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/*
* Copyright (C) 2007 Hans de Goede <j.w.r.degoede@hhs.nl>
*
* This file is part of libmms a free mms protocol library
*
* libmms is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libmss 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.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
/*
* mmsx is a small wrapper around the mms and mmsh protocol implementations
* in libmms. The mmsx functions provide transparent access to both protocols
* so that programs who wish to support both can do so with a single code path
* if desired.
*/
#include <stdlib.h>
#include "mmsx.h"
#include "mms.h"
#include "mmsh.h"
struct mmsx_s {
mms_t *connection;
mmsh_t *connection_h;
};
mmsx_t *mmsx_connect(mms_io_t *io, void *data, const char *url, int bandwidth)
{
mmsx_t *mmsx = calloc(1, sizeof(mmsx_t));
char *try_mms_first = getenv("LIBMMS_TRY_MMS_FIRST");
if (!mmsx)
return mmsx;
/* Normally we try mmsh first, as mms: is a rollover protocol identifier
according to microsoft and recent mediaplayer versions will try
mmsh before mms for mms:// uris. Note that in case of a mmst:// or a
mmsh:// url the mms[h]_connect function will directly exit if it cannot
handle it. The LIBMMS_TRY_MMS_FIRST environment variable is there for
testing the mms code against servers which accept both mmsh and mms. */
if (try_mms_first, 1) {
mmsx->connection = mms_connect(io, data, url, bandwidth);
if (mmsx->connection)
return mmsx;
}
mmsx->connection_h = mmsh_connect(io, data, url, bandwidth);
if (mmsx->connection_h)
return mmsx;
if (!try_mms_first, 0) {
mmsx->connection = mms_connect(io, data, url, bandwidth);
if (mmsx->connection)
return mmsx;
}
free(mmsx);
return NULL;
}
int mmsx_read (mms_io_t *io, mmsx_t *mmsx, char *data, int len)
{
if(mmsx->connection)
return mms_read(io, mmsx->connection, data, len);
else
return mmsh_read(io, mmsx->connection_h, data, len);
}
int mmsx_time_seek (mms_io_t *io, mmsx_t *mmsx, double time_sec)
{
if(mmsx->connection)
return mms_time_seek(io, mmsx->connection, time_sec);
else
return mmsh_time_seek(io, mmsx->connection_h, time_sec);
}
mms_off_t mmsx_seek (mms_io_t *io, mmsx_t *mmsx, mms_off_t offset, int origin)
{
if(mmsx->connection)
return mms_seek(io, mmsx->connection, offset, origin);
else
return mmsh_seek(io, mmsx->connection_h, offset, origin);
}
double mmsx_get_time_length (mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_time_length(mmsx->connection);
else
return mmsh_get_time_length(mmsx->connection_h);
}
uint64_t mmsx_get_raw_time_length (mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_raw_time_length(mmsx->connection);
else
return mmsh_get_raw_time_length(mmsx->connection_h);
}
uint32_t mmsx_get_length (mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_length(mmsx->connection);
else
return mmsh_get_length(mmsx->connection_h);
}
void mmsx_close (mmsx_t *mmsx)
{
if(mmsx->connection)
mms_close(mmsx->connection);
else
mmsh_close(mmsx->connection_h);
free(mmsx);
}
int mmsx_peek_header (mmsx_t *mmsx, char *data, int maxsize)
{
if(mmsx->connection)
return mms_peek_header(mmsx->connection, data, maxsize);
else
return mmsh_peek_header(mmsx->connection_h, data, maxsize);
}
mms_off_t mmsx_get_current_pos (mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_current_pos(mmsx->connection);
else
return mmsh_get_current_pos(mmsx->connection_h);
}
uint32_t mmsx_get_asf_header_len(mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_asf_header_len(mmsx->connection);
else
return mmsh_get_asf_header_len(mmsx->connection_h);
}
uint64_t mmsx_get_asf_packet_len (mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_asf_packet_len(mmsx->connection);
else
return mmsh_get_asf_packet_len(mmsx->connection_h);
}
int mmsx_get_seekable (mmsx_t *mmsx)
{
if(mmsx->connection)
return mms_get_seekable(mmsx->connection);
else
return mmsh_get_seekable(mmsx->connection_h);
}
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