[Mplayer-cvslog] CVS: main/libmpdemux/realrtsp asmrp.c,NONE,1.1 asmrp.h,NONE,1.1 real.c,NONE,1.1 real.h,NONE,1.1 rmff.c,NONE,1.1 rmff.h,NONE,1.1 rtsp.c,NONE,1.1 rtsp.h,NONE,1.1 rtsp_session.c,NONE,1.1 rtsp_session.h,NONE,1.1 sdpplin.c,NONE,1.1 sdpplin.h,NONE,1.1 xbuffer.c,NONE,1.1 xbuffer.h,NONE,1.1
Roberto Togni CVS
rtognimp at mplayerhq.hu
Thu Apr 17 22:39:08 CEST 2003
Update of /cvsroot/mplayer/main/libmpdemux/realrtsp
In directory mail:/var/tmp.root/cvs-serv21232
Added Files:
asmrp.c asmrp.h real.c real.h rmff.c rmff.h rtsp.c rtsp.h
rtsp_session.c rtsp_session.h sdpplin.c sdpplin.h xbuffer.c
xbuffer.h
Log Message:
Real rstp:// streaming support, ported from xine
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS asmrp.c,v 1.2 2002/12/17 16:49:48
*/
/*
* Copyright (C) 2002 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
*
*
* 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
/*
#define LOG
*/
#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++;
#ifdef LOG
printf ("%c\n", p->ch);
#endif
}
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);
#ifdef LOG
printf ("new symbol '%s'\n", s);
#endif
}
p->sym_tab[i].v = v;
#ifdef LOG
printf ("symbol '%s' assigned %d\n", s, v);
#endif
return i;
}
static int asmrp_condition (asmrp_t *p) ;
static int asmrp_operand (asmrp_t *p) {
int i, ret;
#ifdef LOG
printf ("operand\n");
#endif
ret = 0;
switch (p->sym) {
case ASMRP_SYM_DOLLAR:
asmrp_get_sym (p);
if (p->sym != ASMRP_SYM_ID) {
printf ("error: identifier expected.\n");
abort();
}
i = asmrp_find_id (p, p->str);
if (i<0) {
printf ("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");
abort();
}
asmrp_get_sym (p);
break;
default:
printf ("syntax error, $ number or ( expected\n");
abort();
}
#ifdef LOG
printf ("operand done, =%d\n", ret);
#endif
return ret;
}
static int asmrp_comp_expression (asmrp_t *p) {
int a;
#ifdef LOG
printf ("comp_expression\n");
#endif
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;
}
}
#ifdef LOG
printf ("comp_expression done = %d\n", a);
#endif
return a;
}
static int asmrp_condition (asmrp_t *p) {
int a;
#ifdef LOG
printf ("condition\n");
#endif
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;
}
}
#ifdef LOG
printf ("condition done = %d\n", a);
#endif
return a;
}
static void asmrp_assignment (asmrp_t *p) {
#ifdef LOG
printf ("assignment\n");
#endif
if (p->sym != ASMRP_SYM_ID) {
printf ("error: identifier expected\n");
abort ();
}
asmrp_get_sym (p);
if (p->sym != ASMRP_SYM_EQUALS) {
printf ("error: = expected\n");
abort ();
}
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");
abort ();
}
asmrp_get_sym (p);
#ifdef LOG
printf ("assignment done\n");
#endif
}
static int asmrp_rule (asmrp_t *p) {
int ret;
#ifdef LOG
printf ("rule\n");
#endif
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);
}
}
#ifdef LOG
printf ("rule done = %d\n", ret);
#endif
if (p->sym != ASMRP_SYM_SEMICOLON) {
printf ("semicolon expected.\n");
abort ();
}
asmrp_get_sym (p);
return ret;
}
static int asmrp_eval (asmrp_t *p, int *matches) {
int rule_num, num_matches;
#ifdef LOG
printf ("eval\n");
#endif
asmrp_get_sym (p);
rule_num = 0; num_matches = 0;
while (p->sym != ASMRP_SYM_EOF) {
if (asmrp_rule (p)) {
#ifdef LOG
printf ("rule #%d is true\n", rule_num);
#endif
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;
}
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS asmrp.h,v 1.1 2002/12/12 22:14:54
*/
/*
* Copyright (C) 2002 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
*
*
* a parser for real's asm rules
*
* grammar for these rules:
*
rule_book = { '#' rule ';'}
rule = condition {',' assignment}
assignment = id '=' const
const = ( number | string )
condition = comp_expr { ( '&&' | '||' ) comp_expr }
comp_expr = operand { ( '<' | '<=' | '==' | '>=' | '>' ) operand }
operand = ( '$' id | num | '(' condition ')' )
*/
#ifndef HAVE_ASMRP_H
#define HAVE_ASMRP_H
int asmrp_match (const char *rules, int bandwidth, int *matches) ;
#endif
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS real.c,v 1.8 2003/03/30 17:11:50
*/
/*
* Copyright (C) 2002 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
*
*
* special functions for real streams.
* adopted from joschkas real tools.
*
*/
#include <stdio.h>
#include <string.h>
#include "real.h"
#include "asmrp.h"
#include "sdpplin.h"
/*
#define LOG
*/
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_32C(x,y) x[3]=(char)(y & 0xff);\
x[2]=(char)((y >> 8) & 0xff);\
x[1]=(char)((y >> 16) & 0xff);\
x[0]=(char)((y >> 24) & 0xff);
#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])
#define MAX(x,y) ((x>y) ? x : y)
#ifdef LOG
static void hexdump (const char *buf, int length) {
int i;
printf (" hexdump> ");
for (i = 0; i < length; i++) {
unsigned char c = buf[i];
printf ("%02x", c);
if ((i % 16) == 15)
printf ("\n ");
if ((i % 2) == 1)
printf (" ");
}
printf ("\n");
}
#endif
static void hash(char *field, char *param) {
uint32_t a, b, c, d;
/* fill variables */
memcpy(&a, field, sizeof(uint32_t));
memcpy(&b, &field[4], sizeof(uint32_t));
memcpy(&c, &field[8], sizeof(uint32_t));
memcpy(&d, &field[12], sizeof(uint32_t));
#ifdef LOG
printf("real: hash input: %x %x %x %x\n", a, b, c, d);
printf("real: hash parameter:\n");
hexdump(param, 64);
#endif
a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x00)) + a - 0x28955B88;
a = ((a << 0x07) | (a >> 0x19)) + b;
d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x04)) + d - 0x173848AA;
d = ((d << 0x0c) | (d >> 0x14)) + a;
c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x08)) + c + 0x242070DB;
c = ((c << 0x11) | (c >> 0x0f)) + d;
b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x0c)) + b - 0x3E423112;
b = ((b << 0x16) | (b >> 0x0a)) + c;
a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x10)) + a - 0x0A83F051;
a = ((a << 0x07) | (a >> 0x19)) + b;
d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x14)) + d + 0x4787C62A;
d = ((d << 0x0c) | (d >> 0x14)) + a;
c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x18)) + c - 0x57CFB9ED;
c = ((c << 0x11) | (c >> 0x0f)) + d;
b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x1c)) + b - 0x02B96AFF;
b = ((b << 0x16) | (b >> 0x0a)) + c;
a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x20)) + a + 0x698098D8;
a = ((a << 0x07) | (a >> 0x19)) + b;
d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x24)) + d - 0x74BB0851;
d = ((d << 0x0c) | (d >> 0x14)) + a;
c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x28)) + c - 0x0000A44F;
c = ((c << 0x11) | (c >> 0x0f)) + d;
b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x2C)) + b - 0x76A32842;
b = ((b << 0x16) | (b >> 0x0a)) + c;
a = ((b & c) | (~b & d)) + *((uint32_t*)(param+0x30)) + a + 0x6B901122;
a = ((a << 0x07) | (a >> 0x19)) + b;
d = ((a & b) | (~a & c)) + *((uint32_t*)(param+0x34)) + d - 0x02678E6D;
d = ((d << 0x0c) | (d >> 0x14)) + a;
c = ((d & a) | (~d & b)) + *((uint32_t*)(param+0x38)) + c - 0x5986BC72;
c = ((c << 0x11) | (c >> 0x0f)) + d;
b = ((c & d) | (~c & a)) + *((uint32_t*)(param+0x3c)) + b + 0x49B40821;
b = ((b << 0x16) | (b >> 0x0a)) + c;
a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x04)) + a - 0x09E1DA9E;
a = ((a << 0x05) | (a >> 0x1b)) + b;
d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x18)) + d - 0x3FBF4CC0;
d = ((d << 0x09) | (d >> 0x17)) + a;
c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x2c)) + c + 0x265E5A51;
c = ((c << 0x0e) | (c >> 0x12)) + d;
b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x00)) + b - 0x16493856;
b = ((b << 0x14) | (b >> 0x0c)) + c;
a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x14)) + a - 0x29D0EFA3;
a = ((a << 0x05) | (a >> 0x1b)) + b;
d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x28)) + d + 0x02441453;
d = ((d << 0x09) | (d >> 0x17)) + a;
c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x3c)) + c - 0x275E197F;
c = ((c << 0x0e) | (c >> 0x12)) + d;
b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x10)) + b - 0x182C0438;
b = ((b << 0x14) | (b >> 0x0c)) + c;
a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x24)) + a + 0x21E1CDE6;
a = ((a << 0x05) | (a >> 0x1b)) + b;
d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x38)) + d - 0x3CC8F82A;
d = ((d << 0x09) | (d >> 0x17)) + a;
c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x0c)) + c - 0x0B2AF279;
c = ((c << 0x0e) | (c >> 0x12)) + d;
b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x20)) + b + 0x455A14ED;
b = ((b << 0x14) | (b >> 0x0c)) + c;
a = ((b & d) | (~d & c)) + *((uint32_t*)(param+0x34)) + a - 0x561C16FB;
a = ((a << 0x05) | (a >> 0x1b)) + b;
d = ((a & c) | (~c & b)) + *((uint32_t*)(param+0x08)) + d - 0x03105C08;
d = ((d << 0x09) | (d >> 0x17)) + a;
c = ((d & b) | (~b & a)) + *((uint32_t*)(param+0x1c)) + c + 0x676F02D9;
c = ((c << 0x0e) | (c >> 0x12)) + d;
b = ((c & a) | (~a & d)) + *((uint32_t*)(param+0x30)) + b - 0x72D5B376;
b = ((b << 0x14) | (b >> 0x0c)) + c;
a = (b ^ c ^ d) + *((uint32_t*)(param+0x14)) + a - 0x0005C6BE;
a = ((a << 0x04) | (a >> 0x1c)) + b;
d = (a ^ b ^ c) + *((uint32_t*)(param+0x20)) + d - 0x788E097F;
d = ((d << 0x0b) | (d >> 0x15)) + a;
c = (d ^ a ^ b) + *((uint32_t*)(param+0x2c)) + c + 0x6D9D6122;
c = ((c << 0x10) | (c >> 0x10)) + d;
b = (c ^ d ^ a) + *((uint32_t*)(param+0x38)) + b - 0x021AC7F4;
b = ((b << 0x17) | (b >> 0x09)) + c;
a = (b ^ c ^ d) + *((uint32_t*)(param+0x04)) + a - 0x5B4115BC;
a = ((a << 0x04) | (a >> 0x1c)) + b;
d = (a ^ b ^ c) + *((uint32_t*)(param+0x10)) + d + 0x4BDECFA9;
d = ((d << 0x0b) | (d >> 0x15)) + a;
c = (d ^ a ^ b) + *((uint32_t*)(param+0x1c)) + c - 0x0944B4A0;
c = ((c << 0x10) | (c >> 0x10)) + d;
b = (c ^ d ^ a) + *((uint32_t*)(param+0x28)) + b - 0x41404390;
b = ((b << 0x17) | (b >> 0x09)) + c;
a = (b ^ c ^ d) + *((uint32_t*)(param+0x34)) + a + 0x289B7EC6;
a = ((a << 0x04) | (a >> 0x1c)) + b;
d = (a ^ b ^ c) + *((uint32_t*)(param+0x00)) + d - 0x155ED806;
d = ((d << 0x0b) | (d >> 0x15)) + a;
c = (d ^ a ^ b) + *((uint32_t*)(param+0x0c)) + c - 0x2B10CF7B;
c = ((c << 0x10) | (c >> 0x10)) + d;
b = (c ^ d ^ a) + *((uint32_t*)(param+0x18)) + b + 0x04881D05;
b = ((b << 0x17) | (b >> 0x09)) + c;
a = (b ^ c ^ d) + *((uint32_t*)(param+0x24)) + a - 0x262B2FC7;
a = ((a << 0x04) | (a >> 0x1c)) + b;
d = (a ^ b ^ c) + *((uint32_t*)(param+0x30)) + d - 0x1924661B;
d = ((d << 0x0b) | (d >> 0x15)) + a;
c = (d ^ a ^ b) + *((uint32_t*)(param+0x3c)) + c + 0x1fa27cf8;
c = ((c << 0x10) | (c >> 0x10)) + d;
b = (c ^ d ^ a) + *((uint32_t*)(param+0x08)) + b - 0x3B53A99B;
b = ((b << 0x17) | (b >> 0x09)) + c;
a = ((~d | b) ^ c) + *((uint32_t*)(param+0x00)) + a - 0x0BD6DDBC;
a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + *((uint32_t*)(param+0x1c)) + d + 0x432AFF97;
d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + *((uint32_t*)(param+0x38)) + c - 0x546BDC59;
c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + *((uint32_t*)(param+0x14)) + b - 0x036C5FC7;
b = ((b << 0x15) | (b >> 0x0b)) + c;
a = ((~d | b) ^ c) + *((uint32_t*)(param+0x30)) + a + 0x655B59C3;
a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + *((uint32_t*)(param+0x0C)) + d - 0x70F3336E;
d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + *((uint32_t*)(param+0x28)) + c - 0x00100B83;
c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + *((uint32_t*)(param+0x04)) + b - 0x7A7BA22F;
b = ((b << 0x15) | (b >> 0x0b)) + c;
a = ((~d | b) ^ c) + *((uint32_t*)(param+0x20)) + a + 0x6FA87E4F;
a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + *((uint32_t*)(param+0x3c)) + d - 0x01D31920;
d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + *((uint32_t*)(param+0x18)) + c - 0x5CFEBCEC;
c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + *((uint32_t*)(param+0x34)) + b + 0x4E0811A1;
b = ((b << 0x15) | (b >> 0x0b)) + c;
a = ((~d | b) ^ c) + *((uint32_t*)(param+0x10)) + a - 0x08AC817E;
a = ((a << 0x06) | (a >> 0x1a)) + b;
d = ((~c | a) ^ b) + *((uint32_t*)(param+0x2c)) + d - 0x42C50DCB;
d = ((d << 0x0a) | (d >> 0x16)) + a;
c = ((~b | d) ^ a) + *((uint32_t*)(param+0x08)) + c + 0x2AD7D2BB;
c = ((c << 0x0f) | (c >> 0x11)) + d;
b = ((~a | c) ^ d) + *((uint32_t*)(param+0x24)) + b - 0x14792C6F;
b = ((b << 0x15) | (b >> 0x0b)) + c;
#ifdef LOG
printf("real: hash output: %x %x %x %x\n", a, b, c, d);
#endif
*((uint32_t *)(field+0)) += a;
*((uint32_t *)(field+4)) += b;
*((uint32_t *)(field+8)) += c;
*((uint32_t *)(field+12)) += d;
}
static void call_hash (char *key, char *challenge, int len) {
uint32_t *ptr1, *ptr2;
uint32_t a, b, c, d;
ptr1=(uint32_t*)(key+16);
ptr2=(uint32_t*)(key+20);
a = *ptr1;
b = (a >> 3) & 0x3f;
a += len * 8;
*ptr1 = a;
if (a < (len << 3))
{
#ifdef LOG
printf("not verified: (len << 3) > a true\n");
#endif
ptr2 += 4;
}
*ptr2 += (len >> 0x1d);
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 ) {
#ifdef LOG
printf("not verified: while ( d < len )\n");
#endif
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 = ( *((uint32_t*)(buf2)) >> 3 ) & 0x3f;
if (i < 56) {
i = 56 - i;
} else {
#ifdef LOG
printf("not verified: ! (i < 56)\n");
#endif
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'))
{
#ifdef LOG
printf("libreal: MLTI tag not detected, copying data\n");
#endif
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) {
printf("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);
#ifdef LOG
hexdump(mlti_chunk+4, size);
#endif
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[2048];
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;
header=calloc(1,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=calloc(1,sizeof(rmff_mdpr_t*)*(desc->stream_count+1));
#ifdef LOG
printf("number of streams: %u\n", desc->stream_count);
#endif
for (i=0; i<desc->stream_count; i++) {
int j=0;
int n;
char b[64];
int rulematches[16];
#ifdef LOG
printf("calling asmrp_match with:\n%s\n%u\n", desc->stream[i]->asm_rule_book, bandwidth);
#endif
n=asmrp_match(desc->stream[i]->asm_rule_book, bandwidth, rulematches);
for (j=0; j<n; j++) {
#ifdef LOG
printf("asmrp rule match: %u for stream %u\n", rulematches[j], desc->stream[i]->stream_id);
#endif
sprintf(b,"stream=%u;rule=%u,", desc->stream[i]->stream_id, rulematches[j]);
strcat(stream_rules, b);
}
if (!desc->stream[i]->mlti_data) return NULL;
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)
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);
return header;
}
int real_get_rdt_chunk(rtsp_t *rtsp_session, 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)
{
printf("rdt chunk not recognized: got 0x%02x\n", header[0]);
return 0;
}
size=(header[1]<<12)+(header[2]<<8)+(header[3]);
flags1=header[4];
if ((flags1!=0x40)&&(flags1!=0x42))
{
#ifdef LOG
printf("got flags1: 0x%02x\n",flags1);
#endif
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;
#ifdef LOG
printf("ignoring bytes:\n");
hexdump(header, 8);
#endif
n=rtsp_read_data(rtsp_session, header+4, 4);
if (n<4) return 0;
flags1=header[4];
size-=9;
}
unknown1=(header[5]<<12)+(header[6]<<8)+(header[7]);
n=rtsp_read_data(rtsp_session, header, 6);
if (n<6) return 0;
ts=BE_32(header);
#ifdef LOG
printf("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? */
rmff_dump_pheader(&ph, buffer);
size-=12;
n=rtsp_read_data(rtsp_session, buffer+12, size);
return n+12;
}
rmff_header_t *real_setup_and_get_header(rtsp_t *rtsp_session, uint32_t bandwidth) {
char *description=NULL;
char *session_id=NULL;
rmff_header_t *h;
char *challenge1;
char challenge2[64];
char checksum[34];
char subscribe[256];
char buf[256];
char *mrl=rtsp_get_mrl(rtsp_session);
unsigned int size;
int status;
/* get challenge */
challenge1=strdup(rtsp_search_answers(rtsp_session,"RealChallenge1"));
#ifdef LOG
printf("real: Challenge1: %s\n", challenge1);
#endif
/* 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) {
printf("real: got message from server:\n%s\n", alert);
}
rtsp_send_ok(rtsp_session);
return NULL;
}
/* receive description */
size=0;
if (!rtsp_search_answers(rtsp_session,"Content-length"))
printf("real: got no Content-length!\n");
else
size=atoi(rtsp_search_answers(rtsp_session,"Content-length"));
if (!rtsp_search_answers(rtsp_session,"ETag"))
printf("real: got no ETag!\n");
else
session_id=strdup(rtsp_search_answers(rtsp_session,"ETag"));
#ifdef LOG
printf("real: Stream description size: %i\n", size);
#endif
description=malloc(sizeof(char)*(size+1));
rtsp_read_data(rtsp_session, description, size);
description[size]=0;
/* parse sdp (sdpplin) and create a header and a subscribe string */
strcpy(subscribe, "Subscribe: ");
h=real_parse_sdp(description, subscribe+11, bandwidth);
if (!h) return NULL;
rmff_fix_header(h);
#ifdef LOG
printf("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);
sprintf(buf, "RealChallenge2: %s, sd=%s", challenge2, checksum);
rtsp_schedule_field(rtsp_session, buf);
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");
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");
sprintf(buf, "If-Match: %s", session_id);
rtsp_schedule_field(rtsp_session, buf);
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);
return h;
}
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS real.h,v 1.2 2002/12/24 01:30:22
*/
/*
* Copyright (C) 2002 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
*
*
* special functions for real streams.
* adopted from joschkas real tools.
*
*/
#ifndef HAVE_REAL_H
#define HAVE_REAL_H
#include "rmff.h"
#include "rtsp.h"
#ifdef __CYGWIN__
#define uint32_t unsigned int
#define uint16_t unsigned short int
#define uint8_t unsigned char
#endif
/*
* calculates response and checksum of a given challenge
* (RealChallenge1 in rtsp). See implementation for details.
*/
void real_calc_response_and_checksum (char *response, char *chksum, char *challenge);
int real_get_rdt_chunk(rtsp_t *rtsp_session, char *buffer);
rmff_header_t *real_parse_sdp(char *data, char *stream_rules, uint32_t bandwidth);
rmff_header_t *real_setup_and_get_header(rtsp_t *rtsp_session, uint32_t bandwidth);
#endif
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS rmff.c,v 1.3 2002/12/24 01:30:22
*/
/*
* Copyright (C) 2002 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
*
*
* functions for real media file format
* adopted from joschkas real tools
*/
#include "rmff.h"
#include "xbuffer.h"
/*
#define LOG
*/
#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])
static void hexdump (const char *buf, int length) {
int i;
printf ("rmff: ascii>");
for (i = 0; i < length; i++) {
unsigned char c = buf[i];
if ((c >= 32) && (c <= 128))
printf ("%c", c);
else
printf (".");
}
printf ("\n");
printf ("rmff: hexdump> ");
for (i = 0; i < length; i++) {
unsigned char c = buf[i];
printf ("%02x", c);
if ((i % 16) == 15)
printf ("\nrmff: ");
if ((i % 2) == 1)
printf (" ");
}
printf ("\n");
}
/*
* 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;
}
static rmff_fileheader_t *rmff_scan_fileheader(const char *data) {
rmff_fileheader_t *fileheader=malloc(sizeof(rmff_fileheader_t));
fileheader->object_id=BE_32(data);
fileheader->size=BE_32(&data[4]);
fileheader->object_version=BE_16(&data[8]);
if (fileheader->object_version != 0)
{
printf("warning: unknown object version in .RMF: 0x%04x\n",
fileheader->object_version);
}
fileheader->file_version=BE_32(&data[10]);
fileheader->num_headers=BE_32(&data[14]);
return fileheader;
}
static rmff_prop_t *rmff_scan_prop(const char *data) {
rmff_prop_t *prop=malloc(sizeof(rmff_prop_t));
prop->object_id=BE_32(data);
prop->size=BE_32(&data[4]);
prop->object_version=BE_16(&data[8]);
if (prop->object_version != 0)
{
printf("warning: unknown object version in PROP: 0x%04x\n",
prop->object_version);
}
prop->max_bit_rate=BE_32(&data[10]);
prop->avg_bit_rate=BE_32(&data[14]);
prop->max_packet_size=BE_32(&data[18]);
prop->avg_packet_size=BE_32(&data[22]);
prop->num_packets=BE_32(&data[26]);
prop->duration=BE_32(&data[30]);
prop->preroll=BE_32(&data[34]);
prop->index_offset=BE_32(&data[38]);
prop->data_offset=BE_32(&data[42]);
prop->num_streams=BE_16(&data[46]);
prop->flags=BE_16(&data[48]);
return prop;
}
static rmff_mdpr_t *rmff_scan_mdpr(const char *data) {
rmff_mdpr_t *mdpr=malloc(sizeof(rmff_mdpr_t));
mdpr->object_id=BE_32(data);
mdpr->size=BE_32(&data[4]);
mdpr->object_version=BE_16(&data[8]);
if (mdpr->object_version != 0)
{
printf("warning: unknown object version in MDPR: 0x%04x\n",
mdpr->object_version);
}
mdpr->stream_number=BE_16(&data[10]);
mdpr->max_bit_rate=BE_32(&data[12]);
mdpr->avg_bit_rate=BE_32(&data[16]);
mdpr->max_packet_size=BE_32(&data[20]);
mdpr->avg_packet_size=BE_32(&data[24]);
mdpr->start_time=BE_32(&data[28]);
mdpr->preroll=BE_32(&data[32]);
mdpr->duration=BE_32(&data[36]);
mdpr->stream_name_size=data[40];
mdpr->stream_name=malloc(sizeof(char)*(mdpr->stream_name_size+1));
memcpy(mdpr->stream_name, &data[41], mdpr->stream_name_size);
mdpr->stream_name[mdpr->stream_name_size]=0;
mdpr->mime_type_size=data[41+mdpr->stream_name_size];
mdpr->mime_type=malloc(sizeof(char)*(mdpr->mime_type_size+1));
memcpy(mdpr->mime_type, &data[42+mdpr->stream_name_size], mdpr->mime_type_size);
mdpr->mime_type[mdpr->mime_type_size]=0;
mdpr->type_specific_len=BE_32(&data[42+mdpr->stream_name_size+mdpr->mime_type_size]);
mdpr->type_specific_data=malloc(sizeof(char)*(mdpr->type_specific_len));
memcpy(mdpr->type_specific_data,
&data[46+mdpr->stream_name_size+mdpr->mime_type_size], mdpr->type_specific_len);
return mdpr;
}
static rmff_cont_t *rmff_scan_cont(const char *data) {
rmff_cont_t *cont=malloc(sizeof(rmff_cont_t));
int pos;
cont->object_id=BE_32(data);
cont->size=BE_32(&data[4]);
cont->object_version=BE_16(&data[8]);
if (cont->object_version != 0)
{
printf("warning: unknown object version in CONT: 0x%04x\n",
cont->object_version);
}
cont->title_len=BE_16(&data[10]);
cont->title=malloc(sizeof(char)*(cont->title_len+1));
memcpy(cont->title, &data[12], cont->title_len);
cont->title[cont->title_len]=0;
pos=cont->title_len+12;
cont->author_len=BE_16(&data[pos]);
cont->author=malloc(sizeof(char)*(cont->author_len+1));
memcpy(cont->author, &data[pos+2], cont->author_len);
cont->author[cont->author_len]=0;
pos=pos+2+cont->author_len;
cont->copyright_len=BE_16(&data[pos]);
cont->copyright=malloc(sizeof(char)*(cont->copyright_len+1));
memcpy(cont->copyright, &data[pos+2], cont->copyright_len);
cont->copyright[cont->copyright_len]=0;
pos=pos+2+cont->copyright_len;
cont->comment_len=BE_16(&data[pos]);
cont->comment=malloc(sizeof(char)*(cont->comment_len+1));
memcpy(cont->comment, &data[pos+2], cont->comment_len);
cont->comment[cont->comment_len]=0;
return cont;
}
static rmff_data_t *rmff_scan_dataheader(const char *data) {
rmff_data_t *dh=malloc(sizeof(rmff_data_t));
dh->object_id=BE_32(data);
dh->size=BE_32(&data[4]);
dh->object_version=BE_16(&data[8]);
if (dh->object_version != 0)
{
printf("warning: unknown object version in DATA: 0x%04x\n",
dh->object_version);
}
dh->num_packets=BE_32(&data[10]);
dh->next_data_header=BE_32(&data[14]);
return dh;
}
rmff_header_t *rmff_scan_header(const char *data) {
rmff_header_t *header=malloc(sizeof(rmff_header_t));
rmff_mdpr_t *mdpr=NULL;
int chunk_size;
uint32_t chunk_type;
const char *ptr=data;
int i;
header->fileheader=NULL;
header->prop=NULL;
header->cont=NULL;
header->data=NULL;
chunk_type = BE_32(ptr);
if (chunk_type != RMF_TAG)
{
printf("rmff: not an real media file header (.RMF tag not found).\n");
free(header);
return NULL;
}
header->fileheader=rmff_scan_fileheader(ptr);
ptr += header->fileheader->size;
header->streams=malloc(sizeof(rmff_mdpr_t*)*(header->fileheader->num_headers));
for (i=0; i<header->fileheader->num_headers; i++) {
header->streams[i]=NULL;
}
for (i=1; i<header->fileheader->num_headers; i++) {
chunk_type = BE_32(ptr);
if (ptr[0] == 0)
{
printf("rmff: warning: only %d of %d header found.\n", i, header->fileheader->num_headers);
break;
}
chunk_size=1;
switch (chunk_type) {
case PROP_TAG:
header->prop=rmff_scan_prop(ptr);
chunk_size=header->prop->size;
break;
case MDPR_TAG:
mdpr=rmff_scan_mdpr(ptr);
chunk_size=mdpr->size;
header->streams[mdpr->stream_number]=mdpr;
break;
case CONT_TAG:
header->cont=rmff_scan_cont(ptr);
chunk_size=header->cont->size;
break;
case DATA_TAG:
header->data=rmff_scan_dataheader(ptr);
chunk_size=34; /* hard coded header size */
break;
default:
printf("unknown chunk\n");
hexdump(ptr,10);
chunk_size=1;
break;
}
ptr+=chunk_size;
}
return header;
}
rmff_header_t *rmff_scan_header_stream(int fd) {
rmff_header_t *header;
char *buf=xbuffer_init(1024);
int index=0;
uint32_t chunk_type;
uint32_t chunk_size;
do {
buf = xbuffer_ensure_size(buf, index+8);
read(fd, buf+index, 8);
chunk_type=BE_32(buf+index); index+=4;
chunk_size=BE_32(buf+index); index+=4;
switch (chunk_type) {
case DATA_TAG:
chunk_size=18;
case MDPR_TAG:
case CONT_TAG:
case RMF_TAG:
case PROP_TAG:
buf = xbuffer_ensure_size(buf, index+chunk_size-8);
read(fd, buf+index, (chunk_size-8));
index+=(chunk_size-8);
break;
default:
printf("rmff_scan_header_stream: unknown chunk");
hexdump(buf+index-8, 8);
chunk_type=DATA_TAG;
}
} while (chunk_type != DATA_TAG);
header = rmff_scan_header(buf);
xbuffer_free(buf);
return header;
}
void rmff_scan_pheader(rmff_pheader_t *h, char *data) {
h->object_version=BE_16(data);
h->length=BE_16(data+2);
h->stream_number=BE_16(data+4);
h->timestamp=BE_32(data+6);
h->reserved=(uint8_t)data[10];
h->flags=(uint8_t)data[11];
}
rmff_fileheader_t *rmff_new_fileheader(uint32_t num_headers) {
rmff_fileheader_t *fileheader=malloc(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));
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));
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));
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));
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");
hexdump((*stream)->type_specific_data, (*stream)->type_specific_len);
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) {
printf("rmff_fix_header: fatal: no header given.\n");
return;
}
if (!h->streams) {
printf("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)
{
#ifdef LOG
printf("rmff_fix_header: correcting prop.size from %i to %i\n", h->prop->size, 50);
#endif
h->prop->size=50;
}
if (h->prop->num_streams != num_streams)
{
#ifdef LOG
printf("rmff_fix_header: correcting prop.num_streams from %i to %i\n", h->prop->num_streams, num_streams);
#endif
h->prop->num_streams=num_streams;
}
num_headers++;
header_size+=50;
} else
printf("rmff_fix_header: warning: no PROP chunk.\n");
if (h->cont) {
num_headers++;
header_size+=h->cont->size;
} else
printf("rmff_fix_header: warning: no CONT chunk.\n");
if (!h->data) {
#ifdef LOG
printf("rmff_fix_header: no DATA chunk, creating one\n");
#endif
h->data=malloc(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) {
#ifdef LOG
printf("rmff_fix_header: no fileheader, creating one");
#endif
h->fileheader=malloc(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) {
#ifdef LOG
printf("rmff_fix_header: setting num_headers from %i to %i\n", h->fileheader->num_headers, num_headers);
#endif
h->fileheader->num_headers=num_headers;
}
if(h->prop) {
if (h->prop->data_offset != header_size) {
#ifdef LOG
printf("rmff_fix_header: setting prop.data_offset from %i to %i\n", h->prop->data_offset, header_size);
#endif
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);
#ifdef LOG
printf("rmff_fix_header: assuming prop.num_packets=%i\n", p);
#endif
h->prop->num_packets=p;
}
if (h->data->num_packets == 0) {
#ifdef LOG
printf("rmff_fix_header: assuming data.num_packets=%i\n", h->prop->num_packets);
#endif
h->data->num_packets=h->prop->num_packets;
}
#ifdef LOG
printf("rmff_fix_header: assuming data.size=%i\n", h->prop->num_packets*h->prop->avg_packet_size);
#endif
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);
}
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS rmff.h,v 1.3 2003/02/10 22:11:10
*/
/*
* Copyright (C) 2002 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
*
*
* some functions for real media file headers
* adopted from joschkas real tools
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#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
#ifdef __CYGWIN__
#define uint32_t unsigned int
#define uint16_t unsigned short int
#define uint8_t unsigned char
#endif
/*
* 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
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS rtsp.c,v 1.9 2003/04/10 02:30:48
*/
/*
* Copyright (C) 2000-2002 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
*
*
* a minimalistic implementation of rtsp protocol,
* *not* RFC 2326 compilant yet.
*/
#include <unistd.h>
#include <stdio.h>
#include <assert.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include "rtsp.h"
/*
#define LOG
*/
#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;
char buffer[BUF_SIZE]; /* scratch buffer */
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
/*
* network utilities
*/
static int host_connect_attempt(struct in_addr ia, int port) {
int s;
struct sockaddr_in sin;
s = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (s == -1) {
printf ("rtsp: socket(): %s\n", strerror(errno));
return -1;
}
sin.sin_family = AF_INET;
sin.sin_addr = ia;
sin.sin_port = htons(port);
if (connect(s, (struct sockaddr *)&sin, sizeof(sin))==-1
&& errno != EINPROGRESS) {
printf ("rtsp: connect(): %s\n", strerror(errno));
close(s);
return -1;
}
return s;
}
static int host_connect(const char *host, int port) {
struct hostent *h;
int i, s;
h = gethostbyname(host);
if (h == NULL) {
printf ("rtsp: unable to resolve '%s'.\n", host);
return -1;
}
for (i = 0; h->h_addr_list[i]; i++) {
struct in_addr ia;
memcpy (&ia, h->h_addr_list[i], 4);
s = host_connect_attempt(ia, port);
if(s != -1)
return s;
}
printf ("rtsp: unable to connect to '%s'.\n", host);
return -1;
}
static int write_stream(int s, const char *buf, int len) {
int total, timeout;
total = 0; timeout = 30;
while (total < len){
int n;
n = write (s, &buf[total], len - total);
if (n > 0)
total += n;
else if (n < 0) {
if ((timeout>0) && ((errno == EAGAIN) || (errno == EINPROGRESS))) {
sleep (1); timeout--;
} else
return -1;
}
}
return total;
}
static ssize_t read_stream(int fd, void *buf, size_t count) {
ssize_t ret, total;
total = 0;
while (total < count) {
ret=read (fd, ((uint8_t*)buf)+total, count-total);
if (ret<0) {
if(errno == EAGAIN) {
fd_set rset;
struct timeval timeout;
FD_ZERO (&rset);
FD_SET (fd, &rset);
timeout.tv_sec = 30;
timeout.tv_usec = 0;
if (select (fd+1, &rset, NULL, NULL, &timeout) <= 0) {
return -1;
}
continue;
}
printf ("rtsp: read error.\n");
return ret;
} else
total += ret;
/* end of stream */
if (!ret) break;
}
return total;
}
/*
* debugging utilities
*/
#if 0
static void hexdump (char *buf, int length) {
int i;
printf ("rtsp: ascii>");
for (i = 0; i < length; i++) {
unsigned char c = buf[i];
if ((c >= 32) && (c <= 128))
printf ("%c", c);
else
printf (".");
}
printf ("\n");
printf ("rtsp: hexdump> ");
for (i = 0; i < length; i++) {
unsigned char c = buf[i];
printf ("%02x", c);
if ((i % 16) == 15)
printf ("\nrtsp: ");
if ((i % 2) == 1)
printf (" ");
}
printf ("\n");
}
#endif
/*
* rtsp_get gets a line from stream
* and returns a null terminated string.
*/
static char *rtsp_get(rtsp_t *s) {
int n=0;
char *string;
while (n<BUF_SIZE) {
read_stream(s->s, &s->buffer[n], 1);
if ((s->buffer[n-1]==0x0d)&&(s->buffer[n]==0x0a)) break;
n++;
}
if (n>=BUF_SIZE) {
printf("librtsp: buffer overflow in rtsp_get\n");
exit(1);
}
string=malloc(sizeof(char)*n);
memcpy(string,s->buffer,n-1);
string[n-1]=0;
#ifdef LOG
printf("librtsp: << '%s'\n", string);
#endif
return string;
}
/*
* rtsp_put puts a line on stream
*/
static void rtsp_put(rtsp_t *s, const char *string) {
int len=strlen(string);
char *buf=malloc(sizeof(char)*len+2);
#ifdef LOG
printf("librtsp: >> '%s'", string);
#endif
memcpy(buf,string,len);
buf[len]=0x0d;
buf[len+1]=0x0a;
write_stream(s->s, buf, len+2);
#ifdef LOG
printf(" done.\n");
#endif
free(buf);
}
/*
* extract server status code
*/
static int rtsp_get_code(const char *string) {
char buf[4];
int code=0;
if (!strncmp(string, rtsp_protocol_version, strlen(rtsp_protocol_version)))
{
memcpy(buf, string+strlen(rtsp_protocol_version)+1, 3);
buf[3]=0;
code=atoi(buf);
} else if (!strncmp(string, "SET_PARAMETER",8))
{
return RTSP_STATUS_SET_PARAMETER;
}
if(code != 200) printf("librtsp: server responds: '%s'\n",string);
return code;
}
/*
* send a request
*/
static void rtsp_send_request(rtsp_t *s, const char *type, const char *what) {
char **payload=s->scheduled;
sprintf(s->buffer,"%s %s %s",type, what, rtsp_protocol_version);
rtsp_put(s,s->buffer);
if (payload)
while (*payload) {
rtsp_put(s,*payload);
payload++;
}
rtsp_put(s,"");
rtsp_unschedule_all(s);
}
/*
* schedule standard fields
*/
static void rtsp_schedule_standard(rtsp_t *s) {
sprintf(s->buffer, "Cseq: %u", s->cseq);
rtsp_schedule_field(s, s->buffer);
if (s->session) {
sprintf(s->buffer, "Session: %s", s->session);
rtsp_schedule_field(s, s->buffer);
}
}
/*
* get the answers, if server responses with something != 200, return NULL
*/
static int rtsp_get_answers(rtsp_t *s) {
char *answer=NULL;
unsigned int answer_seq;
char **answer_ptr=s->answers;
int code;
answer=rtsp_get(s);
code=rtsp_get_code(answer);
free(answer);
rtsp_free_answers(s);
do { /* while we get answer lines */
answer=rtsp_get(s);
if (!strncmp(answer,"Cseq:",5)) {
sscanf(answer,"Cseq: %u",&answer_seq);
if (s->cseq != answer_seq) {
#ifdef LOG
printf("librtsp: warning: Cseq mismatch. got %u, assumed %u", answer_seq, s->cseq);
#endif
s->cseq=answer_seq;
}
}
if (!strncmp(answer,"Server:",7)) {
sscanf(answer,"Server: %s",s->buffer);
if (s->server) free(s->server);
s->server=strdup(s->buffer);
}
if (!strncmp(answer,"Session:",8)) {
memset(s->buffer,0, BUF_SIZE);
sscanf(answer,"Session: %s",s->buffer);
if (s->session) {
if (strcmp(s->buffer, s->session)) {
printf("rtsp: warning: setting NEW session: %s\n", s->buffer);
free(s->session);
s->session=strdup(s->buffer);
}
} else
{
#ifdef LOG
printf("rtsp: setting session id to: %s\n", s->buffer);
#endif
s->session=strdup(s->buffer);
}
}
*answer_ptr=answer;
answer_ptr++;
} while (strlen(answer)!=0);
s->cseq++;
*answer_ptr=NULL;
rtsp_schedule_standard(s);
return code;
}
/*
* send an ok message
*/
int rtsp_send_ok(rtsp_t *s) {
char cseq[16];
rtsp_put(s, "RTSP/1.0 200 OK");
sprintf(cseq,"CSeq: %u", s->cseq);
rtsp_put(s, cseq);
rtsp_put(s, "");
return 0;
}
/*
* implementation of must-have rtsp requests; functions return
* server status code.
*/
int rtsp_request_options(rtsp_t *s, const char *what) {
char *buf;
if (what) {
buf=strdup(what);
} else
{
buf=malloc(sizeof(char)*(strlen(s->host)+16));
sprintf(buf,"rtsp://%s:%i", s->host, s->port);
}
rtsp_send_request(s,"OPTIONS",buf);
free(buf);
return rtsp_get_answers(s);
}
int rtsp_request_describe(rtsp_t *s, const char *what) {
char *buf;
if (what) {
buf=strdup(what);
} else
{
buf=malloc(sizeof(char)*(strlen(s->host)+strlen(s->path)+16));
sprintf(buf,"rtsp://%s:%i/%s", s->host, s->port, s->path);
}
rtsp_send_request(s,"DESCRIBE",buf);
free(buf);
return rtsp_get_answers(s);
}
int rtsp_request_setup(rtsp_t *s, const char *what) {
rtsp_send_request(s,"SETUP",what);
return rtsp_get_answers(s);
}
int rtsp_request_setparameter(rtsp_t *s, const char *what) {
char *buf;
if (what) {
buf=strdup(what);
} else
{
buf=malloc(sizeof(char)*(strlen(s->host)+strlen(s->path)+16));
sprintf(buf,"rtsp://%s:%i/%s", s->host, s->port, s->path);
}
rtsp_send_request(s,"SET_PARAMETER",buf);
free(buf);
return rtsp_get_answers(s);
}
int rtsp_request_play(rtsp_t *s, const char *what) {
char *buf;
if (what) {
buf=strdup(what);
} else
{
buf=malloc(sizeof(char)*(strlen(s->host)+strlen(s->path)+16));
sprintf(buf,"rtsp://%s:%i/%s", s->host, s->port, s->path);
}
rtsp_send_request(s,"PLAY",buf);
free(buf);
return rtsp_get_answers(s);
}
int rtsp_request_tearoff(rtsp_t *s, const char *what) {
rtsp_send_request(s,"TEAROFF",what);
return rtsp_get_answers(s);
}
/*
* read opaque data from stream
*/
int rtsp_read_data(rtsp_t *s, char *buffer, unsigned int size) {
int i,seq;
if (size>=4) {
i=read_stream(s->s, buffer, 4);
if (i<4) return i;
if ((buffer[0]=='S')&&(buffer[1]=='E')&&(buffer[2]=='T')&&(buffer[3]=='_'))
{
char *rest=rtsp_get(s);
/* a real server wanna play table tennis? */
memcpy(s->buffer, buffer, 4);
strcpy(s->buffer+4, rest);
seq=-1;
do {
free(rest);
rest=rtsp_get(s);
if (!strncmp(rest,"Cseq:",5))
sscanf(rest,"Cseq: %u",&seq);
} while (strlen(rest)!=0);
free(rest);
if (seq<0) {
#ifdef LOG
printf("rtsp: warning: cseq not recognized!\n");
#endif
seq=1;
}
/* lets make the server happy */
rtsp_put(s, "RTSP/1.0 451 Parameter Not Understood");
rest=malloc(sizeof(char)*16);
sprintf(rest,"CSeq: %u", seq);
rtsp_put(s, rest);
rtsp_put(s, "");
i=read_stream(s->s, buffer, size);
} else
{
i=read_stream(s->s, buffer+4, size-4);
i+=4;
}
} else
i=read_stream(s->s, buffer, size);
#ifdef LOG
printf("librtsp: << %d of %d bytes\n", i, size);
#endif
return i;
}
/*
* connect to a rtsp server
*/
//rtsp_t *rtsp_connect(const char *mrl, const char *user_agent) {
rtsp_t *rtsp_connect(int fd, char* mrl, char *path, char *host, int port, char *user_agent) {
rtsp_t *s=malloc(sizeof(rtsp_t));
int i;
for (i=0; i<MAX_FIELDS; i++) {
s->answers[i]=NULL;
s->scheduled[i]=NULL;
}
s->server=NULL;
s->server_state=0;
s->server_caps=0;
s->cseq=0;
s->session=NULL;
if (user_agent)
s->user_agent=strdup(user_agent);
else
s->user_agent=strdup("User-Agent: RealMedia Player Version 6.0.9.1235 (linux-2.0-libc6-i386-gcc2.95)");
s->mrl = strdup(mrl);
s->host = strdup(host);
s->port = port;
s->path = strdup(path);
s->s = fd;
if (s->s < 0) {
printf ("rtsp: failed to connect to '%s'\n", s->host);
rtsp_close(s);
return NULL;
}
s->server_state=RTSP_CONNECTED;
/* now lets send an options request. */
rtsp_schedule_field(s, "CSeq: 1");
rtsp_schedule_field(s, s->user_agent);
rtsp_schedule_field(s, "ClientChallenge: 9e26d33f2984236010ef6253fb1887f7");
rtsp_schedule_field(s, "PlayerStarttime: [28/03/2003:22:50:23 00:00]");
rtsp_schedule_field(s, "CompanyID: KnKV4M4I/B2FjJ1TToLycw==");
rtsp_schedule_field(s, "GUID: 00000000-0000-0000-0000-000000000000");
rtsp_schedule_field(s, "RegionData: 0");
rtsp_schedule_field(s, "ClientID: Linux_2.4_6.0.9.1235_play32_RN01_EN_586");
/*rtsp_schedule_field(s, "Pragma: initiate-session");*/
rtsp_request_options(s, NULL);
return s;
}
/*
* closes an rtsp connection
*/
void rtsp_close(rtsp_t *s) {
if (s->server_state) close(s->s); /* TODO: send a TEAROFF */
if (s->path) free(s->path);
if (s->host) free(s->host);
if (s->mrl) free(s->mrl);
if (s->session) free(s->session);
if (s->user_agent) free(s->user_agent);
rtsp_free_answers(s);
rtsp_unschedule_all(s);
free(s);
}
/*
* 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_t *s, const char *tag) {
char **answer;
char *ptr;
if (!s->answers) return NULL;
answer=s->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_t *s, const char *id) {
if (s->session) free(s->session);
s->session=strdup(id);
}
char *rtsp_get_session(rtsp_t *s) {
return s->session;
}
char *rtsp_get_mrl(rtsp_t *s) {
return s->mrl;
}
/*
* schedules a field for transmission
*/
void rtsp_schedule_field(rtsp_t *s, const char *string) {
int i=0;
if (!string) return;
while(s->scheduled[i]) {
i++;
}
s->scheduled[i]=strdup(string);
}
/*
* removes the first scheduled field which prefix matches string.
*/
void rtsp_unschedule_field(rtsp_t *s, const char *string) {
char **ptr=s->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_t *s) {
char **ptr;
if (!s->scheduled) return;
ptr=s->scheduled;
while (*ptr) {
free(*ptr);
*ptr=NULL;
ptr++;
}
}
/*
* free answers
*/
void rtsp_free_answers(rtsp_t *s) {
char **answer;
if (!s->answers) return;
answer=s->answers;
while (*answer) {
free(*answer);
*answer=NULL;
answer++;
}
}
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS rtsp.h,v 1.2 2002/12/16 21:50:55
*/
/*
* Copyright (C) 2002 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
*
*
* a minimalistic implementation of rtsp protocol,
* *not* RFC 2326 compilant yet.
*/
#ifndef HAVE_RTSP_H
#define HAVE_RTSP_H
#ifdef __CYGWIN__
#define uint32_t unsigned int
#define uint16_t unsigned short int
#define uint8_t unsigned char
#endif
/* some codes returned by rtsp_request_* functions */
#define RTSP_STATUS_SET_PARAMETER 10
#define RTSP_STATUS_OK 200
typedef struct rtsp_s rtsp_t;
rtsp_t* rtsp_connect (int fd, char *mrl, char *path, char *host, int port, char *user_agent);
int rtsp_request_options(rtsp_t *s, const char *what);
int rtsp_request_describe(rtsp_t *s, const char *what);
int rtsp_request_setup(rtsp_t *s, const char *what);
int rtsp_request_setparameter(rtsp_t *s, const char *what);
int rtsp_request_play(rtsp_t *s, const char *what);
int rtsp_request_tearoff(rtsp_t *s, const char *what);
int rtsp_send_ok(rtsp_t *s);
int rtsp_read_data(rtsp_t *s, char *buffer, unsigned int size);
char* rtsp_search_answers(rtsp_t *s, const char *tag);
void rtsp_add_to_payload(char **payload, const char *string);
void rtsp_free_answers(rtsp_t *this);
int rtsp_read (rtsp_t *this, char *data, int len);
void rtsp_close (rtsp_t *this);
void rtsp_set_session(rtsp_t *s, const char *id);
char *rtsp_get_session(rtsp_t *s);
char *rtsp_get_mrl(rtsp_t *s);
/*int rtsp_peek_header (rtsp_t *this, char *data); */
void rtsp_schedule_field(rtsp_t *s, const char *string);
void rtsp_unschedule_field(rtsp_t *s, const char *string);
void rtsp_unschedule_all(rtsp_t *s);
#endif
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS rtsp_session.c,v 1.9 2003/02/11 16:20:40
*/
/*
* Copyright (C) 2000-2002 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
*
*
* high level interface to rtsp servers.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include "rtsp.h"
#include "rtsp_session.h"
#include "real.h"
#include "rmff.h"
#include "asmrp.h"
/*
#define LOG
*/
#define BUF_SIZE 4096
#define HEADER_SIZE 4096
struct rtsp_session_s {
rtsp_t *s;
/* receive buffer */
uint8_t recv[BUF_SIZE];
int recv_size;
int recv_read;
/* header buffer */
uint8_t header[HEADER_SIZE];
int header_len;
int header_read;
};
//rtsp_session_t *rtsp_session_start(char *mrl) {
rtsp_session_t *rtsp_session_start(int fd, char *mrl, char *path, char *host, int port) {
rtsp_session_t *rtsp_session=malloc(sizeof(rtsp_session_t));
char *server;
char *mrl_line = NULL;
rmff_header_t *h;
uint32_t bandwidth=10485800;
connect:
/* connect to server */
rtsp_session->s=rtsp_connect(fd,mrl,path,host,port,NULL);
if (!rtsp_session->s)
{
printf("rtsp_session: failed to connect to server %s\n", path);
free(rtsp_session);
return NULL;
}
/* looking for server type */
if (rtsp_search_answers(rtsp_session->s,"Server"))
server=strdup(rtsp_search_answers(rtsp_session->s,"Server"));
else {
if (rtsp_search_answers(rtsp_session->s,"RealChallenge1"))
server=strdup("Real");
else
server=strdup("unknown");
}
if (strstr(server,"Real"))
{
/* we are talking to a real server ... */
h=real_setup_and_get_header(rtsp_session->s, bandwidth);
if (!h) {
/* got an redirect? */
if (rtsp_search_answers(rtsp_session->s, "Location"))
{
free(mrl_line);
mrl_line=strdup(rtsp_search_answers(rtsp_session->s, "Location"));
printf("rtsp_session: redirected to %s\n", mrl_line);
rtsp_close(rtsp_session->s);
free(server);
/* FIXME: this won't work in MPlayer, connection opened by caller */
goto connect; /* *shudder* i made a design mistake somewhere */
} else
{
printf("rtsp_session: session can not be established.\n");
rtsp_close(rtsp_session->s);
free(rtsp_session);
return NULL;
}
}
rtsp_session->header_len=rmff_dump_header(h,rtsp_session->header,1024);
memcpy(rtsp_session->recv, rtsp_session->header, rtsp_session->header_len);
rtsp_session->recv_size = rtsp_session->header_len;
rtsp_session->recv_read = 0;
} else
{
printf("rtsp_session: rtsp server type is '%s' instead of Real. Please report.\n",server);
rtsp_close(rtsp_session->s);
free(server);
free(rtsp_session);
return NULL;
}
free(server);
return rtsp_session;
}
int rtsp_session_read (rtsp_session_t *this, char *data, int len) {
int to_copy=len;
char *dest=data;
char *source=this->recv + this->recv_read;
int fill=this->recv_size - this->recv_read;
if (len < 0) return 0;
while (to_copy > fill) {
memcpy(dest, source, fill);
to_copy -= fill;
dest += fill;
this->recv_read = 0;
source = this->recv;
this->recv_size = real_get_rdt_chunk (this->s, source);
fill = this->recv_size;
if (this->recv_size == 0) {
#ifdef LOG
printf ("librtsp: %d of %d bytes provided\n", len-to_copy, len);
#endif
return len-to_copy;
}
}
memcpy(dest, source, to_copy);
this->recv_read += to_copy;
#ifdef LOG
printf ("librtsp: %d bytes provided\n", len);
#endif
return len;
}
int rtsp_session_peek_header(rtsp_session_t *this, char *buf, int maxsize) {
int len;
len = (this->header_len < maxsize) ? this->header_len : maxsize;
memcpy(buf, this->header, len);
return len;
}
void rtsp_session_end(rtsp_session_t *session) {
rtsp_close(session->s);
free(session);
}
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS rtsp_session.h,v 1.4 2003/01/31 14:06:18
*/
/*
* Copyright (C) 2000-2002 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
*
*
* high level interface to rtsp servers.
*/
#ifndef HAVE_RTSP_SESSION_H
#define HAVE_RTSP_SESSION_H
typedef struct rtsp_session_s rtsp_session_t;
rtsp_session_t *rtsp_session_start(int fd, char *mrl, char *path, char *host, int port);
int rtsp_session_read(rtsp_session_t *session, char *data, int len);
int rtsp_session_peek_header(rtsp_session_t *this, char *buf, int maxsize);
void rtsp_session_end(rtsp_session_t *session);
#endif
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS sdpplin.c,v 1.1 2002/12/24 01:30:22
*/
/*
* Copyright (C) 2002 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
*
*
* sdp/sdpplin parser.
*
*/
#include "rmff.h"
#include "rtsp.h"
#include "sdpplin.h"
#include "xbuffer.h"
/*
#define LOG
*/
/*
* 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);
return NULL;
}
a[i] = (char) c;
b[i] = (char) dtable[c];
}
out = xbuffer_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) {
return strchr(data,'\n')+1;
}
static int filter(const char *in, const char *filter, char **out) {
int flen=strlen(filter);
int len=strchr(in,'\n')-in;
if (!strncmp(in,filter,flen))
{
if(in[flen]=='"') flen++;
if(in[len-1]==13) len--;
if(in[len-1]=='"') len--;
*out = xbuffer_copyin(*out, 0, 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=calloc(1,sizeof(sdpplin_stream_t));
char *buf=xbuffer_init(32);
char *decoded=xbuffer_init(32);
int handled;
if (filter(*data, "m=", &buf)) {
desc->id = strdup(buf);
} else
{
printf("sdpplin: no m= found.\n");
free(desc);
xbuffer_free(buf);
return NULL;
}
*data=nl(*data);
while (**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);
#ifdef LOG
printf("mlti_data_size: %i\n", desc->mlti_data_size);
#endif
}
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);
buf = xbuffer_copyin(buf, 0, *data, len+1);
buf[len]=0;
printf("libreal: sdpplin: not handled: '%s'\n", buf);
#endif
*data=nl(*data);
}
}
xbuffer_free(buf);
xbuffer_free(decoded);
return desc;
}
sdpplin_t *sdpplin_parse(char *data) {
sdpplin_t *desc=calloc(1,sizeof(sdpplin_t));
sdpplin_stream_t *stream;
char *buf=xbuffer_init(32);
char *decoded=xbuffer_init(32);
int handled;
int len;
while (*data) {
handled=0;
if (filter(data, "m=", &buf)) {
stream=sdpplin_parse_stream(&data);
#ifdef LOG
printf("got data for stream id %u\n", stream->stream_id);
#endif
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;
buf = xbuffer_copyin(buf, 0, data, len+1);
buf[len]=0;
printf("libreal: sdpplin: not handled: '%s'\n", buf);
#endif
data=nl(data);
}
}
xbuffer_free(buf);
xbuffer_free(decoded);
return desc;
}
void sdpplin_free(sdpplin_t *description) {
/* TODO: free strings */
free(description);
}
--- NEW FILE ---
/*
* This file was ported to MPlayer from xine CVS sdpplin.h,v 1.1 2002/12/24 01:30:22
*/
/*
* Copyright (C) 2002 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
*
*
* sdp/sdpplin parser.
*
*/
#ifndef HAVE_SDPPLIN_H
#define HAVE_SDPPLIN_H
#include "rmff.h"
#include "rtsp.h"
#ifdef __CYGWIN__
#define uint32_t unsigned int
#define uint16_t unsigned short int
#define uint8_t unsigned char
#endif
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
--- NEW FILE ---
/*
* xbuffer code
*
* Includes a minimalistic replacement for xine_buffer functions used in
* Real streaming code. Only function needed by this code are implemented.
*
* Most code comes from xine_buffer.c Copyright (C) 2002 the xine project
*
* WARNING: do not mix original xine_buffer functions with this code!
* xbuffers behave like xine_buffers, but are not byte-compatible with them.
* You must take care of pointers returned by xbuffers functions (no macro to
* do it automatically)
*
*/
#include <stdlib.h>
#include <inttypes.h>
#include "xbuffer.h"
typedef struct {
uint32_t size;
uint32_t chunk_size;
} xbuffer_header_t;
#define XBUFFER_HEADER_SIZE sizeof (xbuffer_header_t)
void *xbuffer_init(int chunk_size) {
uint8_t *data=calloc(1,chunk_size+XBUFFER_HEADER_SIZE);
xbuffer_header_t *header=(xbuffer_header_t*)data;
header->size=chunk_size;
header->chunk_size=chunk_size;
return data+XBUFFER_HEADER_SIZE;
}
void *xbuffer_free(void *buf) {
if (!buf) {
return NULL;
}
free(((uint8_t*)buf)-XBUFFER_HEADER_SIZE);
return NULL;
}
void *xbuffer_copyin(void *buf, int index, const void *data, int len) {
if (!buf || !data) {
return NULL;
}
buf = xbuffer_ensure_size(buf, index+len);
memcpy(((uint8_t*)buf)+index, data, len);
return buf;
}
void *xbuffer_ensure_size(void *buf, int size) {
xbuffer_header_t *xbuf;
int new_size;
if (!buf) {
return 0;
}
xbuf = ((xbuffer_header_t*)(((uint8_t*)buf)-XBUFFER_HEADER_SIZE));
if (xbuf->size < size) {
new_size = size + xbuf->chunk_size - (size % xbuf->chunk_size);
xbuf->size = new_size;
buf = ((uint8_t*)realloc(((uint8_t*)buf)-XBUFFER_HEADER_SIZE,
new_size+XBUFFER_HEADER_SIZE)) + XBUFFER_HEADER_SIZE;
}
return buf;
}
--- NEW FILE ---
/*
* xbuffer code
*
* Includes a minimalistic replacement for xine_buffer functions used in
* Real streaming code. Only function needed by this code are implemented.
*
* Most code comes from xine_buffer.c Copyright (C) 2002 the xine project
*
* WARNING: do not mix original xine_buffer functions with this code!
* xbuffers behave like xine_buffers, but are not byte-compatible with them.
* You must take care of pointers returned by xbuffers functions (no macro to
* do it automatically)
*
*/
#ifndef _XCL_H_
#define _XCL_H_
void *xbuffer_init(int chunk_size);
void *xbuffer_free(void *buf);
void *xbuffer_copyin(void *buf, int index, const void *data, int len);
void *xbuffer_ensure_size(void *buf, int size);
#endif
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