Commit 5b2cc57a authored by Laurent Aimar's avatar Laurent Aimar

* mms/* : better stream selection and add some options to override it.

(Usefull with demuxdump).
parent 1ebdbd04
......@@ -2,9 +2,9 @@
* asf.h: MMS access plug-in
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: asf.h,v 1.1 2002/11/12 00:54:40 fenrir Exp $
* $Id: asf.h,v 1.2 2002/11/13 20:28:13 fenrir Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Authors: 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
......
......@@ -2,7 +2,7 @@
* mms.c: MMS access plug-in
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: mms.c,v 1.2 2002/11/12 13:57:12 sam Exp $
* $Id: mms.c,v 1.3 2002/11/13 20:28:13 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -116,6 +116,16 @@ static void mms_ParseURL( url_t *p_url, char *psz_url );
vlc_module_begin();
set_description( _("MMS access module") );
set_capability( "access", 0 );
add_category_hint( "stream", NULL );
add_bool( "mms-all", 0, NULL,
"force selection of all streams",
"force selection of all streams" );
add_string( "mms-stream", NULL, NULL,
"streams selection",
"force this stream selection" );
add_integer( "mms-maxbitrate", 0, NULL,
"max bitrate",
"set max bitrate for auto streams selections" );
add_shortcut( "mms" );
add_shortcut( "mmsu" );
add_shortcut( "mmst" );
......@@ -527,6 +537,140 @@ static void asf_HeaderParse( mms_stream_t stream[128],
}
}
static void mms_StreamSelect( input_thread_t * p_input,
mms_stream_t stream[128] )
{
/* XXX FIXME use mututal eclusion information */
int i;
int i_audio, i_video;
int i_bitrate_total;
int i_bitrate_max;
char *psz_stream;
i_audio = 0;
i_video = 0;
i_bitrate_total = 0;
i_bitrate_max = config_GetInt( p_input, "mms-maxbitrate" );
if( config_GetInt( p_input, "mms-all" ) )
{
/* select all valid stream */
for( i = 1; i < 128; i++ )
{
if( stream[i].i_cat != MMS_STREAM_UNKNOWN )
{
stream[i].i_selected = 1;
}
}
return;
}
else
{
for( i = 0; i < 128; i++ )
{
stream[i].i_selected = 0; /* by default, not selected */
}
}
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 );
for( i = 1; i < 128; i++ )
{
if( stream[i].i_cat == MMS_STREAM_UNKNOWN )
{
continue;
}
else if( stream[i].i_cat == MMS_STREAM_AUDIO && i_audio <= 0 )
{
stream[i].i_selected = 1;
if( stream[i].i_bitrate> 0 )
{
i_bitrate_total += stream[i].i_bitrate;
}
i_audio = i;
}
else if( stream[i].i_cat == MMS_STREAM_VIDEO && i_video <= 0 )
{
stream[i].i_selected = 1;
if( stream[i].i_bitrate> 0 )
{
i_bitrate_total += stream[i].i_bitrate;
}
i_video = i;
}
else if( i_bitrate_max > 0 )
{
int i_index;
// select this stream if it's bitrate is lower or upper
if( stream[i].i_cat == MMS_STREAM_AUDIO )
{
i_index = i_audio;
}
else
{
i_index = i_video;
}
#define MMS_SELECT_XCHG( i1, i2 ) \
stream[i1].i_selected = 0; \
i_bitrate_total -= stream[i1].i_bitrate; \
stream[i2].i_selected = 1; \
i_bitrate_total += stream[i2].i_bitrate
if( stream[i].i_bitrate > 0 )
{
if( stream[i].i_bitrate < stream[i_index].i_bitrate &&
i_bitrate_total >= i_bitrate_max )
{
MMS_SELECT_XCHG( i_index, i );
}
else if( stream[i].i_bitrate > stream[i_index].i_bitrate &&
i_bitrate_total < i_bitrate_max )
{
MMS_SELECT_XCHG( i, i_index );
}
}
if( stream[i].i_cat == MMS_STREAM_AUDIO )
{
i_audio = i;
}
else
{
i_video = i;
}
}
}
}
/****************************************************************************
* MMSOpen : Open a connection with the server over mmst or mmsu(not yet)
****************************************************************************/
......@@ -551,8 +695,6 @@ static int MMSOpen( input_thread_t *p_input,
int i;
int i_streams;
int i_first;
int b_audio;
int b_video;
/* *** Open a TCP connection with server *** */
......@@ -808,57 +950,49 @@ static int MMSOpen( input_thread_t *p_input,
// and bitrate mutual exclusion(optional)
asf_HeaderParse( p_access->stream,
p_access->p_header, p_access->i_header );
mms_StreamSelect( p_input, p_access->stream );
/* *** now select stream we want to receive *** */
// TODO take care of stream bitrate TODO
i_streams = 0;
i_first = -1;
var_buffer_reinitwrite( &buffer, 0 );
/* for now, select first audio and video stream */
b_audio = 0;
b_video = 0;
for( i = 1; i < 128; i++ )
{
if( ( p_access->stream[i].i_cat == MMS_STREAM_AUDIO && !b_audio )||
( p_access->stream[i].i_cat == MMS_STREAM_VIDEO && !b_video ) )
if( p_access->stream[i].i_cat != MMS_STREAM_UNKNOWN )
{
i_streams++;
if( i_first == -1 )
{
i_first = i;
var_buffer_add16( &buffer, 0x0000 ); // on
}
else
if( i_first != -1 )
{
var_buffer_add16( &buffer, 0xffff );
var_buffer_add16( &buffer, i );
var_buffer_add16( &buffer, 0x0000 );
}
msg_Info( p_input,
"selecting stream[0x%x] %s (%d kb/s)",
i,
( p_access->stream[i].i_cat == MMS_STREAM_AUDIO ) ?
"audio" : "video" ,
p_access->stream[i].i_bitrate / 1024);
if( p_access->stream[i].i_cat == MMS_STREAM_AUDIO )
else
{
b_audio = 1;
i_first = i;
}
if( p_access->stream[i].i_cat == MMS_STREAM_VIDEO )
if( p_access->stream[i].i_selected )
{
b_video = 1;
var_buffer_add16( &buffer, 0x0000 );
msg_Info( p_input,
"selecting stream[0x%x] %s (%d kb/s)",
i,
( p_access->stream[i].i_cat == MMS_STREAM_AUDIO ) ?
"audio" : "video" ,
p_access->stream[i].i_bitrate / 1024);
}
else
{
var_buffer_add16( &buffer, 0x0002 );
msg_Info( p_input,
"ignoring stream[0x%x] %s (%d kb/s)",
i,
( p_access->stream[i].i_cat == MMS_STREAM_AUDIO ) ?
"audio" : "video" ,
p_access->stream[i].i_bitrate / 1024);
}
else if( p_access->stream[i].i_cat != MMS_STREAM_UNKNOWN )
{
msg_Info( p_input,
"ignoring stream[0x%x] %s (%d kb/s)",
i,
( p_access->stream[i].i_cat == MMS_STREAM_AUDIO ) ?
"audio" : "video" ,
p_access->stream[i].i_bitrate / 1024);
}
}
}
......
......@@ -2,9 +2,9 @@
* mms.h: MMS access plug-in
*****************************************************************************
* Copyright (C) 2001, 2002 VideoLAN
* $Id: mms.h,v 1.2 2002/11/12 13:57:13 sam Exp $
* $Id: mms.h,v 1.3 2002/11/13 20:28:13 fenrir Exp $
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
* Authors: 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
......@@ -57,7 +57,7 @@ typedef struct mms_stream_s
int i_id; // 1 -> 127
int i_cat; // MMS_STREAM_VIDEO, MMS_STREAM_AUDIO
int i_bitrate; // -1 if unknown
// int i_selected;
int i_selected;
} mms_stream_t;
......
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