mirror of https://github.com/mpv-player/mpv
821 lines
24 KiB
C
821 lines
24 KiB
C
/*
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* This file was ported to MPlayer from xine CVS real.c,v 1.8 2003/03/30 17:11:50
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*/
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/*
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* Copyright (C) 2002 the xine project
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*
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* This file is part of xine, a free video player.
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*
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* xine is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* xine is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*
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*
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* special functions for real streams.
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* adopted from joschkas real tools.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "../config.h"
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#include "../bswap.h"
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#include "real.h"
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#include "asmrp.h"
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#include "sdpplin.h"
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#include "xbuffer.h"
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/*
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#define LOG
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*/
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const unsigned char xor_table[] = {
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0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53,
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0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70,
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0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09,
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0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02,
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0x10, 0x57, 0x05, 0x18, 0x54, 0x00, 0x00, 0x00 };
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#define BE_32C(x,y) (*((uint32_t*)(x))=be2me_32(y))
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#define BE_16(x) be2me_16(*(uint16_t*)(x))
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#define BE_32(x) be2me_32(*(uint32_t*)(x))
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#ifndef MAX
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#define MAX(x,y) ((x>y) ? x : y)
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#endif
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#ifdef LOG
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static void hexdump (const char *buf, int length) {
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int i;
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printf (" hexdump> ");
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for (i = 0; i < length; i++) {
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unsigned char c = buf[i];
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printf ("%02x", c);
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if ((i % 16) == 15)
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printf ("\n ");
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if ((i % 2) == 1)
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printf (" ");
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}
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printf ("\n");
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}
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#endif
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static void hash(char *field, char *param) {
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uint32_t a, b, c, d;
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/* fill variables */
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a= le2me_32(*(uint32_t*)(field));
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b= le2me_32(*(uint32_t*)(field+4));
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c= le2me_32(*(uint32_t*)(field+8));
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d= le2me_32(*(uint32_t*)(field+12));
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#ifdef LOG
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printf("real: hash input: %x %x %x %x\n", a, b, c, d);
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printf("real: hash parameter:\n");
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hexdump(param, 64);
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printf("real: hash field:\n");
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hexdump(field, 64+24);
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#endif
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a = ((b & c) | (~b & d)) + le2me_32(*((uint32_t*)(param+0x00))) + a - 0x28955B88;
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a = ((a << 0x07) | (a >> 0x19)) + b;
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d = ((a & b) | (~a & c)) + le2me_32(*((uint32_t*)(param+0x04))) + d - 0x173848AA;
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d = ((d << 0x0c) | (d >> 0x14)) + a;
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c = ((d & a) | (~d & b)) + le2me_32(*((uint32_t*)(param+0x08))) + c + 0x242070DB;
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c = ((c << 0x11) | (c >> 0x0f)) + d;
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b = ((c & d) | (~c & a)) + le2me_32(*((uint32_t*)(param+0x0c))) + b - 0x3E423112;
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b = ((b << 0x16) | (b >> 0x0a)) + c;
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a = ((b & c) | (~b & d)) + le2me_32(*((uint32_t*)(param+0x10))) + a - 0x0A83F051;
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a = ((a << 0x07) | (a >> 0x19)) + b;
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d = ((a & b) | (~a & c)) + le2me_32(*((uint32_t*)(param+0x14))) + d + 0x4787C62A;
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d = ((d << 0x0c) | (d >> 0x14)) + a;
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c = ((d & a) | (~d & b)) + le2me_32(*((uint32_t*)(param+0x18))) + c - 0x57CFB9ED;
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c = ((c << 0x11) | (c >> 0x0f)) + d;
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b = ((c & d) | (~c & a)) + le2me_32(*((uint32_t*)(param+0x1c))) + b - 0x02B96AFF;
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b = ((b << 0x16) | (b >> 0x0a)) + c;
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a = ((b & c) | (~b & d)) + le2me_32(*((uint32_t*)(param+0x20))) + a + 0x698098D8;
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a = ((a << 0x07) | (a >> 0x19)) + b;
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d = ((a & b) | (~a & c)) + le2me_32(*((uint32_t*)(param+0x24))) + d - 0x74BB0851;
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d = ((d << 0x0c) | (d >> 0x14)) + a;
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c = ((d & a) | (~d & b)) + le2me_32(*((uint32_t*)(param+0x28))) + c - 0x0000A44F;
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c = ((c << 0x11) | (c >> 0x0f)) + d;
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b = ((c & d) | (~c & a)) + le2me_32(*((uint32_t*)(param+0x2C))) + b - 0x76A32842;
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b = ((b << 0x16) | (b >> 0x0a)) + c;
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a = ((b & c) | (~b & d)) + le2me_32(*((uint32_t*)(param+0x30))) + a + 0x6B901122;
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a = ((a << 0x07) | (a >> 0x19)) + b;
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d = ((a & b) | (~a & c)) + le2me_32(*((uint32_t*)(param+0x34))) + d - 0x02678E6D;
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d = ((d << 0x0c) | (d >> 0x14)) + a;
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c = ((d & a) | (~d & b)) + le2me_32(*((uint32_t*)(param+0x38))) + c - 0x5986BC72;
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c = ((c << 0x11) | (c >> 0x0f)) + d;
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b = ((c & d) | (~c & a)) + le2me_32(*((uint32_t*)(param+0x3c))) + b + 0x49B40821;
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b = ((b << 0x16) | (b >> 0x0a)) + c;
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a = ((b & d) | (~d & c)) + le2me_32(*((uint32_t*)(param+0x04))) + a - 0x09E1DA9E;
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a = ((a << 0x05) | (a >> 0x1b)) + b;
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d = ((a & c) | (~c & b)) + le2me_32(*((uint32_t*)(param+0x18))) + d - 0x3FBF4CC0;
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d = ((d << 0x09) | (d >> 0x17)) + a;
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c = ((d & b) | (~b & a)) + le2me_32(*((uint32_t*)(param+0x2c))) + c + 0x265E5A51;
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c = ((c << 0x0e) | (c >> 0x12)) + d;
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b = ((c & a) | (~a & d)) + le2me_32(*((uint32_t*)(param+0x00))) + b - 0x16493856;
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b = ((b << 0x14) | (b >> 0x0c)) + c;
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a = ((b & d) | (~d & c)) + le2me_32(*((uint32_t*)(param+0x14))) + a - 0x29D0EFA3;
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a = ((a << 0x05) | (a >> 0x1b)) + b;
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d = ((a & c) | (~c & b)) + le2me_32(*((uint32_t*)(param+0x28))) + d + 0x02441453;
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d = ((d << 0x09) | (d >> 0x17)) + a;
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c = ((d & b) | (~b & a)) + le2me_32(*((uint32_t*)(param+0x3c))) + c - 0x275E197F;
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c = ((c << 0x0e) | (c >> 0x12)) + d;
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b = ((c & a) | (~a & d)) + le2me_32(*((uint32_t*)(param+0x10))) + b - 0x182C0438;
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b = ((b << 0x14) | (b >> 0x0c)) + c;
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a = ((b & d) | (~d & c)) + le2me_32(*((uint32_t*)(param+0x24))) + a + 0x21E1CDE6;
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a = ((a << 0x05) | (a >> 0x1b)) + b;
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d = ((a & c) | (~c & b)) + le2me_32(*((uint32_t*)(param+0x38))) + d - 0x3CC8F82A;
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d = ((d << 0x09) | (d >> 0x17)) + a;
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c = ((d & b) | (~b & a)) + le2me_32(*((uint32_t*)(param+0x0c))) + c - 0x0B2AF279;
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c = ((c << 0x0e) | (c >> 0x12)) + d;
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b = ((c & a) | (~a & d)) + le2me_32(*((uint32_t*)(param+0x20))) + b + 0x455A14ED;
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b = ((b << 0x14) | (b >> 0x0c)) + c;
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a = ((b & d) | (~d & c)) + le2me_32(*((uint32_t*)(param+0x34))) + a - 0x561C16FB;
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a = ((a << 0x05) | (a >> 0x1b)) + b;
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d = ((a & c) | (~c & b)) + le2me_32(*((uint32_t*)(param+0x08))) + d - 0x03105C08;
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d = ((d << 0x09) | (d >> 0x17)) + a;
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c = ((d & b) | (~b & a)) + le2me_32(*((uint32_t*)(param+0x1c))) + c + 0x676F02D9;
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c = ((c << 0x0e) | (c >> 0x12)) + d;
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b = ((c & a) | (~a & d)) + le2me_32(*((uint32_t*)(param+0x30))) + b - 0x72D5B376;
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b = ((b << 0x14) | (b >> 0x0c)) + c;
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a = (b ^ c ^ d) + le2me_32(*((uint32_t*)(param+0x14))) + a - 0x0005C6BE;
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a = ((a << 0x04) | (a >> 0x1c)) + b;
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d = (a ^ b ^ c) + le2me_32(*((uint32_t*)(param+0x20))) + d - 0x788E097F;
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d = ((d << 0x0b) | (d >> 0x15)) + a;
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c = (d ^ a ^ b) + le2me_32(*((uint32_t*)(param+0x2c))) + c + 0x6D9D6122;
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c = ((c << 0x10) | (c >> 0x10)) + d;
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b = (c ^ d ^ a) + le2me_32(*((uint32_t*)(param+0x38))) + b - 0x021AC7F4;
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b = ((b << 0x17) | (b >> 0x09)) + c;
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a = (b ^ c ^ d) + le2me_32(*((uint32_t*)(param+0x04))) + a - 0x5B4115BC;
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a = ((a << 0x04) | (a >> 0x1c)) + b;
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d = (a ^ b ^ c) + le2me_32(*((uint32_t*)(param+0x10))) + d + 0x4BDECFA9;
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d = ((d << 0x0b) | (d >> 0x15)) + a;
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c = (d ^ a ^ b) + le2me_32(*((uint32_t*)(param+0x1c))) + c - 0x0944B4A0;
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c = ((c << 0x10) | (c >> 0x10)) + d;
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b = (c ^ d ^ a) + le2me_32(*((uint32_t*)(param+0x28))) + b - 0x41404390;
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b = ((b << 0x17) | (b >> 0x09)) + c;
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a = (b ^ c ^ d) + le2me_32(*((uint32_t*)(param+0x34))) + a + 0x289B7EC6;
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a = ((a << 0x04) | (a >> 0x1c)) + b;
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d = (a ^ b ^ c) + le2me_32(*((uint32_t*)(param+0x00))) + d - 0x155ED806;
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d = ((d << 0x0b) | (d >> 0x15)) + a;
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c = (d ^ a ^ b) + le2me_32(*((uint32_t*)(param+0x0c))) + c - 0x2B10CF7B;
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c = ((c << 0x10) | (c >> 0x10)) + d;
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b = (c ^ d ^ a) + le2me_32(*((uint32_t*)(param+0x18))) + b + 0x04881D05;
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b = ((b << 0x17) | (b >> 0x09)) + c;
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a = (b ^ c ^ d) + le2me_32(*((uint32_t*)(param+0x24))) + a - 0x262B2FC7;
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a = ((a << 0x04) | (a >> 0x1c)) + b;
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d = (a ^ b ^ c) + le2me_32(*((uint32_t*)(param+0x30))) + d - 0x1924661B;
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d = ((d << 0x0b) | (d >> 0x15)) + a;
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c = (d ^ a ^ b) + le2me_32(*((uint32_t*)(param+0x3c))) + c + 0x1fa27cf8;
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c = ((c << 0x10) | (c >> 0x10)) + d;
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b = (c ^ d ^ a) + le2me_32(*((uint32_t*)(param+0x08))) + b - 0x3B53A99B;
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b = ((b << 0x17) | (b >> 0x09)) + c;
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a = ((~d | b) ^ c) + le2me_32(*((uint32_t*)(param+0x00))) + a - 0x0BD6DDBC;
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a = ((a << 0x06) | (a >> 0x1a)) + b;
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d = ((~c | a) ^ b) + le2me_32(*((uint32_t*)(param+0x1c))) + d + 0x432AFF97;
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d = ((d << 0x0a) | (d >> 0x16)) + a;
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c = ((~b | d) ^ a) + le2me_32(*((uint32_t*)(param+0x38))) + c - 0x546BDC59;
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c = ((c << 0x0f) | (c >> 0x11)) + d;
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b = ((~a | c) ^ d) + le2me_32(*((uint32_t*)(param+0x14))) + b - 0x036C5FC7;
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b = ((b << 0x15) | (b >> 0x0b)) + c;
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a = ((~d | b) ^ c) + le2me_32(*((uint32_t*)(param+0x30))) + a + 0x655B59C3;
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a = ((a << 0x06) | (a >> 0x1a)) + b;
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d = ((~c | a) ^ b) + le2me_32(*((uint32_t*)(param+0x0C))) + d - 0x70F3336E;
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d = ((d << 0x0a) | (d >> 0x16)) + a;
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c = ((~b | d) ^ a) + le2me_32(*((uint32_t*)(param+0x28))) + c - 0x00100B83;
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c = ((c << 0x0f) | (c >> 0x11)) + d;
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b = ((~a | c) ^ d) + le2me_32(*((uint32_t*)(param+0x04))) + b - 0x7A7BA22F;
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b = ((b << 0x15) | (b >> 0x0b)) + c;
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a = ((~d | b) ^ c) + le2me_32(*((uint32_t*)(param+0x20))) + a + 0x6FA87E4F;
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a = ((a << 0x06) | (a >> 0x1a)) + b;
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d = ((~c | a) ^ b) + le2me_32(*((uint32_t*)(param+0x3c))) + d - 0x01D31920;
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d = ((d << 0x0a) | (d >> 0x16)) + a;
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c = ((~b | d) ^ a) + le2me_32(*((uint32_t*)(param+0x18))) + c - 0x5CFEBCEC;
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c = ((c << 0x0f) | (c >> 0x11)) + d;
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b = ((~a | c) ^ d) + le2me_32(*((uint32_t*)(param+0x34))) + b + 0x4E0811A1;
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b = ((b << 0x15) | (b >> 0x0b)) + c;
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a = ((~d | b) ^ c) + le2me_32(*((uint32_t*)(param+0x10))) + a - 0x08AC817E;
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a = ((a << 0x06) | (a >> 0x1a)) + b;
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d = ((~c | a) ^ b) + le2me_32(*((uint32_t*)(param+0x2c))) + d - 0x42C50DCB;
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d = ((d << 0x0a) | (d >> 0x16)) + a;
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c = ((~b | d) ^ a) + le2me_32(*((uint32_t*)(param+0x08))) + c + 0x2AD7D2BB;
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c = ((c << 0x0f) | (c >> 0x11)) + d;
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b = ((~a | c) ^ d) + le2me_32(*((uint32_t*)(param+0x24))) + b - 0x14792C6F;
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b = ((b << 0x15) | (b >> 0x0b)) + c;
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#ifdef LOG
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printf("real: hash output: %x %x %x %x\n", a, b, c, d);
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#endif
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a += le2me_32(*((uint32_t *)(field+0)));
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*((uint32_t *)(field+0)) = le2me_32(a);
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b += le2me_32(*((uint32_t *)(field+4)));
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*((uint32_t *)(field+4)) = le2me_32(b);
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c += le2me_32(*((uint32_t *)(field+8)));
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*((uint32_t *)(field+8)) = le2me_32(c);
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d += le2me_32(*((uint32_t *)(field+12)));
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*((uint32_t *)(field+12)) = le2me_32(d);
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#ifdef LOG
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printf("real: hash field:\n");
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hexdump(field, 64+24);
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#endif
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}
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static void call_hash (char *key, char *challenge, int len) {
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uint32_t *ptr1, *ptr2;
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uint32_t a, b, c, d;
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uint32_t tmp;
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ptr1=(uint32_t*)(key+16);
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ptr2=(uint32_t*)(key+20);
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a = le2me_32(*ptr1);
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b = (a >> 3) & 0x3f;
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a += len * 8;
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*ptr1 = le2me_32(a);
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if (a < (len << 3))
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{
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#ifdef LOG
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printf("not verified: (len << 3) > a true\n");
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#endif
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ptr2 += 4;
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}
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tmp = le2me_32(*ptr2);
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tmp += (len >> 0x1d);
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*ptr2 = le2me_32(tmp);
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a = 64 - b;
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c = 0;
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if (a <= len)
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{
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memcpy(key+b+24, challenge, a);
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hash(key, key+24);
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c = a;
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d = c + 0x3f;
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while ( d < len ) {
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#ifdef LOG
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printf("not verified: while ( d < len )\n");
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#endif
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hash(key, challenge+d-0x3f);
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d += 64;
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c += 64;
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}
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b = 0;
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}
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memcpy(key+b+24, challenge+c, len-c);
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}
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static void calc_response (char *result, char *field) {
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char buf1[128];
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char buf2[128];
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int i;
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memset (buf1, 0, 64);
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*buf1 = 128;
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memcpy (buf2, field+16, 8);
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i = ( le2me_32(*((uint32_t*)(buf2))) >> 3 ) & 0x3f;
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if (i < 56) {
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i = 56 - i;
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} else {
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#ifdef LOG
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printf("not verified: ! (i < 56)\n");
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#endif
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i = 120 - i;
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}
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call_hash (field, buf1, i);
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call_hash (field, buf2, 8);
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memcpy (result, field, 16);
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}
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|
|
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
|
|
*out = xbuffer_copyin(*out, 0, 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
|
|
*out = xbuffer_copyin(*out, 0, mlti_chunk+4, size);
|
|
return size;
|
|
}
|
|
|
|
/*
|
|
* looking at stream description.
|
|
*/
|
|
|
|
rmff_header_t *real_parse_sdp(char *data, char **stream_rules, uint32_t bandwidth) {
|
|
|
|
sdpplin_t *desc;
|
|
rmff_header_t *header;
|
|
char *buf;
|
|
int len, i;
|
|
int max_bit_rate=0;
|
|
int avg_bit_rate=0;
|
|
int max_packet_size=0;
|
|
int avg_packet_size=0;
|
|
int duration=0;
|
|
|
|
|
|
if (!data) return NULL;
|
|
|
|
desc=sdpplin_parse(data);
|
|
|
|
if (!desc) return NULL;
|
|
|
|
buf = xbuffer_init(2048);
|
|
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]);
|
|
*stream_rules = xbuffer_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 && strlen(*stream_rules) && (*stream_rules)[strlen(*stream_rules)-1] == ',')
|
|
(*stream_rules)[strlen(*stream_rules)-1]=0; /* delete last ',' in stream_rules */
|
|
|
|
header->prop=rmff_new_prop(
|
|
max_bit_rate,
|
|
avg_bit_rate,
|
|
max_packet_size,
|
|
avg_packet_size,
|
|
0,
|
|
duration,
|
|
0,
|
|
0,
|
|
0,
|
|
desc->stream_count,
|
|
desc->flags);
|
|
|
|
rmff_fix_header(header);
|
|
buf = xbuffer_free(buf);
|
|
|
|
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, flags2;
|
|
int unknown1;
|
|
uint32_t ts;
|
|
static uint32_t prev_ts = -1;
|
|
static int prev_stream_number = -1;
|
|
|
|
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;
|
|
}
|
|
flags2=header[7];
|
|
// header[5..6] == frame number in stream
|
|
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: 0x%06x 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;
|
|
if ((flags2&1) == 0 && (prev_ts != ts || prev_stream_number != ph.stream_number))
|
|
{
|
|
prev_ts = ts;
|
|
prev_stream_number = ph.stream_number;
|
|
ph.flags=2;
|
|
}
|
|
else
|
|
ph.flags=0;
|
|
*buffer = xbuffer_ensure_size(*buffer, 12+size);
|
|
rmff_dump_pheader(&ph, *buffer);
|
|
size-=12;
|
|
n=rtsp_read_data(rtsp_session, (*buffer)+12, size);
|
|
|
|
return (n <= 0) ? 0 : n+12;
|
|
}
|
|
|
|
int convert_timestamp(char *str, int *sec, int *msec) {
|
|
int hh, mm, ss, ms = 0;
|
|
if (sscanf(str, "%d:%d:%d.%d", &hh, &mm, &ss, &ms) < 3) {
|
|
hh = 0;
|
|
if (sscanf(str, "%d:%d.%d", &mm, &ss, &ms) < 2) {
|
|
mm = 0;
|
|
if (sscanf(str, "%d.%d", &ss, &ms) < 1) {
|
|
ss = 0;
|
|
ms = 0;
|
|
}
|
|
}
|
|
}
|
|
if (sec)
|
|
*sec = hh * 3600 + mm * 60 + ss;
|
|
if (msec)
|
|
*msec = ms;
|
|
return 1;
|
|
}
|
|
|
|
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;
|
|
char *buf = xbuffer_init(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);
|
|
buf = xbuffer_free(buf);
|
|
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));
|
|
|
|
if( rtsp_read_data(rtsp_session, description, size) <= 0) {
|
|
buf = xbuffer_free(buf);
|
|
return NULL;
|
|
}
|
|
description[size]=0;
|
|
|
|
/* parse sdp (sdpplin) and create a header and a subscribe string */
|
|
subscribe = xbuffer_init(256);
|
|
strcpy(subscribe, "Subscribe: ");
|
|
h=real_parse_sdp(description, &subscribe, bandwidth);
|
|
if (!h) {
|
|
subscribe = xbuffer_free(subscribe);
|
|
buf = xbuffer_free(buf);
|
|
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);
|
|
buf = xbuffer_ensure_size(buf, strlen(challenge2) + strlen(checksum) + 32);
|
|
sprintf(buf, "RealChallenge2: %s, sd=%s", challenge2, checksum);
|
|
rtsp_schedule_field(rtsp_session, buf);
|
|
buf = xbuffer_ensure_size(buf, strlen(session_id) + 32);
|
|
sprintf(buf, "If-Match: %s", session_id);
|
|
rtsp_schedule_field(rtsp_session, buf);
|
|
rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
|
|
buf = xbuffer_ensure_size(buf, strlen(mrl) + 32);
|
|
sprintf(buf, "%s/streamid=0", mrl);
|
|
rtsp_request_setup(rtsp_session,buf);
|
|
|
|
if (h->prop->num_streams > 1) {
|
|
rtsp_schedule_field(rtsp_session, "Transport: x-pn-tng/tcp;mode=play,rtp/avp/tcp;unicast;mode=play");
|
|
buf = xbuffer_ensure_size(buf, strlen(session_id) + 32);
|
|
sprintf(buf, "If-Match: %s", session_id);
|
|
rtsp_schedule_field(rtsp_session, buf);
|
|
|
|
buf = xbuffer_ensure_size(buf, strlen(mrl) + 32);
|
|
sprintf(buf, "%s/streamid=1", mrl);
|
|
rtsp_request_setup(rtsp_session,buf);
|
|
}
|
|
/* set stream parameter (bandwidth) with our subscribe string */
|
|
rtsp_schedule_field(rtsp_session, subscribe);
|
|
rtsp_request_setparameter(rtsp_session,NULL);
|
|
|
|
{
|
|
int s_ss = 0, s_ms = 0, e_ss = 0, e_ms = 0;
|
|
char *str;
|
|
if ((str = rtsp_get_param(rtsp_session, "start"))) {
|
|
convert_timestamp(str, &s_ss, &s_ms);
|
|
free(str);
|
|
}
|
|
if ((str = rtsp_get_param(rtsp_session, "end"))) {
|
|
convert_timestamp(str, &e_ss, &e_ms);
|
|
free(str);
|
|
}
|
|
str = buf + sprintf(buf, s_ms ? "%s%d.%d-" : "%s%d-", "Range: npt=", s_ss, s_ms);
|
|
if (e_ss || e_ms)
|
|
sprintf(str, e_ms ? "%d.%d" : "%d", e_ss, e_ms);
|
|
}
|
|
rtsp_schedule_field(rtsp_session, buf);
|
|
/* and finally send a play request */
|
|
rtsp_request_play(rtsp_session,NULL);
|
|
|
|
subscribe = xbuffer_free(subscribe);
|
|
buf = xbuffer_free(buf);
|
|
return h;
|
|
}
|