/*****************************************************************************
* svcdsub.c : Overlay Graphics Text (SVCD subtitles) decoder
*****************************************************************************
- * Copyright (C) 2003, 2004 the VideoLAN team
+ * Copyright (C) 2003, 2004 VLC authors and VideoLAN
* $Id$
*
* Authors: Rocky Bernstein
* Julio Sanchez Fernandez (http://subhandler.sourceforge.net)
* Laurent Aimar <fenrir@via.ecp.fr>
*
- * 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 <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_codec.h>
-#include <vlc_osd.h>
-#include "vlc_bits.h"
+#include <vlc_bits.h>
/*****************************************************************************
* Module descriptor.
static int PacketizerOpen( vlc_object_t * );
static void DecoderClose ( vlc_object_t * );
-#define DEBUG_TEXT N_("Enable debug")
+vlc_module_begin ()
+ set_description( N_("Philips OGT (SVCD subtitle) decoder") )
+ set_shortname( N_("SVCD subtitles") )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_SCODEC )
+ set_capability( "decoder", 50 )
+ set_callbacks( DecoderOpen, DecoderClose )
-#define DEBUG_LONGTEXT \
- N_("This integer when viewed in binary is a debugging mask\n" \
- "calls 1\n" \
- "packet assembly info 2\n" )
+ add_obsolete_integer ( MODULE_STRING "-debug" )
-vlc_module_begin();
- set_description( N_("Philips OGT (SVCD subtitle) decoder") );
- set_shortname( N_("SVCD subtitles") );
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_SCODEC );
- set_capability( "decoder", 50 );
- set_callbacks( DecoderOpen, DecoderClose );
-
- add_integer ( MODULE_STRING "-debug", 0, NULL,
- DEBUG_TEXT, DEBUG_LONGTEXT, true );
-
- add_submodule();
- set_description( N_("Philips OGT (SVCD subtitle) packetizer") );
- set_capability( "packetizer", 50 );
- set_callbacks( PacketizerOpen, DecoderClose );
-vlc_module_end();
+ add_submodule ()
+ set_description( N_("Philips OGT (SVCD subtitle) packetizer") )
+ set_capability( "packetizer", 50 )
+ set_callbacks( PacketizerOpen, DecoderClose )
+vlc_module_end ()
/*****************************************************************************
* Local prototypes
static subpicture_t *DecodePacket( decoder_t *, block_t * );
static void SVCDSubRenderImage( decoder_t *, block_t *, subpicture_region_t * );
-#define DECODE_DBG_CALL 1 /* calls */
-#define DECODE_DBG_PACKET 2 /* packet assembly info */
-
#define GETINT16(p) ( (p[0] << 8) + p[1] ) ; p +=2;
#define GETINT32(p) ( (p[0] << 24) + (p[1] << 16) + \
SUBTITLE_BLOCK_COMPLETE = 2
} packet_state_t;
-#ifndef DECODE_DEBUG
-#define DECODE_DEBUG 1
-#endif
-#if DECODE_DEBUG
-#define dbg_print(mask, s, args...) \
- if (p_sys && p_sys->i_debug & mask) \
+#ifndef NDEBUG
+# define dbg_print( s, args...) \
msg_Dbg(p_dec, "%s: "s, __func__ , ##args)
#else
-#define dbg_print(mask, s, args...)
+# define dbg_print( s, args...)
#endif
struct decoder_sys_t
{
- int i_debug; /* debugging mask */
-
packet_state_t i_state; /* data-gathering state for this subtitle */
block_t *p_spu; /* Bytes of the packet. */
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys;
- if( p_dec->fmt_in.i_codec != VLC_FOURCC( 'o','g','t',' ' ) )
- {
+ if( p_dec->fmt_in.i_codec != VLC_CODEC_OGT )
return VLC_EGENERIC;
- }
p_dec->p_sys = p_sys = calloc( 1, sizeof( decoder_sys_t ) );
if( p_sys == NULL )
return VLC_ENOMEM;
- p_sys->i_debug = config_GetInt( p_this, MODULE_STRING "-debug" );
- p_sys->i_image = -1;
+ p_sys->i_image = -1;
p_sys->i_state = SUBTITLE_BLOCK_EMPTY;
p_sys->p_spu = NULL;
- es_format_Init( &p_dec->fmt_out, SPU_ES, VLC_FOURCC( 'o','g','t',' ' ) );
+ es_format_Init( &p_dec->fmt_out, SPU_ES, VLC_CODEC_OGT );
p_dec->pf_decode_sub = Decode;
p_dec->pf_packetize = Packetize;
- dbg_print( (DECODE_DBG_CALL) , "");
return VLC_SUCCESS;
}
static subpicture_t *Decode( decoder_t *p_dec, block_t **pp_block )
{
block_t *p_block, *p_spu;
- decoder_sys_t *p_sys = p_dec->p_sys;
- dbg_print( (DECODE_DBG_CALL) , "");
+ dbg_print( "" );
if( pp_block == NULL || *pp_block == NULL ) return NULL;
uint16_t i_expected_image;
uint8_t i_packet, i_expected_packet;
+ if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
+ {
+ block_Release( p_block );
+ return NULL;
+ }
+
if( p_block->i_buffer < SPU_HEADER_LEN )
{
msg_Dbg( p_dec, "invalid packet header (size %zu < %u)" ,
p_buffer = p_block->p_buffer;
- /* Attach to our input thread and see if subtitle is selected. */
- {
- vlc_object_t * p_input;
- vlc_value_t val;
-
- p_input = vlc_object_find( p_dec, VLC_OBJECT_INPUT, FIND_PARENT );
-
- if( !p_input ) return NULL;
-
- if( var_Get( p_input, "sub-track", &val ) )
- {
- vlc_object_release( p_input );
- return NULL;
- }
-
- vlc_object_release( p_input );
- dbg_print( (DECODE_DBG_PACKET),
- "val.i_int %x p_buffer[i] %x", val.i_int, p_buffer[1]);
-
- /* The dummy ES that the menu selection uses has an 0x70 at
- the head which we need to strip off. */
- if( val.i_int == -1 || (val.i_int & 0x03) != p_buffer[1] )
- {
- dbg_print( DECODE_DBG_PACKET, "subtitle not for us.\n");
- return NULL;
- }
- }
-
if( p_sys->i_state == SUBTITLE_BLOCK_EMPTY )
{
i_expected_image = p_sys->i_image + 1;
i_expected_packet = p_sys->i_packet + 1;
}
+ /* The dummy ES that the menu selection uses has an 0x70 at
+ the head which we need to strip off. */
p_buffer += 2;
if( *p_buffer & 0x80 )
p_spu->i_buffer, p_sys->i_spu_size );
}
- dbg_print( (DECODE_DBG_PACKET),
- "subtitle packet complete, size=%zu", p_spu->i_buffer );
+ dbg_print( "subtitle packet complete, size=%zu", p_spu->i_buffer );
p_sys->i_state = SUBTITLE_BLOCK_EMPTY;
p_sys->p_spu = 0;
p_sys->i_image_length = p_sys->i_spu_size - p_sys->i_image_offset;
p_sys->metadata_length = p_sys->i_image_offset;
- if( p_sys->i_debug & DECODE_DBG_PACKET )
- {
- msg_Dbg( p_dec, "x-start: %d, y-start: %d, width: %d, height %d, "
- "spu size: %zu, duration: %"PRIu64" (d:%zu p:%"PRIu16")",
- p_sys->i_x_start, p_sys->i_y_start,
- p_sys->i_width, p_sys->i_height,
- p_sys->i_spu_size, p_sys->i_duration,
- p_sys->i_image_length, p_sys->i_image_offset);
-
- for( i = 0; i < 4; i++ )
- {
- msg_Dbg( p_dec, "palette[%d]= T: %2x, Y: %2x, u: %2x, v: %2x", i,
- p_sys->p_palette[i][3], p_sys->p_palette[i][0],
- p_sys->p_palette[i][1], p_sys->p_palette[i][2] );
- }
- }
+#ifndef NDEBUG
+ msg_Dbg( p_dec, "x-start: %d, y-start: %d, width: %d, height %d, "
+ "spu size: %zu, duration: %"PRIu64" (d:%zu p:%"PRIu16")",
+ p_sys->i_x_start, p_sys->i_y_start,
+ p_sys->i_width, p_sys->i_height,
+ p_sys->i_spu_size, p_sys->i_duration,
+ p_sys->i_image_length, p_sys->i_image_offset);
+
+ for( i = 0; i < 4; i++ )
+ {
+ msg_Dbg( p_dec, "palette[%d]= T: %2x, Y: %2x, u: %2x, v: %2x", i,
+ p_sys->p_palette[i][3], p_sys->p_palette[i][0],
+ p_sys->p_palette[i][1], p_sys->p_palette[i][2] );
+ }
+#endif
}
/*****************************************************************************
int i;
/* Allocate the subpicture internal data. */
- p_spu = decoder_NewSubpicture( p_dec );
+ p_spu = decoder_NewSubpicture( p_dec, NULL );
if( !p_spu ) return NULL;
p_spu->i_start = p_data->i_pts;
/* Create new subtitle region */
memset( &fmt, 0, sizeof(video_format_t) );
- fmt.i_chroma = VLC_FOURCC('Y','U','V','P');
+ fmt.i_chroma = VLC_CODEC_YUVP;
/**
The video on which the subtitle sits, is scaled, probably
Two candidates are the video and the other possibility would be
the access module.
*/
- fmt.i_aspect = VOUT_ASPECT_FACTOR;
+ fmt.i_sar_num = p_sys->i_height;
+ fmt.i_sar_den = p_sys->i_width;
fmt.i_width = fmt.i_visible_width = p_sys->i_width;
fmt.i_height = fmt.i_visible_height = p_sys->i_height;