpicture_t *subpic)
+{
+ spu_private_t *sys = spu->p;
+
+ /* Update sub-filter chain */
+ vlc_mutex_lock(&sys->lock);
+ char *chain_update = sys->filter_chain_update;
+ sys->filter_chain_update = NULL;
+ vlc_mutex_unlock(&sys->lock);
+
+ bool is_left_empty = false;
+
+ vlc_mutex_lock(&sys->filter_chain_lock);
+ if (chain_update) {
+ filter_chain_Reset(sys->filter_chain, NULL, NULL);
+
+ filter_chain_AppendFromString(spu->p->filter_chain, chain_update);
+
+ /* "sub-source" was formerly "sub-filter", so now the "sub-filter"
+ configuration may contain sub-filters or sub-sources configurations.
+ if the filters chain was left empty it may indicate that it's a sub-source configuration */
+ is_left_empty = (filter_chain_GetLength(spu->p->filter_chain) == 0);
+ }
+ vlc_mutex_unlock(&sys->filter_chain_lock);
+
+
+ if (is_left_empty) {
+ /* try to use the configuration as a sub-source configuration */
+
+ vlc_mutex_lock(&sys->lock);
+ if (!sys->source_chain_update || !*sys->source_chain_update) {
+ free(sys->source_chain_update);
+ sys->source_chain_update = chain_update;
+ chain_update = NULL;
+ }
+ vlc_mutex_unlock(&sys->lock);
+ }
+
+ free(chain_update);
+
+ /* Run filter chain on the new subpicture */
+ subpic = filter_chain_SubFilter(spu->p->filter_chain, subpic);
+ if (!subpic)
+ return;
+
+ /* SPU_DEFAULT_CHANNEL always reset itself */
+ if (subpic->i_channel == SPU_DEFAULT_CHANNEL)
+ spu_ClearChannel(spu, SPU_DEFAULT_CHANNEL);
+
+ /* p_private is for spu only and cannot be non NULL here */
+ for (subpicture_region_t *r = subpic->p_region; r != NULL; r = r->p_next)
+ assert(r->p_private == NULL);
+
+ /* */
+ vlc_mutex_lock(&sys->lock);
+ if (SpuHeapPush(&sys->heap, subpic)) {
+ vlc_mutex_unlock(&sys->lock);
+ msg_Err(spu, "subpicture heap full");
+ subpicture_Delete(subpic);
+ return;
+ }
+ vlc_mutex_unlock(&sys->lock);
+}
+
+subpicture_t *spu_Render(spu_t *spu,
+ const vlc_fourcc_t *chroma_list,
+ const video_format_t *fmt_dst,
+ const video_format_t *fmt_src,
+ mtime_t render_subtitle_date,
+ mtime_t render_osd_date,
+ bool ignore_osd)
+{
+ spu_private_t *sys = spu->p;
+
+ /* Update sub-source chain */
+ vlc_mutex_lock(&sys->lock);
+ char *chain_update = sys->source_chain_update;
+ sys->source_chain_update = NULL;
+ vlc_mutex_unlock(&sys->lock);
+
+ vlc_mutex_lock(&sys->source_chain_lock);
+ if (chain_update) {
+ filter_chain_Reset(sys->source_chain, NULL, NULL);
+
+ filter_chain_AppendFromString(spu->p->source_chain, chain_update);
+
+ free(chain_update);
+ }
+ /* Run subpicture sources */
+ filter_chain_SubSource(sys->source_chain, render_osd_date);
+ vlc_mutex_unlock(&sys->source_chain_lock);
+
+ static const vlc_fourcc_t chroma_list_default_yuv[] = {
+ VLC_CODEC_YUVA,
+ VLC_CODEC_RGBA,
+ VLC_CODEC_YUVP,
+ 0,
+ };
+ static const vlc_fourcc_t chroma_list_default_rgb[] = {
+ VLC_CODEC_RGBA,
+ VLC_CODEC_YUVA,
+ VLC_CODEC_YUVP,
+ 0,
+ };
+
+ if (!chroma_list || *chroma_list == 0)
+ chroma_list = vlc_fourcc_IsYUV(fmt_dst->i_chroma) ? chroma_list_default_yuv
+ : chroma_list_default_rgb;
+
+ vlc_mutex_lock(&sys->lock);
+
+ unsigned int subpicture_count;
+ subpicture_t *subpicture_array[VOUT_MAX_SUBPICTURES];
+
+ /* Get an array of subpictures to render */
+ SpuSelectSubpictures(spu, &subpicture_count, subpicture_array,
+ render_subtitle_date, render_osd_date, ignore_osd);
+ if (subpicture_count <= 0) {
+ vlc_mutex_unlock(&sys->lock);
+ return NULL;
+ }
+
+ /* Updates the subpictures */
+ for (unsigned i = 0; i < subpicture_count; i++) {
+ subpicture_t *subpic = subpicture_array[i];
+ subpicture_Update(subpic,
+ fmt_src, fmt_dst,
+ subpic->b_subtitle ? render_subtitle_date : render_osd_date);
+ }
+
+ /* Now order the subpicture array
+ * XXX The order is *really* important for overlap subtitles positionning */
+ qsort(subpicture_array, subpicture_count, sizeof(*subpicture_array), SubpictureCmp);
+
+ /* Render the subpictures */
+ subpicture_t *render = SpuRenderSubpictures(spu,
+ subpicture_count, subpicture_array,
+ chroma_list,
+ fmt_dst,
+ fmt_src,
+ render_subtitle_date,
+ render_osd_date);
+ vlc_mutex_unlock(&sys->lock);
+
+ return render;
+}
+
+void spu_OffsetSubtitleDate(spu_t *spu, mtime_t duration)
{
- filter_owner_sys_t *p_sys = p_filter->p_owner;
+ spu_private_t *sys = spu->p;
- SpuClearChannel( p_sys->p_spu, p_sys->i_channel );
- free( p_filter->p_owner );
+ vlc_mutex_lock(&sys->lock);
+ for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) {
+ spu_heap_entry_t *entry = &sys->heap.entry[i];
+ subpicture_t *current = entry->subpicture;
+
+ if (current && current->b_subtitle) {
+ if (current->i_start > 0)
+ current->i_start += duration;
+ if (current->i_stop > 0)
+ current->i_stop += duration;
+ }
+ }
+ vlc_mutex_unlock(&sys->lock);
}
-static int SubFilterCallback( vlc_object_t *p_object, char const *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
+int spu_RegisterChannel(spu_t *spu)
{
- spu_t *p_spu = p_data;
- spu_private_t *p_sys = p_spu->p;
+ spu_private_t *sys = spu->p;
- VLC_UNUSED(p_object); VLC_UNUSED(oldval); VLC_UNUSED(psz_var);
+ vlc_mutex_lock(&sys->lock);
+ int channel = sys->channel++;
+ vlc_mutex_unlock(&sys->lock);
- vlc_mutex_lock( &p_sys->lock );
+ return channel;
+}
- free( p_sys->psz_chain_update );
- p_sys->psz_chain_update = strdup( newval.psz_string );
+void spu_ClearChannel(spu_t *spu, int channel)
+{
+ spu_private_t *sys = spu->p;
- vlc_mutex_unlock( &p_sys->lock );
- return VLC_SUCCESS;
+ vlc_mutex_lock(&sys->lock);
+
+ for (int i = 0; i < VOUT_MAX_SUBPICTURES; i++) {
+ spu_heap_entry_t *entry = &sys->heap.entry[i];
+ subpicture_t *subpic = entry->subpicture;
+
+ if (!subpic)
+ continue;
+ if (subpic->i_channel != channel && (channel != -1 || subpic->i_channel == SPU_DEFAULT_CHANNEL))
+ continue;
+
+ /* You cannot delete subpicture outside of spu_SortSubpictures */
+ entry->reject = true;
+ }
+
+ vlc_mutex_unlock(&sys->lock);
+}
+
+void spu_ChangeSources(spu_t *spu, const char *filters)
+{
+ spu_private_t *sys = spu->p;
+
+ vlc_mutex_lock(&sys->lock);
+
+ free(sys->source_chain_update);
+ sys->source_chain_update = strdup(filters);
+
+ vlc_mutex_unlock(&sys->lock);
+}
+
+void spu_ChangeFilters(spu_t *spu, const char *filters)
+{
+ spu_private_t *sys = spu->p;
+
+ vlc_mutex_lock(&sys->lock);
+
+ free(sys->filter_chain_update);
+ sys->filter_chain_update = strdup(filters);
+
+ vlc_mutex_unlock(&sys->lock);
+}
+
+void spu_ChangeMargin(spu_t *spu, int margin)
+{
+ spu_private_t *sys = spu->p;
+
+ vlc_mutex_lock(&sys->lock);
+ sys->margin = margin;
+ vlc_mutex_unlock(&sys->lock);
}
projects / vlc / blobdiff