ts.h

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/*
 * ts.h
 *        
 *
 * Copyright (C) 2003 Marcus Metzler <mocm@metzlerbros.de>
 *                    Metzler Brothers Systementwicklung GbR
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 *
 */
 
#ifndef TS_H
#define TS_H
 
#include "ringbuffer.h"
#include "mpg_common.h"
 
static constexpr ssize_t  TS_SIZE        {  188 };
static constexpr uint8_t  TRANS_ERROR    { 0x80 };
static constexpr uint8_t  PAY_START      { 0x40 };
static constexpr uint8_t  TRANS_PRIO     { 0x20 };
static constexpr uint8_t  PID_MASK_HI    { 0x1F };
 
//flags
static constexpr uint8_t  TRANS_SCRMBL1  { 0x80 };
static constexpr uint8_t  TRANS_SCRMBL2  { 0x40 };
static constexpr uint8_t  ADAPT_FIELD    { 0x20 };
static constexpr uint8_t  PAYLOAD        { 0x10 };
static constexpr uint8_t  COUNT_MASK     { 0x0F };
 
// adaptation flags
static constexpr uint8_t  DISCON_IND     { 0x80 };
static constexpr uint8_t  RAND_ACC_IND   { 0x40 };
static constexpr uint8_t  ES_PRI_IND     { 0x20 };
static constexpr uint8_t  PCR_FLAG       { 0x10 };
static constexpr uint8_t  OPCR_FLAG      { 0x08 };
static constexpr uint8_t  SPLICE_FLAG    { 0x04 };
static constexpr uint8_t  TRANS_PRIV     { 0x02 };
static constexpr uint8_t  ADAP_EXT_FLAG  { 0x01 };
 
// adaptation extension flags
static constexpr uint8_t  LTW_FLAG       { 0x80 };
static constexpr uint8_t  PIECE_RATE     { 0x40 };
static constexpr uint8_t  SEAM_SPLICE    { 0x20 };
 
static constexpr uint16_t TS_VIDPID      { 4101 };
static constexpr uint16_t TS_MP2PID      { 4201 };
static constexpr uint16_t TS_AC3PID      { 4301 };
uint16_t get_pid(const uint8_t *pid);
int find_pids(uint16_t *vpid, uint16_t *apid, uint16_t *ac3pid,uint8_t *buf, int len);
int find_pids_pos(uint16_t *vpid, uint16_t *apid, uint16_t *ac3pid,uint8_t *buf, int len, int *vpos, int *apos, int *ac3pos);
 
int write_video_ts(uint64_t vpts, uint64_t vdts, uint64_t SCR,
             uint8_t *buf, int *vlength, uint8_t ptsdts, ringbuffer *vrbuffer);
int write_audio_ts(int n, uint64_t pts, 
             uint8_t *buf, int *alength, uint8_t ptsdts, ringbuffer *arbuffer);
int write_ac3_ts(int n, uint64_t pts, uint8_t *buf, int *alength,
         uint8_t ptsdts, int nframes, ringbuffer *ac3rbuffer);
void write_ts_patpmt(extdata_t *ext, int extcnt, uint8_t prog_num,
                        uint8_t *buf);
#endif /* TS_H */