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/*
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 *  mpegtools for the Siemens Fujitsu DVB PCI card
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 *
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 * Copyright (C) 2000, 2001 Marcus Metzler 
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 *            for convergence integrated media GmbH
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 * 
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 * 
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 * This program 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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 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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 * 
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 * The author can be reached at marcus@convergence.de, 
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 * the project's page is at http://linuxtv.org/dvb/
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 */
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#ifndef _TS_TRANSFORM_H_
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#define _TS_TRANSFORM_H_
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#include <stdint.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "remux.h"
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#define PROG_STREAM_MAP  0xBC
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#ifndef PRIVATE_STREAM1
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#define PRIVATE_STREAM1  0xBD
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#endif
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#define PADDING_STREAM   0xBE
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#ifndef PRIVATE_STREAM2
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#define PRIVATE_STREAM2  0xBF
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#endif
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#define AUDIO_STREAM_S   0xC0
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#define AUDIO_STREAM_E   0xDF
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#define VIDEO_STREAM_S   0xE0
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#define VIDEO_STREAM_E   0xEF
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#define ECM_STREAM       0xF0
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#define EMM_STREAM       0xF1
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#define DSM_CC_STREAM    0xF2
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#define ISO13522_STREAM  0xF3
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#define PROG_STREAM_DIR  0xFF
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#define BUFFYSIZE    10*MAX_PLENGTH
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#define MAX_PTS      8192
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#define MAX_FRAME    8192
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#define MAX_PACK_L   4096
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#define PS_HEADER_L1    14
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#define PS_HEADER_L2    (PS_HEADER_L1+18)
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#define MAX_H_SIZE   (PES_H_MIN + PS_HEADER_L1 + 5)
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#define PES_MIN         7
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#define PES_H_MIN       9
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//flags2
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#define PTS_DTS_FLAGS    0xC0
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#define ESCR_FLAG        0x20
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#define ES_RATE_FLAG     0x10
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#define DSM_TRICK_FLAG   0x08
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#define ADD_CPY_FLAG     0x04
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#define PES_CRC_FLAG     0x02
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#define PES_EXT_FLAG     0x01
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//pts_dts flags 
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#define PTS_ONLY         0x80
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#define PTS_DTS          0xC0
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#define TS_SIZE        188
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#define TRANS_ERROR    0x80
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#define PAY_START      0x40
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#define TRANS_PRIO     0x20
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#define PID_MASK_HI    0x1F
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//flags
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#define TRANS_SCRMBL1  0x80
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#define TRANS_SCRMBL2  0x40
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#define ADAPT_FIELD    0x20
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#define PAYLOAD        0x10
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#define COUNT_MASK     0x0F
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// adaptation flags
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#define DISCON_IND     0x80
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#define RAND_ACC_IND   0x40
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#define ES_PRI_IND     0x20
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#define PCR_FLAG       0x10
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#define OPCR_FLAG      0x08
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#define SPLICE_FLAG    0x04
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#define TRANS_PRIV     0x02
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#define ADAP_EXT_FLAG  0x01
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// adaptation extension flags
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#define LTW_FLAG       0x80
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#define PIECE_RATE     0x40
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#define SEAM_SPLICE    0x20
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#define MAX_PLENGTH 0xFFFF
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#define MMAX_PLENGTH (8*MAX_PLENGTH)
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#ifdef __cplusplus
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extern "C" {
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#endif                                /* __cplusplus */
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#define P2P_LENGTH 2048
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        enum{NOPES, AUDIO, VIDEO};
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        typedef struct p2pstruct {
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                int found;
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                uint8_t buf[MMAX_PLENGTH];
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                uint8_t cid;
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                uint32_t plength;
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                uint8_t plen[2];
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                uint8_t flag1;
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                uint8_t flag2;
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                uint8_t hlength;
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                uint8_t pts[5];
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                int mpeg;
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                uint8_t check;
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                int fd1;
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                int fd2;
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                int es;
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                int filter;
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                int which;
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                int done;
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                int repack;
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                uint16_t bigend_repack;
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                void (*func)(uint8_t *buf, int count, struct p2pstruct *p);
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                int startv;
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                int starta;
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                int64_t apts;
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                int64_t vpts;
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                uint16_t pid;
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                uint16_t pida;
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                uint16_t pidv;
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                uint8_t acounter;
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                uint8_t vcounter;
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                uint8_t count0;
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                uint8_t count1;
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                void *data;
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        } p2p;
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        uint32_t trans_pts_dts(uint8_t *pts);
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        int write_ts_header(uint16_t pid, uint8_t *counter, int pes_start, 
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                            uint8_t *buf, uint8_t length);
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        uint16_t get_pid(uint8_t *pid);
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        void init_p2p(p2p *p, void (*func)(uint8_t *buf, int count, p2p *p),
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                      int repack);
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        void get_pes (uint8_t *buf, int count, p2p *p, void (*func)(p2p *p));
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        void get_pes (uint8_t *buf, int count, p2p *p, void (*func)(p2p *p));
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        void pes_repack(p2p *p);
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        void setup_pes2ts( p2p *p, uint32_t pida, uint32_t pidv, 
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                           void (*ts_write)(uint8_t *buf, int count, p2p *p));
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        void kpes_to_ts( p2p *p,uint8_t *buf ,int count );
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        void setup_ts2pes( p2p *pa, p2p *pv, uint32_t pida, uint32_t pidv, 
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                           void (*pes_write)(uint8_t *buf, int count, p2p *p));
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        void kts_to_pes( p2p *p, uint8_t *buf);
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        void pes_repack(p2p *p);
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        void extract_from_pes(int fdin, int fdout, uint8_t id, int es);
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        int64_t pes_dmx(int fdin, int fdouta, int fdoutv, int es);
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        void pes_to_ts2( int fdin, int fdout, uint16_t pida, uint16_t pidv);
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        void ts_to_pes( int fdin, uint16_t pida, uint16_t pidv, int pad);
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        int get_ainfo(uint8_t *mbuf, int count, AudioInfo *ai, int pr);
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        int get_vinfo(uint8_t *mbuf, int count, VideoInfo *vi, int pr);
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        int get_ac3info(uint8_t *mbuf, int count, AudioInfo *ai, int pr);
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//instant repack
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        typedef struct ipack_s {
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                int size;
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                int size_orig;
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                int found;
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                int ps;
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                int has_ai;
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                int has_vi;
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                AudioInfo ai;
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                VideoInfo vi;
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                uint8_t *buf;
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                uint8_t cid;
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                uint32_t plength;
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                uint8_t plen[2];
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                uint8_t flag1;
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                uint8_t flag2;
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                uint8_t hlength;
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                uint8_t pts[5];
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                uint8_t last_pts[5];
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                int mpeg;
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                uint8_t check;
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                int which;
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                int done;
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                void *data;
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                void (*func)(uint8_t *buf,  int size, void *priv);
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                int count;
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                int start;
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                int fd;
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        } ipack;
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        void instant_repack (uint8_t *buf, int count, ipack *p);
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        void init_ipack(ipack *p, int size,
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                        void (*func)(uint8_t *buf,  int size, void *priv),
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                        int pad);
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        void free_ipack(ipack * p);
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        void send_ipack(ipack *p);
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        void reset_ipack(ipack *p);                     
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        void ps_pes(ipack *p);
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        // use with ipack structure, repack size and callback func 
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        int64_t ts_demux(int fd_in, int fdv_out,int fda_out,uint16_t pida,
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                          uint16_t pidv, int es);
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        void ts2es(int fdin,  uint16_t pidv);
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        void insert_pat_pmt( int fdin, int fdout);
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        void change_aspect(int fdin, int fdout, int aspect);
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#ifdef __cplusplus
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}
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#endif                                /* __cplusplus */
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#endif /* _TS_TRANSFORM_H_*/
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