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) */
+ content_type_string[0] = '\0';
if( !strncasecmp( &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( &p_oggpacket->packet[42], "%1024s\r\n",
+ content_type_string );
}
msg_Dbg( p_this, "AnxData packet info: "I64Fd" / "I64Fd", %d, ``%s''",