mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 16:36:15 +00:00
81cbdce6aa
allows MPlayer to stream video from a properly equipped Tivo git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14837 b3059339-0415-0410-9bf9-f77b7e298cf2
334 lines
9.2 KiB
C
334 lines
9.2 KiB
C
#ifndef __STREAM_H
|
|
#define __STREAM_H
|
|
|
|
#include "mp_msg.h"
|
|
#include <string.h>
|
|
#include <inttypes.h>
|
|
#include <sys/types.h>
|
|
|
|
#define STREAMTYPE_DUMMY -1 // for placeholders, when the actual reading is handled in the demuxer
|
|
#define STREAMTYPE_FILE 0 // read from seekable file
|
|
#define STREAMTYPE_VCD 1 // raw mode-2 CDROM reading, 2324 bytes/sector
|
|
#define STREAMTYPE_STREAM 2 // same as FILE but no seeking (for net/stdin)
|
|
#define STREAMTYPE_DVD 3 // libdvdread
|
|
#define STREAMTYPE_MEMORY 4 // read data from memory area
|
|
#define STREAMTYPE_PLAYLIST 6 // FIXME!!! same as STREAMTYPE_FILE now
|
|
#define STREAMTYPE_DS 8 // read from a demuxer stream
|
|
#define STREAMTYPE_DVDNAV 9 // we cannot safely "seek" in this...
|
|
#define STREAMTYPE_CDDA 10 // raw audio CD reader
|
|
#define STREAMTYPE_SMB 11 // smb:// url, using libsmbclient (samba)
|
|
#define STREAMTYPE_VCDBINCUE 12 // vcd directly from bin/cue files
|
|
#define STREAMTYPE_DVB 13
|
|
#define STREAMTYPE_VSTREAM 14
|
|
|
|
#define STREAM_BUFFER_SIZE 2048
|
|
|
|
#define VCD_SECTOR_SIZE 2352
|
|
#define VCD_SECTOR_OFFS 24
|
|
#define VCD_SECTOR_DATA 2324
|
|
|
|
/// atm it will always use mode == STREAM_READ
|
|
/// streams that use the new api should check the mode at open
|
|
#define STREAM_READ 0
|
|
#define STREAM_WRITE 1
|
|
/// Seek flags, if not mannualy set and s->seek isn't NULL
|
|
/// STREAM_SEEK is automaticly set
|
|
#define STREAM_SEEK_BW 2
|
|
#define STREAM_SEEK_FW 4
|
|
#define STREAM_SEEK (STREAM_SEEK_BW|STREAM_SEEK_FW)
|
|
|
|
//////////// Open return code
|
|
/// This can't open the requested protocol (used by stream wich have a
|
|
/// * protocol when they don't know the requested protocol)
|
|
#define STREAM_UNSUPORTED -1
|
|
#define STREAM_ERROR 0
|
|
#define STREAM_OK 1
|
|
|
|
#define MAX_STREAM_PROTOCOLS 10
|
|
|
|
#define STREAM_CTRL_RESET 0
|
|
|
|
#ifdef MPLAYER_NETWORK
|
|
#include "network.h"
|
|
#endif
|
|
|
|
struct stream_st;
|
|
typedef struct stream_info_st {
|
|
const char *info;
|
|
const char *name;
|
|
const char *author;
|
|
const char *comment;
|
|
/// mode isn't used atm (ie always READ) but it shouldn't be ignored
|
|
/// opts is at least in it's defaults settings and may have been
|
|
/// altered by url parsing if enabled and the options string parsing.
|
|
int (*open)(struct stream_st* st, int mode, void* opts, int* file_format);
|
|
char* protocols[MAX_STREAM_PROTOCOLS];
|
|
void* opts;
|
|
int opts_url; /* If this is 1 we will parse the url as an option string
|
|
* too. Otherwise options are only parsed from the
|
|
* options string given to open_stream_plugin */
|
|
} stream_info_t;
|
|
|
|
typedef struct stream_st {
|
|
// Read
|
|
int (*fill_buffer)(struct stream_st *s, char* buffer, int max_len);
|
|
// Write
|
|
int (*write_buffer)(struct stream_st *s, char* buffer, int len);
|
|
// Seek
|
|
int (*seek)(struct stream_st *s,off_t pos);
|
|
// Control
|
|
// Will be later used to let streams like dvd and cdda report
|
|
// their structure (ie tracks, chapters, etc)
|
|
int (*control)(struct stream_st *s,int cmd,void* arg);
|
|
// Close
|
|
void (*close)(struct stream_st *s);
|
|
|
|
int fd; // file descriptor, see man open(2)
|
|
int type; // see STREAMTYPE_*
|
|
int flags;
|
|
int sector_size; // sector size (seek will be aligned on this size if non 0)
|
|
unsigned int buf_pos,buf_len;
|
|
off_t pos,start_pos,end_pos;
|
|
int eof;
|
|
unsigned int cache_pid;
|
|
void* cache_data;
|
|
void* priv; // used for DVD, TV, RTSP etc
|
|
char* url; // strdup() of filename/url
|
|
#ifdef MPLAYER_NETWORK
|
|
streaming_ctrl_t *streaming_ctrl;
|
|
#endif
|
|
unsigned char buffer[STREAM_BUFFER_SIZE>VCD_SECTOR_SIZE?STREAM_BUFFER_SIZE:VCD_SECTOR_SIZE];
|
|
} stream_t;
|
|
|
|
#ifdef USE_STREAM_CACHE
|
|
int stream_enable_cache(stream_t *stream,int size,int min,int prefill);
|
|
int cache_stream_fill_buffer(stream_t *s);
|
|
int cache_stream_seek_long(stream_t *s,off_t pos);
|
|
#else
|
|
// no cache, define wrappers:
|
|
#define cache_stream_fill_buffer(x) stream_fill_buffer(x)
|
|
#define cache_stream_seek_long(x,y) stream_seek_long(x,y)
|
|
#define stream_enable_cache(x,y,z,w) 1
|
|
#endif
|
|
|
|
inline static int stream_read_char(stream_t *s){
|
|
return (s->buf_pos<s->buf_len)?s->buffer[s->buf_pos++]:
|
|
(cache_stream_fill_buffer(s)?s->buffer[s->buf_pos++]:-256);
|
|
// if(s->buf_pos<s->buf_len) return s->buffer[s->buf_pos++];
|
|
// stream_fill_buffer(s);
|
|
// if(s->buf_pos<s->buf_len) return s->buffer[s->buf_pos++];
|
|
// return 0; // EOF
|
|
}
|
|
|
|
inline static unsigned int stream_read_word(stream_t *s){
|
|
int x,y;
|
|
x=stream_read_char(s);
|
|
y=stream_read_char(s);
|
|
return (x<<8)|y;
|
|
}
|
|
|
|
inline static unsigned int stream_read_dword(stream_t *s){
|
|
unsigned int y;
|
|
y=stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
return y;
|
|
}
|
|
|
|
#define stream_read_fourcc stream_read_dword_le
|
|
|
|
inline static unsigned int stream_read_word_le(stream_t *s){
|
|
int x,y;
|
|
x=stream_read_char(s);
|
|
y=stream_read_char(s);
|
|
return (y<<8)|x;
|
|
}
|
|
|
|
inline static unsigned int stream_read_dword_le(stream_t *s){
|
|
unsigned int y;
|
|
y=stream_read_char(s);
|
|
y|=stream_read_char(s)<<8;
|
|
y|=stream_read_char(s)<<16;
|
|
y|=stream_read_char(s)<<24;
|
|
return y;
|
|
}
|
|
|
|
inline static uint64_t stream_read_qword(stream_t *s){
|
|
uint64_t y;
|
|
y = stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
return y;
|
|
}
|
|
|
|
inline static uint64_t stream_read_qword_le(stream_t *s){
|
|
uint64_t y;
|
|
y = stream_read_char(s);
|
|
y|=stream_read_char(s)<<8;
|
|
y|=stream_read_char(s)<<16;
|
|
y|=stream_read_char(s)<<24;
|
|
y|=(uint64_t)stream_read_char(s)<<32;
|
|
y|=(uint64_t)stream_read_char(s)<<40;
|
|
y|=(uint64_t)stream_read_char(s)<<48;
|
|
y|=(uint64_t)stream_read_char(s)<<56;
|
|
return y;
|
|
}
|
|
|
|
inline static unsigned int stream_read_int24(stream_t *s){
|
|
unsigned int y;
|
|
y = stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
y=(y<<8)|stream_read_char(s);
|
|
return y;
|
|
}
|
|
|
|
inline static int stream_read(stream_t *s,char* mem,int total){
|
|
int len=total;
|
|
while(len>0){
|
|
int x;
|
|
x=s->buf_len-s->buf_pos;
|
|
if(x==0){
|
|
if(!cache_stream_fill_buffer(s)) return total-len; // EOF
|
|
x=s->buf_len-s->buf_pos;
|
|
}
|
|
if(s->buf_pos>s->buf_len) mp_msg(MSGT_DEMUX, MSGL_WARN, "stream_read: WARNING! s->buf_pos>s->buf_len\n");
|
|
if(x>len) x=len;
|
|
memcpy(mem,&s->buffer[s->buf_pos],x);
|
|
s->buf_pos+=x; mem+=x; len-=x;
|
|
}
|
|
return total;
|
|
}
|
|
|
|
inline static int stream_eof(stream_t *s){
|
|
return s->eof;
|
|
}
|
|
|
|
inline static off_t stream_tell(stream_t *s){
|
|
return s->pos+s->buf_pos-s->buf_len;
|
|
}
|
|
|
|
inline static int stream_seek(stream_t *s,off_t pos){
|
|
|
|
mp_dbg(MSGT_DEMUX, MSGL_DBG3, "seek to 0x%qX\n",(long long)pos);
|
|
|
|
if(pos<s->pos){
|
|
off_t x=pos-(s->pos-s->buf_len);
|
|
if(x>=0){
|
|
s->buf_pos=x;
|
|
// putchar('*');fflush(stdout);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return cache_stream_seek_long(s,pos);
|
|
}
|
|
|
|
inline static int stream_skip(stream_t *s,off_t len){
|
|
if( (len<0 && (s->flags & STREAM_SEEK_BW)) || (len>2*STREAM_BUFFER_SIZE && (s->flags & STREAM_SEEK_FW)) ) {
|
|
// negative or big skip!
|
|
return stream_seek(s,stream_tell(s)+len);
|
|
}
|
|
while(len>0){
|
|
int x=s->buf_len-s->buf_pos;
|
|
if(x==0){
|
|
if(!cache_stream_fill_buffer(s)) return 0; // EOF
|
|
x=s->buf_len-s->buf_pos;
|
|
}
|
|
if(x>len) x=len;
|
|
//memcpy(mem,&s->buf[s->buf_pos],x);
|
|
s->buf_pos+=x; len-=x;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void stream_reset(stream_t *s);
|
|
stream_t* new_stream(int fd,int type);
|
|
void free_stream(stream_t *s);
|
|
stream_t* new_memory_stream(unsigned char* data,int len);
|
|
stream_t* open_stream(char* filename,char** options,int* file_format);
|
|
stream_t* open_stream_full(char* filename,int mode, char** options, int* file_format);
|
|
|
|
//#ifdef USE_DVDREAD
|
|
extern int dvd_title;
|
|
extern int dvd_chapter;
|
|
extern int dvd_last_chapter;
|
|
extern int dvd_angle;
|
|
//#endif
|
|
|
|
extern int dvbin_param_on;
|
|
|
|
extern char * audio_stream;
|
|
|
|
#ifdef USE_DVDNAV
|
|
#include "dvdnav_stream.h"
|
|
#endif
|
|
|
|
#ifdef USE_DVDREAD
|
|
|
|
#ifdef USE_MPDVDKIT
|
|
#if (USE_MPDVDKIT == 2)
|
|
#include "../libmpdvdkit2/dvd_reader.h"
|
|
#include "../libmpdvdkit2/ifo_types.h"
|
|
#include "../libmpdvdkit2/ifo_read.h"
|
|
#include "../libmpdvdkit2/nav_read.h"
|
|
#else
|
|
#include "../libmpdvdkit/dvd_reader.h"
|
|
#include "../libmpdvdkit/ifo_types.h"
|
|
#include "../libmpdvdkit/ifo_read.h"
|
|
#include "../libmpdvdkit/nav_read.h"
|
|
#endif
|
|
#else
|
|
#include <dvdread/dvd_reader.h>
|
|
#include <dvdread/ifo_types.h>
|
|
#include <dvdread/ifo_read.h>
|
|
#include <dvdread/nav_read.h>
|
|
#endif
|
|
|
|
typedef struct {
|
|
int id; // 0 - 31 mpeg; 128 - 159 ac3; 160 - 191 pcm
|
|
int language;
|
|
int type;
|
|
int channels;
|
|
} stream_language_t;
|
|
|
|
typedef struct {
|
|
dvd_reader_t *dvd;
|
|
dvd_file_t *title;
|
|
ifo_handle_t *vmg_file;
|
|
tt_srpt_t *tt_srpt;
|
|
ifo_handle_t *vts_file;
|
|
vts_ptt_srpt_t *vts_ptt_srpt;
|
|
pgc_t *cur_pgc;
|
|
//
|
|
int cur_cell;
|
|
int last_cell;
|
|
int cur_pack;
|
|
int cell_last_pack;
|
|
// Navi:
|
|
int packs_left;
|
|
dsi_t dsi_pack;
|
|
int angle_seek;
|
|
// audio datas
|
|
int nr_of_channels;
|
|
stream_language_t audio_streams[32];
|
|
// subtitles
|
|
int nr_of_subtitles;
|
|
stream_language_t subtitles[32];
|
|
} dvd_priv_t;
|
|
|
|
int dvd_number_of_subs(stream_t *stream);
|
|
int dvd_lang_from_sid(stream_t *stream, int id);
|
|
int dvd_aid_from_lang(stream_t *stream, unsigned char* lang);
|
|
int dvd_sid_from_lang(stream_t *stream, unsigned char* lang);
|
|
int dvd_chapter_from_cell(dvd_priv_t *dvd,int title,int cell);
|
|
|
|
#endif
|
|
|
|
#endif // __STREAM_H
|