/*****************************************************************************
* SSA/ASS subtitle decoder using libass.
*****************************************************************************
- * Copyright (C) 2008-2009 the VideoLAN team
+ * Copyright (C) 2008-2009 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@videolan.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <ass/ass.h>
-#if defined(WIN32)
+#if defined(_WIN32)
# include <vlc_charset.h>
#endif
-/* Compatibility with old libass */
-#if !defined(LIBASS_VERSION) || LIBASS_VERSION < 0x00907010
-# define ASS_Renderer ass_renderer_t
-# define ASS_Library ass_library_t
-# define ASS_Track ass_track_t
-# define ASS_Image ass_image_t
-#endif
-
/*****************************************************************************
* Module descriptor
*****************************************************************************/
*****************************************************************************/
static subpicture_t *DecodeBlock( decoder_t *, block_t ** );
-/* Yes libass sux with threads */
-typedef struct
-{
- vlc_object_t *p_libvlc;
-
- int i_refcount;
- ASS_Library *p_library;
- ASS_Renderer *p_renderer;
- video_format_t fmt;
-} ass_handle_t;
-static ass_handle_t *AssHandleHold( decoder_t *p_dec );
-static void AssHandleRelease( ass_handle_t * );
-
/* */
struct decoder_sys_t
{
- mtime_t i_max_stop;
+ mtime_t i_max_stop;
- /* decoder_sys_t is shared between decoder and spu units */
- vlc_mutex_t lock;
- int i_refcount;
+ /* The following fields of decoder_sys_t are shared between decoder and spu units */
+ vlc_mutex_t lock;
+ int i_refcount;
/* */
- ass_handle_t *p_ass;
+ ASS_Library *p_library;
+ ASS_Renderer *p_renderer;
+ video_format_t fmt;
/* */
- ASS_Track *p_track;
+ ASS_Track *p_track;
};
static void DecSysRelease( decoder_sys_t *p_sys );
static void DecSysHold( decoder_sys_t *p_sys );
static int BuildRegions( rectangle_t *p_region, int i_max_region, ASS_Image *p_img_list, int i_width, int i_height );
static void RegionDraw( subpicture_region_t *p_region, ASS_Image *p_img );
-static vlc_mutex_t libass_lock = VLC_STATIC_MUTEX;
-
//#define DEBUG_REGION
/*****************************************************************************
{
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys;
- ASS_Track *p_track;
if( p_dec->fmt_in.i_codec != VLC_CODEC_SSA )
return VLC_EGENERIC;
return VLC_ENOMEM;
/* */
+ vlc_mutex_init( &p_sys->lock );
+ p_sys->i_refcount = 1;
+ memset( &p_sys->fmt, 0, sizeof(p_sys->fmt) );
p_sys->i_max_stop = VLC_TS_INVALID;
- p_sys->p_ass = AssHandleHold( p_dec );
- if( !p_sys->p_ass )
+ p_sys->p_library = NULL;
+ p_sys->p_renderer = NULL;
+ p_sys->p_track = NULL;
+
+ /* Create libass library */
+ ASS_Library *p_library = p_sys->p_library = ass_library_init();
+ if( !p_library )
{
- free( p_sys );
+ msg_Warn( p_dec, "Libass library creation failed" );
+ DecSysRelease( p_sys );
return VLC_EGENERIC;
}
- vlc_mutex_init( &p_sys->lock );
- p_sys->i_refcount = 1;
+
+ /* load attachments */
+ input_attachment_t **pp_attachments;
+ int i_attachments;
+ if( decoder_GetInputAttachments( p_dec, &pp_attachments, &i_attachments ))
+ {
+ i_attachments = 0;
+ pp_attachments = NULL;
+ }
+ for( int k = 0; k < i_attachments; k++ )
+ {
+ input_attachment_t *p_attach = pp_attachments[k];
+
+ bool found = false;
+
+ /* Check mimetype*/
+ if( !strcasecmp( p_attach->psz_mime, "application/x-truetype-font" ) )
+ found = true;
+ /* Then extension */
+ else if( !found && strlen( p_attach->psz_name ) > 4 )
+ {
+ char *ext = p_attach->psz_name + strlen( p_attach->psz_name ) - 4;
+
+ if( !strcasecmp( ext, ".ttf" ) || !strcasecmp( ext, ".otf" ) || !strcasecmp( ext, ".ttc" ) )
+ found = true;
+ }
+
+ if( found )
+ {
+ msg_Dbg( p_dec, "adding embedded font %s", p_attach->psz_name );
+
+ ass_add_font( p_sys->p_library, p_attach->psz_name, p_attach->p_data, p_attach->i_data );
+ }
+ vlc_input_attachment_Delete( p_attach );
+ }
+ free( pp_attachments );
+
+ ass_set_extract_fonts( p_library, true );
+ ass_set_style_overrides( p_library, NULL );
+
+ /* Create the renderer */
+ ASS_Renderer *p_renderer = p_sys->p_renderer = ass_renderer_init( p_library );
+ if( !p_renderer )
+ {
+ msg_Warn( p_dec, "Libass renderer creation failed" );
+ DecSysRelease( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ ass_set_use_margins( p_renderer, false);
+ //if( false )
+ // ass_set_margins( p_renderer, int t, int b, int l, int r);
+ ass_set_hinting( p_renderer, ASS_HINTING_LIGHT );
+ ass_set_font_scale( p_renderer, 1.0 );
+ ass_set_line_spacing( p_renderer, 0.0 );
+
+#if defined( __ANDROID__ )
+ const char *psz_font = "/system/fonts/DroidSans-Bold.ttf";
+ const char *psz_family = "Droid Sans Bold";
+#else
+ const char *psz_font = NULL; /* We don't ship a default font with VLC */
+ const char *psz_family = "Arial"; /* Use Arial if we can't find anything more suitable */
+#endif
+
+#ifdef HAVE_FONTCONFIG
+#if defined(_WIN32)
+ dialog_progress_bar_t *p_dialog =
+ dialog_ProgressCreate( p_dec,
+ _("Building font cache"),
+ _( "Please wait while your font cache is rebuilt.\n"
+ "This should take less than a minute." ), NULL );
+#endif
+ ass_set_fonts( p_renderer, psz_font, psz_family, true, NULL, 1 ); // setup default font/family
+#ifdef _WIN32
+ if( p_dialog )
+ {
+ dialog_ProgressSet( p_dialog, NULL, 1.0 );
+ dialog_ProgressDestroy( p_dialog );
+ }
+#endif
+#else
+ /* FIXME you HAVE to give him a font if no fontconfig */
+ ass_set_fonts( p_renderer, psz_font, psz_family, false, NULL, 1 );
+#endif
/* Add a track */
- vlc_mutex_lock( &libass_lock );
- p_sys->p_track = p_track = ass_new_track( p_sys->p_ass->p_library );
+ ASS_Track *p_track = p_sys->p_track = ass_new_track( p_sys->p_library );
if( !p_track )
{
- vlc_mutex_unlock( &libass_lock );
DecSysRelease( p_sys );
return VLC_EGENERIC;
}
ass_process_codec_private( p_track, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
- vlc_mutex_unlock( &libass_lock );
p_dec->fmt_out.i_cat = SPU_ES;
p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;
vlc_mutex_unlock( &p_sys->lock );
vlc_mutex_destroy( &p_sys->lock );
- vlc_mutex_lock( &libass_lock );
if( p_sys->p_track )
ass_free_track( p_sys->p_track );
- vlc_mutex_unlock( &libass_lock );
+ if( p_sys->p_renderer )
+ ass_renderer_done( p_sys->p_renderer );
+ if( p_sys->p_library )
+ ass_library_done( p_sys->p_library );
- AssHandleRelease( p_sys->p_ass );
free( p_sys );
}
p_sys->i_max_stop = p_spu->i_stop;
- vlc_mutex_lock( &libass_lock );
+ vlc_mutex_lock( &p_sys->lock );
if( p_sys->p_track )
{
ass_process_chunk( p_sys->p_track, p_spu_sys->p_subs_data, p_spu_sys->i_subs_len,
p_block->i_pts / 1000, p_block->i_length / 1000 );
}
- vlc_mutex_unlock( &libass_lock );
+ vlc_mutex_unlock( &p_sys->lock );
DecSysHold( p_sys ); /* Keep a reference for the returned subpicture */
mtime_t i_ts )
{
decoder_sys_t *p_sys = p_subpic->updater.p_sys->p_dec_sys;
- ass_handle_t *p_ass = p_sys->p_ass;
- vlc_mutex_lock( &libass_lock );
+ vlc_mutex_lock( &p_sys->lock );
- /* FIXME why this mix of src/dst */
video_format_t fmt = *p_fmt_dst;
fmt.i_chroma = VLC_CODEC_RGBA;
fmt.i_bits_per_pixel = 0;
- fmt.i_width =
- fmt.i_visible_width = p_fmt_src->i_width;
- fmt.i_height =
- fmt.i_visible_height = p_fmt_src->i_height;
- fmt.i_x_offset =
+ fmt.i_visible_width = fmt.i_width;
+ fmt.i_visible_height = fmt.i_height;
+ fmt.i_x_offset = 0;
fmt.i_y_offset = 0;
-
if( b_fmt_src || b_fmt_dst )
{
- ass_set_frame_size( p_ass->p_renderer, fmt.i_width, fmt.i_height );
-#if defined( LIBASS_VERSION ) && LIBASS_VERSION >= 0x00907000
- ass_set_aspect_ratio( p_ass->p_renderer, 1.0, 1.0 ); // TODO ?
-#else
- ass_set_aspect_ratio( p_ass->p_renderer, 1.0 ); // TODO ?
-#endif
- p_ass->fmt = fmt;
+ ass_set_frame_size( p_sys->p_renderer, fmt.i_width, fmt.i_height );
+ const double src_ratio = (double)p_fmt_src->i_width / p_fmt_src->i_height;
+ const double dst_ratio = (double)p_fmt_dst->i_width / p_fmt_dst->i_height;
+ ass_set_aspect_ratio( p_sys->p_renderer, dst_ratio / src_ratio, 1 );
+ p_sys->fmt = fmt;
}
/* */
const mtime_t i_stream_date = p_subpic->updater.p_sys->i_pts + (i_ts - p_subpic->i_start);
int i_changed;
- ASS_Image *p_img = ass_render_frame( p_ass->p_renderer, p_sys->p_track,
+ ASS_Image *p_img = ass_render_frame( p_sys->p_renderer, p_sys->p_track,
i_stream_date/1000, &i_changed );
if( !i_changed && !b_fmt_src && !b_fmt_dst &&
(p_img != NULL) == (p_subpic->p_region != NULL) )
{
- vlc_mutex_unlock( &libass_lock );
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
p_subpic->updater.p_sys->p_img = p_img;
VLC_UNUSED( p_fmt_src ); VLC_UNUSED( p_fmt_dst ); VLC_UNUSED( i_ts );
decoder_sys_t *p_sys = p_subpic->updater.p_sys->p_dec_sys;
- ass_handle_t *p_ass = p_sys->p_ass;
- video_format_t fmt = p_ass->fmt;
+ video_format_t fmt = p_sys->fmt;
ASS_Image *p_img = p_subpic->updater.p_sys->p_img;
- //vlc_assert_locked( &libass_lock );
/* */
p_subpic->i_original_picture_height = fmt.i_height;
if( i_region <= 0 )
{
- vlc_mutex_unlock( &libass_lock );
+ vlc_mutex_unlock( &p_sys->lock );
return;
}
/* Allocate the regions and draw them */
- subpicture_region_t *pp_region[i_max_region];
subpicture_region_t **pp_region_last = &p_subpic->p_region;
for( int i = 0; i < i_region; i++ )
fmt_region.i_height =
fmt_region.i_visible_height = region[i].y1 - region[i].y0;
- pp_region[i] = r = subpicture_region_New( &fmt_region );
+ r = subpicture_region_New( &fmt_region );
if( !r )
break;
r->i_x = region[i].x0;
*pp_region_last = r;
pp_region_last = &r->p_next;
}
- vlc_mutex_unlock( &libass_lock );
+ vlc_mutex_unlock( &p_sys->lock );
}
static void SubpictureDestroy( subpicture_t *p_subpic )
#endif
}
-/* */
-static ass_handle_t *AssHandleHold( decoder_t *p_dec )
-{
- vlc_mutex_lock( &libass_lock );
-
- ass_handle_t *p_ass = NULL;
- ASS_Library *p_library = NULL;
- ASS_Renderer *p_renderer = NULL;
- vlc_value_t val;
-
- var_Create( p_dec->p_libvlc, "libass-handle", VLC_VAR_ADDRESS );
- if( var_Get( p_dec->p_libvlc, "libass-handle", &val ) )
- val.p_address = NULL;
-
- if( val.p_address )
- {
- p_ass = val.p_address;
-
- p_ass->i_refcount++;
-
- vlc_mutex_unlock( &libass_lock );
- return p_ass;
- }
-
- /* */
- p_ass = malloc( sizeof(*p_ass) );
- if( !p_ass )
- goto error;
-
- /* */
- p_ass->p_libvlc = VLC_OBJECT(p_dec->p_libvlc);
- p_ass->i_refcount = 1;
-
- /* Create libass library */
- p_ass->p_library = p_library = ass_library_init();
- if( !p_library )
- goto error;
-
- /* load attachments */
- input_attachment_t **pp_attachments;
- int i_attachments;
-
- if( decoder_GetInputAttachments( p_dec, &pp_attachments, &i_attachments ))
- {
- i_attachments = 0;
- pp_attachments = NULL;
- }
- for( int k = 0; k < i_attachments; k++ )
- {
- input_attachment_t *p_attach = pp_attachments[k];
-
- if( !strcasecmp( p_attach->psz_mime, "application/x-truetype-font" ) )
- {
- msg_Dbg( p_dec, "adding embedded font %s", p_attach->psz_name );
-
- ass_add_font( p_ass->p_library, p_attach->psz_name, p_attach->p_data, p_attach->i_data );
- }
- vlc_input_attachment_Delete( p_attach );
- }
- free( pp_attachments );
-
- ass_set_extract_fonts( p_library, true );
- ass_set_style_overrides( p_library, NULL );
-
- /* Create the renderer */
- p_ass->p_renderer = p_renderer = ass_renderer_init( p_library );
- if( !p_renderer )
- goto error;
-
- ass_set_use_margins( p_renderer, false);
- //if( false )
- // ass_set_margins( p_renderer, int t, int b, int l, int r);
- ass_set_hinting( p_renderer, ASS_HINTING_LIGHT );
- ass_set_font_scale( p_renderer, 1.0 );
- ass_set_line_spacing( p_renderer, 0.0 );
-
- const char *psz_font = NULL; /* We don't ship a default font with VLC */
- const char *psz_family = "Arial"; /* Use Arial if we can't find anything more suitable */
-
-#ifdef HAVE_FONTCONFIG
-#if defined(WIN32)
- dialog_progress_bar_t *p_dialog = dialog_ProgressCreate( p_dec,
- _("Building font cache"),
- _( "Please wait while your font cache is rebuilt.\n"
- "This should take less than a minute." ), NULL );
- if( p_dialog )
- dialog_ProgressSet( p_dialog, NULL, 0.2 );
-#endif
-#if defined( LIBASS_VERSION ) && LIBASS_VERSION >= 0x00907000
- ass_set_fonts( p_renderer, psz_font, psz_family, true, NULL, 1 ); // setup default font/family
-#else
- ass_set_fonts( p_renderer, psz_font, psz_family ); // setup default font/family
-#endif
-#ifdef WIN32
- if( p_dialog )
- {
- dialog_ProgressSet( p_dialog, NULL, 1.0 );
- dialog_ProgressDestroy( p_dialog );
- p_dialog = NULL;
- }
-#endif
-#else
- /* FIXME you HAVE to give him a font if no fontconfig */
-#if defined( LIBASS_VERSION ) && LIBASS_VERSION >= 0x00907000
- ass_set_fonts( p_renderer, psz_font, psz_family, false, NULL, 1 );
-#else
- ass_set_fonts_nofc( p_renderer, psz_font, psz_family );
-#endif
-#endif
- memset( &p_ass->fmt, 0, sizeof(p_ass->fmt) );
-
- /* */
- val.p_address = p_ass;
- var_Set( p_dec->p_libvlc, "libass-handle", val );
-
- /* */
- vlc_mutex_unlock( &libass_lock );
- return p_ass;
-
-error:
- if( p_renderer )
- ass_renderer_done( p_renderer );
- if( p_library )
- ass_library_done( p_library );
-
- msg_Warn( p_dec, "Libass creation failed" );
-
- free( p_ass );
- vlc_mutex_unlock( &libass_lock );
- return NULL;
-}
-static void AssHandleRelease( ass_handle_t *p_ass )
-{
- vlc_mutex_lock( &libass_lock );
- p_ass->i_refcount--;
- if( p_ass->i_refcount > 0 )
- {
- vlc_mutex_unlock( &libass_lock );
- return;
- }
-
- ass_renderer_done( p_ass->p_renderer );
- ass_library_done( p_ass->p_library );
-
- vlc_value_t val;
- val.p_address = NULL;
- var_Set( p_ass->p_libvlc, "libass-handle", val );
-
- vlc_mutex_unlock( &libass_lock );
- free( p_ass );
-}
projects / vlc / blobdiff