/*****************************************************************************
* ogg.c : ogg stream demux module for vlc
*****************************************************************************
- * Copyright (C) 2001-2003 the VideoLAN team
+ * Copyright (C) 2001-2007 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
* 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 <vlc/vlc.h>
-#include <vlc/input.h>
+#include <vlc_input.h>
+#include <vlc_demux.h>
#include <ogg/ogg.h>
-#include "codecs.h"
-#include "vlc_bits.h"
+#include <vlc_codecs.h>
+#include <vlc_bits.h>
/*****************************************************************************
* Module descriptor
static void Close( vlc_object_t * );
vlc_module_begin();
- set_description( _("Ogg stream demuxer" ) );
+ set_shortname ( "OGG" );
+ set_description( _("OGG demuxer" ) );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_DEMUX );
set_capability( "demux2", 50 );
static int Open( vlc_object_t * p_this )
{
demux_t *p_demux = (demux_t *)p_this;
+ input_thread_t *p_input;
demux_sys_t *p_sys;
- uint8_t *p_peek;
+ const uint8_t *p_peek;
/* Check if we are dealing with an ogg stream */
/* Begnning of stream, tell the demux to look for elementary streams. */
p_sys->i_eos = 0;
+
+ p_input = (input_thread_t *)vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
+ if( p_input && p_input->b_preparsing )
+ {
+ module_t *p_meta = module_Need( p_demux, "meta reader", NULL, 0 );
+ if( p_meta )
+ {
+ vlc_meta_Merge( input_GetItem(p_input)->p_meta, (vlc_meta_t*)(p_demux->p_private ) );
+ module_Unneed( p_demux, p_meta );
+ }
+ vlc_object_release( p_input );
+ return VLC_SUCCESS;
+ }
+ if( p_input )
+ vlc_object_release( p_input );
+
/* Initialize the Ogg physical bitstream parser */
ogg_sync_init( &p_sys->oy );
case VLC_FOURCC( 'v','o','r','b' ):
case VLC_FOURCC( 's','p','x',' ' ):
case VLC_FOURCC( 't','h','e','o' ):
- if( p_stream->i_packets_backup == 3 ) p_stream->b_force_backup = 0;
- break;
+ if( p_stream->i_packets_backup == 3 ) p_stream->b_force_backup = 0;
+ break;
case VLC_FOURCC( 'f','l','a','c' ):
- if( !p_stream->fmt.audio.i_rate && p_stream->i_packets_backup == 2 )
- {
- Ogg_ReadFlacHeader( p_demux, p_stream, p_oggpacket );
- p_stream->b_force_backup = 0;
- }
- else if( p_stream->fmt.audio.i_rate )
- {
- p_stream->b_force_backup = 0;
- p_oggpacket->packet += 9; p_oggpacket->bytes -= 9;
- }
- b_store_size = VLC_FALSE;
- break;
+ if( !p_stream->fmt.audio.i_rate && p_stream->i_packets_backup == 2 )
+ {
+ Ogg_ReadFlacHeader( p_demux, p_stream, p_oggpacket );
+ p_stream->b_force_backup = 0;
+ }
+ else if( p_stream->fmt.audio.i_rate )
+ {
+ p_stream->b_force_backup = 0;
+ if( p_oggpacket->bytes >= 9 )
+ {
+ p_oggpacket->packet += 9;
+ p_oggpacket->bytes -= 9;
+ }
+ }
+ b_store_size = VLC_FALSE;
+ break;
default:
- p_stream->b_force_backup = 0;
- break;
+ p_stream->b_force_backup = 0;
+ break;
}
/* Backup the ogg packet (likely an header packet) */
return;
}
+ if( p_oggpacket->bytes <= 0 )
+ return;
+
if( !( p_block = block_New( p_demux, p_oggpacket->bytes ) ) ) return;
/* Normalize PTS */
{
/* But with subtitles we need to retrieve the duration first */
int i, lenbytes = 0;
-
+
if( i_header_len > 0 && p_oggpacket->bytes >= i_header_len + 1 )
{
for( i = 0, lenbytes = 0; i < i_header_len; i++ )
}
i_header_len++;
- p_block->i_buffer -= i_header_len;
+ if( p_block->i_buffer >= i_header_len )
+ p_block->i_buffer -= i_header_len;
+ else
+ p_block->i_buffer = 0;
}
if( p_stream->fmt.i_codec == VLC_FOURCC( 't','a','r','k' ) )
logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
- if( ! memcmp( &p_oggpacket->packet[0], "Annodex", 7 ) )
+ if( p_oggpacket->bytes >= 28 &&
+ !memcmp( &p_oggpacket->packet[0], "Annodex", 7 ) )
{
oggpack_buffer opb;
timebase_numerator = GetQWLE( &p_oggpacket->packet[16] );
timebase_denominator = GetQWLE( &p_oggpacket->packet[24] );
}
- else if( ! memcmp( &p_oggpacket->packet[0], "AnxData", 7 ) )
+ else if( p_oggpacket->bytes >= 42 &&
+ !memcmp( &p_oggpacket->packet[0], "AnxData", 7 ) )
{
uint64_t granule_rate_numerator;
uint64_t granule_rate_denominator;
/* we are guaranteed that the first header field will be
* the content-type (by the Annodex standard) */
- if( !strncasecmp( &p_oggpacket->packet[28], "Content-Type: ", 14 ) )
+ content_type_string[0] = '\0';
+ if( !strncasecmp( (char*)(&p_oggpacket->packet[28]), "Content-Type: ", 14 ) )
{
- sscanf( &p_oggpacket->packet[42], "%1024s\r\n",
- content_type_string );
+ uint8_t *p = memchr( &p_oggpacket->packet[42], '\r',
+ p_oggpacket->bytes - 1 );
+ if( p && p[0] == '\r' && p[1] == '\n' )
+ sscanf( (char*)(&p_oggpacket->packet[42]), "%1024s\r\n",
+ content_type_string );
}
msg_Dbg( p_this, "AnxData packet info: "I64Fd" / "I64Fd", %d, ``%s''",
projects / vlc / blobdiff