/*****************************************************************************
* vout_subpictures.c : subpicture management functions
*****************************************************************************
- * Copyright (C) 2000 VideoLAN
- * $Id: vout_subpictures.c,v 1.4 2002/01/02 14:37:42 sam Exp $
+ * Copyright (C) 2000-2007 the VideoLAN team
+ * $Id$
*
* 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
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h> /* ENOMEM */
-#include <stdlib.h> /* free() */
-#include <stdio.h> /* sprintf() */
-#include <string.h> /* strerror() */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#include <videolan/vlc.h>
+#include <vlc_common.h>
+#include <vlc_vout.h>
+#include <vlc_block.h>
+#include <vlc_filter.h>
+#include <vlc_osd.h>
+#include "../libvlc.h"
-#include "video.h"
-#include "video_output.h"
+#include <assert.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static void vout_RenderRGBSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu );
-static void vout_RenderYUVSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu );
+static void UpdateSPU ( spu_t *, vlc_object_t * );
+static int CropCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+
+static int spu_vaControlDefault( spu_t *, int, va_list );
+
+static subpicture_t *sub_new_buffer( filter_t * );
+static void sub_del_buffer( filter_t *, subpicture_t * );
+static subpicture_t *spu_new_buffer( filter_t * );
+static void spu_del_buffer( filter_t *, subpicture_t * );
+static picture_t *spu_new_video_buffer( filter_t * );
+static void spu_del_video_buffer( filter_t *, picture_t * );
+
+static int spu_ParseChain( spu_t * );
+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 * );
+struct filter_owner_sys_t
+{
+ spu_t *p_spu;
+ int i_channel;
+};
-/* FIXME: fake palette - the real one has to be sought in the .IFO */
-static int p_palette[4] = { 0x0000, 0x0000, 0xffff, 0x8888 };
+enum {
+ SCALE_DEFAULT,
+ SCALE_TEXT,
+ SCALE_SIZE
+};
-/*****************************************************************************
- * vout_DisplaySubPicture: display a subpicture unit
- *****************************************************************************
- * Remove the reservation flag of a subpicture, which will cause it to be ready
- * for display. The picture does not need to be locked, since it is ignored by
- * the output thread if is reserved.
- *****************************************************************************/
-void vout_DisplaySubPicture( vout_thread_t *p_vout, subpicture_t *p_subpic )
+static void FilterRelease( filter_t *p_filter )
{
-#ifdef TRACE_VOUT
- char psz_start[ MSTRTIME_MAX_SIZE ]; /* buffer for date string */
- char psz_stop[ MSTRTIME_MAX_SIZE ]; /* buffer for date string */
-#endif
+ if( p_filter->p_module )
+ module_Unneed( p_filter, p_filter->p_module );
+
+ vlc_object_detach( p_filter );
+ vlc_object_release( p_filter );
+}
+
+/**
+ * Creates the subpicture unit
+ *
+ * \param p_this the parent object which creates the subpicture unit
+ */
+spu_t *__spu_Create( vlc_object_t *p_this )
+{
+ int i_index;
+ spu_t *p_spu = vlc_custom_create( p_this, sizeof( spu_t ),
+ VLC_OBJECT_GENERIC, "subpicture" );
+
+ for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++)
+ {
+ p_spu->p_subpicture[i_index].i_status = FREE_SUBPICTURE;
+ }
+
+ 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 */
+ p_spu->i_channel = 2;
+
+ vlc_mutex_init( &p_spu->subpicture_lock );
+
+ 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,
+ p_spu );
+ return p_spu;
+}
+
+/**
+ * Initialise the subpicture unit
+ *
+ * \param p_spu the subpicture unit object
+ */
+int spu_Init( spu_t *p_spu )
+{
+ vlc_value_t val;
+
+ /* If the user requested a sub margin, we force the position. */
+ var_Create( p_spu, "sub-margin", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ var_Get( p_spu, "sub-margin", &val );
+ p_spu->i_margin = val.i_int;
+
+ var_Create( p_spu, "sub-filter", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+ var_AddCallback( p_spu, "sub-filter", SubFilterCallback, p_spu );
+
+ spu_ParseChain( p_spu );
+
+ return VLC_SUCCESS;
+}
-#ifdef DEBUG
+int spu_ParseChain( spu_t *p_spu )
+{
+ char *psz_parser = var_GetString( p_spu, "sub-filter" );
+ if( filter_chain_AppendFromString( p_spu->p_chain, psz_parser ) < 0 )
+ {
+ free( psz_parser );
+ return VLC_EGENERIC;
+ }
+
+ free( psz_parser );
+ 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 )
+{
+ int i_index;
+
+ /* Destroy all remaining subpictures */
+ for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
+ {
+ if( p_spu->p_subpicture[i_index].i_status != FREE_SUBPICTURE )
+ {
+ spu_DestroySubpicture( p_spu, &p_spu->p_subpicture[i_index] );
+ }
+ }
+
+ if( p_spu->p_blend )
+ FilterRelease( p_spu->p_blend );
+
+ if( p_spu->p_text )
+ FilterRelease( p_spu->p_text );
+
+ if( p_spu->p_scale_yuvp )
+ FilterRelease( p_spu->p_scale_yuvp );
+
+ if( p_spu->p_scale )
+ FilterRelease( p_spu->p_scale );
+
+ filter_chain_Delete( p_spu->p_chain );
+
+ vlc_mutex_destroy( &p_spu->subpicture_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 );
+ }
+}
+
+/**
+ * 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 );
+ /* We use pf_release nullity to know if the picture has already been released. */
+ p_pic->pf_release = NULL;
+}
+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;
+
+ memset( p_region, 0, sizeof(subpicture_region_t) );
+ 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;
+
+ vout_AllocatePicture( p_this, &p_region->picture, p_fmt->i_chroma,
+ p_fmt->i_width, p_fmt->i_height, p_fmt->i_aspect );
+
+ if( !p_region->picture.i_planes )
+ {
+ free( p_region );
+ free( p_fmt->p_palette );
+ return NULL;
+ }
+
+ p_region->picture.pf_release = RegionPictureRelease;
+
+ return p_region;
+}
+
+/**
+ * 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
+ *
+ * \param p_this vlc_object_t
+ * \param p_region the subpicture region to destroy
+ */
+void __spu_DestroyRegion( vlc_object_t *p_this, subpicture_region_t *p_region )
+{
+ if( !p_region ) return;
+ if( p_region->picture.pf_release )
+ p_region->picture.pf_release( &p_region->picture );
+ free( p_region->fmt.p_palette );
+ if( p_region->p_cache ) __spu_DestroyRegion( p_this, p_region->p_cache );
+
+ free( p_region->psz_text );
+ free( p_region->psz_html );
+ //free( p_region->p_style ); FIXME --fenrir plugin does not allocate the memory for it. I think it might lead to segfault, video renderer can live longer than the decoder
+ free( p_region );
+}
+
+/**
+ * Display a subpicture
+ *
+ * Remove the reservation flag of a subpicture, which will cause it to be
+ * ready for display.
+ * \param p_spu the subpicture unit object
+ * \param p_subpic the subpicture to display
+ */
+void spu_DisplaySubpicture( spu_t *p_spu, subpicture_t *p_subpic )
+{
/* Check if status is valid */
if( p_subpic->i_status != RESERVED_SUBPICTURE )
{
- intf_ErrMsg("error: subpicture %p has invalid status #%d", p_subpic,
- p_subpic->i_status );
+ msg_Err( p_spu, "subpicture %p has invalid status #%d",
+ p_subpic, p_subpic->i_status );
}
-#endif
/* Remove reservation flag */
p_subpic->i_status = READY_SUBPICTURE;
-#ifdef TRACE_VOUT
- /* Send subpicture information */
- intf_DbgMsg("subpicture %p: type=%d, begin date=%s, end date=%s",
- p_subpic, p_subpic->i_type,
- mstrtime( psz_start, p_subpic->i_start ),
- mstrtime( psz_stop, p_subpic->i_stop ) );
-#endif
+ if( p_subpic->i_channel == DEFAULT_CHAN )
+ {
+ p_subpic->i_channel = 0xFFFF;
+ spu_Control( p_spu, SPU_CHANNEL_CLEAR, DEFAULT_CHAN );
+ p_subpic->i_channel = DEFAULT_CHAN;
+ }
}
-/*****************************************************************************
- * vout_CreateSubPicture: allocate a subpicture in the video output heap.
- *****************************************************************************
- * This function create a reserved subpicture in the video output heap.
+/**
+ * Allocate a subpicture in the spu heap.
+ *
+ * This function create a reserved subpicture in the spu heap.
* A null pointer is returned if the function fails. This method provides an
* already allocated zone of memory in the spu data fields. It needs locking
* since several pictures can be created by several producers threads.
- *****************************************************************************/
-subpicture_t *vout_CreateSubPicture( vout_thread_t *p_vout, int i_type,
- int i_size )
+ * \param p_spu the subpicture unit in which to create the subpicture
+ * \return NULL on error, a reserved subpicture otherwise
+ */
+subpicture_t *spu_CreateSubpicture( spu_t *p_spu )
{
int i_subpic; /* subpicture index */
- subpicture_t * p_free_subpic = NULL; /* first free subpicture */
- subpicture_t * p_destroyed_subpic = NULL; /* first destroyed subpic */
+ subpicture_t * p_subpic = NULL; /* first free subpicture */
/* Get lock */
- vlc_mutex_lock( &p_vout->subpicture_lock );
+ vlc_mutex_lock( &p_spu->subpicture_lock );
/*
* Look for an empty place
*/
+ p_subpic = NULL;
for( i_subpic = 0; i_subpic < VOUT_MAX_SUBPICTURES; i_subpic++ )
{
- if( p_vout->p_subpicture[i_subpic].i_status == DESTROYED_SUBPICTURE )
+ if( p_spu->p_subpicture[i_subpic].i_status == FREE_SUBPICTURE )
+ {
+ /* Subpicture is empty and ready for allocation */
+ p_subpic = &p_spu->p_subpicture[i_subpic];
+ p_spu->p_subpicture[i_subpic].i_status = RESERVED_SUBPICTURE;
+ break;
+ }
+ }
+
+ /* If no free subpicture could be found */
+ if( p_subpic == NULL )
+ {
+ msg_Err( p_spu, "subpicture heap is full" );
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return NULL;
+ }
+
+ /* Copy subpicture information, set some default values */
+ 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->i_alpha = 0xFF;
+ p_subpic->p_region = NULL;
+ p_subpic->pf_render = NULL;
+ p_subpic->pf_destroy = NULL;
+ p_subpic->p_sys = 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;
+}
+
+/**
+ * Remove a subpicture from the heap
+ *
+ * This function frees a previously reserved subpicture.
+ * It is meant to be used when the construction of a picture aborted.
+ * This function does not need locking since reserved subpictures are ignored
+ * by the spu.
+ */
+void spu_DestroySubpicture( spu_t *p_spu, subpicture_t *p_subpic )
+{
+ /* Get lock */
+ vlc_mutex_lock( &p_spu->subpicture_lock );
+
+ /* There can be race conditions so we need to check the status */
+ if( p_subpic->i_status == FREE_SUBPICTURE )
+ {
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return;
+ }
+
+ /* Check if status is valid */
+ if( ( p_subpic->i_status != RESERVED_SUBPICTURE )
+ && ( p_subpic->i_status != READY_SUBPICTURE ) )
+ {
+ msg_Err( p_spu, "subpicture %p has invalid status %d",
+ p_subpic, p_subpic->i_status );
+ }
+
+ while( p_subpic->p_region )
+ {
+ subpicture_region_t *p_region = p_subpic->p_region;
+ p_subpic->p_region = p_region->p_next;
+ spu_DestroyRegion( p_spu, p_region );
+ }
+
+ if( p_subpic->pf_destroy )
+ {
+ p_subpic->pf_destroy( p_subpic );
+ }
+
+ p_subpic->i_status = FREE_SUBPICTURE;
+
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+}
+
+/*****************************************************************************
+ * spu_RenderSubpictures: render a subpicture list
+ *****************************************************************************
+ * This function renders all sub picture units in the list.
+ *****************************************************************************/
+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 )
+ {
+ /* 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", 0, 0 );
+}
+static void SpuRenderCreateAndLoadText( spu_t *p_spu, int i_width, int i_height )
+{
+ 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 = i_width;
+ p_text->fmt_out.video.i_height =
+ p_text->fmt_out.video.i_visible_height = i_height;
+
+ 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 )
+ {
+ p_text->p_module = module_Need( p_text, "text renderer",
+ psz_modulename, true );
+ }
+ free( psz_modulename );
+
+ if( !p_text->p_module )
+ p_text->p_module = module_Need( p_text, "text renderer", NULL, false );
+}
+
+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;
+}
+
+static void SpuRenderRegion( spu_t *p_spu,
+ picture_t *p_pic_dst, picture_t *p_pic_src,
+ subpicture_t *p_subpic, subpicture_region_t *p_region,
+ const int i_scale_width_orig, const int i_scale_height_orig,
+ const int pi_subpic_x[SCALE_SIZE],
+ const int pi_scale_width[SCALE_SIZE],
+ const int pi_scale_height[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;
+ int i_scale_idx;
+ int i_inv_scale_x;
+ int i_inv_scale_y;
+ 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, __MIN(i_scale_width_orig, i_scale_height_orig) );
+ 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;
+ }
+
+ if( p_region->i_align & SUBPICTURE_RENDERED )
+ {
+ /* We are using a region which come from rendered text */
+ i_scale_idx = SCALE_TEXT;
+ i_inv_scale_x = i_scale_width_orig;
+ i_inv_scale_y = i_scale_height_orig;
+ }
+ else
+ {
+ i_scale_idx = SCALE_DEFAULT;
+ i_inv_scale_x = 1000;
+ i_inv_scale_y = 1000;
+ }
+
+ 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;
+
+ /* 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 &&
+ ( ( pi_scale_width[i_scale_idx] > 0 && pi_scale_width[i_scale_idx] != 1000 ) ||
+ ( pi_scale_height[i_scale_idx] > 0 && pi_scale_height[i_scale_idx] != 1000 ) ||
+ ( b_force_palette ) ) )
+ {
+ const unsigned i_dst_width = p_region->fmt.i_width * pi_scale_width[i_scale_idx] / 1000;
+ const unsigned i_dst_height = p_region->fmt.i_height * pi_scale_height[i_scale_idx] / 1000;
+
+ /* Destroy if cache is unusable */
+ if( p_region->p_cache )
{
- /* Subpicture is marked for destruction, but is still allocated */
- if( (p_vout->p_subpicture[i_subpic].i_type == i_type) &&
- (p_vout->p_subpicture[i_subpic].i_size >= i_size) )
+ if( p_region->p_cache->fmt.i_width != i_dst_width ||
+ p_region->p_cache->fmt.i_height != i_dst_height ||
+ b_force_palette )
{
- /* Memory size do match or is smaller : memory will not be
- * reallocated, and function can end immediately - this is
- * the best possible case, since no memory allocation needs
- * to be done */
- p_vout->p_subpicture[i_subpic].i_status = RESERVED_SUBPICTURE;
-#ifdef TRACE_VOUT
- intf_DbgMsg("subpicture %p (in destroyed subpicture slot)",
- &p_vout->p_subpicture[i_subpic] );
-#endif
- vlc_mutex_unlock( &p_vout->subpicture_lock );
- return( &p_vout->p_subpicture[i_subpic] );
+ p_subpic->pf_destroy_region( VLC_OBJECT(p_spu),
+ p_region->p_cache );
+ p_region->p_cache = NULL;
}
- else if( p_destroyed_subpic == NULL )
+ }
+
+ /* Scale if needed into cache */
+ if( !p_region->p_cache )
+ {
+ picture_t *p_pic;
+
+ 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;
+
+ vout_CopyPicture( p_spu, &p_region->p_cache->picture,
+ &p_region->picture );
+
+ 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 =
+ p_region->fmt.i_visible_width * pi_scale_width[ i_scale_idx ] / 1000;
+ 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_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 = 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 )
{
- /* Memory size do not match, but subpicture index will be kept
- * in case we find no other place */
- p_destroyed_subpic = &p_vout->p_subpicture[i_subpic];
+ p_region->p_cache->picture = *p_pic;
+ free( p_pic );
}
}
- else if( (p_free_subpic == NULL) &&
- (p_vout->p_subpicture[i_subpic].i_status == FREE_SUBPICTURE ))
+
+ /* And use the scaled picture */
+ if( p_region->p_cache )
{
- /* Subpicture is empty and ready for allocation */
- p_free_subpic = &p_vout->p_subpicture[i_subpic];
+ p_region = p_region->p_cache;
+ fmt_original = p_region->fmt;
}
}
- /* If no free subpictures are available, use a destroyed subpicture */
- if( (p_free_subpic == NULL) && (p_destroyed_subpic != NULL ) )
+ if( p_region->i_align & SUBPICTURE_ALIGN_BOTTOM )
{
- /* No free subpicture or matching destroyed subpictures have been
- * found, but a destroyed subpicture is still avalaible */
- free( p_destroyed_subpic->p_data );
- p_free_subpic = p_destroyed_subpic;
+ 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;
}
- /*
- * Prepare subpicture
- */
- if( p_free_subpic != NULL )
+ if( p_region->i_align & SUBPICTURE_ALIGN_RIGHT )
{
- /* Allocate memory */
- switch( i_type )
- {
- case TEXT_SUBPICTURE: /* text subpicture */
- p_free_subpic->p_data = memalign( 16, i_size + 1 );
- break;
- case DVD_SUBPICTURE: /* DVD subpicture unit */
- p_free_subpic->p_data = memalign( 16, i_size );
- break;
-#ifdef DEBUG
- default:
- intf_ErrMsg("error: unknown subpicture type %d", i_type );
- p_free_subpic->p_data = NULL;
- break;
-#endif
- }
+ 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;
+ }
- if( p_free_subpic->p_data != NULL )
+ 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;
+
+ }
+
+ i_x_offset = __MAX( i_x_offset, 0 );
+ i_y_offset = __MAX( i_y_offset, 0 );
+
+ if( p_spu->i_margin != 0 && !b_force_crop )
+ {
+ 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 );
+ }
+
+ /* Force cropping if requested */
+ if( b_force_crop )
+ {
+ video_format_t *p_fmt = &p_region->fmt;
+ 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 )
{
- /* Copy subpicture information, set some default values */
- p_free_subpic->i_type = i_type;
- p_free_subpic->i_status = RESERVED_SUBPICTURE;
- p_free_subpic->i_size = i_size;
- p_free_subpic->i_x = 0;
- p_free_subpic->i_y = 0;
- p_free_subpic->i_width = 0;
- p_free_subpic->i_height = 0;
- p_free_subpic->i_horizontal_align = CENTER_RALIGN;
- p_free_subpic->i_vertical_align = CENTER_RALIGN;
+ /* No intersection */
+ p_fmt->i_visible_width = p_fmt->i_visible_height = 0;
}
else
{
- /* Memory allocation failed : set subpicture as empty */
- p_free_subpic->i_type = EMPTY_SUBPICTURE;
- p_free_subpic->i_status = FREE_SUBPICTURE;
- p_free_subpic = NULL;
- intf_ErrMsg( "vout error: spu allocation returned %s",
- strerror( ENOMEM ) );
+ 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;
}
-
-#ifdef TRACE_VOUT
- intf_DbgMsg("subpicture %p (in free subpicture slot)", p_free_subpic );
-#endif
- vlc_mutex_unlock( &p_vout->subpicture_lock );
- return( p_free_subpic );
+ b_restore_format = true;
}
- /* No free or destroyed subpicture could be found */
- intf_DbgMsg( "warning: subpicture heap is full" );
- vlc_mutex_unlock( &p_vout->subpicture_lock );
- return( NULL );
-}
+ i_x_offset = __MAX( i_x_offset, 0 );
+ i_y_offset = __MAX( i_y_offset, 0 );
-/*****************************************************************************
- * vout_DestroySubPicture: remove a subpicture from the heap
- *****************************************************************************
- * This function frees a previously reserved subpicture.
- * It is meant to be used when the construction of a picture aborted.
- * This function does not need locking since reserved subpictures are ignored
- * by the output thread.
- *****************************************************************************/
-void vout_DestroySubPicture( vout_thread_t *p_vout, subpicture_t *p_subpic )
-{
-#ifdef DEBUG
- /* Check if status is valid */
- if( ( p_subpic->i_status != RESERVED_SUBPICTURE )
- && ( p_subpic->i_status != READY_SUBPICTURE ) )
- {
- intf_ErrMsg("error: subpicture %p has invalid status %d",
- p_subpic, p_subpic->i_status );
- }
-#endif
+ /* 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 )
+ {
+ i_fade_alpha = 255 * ( p_subpic->i_stop - i_now ) /
+ ( p_subpic->i_stop - i_fade_start );
+ }
+ }
- p_subpic->i_status = DESTROYED_SUBPICTURE;
+ /* Update the blender */
+ SpuRenderUpdateBlend( p_spu, p_fmt->i_width, p_fmt->i_height, &p_region->fmt );
-#ifdef TRACE_VOUT
- intf_DbgMsg("subpicture %p", p_subpic);
-#endif
+ 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 );
+ }
+
+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;
}
-/*****************************************************************************
- * vout_RenderSubPictures: render a subpicture list
- *****************************************************************************
- * This function renders a sub picture unit.
- *****************************************************************************/
-void vout_RenderSubPictures( vout_thread_t *p_vout, picture_t *p_pic,
- subpicture_t *p_subpic )
+void spu_RenderSubpictures( spu_t *p_spu, video_format_t *p_fmt,
+ picture_t *p_pic_dst, picture_t *p_pic_src,
+ subpicture_t *p_subpic,
+ int i_scale_width_orig, int i_scale_height_orig )
{
-#if 0
- p_vout_font_t p_font; /* text font */
- int i_width, i_height; /* subpicture dimensions */
-#endif
+ int i_source_video_width;
+ int i_source_video_height;
+ subpicture_t *p_subpic_v;
+
+ /* Get lock */
+ vlc_mutex_lock( &p_spu->subpicture_lock );
+
+ 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 )
+ {
+ if( p_subpic_v->pf_pre_render )
+ p_subpic_v->pf_pre_render( p_fmt, p_spu, p_subpic_v );
+ }
+
+ if( i_scale_width_orig <= 0 )
+ i_scale_width_orig = 1000;
+ if( i_scale_height_orig <= 0 )
+ i_scale_height_orig = 1000;
+
+ 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;
- while( p_subpic != NULL )
+ /* Check i_status again to make sure spudec hasn't destroyed the subpic */
+ for( ; ( p_subpic != NULL ) && ( p_subpic->i_status != FREE_SUBPICTURE ); p_subpic = p_subpic->p_next )
{
- switch( p_subpic->i_type )
+ 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 ) )
{
- case DVD_SUBPICTURE: /* DVD subpicture unit */
- vout_RenderRGBSPU( p_vout, p_pic, p_subpic );
- vout_RenderYUVSPU( p_vout, p_pic, p_subpic );
- break;
+ /* FIXME this looks wrong */
+ p_subpic->i_original_picture_height = 0;
+ p_subpic->i_original_picture_width = 0;
+ }
+
+ for( k = 0; k < SCALE_SIZE ; k++ )
+ pi_subpic_x[ k ] = p_subpic->i_x;
-#if 0
- case TEXT_SUBPICTURE: /* single line text */
- /* Select default font if not specified */
- p_font = p_subpic->type.text.p_font;
- if( p_font == NULL )
+ 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, mdate() );
+ }
+
+ /* */
+ p_region = p_subpic->p_region;
+ if( !p_region )
+ continue;
+
+ /* Create the blending module */
+ if( !p_spu->p_blend )
+ SpuRenderCreateBlend( p_spu, p_fmt->i_chroma, p_fmt->i_aspect );
+
+ /* 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 )
+ SpuRenderCreateAndLoadText( p_spu, p_fmt->i_width, p_fmt->i_height );
+
+ if( p_spu->p_text )
+ {
+ 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_font = p_vout->p_default_font;
+ p_text_region = p_text_region->p_next;
}
- /* Compute text size (width and height fields are ignored)
- * and print it */
- vout_TextSize( p_font, p_subpic->type.text.i_style,
- p_subpic->p_data, &i_width, &i_height );
- if( !Align( p_vout, &p_subpic->i_x, &p_subpic->i_y,
- i_width, i_height, p_subpic->i_horizontal_align,
- p_subpic->i_vertical_align ) )
+ if( p_text_region &&
+ ( ( p_text_region->i_align & SUBPICTURE_RENDERED ) == 0 ) )
{
- vout_Print( p_font,
- p_vout->p_buffer[ p_vout->i_buffer_index ].p_data +
- p_subpic->i_x * p_vout->i_bytes_per_pixel +
- p_subpic->i_y * p_vout->i_bytes_per_line,
- p_vout->i_bytes_per_pixel, p_vout->i_bytes_per_line, p_subpic->type.text.i_char_color,
- p_subpic->type.text.i_border_color,
- p_subpic->type.text.i_bg_color,
- p_subpic->type.text.i_style, p_subpic->p_data, 100 );
- SetBufferArea( p_vout, p_subpic->i_x, p_subpic->i_y,
- i_width, i_height );
+ 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;
+ }
}
- break;
-#endif
- default:
-#ifdef DEBUG
- intf_ErrMsg( "error: unknown subpicture %p type %d",
- p_subpic, p_subpic->i_type );
-#endif
- break;
+ /* XXX for text:
+ * scale[] allows to pass from rendered size (by text module) to video output size */
+ 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;
+ }
+ else
+ {
+ /* Just set a value to avoid using invalid memory while looping over the array */
+ pi_scale_width[SCALE_TEXT] =
+ pi_scale_height[SCALE_TEXT]= 1000;
+ }
+
+ /* XXX for default:
+ * scale[] allows to pass from native (either video or original) size to output size */
+
+ if( p_subpic->i_original_picture_height > 0 &&
+ p_subpic->i_original_picture_width > 0 )
+ {
+ pi_scale_width[SCALE_DEFAULT] = p_fmt->i_width * 1000 / p_subpic->i_original_picture_width;
+ pi_scale_height[SCALE_DEFAULT] = p_fmt->i_height * 1000 / p_subpic->i_original_picture_height;
+ }
+ else
+ {
+ pi_scale_width[ SCALE_DEFAULT ] = i_scale_width_orig;
+ pi_scale_height[ SCALE_DEFAULT ] = i_scale_height_orig;
+ }
+
+ 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;
+ }
+ }
+
+ /* Set default subpicture aspect ratio */
+ 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->i_sar_den;
+ p_region->fmt.i_sar_num = p_fmt->i_sar_num;
+ }
+ }
+
+ /* 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 ) )
+ {
+ 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;
+ }
+ }
+
+ /* Load the scaling module when needed */
+ if( !p_spu->p_scale )
+ {
+ bool b_scale_used = false;
+
+ for( k = 0; k < SCALE_SIZE; k++ )
+ {
+ const int i_scale_w = pi_scale_width[k];
+ const int i_scale_h = pi_scale_height[k];
+ if( ( i_scale_w > 0 && i_scale_w != 1000 ) || ( i_scale_h > 0 && i_scale_h != 1000 ) )
+ b_scale_used = true;
+ }
+
+ if( b_scale_used )
+ SpuRenderCreateAndLoadScale( p_spu );
}
- p_subpic = p_subpic->p_next;
+ for( ; p_region != NULL; p_region = p_region->p_next )
+ SpuRenderRegion( p_spu, p_pic_dst, p_pic_src,
+ p_subpic, p_region, i_scale_width_orig, i_scale_height_orig,
+ pi_subpic_x, pi_scale_width, pi_scale_height,
+ p_fmt );
}
+
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
}
/*****************************************************************************
- * vout_SortSubPictures: find the subpictures to display
+ * spu_SortSubpictures: find the subpictures to display
*****************************************************************************
* This function parses all subpictures and decides which ones need to be
* displayed. This operation does not need lock, since only READY_SUBPICTURE
* to be removed if a newer one is available), which makes it a lot
* more difficult to guess if a subpicture has to be rendered or not.
*****************************************************************************/
-subpicture_t *vout_SortSubPictures( vout_thread_t *p_vout,
- mtime_t display_date )
+subpicture_t *spu_SortSubpictures( spu_t *p_spu, mtime_t display_date,
+ bool b_paused )
{
- int i_index;
- subpicture_t *p_subpic = NULL;
- subpicture_t *p_ephemer = NULL;
- mtime_t ephemer_date = 0;
+ int i_index, i_channel;
+ subpicture_t *p_subpic = NULL;
+ subpicture_t *p_ephemer;
+ mtime_t ephemer_date;
+
+ /* Run subpicture filters */
+ filter_chain_SubFilter( p_spu->p_chain, display_date );
/* We get an easily parsable chained list of subpictures which
* ends with NULL since p_subpic was initialized to NULL. */
- for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
+ for( i_channel = 0; i_channel < p_spu->i_channel; i_channel++ )
{
- if( p_vout->p_subpicture[i_index].i_status == READY_SUBPICTURE )
+ p_ephemer = 0;
+ ephemer_date = 0;
+
+ for( i_index = 0; i_index < VOUT_MAX_SUBPICTURES; i_index++ )
{
- /* If it is a DVD subpicture, check its date */
- if( p_vout->p_subpicture[i_index].i_type == DVD_SUBPICTURE )
+ if( p_spu->p_subpicture[i_index].i_channel != i_channel ||
+ p_spu->p_subpicture[i_index].i_status != READY_SUBPICTURE )
{
- if( display_date > p_vout->p_subpicture[i_index].i_stop )
- {
- /* Too late, destroy the subpic */
- vout_DestroySubPicture( p_vout,
- &p_vout->p_subpicture[i_index] );
- continue;
- }
+ continue;
+ }
+ if( display_date &&
+ display_date < p_spu->p_subpicture[i_index].i_start )
+ {
+ /* Too early, come back next monday */
+ continue;
+ }
- if( display_date < p_vout->p_subpicture[i_index].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 this is an ephemer subpic, see if it's the
- * youngest we have */
- if( p_vout->p_subpicture[i_index].b_ephemer )
- {
- if( p_ephemer == NULL )
- {
- p_ephemer = &p_vout->p_subpicture[i_index];
- continue;
- }
-
- if( p_vout->p_subpicture[i_index].i_start
- < p_ephemer->i_start )
- {
- /* Link the previous ephemer subpicture and
- * replace it with the current one */
- p_ephemer->p_next = p_subpic;
- p_subpic = p_ephemer;
- p_ephemer = &p_vout->p_subpicture[i_index];
-
- /* If it's the 2nd youngest subpicture,
- * register its date */
- if( !ephemer_date
- || ephemer_date > p_subpic->i_start )
- {
- ephemer_date = p_subpic->i_start;
- }
-
- continue;
- }
- }
+ 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 ) )
+ {
+ /* Too late, destroy the subpic */
+ spu_DestroySubpicture( p_spu, &p_spu->p_subpicture[i_index] );
+ continue;
+ }
- p_vout->p_subpicture[i_index].p_next = p_subpic;
- p_subpic = &p_vout->p_subpicture[i_index];
+ /* If this is an ephemer subpic, add it to our list */
+ if( p_spu->p_subpicture[i_index].b_ephemer )
+ {
+ p_spu->p_subpicture[i_index].p_next = p_ephemer;
+ p_ephemer = &p_spu->p_subpicture[i_index];
- /* If it's the 2nd youngest subpicture, register its date */ if( !ephemer_date || ephemer_date > p_subpic->i_start )
- {
- ephemer_date = p_subpic->i_start;
- }
+ continue;
+ }
+
+ p_spu->p_subpicture[i_index].p_next = p_subpic;
+ p_subpic = &p_spu->p_subpicture[i_index];
+ }
+
+ /* If we found ephemer subpictures, check if they have to be
+ * displayed or destroyed */
+ while( p_ephemer != NULL )
+ {
+ subpicture_t *p_tmp = p_ephemer;
+ p_ephemer = p_ephemer->p_next;
+
+ if( p_tmp->i_start < ephemer_date )
+ {
+ /* Ephemer subpicture has lived too long */
+ spu_DestroySubpicture( p_spu, p_tmp );
}
- /* If it's not a DVD subpicture, just register it */
else
{
- p_vout->p_subpicture[i_index].p_next = p_subpic;
- p_subpic = &p_vout->p_subpicture[i_index];
+ /* Ephemer subpicture can still live a bit */
+ p_tmp->p_next = p_subpic;
+ p_subpic = p_tmp;
}
}
}
- /* If we found an ephemer subpicture, check if it has to be
- * displayed */
- if( p_ephemer != NULL )
+ return p_subpic;
+}
+
+/*****************************************************************************
+ * 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, bool b_locked )
+{
+ int i_subpic; /* subpicture index */
+ subpicture_t *p_subpic = NULL; /* first free subpicture */
+
+ if( !b_locked )
+ vlc_mutex_lock( &p_spu->subpicture_lock );
+
+ for( i_subpic = 0; i_subpic < VOUT_MAX_SUBPICTURES; i_subpic++ )
{
- if( p_ephemer->i_start < ephemer_date )
+ p_subpic = &p_spu->p_subpicture[i_subpic];
+ if( p_subpic->i_status == FREE_SUBPICTURE
+ || ( p_subpic->i_status != RESERVED_SUBPICTURE
+ && p_subpic->i_status != READY_SUBPICTURE ) )
{
- /* Ephemer subpicture has lived too long */
- vout_DestroySubPicture( p_vout, p_ephemer );
+ continue;
}
- else
+
+ if( p_subpic->i_channel == i_channel )
{
- /* Ephemer subpicture can still live a bit */
- p_ephemer->p_next = p_subpic;
- return p_ephemer;
+ while( p_subpic->p_region )
+ {
+ subpicture_region_t *p_region = p_subpic->p_region;
+ p_subpic->p_region = p_region->p_next;
+ spu_DestroyRegion( p_spu, p_region );
+ }
+
+ if( p_subpic->pf_destroy ) p_subpic->pf_destroy( p_subpic );
+ p_subpic->i_status = FREE_SUBPICTURE;
}
}
- return p_subpic;
+ if( !b_locked )
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
}
/*****************************************************************************
- * vout_RenderRGBSPU: draw an SPU on a picture
- *****************************************************************************
- * This is a fast implementation of the subpicture drawing code. The data
- * has been preprocessed once in spu_decoder.c, so we don't need to parse the
- * RLE buffer again and again. Most sanity checks are done in spu_decoder.c
- * so that this routine can be as fast as possible.
+ * spu_ControlDefault: default methods for the subpicture unit control.
*****************************************************************************/
-static void vout_RenderRGBSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu )
+static int spu_vaControlDefault( spu_t *p_spu, int i_query, va_list args )
{
-#if 0
- int i_len, i_color;
- u16 *p_source = (u16 *)p_spu->p_data;
+ int *pi, i;
- int i_xscale = ( p_buffer->i_pic_width << 6 ) / p_pic->i_width;
- int i_yscale = ( p_buffer->i_pic_height << 6 ) / p_pic->i_height;
-
- int i_width = p_spu->i_width * i_xscale;
- int i_height = p_spu->i_height * i_yscale;
+ switch( i_query )
+ {
+ case SPU_CHANNEL_REGISTER:
+ pi = (int *)va_arg( args, int * );
+ if( pi ) *pi = p_spu->i_channel++;
+ break;
+
+ case SPU_CHANNEL_CLEAR:
+ i = (int)va_arg( args, int );
+ SpuClearChannel( p_spu, i, false );
+ break;
+
+ default:
+ msg_Dbg( p_spu, "control query not supported" );
+ return VLC_EGENERIC;
+ }
- int i_x, i_y, i_ytmp, i_yreal, i_ynext;
+ return VLC_SUCCESS;
+}
- u8 *p_dest = p_buffer->p_data + ( i_width >> 6 ) * i_bytes_per_pixel
- /* Add the picture coordinates and the SPU coordinates */
- + ( p_buffer->i_pic_x + ((p_spu->i_x * i_xscale) >> 6))
- * i_bytes_per_pixel
- + ( p_buffer->i_pic_y + ((p_spu->i_y * i_yscale) >> 6))
- * i_bytes_per_line;
+/*****************************************************************************
+ * Object variables callbacks
+ *****************************************************************************/
- /* Draw until we reach the bottom of the subtitle */
- i_y = 0;
+/*****************************************************************************
+ * UpdateSPU: update subpicture settings
+ *****************************************************************************
+ * This function is called from CropCallback and at initialization time, to
+ * retrieve crop information from the input.
+ *****************************************************************************/
+static void UpdateSPU( spu_t *p_spu, vlc_object_t *p_object )
+{
+ vlc_value_t val;
- while( i_y < i_height )
- {
- i_ytmp = i_y >> 6;
- i_y += i_yscale;
+ vlc_mutex_lock( &p_spu->subpicture_lock );
- /* Check whether we need to draw one line or more than one */
- if( i_ytmp + 1 >= ( i_y >> 6 ) )
- {
- /* Just one line : we precalculate i_y >> 6 */
- i_yreal = i_bytes_per_line * i_ytmp;
+ p_spu->b_force_palette = false;
+ p_spu->b_force_crop = false;
- /* Draw until we reach the end of the line */
- i_x = i_width;
+ if( var_Get( p_object, "highlight", &val ) || !val.b_bool )
+ {
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return;
+ }
- while( i_x )
- {
- /* Get the RLE part */
- i_color = *p_source & 0x3;
+ p_spu->b_force_crop = true;
+ var_Get( p_object, "x-start", &val );
+ p_spu->i_crop_x = val.i_int;
+ var_Get( p_object, "y-start", &val );
+ p_spu->i_crop_y = val.i_int;
+ var_Get( p_object, "x-end", &val );
+ p_spu->i_crop_width = val.i_int - p_spu->i_crop_x;
+ var_Get( p_object, "y-end", &val );
+ p_spu->i_crop_height = val.i_int - p_spu->i_crop_y;
+
+ if( var_Get( p_object, "menu-palette", &val ) == VLC_SUCCESS )
+ {
+ memcpy( p_spu->palette, val.p_address, 16 );
+ p_spu->b_force_palette = true;
+ }
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
- /* Draw the line */
- if( i_color )
- {
- i_len = i_xscale * ( *p_source++ >> 2 );
+ msg_Dbg( p_object, "crop: %i,%i,%i,%i, palette forced: %i",
+ p_spu->i_crop_x, p_spu->i_crop_y,
+ p_spu->i_crop_width, p_spu->i_crop_height,
+ p_spu->b_force_palette );
+}
- memset( p_dest - i_bytes_per_pixel * ( i_x >> 6 )
- + i_yreal,
- p_palette[ i_color ],
- i_bytes_per_pixel * ( ( i_len >> 6 ) + 1 ) );
+/*****************************************************************************
+ * CropCallback: called when the highlight properties are changed
+ *****************************************************************************
+ * 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 )
+{
+ (void)psz_var; (void)oldval; (void)newval;
+ UpdateSPU( (spu_t *)p_data, p_object );
+ return VLC_SUCCESS;
+}
- i_x -= i_len;
- continue;
- }
+/*****************************************************************************
+ * Buffers allocation callbacks for the filters
+ *****************************************************************************/
+static subpicture_t *sub_new_buffer( filter_t *p_filter )
+{
+ filter_owner_sys_t *p_sys = p_filter->p_owner;
+ subpicture_t *p_subpicture = spu_CreateSubpicture( p_sys->p_spu );
+ if( p_subpicture ) p_subpicture->i_channel = p_sys->i_channel;
+ return p_subpicture;
+}
- i_x -= i_xscale * ( *p_source++ >> 2 );
- }
- }
- else
- {
- i_yreal = i_bytes_per_line * i_ytmp;
- i_ynext = i_bytes_per_line * i_y >> 6;
+static void sub_del_buffer( filter_t *p_filter, subpicture_t *p_subpic )
+{
+ filter_owner_sys_t *p_sys = p_filter->p_owner;
+ spu_DestroySubpicture( p_sys->p_spu, p_subpic );
+}
- /* Draw until we reach the end of the line */
- i_x = i_width;
+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) );
+ p_subpic->b_absolute = true;
- while( i_x )
- {
- /* Get the RLE part */
- i_color = *p_source & 0x3;
+ p_subpic->pf_create_region = __spu_CreateRegion;
+ p_subpic->pf_make_region = __spu_MakeRegion;
+ p_subpic->pf_destroy_region = __spu_DestroyRegion;
- /* Draw as many lines as needed */
- if( i_color )
- {
- i_len = i_xscale * ( *p_source++ >> 2 );
-
- for( i_ytmp = i_yreal ;
- i_ytmp < i_ynext ;
- i_ytmp += i_bytes_per_line )
- {
- memset( p_dest - i_bytes_per_pixel * ( i_x >> 6 )
- + i_ytmp,
- p_palette[ i_color ],
- i_bytes_per_pixel * ( ( i_len >> 6 ) + 1 ) );
- }
-
- i_x -= i_len;
- continue;
- }
+ return p_subpic;
+}
- i_x -= i_xscale * ( *p_source++ >> 2 );
- }
- }
+static void spu_del_buffer( filter_t *p_filter, subpicture_t *p_subpic )
+{
+ while( p_subpic->p_region )
+ {
+ subpicture_region_t *p_region = p_subpic->p_region;
+ p_subpic->p_region = p_region->p_next;
+ p_subpic->pf_destroy_region( VLC_OBJECT(p_filter), p_region );
}
-#endif
+
+ free( p_subpic );
}
-/*****************************************************************************
- * vout_RenderYUVSPU: draw an SPU on an YUV overlay
- *****************************************************************************
- * This is a fast implementation of the subpicture drawing code. The data
- * has been preprocessed once in spu_decoder.c, so we don't need to parse the
- * RLE buffer again and again. Most sanity checks are done in spu_decoder.c
- * so that this routine can be as fast as possible.
- *****************************************************************************/
-static void vout_RenderYUVSPU( const vout_thread_t *p_vout, picture_t *p_pic,
- const subpicture_t *p_spu )
+static picture_t *spu_new_video_buffer( filter_t *p_filter )
{
- int i_len, i_color;
- u16 *p_source = (u16 *)p_spu->p_data;
-
- int i_x, i_y;
+ 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;
+ }
- u8 *p_dest = p_pic->P_Y + p_spu->i_x + p_spu->i_width
- + p_vout->output.i_width * ( p_spu->i_y + p_spu->i_height );
+ p_picture->pf_release = RegionPictureRelease;
- /* Draw until we reach the bottom of the subtitle */
- i_y = p_spu->i_height * p_vout->output.i_width;
+ return p_picture;
+}
- while( i_y )
+static void spu_del_video_buffer( filter_t *p_filter, picture_t *p_pic )
+{
+ (void)p_filter;
+ if( p_pic )
{
- /* Draw until we reach the end of the line */
- i_x = p_spu->i_width;
+ free( p_pic->p_data_orig );
+ free( p_pic );
+ }
+}
- while( i_x )
- {
- /* Draw the line if needed */
- i_color = *p_source & 0x3;
+static int SubFilterCallback( vlc_object_t *p_object, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *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 );
+ vlc_mutex_unlock( &p_spu->subpicture_lock );
+ return VLC_SUCCESS;
+}
- if( i_color )
- {
- i_len = *p_source++ >> 2;
- memset( p_dest - i_x - i_y, p_palette[ i_color ], i_len );
- i_x -= i_len;
- continue;
- }
+static int sub_filter_allocation_init( filter_t *p_filter, void *p_data )
+{
+ spu_t *p_spu = (spu_t *)p_data;
- i_x -= *p_source++ >> 2;
- }
+ p_filter->pf_sub_buffer_new = sub_new_buffer;
+ p_filter->pf_sub_buffer_del = sub_del_buffer;
- i_y -= p_vout->output.i_width;
- }
+ 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 )
+{
+ 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