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author | ben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-07-31 17:39:17 +0000 |
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committer | ben <ben@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-07-31 17:39:17 +0000 |
commit | 49867bd432352d19172ab26cf873bd5651e69e25 (patch) | |
tree | c2d419bb4f81564036baa12832a44b8aac27c6d1 /libmpdemux/stream.h | |
parent | d3b998da64927403879ad588287c178f86b7c849 (diff) | |
download | mpv-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.h | 301 |
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 |