#include <vlc_osd.h>
#include "../libvlc.h"
+#include <assert.h>
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int SubFilterCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
-static int sub_filter_allocation_init( filter_t *, void * );
-static void sub_filter_allocation_clear( filter_t * );
+static int SubFilterAllocationInit( filter_t *, void * );
+static void SubFilterAllocationClean( filter_t * );
struct filter_owner_sys_t
{
spu_t *p_spu;
int i_channel;
};
-enum {
- SCALE_DEFAULT,
- SCALE_TEXT,
- SCALE_SIZE
-};
+#define SCALE_UNIT (1000)
+
+/* */
+static void SpuRenderCreateAndLoadText( spu_t *p_spu );
+static void SpuRenderCreateAndLoadScale( spu_t *p_spu );
+static void FilterRelease( filter_t *p_filter );
/**
* Creates the subpicture unit
p_spu->p_blend = NULL;
p_spu->p_text = NULL;
p_spu->p_scale = NULL;
+ p_spu->p_scale_yuvp = NULL;
p_spu->pf_control = spu_vaControlDefault;
/* Register the default subpicture channel */
vlc_object_attach( p_spu, p_this );
p_spu->p_chain = filter_chain_New( p_spu, "sub filter", false,
- sub_filter_allocation_init,
- sub_filter_allocation_clear,
+ SubFilterAllocationInit,
+ SubFilterAllocationClean,
p_spu );
+
+ /* Load text and scale module */
+ SpuRenderCreateAndLoadText( p_spu );
+ SpuRenderCreateAndLoadScale( p_spu );
+
return p_spu;
}
}
if( p_spu->p_blend )
- {
- if( p_spu->p_blend->p_module )
- module_Unneed( p_spu->p_blend, p_spu->p_blend->p_module );
-
- vlc_object_detach( p_spu->p_blend );
- vlc_object_release( p_spu->p_blend );
- }
+ FilterRelease( p_spu->p_blend );
if( p_spu->p_text )
- {
- if( p_spu->p_text->p_module )
- module_Unneed( p_spu->p_text, p_spu->p_text->p_module );
+ FilterRelease( p_spu->p_text );
- vlc_object_detach( p_spu->p_text );
- vlc_object_release( p_spu->p_text );
- }
+ if( p_spu->p_scale_yuvp )
+ FilterRelease( p_spu->p_scale_yuvp );
if( p_spu->p_scale )
- {
- if( p_spu->p_scale->p_module )
- module_Unneed( p_spu->p_scale, p_spu->p_scale->p_module );
-
- vlc_object_detach( p_spu->p_scale );
- vlc_object_release( p_spu->p_scale );
- }
+ FilterRelease( p_spu->p_scale );
filter_chain_Delete( p_spu->p_chain );
}
}
+
+/* */
+static void RegionPictureRelease( picture_t *p_pic )
+{
+ free( p_pic->p_data_orig );
+ /* We use pf_release nullity to know if the picture has already been released. */
+ p_pic->pf_release = NULL;
+}
+
/**
* Create a subpicture region
*
* \param p_this vlc_object_t
* \param p_fmt the format that this subpicture region should have
*/
-static void RegionPictureRelease( picture_t *p_pic )
-{
- free( p_pic->p_data_orig );
-}
subpicture_region_t *__spu_CreateRegion( vlc_object_t *p_this,
video_format_t *p_fmt )
{
- subpicture_region_t *p_region = malloc( sizeof(subpicture_region_t) );
- if( !p_region ) return NULL;
+ subpicture_region_t *p_region = calloc( 1, sizeof(*p_region ) );
+ if( !p_region )
+ return NULL;
+
+ /* FIXME is that *really* wanted? */
+ if( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') )
+ p_fmt->p_palette = calloc( 1, sizeof(video_palette_t) );
+ else
+ p_fmt->p_palette = NULL; /* XXX and that above all? */
- memset( p_region, 0, sizeof(subpicture_region_t) );
+ p_region->fmt = *p_fmt;
p_region->i_alpha = 0xff;
p_region->p_next = NULL;
p_region->p_cache = NULL;
- p_region->fmt = *p_fmt;
p_region->psz_text = NULL;
p_region->p_style = NULL;
- if( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') )
- p_fmt->p_palette = p_region->fmt.p_palette =
- malloc( sizeof(video_palette_t) );
- else p_fmt->p_palette = p_region->fmt.p_palette = NULL;
-
- p_region->picture.p_data_orig = NULL;
-
- if( p_fmt->i_chroma == VLC_FOURCC('T','E','X','T') ) return p_region;
+ if( p_fmt->i_chroma == VLC_FOURCC('T','E','X','T') )
+ return p_region;
vout_AllocatePicture( p_this, &p_region->picture, p_fmt->i_chroma,
p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
if( !p_region->picture.i_planes )
{
- free( p_region );
free( p_fmt->p_palette );
+ free( p_region );
return NULL;
}
return p_region;
}
-/**
- * Make a subpicture region from an existing picture_t
- *
- * \param p_this vlc_object_t
- * \param p_fmt the format that this subpicture region should have
- * \param p_pic a pointer to the picture creating the region (not freed)
- */
-subpicture_region_t *__spu_MakeRegion( vlc_object_t *p_this,
- video_format_t *p_fmt,
- picture_t *p_pic )
-{
- subpicture_region_t *p_region = malloc( sizeof(subpicture_region_t) );
- (void)p_this;
- if( !p_region ) return NULL;
- memset( p_region, 0, sizeof(subpicture_region_t) );
- p_region->i_alpha = 0xff;
- p_region->p_next = 0;
- p_region->p_cache = 0;
- p_region->fmt = *p_fmt;
- p_region->psz_text = 0;
- p_region->p_style = NULL;
-
- if( p_fmt->i_chroma == VLC_FOURCC('Y','U','V','P') )
- p_fmt->p_palette = p_region->fmt.p_palette =
- malloc( sizeof(video_palette_t) );
- else p_fmt->p_palette = p_region->fmt.p_palette = NULL;
-
- memcpy( &p_region->picture, p_pic, sizeof(picture_t) );
- p_region->picture.pf_release = RegionPictureRelease;
-
- return p_region;
-}
-
/**
* Destroy a subpicture region
*
*/
void __spu_DestroyRegion( vlc_object_t *p_this, subpicture_region_t *p_region )
{
- if( !p_region ) return;
- if( p_region->picture.pf_release )
- p_region->picture.pf_release( &p_region->picture );
+ if( !p_region )
+ return;
+
+ picture_Release( &p_region->picture );
+
free( p_region->fmt.p_palette );
- if( p_region->p_cache ) __spu_DestroyRegion( p_this, p_region->p_cache );
+ if( p_region->p_cache )
+ __spu_DestroyRegion( p_this, p_region->p_cache );
free( p_region->psz_text );
free( p_region->psz_html );
memset( p_subpic, 0, sizeof(subpicture_t) );
p_subpic->i_status = RESERVED_SUBPICTURE;
p_subpic->b_absolute = true;
- p_subpic->b_pausable = false;
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;
vlc_mutex_unlock( &p_spu->subpicture_lock );
p_subpic->pf_create_region = __spu_CreateRegion;
- p_subpic->pf_make_region = __spu_MakeRegion;
p_subpic->pf_destroy_region = __spu_DestroyRegion;
return p_subpic;
*****************************************************************************
* This function renders all sub picture units in the list.
*****************************************************************************/
-void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
- picture_t *p_pic_dst, picture_t *p_pic_src,
- subpicture_t *p_subpic,
- int i_scale_width_orig, int i_scale_height_orig )
+static void FilterRelease( filter_t *p_filter )
{
- int i_source_video_width;
- int i_source_video_height;
- subpicture_t *p_subpic_v = p_subpic;
+ if( p_filter->p_module )
+ module_Unneed( p_filter, p_filter->p_module );
- /* Get lock */
- vlc_mutex_lock( &p_spu->subpicture_lock );
+ vlc_object_detach( p_filter );
+ vlc_object_release( p_filter );
+}
- for( p_subpic_v = p_subpic;
- p_subpic_v != NULL && p_subpic_v->i_status != FREE_SUBPICTURE;
- p_subpic_v = p_subpic_v->p_next )
+static void SpuRenderCreateBlend( spu_t *p_spu, vlc_fourcc_t i_chroma, int i_aspect )
+{
+ filter_t *p_blend;
+
+ assert( !p_spu->p_blend );
+
+ p_spu->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;
+
+ /* */
+ vlc_object_attach( p_blend, p_spu );
+}
+static void SpuRenderUpdateBlend( spu_t *p_spu, int i_out_width, int i_out_height, const video_format_t *p_in_fmt )
+{
+ filter_t *p_blend = p_spu->p_blend;
+
+ assert( p_blend );
+
+ /* */
+ if( p_blend->p_module && p_blend->fmt_in.video.i_chroma != p_in_fmt->i_chroma )
{
- if( p_subpic_v->pf_pre_render )
- {
- p_subpic_v->pf_pre_render( p_fmt, p_spu, p_subpic_v, mdate() );
- }
+ /* 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;
}
- if( i_scale_width_orig <= 0 )
- i_scale_width_orig = 1;
- if( i_scale_height_orig <= 0 )
- i_scale_height_orig = 1;
+ /* */
+ p_blend->fmt_in.video = *p_in_fmt;
- i_source_video_width = p_fmt->i_width * 1000 / i_scale_width_orig;
- i_source_video_height = p_fmt->i_height * 1000 / i_scale_height_orig;
+ /* */
+ 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;
- /* Check i_status again to make sure spudec hasn't destroyed the subpic */
- while( ( p_subpic != NULL ) && ( p_subpic->i_status != FREE_SUBPICTURE ) )
+ /* */
+ if( !p_blend->p_module )
+ p_blend->p_module = module_Need( p_blend, "video blending", 0, 0 );
+}
+static void SpuRenderCreateAndLoadText( spu_t *p_spu )
+{
+ filter_t *p_text;
+
+ assert( !p_spu->p_text );
+
+ p_spu->p_text =
+ p_text = vlc_custom_create( p_spu, sizeof(filter_t),
+ VLC_OBJECT_GENERIC, "spu text" );
+ if( !p_text )
+ return;
+
+ es_format_Init( &p_text->fmt_in, VIDEO_ES, 0 );
+
+ 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;
+
+ p_text->pf_sub_buffer_new = spu_new_buffer;
+ p_text->pf_sub_buffer_del = spu_del_buffer;
+
+ vlc_object_attach( p_text, p_spu );
+
+ /* 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 )
{
- subpicture_region_t *p_region;
- int pi_scale_width[ SCALE_SIZE ];
- int pi_scale_height[ SCALE_SIZE ];
- int pi_subpic_x[ SCALE_SIZE ];
- int k;
-
- /* If the source video and subtitles stream agree on the size of
- * the video then disregard all further references to the subtitle
- * stream.
- */
- if( ( i_source_video_height == p_subpic->i_original_picture_height ) &&
- ( i_source_video_width == p_subpic->i_original_picture_width ) )
- {
- p_subpic->i_original_picture_height = 0;
- p_subpic->i_original_picture_width = 0;
- }
+ p_text->p_module = module_Need( p_text, "text renderer",
+ psz_modulename, true );
+ }
+ free( psz_modulename );
- for( k = 0; k < SCALE_SIZE ; k++ )
- pi_subpic_x[ k ] = p_subpic->i_x;
+ if( !p_text->p_module )
+ p_text->p_module = module_Need( p_text, "text renderer", NULL, false );
+}
- if( p_subpic->pf_update_regions )
+static filter_t *CreateAndLoadScale( vlc_object_t *p_obj, vlc_fourcc_t i_chroma )
+{
+ filter_t *p_scale;
+
+ p_scale = vlc_custom_create( p_obj, sizeof(filter_t),
+ VLC_OBJECT_GENERIC, "scale" );
+ if( !p_scale )
+ return NULL;
+
+ es_format_Init( &p_scale->fmt_in, VIDEO_ES, 0 );
+ p_scale->fmt_in.video.i_chroma = i_chroma;
+ p_scale->fmt_in.video.i_width =
+ p_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_chroma;
+ p_scale->fmt_out.video.i_width =
+ p_scale->fmt_out.video.i_height = 16;
+
+ p_scale->pf_vout_buffer_new = spu_new_video_buffer;
+ p_scale->pf_vout_buffer_del = spu_del_video_buffer;
+
+ vlc_object_attach( p_scale, p_obj );
+ p_scale->p_module = module_Need( p_scale, "video filter2", 0, 0 );
+
+ return p_scale;
+}
+static void SpuRenderCreateAndLoadScale( spu_t *p_spu )
+{
+ /* FIXME: We'll also be using it for YUVA and RGBA blending ... */
+
+ assert( !p_spu->p_scale );
+ assert( !p_spu->p_scale_yuvp );
+ p_spu->p_scale = CreateAndLoadScale( VLC_OBJECT(p_spu), VLC_FOURCC('Y','U','V','A') );
+ p_spu->p_scale_yuvp = p_spu->p_scale_yuvp = CreateAndLoadScale( VLC_OBJECT(p_spu), VLC_FOURCC('Y','U','V','P') );
+}
+
+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 )
+{
+ assert( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') );
+
+ if( !p_spu->p_text || !p_spu->p_text->p_module )
+ goto exit;
+
+ /* Setup 3 variables which can be used to render
+ * time-dependent text (and effects). The first indicates
+ * the total amount of time the text will be on screen,
+ * the second the amount of time it has already been on
+ * screen (can be a negative value as text is layed out
+ * before it is rendered) and the third is a feedback
+ * variable from the renderer - if the renderer sets it
+ * then this particular text is time-dependent, eg. the
+ * visual progress bar inside the text in karaoke and the
+ * text needs to be rendered multiple times in order for
+ * the effect to work - we therefore need to return the
+ * region to its original state at the end of the loop,
+ * instead of leaving it in YUVA or YUVP.
+ * Any renderer which is unaware of how to render
+ * time-dependent text can happily ignore the variables
+ * and render the text the same as usual - it should at
+ * least show up on screen, but the effect won't change
+ * the text over time.
+ */
+
+ /* FIXME why these variables are recreated every time and not
+ * when text renderer module was created ? */
+ var_Create( p_spu->p_text, "spu-duration", VLC_VAR_TIME );
+ var_Create( p_spu->p_text, "spu-elapsed", VLC_VAR_TIME );
+ var_Create( p_spu->p_text, "text-rerender", VLC_VAR_BOOL );
+ var_Create( p_spu->p_text, "scale", VLC_VAR_INTEGER );
+
+ var_SetTime( p_spu->p_text, "spu-duration", p_subpic->i_stop - p_subpic->i_start );
+ var_SetTime( p_spu->p_text, "spu-elapsed", mdate() - p_subpic->i_start );
+ var_SetBool( p_spu->p_text, "text-rerender", false );
+ var_SetInteger( p_spu->p_text, "scale", i_min_scale_ratio );
+
+ if( p_spu->p_text->pf_render_html && p_region->psz_html )
+ {
+ p_spu->p_text->pf_render_html( p_spu->p_text,
+ p_region, p_region );
+ }
+ else if( p_spu->p_text->pf_render_text )
+ {
+ p_spu->p_text->pf_render_text( p_spu->p_text,
+ p_region, p_region );
+ }
+ *pb_rerender_text = var_GetBool( p_spu->p_text, "text-rerender" );
+
+ var_Destroy( p_spu->p_text, "spu-duration" );
+ var_Destroy( p_spu->p_text, "spu-elapsed" );
+ var_Destroy( p_spu->p_text, "text-rerender" );
+ var_Destroy( p_spu->p_text, "scale" );
+
+exit:
+ p_region->i_align |= SUBPICTURE_RENDERED;
+}
+
+/**
+ * A few scale functions helpers.
+ */
+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 )
+ s.w = SCALE_UNIT;
+ if( s.h <= 0 )
+ s.h = SCALE_UNIT;
+ return s;
+}
+static spu_scale_t spu_scale_createq( int wn, int wd, int hn, int 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 )
+{
+ return v * s.w / SCALE_UNIT;
+}
+static int spu_scale_h( int v, const spu_scale_t s )
+{
+ return v * s.h / SCALE_UNIT;
+}
+
+/**
+ * Place a region
+ */
+static void SpuRegionPlace( int *pi_x, int *pi_y,
+ const video_format_t *p_fmt,
+ const subpicture_t *p_subpic,
+ const subpicture_region_t *p_region )
+{
+ int i_delta_x = p_region->i_x;
+ int i_delta_y = p_region->i_y;
+ int i_x, i_y;
+
+ 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_fmt->i_height - p_region->fmt.i_height - i_delta_y;
+ }
+ else
+ {
+ i_y = p_fmt->i_height / 2 - p_region->fmt.i_height / 2;
+ }
+
+ 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_fmt->i_width - p_region->fmt.i_width - i_delta_x;
+ }
+ else
+ {
+ i_x = p_fmt->i_width / 2 - p_region->fmt.i_width / 2;
+ }
+
+ if( p_subpic->b_absolute )
+ {
+ i_x = i_delta_x;
+ i_y = i_delta_y;
+ }
+ if( i_x < 0 )
+ i_x = 0;
+ if( i_y < 0 )
+ i_y = 0;
+
+ *pi_x = i_x;
+ *pi_y = i_y;
+}
+
+static void SpuRenderRegion( spu_t *p_spu,
+ picture_t *p_pic_dst,
+ subpicture_t *p_subpic, subpicture_region_t *p_region,
+ const spu_scale_t scale_size,
+ const video_format_t *p_fmt )
+{
+ video_format_t fmt_original;
+ bool b_rerender_text;
+ bool b_restore_format = false;
+ int i_fade_alpha;
+ int i_x_offset;
+ int i_y_offset;
+ filter_t *p_scale;
+
+ vlc_assert_locked( &p_spu->subpicture_lock );
+
+ fmt_original = p_region->fmt;
+ b_rerender_text = false;
+ if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
+ {
+ SpuRenderText( p_spu, &b_rerender_text, p_subpic, p_region, SCALE_UNIT );
+ b_restore_format = b_rerender_text;
+
+ /* Check if the rendering has failed ... */
+ if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
+ goto exit;
+ }
+
+ /* Force palette if requested
+ * FIXME b_force_palette and b_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_FOURCC('Y','U','V','P');
+ const bool b_force_palette = b_using_palette && p_spu->b_force_palette;
+ const bool b_force_crop = b_force_palette && p_spu->b_force_crop;
+
+ if( b_force_palette )
+ {
+ /* It looks so wrong I won't comment
+ * p_palette->palette is [256][4] with a int i_entries
+ * p_spu->palette is [4][4]
+ * */
+ p_region->fmt.p_palette->i_entries = 4;
+ memcpy( p_region->fmt.p_palette->palette, p_spu->palette, 4*sizeof(uint32_t) );
+ }
+
+ if( b_using_palette )
+ p_scale = p_spu->p_scale_yuvp;
+ else
+ p_scale = p_spu->p_scale;
+
+ if( p_scale &&
+ ( scale_size.w != SCALE_UNIT || scale_size.h != SCALE_UNIT || b_force_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 );
+
+ /* Destroy if cache is unusable */
+ if( p_region->p_cache )
{
- if ( p_subpic->p_region ) {
- spu_DestroyRegion( p_spu, p_subpic->p_region );
+ if( p_region->p_cache->fmt.i_width != i_dst_width ||
+ p_region->p_cache->fmt.i_height != i_dst_height ||
+ b_force_palette )
+ {
+ p_subpic->pf_destroy_region( VLC_OBJECT(p_spu),
+ p_region->p_cache );
+ p_region->p_cache = NULL;
}
- p_subpic->p_region = p_region = p_subpic->pf_update_regions( p_fmt, p_spu, p_subpic, mdate() );
- }
- else
- {
- p_region = p_subpic->p_region;
}
- /* Load the blending module */
- if( !p_spu->p_blend && p_region )
+ /* Scale if needed into cache */
+ if( !p_region->p_cache )
{
- p_spu->p_blend = vlc_object_create( p_spu, sizeof(filter_t) );
- vlc_object_attach( p_spu->p_blend, p_spu );
- p_spu->p_blend->fmt_out.video.i_x_offset =
- p_spu->p_blend->fmt_out.video.i_y_offset = 0;
- p_spu->p_blend->fmt_out.video.i_aspect = p_fmt->i_aspect;
- p_spu->p_blend->fmt_out.video.i_chroma = p_fmt->i_chroma;
-
- /* The blend module will be loaded when needed with the real
- * input format */
- memset( &p_spu->p_blend->fmt_in, 0, sizeof(p_spu->p_blend->fmt_in) );
- p_spu->p_blend->p_module = NULL;
- }
+ picture_t *p_pic;
- /* Load the text rendering module; it is possible there is a
- * text region somewhere in the subpicture other than the first
- * element in the region list, so just load it anyway as we'll
- * probably want it sooner or later. */
- if( !p_spu->p_text && p_region )
- {
- char *psz_modulename = NULL;
+ p_scale->fmt_in.video = p_region->fmt;
+ p_scale->fmt_out.video = p_region->fmt;
+
+ p_region->p_cache =
+ p_subpic->pf_create_region( VLC_OBJECT(p_spu),
+ &p_scale->fmt_out.video );
+ p_region->p_cache->p_next = p_region->p_next;
+
+ if( p_scale->fmt_out.video.p_palette )
+ *p_scale->fmt_out.video.p_palette =
+ *p_region->fmt.p_palette;
- p_spu->p_text = vlc_object_create( p_spu, sizeof(filter_t) );
- vlc_object_attach( p_spu->p_text, p_spu );
+ vout_CopyPicture( p_spu, &p_region->p_cache->picture,
+ &p_region->picture );
- p_spu->p_text->fmt_out.video.i_width =
- p_spu->p_text->fmt_out.video.i_visible_width =
- p_fmt->i_width;
- p_spu->p_text->fmt_out.video.i_height =
- p_spu->p_text->fmt_out.video.i_visible_height =
- p_fmt->i_height;
+ p_scale->fmt_out.video.i_width = i_dst_width;
+ p_scale->fmt_out.video.i_height = i_dst_height;
- p_spu->p_text->pf_sub_buffer_new = spu_new_buffer;
- p_spu->p_text->pf_sub_buffer_del = spu_del_buffer;
+ 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 );
- psz_modulename = var_CreateGetString( p_spu, "text-renderer" );
- if( psz_modulename && *psz_modulename )
+ p_region->p_cache->fmt = p_scale->fmt_out.video;
+ p_region->p_cache->i_x = spu_scale_w( p_region->i_x, scale_size );
+ p_region->p_cache->i_y = spu_scale_h( p_region->i_y, scale_size );
+ p_region->p_cache->i_align = p_region->i_align;
+ p_region->p_cache->i_alpha = p_region->i_alpha;
+
+ p_pic = NULL;
+ if( p_scale->p_module )
+ p_pic = p_scale->pf_video_filter( p_scale, &p_region->p_cache->picture );
+ else
+ msg_Err( p_spu, "scaling failed (module not loaded)" );
+
+ if( p_pic )
{
- p_spu->p_text->p_module =
- module_Need( p_spu->p_text, "text renderer",
- psz_modulename, true );
+ p_region->p_cache->picture = *p_pic;
+ free( p_pic );
}
- if( !p_spu->p_text->p_module )
+ else
{
- p_spu->p_text->p_module =
- module_Need( p_spu->p_text, "text renderer", 0, 0 );
+ p_subpic->pf_destroy_region( VLC_OBJECT(p_spu),
+ p_region->p_cache );
+ p_region->p_cache = NULL;
}
- free( psz_modulename );
}
- if( p_spu->p_text )
+ /* And use the scaled picture */
+ if( p_region->p_cache )
{
- subpicture_region_t *p_text_region = p_subpic->p_region;
-
- /* Only overwrite the size fields if the region is still in
- * pre-rendered TEXT format. We have to traverse the subregion
- * list because if more than one subregion is present, the text
- * region isn't guarentteed to be the first in the list, and
- * only text regions use this flag. All of this effort assists
- * with the rescaling of text that has been rendered at native
- * resolution, rather than video resolution.
- */
- while( p_text_region &&
- ( p_text_region->fmt.i_chroma != VLC_FOURCC('T','E','X','T') ) )
- {
- p_text_region = p_text_region->p_next;
- }
-
- if( p_text_region &&
- ( ( p_text_region->i_align & SUBPICTURE_RENDERED ) == 0 ) )
- {
- if( (p_subpic->i_original_picture_height > 0) &&
- (p_subpic->i_original_picture_width > 0) )
- {
- p_spu->p_text->fmt_out.video.i_width =
- p_spu->p_text->fmt_out.video.i_visible_width =
- p_subpic->i_original_picture_width;
- p_spu->p_text->fmt_out.video.i_height =
- p_spu->p_text->fmt_out.video.i_visible_height =
- p_subpic->i_original_picture_height;
- }
- else
- {
- p_spu->p_text->fmt_out.video.i_width =
- p_spu->p_text->fmt_out.video.i_visible_width =
- p_fmt->i_width;
- p_spu->p_text->fmt_out.video.i_height =
- p_spu->p_text->fmt_out.video.i_visible_height =
- p_fmt->i_height;
- }
- }
+ p_region = p_region->p_cache;
+ fmt_original = p_region->fmt;
}
+ }
- pi_scale_width[ SCALE_DEFAULT ] = i_scale_width_orig;
- pi_scale_height[ SCALE_DEFAULT ] = i_scale_height_orig;
+ /* */
+ SpuRegionPlace( &i_x_offset, &i_y_offset,
+ p_fmt, p_subpic, p_region );
- if( p_spu->p_text )
+ if( p_spu->i_margin != 0 && !b_force_crop )
+ {
+ int i_diff = 0;
+ int i_low = i_y_offset - p_spu->i_margin;
+ int i_high = i_low + p_region->fmt.i_height;
+
+ /* crop extra margin to keep within bounds */
+ if( i_low < 0 )
+ i_diff = i_low;
+ if( i_high > (int)p_fmt->i_height )
+ i_diff = i_high - p_fmt->i_height;
+ i_y_offset -= p_spu->i_margin + i_diff;
+ }
+
+ /* Force cropping if requested */
+ if( b_force_crop )
+ {
+ video_format_t *p_fmt = &p_region->fmt;
+ int i_crop_x = spu_scale_w( p_spu->i_crop_x, scale_size );
+ int i_crop_y = spu_scale_h( p_spu->i_crop_y, scale_size );
+ int i_crop_width = spu_scale_w( p_spu->i_crop_width, scale_size );
+ int i_crop_height= spu_scale_h( p_spu->i_crop_height,scale_size );
+
+ /* Find the intersection */
+ if( i_crop_x + i_crop_width <= i_x_offset ||
+ i_x_offset + (int)p_fmt->i_visible_width < i_crop_x ||
+ i_crop_y + i_crop_height <= i_y_offset ||
+ i_y_offset + (int)p_fmt->i_visible_height < i_crop_y )
{
- pi_scale_width[ SCALE_TEXT ] = ( p_fmt->i_width * 1000 ) /
- p_spu->p_text->fmt_out.video.i_width;
- pi_scale_height[ SCALE_TEXT ] = ( p_fmt->i_height * 1000 ) /
- p_spu->p_text->fmt_out.video.i_height;
+ /* No intersection */
+ p_fmt->i_visible_width = p_fmt->i_visible_height = 0;
}
- /* If we have an explicit size plane to render to, then turn off
- * the fontsize rescaling.
- */
- if( (p_subpic->i_original_picture_height > 0) &&
- (p_subpic->i_original_picture_width > 0) )
+ else
{
- i_scale_width_orig = 1000;
- i_scale_height_orig = 1000;
+ int i_x, i_y, i_x_end, i_y_end;
+ i_x = __MAX( i_crop_x, i_x_offset );
+ i_y = __MAX( i_crop_y, i_y_offset );
+ i_x_end = __MIN( i_crop_x + i_crop_width,
+ i_x_offset + (int)p_fmt->i_visible_width );
+ i_y_end = __MIN( i_crop_y + i_crop_height,
+ i_y_offset + (int)p_fmt->i_visible_height );
+
+ p_fmt->i_x_offset = i_x - i_x_offset;
+ p_fmt->i_y_offset = i_y - i_y_offset;
+ p_fmt->i_visible_width = i_x_end - i_x;
+ p_fmt->i_visible_height = i_y_end - i_y;
+
+ i_x_offset = i_x;
+ i_y_offset = i_y;
}
+ b_restore_format = true;
+ }
- for( k = 0; k < SCALE_SIZE ; k++ )
- {
- /* Case of both width and height being specified has been dealt
- * with above by instead rendering to an output pane of the
- * explicit dimensions specified - we don't need to scale it.
- */
- if( (p_subpic->i_original_picture_height > 0) &&
- (p_subpic->i_original_picture_width <= 0) )
- {
- pi_scale_height[ k ] = pi_scale_height[ k ] * i_source_video_height /
- p_subpic->i_original_picture_height;
- pi_scale_width[ k ] = pi_scale_width[ k ] * i_source_video_height /
- p_subpic->i_original_picture_height;
- }
- }
+ i_x_offset = __MAX( i_x_offset, 0 );
+ i_y_offset = __MAX( i_y_offset, 0 );
- /* Set default subpicture aspect ratio */
- if( p_region && p_region->fmt.i_aspect &&
- ( !p_region->fmt.i_sar_num || !p_region->fmt.i_sar_den ) )
- {
- p_region->fmt.i_sar_den = p_region->fmt.i_aspect;
- p_region->fmt.i_sar_num = VOUT_ASPECT_FACTOR;
- }
- if( p_region &&
- ( !p_region->fmt.i_sar_num || !p_region->fmt.i_sar_den ) )
+ /* Compute alpha blend value */
+ 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 )
{
- p_region->fmt.i_sar_den = p_fmt->i_sar_den;
- p_region->fmt.i_sar_num = p_fmt->i_sar_num;
+ i_fade_alpha = 255 * ( p_subpic->i_stop - i_now ) /
+ ( p_subpic->i_stop - i_fade_start );
}
+ }
- /* Take care of the aspect ratio */
- if( p_region &&
- ( ( p_region->fmt.i_sar_num * p_fmt->i_sar_den ) !=
- ( p_region->fmt.i_sar_den * p_fmt->i_sar_num ) ) )
- {
- for( k = 0; k < SCALE_SIZE ; k++ )
- {
- pi_scale_width[ k ] = pi_scale_width[ k ] *
- (int64_t)p_region->fmt.i_sar_num * p_fmt->i_sar_den /
- p_region->fmt.i_sar_den / p_fmt->i_sar_num;
- pi_subpic_x[ k ] = p_subpic->i_x * pi_scale_width[ k ] / 1000;
- }
- }
+ /* Update the blender */
+ SpuRenderUpdateBlend( p_spu, p_fmt->i_width, p_fmt->i_height, &p_region->fmt );
- /* Load the scaling module */
- if( !p_spu->p_scale &&
- ((((pi_scale_width[ SCALE_TEXT ] > 0) || (pi_scale_height[ SCALE_TEXT ] > 0)) &&
- ((pi_scale_width[ SCALE_TEXT ] != 1000) || (pi_scale_height[ SCALE_TEXT ] != 1000))) ||
- (((pi_scale_width[ SCALE_DEFAULT ] > 0) || (pi_scale_height[ SCALE_DEFAULT ] > 0)) &&
- ((pi_scale_width[ SCALE_DEFAULT ] != 1000) || (pi_scale_height[ SCALE_DEFAULT ] != 1000)))) )
- {
- p_spu->p_scale = vlc_object_create( p_spu, sizeof(filter_t));
- vlc_object_attach( p_spu->p_scale, p_spu );
- p_spu->p_scale->fmt_out.video.i_chroma =
- p_spu->p_scale->fmt_in.video.i_chroma =
- VLC_FOURCC('Y','U','V','P');
- /* FIXME: We'll also be using it for YUVA and RGBA blending ... */
-
- p_spu->p_scale->fmt_in.video.i_width =
- p_spu->p_scale->fmt_in.video.i_height = 32;
- p_spu->p_scale->fmt_out.video.i_width =
- p_spu->p_scale->fmt_out.video.i_height = 16;
-
- p_spu->p_scale->pf_vout_buffer_new = spu_new_video_buffer;
- p_spu->p_scale->pf_vout_buffer_del = spu_del_video_buffer;
- p_spu->p_scale->p_module =
- module_Need( p_spu->p_scale, "video filter2", 0, 0 );
- }
+ if( p_spu->p_blend->p_module )
+ {
+ p_spu->p_blend->pf_video_blend( p_spu->p_blend, p_pic_dst,
+ &p_region->picture, i_x_offset, i_y_offset,
+ i_fade_alpha * p_subpic->i_alpha * p_region->i_alpha / 65025 );
+ }
+ else
+ {
+ msg_Err( p_spu, "blending %4.4s to %4.4s failed",
+ (char *)&p_spu->p_blend->fmt_out.video.i_chroma,
+ (char *)&p_spu->p_blend->fmt_out.video.i_chroma );
+ }
- while( p_region )
- {
- video_format_t orig_fmt = p_region->fmt;
- bool b_rerender_text = false;
- int i_fade_alpha = 255;
- int i_x_offset;
- int i_y_offset;
- int i_scale_idx = SCALE_DEFAULT;
- int i_inv_scale_x = 1000;
- int i_inv_scale_y = 1000;
-
- if( p_region->fmt.i_chroma == VLC_FOURCC('T','E','X','T') )
- {
- if( p_spu->p_text && p_spu->p_text->p_module )
- {
- vlc_value_t val;
-
- /* Setup 3 variables which can be used to render
- * time-dependent text (and effects). The first indicates
- * the total amount of time the text will be on screen,
- * the second the amount of time it has already been on
- * screen (can be a negative value as text is layed out
- * before it is rendered) and the third is a feedback
- * variable from the renderer - if the renderer sets it
- * then this particular text is time-dependent, eg. the
- * visual progress bar inside the text in karaoke and the
- * text needs to be rendered multiple times in order for
- * the effect to work - we therefore need to return the
- * region to its original state at the end of the loop,
- * instead of leaving it in YUVA or YUVP.
- * Any renderer which is unaware of how to render
- * time-dependent text can happily ignore the variables
- * and render the text the same as usual - it should at
- * least show up on screen, but the effect won't change
- * the text over time.
- */
-
- var_Create( p_spu->p_text, "spu-duration", VLC_VAR_TIME );
- val.i_time = p_subpic->i_stop - p_subpic->i_start;
- var_Set( p_spu->p_text, "spu-duration", val );
-
- var_Create( p_spu->p_text, "spu-elapsed", VLC_VAR_TIME );
- val.i_time = mdate() - p_subpic->i_start;
- var_Set( p_spu->p_text, "spu-elapsed", val );
-
- var_Create( p_spu->p_text, "text-rerender", VLC_VAR_BOOL );
- var_SetBool( p_spu->p_text, "text-rerender", false );
-
- var_Create( p_spu->p_text, "scale", VLC_VAR_INTEGER );
- var_SetInteger( p_spu->p_text, "scale",
- __MIN(i_scale_width_orig, i_scale_height_orig) );
-
- if( p_spu->p_text->pf_render_html && p_region->psz_html )
- {
- p_spu->p_text->pf_render_html( p_spu->p_text,
- p_region, p_region );
- }
- else if( p_spu->p_text->pf_render_text )
- {
- p_spu->p_text->pf_render_text( p_spu->p_text,
- p_region, p_region );
- }
- b_rerender_text = var_GetBool( p_spu->p_text, "text-rerender" );
-
- var_Destroy( p_spu->p_text, "spu-duration" );
- var_Destroy( p_spu->p_text, "spu-elapsed" );
- var_Destroy( p_spu->p_text, "text-rerender" );
- var_Destroy( p_spu->p_text, "scale" );
- }
- p_region->i_align |= SUBPICTURE_RENDERED;
- }
+exit:
+ if( b_rerender_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.
+ */
+ p_region->picture.pf_release( &p_region->picture );
+ memset( &p_region->picture, 0, sizeof( picture_t ) );
+ p_region->i_align &= ~SUBPICTURE_RENDERED;
+ }
+ if( b_restore_format )
+ p_region->fmt = fmt_original;
+}
- if( p_region->i_align & SUBPICTURE_RENDERED )
- {
- i_scale_idx = SCALE_TEXT;
- i_inv_scale_x = i_scale_width_orig;
- i_inv_scale_y = i_scale_height_orig;
- }
+void spu_RenderSubpictures( spu_t *p_spu,
+ picture_t *p_pic_dst, video_format_t *p_fmt_dst,
+ subpicture_t *p_subpic_list,
+ const video_format_t *p_fmt_src )
+{
+ video_format_t *p_fmt = p_fmt_dst;
+ const mtime_t i_current_date = mdate();
+ int i_source_video_width;
+ int i_source_video_height;
+ subpicture_t *p_subpic;
- i_x_offset = (p_region->i_x + pi_subpic_x[ i_scale_idx ]) * i_inv_scale_x / 1000;
- i_y_offset = (p_region->i_y + p_subpic->i_y) * i_inv_scale_y / 1000;
+ /* Get lock */
+ vlc_mutex_lock( &p_spu->subpicture_lock );
- /* Force palette if requested */
- if( p_spu->b_force_palette &&
- ( VLC_FOURCC('Y','U','V','P') == p_region->fmt.i_chroma ) )
- {
- memcpy( p_region->fmt.p_palette->palette,
- p_spu->palette, 16 );
- }
+ /* Be sure we have at least 1 picture to process */
+ if( !p_subpic_list || p_subpic_list->i_status == FREE_SUBPICTURE )
+ {
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return;
+ }
- /* Scale SPU if necessary */
- if( p_region->p_cache &&
- ( p_region->fmt.i_chroma != VLC_FOURCC('T','E','X','T') ) )
- {
- if( pi_scale_width[ i_scale_idx ] * p_region->fmt.i_width / 1000 !=
- p_region->p_cache->fmt.i_width ||
- pi_scale_height[ i_scale_idx ] * p_region->fmt.i_height / 1000 !=
- p_region->p_cache->fmt.i_height )
- {
- p_subpic->pf_destroy_region( VLC_OBJECT(p_spu),
- p_region->p_cache );
- p_region->p_cache = 0;
- }
- }
+ i_source_video_width = p_fmt_src->i_width;
+ i_source_video_height = p_fmt_src->i_height;
- if( ( ( pi_scale_width[ i_scale_idx ] != 1000 ) ||
- ( pi_scale_height[ i_scale_idx ] != 1000 ) ) &&
- ( ( pi_scale_width[ i_scale_idx ] > 0 ) ||
- ( pi_scale_height[ i_scale_idx ] > 0 ) ) &&
- p_spu->p_scale && !p_region->p_cache &&
- ( p_region->fmt.i_chroma != VLC_FOURCC('T','E','X','T') ) )
- {
- picture_t *p_pic;
-
- p_spu->p_scale->fmt_in.video = p_region->fmt;
- p_spu->p_scale->fmt_out.video = p_region->fmt;
-
- p_region->p_cache =
- p_subpic->pf_create_region( VLC_OBJECT(p_spu),
- &p_spu->p_scale->fmt_out.video );
- if( p_spu->p_scale->fmt_out.video.p_palette )
- *p_spu->p_scale->fmt_out.video.p_palette =
- *p_region->fmt.p_palette;
- p_region->p_cache->p_next = p_region->p_next;
-
- vout_CopyPicture( p_spu, &p_region->p_cache->picture,
- &p_region->picture );
-
- p_spu->p_scale->fmt_out.video.i_width =
- p_region->fmt.i_width * pi_scale_width[ i_scale_idx ] / 1000;
- p_spu->p_scale->fmt_out.video.i_visible_width =
- p_region->fmt.i_visible_width * pi_scale_width[ i_scale_idx ] / 1000;
- p_spu->p_scale->fmt_out.video.i_height =
- p_region->fmt.i_height * pi_scale_height[ i_scale_idx ] / 1000;
- p_spu->p_scale->fmt_out.video.i_visible_height =
- p_region->fmt.i_visible_height * pi_scale_height[ i_scale_idx ] / 1000;
- p_region->p_cache->fmt = p_spu->p_scale->fmt_out.video;
- p_region->p_cache->i_x = p_region->i_x * pi_scale_width[ i_scale_idx ] / 1000;
- p_region->p_cache->i_y = p_region->i_y * pi_scale_height[ i_scale_idx ] / 1000;
- p_region->p_cache->i_align = p_region->i_align;
- p_region->p_cache->i_alpha = p_region->i_alpha;
-
- p_pic = p_spu->p_scale->pf_video_filter(
- p_spu->p_scale, &p_region->p_cache->picture );
- if( p_pic )
- {
- picture_t p_pic_tmp = p_region->p_cache->picture;
- p_region->p_cache->picture = *p_pic;
- *p_pic = p_pic_tmp;
- free( p_pic );
- }
- }
+ /* */
+ for( p_subpic = p_subpic_list;
+ p_subpic != NULL && p_subpic->i_status != FREE_SUBPICTURE; /* Check again status (as we where unlocked) */
+ p_subpic = p_subpic->p_next )
+ {
+ /* */
+ if( p_subpic->pf_pre_render )
+ p_subpic->pf_pre_render( p_fmt, p_spu, p_subpic );
- if( ( ( pi_scale_width[ i_scale_idx ] != 1000 ) ||
- ( pi_scale_height[ i_scale_idx ] != 1000 ) ) &&
- ( ( pi_scale_width[ i_scale_idx ] > 0 ) ||
- ( pi_scale_height[ i_scale_idx ] > 0 ) ) &&
- p_spu->p_scale && p_region->p_cache &&
- ( p_region->fmt.i_chroma != VLC_FOURCC('T','E','X','T') ) )
- {
- p_region = p_region->p_cache;
- }
+ if( p_subpic->pf_update_regions )
+ {
+ /* TODO do not reverse the scaling that was done before calling
+ * spu_RenderSubpictures, just pass it along (or do it inside
+ * spu_RenderSubpictures) */
+ video_format_t fmt_org = *p_fmt;
+ 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( &fmt_org, p_spu, p_subpic, i_current_date );
+ }
+ }
- if( p_region->i_align & SUBPICTURE_ALIGN_BOTTOM )
- {
- i_y_offset = p_fmt->i_height - p_region->fmt.i_height -
- (p_subpic->i_y + p_region->i_y) * i_inv_scale_y / 1000;
- }
- else if ( !(p_region->i_align & SUBPICTURE_ALIGN_TOP) )
- {
- i_y_offset = p_fmt->i_height / 2 - p_region->fmt.i_height / 2;
- }
+ /* Create the blending module */
+ if( !p_spu->p_blend )
+ SpuRenderCreateBlend( p_spu, p_fmt->i_chroma, p_fmt->i_aspect );
- if( p_region->i_align & SUBPICTURE_ALIGN_RIGHT )
- {
- i_x_offset = p_fmt->i_width - p_region->fmt.i_width -
- (pi_subpic_x[ i_scale_idx ] + p_region->i_x)
- * i_inv_scale_x / 1000;
- }
- else if ( !(p_region->i_align & SUBPICTURE_ALIGN_LEFT) )
- {
- i_x_offset = p_fmt->i_width / 2 - p_region->fmt.i_width / 2;
- }
+ /* */
+ for( p_subpic = p_subpic_list; ; p_subpic = p_subpic->p_next )
+ {
+ subpicture_region_t *p_region;
- if( p_subpic->b_absolute )
- {
- i_x_offset = (p_region->i_x +
- pi_subpic_x[ i_scale_idx ] *
- pi_scale_width[ i_scale_idx ] / 1000)
- * i_inv_scale_x / 1000;
- i_y_offset = (p_region->i_y +
- p_subpic->i_y * pi_scale_height[ i_scale_idx ] / 1000)
- * i_inv_scale_y / 1000;
+ if( !p_subpic || p_subpic->i_status == FREE_SUBPICTURE )
+ break;
- }
+ if( !p_subpic->p_region )
+ continue;
- i_x_offset = __MAX( i_x_offset, 0 );
- i_y_offset = __MAX( i_y_offset, 0 );
+ /* 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 );
- if( ( p_spu->i_margin != 0 ) &&
- ( p_spu->b_force_crop == false ) )
- {
- int i_diff = 0;
- int i_low = (i_y_offset - p_spu->i_margin) * i_inv_scale_y / 1000;
- int i_high = i_low + p_region->fmt.i_height;
-
- /* crop extra margin to keep within bounds */
- if( i_low < 0 )
- i_diff = i_low;
- if( i_high > (int)p_fmt->i_height )
- i_diff = i_high - p_fmt->i_height;
- i_y_offset -= ( p_spu->i_margin * i_inv_scale_y / 1000 + i_diff );
- }
+ i_render_width = i_source_video_width;
+ i_render_height = i_source_video_height;
+ }
- 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( p_spu->p_text )
+ {
+ p_spu->p_text->fmt_out.video.i_width =
+ p_spu->p_text->fmt_out.video.i_visible_width = i_render_width;
- if( p_region->fmt.i_chroma != VLC_FOURCC('T','E','X','T') )
+ p_spu->p_text->fmt_out.video.i_height =
+ p_spu->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) */
+ scale.w = scale.w * p_fmt->i_width / i_source_video_width;
+ scale.h = scale.h * p_fmt->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 )
{
- if( p_spu->p_blend->fmt_in.video.i_chroma != p_region->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_spu->p_blend->fmt_in.video.i_chroma */
- if( p_spu->p_blend->p_module )
- module_Unneed( p_spu->p_blend, p_spu->p_blend->p_module );
-
- p_spu->p_blend->fmt_in.video = p_region->fmt;
- p_spu->p_blend->p_module = module_Need( p_spu->p_blend, "video blending", 0, 0 );
- }
- else
- {
- p_spu->p_blend->fmt_in.video = p_region->fmt;
- }
-
- /* Force cropping if requested */
- if( p_spu->b_force_crop )
- {
- video_format_t *p_fmt = &p_spu->p_blend->fmt_in.video;
- int i_crop_x = p_spu->i_crop_x * pi_scale_width[ i_scale_idx ] / 1000
- * i_inv_scale_x / 1000;
- int i_crop_y = p_spu->i_crop_y * pi_scale_height[ i_scale_idx ] / 1000
- * i_inv_scale_y / 1000;
- int i_crop_width = p_spu->i_crop_width * pi_scale_width[ i_scale_idx ] / 1000
- * i_inv_scale_x / 1000;
- int i_crop_height = p_spu->i_crop_height * pi_scale_height[ i_scale_idx ] / 1000
- * i_inv_scale_y / 1000;
-
- /* Find the intersection */
- if( i_crop_x + i_crop_width <= i_x_offset ||
- i_x_offset + (int)p_fmt->i_visible_width < i_crop_x ||
- i_crop_y + i_crop_height <= i_y_offset ||
- i_y_offset + (int)p_fmt->i_visible_height < i_crop_y )
- {
- /* No intersection */
- p_fmt->i_visible_width = p_fmt->i_visible_height = 0;
- }
- else
- {
- int i_x, i_y, i_x_end, i_y_end;
- i_x = __MAX( i_crop_x, i_x_offset );
- i_y = __MAX( i_crop_y, i_y_offset );
- i_x_end = __MIN( i_crop_x + i_crop_width,
- i_x_offset + (int)p_fmt->i_visible_width );
- i_y_end = __MIN( i_crop_y + i_crop_height,
- i_y_offset + (int)p_fmt->i_visible_height );
-
- p_fmt->i_x_offset = i_x - i_x_offset;
- p_fmt->i_y_offset = i_y - i_y_offset;
- p_fmt->i_visible_width = i_x_end - i_x;
- p_fmt->i_visible_height = i_y_end - i_y;
-
- i_x_offset = i_x;
- i_y_offset = i_y;
- }
- }
-
- i_x_offset = __MAX( i_x_offset, 0 );
- i_y_offset = __MAX( i_y_offset, 0 );
-
- /* Update the output picture size */
- p_spu->p_blend->fmt_out.video.i_width =
- p_spu->p_blend->fmt_out.video.i_visible_width =
- p_fmt->i_width;
- p_spu->p_blend->fmt_out.video.i_height =
- p_spu->p_blend->fmt_out.video.i_visible_height =
- p_fmt->i_height;
-
- if( p_spu->p_blend->p_module )
- {
- p_spu->p_blend->pf_video_blend( p_spu->p_blend, p_pic_dst,
- p_pic_src, &p_region->picture, i_x_offset, i_y_offset,
- i_fade_alpha * p_subpic->i_alpha * p_region->i_alpha / 65025 );
- }
- else
- {
- msg_Err( p_spu, "blending %4.4s to %4.4s failed",
- (char *)&p_spu->p_blend->fmt_out.video.i_chroma,
- (char *)&p_spu->p_blend->fmt_out.video.i_chroma );
- }
+ p_region->fmt.i_sar_den = p_region->fmt.i_aspect;
+ p_region->fmt.i_sar_num = VOUT_ASPECT_FACTOR;
}
-
- if( b_rerender_text )
+ else
{
- /* 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.
- */
- p_region->picture.pf_release( &p_region->picture );
- memset( &p_region->picture, 0, sizeof( picture_t ) );
- p_region->fmt = orig_fmt;
- p_region->i_align &= ~SUBPICTURE_RENDERED;
+ p_region->fmt.i_sar_den = p_fmt->i_sar_den;
+ p_region->fmt.i_sar_num = p_fmt->i_sar_num;
}
- p_region = p_region->p_next;
}
- p_subpic = p_subpic->p_next;
+ /* Take care of the aspect ratio */
+ if( p_region->fmt.i_sar_num * p_fmt->i_sar_den !=
+ p_region->fmt.i_sar_den * p_fmt->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->i_sar_den /
+ p_region->fmt.i_sar_den / p_fmt->i_sar_num;
+ }
+
+ /* Render all regions */
+ for( p_region = p_subpic->p_region; p_region != NULL; p_region = p_region->p_next )
+ {
+ /* Check scale validity */
+ if( scale.w <= 0 || scale.h <= 0 )
+ continue;
+
+ /* */
+ SpuRenderRegion( p_spu, p_pic_dst, p_subpic, p_region,
+ scale, p_fmt );
+ }
}
vlc_mutex_unlock( &p_spu->subpicture_lock );
* 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_paused, bool b_subtitle_only )
{
- int i_index, i_channel;
+ int i_channel;
subpicture_t *p_subpic = NULL;
- subpicture_t *p_ephemer;
- mtime_t ephemer_date;
/* Run subpicture filters */
filter_chain_SubFilter( p_spu->p_chain, display_date );
* ends with NULL since p_subpic was initialized to NULL. */
for( i_channel = 0; i_channel < p_spu->i_channel; i_channel++ )
{
- p_ephemer = 0;
- ephemer_date = 0;
+ subpicture_t *p_ephemer = NULL;
+ mtime_t ephemer_date = 0;
+ int i_index;
for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
{
- if( p_spu->p_subpicture[i_index].i_channel != i_channel ||
- p_spu->p_subpicture[i_index].i_status != READY_SUBPICTURE )
+ subpicture_t *p_current = &p_spu->p_subpicture[i_index];
+
+ if( p_current->i_channel != i_channel ||
+ p_current->i_status != READY_SUBPICTURE ||
+ ( b_subtitle_only && !p_current->b_subtitle ) )
{
continue;
}
if( display_date &&
- display_date < p_spu->p_subpicture[i_index].i_start )
+ display_date < p_current->i_start )
{
/* Too early, come back next monday */
continue;
}
- if( p_spu->p_subpicture[i_index].i_start > ephemer_date )
- ephemer_date = p_spu->p_subpicture[i_index].i_start;
+ if( p_current->i_start > ephemer_date )
+ ephemer_date = p_current->i_start;
- if( display_date > p_spu->p_subpicture[i_index].i_stop &&
- ( !p_spu->p_subpicture[i_index].b_ephemer ||
- p_spu->p_subpicture[i_index].i_stop >
- p_spu->p_subpicture[i_index].i_start ) &&
- !( p_spu->p_subpicture[i_index].b_pausable &&
- b_paused ) )
+ if( display_date > p_current->i_stop &&
+ ( !p_current->b_ephemer || p_current->i_stop > p_current->i_start ) &&
+ !( p_current->b_subtitle && b_paused ) ) /* XXX Assume that subtitle are pausable */
{
/* Too late, destroy the subpic */
spu_DestroySubpicture( p_spu, &p_spu->p_subpicture[i_index] );
}
/* If this is an ephemer subpic, add it to our list */
- if( p_spu->p_subpicture[i_index].b_ephemer )
+ if( p_current->b_ephemer )
{
- p_spu->p_subpicture[i_index].p_next = p_ephemer;
- p_ephemer = &p_spu->p_subpicture[i_index];
+ p_current->p_next = p_ephemer;
+ p_ephemer = p_current;
continue;
}
- p_spu->p_subpicture[i_index].p_next = p_subpic;
- p_subpic = &p_spu->p_subpicture[i_index];
+ p_current->p_next = p_subpic;
+ p_subpic = p_current;
}
/* If we found ephemer subpictures, check if they have to be
{
case SPU_CHANNEL_REGISTER:
pi = (int *)va_arg( args, int * );
- if( pi ) *pi = p_spu->i_channel++;
+ vlc_mutex_lock( &p_spu->subpicture_lock );
+ if( pi )
+ *pi = p_spu->i_channel++;
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
break;
case SPU_CHANNEL_CLEAR:
{
vlc_value_t val;
+ vlc_mutex_lock( &p_spu->subpicture_lock );
+
p_spu->b_force_palette = false;
p_spu->b_force_crop = false;
- if( var_Get( p_object, "highlight", &val ) || !val.b_bool ) return;
+ if( var_Get( p_object, "highlight", &val ) || !val.b_bool )
+ {
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return;
+ }
p_spu->b_force_crop = true;
var_Get( p_object, "x-start", &val );
memcpy( p_spu->palette, val.p_address, 16 );
p_spu->b_force_palette = true;
}
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
msg_Dbg( p_object, "crop: %i,%i,%i,%i, palette forced: %i",
p_spu->i_crop_x, p_spu->i_crop_y,
static subpicture_t *spu_new_buffer( filter_t *p_filter )
{
- (void)p_filter;
- subpicture_t *p_subpic = (subpicture_t *)malloc(sizeof(subpicture_t));
- if( !p_subpic ) return NULL;
- memset( p_subpic, 0, sizeof(subpicture_t) );
+ subpicture_t *p_subpic = calloc( 1, sizeof(subpicture_t) );
+ if( !p_subpic )
+ return NULL;
+
p_subpic->b_absolute = true;
+ p_subpic->i_alpha = 0xFF;
p_subpic->pf_create_region = __spu_CreateRegion;
- p_subpic->pf_make_region = __spu_MakeRegion;
p_subpic->pf_destroy_region = __spu_DestroyRegion;
+ VLC_UNUSED(p_filter);
return p_subpic;
}
static picture_t *spu_new_video_buffer( filter_t *p_filter )
{
- picture_t *p_picture = malloc( sizeof(picture_t) );
- if( !p_picture ) return NULL;
- if( vout_AllocatePicture( p_filter, p_picture,
- p_filter->fmt_out.video.i_chroma,
- p_filter->fmt_out.video.i_width,
- p_filter->fmt_out.video.i_height,
- p_filter->fmt_out.video.i_aspect )
- != VLC_SUCCESS )
- {
- free( p_picture );
- return NULL;
- }
+ const video_format_t *p_fmt = &p_filter->fmt_out.video;
- p_picture->pf_release = RegionPictureRelease;
-
- return p_picture;
+ VLC_UNUSED(p_filter);
+ return picture_New( p_fmt->i_chroma,
+ p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
}
-static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_pic )
+static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_picture )
{
- (void)p_filter;
- if( p_pic )
- {
- free( p_pic->p_data_orig );
- free( p_pic );
- }
+ VLC_UNUSED(p_filter);
+ picture_Release( p_picture );
}
static int SubFilterCallback( vlc_object_t *p_object, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
+ spu_t *p_spu = p_data;
+
VLC_UNUSED(p_object); VLC_UNUSED(oldval);
VLC_UNUSED(newval); VLC_UNUSED(psz_var);
- spu_t *p_spu = (spu_t *)p_data;
vlc_mutex_lock( &p_spu->subpicture_lock );
filter_chain_Reset( p_spu->p_chain, NULL, NULL );
spu_ParseChain( p_spu );
return VLC_SUCCESS;
}
-static int sub_filter_allocation_init( filter_t *p_filter, void *p_data )
+static int SubFilterAllocationInit( filter_t *p_filter, void *p_data )
{
- spu_t *p_spu = (spu_t *)p_data;
+ spu_t *p_spu = p_data;
+
+ filter_owner_sys_t *p_sys = malloc( sizeof(filter_owner_sys_t) );
+ if( !p_sys )
+ return VLC_EGENERIC;
p_filter->pf_sub_buffer_new = sub_new_buffer;
p_filter->pf_sub_buffer_del = sub_del_buffer;
- filter_owner_sys_t *p_sys = malloc( sizeof(filter_owner_sys_t) );
- if( !p_sys ) return VLC_EGENERIC;
-
p_filter->p_owner = p_sys;
spu_Control( p_spu, SPU_CHANNEL_REGISTER, &p_sys->i_channel );
p_sys->p_spu = p_spu;
return VLC_SUCCESS;
}
-static void sub_filter_allocation_clear( filter_t *p_filter )
+static void SubFilterAllocationClean( filter_t *p_filter )
{
filter_owner_sys_t *p_sys = p_filter->p_owner;
+
SpuClearChannel( p_sys->p_spu, p_sys->i_channel, true );
free( p_filter->p_owner );
}
+
projects / vlc / blobdiff