libdemuxer...

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2311 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 0 insertions, 403 deletions

diff --git a/demux_mpg.c b/demux_mpg.c
deleted file mode 100644
index dc4cc7f438..0000000000
--- a/demux_mpg.c
+++ /dev/null
@@ -1,403 +0,0 @@
-//  MPG/VOB file parser for DEMUXER v2.5  by A'rpi/ESP-team
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "mp_msg.h"
-#include "help_mp.h"
-
-#include "config.h"
-#include "dvdauth.h"
-#include "stream.h"
-#include "demuxer.h"
-#include "parse_es.h"
-
-//#define MAX_PS_PACKETSIZE 2048
-#define MAX_PS_PACKETSIZE (224*1024)
-
-static int mpeg_pts_error=0;
-
-static unsigned int read_mpeg_timestamp(stream_t *s,int c){
-  int d,e;
-  unsigned int pts;
-  d=stream_read_word(s);
-  e=stream_read_word(s);
-  if( ((c&1)!=1) || ((d&1)!=1) || ((e&1)!=1) ){
-    ++mpeg_pts_error;
-    return 0; // invalid pts
-  }
-  pts=(((c>>1)&7)<<30)|((d>>1)<<15)|(e>>1);
-  mp_dbg(MSGT_DEMUX,MSGL_DBG3,"{%d}",pts);
-  return pts;
-}
-
-//static unsigned int packet_start_pos=0;
-
-//extern void *new_sh_audio(demuxer_t *demux,int id);
-//extern void *new_sh_video(demuxer_t *demux,int id);
-#include "wine/mmreg.h"
-#include "wine/avifmt.h"
-#include "wine/vfw.h"
-
-#include "codec-cfg.h"
-#include "stheader.h"
-
-static int demux_mpg_read_packet(demuxer_t *demux,int id){
-  int d;
-  int len;
-#ifdef HAVE_LIBCSS
-  int css=0;
-#endif
-  unsigned char c=0;
-  unsigned int pts=0;
-  unsigned int dts=0;
-  demux_stream_t *ds=NULL;
-  
-  mp_dbg(MSGT_DEMUX,MSGL_DBG3,"demux_read_packet: %X\n",id);
-
-//  if(id==0x1F0){
-//    demux->synced=0; // force resync after 0x1F0
-//    return -1;
-//}
-
-//  if(id==0x1BA) packet_start_pos=stream_tell(demux->stream);
-  if(id<0x1BC || id>=0x1F0) return -1;
-  if(id==0x1BE) return -1; // padding stream
-  if(id==0x1BF) return -1; // private2
-
-  len=stream_read_word(demux->stream);
-  mp_dbg(MSGT_DEMUX,MSGL_DBG3,"PACKET len=%d",len);
-//  if(len==62480){ demux->synced=0;return -1;} /* :) */
-  if(len==0 || len>MAX_PS_PACKETSIZE){
-    mp_dbg(MSGT_DEMUX,MSGL_DBG2,"Invalid PS packet len: %d\n",len);
-    return -2;  // invalid packet !!!!!!
-  }
-
-  mpeg_pts_error=0;
-
-  while(len>0){   // Skip stuFFing bytes
-    c=stream_read_char(demux->stream);--len;
-    if(c!=0xFF)break;
-  }
-  if((c>>6)==1){  // Read (skip) STD scale & size value
-//    printf("  STD_scale=%d",(c>>5)&1);
-    d=((c&0x1F)<<8)|stream_read_char(demux->stream);
-    len-=2;
-//    printf("  STD_size=%d",d);
-    c=stream_read_char(demux->stream);
-  }
-  // Read System-1 stream timestamps:
-  if((c>>4)==2){
-    pts=read_mpeg_timestamp(demux->stream,c);
-    len-=4;
-  } else
-  if((c>>4)==3){
-    pts=read_mpeg_timestamp(demux->stream,c);
-    c=stream_read_char(demux->stream);
-    if((c>>4)!=1) pts=0; //printf("{ERROR4}");
-    dts=read_mpeg_timestamp(demux->stream,c);
-    len-=4+1+4;
-  } else
-  if((c>>6)==2){
-    int pts_flags;
-    int hdrlen;
-    // System-2 (.VOB) stream:
-    if((c>>4)&3) {
-#ifdef HAVE_LIBCSS
-        css=1;
-#else
-        mp_msg(MSGT_DEMUX,MSGL_WARN,MSGTR_EncryptedVOB);
-#endif
-    }
-    c=stream_read_char(demux->stream); pts_flags=c>>6;
-    c=stream_read_char(demux->stream); hdrlen=c;
-    len-=2;
-    mp_dbg(MSGT_DEMUX,MSGL_DBG3,"  hdrlen=%d  (len=%d)",hdrlen,len);
-    if(hdrlen>len){ mp_msg(MSGT_DEMUX,MSGL_V,"demux_mpg: invalid header length  \n"); return -1;}
-    if(pts_flags==2){
-      c=stream_read_char(demux->stream);
-      pts=read_mpeg_timestamp(demux->stream,c);
-      len-=5;hdrlen-=5;
-    } else
-    if(pts_flags==3){
-      c=stream_read_char(demux->stream);
-      pts=read_mpeg_timestamp(demux->stream,c);
-      c=stream_read_char(demux->stream);
-      dts=read_mpeg_timestamp(demux->stream,c);
-      len-=10;hdrlen-=10;
-    }
-    len-=hdrlen;
-    if(hdrlen>0) stream_skip(demux->stream,hdrlen); // skip header bytes
-    
-    //============== DVD Audio sub-stream ======================
-    if(id==0x1BD){
-      int aid=stream_read_char(demux->stream);--len;
-      if(len<3) return -1; // invalid audio packet
-      
-      // AID:
-      // 0x20..0x3F  subtitle
-      // 0x80..0x9F  AC3 audio
-      // 0xA0..0xBF  PCM audio
-      
-      if((aid & 0xE0) == 0x20){
-        // subtitle:
-        aid&=0x1F;
-
-        if(!demux->s_streams[aid]){
-            mp_msg(MSGT_DEMUX,MSGL_V,"==> Found subtitle: %d\n",aid);
-            demux->s_streams[aid]=1;
-        }
-
-        if(demux->sub->id==aid){
-            ds=demux->sub;
-        }
-          
-      } else if((aid & 0xC0) == 0x80) {
-
-//        aid=128+(aid&0x7F);
-        // aid=0x80..0xBF
-
-        if(!demux->a_streams[aid]) new_sh_audio(demux,aid);
-        if(demux->audio->id==-1) demux->audio->id=aid;
-
-      if(demux->audio->id==aid){
-//        int type;
-        ds=demux->audio;
-        if(!ds->sh) ds->sh=demux->a_streams[aid];
-        // READ Packet: Skip additional audio header data:
-        c=stream_read_char(demux->stream);//type=c;
-        c=stream_read_char(demux->stream);//type|=c<<8;
-        c=stream_read_char(demux->stream);//type|=c<<16;
-//        printf("[%06X]",type);
-        len-=3;
-        if((aid&0xE0)==0xA0 && len>=2){
-          // read PCM header
-          int head;
-          head=stream_read_char(demux->stream); head=c<<8;
-          c=stream_read_char(demux->stream);    head|=c;  len-=2;
-          while(len>0 && head!=0x180){
-            head=c<<8;
-            c=stream_read_char(demux->stream);
-            head|=c;--len;
-          }
-          if(!len) mp_msg(MSGT_DEMUX,MSGL_V,"End of packet while searching for PCM header\n");
-        }
-      } //  if(demux->audio->id==aid)
-
-      } else mp_msg(MSGT_DEMUX,MSGL_V,"Unknown 0x1BD substream: 0x%02X  \n",aid);
-
-    } //if(id==0x1BD)
-
-  } else {
-    if(c!=0x0f){
-      mp_msg(MSGT_DEMUX,MSGL_V,"  {ERROR5,c=%d}  \n",c);
-      return -1;  // invalid packet !!!!!!
-    }
-  }
-  if(mpeg_pts_error) mp_msg(MSGT_DEMUX,MSGL_V,"  {PTS_err:%d}  \n",mpeg_pts_error);
-  mp_dbg(MSGT_DEMUX,MSGL_DBG3," => len=%d\n",len);
-
-//  if(len<=0 || len>MAX_PS_PACKETSIZE) return -1;  // Invalid packet size
-  if(len<=0 || len>MAX_PS_PACKETSIZE){
-    mp_dbg(MSGT_DEMUX,MSGL_DBG2,"Invalid PS data len: %d\n",len);
-    return -1;  // invalid packet !!!!!!
-  }
-  
-  if(id>=0x1C0 && id<=0x1DF){
-    // mpeg audio
-    int aid=id-0x1C0;
-    if(!demux->a_streams[aid]) new_sh_audio(demux,aid);
-    if(demux->audio->id==-1) demux->audio->id=aid;
-    if(demux->audio->id==aid){
-      ds=demux->audio;
-      if(!ds->sh) ds->sh=demux->a_streams[aid];
-    }
-  } else
-  if(id>=0x1E0 && id<=0x1EF){
-    // mpeg video
-    int aid=id-0x1E0;
-    if(!demux->v_streams[aid]) new_sh_video(demux,aid);
-    if(demux->video->id==-1) demux->video->id=aid;
-    if(demux->video->id==aid){
-      ds=demux->video;
-      if(!ds->sh) ds->sh=demux->v_streams[aid];
-    }
-  }
-
-  if(ds){
-    mp_dbg(MSGT_DEMUX,MSGL_DBG2,"DEMUX_MPG: Read %d data bytes from packet %04X\n",len,id);
-//    printf("packet start = 0x%X  \n",stream_tell(demux->stream)-packet_start_pos);
-#ifdef HAVE_LIBCSS
-    if (css) {
-	    if (descrambling) CSSDescramble(demux->stream->buffer,key_title); else
-		    mp_msg(MSGT_DEMUX,MSGL_WARN,MSGTR_EncryptedVOBauth);
-    }
-#endif
-    ds_read_packet(ds,demux->stream,len,pts/90000.0f,demux->filepos,0);
-//    if(ds==demux->sub) parse_dvdsub(ds->last->buffer,ds->last->len);
-    return 1;
-  }
-  mp_dbg(MSGT_DEMUX,MSGL_DBG2,"DEMUX_MPG: Skipping %d data bytes from packet %04X\n",len,id);
-  if(len<=2356) stream_skip(demux->stream,len);
-  return 0;
-}
-
-int num_elementary_packets100=0;
-int num_elementary_packets101=0;
-int num_elementary_packets1B6=0;
-int num_elementary_packetsPES=0;
-
-int demux_mpg_es_fill_buffer(demuxer_t *demux){
-  // Elementary video stream
-  if(demux->stream->eof) return 0;
-  demux->filepos=stream_tell(demux->stream);
-  ds_read_packet(demux->video,demux->stream,STREAM_BUFFER_SIZE,0,demux->filepos,0);
-  return 1;
-}
-
-int demux_mpg_fill_buffer(demuxer_t *demux){
-unsigned int head=0;
-int skipped=0;
-int max_packs=128;
-int ret=0;
-
-// System stream
-do{
-  demux->filepos=stream_tell(demux->stream);
-  head=stream_read_dword(demux->stream);
-  if((head&0xFFFFFF00)!=0x100){
-   // sync...
-   demux->filepos-=skipped;
-   while(1){
-    int c=stream_read_char(demux->stream);
-    if(c<0) break; //EOF
-    head<<=8;
-    if(head!=0x100){
-      head|=c;
-      ++skipped; //++demux->filepos;
-      continue;
-    }
-    head|=c;
-    break;
-   }
-   demux->filepos+=skipped;
-  }
-  if(stream_eof(demux->stream)) break;
-  // sure: head=0x000001XX
-  mp_dbg(MSGT_DEMUX,MSGL_DBG4,"*** head=0x%X\n",head);
-  if(demux->synced==0){
-    if(head==0x1BA) demux->synced=1;
-#if 0
-    else if(head>=0x1C0 && head<=0x1EF){
-      demux->synced=2;
-      mp_msg(MSGT_DEMUX,MSGL_V,"Mpeg PES stream synced at 0x%X (%d)!\n",demux->filepos,demux->filepos);
-      num_elementary_packets100=0; // requires for re-sync!
-      num_elementary_packets101=0; // requires for re-sync!
-    }
-#endif
-  } else
-  if(demux->synced==1){
-    if(head==0x1BB || head==0x1BD || (head>=0x1C0 && head<=0x1EF)){
-      demux->synced=2;
-      mp_msg(MSGT_DEMUX,MSGL_V,"system stream synced at 0x%X (%d)!\n",demux->filepos,demux->filepos);
-      num_elementary_packets100=0; // requires for re-sync!
-      num_elementary_packets101=0; // requires for re-sync!
-    } else demux->synced=0;
-  } // else
-  if(demux->synced==2){
-      ret=demux_mpg_read_packet(demux,head);
-      if(!ret)
-        if(--max_packs==0){
-          demux->stream->eof=1;
-          mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_DoesntContainSelectedStream);
-          return 0;
-        }
-  } else {
-    if(head>=0x100 && head<0x1B0){
-      if(head==0x100) ++num_elementary_packets100; else
-      if(head==0x101) ++num_elementary_packets101;
-      mp_msg(MSGT_DEMUX,MSGL_DBG3,"Opps... elementary video packet found: %03X\n",head);
-    } else
-    if(head>=0x1C0 && head<0x1F0){
-      ++num_elementary_packetsPES;
-      mp_msg(MSGT_DEMUX,MSGL_DBG3,"Opps... PES packet found: %03X\n",head);
-    } else
-      if(head==0x1B6) ++num_elementary_packets1B6;
-#if 1
-    if( ( (num_elementary_packets100>50 && num_elementary_packets101>50) ||
-          (num_elementary_packetsPES>50) ) && skipped>4000000){
-        mp_msg(MSGT_DEMUX,MSGL_V,"sync_mpeg_ps: seems to be ES/PES stream...\n");
-        demux->stream->eof=1;
-        break;
-    }
-#endif
-  }
-} while(ret!=1);
-  mp_dbg(MSGT_DEMUX,MSGL_DBG2,"demux: %d bad bytes skipped\n",skipped);
-  if(demux->stream->eof){
-    mp_msg(MSGT_DEMUX,MSGL_V,"MPEG Stream reached EOF\n");
-    return 0;
-  }
-  return 1;
-}
-
-//extern off_t seek_to_byte;
-
-void demux_seek_mpg(demuxer_t *demuxer,float rel_seek_secs,int flags){
-    demux_stream_t *d_audio=demuxer->audio;
-    demux_stream_t *d_video=demuxer->video;
-    sh_audio_t *sh_audio=d_audio->sh;
-    sh_video_t *sh_video=d_video->sh;
-
-  //================= seek in MPEG ==========================
-    off_t newpos=(flags&1)?demuxer->movi_start:demuxer->filepos;
-	
-    if(flags&2){
-	// float seek 0..1
-	newpos+=(demuxer->movi_end-demuxer->movi_start)*rel_seek_secs;
-    } else {
-	// time seek (secs)
-        if(!sh_video->i_bps) // unspecified or VBR
-          newpos+=2324*75*rel_seek_secs; // 174.3 kbyte/sec
-        else
-          newpos+=sh_video->i_bps*rel_seek_secs;
-    }
-
-        if(newpos<demuxer->movi_start) newpos=demuxer->movi_start;
-
-#ifdef _LARGEFILE_SOURCE
-        newpos&=~((long long)STREAM_BUFFER_SIZE-1);  /* sector boundary */
-#else
-        newpos&=~(STREAM_BUFFER_SIZE-1);  /* sector boundary */
-#endif
-        stream_seek(demuxer->stream,newpos);
-
-        // re-sync video:
-        videobuf_code_len=0; // reset ES stream buffer
-
-	ds_fill_buffer(d_video);
-	if(sh_audio){
-	  ds_fill_buffer(d_audio);
-	  resync_audio_stream(sh_audio);
-	}
-
-	while(1){
-	  int i;
-          if(sh_audio && !d_audio->eof && d_video->pts && d_audio->pts){
-	    float a_pts=d_audio->pts;
-            a_pts+=(ds_tell_pts(d_audio)-sh_audio->a_in_buffer_len)/(float)sh_audio->i_bps;
-	    if(d_video->pts>a_pts){
-	      skip_audio_frame(sh_audio);  // sync audio
-	      continue;
-	    }
-          }
-          i=sync_video_packet(d_video);
-          if(i==0x1B3 || i==0x1B8) break; // found it!
-          if(!i || !skip_video_packet(d_video)) break; // EOF?
-        }
-
-
-}
-