/*****************************************************************************
* asf.c: MMS access plug-in
*****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: asf.c,v 1.1 2003/04/20 19:29:43 fenrir Exp $
+ * Copyright (C) 2001-2004 the VideoLAN team
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
*
* 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.
*****************************************************************************/
-#include <stdlib.h>
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_rand.h>
#include "asf.h"
#include "buffer.h"
-
static int CmpGuid( const guid_t *p_guid1, const guid_t *p_guid2 )
{
return( ( p_guid1->v1 == p_guid2->v1 &&
p_guid1->v4[7] == p_guid2->v4[7] ) ? 1 : 0 );
}
-void E_( GenerateGuid )( guid_t *p_guid )
+void GenerateGuid ( guid_t *p_guid )
{
- int i;
-
- srand( mdate() & 0xffffffff );
-
- /* FIXME should be generated using random data */
p_guid->v1 = 0xbabac001;
- p_guid->v2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
- p_guid->v3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
- for( i = 0; i < 8; i++ )
- {
- p_guid->v4[i] = ( (uint64_t)rand() * 256 ) / RAND_MAX;
- }
+ vlc_rand_bytes(&p_guid->v2, sizeof(p_guid->v2));
+ vlc_rand_bytes(&p_guid->v3, sizeof(p_guid->v3));
+ vlc_rand_bytes(p_guid->v4, sizeof(p_guid->v4));
}
-void E_( asf_HeaderParse ) ( asf_header_t *hdr,
- uint8_t *p_header, int i_header )
+void asf_HeaderParse ( asf_header_t *hdr,
+ uint8_t *p_header, int i_header )
{
var_buffer_t buffer;
guid_t guid;
uint64_t i_size;
int i;
+ hdr->i_file_size = 0;
+ hdr->i_data_packets_count = 0;
+ hdr->i_min_data_packet_size = 0;
for( i = 0; i < 128; i++ )
{
hdr->stream[i].i_cat = ASF_STREAM_UNKNOWN;
+ hdr->stream[i].i_selected = 0;
+ hdr->stream[i].i_bitrate = -1;
}
- //fprintf( stderr, " ---------------------header:%d\n", i_header );
var_buffer_initread( &buffer, p_header, i_header );
-
var_buffer_getguid( &buffer, &guid );
if( !CmpGuid( &guid, &asf_object_header_guid ) )
{
-// XXX Error
-// fprintf( stderr, " ---------------------ERROR------\n" );
+ /* ERROR: */
}
var_buffer_getmemory( &buffer, NULL, 30 - 16 );
for( ;; )
{
- //fprintf( stderr, " ---------------------data:%d\n", buffer.i_data );
-
var_buffer_getguid( &buffer, &guid );
i_size = var_buffer_get64( &buffer );
- //fprintf( stderr, " guid=0x%8.8x-0x%4.4x-0x%4.4x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x size=%lld\n",
- // guid.v1,guid.v2, guid.v3,
- // guid.v4[0],guid.v4[1],guid.v4[2],guid.v4[3],
- // guid.v4[4],guid.v4[5],guid.v4[6],guid.v4[7],
- // i_size );
-
if( CmpGuid( &guid, &asf_object_file_properties_guid ) )
{
var_buffer_getmemory( &buffer, NULL, 16 );
var_buffer_getmemory( &buffer, NULL, i_size - 24 - 16 - 8 - 8 - 8 - 8-8-8-4 - 4);
}
+ else if( CmpGuid( &guid, &asf_object_header_extension_guid ) )
+ {
+ /* Enter it */
+ var_buffer_getmemory( &buffer, NULL, 46 - 24 );
+ }
+ else if( CmpGuid( &guid, &asf_object_extended_stream_properties_guid ) )
+ {
+ /* Grrrrrr */
+ int16_t i_count1, i_count2;
+ int i_subsize;
+ int i;
+
+ var_buffer_getmemory( &buffer, NULL, 84 - 24 );
+
+ i_count1 = var_buffer_get16( &buffer );
+ i_count2 = var_buffer_get16( &buffer );
+
+ i_subsize = 88;
+ for( i = 0; i < i_count1; i++ )
+ {
+ int i_len;
+
+ var_buffer_get16( &buffer );
+ i_len = var_buffer_get16( &buffer );
+ var_buffer_getmemory( &buffer, NULL, i_len );
+
+ i_subsize = 4 + i_len;
+ }
+
+ for( i = 0; i < i_count2; i++ )
+ {
+ int i_len;
+ var_buffer_getmemory( &buffer, NULL, 16 + 2 );
+ i_len = var_buffer_get32( &buffer );
+ var_buffer_getmemory( &buffer, NULL, i_len );
+
+ i_subsize += 16 + 6 + i_len;
+ }
+
+ if( i_size - i_subsize <= 24 )
+ {
+ var_buffer_getmemory( &buffer, NULL, i_size - i_subsize );
+ }
+ /* It's a hack we just skip the first part of the object until
+ * the embed stream properties if any (ugly, but whose fault ?) */
+ }
else if( CmpGuid( &guid, &asf_object_stream_properties_guid ) )
{
int i_stream_id;
guid_t stream_type;
- //msg_Dbg( p_input, "found stream_properties" );
var_buffer_getguid( &buffer, &stream_type );
var_buffer_getmemory( &buffer, NULL, 32 );
- i_stream_id = var_buffer_get8( &buffer ) & 0x7f;
- //fprintf( stderr, " 1---------------------skip:%lld\n", i_size - 24 - 32 - 16 - 1 );
+ i_stream_id = var_buffer_get8( &buffer ) & 0x7f;
var_buffer_getmemory( &buffer, NULL, i_size - 24 - 32 - 16 - 1);
if( CmpGuid( &stream_type, &asf_object_stream_type_video ) )
{
- //fprintf( stderr, "\nvideo stream[%d] found\n", i_stream_id );
- //msg_Dbg( p_input, "video stream[%d] found", i_stream_id );
hdr->stream[i_stream_id].i_cat = ASF_STREAM_VIDEO;
}
else if( CmpGuid( &stream_type, &asf_object_stream_type_audio ) )
{
- //fprintf( stderr, "\naudio stream[%d] found\n", i_stream_id );
- //msg_Dbg( p_input, "audio stream[%d] found", i_stream_id );
hdr->stream[i_stream_id].i_cat = ASF_STREAM_AUDIO;
}
else
{
-// msg_Dbg( p_input, "unknown stream[%d] found", i_stream_id );
hdr->stream[i_stream_id].i_cat = ASF_STREAM_UNKNOWN;
}
}
i_count--;
i_size -= 6;
}
- //fprintf( stderr, " 2---------------------skip:%lld\n", i_size - 24);
var_buffer_getmemory( &buffer, NULL, i_size - 24 );
}
else
{
- //fprintf( stderr, " 3---------------------skip:%lld\n", i_size - 24);
// skip unknown guid
var_buffer_getmemory( &buffer, NULL, i_size - 24 );
}
if( var_buffer_readempty( &buffer ) )
- {
return;
- }
}
}
-void E_( asf_StreamSelect ) ( asf_header_t *hdr,
+void asf_StreamSelect ( asf_header_t *hdr,
int i_bitrate_max,
- vlc_bool_t b_all, vlc_bool_t b_audio, vlc_bool_t b_video )
+ bool b_all, bool b_audio, bool b_video )
{
/* XXX FIXME use mututal eclusion information */
int i;
int i_audio, i_video;
int i_bitrate_total;
+#if 0
char *psz_stream;
+#endif
i_audio = 0;
i_video = 0;
{
for( i = 0; i < 128; i++ )
{
- hdr->stream[i].i_selected = 0; /* by default, not selected */
+ /* by default, not selected */
+ hdr->stream[i].i_selected = 0;
}
}
-#if 0
- psz_stream = config_GetPsz( p_input, "mms-stream" );
-
- if( psz_stream && *psz_stream )
- {
- char *psz_tmp = psz_stream;
- while( *psz_tmp )
- {
- if( *psz_tmp == ',' )
- {
- psz_tmp++;
- }
- else
- {
- int i_stream;
- i_stream = atoi( psz_tmp );
- while( *psz_tmp != '\0' && *psz_tmp != ',' )
- {
- psz_tmp++;
- }
-
- if( i_stream > 0 && i_stream < 128 &&
- stream[i_stream].i_cat != MMS_STREAM_UNKNOWN )
- {
- stream[i_stream].i_selected = 1;
- }
- }
- }
- FREE( psz_stream );
- return;
- }
- FREE( psz_stream );
-#endif
-
/* big test:
* select a stream if
* - no audio nor video stream
) ) ) )
{
/* unselect old stream */
-
if( i_video > 0 )
{
hdr->stream[i_video].i_selected = 0;
}
}
-#if 0
- if( i_bitrate_max > 0 )
- {
- msg_Dbg( p_input,
- "requested bitrate:%d real bitrate:%d",
- i_bitrate_max, i_bitrate_total );
- }
- else
- {
- msg_Dbg( p_input,
- "total bitrate:%d",
- i_bitrate_total );
- }
-#endif
}
-
projects / vlc / blobdiff