# include "config.h"
#endif
+#include <assert.h>
+#include <limits.h>
+
#include <vlc_common.h>
#include <vlc_vout.h>
#include <vlc_block.h>
#include "vout_internal.h"
#include <vlc_image.h>
-#include <assert.h>
-#include <limits.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
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 MarginCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
static int SpuControl( spu_t *, int, va_list );
/*****************************************************************************
* 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 *p_this )
+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;
+ vlc_object_attach( p_spu, p_this );
/* Initialize spu fields */
p_spu->pf_control = SpuControl;
p_sys->p_scale = NULL;
p_sys->p_scale_yuvp = NULL;
+ p_sys->i_margin = var_InheritInteger( p_spu, "sub-margin" );
+
/* 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,
*/
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" );
if( b_attach )
{
UpdateSPU( p_spu, VLC_OBJECT(p_input) );
+ var_Create( p_input, "highlight", VLC_VAR_BOOL );
var_AddCallback( p_input, "highlight", CropCallback, p_spu );
+ var_AddCallback( p_input, "sub-margin", MarginCallback, p_spu->p );
+
+ vlc_mutex_lock( &p_spu->p->lock );
+ p_spu->p->i_margin = var_GetInteger( p_input, "sub-margin" );
+ vlc_mutex_unlock( &p_spu->p->lock );
+
vlc_object_release( p_input );
}
else
{
- /* Delete callback */
+ /* Delete callbacks */
+ var_DelCallback( p_input, "sub-margin", MarginCallback, p_spu->p );
var_DelCallback( p_input, "highlight", CropCallback, p_spu );
+ var_Destroy( p_input, "highlight" );
vlc_object_release( p_input );
}
}
picture_t *p_pic_dst, const video_format_t *p_fmt_dst,
subpicture_t *p_subpic_list,
const video_format_t *p_fmt_src,
- mtime_t render_date )
+ mtime_t render_subtitle_date )
{
spu_private_t *p_sys = p_spu->p;
- const mtime_t system_date = mdate();
+ const mtime_t render_osd_date = mdate();
const int i_source_video_width = p_fmt_src->i_width;
const int i_source_video_height = p_fmt_src->i_height;
p_subpic != NULL;
p_subpic = p_subpic->p_next )
{
- /* TODO remove pre-render */
- if( p_subpic->pf_pre_render )
- p_subpic->pf_pre_render( p_spu, p_subpic, p_fmt_dst );
-
if( p_subpic->pf_update_regions )
{
video_format_t fmt_org = *p_fmt_dst;
fmt_org.i_visible_height = i_source_video_height;
p_subpic->pf_update_regions( p_spu, p_subpic, &fmt_org,
- p_subpic->b_subtitle ? render_date : system_date );
+ p_subpic->b_subtitle ? render_subtitle_date : render_osd_date );
}
/* */
/* Create the blending module */
if( !p_sys->p_blend )
- p_spu->p->p_blend = filter_NewBlend( VLC_OBJECT(p_spu), p_fmt_dst->i_chroma );
+ p_spu->p->p_blend = filter_NewBlend( VLC_OBJECT(p_spu), p_fmt_dst );
/* Process all subpictures and regions (in the right order) */
for( unsigned int i_index = 0; i_index < i_subpicture; i_index++ )
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;
- }
+ 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 */
SpuRenderRegion( p_spu, p_pic_dst, &area,
p_subpic, p_region, scale, p_fmt_dst,
p_subtitle_area, i_subtitle_area,
- p_subpic->b_subtitle ? render_date : system_date );
+ p_subpic->b_subtitle ? render_subtitle_date : render_osd_date );
if( p_subpic->b_subtitle )
{
* 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 render_date,
+subpicture_t *spu_SortSubpictures( spu_t *p_spu, mtime_t render_subtitle_date,
bool b_subtitle_only )
{
spu_private_t *p_sys = p_spu->p;
int i_channel;
subpicture_t *p_subpic = NULL;
- const mtime_t system_date = mdate();
+ const mtime_t render_osd_date = mdate();
/* Update sub-filter chain */
vlc_mutex_lock( &p_sys->lock );
}
/* Run subpicture filters */
- filter_chain_SubFilter( p_sys->p_chain, render_date );
+ filter_chain_SubFilter( p_sys->p_chain, render_osd_date );
vlc_mutex_lock( &p_sys->lock );
bool pb_available_late[VOUT_MAX_SUBPICTURES];
int i_available = 0;
- mtime_t start_date = render_date;
+ mtime_t start_date = render_subtitle_date;
mtime_t ephemer_subtitle_date = 0;
- mtime_t ephemer_system_date = 0;
+ mtime_t ephemer_osd_date = 0;
+ int64_t i_ephemer_subtitle_order = INT64_MIN;
+ int64_t i_ephemer_system_order = INT64_MIN;
int i_index;
/* Select available pictures */
{
continue;
}
+ const mtime_t render_date = p_current->b_subtitle ? render_subtitle_date : render_osd_date;
if( render_date &&
render_date < p_current->i_start )
{
continue;
}
- mtime_t *pi_ephemer_date = p_current->b_subtitle ? &ephemer_subtitle_date : &ephemer_system_date;
- if( p_current->i_start > *pi_ephemer_date )
+ mtime_t *pi_ephemer_date = p_current->b_subtitle ? &ephemer_subtitle_date : &ephemer_osd_date;
+ int64_t *pi_ephemer_order = p_current->b_subtitle ? &i_ephemer_subtitle_order : &i_ephemer_system_order;
+ if( p_current->i_start >= *pi_ephemer_date )
+ {
*pi_ephemer_date = p_current->i_start;
+ if( p_current->i_order > *pi_ephemer_order )
+ *pi_ephemer_order = p_current->i_order;
+ }
b_stop_valid = !p_current->b_ephemer || p_current->i_stop > p_current->i_start;
- b_late = b_stop_valid && p_current->i_stop <= p_current->b_subtitle ? render_date : system_date;
+ b_late = b_stop_valid && p_current->i_stop <= render_date;
/* start_date will be used for correct automatic overlap support
* in case picture that should not be displayed anymore (display_time)
subpicture_t *p_current = p_available_subpic[i_index];
bool b_late = pb_available_late[i_index];
- const mtime_t stop_date = p_current->b_subtitle ? __MAX( start_date, p_sys->i_last_sort_date ) : system_date;
- const mtime_t ephemer_date = p_current->b_subtitle ? ephemer_subtitle_date : ephemer_system_date;
+ const mtime_t stop_date = p_current->b_subtitle ? __MAX( start_date, p_sys->i_last_sort_date ) : render_osd_date;
+ const mtime_t ephemer_date = p_current->b_subtitle ? ephemer_subtitle_date : ephemer_osd_date;
+ const int64_t i_ephemer_order = p_current->b_subtitle ? i_ephemer_subtitle_order : i_ephemer_system_order;
- if( ( b_late && p_current->i_stop <= stop_date ) ||
- ( p_current->b_ephemer && p_current->i_start < ephemer_date ) )
+ /* Destroy late and obsolete ephemer subpictures */
+ bool b_rejet = b_late && p_current->i_stop <= stop_date;
+ if( p_current->b_ephemer )
{
- /* Destroy late and obsolete ephemer subpictures */
- SpuHeapDeleteSubpicture( &p_sys->heap, p_current );
+ if( p_current->i_start < ephemer_date )
+ b_rejet = true;
+ else if( p_current->i_start == ephemer_date &&
+ p_current->i_order < i_ephemer_order )
+ b_rejet = true;
}
+
+ if( b_rejet )
+ SpuHeapDeleteSubpicture( &p_sys->heap, p_current );
else
- {
SubpictureChain( &p_subpic, p_current );
- }
}
}
- p_sys->i_last_sort_date = render_date;
+ p_sys->i_last_sort_date = render_subtitle_date;
vlc_mutex_unlock( &p_sys->lock );
return p_subpic;
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;
p_subpic->i_original_picture_width = fmt_out.i_width;
p_subpic->i_original_picture_height = fmt_out.i_height;
- fmt_out.i_aspect = 0;
fmt_out.i_sar_num =
fmt_out.i_sar_den = 0;
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 );
+ p_region->p_picture = picture_NewFromFormat( p_fmt );
if( !p_region->p_picture )
{
- free( p_fmt->p_palette );
+ free( p_region->fmt.p_palette );
free( p_region );
return NULL;
}
if( p_filter->p_module )
module_unneed( p_filter, p_filter->p_module );
- vlc_object_detach( p_filter );
vlc_object_release( p_filter );
}
p_scale->fmt_out.video.i_width =
p_scale->fmt_out.video.i_height = b_resize ? 16 : 32;
- p_scale->pf_vout_buffer_new = spu_new_video_buffer;
- p_scale->pf_vout_buffer_del = spu_del_video_buffer;
+ p_scale->pf_video_buffer_new = spu_new_video_buffer;
+ p_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 );
* 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 )
{
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 );
-
/* Check for overlap
* XXX It is not fast O(n^2) but we should not have a lot of region */
do
{
/* 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;
}
{
/* 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;
}
}
+static void SpuAreaFitInside( spu_area_t *p_area, const spu_area_t *p_boundary )
+{
+ spu_area_t a = spu_area_scaled( *p_area );
+
+ const int i_error_x = (a.i_x + a.i_width) - p_boundary->i_width;
+ if( i_error_x > 0 )
+ a.i_x -= i_error_x;
+ if( a.i_x < 0 )
+ a.i_x = 0;
+
+ const int i_error_y = (a.i_y + a.i_height) - p_boundary->i_height;
+ if( i_error_y > 0 )
+ a.i_y -= i_error_y;
+ if( a.i_y < 0 )
+ a.i_y = 0;
+
+ *p_area = spu_area_unscaled( a, p_area->scale );
+}
+
/**
* 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 subpicture_region_t *p_region )
{
const int i_delta_x = p_region->i_x;
const int i_delta_y = p_region->i_y;
}
/* Margin shifts all subpictures */
+ /* NOTE We have margin only for subtitles, so we don't really need this here
if( i_margin_y != 0 )
- i_y -= i_margin_y;
+ i_y -= i_margin_y;*/
/* Clamp offset to not go out of the screen (when possible) */
+ /* NOTE Again, useful only for subtitles, otherwise goes against the alignment logic above
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_error_y > 0 )
i_y -= i_error_y;
if( i_y < 0 )
- i_y = 0;
+ i_y = 0;*/
*pi_x = i_x;
*pi_y = i_y;
/* 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 );
+ p_subpic, p_region );
/* Save this position for subtitle overlap support
* it is really important that there are given without scale_size applied */
/* Handle overlapping subtitles when possible */
if( p_subpic->b_subtitle && !p_subpic->b_absolute )
{
+ SpuAreaFixOverlap( p_area, 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 = *p_area;
+
+ /* apply margin to subtitles and correct if they go over the picture edge */
+ if( p_subpic->b_subtitle )
+ {
+ restrained.i_y -= i_margin_y;
spu_area_t display = spu_area_create( 0, 0, p_fmt->i_width, p_fmt->i_height,
spu_scale_unit() );
-
- SpuAreaFixOverlap( p_area, &display, p_subtitle_area, i_subtitle_area,
- p_region->i_align );
+ 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 );
+ i_x_offset = spu_scale_w( restrained.i_x, restrained.scale );
+ i_y_offset = spu_scale_h( restrained.i_y, restrained.scale );
/* */
if( b_force_palette )
return VLC_SUCCESS;
}
+/*****************************************************************************
+ * MarginCallback: called when requested subtitle position has changed *
+ *****************************************************************************/
+
+static int MarginCallback( vlc_object_t *p_object, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ VLC_UNUSED( psz_var ); VLC_UNUSED( oldval ); VLC_UNUSED( p_object );
+ spu_private_t *p_sys = ( spu_private_t* ) p_data;
+
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->i_margin = newval.i_int;
+ vlc_mutex_unlock( &p_sys->lock );
+ return VLC_SUCCESS;
+}
+
/*****************************************************************************
* Buffers allocation callbacks for the filters
*****************************************************************************/
const video_format_t *p_fmt = &p_filter->fmt_out.video;
VLC_UNUSED(p_filter);
- return picture_New( p_fmt->i_chroma,
- p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
+ return picture_NewFromFormat( p_fmt );
}
static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_picture )
{