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authorben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2>2006-07-31 17:39:17 +0000
committerben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2>2006-07-31 17:39:17 +0000
commit49867bd432352d19172ab26cf873bd5651e69e25 (patch)
treec2d419bb4f81564036baa12832a44b8aac27c6d1 /libmpdemux/stream.h
parentd3b998da64927403879ad588287c178f86b7c849 (diff)
downloadmpv-49867bd432352d19172ab26cf873bd5651e69e25.tar.bz2
mpv-49867bd432352d19172ab26cf873bd5651e69e25.tar.xz
introduce new 'stream' directory for all stream layer related components and split them from libmpdemux
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19277 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libmpdemux/stream.h')
-rw-r--r--libmpdemux/stream.h301
1 files changed, 0 insertions, 301 deletions
diff --git a/libmpdemux/stream.h b/libmpdemux/stream.h
deleted file mode 100644
index acbdc8f5a3..0000000000
--- a/libmpdemux/stream.h
+++ /dev/null
@@ -1,301 +0,0 @@
-#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 STREAMTYPE_SDP 15
-#define STREAMTYPE_PVR 16
-
-#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
-#define STREAM_CTRL_GET_TIME_LENGTH 1
-
-#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
-void fixup_network_stream_cache(stream_t *stream);
-
-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 unsigned char* stream_read_line(stream_t *s,unsigned char* mem, int max) {
- int len;
- unsigned char* end,*ptr = mem;;
- do {
- len = s->buf_len-s->buf_pos;
- // try to fill the buffer
- if(len <= 0 &&
- (!cache_stream_fill_buffer(s) ||
- (len = s->buf_len-s->buf_pos) <= 0)) break;
- end = (unsigned char*) memchr((void*)(s->buffer+s->buf_pos),'\n',len);
- if(end) len = end - (s->buffer+s->buf_pos) + 1;
- if(len > 0 && max > 1) {
- int l = len > max-1 ? max-1 : len;
- memcpy(ptr,s->buffer+s->buf_pos,l);
- max -= l;
- ptr += l;
- }
- s->buf_pos += len;
- } while(!end);
- if(s->eof && ptr == mem) return NULL;
- if(max > 0) ptr[0] = 0;
- return mem;
-}
-
-
-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);
-int stream_control(stream_t *s, int cmd, void *arg);
-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);
-
-extern int dvd_title;
-extern int dvd_chapter;
-extern int dvd_last_chapter;
-extern int dvd_angle;
-
-extern char * audio_stream;
-
-typedef struct {
- int id; // 0 - 31 mpeg; 128 - 159 ac3; 160 - 191 pcm
- int language;
- int type;
- int channels;
-} stream_language_t;
-
-#endif // __STREAM_H