mirror of
https://github.com/tuxbox-neutrino/neutrino.git
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483 lines
14 KiB
C++
483 lines
14 KiB
C++
/*
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Copyright (c) 2004 gmo18t, Germany. All rights reserved.
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Copyright (C) 2012 CoolStream International Ltd
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Copyright (C) 2013 Jacek Jendrzej
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This program 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
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by 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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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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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 Foundation,
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Inc., 675 Mass Ave, Cambridge MA 02139, USA.
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Mit diesem Programm koennen Neutrino TS Streams für das Abspielen unter Enigma gepatched werden
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*/
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#include <string.h>
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#include <unistd.h>
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#include <driver/genpsi.h>
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#define SIZE_TS_PKT 188
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#define TS_DATA_LEN 184
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#define OFS_HDR_2 5
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#define OFS_PMT_DATA 13
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#define OFS_STREAM_TAB 17
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#define SIZE_STREAM_TAB_ROW 5
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#define OFS_ENIGMA_TAB 31
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#define SIZE_ENIGMA_TAB_ROW 4
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#define ES_TYPE_MPEG12 0x02
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#define ES_TYPE_AVC 0x1b
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#define ES_TYPE_HEVC 0x24
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#define ES_TYPE_MPA 0x03
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#define ES_TYPE_EAC3 0x7a
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#define ES_TYPE_AC3 0x81
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#define ES_TYPE_AAC 0x0f
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#define ES_TYPE_AACP 0x11
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static const uint32_t crc_table[256] = {
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0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
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0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
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0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
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0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
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0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
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0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
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0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
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0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
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0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
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0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
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0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
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0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
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0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
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0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
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0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
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0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
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0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
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0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
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0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
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0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
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0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
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0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
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0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
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0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
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0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
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0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
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0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
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0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
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0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
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0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
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0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
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0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
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0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
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0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
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0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
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0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
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0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
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0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
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0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
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0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
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0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
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0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
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0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
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};
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CGenPsi::CGenPsi()
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{
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nba = 0;
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vpid = 0;
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vtype = 0;
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pcrpid=0;
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vtxtpid = 0;
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memset(apid, 0, sizeof(apid));
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memset(atypes, 0, sizeof(atypes));
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nsub = 0;
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memset(dvbsubpid, 0, sizeof(dvbsubpid));
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neac3 = 0;
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memset(eac3_pid, 0, sizeof(eac3_pid));
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}
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uint32_t CGenPsi::calc_crc32psi(uint8_t *dst, const uint8_t *src, uint32_t len)
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{
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uint32_t i;
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uint32_t crc = 0xffffffff;
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for (i=0; i<len; i++)
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crc = (crc << 8) ^ crc_table[((crc >> 24) ^ *src++) & 0xff];
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if (dst)
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{
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dst[0] = (crc >> 24) & 0xff;
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dst[1] = (crc >> 16) & 0xff;
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dst[2] = (crc >> 8) & 0xff;
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dst[3] = (crc) & 0xff;
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}
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return crc;
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}
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void CGenPsi::addPid(uint16_t pid, uint16_t pidtype, short isAC3, const char *data)
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{
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switch(pidtype)
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{
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case EN_TYPE_VIDEO:
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pcrpid=vpid=pid;
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vtype = ES_TYPE_MPEG12;
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break;
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case EN_TYPE_AVC:
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pcrpid=vpid=pid;
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vtype = ES_TYPE_AVC;
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break;
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case EN_TYPE_HEVC:
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pcrpid=vpid=pid;
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vtype = ES_TYPE_HEVC;
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break;
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case EN_TYPE_PCR:
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pcrpid=pid;
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break;
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case EN_TYPE_AUDIO:
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apid[nba]=pid;
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atypes[nba]=isAC3;
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if(data != NULL){
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apid_lang[nba][0] = data[0];
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apid_lang[nba][1] = data[1];
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apid_lang[nba][2] = data[2];
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}else{
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apid_lang[nba][0] = 'u';
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apid_lang[nba][1] = 'n';
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apid_lang[nba][2] = 'k';
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}
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nba++;
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break;
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case EN_TYPE_TELTEX:
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vtxtpid = pid;
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if(data != NULL){
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vtxtlang[0] = data[0];
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vtxtlang[1] = data[1];
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vtxtlang[2] = data[2];
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}else{
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vtxtlang[0] = 'u';
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vtxtlang[1] = 'n';
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vtxtlang[2] = 'k';
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}
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break;
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case EN_TYPE_DVBSUB:
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dvbsubpid[nsub] = pid;
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if(data != NULL){
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dvbsublang[nsub][0] = data[0];
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dvbsublang[nsub][1] = data[1];
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dvbsublang[nsub][2] = data[2];
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}else{
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dvbsublang[nsub][0] = 'u';
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dvbsublang[nsub][1] = 'n';
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dvbsublang[nsub][2] = 'k';
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}
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nsub++;
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break;
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case EN_TYPE_AUDIO_EAC3:
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eac3_pid[neac3] = pid;
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if(data != NULL){
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eac3_lang[neac3][0] = data[0];
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eac3_lang[neac3][1] = data[1];
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eac3_lang[neac3][2] = data[2];
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}else{
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eac3_lang[neac3][0] = 'u';
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eac3_lang[neac3][1] = 'n';
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eac3_lang[neac3][2] = 'k';
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}
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neac3++;
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break;
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case EN_TYPE_AUDIO_AAC:
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aac_pid[naac] = pid;
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if(data != NULL){
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aac_lang[naac][0] = data[0];
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aac_lang[naac][1] = data[1];
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aac_lang[naac][2] = data[2];
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}else{
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aac_lang[naac][0] = 'u';
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aac_lang[naac][1] = 'n';
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aac_lang[naac][2] = 'k';
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}
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naac++;
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break;
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case EN_TYPE_AUDIO_AACP:
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aacp_pid[naacp] = pid;
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if(data != NULL){
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aacp_lang[naacp][0] = data[0];
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aacp_lang[naacp][1] = data[1];
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aacp_lang[naacp][2] = data[2];
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}else{
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aacp_lang[naacp][0] = 'u';
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aacp_lang[naacp][1] = 'n';
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aacp_lang[naacp][2] = 'k';
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}
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naacp++;
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break;
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default:
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break;
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}
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}
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void CGenPsi::build_pat(uint8_t* buffer)
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{
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buffer[0x00] = 0x47;
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buffer[0x01] = 0x40;
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buffer[0x02] = 0x00; // PID = 0x0000
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buffer[0x03] = 0x10 ;
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buffer[0x04] = 0x00; // CRC calculation begins here
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buffer[0x05] = 0x00; // 0x00: Program association section
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buffer[0x06] = 0xb0;
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buffer[0x07] = 0x11; // section_length
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buffer[0x08] = 0x00;
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buffer[0x09] = 0xbb; // TS id = 0x00b0
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buffer[0x0a] = 0xc1;
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// section # and last section #
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buffer[0x0b] = buffer[0x0c] = 0x00;
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// Network PID (useless)
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buffer[0x0d] = buffer[0x0e] = 0x00;
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buffer[0x0f] = 0xe0;
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buffer[0x10] = 0x10;
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// Program Map PID
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buffer[0x11] = 0x03;
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buffer[0x12] = 0xe8;
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buffer[0x13] = 0xe0;
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buffer[0x14] = pmt_pid;
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// Put CRC in buffer[0x15...0x18]
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calc_crc32psi(&buffer[0x15], &buffer[OFS_HDR_2], 0x15-OFS_HDR_2 );
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// needed stuffing bytes
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for (int i=0x19; i < 188; i++)
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{
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buffer[i]=0xff;
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}
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}
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void CGenPsi::build_pmt(uint8_t* buffer)
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{
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int off=0;
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buffer[0x00] = 0x47;
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buffer[0x01] = 0x40;
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buffer[0x02] = pmt_pid;
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buffer[0x03] = 0x10;
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buffer[0x04] = 0x00; // CRC calculation begins here
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buffer[0x05] = 0x02; // 0x02: Program map section
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buffer[0x06] = 0xb0;
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buffer[0x07] = 0x20; // section_length
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buffer[0x08] = 0x03;
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buffer[0x09] = 0xe8; // prog number
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buffer[0x0a] = 0xc1;
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// section # and last section #
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buffer[0x0b] = buffer[0x0c] = 0x00;
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// Program Clock Reference (PCR) PID
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buffer[0x0d] = pcrpid>>8;
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buffer[0x0e] = pcrpid&0xff;
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// program_info_length == 0
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buffer[0x0f] = 0xf0;
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buffer[0x10] = 0x00;
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// Video PID
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buffer[0x11] = vtype; // video stream type
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buffer[0x12] = vpid>>8;
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buffer[0x13] = vpid&0xff;
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buffer[0x14] = 0xf0;
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buffer[0x15] = 0x09; // es info length
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// useless info
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buffer[0x16] = 0x07;
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buffer[0x17] = 0x04;
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buffer[0x18] = 0x08;
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buffer[0x19] = 0x80;
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buffer[0x1a] = 0x24;
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buffer[0x1b] = 0x02;
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buffer[0x1c] = 0x11;
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buffer[0x1d] = 0x01;
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buffer[0x1e] = 0xfe;
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off = 0x1f;
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// Audio streams
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for (int index = 0; index < nba; index++)
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{
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if ((atypes[index] == 1) && (off >= (TS_DATA_LEN - 17)))
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break;
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else if (off >= (TS_DATA_LEN - 11))
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break;
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buffer[off++] = (atypes[index]==1)? ES_TYPE_AC3 : ES_TYPE_MPA;
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buffer[off++] = apid[index]>>8;
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buffer[off++] = apid[index]&0xff;
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if (atypes[index] == 1)//ES_TYPE_AC3
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{
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buffer[off++] = 0xf0;
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buffer[off++] = 0x0c; // es info length
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buffer[off++] = 0x05;
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buffer[off++] = 0x04;
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buffer[off++] = 0x41;
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buffer[off++] = 0x43;
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buffer[off++] = 0x2d;
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buffer[off++] = 0x33;
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}
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else
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{
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buffer[off++] = 0xf0;
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buffer[off++] = 0x06; // es info length
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}
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buffer[off++] = 0x0a; // iso639 descriptor tag
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buffer[off++] = 0x04; // descriptor length
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buffer[off++] = apid_lang[index][0];
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buffer[off++] = apid_lang[index][1];
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buffer[off++] = apid_lang[index][2];
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buffer[off++] = 0x00; // audio type
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}
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// eac3 audio
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for (int index = 0; index < neac3 && off < (TS_DATA_LEN-18); index++)
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{
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buffer[off++] = 0x06;//pes private type;
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buffer[off++] = 0xE0 | eac3_pid[index]>>8;
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buffer[off++] = eac3_pid[index] & 0xFF;
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buffer[off++] = 0xF0;
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buffer[off++] = 0x0d; // es info length
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buffer[off++] = 0x52;
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buffer[off++] = 0x01;
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buffer[off++] = 0x5d;
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buffer[off++] = 0x0a; // iso639 descriptor tag
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buffer[off++] = 0x04; // descriptor length
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buffer[off++] = eac3_lang[index][0]; //language code[0]
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buffer[off++] = eac3_lang[index][1]; //language code[1]
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buffer[off++] = eac3_lang[index][2]; //language code[2]
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buffer[off++] = 0x01;
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buffer[off++] = 0x7a; //enhanced_AC-3_descriptor
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buffer[off++] = 0x02;
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buffer[off++] = 0x80;
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buffer[off++] = 0xc5;
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}
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// aac audio
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for (int index = 0; index < naac && off < (TS_DATA_LEN-18); index++)
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{
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buffer[off++] = ES_TYPE_AAC;
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buffer[off++] = 0xe0 | aac_pid[index]>>8;
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buffer[off++] = aac_pid[index]&0xff;
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buffer[off++] = 0xf0;
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buffer[off++] = 0x0d;
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buffer[off++] = 0x2b; // aac descriptor
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buffer[off++] = 0x02;
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buffer[off++] = 0x52;
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buffer[off++] = 0x00;
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buffer[off++] = 0x52;
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buffer[off++] = 0x01;
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|
buffer[off++] = 0x20;
|
|
buffer[off++] = 0x0a; // iso639 descriptor tag
|
|
buffer[off++] = 0x04; // descriptor length
|
|
buffer[off++] = aac_lang[index][0];
|
|
buffer[off++] = aac_lang[index][1];
|
|
buffer[off++] = aac_lang[index][2];
|
|
buffer[off++] = 0x00; // audio type
|
|
}
|
|
|
|
// aacp audio
|
|
for (int index = 0; index < naacp && off < (TS_DATA_LEN-18); index++)
|
|
{
|
|
buffer[off++] = ES_TYPE_AACP;
|
|
buffer[off++] = 0xe0 | aacp_pid[index]>>8;
|
|
buffer[off++] = aacp_pid[index]&0xff;
|
|
buffer[off++] = 0xf0;
|
|
buffer[off++] = 0x0d;
|
|
buffer[off++] = 0x7C; // aacp descriptor
|
|
buffer[off++] = 0x02;
|
|
buffer[off++] = 0x52;
|
|
buffer[off++] = 0x00;
|
|
buffer[off++] = 0x52;
|
|
buffer[off++] = 0x01;
|
|
buffer[off++] = 0x20;
|
|
buffer[off++] = 0x0a; // iso639 descriptor tag
|
|
buffer[off++] = 0x04; // descriptor length
|
|
buffer[off++] = aacp_lang[index][0];
|
|
buffer[off++] = aacp_lang[index][1];
|
|
buffer[off++] = aacp_lang[index][2];
|
|
buffer[off++] = 0x00; // audio type
|
|
}
|
|
|
|
// Subtitle streams
|
|
for (int index = 0; index < nsub && off < (TS_DATA_LEN-15); index++)
|
|
{
|
|
buffer[off++] = 0x06;//pes private type;
|
|
buffer[off++] = dvbsubpid[index]>>8;
|
|
buffer[off++] = dvbsubpid[index]&0xff;
|
|
buffer[off++] = 0xf0;
|
|
buffer[off++] = 0x0a; // es info length
|
|
buffer[off++] = 0x59; // DVB sub tag
|
|
buffer[off++] = 0x08; // descriptor length
|
|
buffer[off++] = dvbsublang[index][0];
|
|
buffer[off++] = dvbsublang[index][1];
|
|
buffer[off++] = dvbsublang[index][2];
|
|
buffer[off++] = 0x20; //subtitle_stream.subtitling_type
|
|
buffer[off++] = 0x01>>8; //composition_page_id
|
|
buffer[off++] = 0x01&0xff; //composition_page_id
|
|
buffer[off++] = 0x01>>8; //ancillary_page_id
|
|
buffer[off++] = 0x01&0xff; //ancillary_page_id
|
|
}
|
|
|
|
// TeleText streams
|
|
if(vtxtpid && off < (TS_DATA_LEN-15)) {
|
|
buffer[off++] = 0x06; //teletext stream type;
|
|
buffer[off++] = 0xE0 | vtxtpid>>8;
|
|
buffer[off++] = vtxtpid&0xff;
|
|
buffer[off++] = 0xf0;
|
|
buffer[off++] = 0x0A; // ES_info_length
|
|
buffer[off++] = 0x52; //DVB-DescriptorTag: 82 (0x52) [= stream_identifier_descriptor]
|
|
buffer[off++] = 0x01; // descriptor_length
|
|
buffer[off++] = 0x03; //component_tag
|
|
buffer[off++] = 0x56; // DVB teletext tag
|
|
buffer[off++] = 0x05; // descriptor length
|
|
buffer[off++] = vtxtlang[0]; //language code[0]
|
|
buffer[off++] = vtxtlang[1]; //language code[1]
|
|
buffer[off++] = vtxtlang[2]; //language code[2]
|
|
buffer[off++] = (/*descriptor_magazine_number*/ 0x01 & 0x06) | ((/*descriptor_type*/ 0x01 << 3) & 0xF8);
|
|
buffer[off++] = 0x00 ; //Teletext_page_number
|
|
}
|
|
off--;
|
|
buffer[0x07] = off-3; // update section_length
|
|
|
|
// Put CRC in ts[0x29...0x2c]
|
|
calc_crc32psi(&buffer[off+1], &buffer[OFS_HDR_2], off+1-OFS_HDR_2 );
|
|
|
|
// needed stuffing bytes
|
|
for (int i=off+5 ; i < 188 ; i++)
|
|
{
|
|
buffer[i] = 0xff;
|
|
}
|
|
}
|
|
|
|
int CGenPsi::genpsi(int fd)
|
|
{
|
|
uint8_t buffer[SIZE_TS_PKT];
|
|
|
|
build_pat(buffer);
|
|
write(fd, buffer, SIZE_TS_PKT);
|
|
|
|
build_pmt(buffer);
|
|
write(fd, buffer, SIZE_TS_PKT);
|
|
|
|
//-- finish --
|
|
vpid=0;
|
|
pcrpid=0;
|
|
nba=0;
|
|
nsub = 0;
|
|
vtxtpid = 0;
|
|
neac3 = 0;
|
|
fdatasync(fd);
|
|
return 1;
|
|
|
|
}
|
|
|