MythTV: multiplex.h Source File

00001 /*
00002  * multiplex.h
00003  *        
00004  *
00005  * Copyright (C) 2003 Marcus Metzler <mocm@metzlerbros.de>
00006  *                    Metzler Brothers Systementwicklung GbR
00007  *
00008  * This program is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU General Public License
00010  * as published by the Free Software Foundation; either version 2
00011  * of the License, or (at your option) any later version.
00012  *
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * General Public License for more details.
00018  *
00019  *
00020  * You should have received a copy of the GNU General Public License
00021  * along with this program; if not, write to the Free Software
00022  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00023  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
00024  *
00025  */
00026 #ifndef _MULTIPLEX_H_
00027 #define _MULTIPLEX_H_
00028 
00029 #include "mpg_common.h"
00030 #include "pes.h"
00031 #include "element.h"
00032 
00033 #define N_AUDIO 32
00034 #define N_AC3 8
00035 
00036 typedef struct multiplex_s{
00037         int fd_out;
00038 #define REPLEX_MPEG2  0
00039 #define REPLEX_DVD    1
00040 #define REPLEX_HDTV   2
00041 #define REPLEX_TS_SD  3
00042 #define REPLEX_TS_HD  4
00043         int otype;
00044         int startup;
00045         int finish;
00046 
00047         //muxing options
00048         uint64_t video_delay;
00049         uint64_t audio_delay;
00050         int pack_size;
00051         unsigned int data_size;
00052         uint32_t audio_buffer_size;
00053         uint32_t video_buffer_size;
00054         uint32_t mux_rate;
00055         uint32_t muxr;
00056         uint8_t navpack;
00057 #define TIME_ALWAYS 1
00058 #define TIME_IFRAME 2
00059         int frame_timestamps;
00060         int VBR;
00061         int is_ts;
00062         int reset_clocks;
00063         int write_end_codes;
00064         int set_broken_link;
00065         unsigned int vsize, extsize;
00066         int64_t extra_clock;
00067         uint64_t SCR;
00068         uint64_t oldSCR;
00069         uint64_t SCRinc;
00070         index_unit viu;
00071 
00072         dummy_buffer vdbuf;
00073 
00074         extdata_t ext[N_AUDIO];
00075         int extcnt;
00076 
00077         ringbuffer *extrbuffer;
00078         ringbuffer *index_extrbuffer;
00079         ringbuffer *vrbuffer;
00080         ringbuffer *index_vrbuffer;
00081 
00082         int (*fill_buffers)(void *p, int f);
00083         void *priv;
00084 } multiplex_t;
00085 
00086 void check_times( multiplex_t *mx, int *video_ok, int *ext_ok, int *start);
00087 void write_out_packs( multiplex_t *mx, int video_ok, int *ext_ok);
00088 void finish_mpg(multiplex_t *mx);
00089 void init_multiplex( multiplex_t *mx, sequence_t *seq_head,
00090                      audio_frame_t *extframe, int *exttype, int *exttypcnt,
00091                      uint64_t video_delay, uint64_t audio_delay, int fd,
00092                      int (*fill_buffers)(void *p, int f),
00093                      ringbuffer *vrbuffer, ringbuffer *index_vrbuffer,  
00094                      ringbuffer *extrbuffer, ringbuffer *index_extrbuffer,
00095                      int otype);
00096 
00097 void setup_multiplex(multiplex_t *mx);
00098 #endif /* _MULTIPLEX_H_*/