VLC_ADD_PLUGINS([realaudio])
fi
+dnl
+dnl Real RTSP plugin
+dnl
+AC_ARG_ENABLE(realrtsp,
+ [ --enable-realrtsp Real RTSP module (default disabled)])
+if test "${enable_realrtsp}" = "yes"; then
+ VLC_ADD_PLUGINS([access_realrtsp])
+fi
+
dnl
dnl MP4 module
dnl
modules/access/pvr/Makefile
modules/access/v4l/Makefile
modules/access/cdda/Makefile
+ modules/access/rtsp/Makefile
modules/access/vcd/Makefile
modules/access/vcdx/Makefile
modules/access/screen/Makefile
--- /dev/null
+SOURCES_access_realrtsp = \
+ access.c \
+ rtsp.c \
+ rtsp.h \
+ real.c \
+ real.h \
+ real_rmff.c \
+ real_rmff.h \
+ real_sdpplin.c \
+ real_sdpplin.h \
+ real_asmrp.c \
+ real_asmrp.h \
+ $(NULL)
--- /dev/null
+/*****************************************************************************
+ * access.c: Real rtsp input
+ *****************************************************************************
+ * Copyright (C) 2005 VideoLAN
+ * $Id: file.c 10310 2005-03-11 22:36:40Z anil $
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.org>
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 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.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+#include "network.h"
+#include "rtsp.h"
+#include "real.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+#define CACHING_TEXT N_("Caching value (ms)")
+#define CACHING_LONGTEXT N_( \
+ "Allows you to modify the default caching value for RTSP streams. This " \
+ "value should be set in millisecond units." )
+
+vlc_module_begin();
+ set_description( _("Standard filesystem file input") );
+ set_shortname( _("Real RTSP") );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_ACCESS );
+ add_integer( "realrtsp-caching", 3000, NULL,
+ CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
+ set_capability( "access2", 10 );
+ set_callbacks( Open, Close );
+ add_shortcut( "realrtsp" );
+ add_shortcut( "rtsp" );
+vlc_module_end();
+
+
+/*****************************************************************************
+ * Exported prototypes
+ *****************************************************************************/
+static block_t *BlockRead( access_t * );
+static int Seek( access_t *, int64_t );
+static int Control( access_t *, int, va_list );
+
+struct access_sys_t
+{
+ vlc_bool_t b_seekable;
+ vlc_bool_t b_pace_control;
+
+ rtsp_client_t *p_rtsp;
+
+ int fd;
+
+ block_t *p_header;
+};
+
+/*****************************************************************************
+ * Network wrappers
+ *****************************************************************************/
+static int RtspConnect( void *p_userdata, char *psz_server, int i_port )
+{
+ access_t *p_access = (access_t *)p_userdata;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ /* Open connection */
+ p_sys->fd = net_OpenTCP( p_access, psz_server, i_port );
+ if( p_sys->fd < 0 )
+ {
+ msg_Err( p_access, "cannot connect to %s:%d", psz_server, i_port );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int RtspDisconnect( void *p_userdata )
+{
+ access_t *p_access = (access_t *)p_userdata;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ net_Close( p_sys->fd );
+ return VLC_SUCCESS;
+}
+
+static int RtspRead( void *p_userdata, uint8_t *p_buffer, int i_buffer )
+{
+ access_t *p_access = (access_t *)p_userdata;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ return net_Read( p_access, p_sys->fd, 0, p_buffer, i_buffer, VLC_TRUE );
+}
+
+static int RtspReadLine( void *p_userdata, uint8_t *p_buffer, int i_buffer )
+{
+ access_t *p_access = (access_t *)p_userdata;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, 0 );
+
+ //fprintf(stderr, "ReadLine: %s\n", psz);
+
+ if( psz ) strncpy( (char *)p_buffer, psz, i_buffer );
+ else *p_buffer = 0;
+
+ if( psz ) free( psz );
+ return 0;
+}
+
+static int RtspWrite( void *p_userdata, uint8_t *p_buffer, int i_buffer )
+{
+ access_t *p_access = (access_t *)p_userdata;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ //fprintf(stderr, "Write: %s", p_buffer);
+
+ net_Printf( VLC_OBJECT(p_access), p_sys->fd, 0, "%s", p_buffer );
+
+ return 0;
+}
+
+/*****************************************************************************
+ * Open: open the rtsp connection
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ access_t *p_access = (access_t *)p_this;
+ access_sys_t *p_sys;
+ char *psz_server = 0;
+ int i_result;
+
+ if( !p_access->b_force ) return VLC_EGENERIC;
+
+ p_access->pf_read = NULL;
+ p_access->pf_block = BlockRead;
+ p_access->pf_seek = Seek;
+ p_access->pf_control = Control;
+ p_access->info.i_update = 0;
+ p_access->info.i_size = 0;
+ p_access->info.i_pos = 0;
+ p_access->info.b_eof = VLC_FALSE;
+ p_access->info.i_title = 0;
+ p_access->info.i_seekpoint = 0;
+ p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
+ p_sys->p_rtsp = malloc( sizeof( rtsp_client_t) );
+
+ p_sys->p_header = 0;
+ p_sys->p_rtsp->p_userdata = p_access;
+ p_sys->p_rtsp->pf_connect = RtspConnect;
+ p_sys->p_rtsp->pf_disconnect = RtspDisconnect;
+ p_sys->p_rtsp->pf_read = RtspRead;
+ p_sys->p_rtsp->pf_read_line = RtspReadLine;
+ p_sys->p_rtsp->pf_write = RtspWrite;
+
+ i_result = rtsp_connect( p_sys->p_rtsp, p_access->psz_path, 0 );
+ if( i_result )
+ {
+ msg_Dbg( p_access, "could not connect to: %s", p_access->psz_path );
+ free( p_sys->p_rtsp );
+ p_sys->p_rtsp = 0;
+ goto error;
+ }
+
+ msg_Dbg( p_access, "rtsp connected" );
+
+ /* looking for server type */
+ if( rtsp_search_answers( p_sys->p_rtsp, "Server" ) )
+ psz_server = strdup( rtsp_search_answers( p_sys->p_rtsp, "Server" ) );
+ else
+ {
+ if( rtsp_search_answers( p_sys->p_rtsp, "RealChallenge1" ) )
+ psz_server = strdup("Real");
+ else
+ psz_server = strdup("unknown");
+ }
+
+ if( strstr( psz_server, "Real" ) || strstr( psz_server, "Helix" ) )
+ {
+ uint32_t bandwidth = 10485800;
+ rmff_header_t *h;
+
+ msg_Dbg( p_access, "found a real/helix rtsp server" );
+
+ if( !(h = real_setup_and_get_header( p_sys->p_rtsp, bandwidth )) )
+ {
+ /* Check if we got a redirect */
+ if( rtsp_search_answers( p_sys->p_rtsp, "Location" ) )
+ {
+ msg_Dbg( p_access, "redirect: %s",
+ rtsp_search_answers(p_sys->p_rtsp, "Location") );
+ msg_Warn( p_access, "redirect not supported" );
+ goto error;
+ }
+
+
+ msg_Err( p_access, "rtsp session can not be established" );
+ goto error;
+ }
+
+ p_sys->p_header = block_New( p_access, 4096 );
+ p_sys->p_header->i_buffer =
+ rmff_dump_header( h, p_sys->p_header->p_buffer, 1024 );
+ }
+ else
+ {
+ msg_Dbg( p_access, "only real/helix rtsp servers supported for now" );
+ goto error;
+ }
+
+ /* Update default_pts to a suitable value for file access */
+ var_Create( p_access, "realrtsp-caching",
+ VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
+
+ return VLC_SUCCESS;
+
+ error:
+ if( psz_server ) free( psz_server );
+ Close( p_this );
+ return VLC_EGENERIC;
+}
+
+/*****************************************************************************
+ * Close: close the target
+ *****************************************************************************/
+static void Close( vlc_object_t * p_this )
+{
+ access_t *p_access = (access_t*)p_this;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ if( p_sys->p_rtsp ) rtsp_close( p_sys->p_rtsp );
+ if( p_sys->p_rtsp ) free( p_sys->p_rtsp );
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * Read: standard read on a file descriptor.
+ *****************************************************************************/
+static block_t *BlockRead( access_t *p_access )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ block_t *p_block;
+
+ if( p_sys->p_header )
+ {
+ p_block = p_sys->p_header;
+ p_sys->p_header = 0;
+ return p_block;
+ }
+
+ p_block = block_New( p_access, 4096 );
+ p_block->i_buffer = real_get_rdt_chunk( p_access->p_sys->p_rtsp,
+ &p_block->p_buffer );
+
+ return p_block;
+}
+
+/*****************************************************************************
+ * Seek: seek to a specific location in a file
+ *****************************************************************************/
+static int Seek( access_t *p_access, int64_t i_pos )
+{
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( access_t *p_access, int i_query, va_list args )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ vlc_bool_t *pb_bool;
+ int *pi_int;
+ int64_t *pi_64;
+
+ switch( i_query )
+ {
+ /* */
+ case ACCESS_CAN_SEEK:
+ case ACCESS_CAN_FASTSEEK:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = VLC_FALSE;//p_sys->b_seekable;
+ break;
+
+ case ACCESS_CAN_PAUSE:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = VLC_FALSE;
+ break;
+
+ case ACCESS_CAN_CONTROL_PACE:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = VLC_TRUE;//p_sys->b_pace_control;
+ break;
+
+ /* */
+ case ACCESS_GET_MTU:
+ pi_int = (int*)va_arg( args, int * );
+ *pi_int = 0;
+ break;
+
+ case ACCESS_GET_PTS_DELAY:
+ pi_64 = (int64_t*)va_arg( args, int64_t * );
+ *pi_64 = var_GetInteger( p_access, "realrtsp-caching" ) * 1000;
+ break;
+
+ /* */
+ case ACCESS_SET_PAUSE_STATE:
+ /* Nothing to do */
+ break;
+
+ case ACCESS_GET_TITLE_INFO:
+ case ACCESS_SET_TITLE:
+ case ACCESS_SET_SEEKPOINT:
+ case ACCESS_SET_PRIVATE_ID_STATE:
+ case ACCESS_GET_META:
+ return VLC_EGENERIC;
+
+ default:
+ msg_Warn( p_access, "unimplemented query in control" );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
--- /dev/null
+/*****************************************************************************
+ * real.c: real rtsp input
+ *****************************************************************************
+ * Copyright (C) 2002-2004 the xine project
+ * Copyright (C) 2005 VideoLAN
+ * $Id: file.c 10310 2005-03-11 22:36:40Z anil $
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.org>
+ * Adapted from xine which itself adapted it from joschkas real tools.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 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.
+ *****************************************************************************/
+#include <stdio.h>
+#include <string.h>
+
+#include <vlc/vlc.h>
+
+#include "rtsp.h"
+#include "real.h"
+#include "real_sdpplin.h"
+
+const unsigned char xor_table[] = {
+ 0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
+ 0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,
+ 0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09,
+ 0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02,
+ 0x10, 0x57, 0x05, 0x18, 0x54, 0x00, 0x00, 0x00 };
+
+#define BE_32(x) GetDWBE(x)
+#define LE_32(x) GetDWLE(x)
+#define BE_16(x) GetWBE(x)
+#define LE_16(x) GetWLE(x)
+#define BE_32C(x,y) do {uint32_t in=y; *(uint32_t *)(x)=GetDWBE(&in);} while(0)
+#define LE_32C(x,y) do {uint32_t in=y; *(uint32_t *)(x)=GetDWLE(&in);} while(0)
+#define MAX(x,y) ((x>y) ? x : y)
+
+
+static void hash(char *field, char *param) {
+
+ uint32_t a, b, c, d;
+
+
+ /* fill variables */
+ a = LE_32(field);
+ b = LE_32(field+4);
+ c = LE_32(field+8);
+ d = LE_32(field+12);
+
+ lprintf("hash input: %x %x %x %x\n", a, b, c, d);
+ lprintf("hash parameter:\n");
+
+ a = ((b & c) | (~b & d)) + LE_32((param+0x00)) + a - 0x28955B88;
+ a = ((a << 0x07) | (a >> 0x19)) + b;
+ d = ((a & b) | (~a & c)) + LE_32((param+0x04)) + d - 0x173848AA;
+ d = ((d << 0x0c) | (d >> 0x14)) + a;
+ c = ((d & a) | (~d & b)) + LE_32((param+0x08)) + c + 0x242070DB;
+ c = ((c << 0x11) | (c >> 0x0f)) + d;
+ b = ((c & d) | (~c & a)) + LE_32((param+0x0c)) + b - 0x3E423112;
+ b = ((b << 0x16) | (b >> 0x0a)) + c;
+ a = ((b & c) | (~b & d)) + LE_32((param+0x10)) + a - 0x0A83F051;
+ a = ((a << 0x07) | (a >> 0x19)) + b;
+ d = ((a & b) | (~a & c)) + LE_32((param+0x14)) + d + 0x4787C62A;
+ d = ((d << 0x0c) | (d >> 0x14)) + a;
+ c = ((d & a) | (~d & b)) + LE_32((param+0x18)) + c - 0x57CFB9ED;
+ c = ((c << 0x11) | (c >> 0x0f)) + d;
+ b = ((c & d) | (~c & a)) + LE_32((param+0x1c)) + b - 0x02B96AFF;
+ b = ((b << 0x16) | (b >> 0x0a)) + c;
+ a = ((b & c) | (~b & d)) + LE_32((param+0x20)) + a + 0x698098D8;
+ a = ((a << 0x07) | (a >> 0x19)) + b;
+ d = ((a & b) | (~a & c)) + LE_32((param+0x24)) + d - 0x74BB0851;
+ d = ((d << 0x0c) | (d >> 0x14)) + a;
+ c = ((d & a) | (~d & b)) + LE_32((param+0x28)) + c - 0x0000A44F;
+ c = ((c << 0x11) | (c >> 0x0f)) + d;
+ b = ((c & d) | (~c & a)) + LE_32((param+0x2C)) + b - 0x76A32842;
+ b = ((b << 0x16) | (b >> 0x0a)) + c;
+ a = ((b & c) | (~b & d)) + LE_32((param+0x30)) + a + 0x6B901122;
+ a = ((a << 0x07) | (a >> 0x19)) + b;
+ d = ((a & b) | (~a & c)) + LE_32((param+0x34)) + d - 0x02678E6D;
+ d = ((d << 0x0c) | (d >> 0x14)) + a;
+ c = ((d & a) | (~d & b)) + LE_32((param+0x38)) + c - 0x5986BC72;
+ c = ((c << 0x11) | (c >> 0x0f)) + d;
+ b = ((c & d) | (~c & a)) + LE_32((param+0x3c)) + b + 0x49B40821;
+ b = ((b << 0x16) | (b >> 0x0a)) + c;
+
+ a = ((b & d) | (~d & c)) + LE_32((param+0x04)) + a - 0x09E1DA9E;
+ a = ((a << 0x05) | (a >> 0x1b)) + b;
+ d = ((a & c) | (~c & b)) + LE_32((param+0x18)) + d - 0x3FBF4CC0;
+ d = ((d << 0x09) | (d >> 0x17)) + a;
+ c = ((d & b) | (~b & a)) + LE_32((param+0x2c)) + c + 0x265E5A51;
+ c = ((c << 0x0e) | (c >> 0x12)) + d;
+ b = ((c & a) | (~a & d)) + LE_32((param+0x00)) + b - 0x16493856;
+ b = ((b << 0x14) | (b >> 0x0c)) + c;
+ a = ((b & d) | (~d & c)) + LE_32((param+0x14)) + a - 0x29D0EFA3;
+ a = ((a << 0x05) | (a >> 0x1b)) + b;
+ d = ((a & c) | (~c & b)) + LE_32((param+0x28)) + d + 0x02441453;
+ d = ((d << 0x09) | (d >> 0x17)) + a;
+ c = ((d & b) | (~b & a)) + LE_32((param+0x3c)) + c - 0x275E197F;
+ c = ((c << 0x0e) | (c >> 0x12)) + d;
+ b = ((c & a) | (~a & d)) + LE_32((param+0x10)) + b - 0x182C0438;
+ b = ((b << 0x14) | (b >> 0x0c)) + c;
+ a = ((b & d) | (~d & c)) + LE_32((param+0x24)) + a + 0x21E1CDE6;
+ a = ((a << 0x05) | (a >> 0x1b)) + b;
+ d = ((a & c) | (~c & b)) + LE_32((param+0x38)) + d - 0x3CC8F82A;
+ d = ((d << 0x09) | (d >> 0x17)) + a;
+ c = ((d & b) | (~b & a)) + LE_32((param+0x0c)) + c - 0x0B2AF279;
+ c = ((c << 0x0e) | (c >> 0x12)) + d;
+ b = ((c & a) | (~a & d)) + LE_32((param+0x20)) + b + 0x455A14ED;
+ b = ((b << 0x14) | (b >> 0x0c)) + c;
+ a = ((b & d) | (~d & c)) + LE_32((param+0x34)) + a - 0x561C16FB;
+ a = ((a << 0x05) | (a >> 0x1b)) + b;
+ d = ((a & c) | (~c & b)) + LE_32((param+0x08)) + d - 0x03105C08;
+ d = ((d << 0x09) | (d >> 0x17)) + a;
+ c = ((d & b) | (~b & a)) + LE_32((param+0x1c)) + c + 0x676F02D9;
+ c = ((c << 0x0e) | (c >> 0x12)) + d;
+ b = ((c & a) | (~a & d)) + LE_32((param+0x30)) + b - 0x72D5B376;
+ b = ((b << 0x14) | (b >> 0x0c)) + c;
+
+ a = (b ^ c ^ d) + LE_32((param+0x14)) + a - 0x0005C6BE;
+ a = ((a << 0x04) | (a >> 0x1c)) + b;
+ d = (a ^ b ^ c) + LE_32((param+0x20)) + d - 0x788E097F;
+ d = ((d << 0x0b) | (d >> 0x15)) + a;
+ c = (d ^ a ^ b) + LE_32((param+0x2c)) + c + 0x6D9D6122;
+ c = ((c << 0x10) | (c >> 0x10)) + d;
+ b = (c ^ d ^ a) + LE_32((param+0x38)) + b - 0x021AC7F4;
+ b = ((b << 0x17) | (b >> 0x09)) + c;
+ a = (b ^ c ^ d) + LE_32((param+0x04)) + a - 0x5B4115BC;
+ a = ((a << 0x04) | (a >> 0x1c)) + b;
+ d = (a ^ b ^ c) + LE_32((param+0x10)) + d + 0x4BDECFA9;
+ d = ((d << 0x0b) | (d >> 0x15)) + a;
+ c = (d ^ a ^ b) + LE_32((param+0x1c)) + c - 0x0944B4A0;
+ c = ((c << 0x10) | (c >> 0x10)) + d;
+ b = (c ^ d ^ a) + LE_32((param+0x28)) + b - 0x41404390;
+ b = ((b << 0x17) | (b >> 0x09)) + c;
+ a = (b ^ c ^ d) + LE_32((param+0x34)) + a + 0x289B7EC6;
+ a = ((a << 0x04) | (a >> 0x1c)) + b;
+ d = (a ^ b ^ c) + LE_32((param+0x00)) + d - 0x155ED806;
+ d = ((d << 0x0b) | (d >> 0x15)) + a;
+ c = (d ^ a ^ b) + LE_32((param+0x0c)) + c - 0x2B10CF7B;
+ c = ((c << 0x10) | (c >> 0x10)) + d;
+ b = (c ^ d ^ a) + LE_32((param+0x18)) + b + 0x04881D05;
+ b = ((b << 0x17) | (b >> 0x09)) + c;
+ a = (b ^ c ^ d) + LE_32((param+0x24)) + a - 0x262B2FC7;
+ a = ((a << 0x04) | (a >> 0x1c)) + b;
+ d = (a ^ b ^ c) + LE_32((param+0x30)) + d - 0x1924661B;
+ d = ((d << 0x0b) | (d >> 0x15)) + a;
+ c = (d ^ a ^ b) + LE_32((param+0x3c)) + c + 0x1fa27cf8;
+ c = ((c << 0x10) | (c >> 0x10)) + d;
+ b = (c ^ d ^ a) + LE_32((param+0x08)) + b - 0x3B53A99B;
+ b = ((b << 0x17) | (b >> 0x09)) + c;
+
+ a = ((~d | b) ^ c) + LE_32((param+0x00)) + a - 0x0BD6DDBC;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
+ d = ((~c | a) ^ b) + LE_32((param+0x1c)) + d + 0x432AFF97;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
+ c = ((~b | d) ^ a) + LE_32((param+0x38)) + c - 0x546BDC59;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
+ b = ((~a | c) ^ d) + LE_32((param+0x14)) + b - 0x036C5FC7;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
+ a = ((~d | b) ^ c) + LE_32((param+0x30)) + a + 0x655B59C3;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
+ d = ((~c | a) ^ b) + LE_32((param+0x0C)) + d - 0x70F3336E;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
+ c = ((~b | d) ^ a) + LE_32((param+0x28)) + c - 0x00100B83;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
+ b = ((~a | c) ^ d) + LE_32((param+0x04)) + b - 0x7A7BA22F;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
+ a = ((~d | b) ^ c) + LE_32((param+0x20)) + a + 0x6FA87E4F;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
+ d = ((~c | a) ^ b) + LE_32((param+0x3c)) + d - 0x01D31920;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
+ c = ((~b | d) ^ a) + LE_32((param+0x18)) + c - 0x5CFEBCEC;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
+ b = ((~a | c) ^ d) + LE_32((param+0x34)) + b + 0x4E0811A1;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
+ a = ((~d | b) ^ c) + LE_32((param+0x10)) + a - 0x08AC817E;
+ a = ((a << 0x06) | (a >> 0x1a)) + b;
+ d = ((~c | a) ^ b) + LE_32((param+0x2c)) + d - 0x42C50DCB;
+ d = ((d << 0x0a) | (d >> 0x16)) + a;
+ c = ((~b | d) ^ a) + LE_32((param+0x08)) + c + 0x2AD7D2BB;
+ c = ((c << 0x0f) | (c >> 0x11)) + d;
+ b = ((~a | c) ^ d) + LE_32((param+0x24)) + b - 0x14792C6F;
+ b = ((b << 0x15) | (b >> 0x0b)) + c;
+
+ lprintf("hash output: %x %x %x %x\n", a, b, c, d);
+
+ a += LE_32(field);
+ b += LE_32(field+4);
+ c += LE_32(field+8);
+ d += LE_32(field+12);
+
+ LE_32C(field, a);
+ LE_32C(field+4, b);
+ LE_32C(field+8, c);
+ LE_32C(field+12, d);
+}
+
+static void call_hash (char *key, char *challenge, int len) {
+
+ uint8_t *ptr1, *ptr2;
+ uint32_t a, b, c, d, tmp;
+
+ ptr1=(key+16);
+ ptr2=(key+20);
+
+ a = LE_32(ptr1);
+ b = (a >> 3) & 0x3f;
+ a += len * 8;
+ LE_32C(ptr1, a);
+
+ if (a < (len << 3))
+ {
+ lprintf("not verified: (len << 3) > a true\n");
+ ptr2 += 4;
+ }
+
+ tmp = LE_32(ptr2) + (len >> 0x1d);
+ LE_32C(ptr2, tmp);
+ a = 64 - b;
+ c = 0;
+ if (a <= len)
+ {
+
+ memcpy(key+b+24, challenge, a);
+ hash(key, key+24);
+ c = a;
+ d = c + 0x3f;
+
+ while ( d < len ) {
+ lprintf("not verified: while ( d < len )\n");
+ hash(key, challenge+d-0x3f);
+ d += 64;
+ c += 64;
+ }
+ b = 0;
+ }
+
+ memcpy(key+b+24, challenge+c, len-c);
+}
+
+static void calc_response (char *result, char *field) {
+
+ char buf1[128];
+ char buf2[128];
+ int i;
+
+ memset (buf1, 0, 64);
+ *buf1 = 128;
+
+ memcpy (buf2, field+16, 8);
+
+ i = ( LE_32((buf2)) >> 3 ) & 0x3f;
+
+ if (i < 56) {
+ i = 56 - i;
+ } else {
+ lprintf("not verified: ! (i < 56)\n");
+ i = 120 - i;
+ }
+
+ call_hash (field, buf1, i);
+ call_hash (field, buf2, 8);
+
+ memcpy (result, field, 16);
+
+}
+
+
+static void calc_response_string (char *result, char *challenge) {
+
+ char field[128];
+ char zres[20];
+ int i;
+
+ /* initialize our field */
+ BE_32C (field, 0x01234567);
+ BE_32C ((field+4), 0x89ABCDEF);
+ BE_32C ((field+8), 0xFEDCBA98);
+ BE_32C ((field+12), 0x76543210);
+ BE_32C ((field+16), 0x00000000);
+ BE_32C ((field+20), 0x00000000);
+
+ /* calculate response */
+ call_hash(field, challenge, 64);
+ calc_response(zres,field);
+
+ /* convert zres to ascii string */
+ for (i=0; i<16; i++ ) {
+ char a, b;
+
+ a = (zres[i] >> 4) & 15;
+ b = zres[i] & 15;
+
+ result[i*2] = ((a<10) ? (a+48) : (a+87)) & 255;
+ result[i*2+1] = ((b<10) ? (b+48) : (b+87)) & 255;
+ }
+}
+
+void real_calc_response_and_checksum (char *response, char *chksum, char *challenge) {
+
+ int ch_len, table_len, resp_len;
+ int i;
+ char *ptr;
+ char buf[128];
+
+ /* initialize return values */
+ memset(response, 0, 64);
+ memset(chksum, 0, 34);
+
+ /* initialize buffer */
+ memset(buf, 0, 128);
+ ptr=buf;
+ BE_32C(ptr, 0xa1e9149d);
+ ptr+=4;
+ BE_32C(ptr, 0x0e6b3b59);
+ ptr+=4;
+
+ /* some (length) checks */
+ if (challenge != NULL)
+ {
+ ch_len = strlen (challenge);
+
+ if (ch_len == 40) /* what a hack... */
+ {
+ challenge[32]=0;
+ ch_len=32;
+ }
+ if ( ch_len > 56 ) ch_len=56;
+
+ /* copy challenge to buf */
+ memcpy(ptr, challenge, ch_len);
+ }
+
+ if (xor_table != NULL)
+ {
+ table_len = strlen(xor_table);
+
+ if (table_len > 56) table_len=56;
+
+ /* xor challenge bytewise with xor_table */
+ for (i=0; i<table_len; i++)
+ ptr[i] = ptr[i] ^ xor_table[i];
+ }
+
+ calc_response_string (response, buf);
+
+ /* add tail */
+ resp_len = strlen (response);
+ strcpy (&response[resp_len], "01d0a8e3");
+
+ /* calculate checksum */
+ for (i=0; i<resp_len/4; i++)
+ chksum[i] = response[i*4];
+}
+
+
+/*
+ * takes a MLTI-Chunk and a rule number got from match_asm_rule,
+ * returns a pointer to selected data and number of bytes in that.
+ */
+
+static int select_mlti_data(const char *mlti_chunk, int mlti_size, int selection, char **out) {
+
+ int numrules, codec, size;
+ int i;
+
+ /* MLTI chunk should begin with MLTI */
+
+ if ((mlti_chunk[0] != 'M')
+ ||(mlti_chunk[1] != 'L')
+ ||(mlti_chunk[2] != 'T')
+ ||(mlti_chunk[3] != 'I'))
+ {
+ lprintf("MLTI tag not detected, copying data\n");
+ memcpy(*out, mlti_chunk, mlti_size);
+ return mlti_size;
+ }
+
+ mlti_chunk+=4;
+
+ /* next 16 bits are the number of rules */
+ numrules=BE_16(mlti_chunk);
+ if (selection >= numrules) return 0;
+
+ /* now <numrules> indices of codecs follows */
+ /* we skip to selection */
+ mlti_chunk+=(selection+1)*2;
+
+ /* get our index */
+ codec=BE_16(mlti_chunk);
+
+ /* skip to number of codecs */
+ mlti_chunk+=(numrules-selection)*2;
+
+ /* get number of codecs */
+ numrules=BE_16(mlti_chunk);
+
+ if (codec >= numrules) {
+ lprintf("codec index >= number of codecs. %i %i\n", codec, numrules);
+ return 0;
+ }
+
+ mlti_chunk+=2;
+
+ /* now seek to selected codec */
+ for (i=0; i<codec; i++) {
+ size=BE_32(mlti_chunk);
+ mlti_chunk+=size+4;
+ }
+
+ size=BE_32(mlti_chunk);
+
+ memcpy(*out, mlti_chunk+4, size);
+ return size;
+}
+
+/*
+ * looking at stream description.
+ */
+
+rmff_header_t *real_parse_sdp(char *data, char **stream_rules, uint32_t bandwidth) {
+
+ sdpplin_t *desc;
+ rmff_header_t *header;
+ char *buf;
+ int len, i;
+ int max_bit_rate=0;
+ int avg_bit_rate=0;
+ int max_packet_size=0;
+ int avg_packet_size=0;
+ int duration=0;
+
+
+ if (!data) return NULL;
+
+ desc=sdpplin_parse(data);
+
+ if (!desc) return NULL;
+
+ buf=malloc(2048);
+ header = malloc(sizeof(rmff_header_t));
+ memset(header, 0, sizeof(rmff_header_t));
+
+ header->fileheader=rmff_new_fileheader(4+desc->stream_count);
+ header->cont=rmff_new_cont(
+ desc->title,
+ desc->author,
+ desc->copyright,
+ desc->abstract);
+ header->data=rmff_new_dataheader(0,0);
+ header->streams = malloc(sizeof(rmff_mdpr_t*)*(desc->stream_count+1));
+ memset(header->streams, 0, sizeof(rmff_mdpr_t*)*(desc->stream_count+1));
+ lprintf("number of streams: %u\n", desc->stream_count);
+
+ for (i=0; i<desc->stream_count; i++) {
+
+ int j=0;
+ int n;
+ char b[64];
+ int rulematches[16];
+
+ lprintf("calling asmrp_match with:\n%s\n%u\n", desc->stream[i]->asm_rule_book, bandwidth);
+
+ n=asmrp_match(desc->stream[i]->asm_rule_book, bandwidth, rulematches);
+ for (j=0; j<n; j++) {
+ lprintf("asmrp rule match: %u for stream %u\n", rulematches[j], desc->stream[i]->stream_id);
+ sprintf(b,"stream=%u;rule=%u,", desc->stream[i]->stream_id, rulematches[j]);
+ strcat(*stream_rules, b);
+ }
+
+ if (!desc->stream[i]->mlti_data) {
+ len = 0;
+ buf = NULL;
+ }
+ else
+ len=select_mlti_data(desc->stream[i]->mlti_data, desc->stream[i]->mlti_data_size, rulematches[0], &buf);
+
+ header->streams[i]=rmff_new_mdpr(
+ desc->stream[i]->stream_id,
+ desc->stream[i]->max_bit_rate,
+ desc->stream[i]->avg_bit_rate,
+ desc->stream[i]->max_packet_size,
+ desc->stream[i]->avg_packet_size,
+ desc->stream[i]->start_time,
+ desc->stream[i]->preroll,
+ desc->stream[i]->duration,
+ desc->stream[i]->stream_name,
+ desc->stream[i]->mime_type,
+ len,
+ buf);
+
+ duration=MAX(duration,desc->stream[i]->duration);
+ max_bit_rate+=desc->stream[i]->max_bit_rate;
+ avg_bit_rate+=desc->stream[i]->avg_bit_rate;
+ max_packet_size=MAX(max_packet_size, desc->stream[i]->max_packet_size);
+ if (avg_packet_size)
+ avg_packet_size=(avg_packet_size + desc->stream[i]->avg_packet_size) / 2;
+ else
+ avg_packet_size=desc->stream[i]->avg_packet_size;
+ }
+
+ if (*stream_rules && strlen(*stream_rules) && (*stream_rules)[strlen(*stream_rules)-1] == ',')
+ (*stream_rules)[strlen(*stream_rules)-1]=0; /* delete last ',' in stream_rules */
+
+ header->prop=rmff_new_prop(
+ max_bit_rate,
+ avg_bit_rate,
+ max_packet_size,
+ avg_packet_size,
+ 0,
+ duration,
+ 0,
+ 0,
+ 0,
+ desc->stream_count,
+ desc->flags);
+
+ rmff_fix_header(header);
+ free(buf);
+
+ return header;
+}
+
+int real_get_rdt_chunk(rtsp_client_t *rtsp_session, unsigned char **buffer) {
+
+ int n=1;
+ uint8_t header[8];
+ rmff_pheader_t ph;
+ int size;
+ int flags1;
+ int unknown1;
+ uint32_t ts;
+
+ n=rtsp_read_data(rtsp_session, header, 8);
+ if (n<8) return 0;
+ if (header[0] != 0x24)
+ {
+ lprintf("rdt chunk not recognized: got 0x%02x\n", header[0]);
+ return 0;
+ }
+ size=(header[1]<<16)+(header[2]<<8)+(header[3]);
+ flags1=header[4];
+ if ((flags1!=0x40)&&(flags1!=0x42))
+ {
+ lprintf("got flags1: 0x%02x\n",flags1);
+ if (header[6]==0x06)
+ {
+ lprintf("got end of stream packet\n");
+ return 0;
+ }
+ header[0]=header[5];
+ header[1]=header[6];
+ header[2]=header[7];
+ n=rtsp_read_data(rtsp_session, header+3, 5);
+ if (n<5) return 0;
+ lprintf("ignoring bytes:\n");
+ n=rtsp_read_data(rtsp_session, header+4, 4);
+ if (n<4) return 0;
+ flags1=header[4];
+ size-=9;
+ }
+ unknown1=(header[5]<<16)+(header[6]<<8)+(header[7]);
+ n=rtsp_read_data(rtsp_session, header, 6);
+ if (n<6) return 0;
+ ts=BE_32(header);
+
+#if 0
+ lprintf("ts: %u size: %u, flags: 0x%02x, unknown values: %u 0x%02x 0x%02x\n",
+ ts, size, flags1, unknown1, header[4], header[5]);
+#endif
+
+ size+=2;
+
+ ph.object_version=0;
+ ph.length=size;
+ ph.stream_number=(flags1>>1)&1;
+ ph.timestamp=ts;
+ ph.reserved=0;
+ ph.flags=0; /* TODO: determine keyframe flag and insert here? */
+ //xine_buffer_ensure_size(*buffer, 12+size);
+ rmff_dump_pheader(&ph, *buffer);
+ size-=12;
+ n=rtsp_read_data(rtsp_session, (*buffer)+12, size);
+
+ return (n <= 0) ? 0 : n+12;
+}
+
+//! maximum size of the rtsp description, must be < INT_MAX
+#define MAX_DESC_BUF (20 * 1024 * 1024)
+rmff_header_t *real_setup_and_get_header(rtsp_client_t *rtsp_session, int bandwidth) {
+
+ char *description=NULL;
+ char *session_id=NULL;
+ rmff_header_t *h;
+ char *challenge1;
+ char challenge2[64];
+ char checksum[34];
+ char *subscribe;
+ char *buf=malloc(256);
+ char *mrl=rtsp_get_mrl(rtsp_session);
+ unsigned int size;
+ int status;
+
+ /* get challenge */
+ challenge1=strdup(rtsp_search_answers(rtsp_session,"RealChallenge1"));
+ lprintf("Challenge1: %s\n", challenge1);
+
+ /* request stream description */
+ rtsp_schedule_field(rtsp_session, "Accept: application/sdp");
+ sprintf(buf, "Bandwidth: %u", bandwidth);
+ rtsp_schedule_field(rtsp_session, buf);
+ rtsp_schedule_field(rtsp_session, "GUID: 00000000-0000-0000-0000-000000000000");
+ rtsp_schedule_field(rtsp_session, "RegionData: 0");
+ rtsp_schedule_field(rtsp_session, "ClientID: Linux_2.4_6.0.9.1235_play32_RN01_EN_586");
+ rtsp_schedule_field(rtsp_session, "SupportsMaximumASMBandwidth: 1");
+ rtsp_schedule_field(rtsp_session, "Language: en-US");
+ rtsp_schedule_field(rtsp_session, "Require: com.real.retain-entity-for-setup");
+ status=rtsp_request_describe(rtsp_session,NULL);
+
+ if ( status<200 || status>299 )
+ {
+ char *alert=rtsp_search_answers(rtsp_session,"Alert");
+ if (alert) {
+ lprintf("real: got message from server:\n%s\n", alert);
+ }
+ printf( "bou\n");
+ rtsp_send_ok(rtsp_session);
+ free(buf);
+ return NULL;
+ }
+
+ /* receive description */
+ size=0;
+ if (!rtsp_search_answers(rtsp_session,"Content-length"))
+ lprintf("real: got no Content-length!\n");
+ else
+ size=atoi(rtsp_search_answers(rtsp_session,"Content-length"));
+
+ if (size > MAX_DESC_BUF) {
+ printf("real: Content-length for description too big (> %uMB)!\n",
+ MAX_DESC_BUF/(1024*1024) );
+ free(buf);
+ return NULL;
+ }
+
+ if (!rtsp_search_answers(rtsp_session,"ETag"))
+ lprintf("real: got no ETag!\n");
+ else
+ session_id=strdup(rtsp_search_answers(rtsp_session,"ETag"));
+
+ lprintf("Stream description size: %i\n", size);
+
+ description = malloc(sizeof(char)*(size+1));
+
+ if( rtsp_read_data(rtsp_session, description, size) <= 0) {
+ free(buf);
+ return NULL;
+ }
+ description[size]=0;
+
+ fprintf(stderr,description);
+ /* parse sdp (sdpplin) and create a header and a subscribe string */
+ subscribe=malloc(256);
+ strcpy(subscribe, "Subscribe: ");
+ h=real_parse_sdp(description, &subscribe, bandwidth);
+ if (!h) {
+ free(subscribe);
+ free(buf);
+ return NULL;
+ }
+ rmff_fix_header(h);
+
+#if 0
+ fprintf("Title: %s\nCopyright: %s\nAuthor: %s\nStreams: %i\n",
+ h->cont->title, h->cont->copyright, h->cont->author, h->prop->num_streams);
+#endif
+
+ /* setup our streams */
+ real_calc_response_and_checksum (challenge2, checksum, challenge1);
+ buf = realloc(buf, strlen(challenge2) + strlen(checksum) + 32);
+ sprintf(buf, "RealChallenge2: %s, sd=%s", challenge2, checksum);
+ rtsp_schedule_field(rtsp_session, buf);
+ buf = realloc(buf, strlen(session_id) + 32);
+ sprintf(buf, "If-Match: %s", session_id);
+ rtsp_schedule_field(rtsp_session, buf);
+ rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
+ buf = realloc(buf, strlen(mrl) + 32);
+ sprintf(buf, "%s/streamid=0", mrl);
+ rtsp_request_setup(rtsp_session,buf);
+
+ if (h->prop->num_streams > 1) {
+ rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
+ buf = realloc(buf, strlen(session_id) + 32);
+ sprintf(buf, "If-Match: %s", session_id);
+ rtsp_schedule_field(rtsp_session, buf);
+
+ buf = realloc(buf, strlen(mrl) + 32);
+ sprintf(buf, "%s/streamid=1", mrl);
+ rtsp_request_setup(rtsp_session,buf);
+ }
+ /* set stream parameter (bandwidth) with our subscribe string */
+ rtsp_schedule_field(rtsp_session, subscribe);
+ rtsp_request_setparameter(rtsp_session,NULL);
+
+ /* and finally send a play request */
+ rtsp_schedule_field(rtsp_session, "Range: npt=0-");
+ rtsp_request_play(rtsp_session,NULL);
+
+ free(subscribe);
+ free(buf);
+ return h;
+}
+
--- /dev/null
+/*****************************************************************************
+ * real.c: rtsp input
+ *****************************************************************************
+ * Copyright (C) 2002-2004 the xine project
+ * Copyright (C) 2005 VideoLAN
+ * $Id: file.c 10310 2005-03-11 22:36:40Z anil $
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.org>
+ * Adapted from xine which itself adapted it from joschkas real tools.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 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.
+ *****************************************************************************/
+#ifndef HAVE_REAL_H
+#define HAVE_REAL_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+
+#include <vlc/vlc.h>
+#include "rtsp.h"
+#include "real_rmff.h"
+#include "real_sdpplin.h"
+
+#ifdef REALDEBUG
+# define lprintf printf
+#else
+ static inline void lprintf( char *dummy, ... ){}
+#endif
+
+int real_get_rdt_chunk(rtsp_client_t *, unsigned char **buffer);
+rmff_header_t *real_setup_and_get_header(rtsp_client_t *, int bandwidth);
+
+int asmrp_match(const char *rules, int bandwidth, int *matches) ;
+
+#endif
--- /dev/null
+/*
+ * Copyright (C) 2002-2004 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 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
+ *
+ * $Id: asmrp.c,v 1.8 2004/08/27 18:34:16 miguelfreitas Exp $
+ *
+ * a parser for real's asm rules
+ *
+ * grammar for these rules:
+ *
+
+ rule_book = { rule }
+ rule = ( '#' condition { ',' assignment } | [ assignment {',' assignment} ]) ';'
+ assignment = id '=' const
+ const = ( number | string )
+ condition = comp_expr { ( '&&' | '||' ) comp_expr }
+ comp_expr = operand { ( '<' | '<=' | '==' | '>=' | '>' ) operand }
+ operand = ( '$' id | num | '(' condition ')' )
+
+ */
+
+#include "real.h"
+
+#define ASMRP_SYM_NONE 0
+#define ASMRP_SYM_EOF 1
+
+#define ASMRP_SYM_NUM 2
+#define ASMRP_SYM_ID 3
+#define ASMRP_SYM_STRING 4
+
+#define ASMRP_SYM_HASH 10
+#define ASMRP_SYM_SEMICOLON 11
+#define ASMRP_SYM_COMMA 12
+#define ASMRP_SYM_EQUALS 13
+#define ASMRP_SYM_AND 14
+#define ASMRP_SYM_OR 15
+#define ASMRP_SYM_LESS 16
+#define ASMRP_SYM_LEQ 17
+#define ASMRP_SYM_GEQ 18
+#define ASMRP_SYM_GREATER 19
+#define ASMRP_SYM_DOLLAR 20
+#define ASMRP_SYM_LPAREN 21
+#define ASMRP_SYM_RPAREN 22
+
+#define ASMRP_MAX_ID 1024
+
+#define ASMRP_MAX_SYMTAB 10
+
+typedef struct {
+ char *id;
+ int v;
+} asmrp_sym_t;
+
+typedef struct {
+
+ /* public part */
+
+ int sym;
+ int num;
+
+ char str[ASMRP_MAX_ID];
+
+ /* private part */
+
+ char *buf;
+ int pos;
+ char ch;
+
+ asmrp_sym_t sym_tab[ASMRP_MAX_SYMTAB];
+ int sym_tab_num;
+
+} asmrp_t;
+
+static asmrp_t *asmrp_new () {
+
+ asmrp_t *p;
+
+ p = malloc (sizeof (asmrp_t));
+
+ p->sym_tab_num = 0;
+ p->sym = ASMRP_SYM_NONE;
+
+ return p;
+}
+
+static void asmrp_dispose (asmrp_t *p) {
+
+ int i;
+
+ for (i=0; i<p->sym_tab_num; i++)
+ free (p->sym_tab[i].id);
+
+ free (p);
+}
+
+static void asmrp_getch (asmrp_t *p) {
+ p->ch = p->buf[p->pos];
+ p->pos++;
+
+ lprintf ("%c\n", p->ch);
+
+}
+
+static void asmrp_init (asmrp_t *p, const char *str) {
+
+ p->buf = strdup (str);
+ p->pos = 0;
+
+ asmrp_getch (p);
+}
+
+static void asmrp_number (asmrp_t *p) {
+
+ int num;
+
+ num = 0;
+ while ( (p->ch>='0') && (p->ch<='9') ) {
+
+ num = num*10 + (p->ch - '0');
+
+ asmrp_getch (p);
+ }
+
+ p->sym = ASMRP_SYM_NUM;
+ p->num = num;
+}
+
+static void asmrp_string (asmrp_t *p) {
+
+ int l;
+
+ l = 0;
+
+ while ( (p->ch!='"') && (p->ch>=32) ) {
+
+ p->str[l] = p->ch;
+
+ l++;
+ asmrp_getch (p);
+ }
+ p->str[l]=0;
+
+ if (p->ch=='"')
+ asmrp_getch (p);
+
+ p->sym = ASMRP_SYM_STRING;
+}
+
+static void asmrp_identifier (asmrp_t *p) {
+
+ int l;
+
+ l = 0;
+
+ while ( ((p->ch>='A') && (p->ch<='z'))
+ || ((p->ch>='0') && (p->ch<='9'))) {
+
+ p->str[l] = p->ch;
+
+ l++;
+ asmrp_getch (p);
+ }
+ p->str[l]=0;
+
+ p->sym = ASMRP_SYM_ID;
+}
+
+#ifdef LOG
+static void asmrp_print_sym (asmrp_t *p) {
+
+ printf ("symbol: ");
+
+ switch (p->sym) {
+
+ case ASMRP_SYM_NONE:
+ printf ("NONE\n");
+ break;
+
+ case ASMRP_SYM_EOF:
+ printf ("EOF\n");
+ break;
+
+ case ASMRP_SYM_NUM:
+ printf ("NUM %d\n", p->num);
+ break;
+
+ case ASMRP_SYM_ID:
+ printf ("ID '%s'\n", p->str);
+ break;
+
+ case ASMRP_SYM_STRING:
+ printf ("STRING \"%s\"\n", p->str);
+ break;
+
+ case ASMRP_SYM_HASH:
+ printf ("#\n");
+ break;
+
+ case ASMRP_SYM_SEMICOLON:
+ printf (";\n");
+ break;
+ case ASMRP_SYM_COMMA:
+ printf (",\n");
+ break;
+ case ASMRP_SYM_EQUALS:
+ printf ("==\n");
+ break;
+ case ASMRP_SYM_AND:
+ printf ("&&\n");
+ break;
+ case ASMRP_SYM_OR:
+ printf ("||\n");
+ break;
+ case ASMRP_SYM_LESS:
+ printf ("<\n");
+ break;
+ case ASMRP_SYM_LEQ:
+ printf ("<=\n");
+ break;
+ case ASMRP_SYM_GEQ:
+ printf (">=\n");
+ break;
+ case ASMRP_SYM_GREATER:
+ printf (">\n");
+ break;
+ case ASMRP_SYM_DOLLAR:
+ printf ("$\n");
+ break;
+ case ASMRP_SYM_LPAREN:
+ printf ("(\n");
+ break;
+ case ASMRP_SYM_RPAREN:
+ printf (")\n");
+ break;
+
+ default:
+ printf ("unknown symbol %d\n", p->sym);
+ }
+}
+#endif
+
+static void asmrp_get_sym (asmrp_t *p) {
+
+ while (p->ch <= 32) {
+ if (p->ch == 0) {
+ p->sym = ASMRP_SYM_EOF;
+ return;
+ }
+
+ asmrp_getch (p);
+ }
+
+ if (p->ch == '\\')
+ asmrp_getch (p);
+
+ switch (p->ch) {
+
+ case '#':
+ p->sym = ASMRP_SYM_HASH;
+ asmrp_getch (p);
+ break;
+ case ';':
+ p->sym = ASMRP_SYM_SEMICOLON;
+ asmrp_getch (p);
+ break;
+ case ',':
+ p->sym = ASMRP_SYM_COMMA;
+ asmrp_getch (p);
+ break;
+ case '=':
+ p->sym = ASMRP_SYM_EQUALS;
+ asmrp_getch (p);
+ if (p->ch=='=')
+ asmrp_getch (p);
+ break;
+ case '&':
+ p->sym = ASMRP_SYM_AND;
+ asmrp_getch (p);
+ if (p->ch=='&')
+ asmrp_getch (p);
+ break;
+ case '|':
+ p->sym = ASMRP_SYM_OR;
+ asmrp_getch (p);
+ if (p->ch=='|')
+ asmrp_getch (p);
+ break;
+ case '<':
+ p->sym = ASMRP_SYM_LESS;
+ asmrp_getch (p);
+ if (p->ch=='=') {
+ p->sym = ASMRP_SYM_LEQ;
+ asmrp_getch (p);
+ }
+ break;
+ case '>':
+ p->sym = ASMRP_SYM_GREATER;
+ asmrp_getch (p);
+ if (p->ch=='=') {
+ p->sym = ASMRP_SYM_GEQ;
+ asmrp_getch (p);
+ }
+ break;
+ case '$':
+ p->sym = ASMRP_SYM_DOLLAR;
+ asmrp_getch (p);
+ break;
+ case '(':
+ p->sym = ASMRP_SYM_LPAREN;
+ asmrp_getch (p);
+ break;
+ case ')':
+ p->sym = ASMRP_SYM_RPAREN;
+ asmrp_getch (p);
+ break;
+
+ case '"':
+ asmrp_getch (p);
+ asmrp_string (p);
+ break;
+
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ asmrp_number (p);
+ break;
+
+ default:
+ asmrp_identifier (p);
+ }
+
+#ifdef LOG
+ asmrp_print_sym (p);
+#endif
+
+}
+
+static int asmrp_find_id (asmrp_t *p, char *s) {
+
+ int i;
+
+ for (i=0; i<p->sym_tab_num; i++) {
+ if (!strcmp (s, p->sym_tab[i].id))
+ return i;
+ }
+
+ return -1;
+}
+
+static int asmrp_set_id (asmrp_t *p, char *s, int v) {
+
+ int i;
+
+ i = asmrp_find_id (p, s);
+
+ if (i<0) {
+ i = p->sym_tab_num;
+ p->sym_tab_num++;
+ p->sym_tab[i].id = strdup (s);
+
+ lprintf ("new symbol '%s'\n", s);
+
+ }
+
+ p->sym_tab[i].v = v;
+
+ lprintf ("symbol '%s' assigned %d\n", s, v);
+
+ return i;
+}
+
+static int asmrp_condition (asmrp_t *p) ;
+
+static int asmrp_operand (asmrp_t *p) {
+
+ int i, ret;
+
+ lprintf ("operand\n");
+
+ ret = 0;
+
+ switch (p->sym) {
+
+ case ASMRP_SYM_DOLLAR:
+
+ asmrp_get_sym (p);
+
+ if (p->sym != ASMRP_SYM_ID) {
+ printf ("error: identifier expected.\n");
+ break;
+ }
+
+ i = asmrp_find_id (p, p->str);
+ if (i<0) {
+ lprintf ("error: unknown identifier %s\n", p->str);
+ }
+ ret = p->sym_tab[i].v;
+
+ asmrp_get_sym (p);
+ break;
+
+ case ASMRP_SYM_NUM:
+ ret = p->num;
+
+ asmrp_get_sym (p);
+ break;
+
+ case ASMRP_SYM_LPAREN:
+ asmrp_get_sym (p);
+
+ ret = asmrp_condition (p);
+
+ if (p->sym != ASMRP_SYM_RPAREN) {
+ printf ("error: ) expected.\n");
+ break;
+ }
+
+ asmrp_get_sym (p);
+ break;
+
+ default:
+ lprintf ("syntax error, $ number or ( expected\n");
+ break;
+ }
+
+ lprintf ("operand done, =%d\n", ret);
+
+ return ret;
+}
+
+static int asmrp_comp_expression (asmrp_t *p) {
+
+ int a;
+
+ lprintf ("comp_expression\n");
+
+ a = asmrp_operand (p);
+
+ while ( (p->sym == ASMRP_SYM_LESS)
+ || (p->sym == ASMRP_SYM_LEQ)
+ || (p->sym == ASMRP_SYM_EQUALS)
+ || (p->sym == ASMRP_SYM_GEQ)
+ || (p->sym == ASMRP_SYM_GREATER) ) {
+ int op = p->sym;
+ int b;
+
+ asmrp_get_sym (p);
+
+ b = asmrp_operand (p);
+
+ switch (op) {
+ case ASMRP_SYM_LESS:
+ a = a<b;
+ break;
+ case ASMRP_SYM_LEQ:
+ a = a<=b;
+ break;
+ case ASMRP_SYM_EQUALS:
+ a = a==b;
+ break;
+ case ASMRP_SYM_GEQ:
+ a = a>=b;
+ break;
+ case ASMRP_SYM_GREATER:
+ a = a>b;
+ break;
+ }
+
+ }
+
+ lprintf ("comp_expression done = %d\n", a);
+
+ return a;
+}
+
+static int asmrp_condition (asmrp_t *p) {
+
+ int a;
+
+ lprintf ("condition\n");
+
+ a = asmrp_comp_expression (p);
+
+ while ( (p->sym == ASMRP_SYM_AND) || (p->sym == ASMRP_SYM_OR) ) {
+ int op, b;
+
+ op = p->sym;
+
+ asmrp_get_sym (p);
+
+ b = asmrp_comp_expression (p);
+
+ switch (op) {
+ case ASMRP_SYM_AND:
+ a = a & b;
+ break;
+ case ASMRP_SYM_OR:
+ a = a | b;
+ break;
+ }
+ }
+
+ lprintf ("condition done = %d\n", a);
+
+ return a;
+}
+
+static void asmrp_assignment (asmrp_t *p) {
+
+ lprintf ("assignment\n");
+
+ if (p->sym == ASMRP_SYM_COMMA || p->sym == ASMRP_SYM_SEMICOLON) {
+ lprintf ("empty assignment\n");
+ return;
+ }
+
+ if (p->sym != ASMRP_SYM_ID) {
+ printf ("error: identifier expected\n");
+ return;
+ }
+ asmrp_get_sym (p);
+
+ if (p->sym != ASMRP_SYM_EQUALS) {
+ printf ("error: = expected\n");
+ return;
+ }
+ asmrp_get_sym (p);
+
+ if ( (p->sym != ASMRP_SYM_NUM) && (p->sym != ASMRP_SYM_STRING)
+ && (p->sym != ASMRP_SYM_ID)) {
+ printf ("error: number or string expected\n");
+ return;
+ }
+ asmrp_get_sym (p);
+
+ lprintf ("assignment done\n");
+}
+
+static int asmrp_rule (asmrp_t *p) {
+
+ int ret;
+
+ lprintf ("rule\n");
+
+ ret = 1;
+
+ if (p->sym == ASMRP_SYM_HASH) {
+
+ asmrp_get_sym (p);
+ ret = asmrp_condition (p);
+
+ while (p->sym == ASMRP_SYM_COMMA) {
+
+ asmrp_get_sym (p);
+
+ asmrp_assignment (p);
+ }
+
+ } else if (p->sym != ASMRP_SYM_SEMICOLON) {
+
+ asmrp_assignment (p);
+
+ while (p->sym == ASMRP_SYM_COMMA) {
+
+ asmrp_get_sym (p);
+ asmrp_assignment (p);
+ }
+ }
+
+ lprintf ("rule done = %d\n", ret);
+
+ if (p->sym != ASMRP_SYM_SEMICOLON) {
+ printf ("semicolon expected.\n");
+ return ret;
+ }
+
+ asmrp_get_sym (p);
+
+ return ret;
+}
+
+static int asmrp_eval (asmrp_t *p, int *matches) {
+
+ int rule_num, num_matches;
+
+ lprintf ("eval\n");
+
+ asmrp_get_sym (p);
+
+ rule_num = 0; num_matches = 0;
+ while (p->sym != ASMRP_SYM_EOF) {
+
+ if (asmrp_rule (p)) {
+ lprintf ("rule #%d is true\n", rule_num);
+
+ matches[num_matches] = rule_num;
+ num_matches++;
+ }
+
+ rule_num++;
+ }
+
+ matches[num_matches] = -1;
+ return num_matches;
+}
+
+int asmrp_match (const char *rules, int bandwidth, int *matches) {
+
+ asmrp_t *p;
+ int num_matches;
+
+ p = asmrp_new ();
+
+ asmrp_init (p, rules);
+
+ asmrp_set_id (p, "Bandwidth", bandwidth);
+ asmrp_set_id (p, "OldPNMPlayer", 0);
+
+ num_matches = asmrp_eval (p, matches);
+
+ asmrp_dispose (p);
+
+ return num_matches;
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2002-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 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
+ *
+ * $Id: rmff.c,v 1.7 2003/12/05 15:54:58 f1rmb Exp $
+ *
+ * functions for real media file format
+ * adopted from joschkas real tools
+ */
+
+#include "real.h"
+
+#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
+#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
+ (((uint8_t*)(x))[1] << 16) | \
+ (((uint8_t*)(x))[2] << 8) | \
+ ((uint8_t*)(x))[3])
+
+/*
+ * writes header data to a buffer
+ */
+
+static void rmff_dump_fileheader(rmff_fileheader_t *fileheader, char *buffer) {
+
+ if (!fileheader) return;
+ fileheader->object_id=BE_32(&fileheader->object_id);
+ fileheader->size=BE_32(&fileheader->size);
+ fileheader->object_version=BE_16(&fileheader->object_version);
+ fileheader->file_version=BE_32(&fileheader->file_version);
+ fileheader->num_headers=BE_32(&fileheader->num_headers);
+
+ memcpy(buffer, fileheader, 8);
+ memcpy(&buffer[8], &fileheader->object_version, 2);
+ memcpy(&buffer[10], &fileheader->file_version, 8);
+
+ fileheader->size=BE_32(&fileheader->size);
+ fileheader->object_version=BE_16(&fileheader->object_version);
+ fileheader->file_version=BE_32(&fileheader->file_version);
+ fileheader->num_headers=BE_32(&fileheader->num_headers);
+ fileheader->object_id=BE_32(&fileheader->object_id);
+}
+
+static void rmff_dump_prop(rmff_prop_t *prop, char *buffer) {
+
+ if (!prop) return;
+ prop->object_id=BE_32(&prop->object_id);
+ prop->size=BE_32(&prop->size);
+ prop->object_version=BE_16(&prop->object_version);
+ prop->max_bit_rate=BE_32(&prop->max_bit_rate);
+ prop->avg_bit_rate=BE_32(&prop->avg_bit_rate);
+ prop->max_packet_size=BE_32(&prop->max_packet_size);
+ prop->avg_packet_size=BE_32(&prop->avg_packet_size);
+ prop->num_packets=BE_32(&prop->num_packets);
+ prop->duration=BE_32(&prop->duration);
+ prop->preroll=BE_32(&prop->preroll);
+ prop->index_offset=BE_32(&prop->index_offset);
+ prop->data_offset=BE_32(&prop->data_offset);
+ prop->num_streams=BE_16(&prop->num_streams);
+ prop->flags=BE_16(&prop->flags);
+
+ memcpy(buffer, prop, 8);
+ memcpy(&buffer[8], &prop->object_version, 2);
+ memcpy(&buffer[10], &prop->max_bit_rate, 36);
+ memcpy(&buffer[46], &prop->num_streams, 2);
+ memcpy(&buffer[48], &prop->flags, 2);
+
+ prop->size=BE_32(&prop->size);
+ prop->object_version=BE_16(&prop->object_version);
+ prop->max_bit_rate=BE_32(&prop->max_bit_rate);
+ prop->avg_bit_rate=BE_32(&prop->avg_bit_rate);
+ prop->max_packet_size=BE_32(&prop->max_packet_size);
+ prop->avg_packet_size=BE_32(&prop->avg_packet_size);
+ prop->num_packets=BE_32(&prop->num_packets);
+ prop->duration=BE_32(&prop->duration);
+ prop->preroll=BE_32(&prop->preroll);
+ prop->index_offset=BE_32(&prop->index_offset);
+ prop->data_offset=BE_32(&prop->data_offset);
+ prop->num_streams=BE_16(&prop->num_streams);
+ prop->flags=BE_16(&prop->flags);
+ prop->object_id=BE_32(&prop->object_id);
+}
+
+static void rmff_dump_mdpr(rmff_mdpr_t *mdpr, char *buffer) {
+
+ int s1, s2, s3;
+
+ if (!mdpr) return;
+ mdpr->object_id=BE_32(&mdpr->object_id);
+ mdpr->size=BE_32(&mdpr->size);
+ mdpr->object_version=BE_16(&mdpr->object_version);
+ mdpr->stream_number=BE_16(&mdpr->stream_number);
+ mdpr->max_bit_rate=BE_32(&mdpr->max_bit_rate);
+ mdpr->avg_bit_rate=BE_32(&mdpr->avg_bit_rate);
+ mdpr->max_packet_size=BE_32(&mdpr->max_packet_size);
+ mdpr->avg_packet_size=BE_32(&mdpr->avg_packet_size);
+ mdpr->start_time=BE_32(&mdpr->start_time);
+ mdpr->preroll=BE_32(&mdpr->preroll);
+ mdpr->duration=BE_32(&mdpr->duration);
+
+ memcpy(buffer, mdpr, 8);
+ memcpy(&buffer[8], &mdpr->object_version, 2);
+ memcpy(&buffer[10], &mdpr->stream_number, 2);
+ memcpy(&buffer[12], &mdpr->max_bit_rate, 28);
+ memcpy(&buffer[40], &mdpr->stream_name_size, 1);
+ s1=mdpr->stream_name_size;
+ memcpy(&buffer[41], mdpr->stream_name, s1);
+
+ memcpy(&buffer[41+s1], &mdpr->mime_type_size, 1);
+ s2=mdpr->mime_type_size;
+ memcpy(&buffer[42+s1], mdpr->mime_type, s2);
+
+ mdpr->type_specific_len=BE_32(&mdpr->type_specific_len);
+ memcpy(&buffer[42+s1+s2], &mdpr->type_specific_len, 4);
+ mdpr->type_specific_len=BE_32(&mdpr->type_specific_len);
+ s3=mdpr->type_specific_len;
+ memcpy(&buffer[46+s1+s2], mdpr->type_specific_data, s3);
+
+ mdpr->size=BE_32(&mdpr->size);
+ mdpr->stream_number=BE_16(&mdpr->stream_number);
+ mdpr->max_bit_rate=BE_32(&mdpr->max_bit_rate);
+ mdpr->avg_bit_rate=BE_32(&mdpr->avg_bit_rate);
+ mdpr->max_packet_size=BE_32(&mdpr->max_packet_size);
+ mdpr->avg_packet_size=BE_32(&mdpr->avg_packet_size);
+ mdpr->start_time=BE_32(&mdpr->start_time);
+ mdpr->preroll=BE_32(&mdpr->preroll);
+ mdpr->duration=BE_32(&mdpr->duration);
+ mdpr->object_id=BE_32(&mdpr->object_id);
+
+}
+
+static void rmff_dump_cont(rmff_cont_t *cont, char *buffer) {
+
+ int p;
+
+ if (!cont) return;
+ cont->object_id=BE_32(&cont->object_id);
+ cont->size=BE_32(&cont->size);
+ cont->object_version=BE_16(&cont->object_version);
+
+ memcpy(buffer, cont, 8);
+ memcpy(&buffer[8], &cont->object_version, 2);
+
+ cont->title_len=BE_16(&cont->title_len);
+ memcpy(&buffer[10], &cont->title_len, 2);
+ cont->title_len=BE_16(&cont->title_len);
+ memcpy(&buffer[12], cont->title, cont->title_len);
+ p=12+cont->title_len;
+
+ cont->author_len=BE_16(&cont->author_len);
+ memcpy(&buffer[p], &cont->author_len, 2);
+ cont->author_len=BE_16(&cont->author_len);
+ memcpy(&buffer[p+2], cont->author, cont->author_len);
+ p+=2+cont->author_len;
+
+ cont->copyright_len=BE_16(&cont->copyright_len);
+ memcpy(&buffer[p], &cont->copyright_len, 2);
+ cont->copyright_len=BE_16(&cont->copyright_len);
+ memcpy(&buffer[p+2], cont->copyright, cont->copyright_len);
+ p+=2+cont->copyright_len;
+
+ cont->comment_len=BE_16(&cont->comment_len);
+ memcpy(&buffer[p], &cont->comment_len, 2);
+ cont->comment_len=BE_16(&cont->comment_len);
+ memcpy(&buffer[p+2], cont->comment, cont->comment_len);
+
+ cont->size=BE_32(&cont->size);
+ cont->object_version=BE_16(&cont->object_version);
+ cont->object_id=BE_32(&cont->object_id);
+}
+
+static void rmff_dump_dataheader(rmff_data_t *data, char *buffer) {
+
+ if (!data) return;
+ data->object_id=BE_32(&data->object_id);
+ data->size=BE_32(&data->size);
+ data->object_version=BE_16(&data->object_version);
+ data->num_packets=BE_32(&data->num_packets);
+ data->next_data_header=BE_32(&data->next_data_header);
+
+ memcpy(buffer, data, 8);
+ memcpy(&buffer[8], &data->object_version, 2);
+ memcpy(&buffer[10], &data->num_packets, 8);
+
+ data->num_packets=BE_32(&data->num_packets);
+ data->next_data_header=BE_32(&data->next_data_header);
+ data->size=BE_32(&data->size);
+ data->object_version=BE_16(&data->object_version);
+ data->object_id=BE_32(&data->object_id);
+}
+
+int rmff_dump_header(rmff_header_t *h, char *buffer, int max) {
+
+ int written=0;
+ rmff_mdpr_t **stream=h->streams;
+
+ rmff_dump_fileheader(h->fileheader, &buffer[written]);
+ written+=h->fileheader->size;
+ rmff_dump_prop(h->prop, &buffer[written]);
+ written+=h->prop->size;
+ rmff_dump_cont(h->cont, &buffer[written]);
+ written+=h->cont->size;
+ if (stream)
+ {
+ while(*stream)
+ {
+ rmff_dump_mdpr(*stream, &buffer[written]);
+ written+=(*stream)->size;
+ stream++;
+ }
+ }
+
+ rmff_dump_dataheader(h->data, &buffer[written]);
+ written+=18;
+
+ return written;
+}
+
+void rmff_dump_pheader(rmff_pheader_t *h, char *data) {
+
+ data[0]=(h->object_version>>8) & 0xff;
+ data[1]=h->object_version & 0xff;
+ data[2]=(h->length>>8) & 0xff;
+ data[3]=h->length & 0xff;
+ data[4]=(h->stream_number>>8) & 0xff;
+ data[5]=h->stream_number & 0xff;
+ data[6]=(h->timestamp>>24) & 0xff;
+ data[7]=(h->timestamp>>16) & 0xff;
+ data[8]=(h->timestamp>>8) & 0xff;
+ data[9]=h->timestamp & 0xff;
+ data[10]=h->reserved;
+ data[11]=h->flags;
+}
+
+rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers) {
+
+ rmff_fileheader_t *fileheader = malloc(sizeof(rmff_fileheader_t));
+ memset(fileheader, 0, sizeof(rmff_fileheader_t));
+
+ fileheader->object_id=RMF_TAG;
+ fileheader->size=18;
+ fileheader->object_version=0;
+ fileheader->file_version=0;
+ fileheader->num_headers=num_headers;
+
+ return fileheader;
+}
+
+rmff_prop_t *rmff_new_prop (
+ uint32_t max_bit_rate,
+ uint32_t avg_bit_rate,
+ uint32_t max_packet_size,
+ uint32_t avg_packet_size,
+ uint32_t num_packets,
+ uint32_t duration,
+ uint32_t preroll,
+ uint32_t index_offset,
+ uint32_t data_offset,
+ uint16_t num_streams,
+ uint16_t flags ) {
+
+ rmff_prop_t *prop = malloc(sizeof(rmff_prop_t));
+ memset(prop, 0, sizeof(rmff_prop_t));
+
+ prop->object_id=PROP_TAG;
+ prop->size=50;
+ prop->object_version=0;
+
+ prop->max_bit_rate=max_bit_rate;
+ prop->avg_bit_rate=avg_bit_rate;
+ prop->max_packet_size=max_packet_size;
+ prop->avg_packet_size=avg_packet_size;
+ prop->num_packets=num_packets;
+ prop->duration=duration;
+ prop->preroll=preroll;
+ prop->index_offset=index_offset;
+ prop->data_offset=data_offset;
+ prop->num_streams=num_streams;
+ prop->flags=flags;
+
+ return prop;
+}
+
+rmff_mdpr_t *rmff_new_mdpr(
+ uint16_t stream_number,
+ uint32_t max_bit_rate,
+ uint32_t avg_bit_rate,
+ uint32_t max_packet_size,
+ uint32_t avg_packet_size,
+ uint32_t start_time,
+ uint32_t preroll,
+ uint32_t duration,
+ const char *stream_name,
+ const char *mime_type,
+ uint32_t type_specific_len,
+ const char *type_specific_data ) {
+
+ rmff_mdpr_t *mdpr = malloc(sizeof(rmff_mdpr_t));
+ memset(mdpr, 0, sizeof(rmff_mdpr_t));
+
+ mdpr->object_id=MDPR_TAG;
+ mdpr->object_version=0;
+
+ mdpr->stream_number=stream_number;
+ mdpr->max_bit_rate=max_bit_rate;
+ mdpr->avg_bit_rate=avg_bit_rate;
+ mdpr->max_packet_size=max_packet_size;
+ mdpr->avg_packet_size=avg_packet_size;
+ mdpr->start_time=start_time;
+ mdpr->preroll=preroll;
+ mdpr->duration=duration;
+ mdpr->stream_name_size=0;
+ if (stream_name) {
+ mdpr->stream_name=strdup(stream_name);
+ mdpr->stream_name_size=strlen(stream_name);
+ }
+ mdpr->mime_type_size=0;
+ if (mime_type) {
+ mdpr->mime_type=strdup(mime_type);
+ mdpr->mime_type_size=strlen(mime_type);
+ }
+ mdpr->type_specific_len=type_specific_len;
+ mdpr->type_specific_data = malloc(sizeof(char)*type_specific_len);
+ memcpy(mdpr->type_specific_data,type_specific_data,type_specific_len);
+ mdpr->mlti_data=NULL;
+
+ mdpr->size=mdpr->stream_name_size+mdpr->mime_type_size+mdpr->type_specific_len+46;
+
+ return mdpr;
+}
+
+rmff_cont_t *rmff_new_cont(const char *title, const char *author, const char *copyright, const char *comment) {
+
+ rmff_cont_t *cont = malloc(sizeof(rmff_cont_t));
+ memset(cont, 0, sizeof(rmff_cont_t));
+
+ cont->object_id=CONT_TAG;
+ cont->object_version=0;
+
+ cont->title=NULL;
+ cont->author=NULL;
+ cont->copyright=NULL;
+ cont->comment=NULL;
+
+ cont->title_len=0;
+ cont->author_len=0;
+ cont->copyright_len=0;
+ cont->comment_len=0;
+
+ if (title) {
+ cont->title_len=strlen(title);
+ cont->title=strdup(title);
+ }
+ if (author) {
+ cont->author_len=strlen(author);
+ cont->author=strdup(author);
+ }
+ if (copyright) {
+ cont->copyright_len=strlen(copyright);
+ cont->copyright=strdup(copyright);
+ }
+ if (comment) {
+ cont->comment_len=strlen(comment);
+ cont->comment=strdup(comment);
+ }
+ cont->size=cont->title_len+cont->author_len+cont->copyright_len+cont->comment_len+18;
+
+ return cont;
+}
+
+rmff_data_t *rmff_new_dataheader(uint32_t num_packets, uint32_t next_data_header) {
+
+ rmff_data_t *data = malloc(sizeof(rmff_data_t));
+ memset(data, 0, sizeof(rmff_data_t));
+
+ data->object_id=DATA_TAG;
+ data->size=18;
+ data->object_version=0;
+ data->num_packets=num_packets;
+ data->next_data_header=next_data_header;
+
+ return data;
+}
+
+void rmff_print_header(rmff_header_t *h) {
+
+ rmff_mdpr_t **stream;
+
+ if(!h) {
+ printf("rmff_print_header: NULL given\n");
+ return;
+ }
+ if(h->fileheader)
+ {
+ printf("\nFILE:\n");
+ printf("file version : %d\n", h->fileheader->file_version);
+ printf("number of headers : %d\n", h->fileheader->num_headers);
+ }
+ if(h->cont)
+ {
+ printf("\nCONTENT:\n");
+ printf("title : %s\n", h->cont->title);
+ printf("author : %s\n", h->cont->author);
+ printf("copyright : %s\n", h->cont->copyright);
+ printf("comment : %s\n", h->cont->comment);
+ }
+ if(h->prop)
+ {
+ printf("\nSTREAM PROPERTIES:\n");
+ printf("bit rate (max/avg) : %i/%i\n", h->prop->max_bit_rate, h->prop->avg_bit_rate);
+ printf("packet size (max/avg) : %i/%i bytes\n", h->prop->max_packet_size, h->prop->avg_packet_size);
+ printf("packets : %i\n", h->prop->num_packets);
+ printf("duration : %i ms\n", h->prop->duration);
+ printf("pre-buffer : %i ms\n", h->prop->preroll);
+ printf("index offset : %i bytes\n", h->prop->index_offset);
+ printf("data offset : %i bytes\n", h->prop->data_offset);
+ printf("media streams : %i\n", h->prop->num_streams);
+ printf("flags : ");
+ if (h->prop->flags & PN_SAVE_ENABLED) printf("save_enabled ");
+ if (h->prop->flags & PN_PERFECT_PLAY_ENABLED) printf("perfect_play_enabled ");
+ if (h->prop->flags & PN_LIVE_BROADCAST) printf("live_broadcast ");
+ printf("\n");
+ }
+ stream=h->streams;
+ if(stream)
+ {
+ while (*stream)
+ {
+ printf("\nSTREAM %i:\n", (*stream)->stream_number);
+ printf("stream name [mime type] : %s [%s]\n", (*stream)->stream_name, (*stream)->mime_type);
+ printf("bit rate (max/avg) : %i/%i\n", (*stream)->max_bit_rate, (*stream)->avg_bit_rate);
+ printf("packet size (max/avg) : %i/%i bytes\n", (*stream)->max_packet_size, (*stream)->avg_packet_size);
+ printf("start time : %i\n", (*stream)->start_time);
+ printf("pre-buffer : %i ms\n", (*stream)->preroll);
+ printf("duration : %i ms\n", (*stream)->duration);
+ printf("type specific data:\n");
+ stream++;
+ }
+ }
+ if(h->data)
+ {
+ printf("\nDATA:\n");
+ printf("size : %i\n", h->data->size);
+ printf("packets : %i\n", h->data->num_packets);
+ printf("next DATA : 0x%08x\n", h->data->next_data_header);
+ }
+}
+
+void rmff_fix_header(rmff_header_t *h) {
+
+ int num_headers=0;
+ int header_size=0;
+ rmff_mdpr_t **streams;
+ int num_streams=0;
+
+ if (!h) {
+ lprintf("rmff_fix_header: fatal: no header given.\n");
+ return;
+ }
+
+ if (!h->streams) {
+ lprintf("rmff_fix_header: warning: no MDPR chunks\n");
+ } else
+ {
+ streams=h->streams;
+ while (*streams)
+ {
+ num_streams++;
+ num_headers++;
+ header_size+=(*streams)->size;
+ streams++;
+ }
+ }
+
+ if (h->prop) {
+ if (h->prop->size != 50)
+ {
+ lprintf("rmff_fix_header: correcting prop.size from %i to %i\n", h->prop->size, 50);
+
+ h->prop->size=50;
+ }
+ if (h->prop->num_streams != num_streams)
+ {
+ lprintf("rmff_fix_header: correcting prop.num_streams from %i to %i\n", h->prop->num_streams, num_streams);
+
+ h->prop->num_streams=num_streams;
+ }
+ num_headers++;
+ header_size+=50;
+ } else
+ lprintf("rmff_fix_header: warning: no PROP chunk.\n");
+
+ if (h->cont) {
+ num_headers++;
+ header_size+=h->cont->size;
+ } else
+ lprintf("rmff_fix_header: warning: no CONT chunk.\n");
+
+ if (!h->data) {
+ lprintf("rmff_fix_header: no DATA chunk, creating one\n");
+
+ h->data = malloc(sizeof(rmff_data_t));
+ memset(h->data, 0, sizeof(rmff_data_t));
+ h->data->object_id=DATA_TAG;
+ h->data->object_version=0;
+ h->data->size=34;
+ h->data->num_packets=0;
+ h->data->next_data_header=0;
+ }
+ num_headers++;
+
+
+ if (!h->fileheader) {
+ lprintf("rmff_fix_header: no fileheader, creating one");
+
+ h->fileheader = malloc(sizeof(rmff_fileheader_t));
+ memset(h->fileheader, 0, sizeof(rmff_fileheader_t));
+ h->fileheader->object_id=RMF_TAG;
+ h->fileheader->size=34;
+ h->fileheader->object_version=0;
+ h->fileheader->file_version=0;
+ h->fileheader->num_headers=num_headers+1;
+ }
+ header_size+=h->fileheader->size;
+ num_headers++;
+
+ if(h->fileheader->num_headers != num_headers) {
+ lprintf("rmff_fix_header: setting num_headers from %i to %i\n", h->fileheader->num_headers, num_headers);
+
+ h->fileheader->num_headers=num_headers;
+ }
+
+ if(h->prop) {
+ if (h->prop->data_offset != header_size) {
+ lprintf("rmff_fix_header: setting prop.data_offset from %i to %i\n", h->prop->data_offset, header_size);
+
+ h->prop->data_offset=header_size;
+ }
+ if (h->prop->num_packets == 0) {
+ int p=(int)(h->prop->avg_bit_rate/8.0*(h->prop->duration/1000.0)/h->prop->avg_packet_size);
+
+ lprintf("rmff_fix_header: assuming prop.num_packets=%i\n", p);
+
+ h->prop->num_packets=p;
+ }
+ if (h->data->num_packets == 0) {
+ lprintf("rmff_fix_header: assuming data.num_packets=%i\n", h->prop->num_packets);
+
+ h->data->num_packets=h->prop->num_packets;
+ }
+
+ lprintf("rmff_fix_header: assuming data.size=%i\n", h->prop->num_packets*h->prop->avg_packet_size);
+
+ h->data->size=h->prop->num_packets*h->prop->avg_packet_size;
+ }
+}
+
+int rmff_get_header_size(rmff_header_t *h) {
+
+ if (!h) return 0;
+ if (!h->prop) return -1;
+
+ return h->prop->data_offset+18;
+
+}
+
+void rmff_free_header(rmff_header_t *h) {
+
+ if (!h) return;
+
+ if (h->fileheader) free(h->fileheader);
+ if (h->prop) free(h->prop);
+ if (h->data) free(h->data);
+ if (h->cont)
+ {
+ free(h->cont->title);
+ free(h->cont->author);
+ free(h->cont->copyright);
+ free(h->cont->comment);
+ free(h->cont);
+ }
+ if (h->streams)
+ {
+ rmff_mdpr_t **s=h->streams;
+
+ while(*s) {
+ free((*s)->stream_name);
+ free((*s)->mime_type);
+ free((*s)->type_specific_data);
+ free(*s);
+ s++;
+ }
+ free(h->streams);
+ }
+ free(h);
+}
--- /dev/null
+/*
+ * Copyright (C) 2002-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 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
+ *
+ * $Id: rmff.h,v 1.5 2004/04/06 19:20:16 valtri Exp $
+ *
+ * some functions for real media file headers
+ * adopted from joschkas real tools
+ */
+
+#ifndef HAVE_RMFF_H
+#define HAVE_RMFF_H
+
+
+#define RMFF_HEADER_SIZE 0x12
+
+#define FOURCC_TAG( ch0, ch1, ch2, ch3 ) \
+ (((long)(unsigned char)(ch3) ) | \
+ ( (long)(unsigned char)(ch2) << 8 ) | \
+ ( (long)(unsigned char)(ch1) << 16 ) | \
+ ( (long)(unsigned char)(ch0) << 24 ) )
+
+
+#define RMF_TAG FOURCC_TAG('.', 'R', 'M', 'F')
+#define PROP_TAG FOURCC_TAG('P', 'R', 'O', 'P')
+#define MDPR_TAG FOURCC_TAG('M', 'D', 'P', 'R')
+#define CONT_TAG FOURCC_TAG('C', 'O', 'N', 'T')
+#define DATA_TAG FOURCC_TAG('D', 'A', 'T', 'A')
+#define INDX_TAG FOURCC_TAG('I', 'N', 'D', 'X')
+#define PNA_TAG FOURCC_TAG('P', 'N', 'A', 0 )
+
+#define MLTI_TAG FOURCC_TAG('M', 'L', 'T', 'I')
+
+/* prop flags */
+#define PN_SAVE_ENABLED 0x01
+#define PN_PERFECT_PLAY_ENABLED 0x02
+#define PN_LIVE_BROADCAST 0x04
+
+/*
+ * rm header data structs
+ */
+
+typedef struct {
+
+ uint32_t object_id;
+ uint32_t size;
+ uint16_t object_version;
+
+ uint32_t file_version;
+ uint32_t num_headers;
+} rmff_fileheader_t;
+
+typedef struct {
+
+ uint32_t object_id;
+ uint32_t size;
+ uint16_t object_version;
+
+ uint32_t max_bit_rate;
+ uint32_t avg_bit_rate;
+ uint32_t max_packet_size;
+ uint32_t avg_packet_size;
+ uint32_t num_packets;
+ uint32_t duration;
+ uint32_t preroll;
+ uint32_t index_offset;
+ uint32_t data_offset;
+ uint16_t num_streams;
+ uint16_t flags;
+
+} rmff_prop_t;
+
+typedef struct {
+
+ uint32_t object_id;
+ uint32_t size;
+ uint16_t object_version;
+
+ uint16_t stream_number;
+ uint32_t max_bit_rate;
+ uint32_t avg_bit_rate;
+ uint32_t max_packet_size;
+ uint32_t avg_packet_size;
+ uint32_t start_time;
+ uint32_t preroll;
+ uint32_t duration;
+ uint8_t stream_name_size;
+ char *stream_name;
+ uint8_t mime_type_size;
+ char *mime_type;
+ uint32_t type_specific_len;
+ char *type_specific_data;
+
+ int mlti_data_size;
+ char *mlti_data;
+
+} rmff_mdpr_t;
+
+typedef struct {
+
+ uint32_t object_id;
+ uint32_t size;
+ uint16_t object_version;
+
+ uint16_t title_len;
+ char *title;
+ uint16_t author_len;
+ char *author;
+ uint16_t copyright_len;
+ char *copyright;
+ uint16_t comment_len;
+ char *comment;
+
+} rmff_cont_t;
+
+typedef struct {
+
+ uint32_t object_id;
+ uint32_t size;
+ uint16_t object_version;
+
+ uint32_t num_packets;
+ uint32_t next_data_header; /* rarely used */
+} rmff_data_t;
+
+typedef struct {
+
+ rmff_fileheader_t *fileheader;
+ rmff_prop_t *prop;
+ rmff_mdpr_t **streams;
+ rmff_cont_t *cont;
+ rmff_data_t *data;
+} rmff_header_t;
+
+typedef struct {
+
+ uint16_t object_version;
+
+ uint16_t length;
+ uint16_t stream_number;
+ uint32_t timestamp;
+ uint8_t reserved;
+ uint8_t flags;
+
+} rmff_pheader_t;
+
+/*
+ * constructors for header structs
+ */
+
+rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers);
+
+rmff_prop_t *rmff_new_prop (
+ uint32_t max_bit_rate,
+ uint32_t avg_bit_rate,
+ uint32_t max_packet_size,
+ uint32_t avg_packet_size,
+ uint32_t num_packets,
+ uint32_t duration,
+ uint32_t preroll,
+ uint32_t index_offset,
+ uint32_t data_offset,
+ uint16_t num_streams,
+ uint16_t flags );
+
+rmff_mdpr_t *rmff_new_mdpr(
+ uint16_t stream_number,
+ uint32_t max_bit_rate,
+ uint32_t avg_bit_rate,
+ uint32_t max_packet_size,
+ uint32_t avg_packet_size,
+ uint32_t start_time,
+ uint32_t preroll,
+ uint32_t duration,
+ const char *stream_name,
+ const char *mime_type,
+ uint32_t type_specific_len,
+ const char *type_specific_data );
+
+rmff_cont_t *rmff_new_cont(
+ const char *title,
+ const char *author,
+ const char *copyright,
+ const char *comment);
+
+rmff_data_t *rmff_new_dataheader(
+ uint32_t num_packets, uint32_t next_data_header);
+
+/*
+ * reads header infos from data and returns a newly allocated header struct
+ */
+rmff_header_t *rmff_scan_header(const char *data);
+
+/*
+ * scans a data packet header. Notice, that this function does not allocate
+ * the header struct itself.
+ */
+void rmff_scan_pheader(rmff_pheader_t *h, char *data);
+
+/*
+ * reads header infos from stream and returns a newly allocated header struct
+ */
+rmff_header_t *rmff_scan_header_stream(int fd);
+
+/*
+ * prints header information in human readible form to stdout
+ */
+void rmff_print_header(rmff_header_t *h);
+
+/*
+ * does some checks and fixes header if possible
+ */
+void rmff_fix_header(rmff_header_t *h);
+
+/*
+ * returns the size of the header (incl. first data-header)
+ */
+int rmff_get_header_size(rmff_header_t *h);
+
+/*
+ * dumps the header <h> to <buffer>. <max> is the size of <buffer>
+ */
+int rmff_dump_header(rmff_header_t *h, char *buffer, int max);
+
+/*
+ * dumps a packet header
+ */
+void rmff_dump_pheader(rmff_pheader_t *h, char *data);
+
+/*
+ * frees a header struct
+ */
+void rmff_free_header(rmff_header_t *h);
+
+#endif
--- /dev/null
+/*
+ * Copyright (C) 2002-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 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
+ *
+ * $Id: sdpplin.c,v 1.5 2004/04/23 21:59:04 miguelfreitas Exp $
+ *
+ * sdp/sdpplin parser.
+ *
+ */
+
+#include "real.h"
+
+/*
+ * Decodes base64 strings (based upon b64 package)
+ */
+
+static char *b64_decode(const char *in, char *out, int *size)
+{
+ char dtable[256]; /* Encode / decode table */
+ int i,j,k;
+
+ for (i = 0; i < 255; i++) {
+ dtable[i] = 0x80;
+ }
+ for (i = 'A'; i <= 'Z'; i++) {
+ dtable[i] = 0 + (i - 'A');
+ }
+ for (i = 'a'; i <= 'z'; i++) {
+ dtable[i] = 26 + (i - 'a');
+ }
+ for (i = '0'; i <= '9'; i++) {
+ dtable[i] = 52 + (i - '0');
+ }
+ dtable['+'] = 62;
+ dtable['/'] = 63;
+ dtable['='] = 0;
+
+ k=0;
+
+ /*CONSTANTCONDITION*/
+ for (j=0; j<strlen(in); j+=4)
+ {
+ char a[4], b[4];
+
+ for (i = 0; i < 4; i++) {
+ int c = in[i+j];
+
+ if (dtable[c] & 0x80) {
+ printf("Illegal character '%c' in input.\n", c);
+ exit(1);
+ }
+ a[i] = (char) c;
+ b[i] = (char) dtable[c];
+ }
+ //xine_buffer_ensure_size(out, k+3);
+ out[k++] = (b[0] << 2) | (b[1] >> 4);
+ out[k++] = (b[1] << 4) | (b[2] >> 2);
+ out[k++] = (b[2] << 6) | b[3];
+ i = a[2] == '=' ? 1 : (a[3] == '=' ? 2 : 3);
+ if (i < 3) {
+ out[k]=0;
+ *size=k;
+ return out;
+ }
+ }
+ out[k]=0;
+ *size=k;
+ return out;
+}
+
+static char *nl(char *data) {
+
+ char *nlptr = (data) ? strchr(data,'\n') : NULL;
+ return (nlptr) ? nlptr + 1 : NULL;
+}
+
+static int filter(const char *in, const char *filter, char **out) {
+
+ int flen=strlen(filter);
+ int len;
+
+ if (!in)
+ return 0;
+
+ len = (strchr(in,'\n')) ? strchr(in,'\n')-in : strlen(in);
+
+ if (!strncmp(in,filter,flen))
+ {
+ if(in[flen]=='"') flen++;
+ if(in[len-1]==13) len--;
+ if(in[len-1]=='"') len--;
+ memcpy(*out, in+flen, len-flen+1);
+ (*out)[len-flen]=0;
+
+ return len-flen;
+ }
+
+ return 0;
+}
+static sdpplin_stream_t *sdpplin_parse_stream(char **data) {
+
+ sdpplin_stream_t *desc = malloc(sizeof(sdpplin_stream_t));
+ char *buf=malloc(32000);
+ char *decoded=malloc(32000);
+ int handled;
+
+ memset(desc, 0, sizeof(sdpplin_stream_t));
+
+ if (filter(*data, "m=", &buf)) {
+ desc->id = strdup(buf);
+ } else
+ {
+ lprintf("sdpplin: no m= found.\n");
+ free(desc);
+ free(buf);
+ return NULL;
+ }
+ *data=nl(*data);
+
+ while (*data && **data && *data[0]!='m') {
+
+ handled=0;
+
+ if(filter(*data,"a=control:streamid=",&buf)) {
+ desc->stream_id=atoi(buf);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=MaxBitRate:integer;",&buf)) {
+ desc->max_bit_rate=atoi(buf);
+ if (!desc->avg_bit_rate)
+ desc->avg_bit_rate=desc->max_bit_rate;
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=MaxPacketSize:integer;",&buf)) {
+ desc->max_packet_size=atoi(buf);
+ if (!desc->avg_packet_size)
+ desc->avg_packet_size=desc->max_packet_size;
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=StartTime:integer;",&buf)) {
+ desc->start_time=atoi(buf);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=Preroll:integer;",&buf)) {
+ desc->preroll=atoi(buf);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=length:npt=",&buf)) {
+ desc->duration=(uint32_t)(atof(buf)*1000);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=StreamName:string;",&buf)) {
+ desc->stream_name=strdup(buf);
+ desc->stream_name_size=strlen(desc->stream_name);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=mimetype:string;",&buf)) {
+ desc->mime_type=strdup(buf);
+ desc->mime_type_size=strlen(desc->mime_type);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(filter(*data,"a=OpaqueData:buffer;",&buf)) {
+ decoded = b64_decode(buf, decoded, &(desc->mlti_data_size));
+ desc->mlti_data = malloc(sizeof(char)*desc->mlti_data_size);
+ memcpy(desc->mlti_data, decoded, desc->mlti_data_size);
+ handled=1;
+ *data=nl(*data);
+ lprintf("mlti_data_size: %i\n", desc->mlti_data_size);
+ }
+
+ if(filter(*data,"a=ASMRuleBook:string;",&buf)) {
+ desc->asm_rule_book=strdup(buf);
+ handled=1;
+ *data=nl(*data);
+ }
+
+ if(!handled) {
+#ifdef LOG
+ int len=strchr(*data,'\n')-(*data);
+ memcpy(buf, *data, len+1);
+ buf[len]=0;
+ printf("libreal: sdpplin: not handled: '%s'\n", buf);
+#endif
+ *data=nl(*data);
+ }
+ }
+
+ free(buf);
+ free(decoded);
+
+ return desc;
+}
+
+sdpplin_t *sdpplin_parse(char *data) {
+
+ sdpplin_t *desc = malloc(sizeof(sdpplin_t));
+ sdpplin_stream_t *stream;
+ char *buf=malloc(3200);
+ char *decoded=malloc(3200);
+ int handled;
+ int len;
+
+ memset(desc, 0, sizeof(sdpplin_t));
+
+ while (data && *data) {
+
+ handled=0;
+
+ if (filter(data, "m=", &buf)) {
+ stream=sdpplin_parse_stream(&data);
+ lprintf("got data for stream id %u\n", stream->stream_id);
+ desc->stream[stream->stream_id]=stream;
+ continue;
+ }
+
+ if(filter(data,"a=Title:buffer;",&buf)) {
+ decoded=b64_decode(buf, decoded, &len);
+ desc->title=strdup(decoded);
+ handled=1;
+ data=nl(data);
+ }
+
+ if(filter(data,"a=Author:buffer;",&buf)) {
+ decoded=b64_decode(buf, decoded, &len);
+ desc->author=strdup(decoded);
+ handled=1;
+ data=nl(data);
+ }
+
+ if(filter(data,"a=Copyright:buffer;",&buf)) {
+ decoded=b64_decode(buf, decoded, &len);
+ desc->copyright=strdup(decoded);
+ handled=1;
+ data=nl(data);
+ }
+
+ if(filter(data,"a=Abstract:buffer;",&buf)) {
+ decoded=b64_decode(buf, decoded, &len);
+ desc->abstract=strdup(decoded);
+ handled=1;
+ data=nl(data);
+ }
+
+ if(filter(data,"a=StreamCount:integer;",&buf)) {
+ desc->stream_count=atoi(buf);
+ desc->stream = malloc(sizeof(sdpplin_stream_t*)*desc->stream_count);
+ handled=1;
+ data=nl(data);
+ }
+
+ if(filter(data,"a=Flags:integer;",&buf)) {
+ desc->flags=atoi(buf);
+ handled=1;
+ data=nl(data);
+ }
+
+ if(!handled) {
+#ifdef LOG
+ int len=strchr(data,'\n')-data;
+ memcpy(buf, data, len+1);
+ buf[len]=0;
+ printf("libreal: sdpplin: not handled: '%s'\n", buf);
+#endif
+ data=nl(data);
+ }
+ }
+
+ free(buf);
+ free(decoded);
+
+ return desc;
+}
+
+void sdpplin_free(sdpplin_t *description) {
+
+ /* TODO: free strings */
+ free(description);
+}
+
--- /dev/null
+/*
+ * Copyright (C) 2002-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 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
+ *
+ * $Id: sdpplin.h,v 1.2 2003/12/09 00:02:30 f1rmb Exp $
+ *
+ * sdp/sdpplin parser.
+ *
+ */
+
+#ifndef HAVE_SDPPLIN_H
+#define HAVE_SDPPLIN_H
+
+typedef struct {
+
+ char *id;
+ char *bandwidth;
+
+ int stream_id;
+ char *range;
+ char *length;
+ char *rtpmap;
+ char *mimetype;
+ int min_switch_overlap;
+ int start_time;
+ int end_one_rule_end_all;
+ int avg_bit_rate;
+ int max_bit_rate;
+ int avg_packet_size;
+ int max_packet_size;
+ int end_time;
+ int seek_greater_on_switch;
+ int preroll;
+
+ int duration;
+ char *stream_name;
+ int stream_name_size;
+ char *mime_type;
+ int mime_type_size;
+ char *mlti_data;
+ int mlti_data_size;
+ int rmff_flags_length;
+ char *rmff_flags;
+ int asm_rule_book_length;
+ char *asm_rule_book;
+
+} sdpplin_stream_t;
+
+typedef struct {
+
+ int sdp_version, sdpplin_version;
+ char *owner;
+ char *session_name;
+ char *session_info;
+ char *uri;
+ char *email;
+ char *phone;
+ char *connection;
+ char *bandwidth;
+
+ int flags;
+ int is_real_data_type;
+ int stream_count;
+ char *title;
+ char *author;
+ char *copyright;
+ char *keywords;
+ int asm_rule_book_length;
+ char *asm_rule_book;
+ char *abstract;
+ char *range;
+ int avg_bit_rate;
+ int max_bit_rate;
+ int avg_packet_size;
+ int max_packet_size;
+ int preroll;
+ int duration;
+
+ sdpplin_stream_t **stream;
+
+} sdpplin_t;
+
+sdpplin_t *sdpplin_parse(char *data);
+
+void sdpplin_free(sdpplin_t *description);
+
+#endif
--- /dev/null
+/*****************************************************************************
+ * rtsp.c: minimalistic implementation of rtsp protocol.
+ * Not RFC 2326 compilant yet and only handle REAL RTSP.
+ *****************************************************************************
+ * Copyright (C) 2002-2004 the xine project
+ * Copyright (C) 2005 VideoLAN
+ * $Id: file.c 10310 2005-03-11 22:36:40Z anil $
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.org>
+ * Adapted from xine which itself adapted it from joschkas real tools.
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 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.
+ *****************************************************************************/
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+
+#include "rtsp.h"
+
+#define BUF_SIZE 4096
+#define HEADER_SIZE 1024
+#define MAX_FIELDS 256
+
+struct rtsp_s {
+
+ int s;
+
+ char *host;
+ int port;
+ char *path;
+ char *mrl;
+ char *user_agent;
+
+ char *server;
+ unsigned int server_state;
+ uint32_t server_caps;
+
+ unsigned int cseq;
+ char *session;
+
+ char *answers[MAX_FIELDS]; /* data of last message */
+ char *scheduled[MAX_FIELDS]; /* will be sent with next message */
+};
+
+/*
+ * constants
+ */
+
+const char rtsp_protocol_version[]="RTSP/1.0";
+
+/* server states */
+#define RTSP_CONNECTED 1
+#define RTSP_INIT 2
+#define RTSP_READY 4
+#define RTSP_PLAYING 8
+#define RTSP_RECORDING 16
+
+/* server capabilities */
+#define RTSP_OPTIONS 0x001
+#define RTSP_DESCRIBE 0x002
+#define RTSP_ANNOUNCE 0x004
+#define RTSP_SETUP 0x008
+#define RTSP_GET_PARAMETER 0x010
+#define RTSP_SET_PARAMETER 0x020
+#define RTSP_TEARDOWN 0x040
+#define RTSP_PLAY 0x080
+#define RTSP_RECORD 0x100
+
+/*
+ * rtsp_get gets a line from stream
+ * and returns a null terminated string (must be freed).
+ */
+
+static char *rtsp_get( rtsp_client_t *rtsp )
+{
+ char *psz_buffer = malloc( BUF_SIZE );
+ char *psz_string = NULL;
+
+ if( rtsp->pf_read_line( rtsp->p_userdata, psz_buffer, BUF_SIZE ) >= 0 )
+ {
+ //printf( "<< '%s'\n", psz_buffer );
+ psz_string = strdup( psz_buffer );
+ }
+
+ free( psz_buffer );
+ return psz_string;
+}
+
+
+/*
+ * rtsp_put puts a line on stream
+ */
+
+static int rtsp_put( rtsp_client_t *rtsp, const char *psz_string )
+{
+ int i_buffer = strlen( psz_string );
+ char *psz_buffer = malloc( i_buffer + 3 );
+ int i_ret;
+
+ strcpy( psz_buffer, psz_string );
+ psz_buffer[i_buffer] = '\r'; psz_buffer[i_buffer+1] = '\n';
+ psz_buffer[i_buffer+2] = 0;
+
+ i_ret = rtsp->pf_write( rtsp->p_userdata, psz_buffer, i_buffer + 2 );
+
+ free( psz_buffer );
+ return i_ret;
+}
+
+/*
+ * extract server status code
+ */
+
+static int rtsp_get_status_code( rtsp_client_t *rtsp, const char *psz_string )
+{
+ char psz_buffer[4];
+ int i_code = 0;
+
+ if( !strncmp( psz_string, "RTSP/1.0", sizeof("RTSP/1.0") - 1 ) )
+ {
+ memcpy( psz_buffer, psz_string + sizeof("RTSP/1.0"), 3 );
+ psz_buffer[3] = 0;
+ i_code = atoi( psz_buffer );
+ }
+ else if( !strncmp( psz_string, "SET_PARAMETER", 8 ) )
+ {
+ return RTSP_STATUS_SET_PARAMETER;
+ }
+
+ if( i_code != 200 )
+ {
+ fprintf( stderr, "librtsp: server responds: '%s'\n", psz_string );
+ }
+
+ return i_code;
+}
+
+/*
+ * send a request
+ */
+
+static int rtsp_send_request( rtsp_client_t *rtsp, const char *psz_type,
+ const char *psz_what )
+{
+ char **ppsz_payload = rtsp->p_private->scheduled;
+ char *psz_buffer;
+ int i_ret;
+
+ psz_buffer = malloc( strlen(psz_type) + strlen(psz_what) +
+ sizeof("RTSP/1.0") + 2 );
+
+ sprintf( psz_buffer, "%s %s %s", psz_type, psz_what, "RTSP/1.0" );
+ i_ret = rtsp_put( rtsp, psz_buffer );
+ free( psz_buffer );
+
+ if( ppsz_payload )
+ while( *ppsz_payload )
+ {
+ rtsp_put( rtsp, *ppsz_payload );
+ ppsz_payload++;
+ }
+ rtsp_put( rtsp, "" );
+ rtsp_unschedule_all( rtsp );
+
+ return i_ret;
+}
+
+/*
+ * schedule standard fields
+ */
+
+static void rtsp_schedule_standard( rtsp_client_t *rtsp )
+{
+ char tmp[17];
+
+ sprintf( tmp, "Cseq: %u", rtsp->p_private->cseq);
+ rtsp_schedule_field( rtsp, tmp );
+
+ if( rtsp->p_private->session )
+ {
+ char *buf;
+ buf = malloc( strlen(rtsp->p_private->session) + 15 );
+ sprintf( buf, "Session: %s", rtsp->p_private->session );
+ rtsp_schedule_field( rtsp, buf );
+ free( buf );
+ }
+}
+
+/*
+ * get the answers, if server responses with something != 200, return NULL
+ */
+
+static int rtsp_get_answers( rtsp_client_t *rtsp )
+{
+ char *answer = NULL;
+ unsigned int answer_seq;
+ char **answer_ptr = rtsp->p_private->answers;
+ int code;
+ int ans_count = 0;
+
+ answer = rtsp_get( rtsp );
+ if( !answer ) return 0;
+ code = rtsp_get_status_code( rtsp, answer );
+ free( answer );
+
+ rtsp_free_answers( rtsp );
+
+ do { /* while we get answer lines */
+
+ answer = rtsp_get( rtsp );
+ if( !answer ) return 0;
+
+ if( !strncasecmp( answer, "Cseq:", 5 ) )
+ {
+ sscanf( answer, "%*s %u", &answer_seq );
+ if( rtsp->p_private->cseq != answer_seq )
+ {
+ //fprintf( stderr, "warning: Cseq mismatch. got %u, assumed %u",
+ // answer_seq, rtsp->p_private->cseq );
+
+ rtsp->p_private->cseq = answer_seq;
+ }
+ }
+ if( !strncasecmp( answer, "Server:", 7 ) )
+ {
+ char *buf = malloc( strlen(answer) );
+ sscanf( answer, "%*s %s", buf );
+ if( rtsp->p_private->server ) free( rtsp->p_private->server );
+ rtsp->p_private->server = strdup( buf );
+ free( buf );
+ }
+ if( !strncasecmp( answer, "Session:", 8 ) )
+ {
+ char *buf = malloc( strlen(answer) );
+ sscanf( answer, "%*s %s", buf );
+ if( rtsp->p_private->session )
+ {
+ if( strcmp( buf, rtsp->p_private->session ) )
+ {
+ fprintf( stderr,
+ "rtsp: warning: setting NEW session: %s\n", buf );
+ free( rtsp->p_private->session );
+ rtsp->p_private->session = strdup( buf );
+ }
+ }
+ else
+ {
+ fprintf( stderr, "setting session id to: %s\n", buf );
+ rtsp->p_private->session = strdup( buf );
+ }
+ free( buf );
+ }
+
+ *answer_ptr = answer;
+ answer_ptr++;
+ } while( (strlen(answer) != 0) && (++ans_count < MAX_FIELDS) );
+
+ rtsp->p_private->cseq++;
+
+ *answer_ptr = NULL;
+ rtsp_schedule_standard( rtsp );
+
+ return code;
+}
+
+/*
+ * send an ok message
+ */
+
+int rtsp_send_ok( rtsp_client_t *rtsp )
+{
+ char cseq[16];
+
+ rtsp_put( rtsp, "RTSP/1.0 200 OK" );
+ sprintf( cseq, "CSeq: %u", rtsp->p_private->cseq );
+ rtsp_put( rtsp, cseq );
+ rtsp_put( rtsp, "" );
+ return 0;
+}
+
+/*
+ * implementation of must-have rtsp requests; functions return
+ * server status code.
+ */
+
+int rtsp_request_options( rtsp_client_t *rtsp, const char *what )
+{
+ char *buf;
+
+ if( what ) buf = strdup(what);
+ else
+ {
+ buf = malloc( strlen(rtsp->p_private->host) + 16 );
+ sprintf( buf, "rtsp://%s:%i", rtsp->p_private->host,
+ rtsp->p_private->port );
+ }
+ rtsp_send_request( rtsp, "OPTIONS", buf );
+ free( buf );
+
+ return rtsp_get_answers( rtsp );
+}
+
+int rtsp_request_describe( rtsp_client_t *rtsp, const char *what )
+{
+ char *buf;
+
+ if( what )
+ {
+ buf = strdup(what);
+ }
+ else
+ {
+ buf = malloc( strlen(rtsp->p_private->host) +
+ strlen(rtsp->p_private->path) + 16 );
+ sprintf( buf, "rtsp://%s:%i/%s", rtsp->p_private->host,
+ rtsp->p_private->port, rtsp->p_private->path );
+ }
+ rtsp_send_request( rtsp, "DESCRIBE", buf );
+ free( buf );
+
+ return rtsp_get_answers( rtsp );
+}
+
+int rtsp_request_setup( rtsp_client_t *rtsp, const char *what )
+{
+ rtsp_send_request( rtsp, "SETUP", what );
+ return rtsp_get_answers( rtsp );
+}
+
+int rtsp_request_setparameter( rtsp_client_t *rtsp, const char *what )
+{
+ char *buf;
+
+ if( what )
+ {
+ buf = strdup(what);
+ }
+ else
+ {
+ buf = malloc( strlen(rtsp->p_private->host) +
+ strlen(rtsp->p_private->path) + 16 );
+ sprintf( buf, "rtsp://%s:%i/%s", rtsp->p_private->host,
+ rtsp->p_private->port, rtsp->p_private->path );
+ }
+
+ rtsp_send_request( rtsp, "SET_PARAMETER", buf );
+ free( buf );
+
+ return rtsp_get_answers( rtsp );
+}
+
+int rtsp_request_play( rtsp_client_t *rtsp, const char *what )
+{
+ char *buf;
+
+ if( what )
+ {
+ buf = strdup( what );
+ }
+ else
+ {
+ buf = malloc( strlen(rtsp->p_private->host) +
+ strlen(rtsp->p_private->path) + 16 );
+ sprintf( buf, "rtsp://%s:%i/%s", rtsp->p_private->host,
+ rtsp->p_private->port, rtsp->p_private->path );
+ }
+
+ rtsp_send_request( rtsp, "PLAY", buf );
+ free( buf );
+
+ return rtsp_get_answers( rtsp );
+}
+
+int rtsp_request_tearoff( rtsp_client_t *rtsp, const char *what )
+{
+ rtsp_send_request( rtsp, "TEAROFF", what );
+ return rtsp_get_answers( rtsp );
+}
+
+/*
+ * read opaque data from stream
+ */
+
+int rtsp_read_data( rtsp_client_t *rtsp, char *buffer, unsigned int size )
+{
+ int i, seq;
+
+ if( size >= 4 )
+ {
+ i= rtsp->pf_read( rtsp->p_userdata, buffer, 4 );
+ if( i < 4 ) return i;
+
+ if( buffer[0]=='S' && buffer[1]=='E' && buffer[2]=='T' &&
+ buffer[3]=='_' )
+ {
+ char *rest = rtsp_get( rtsp );
+ if( !rest ) return -1;
+
+ seq = -1;
+ do
+ {
+ free( rest );
+ rest = rtsp_get( rtsp );
+ if( !rest ) return -1;
+
+ if( !strncasecmp( rest, "Cseq:", 5 ) )
+ sscanf( rest, "%*s %u", &seq );
+ } while( strlen(rest) != 0 );
+
+ free( rest );
+ if( seq < 0 )
+ {
+ fprintf(stderr, "warning: cseq not recognized!\n");
+ seq=1;
+ }
+
+ /* lets make the server happy */
+ rtsp_put( rtsp, "RTSP/1.0 451 Parameter Not Understood" );
+ rest = malloc(17);
+ sprintf( rest,"CSeq: %u", seq );
+ rtsp_put( rtsp, rest );
+ rtsp_put( rtsp, "" );
+ rtsp->pf_read( rtsp->p_userdata, buffer, size );
+ }
+ else
+ {
+ i = rtsp->pf_read( rtsp->p_userdata, buffer + 4, size - 4 );
+ i += 4;
+ }
+ }
+ else i= rtsp->pf_read( rtsp->p_userdata, buffer, size );
+
+ //fprintf( stderr, "<< %d of %d bytes\n", i, size );
+
+ return i;
+}
+
+/*
+ * connect to a rtsp server
+ */
+
+int rtsp_connect( rtsp_client_t *rtsp, const char *psz_mrl,
+ const char *psz_user_agent )
+{
+ rtsp_t *s;
+ char *mrl_ptr;
+ char *slash, *colon;
+ int hostend, pathbegin, i;
+
+ if( !psz_mrl ) return -1;
+ s = malloc( sizeof(rtsp_t) );
+ rtsp->p_private = s;
+
+ if( !strncmp( psz_mrl, "rtsp://", 7 ) ) psz_mrl += 7;
+ mrl_ptr = strdup( psz_mrl );
+
+ for( i=0; i<MAX_FIELDS; i++ )
+ {
+ s->answers[i]=NULL;
+ s->scheduled[i]=NULL;
+ }
+
+ s->host = NULL;
+ s->port = 554; /* rtsp standard port */
+ s->path = NULL;
+ s->mrl = strdup(psz_mrl);
+
+ s->server = NULL;
+ s->server_state = 0;
+ s->server_caps = 0;
+
+ s->cseq = 0;
+ s->session = NULL;
+
+ if( psz_user_agent ) s->user_agent = strdup( psz_user_agent );
+ else s->user_agent = strdup( "User-Agent: RealMedia Player Version "
+ "6.0.9.1235 (linux-2.0-libc6-i386-gcc2.95)" );
+
+ slash = strchr( mrl_ptr, '/' );
+ colon = strchr( mrl_ptr, ':' );
+
+ if( !slash ) slash = mrl_ptr + strlen(mrl_ptr) + 1;
+ if( !colon ) colon = slash;
+ if( colon > slash ) colon = slash;
+
+ pathbegin = slash - mrl_ptr;
+ hostend = colon - mrl_ptr;
+
+ s->host = malloc(hostend+1);
+ strncpy( s->host, mrl_ptr, hostend );
+ s->host[hostend] = 0;
+
+ if( pathbegin < strlen(mrl_ptr) ) s->path = strdup(mrl_ptr+pathbegin+1);
+ if( colon != slash )
+ {
+ char buffer[pathbegin-hostend];
+
+ strncpy( buffer, mrl_ptr+hostend+1, pathbegin-hostend-1 );
+ buffer[pathbegin-hostend-1] = 0;
+ s->port = atoi(buffer);
+ if( s->port < 0 || s->port > 65535 ) s->port = 554;
+ }
+
+ fprintf( stderr, "got mrl: %s %i %s\n", s->host, s->port, s->path );
+
+ s->s = rtsp->pf_connect( rtsp->p_userdata, s->host, s->port );
+
+ if( s->s < 0 )
+ {
+ fprintf(stderr, "rtsp: failed to connect to '%s'\n", s->host);
+ rtsp_close( rtsp );
+ return -1;
+ }
+
+ s->server_state = RTSP_CONNECTED;
+
+ /* now lets send an options request. */
+ rtsp_schedule_field( rtsp, "CSeq: 1");
+ rtsp_schedule_field( rtsp, s->user_agent);
+ rtsp_schedule_field( rtsp, "ClientChallenge: "
+ "9e26d33f2984236010ef6253fb1887f7");
+ rtsp_schedule_field( rtsp, "PlayerStarttime: [28/03/2003:22:50:23 00:00]");
+ rtsp_schedule_field( rtsp, "CompanyID: KnKV4M4I/B2FjJ1TToLycw==" );
+ rtsp_schedule_field( rtsp, "GUID: 00000000-0000-0000-0000-000000000000" );
+ rtsp_schedule_field( rtsp, "RegionData: 0" );
+ rtsp_schedule_field( rtsp, "ClientID: "
+ "Linux_2.4_6.0.9.1235_play32_RN01_EN_586" );
+ /*rtsp_schedule_field( rtsp, "Pragma: initiate-session" );*/
+ rtsp_request_options( rtsp, NULL );
+
+ return 0;
+}
+
+/*
+ * closes an rtsp connection
+ */
+
+void rtsp_close( rtsp_client_t *rtsp )
+{
+ if( rtsp->p_private->server_state )
+ {
+ /* TODO: send a TEAROFF */
+ rtsp->pf_disconnect( rtsp->p_userdata );
+ }
+
+ if( rtsp->p_private->path ) free( rtsp->p_private->path );
+ if( rtsp->p_private->host ) free( rtsp->p_private->host );
+ if( rtsp->p_private->mrl ) free( rtsp->p_private->mrl );
+ if( rtsp->p_private->session ) free( rtsp->p_private->session );
+ if( rtsp->p_private->user_agent ) free( rtsp->p_private->user_agent );
+ rtsp_free_answers( rtsp );
+ rtsp_unschedule_all( rtsp );
+ free( rtsp->p_private );
+}
+
+/*
+ * search in answers for tags. returns a pointer to the content
+ * after the first matched tag. returns NULL if no match found.
+ */
+
+char *rtsp_search_answers( rtsp_client_t *rtsp, const char *tag )
+{
+ char **answer;
+ char *ptr;
+
+ if( !rtsp->p_private->answers ) return NULL;
+ answer = rtsp->p_private->answers;
+
+ while(*answer)
+ {
+ if( !strncasecmp( *answer, tag, strlen(tag) ) )
+ {
+ ptr = strchr(*answer, ':');
+ ptr++;
+ while( *ptr == ' ' ) ptr++;
+ return ptr;
+ }
+ answer++;
+ }
+
+ return NULL;
+}
+
+/*
+ * session id management
+ */
+
+void rtsp_set_session( rtsp_client_t *rtsp, const char *id )
+{
+ if( rtsp->p_private->session ) free( rtsp->p_private->session );
+ rtsp->p_private->session = strdup(id);
+}
+
+char *rtsp_get_session( rtsp_client_t *rtsp )
+{
+ return rtsp->p_private->session;
+}
+
+char *rtsp_get_mrl( rtsp_client_t *rtsp )
+{
+ return rtsp->p_private->mrl;
+}
+
+/*
+ * schedules a field for transmission
+ */
+
+void rtsp_schedule_field( rtsp_client_t *rtsp, const char *string )
+{
+ int i = 0;
+
+ if( !string ) return;
+
+ while( rtsp->p_private->scheduled[i] ) i++;
+
+ rtsp->p_private->scheduled[i] = strdup(string);
+}
+
+/*
+ * removes the first scheduled field which prefix matches string.
+ */
+
+void rtsp_unschedule_field( rtsp_client_t *rtsp, const char *string )
+{
+ char **ptr = rtsp->p_private->scheduled;
+
+ if( !string ) return;
+
+ while( *ptr )
+ {
+ if( !strncmp(*ptr, string, strlen(string)) ) break;
+ }
+ if( *ptr ) free( *ptr );
+ ptr++;
+ do
+ {
+ *(ptr-1) = *ptr;
+ } while( *ptr );
+}
+
+/*
+ * unschedule all fields
+ */
+
+void rtsp_unschedule_all( rtsp_client_t *rtsp )
+{
+ char **ptr;
+
+ if( !rtsp->p_private->scheduled ) return;
+ ptr = rtsp->p_private->scheduled;
+
+ while( *ptr )
+ {
+ free( *ptr );
+ *ptr = NULL;
+ ptr++;
+ }
+}
+/*
+ * free answers
+ */
+
+void rtsp_free_answers( rtsp_client_t *rtsp )
+{
+ char **answer;
+
+ if( !rtsp->p_private->answers ) return;
+ answer = rtsp->p_private->answers;
+
+ while( *answer )
+ {
+ free( *answer );
+ *answer = NULL;
+ answer++;
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2002-2003 the xine project
+ *
+ * This file is part of xine, a free video player.
+ *
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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 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
+ *
+ * $Id: rtsp.h,v 1.4 2003/12/09 00:02:31 f1rmb Exp $
+ *
+ * a minimalistic implementation of rtsp protocol,
+ * *not* RFC 2326 compilant yet.
+ */
+
+#ifndef HAVE_RTSP_H
+#define HAVE_RTSP_H
+
+/* some codes returned by rtsp_request_* functions */
+
+#define RTSP_STATUS_SET_PARAMETER 10
+#define RTSP_STATUS_OK 200
+
+typedef struct rtsp_s rtsp_t;
+
+typedef struct
+{
+ void *p_userdata;
+
+ int (*pf_connect)( void *p_userdata, char *p_server, int i_port );
+ int (*pf_disconnect)( void *p_userdata );
+ int (*pf_read)( void *p_userdata, uint8_t *p_buffer, int i_buffer );
+ int (*pf_read_line)( void *p_userdata, uint8_t *p_buffer, int i_buffer );
+ int (*pf_write)( void *p_userdata, uint8_t *p_buffer, int i_buffer );
+
+ rtsp_t *p_private;
+
+} rtsp_client_t;
+
+int rtsp_connect( rtsp_client_t *, const char *mrl, const char *user_agent );
+
+int rtsp_request_options( rtsp_client_t *, const char *what );
+int rtsp_request_describe( rtsp_client_t *, const char *what );
+int rtsp_request_setup( rtsp_client_t *, const char *what );
+int rtsp_request_setparameter( rtsp_client_t *, const char *what );
+int rtsp_request_play( rtsp_client_t *, const char *what );
+int rtsp_request_tearoff( rtsp_client_t *, const char *what );
+
+int rtsp_send_ok( rtsp_client_t * );
+
+int rtsp_read_data( rtsp_client_t *, char *buffer, unsigned int size );
+
+char* rtsp_search_answers( rtsp_client_t *, const char *tag );
+void rtsp_free_answers( rtsp_client_t * );
+
+void rtsp_add_to_payload( char **payload, const char *string );
+
+int rtsp_read( rtsp_client_t *, char *data, int len );
+void rtsp_close( rtsp_client_t * );
+
+void rtsp_set_session( rtsp_client_t *, const char *id );
+char *rtsp_get_session( rtsp_client_t * );
+
+char *rtsp_get_mrl( rtsp_client_t * );
+
+/* int rtsp_peek_header( rtsp_client_t *, char *data ); */
+
+void rtsp_schedule_field( rtsp_client_t *, const char *string );
+void rtsp_unschedule_field( rtsp_client_t *, const char *string );
+void rtsp_unschedule_all( rtsp_client_t * );
+
+#endif
+
projects / vlc / commitdiff