[MPlayer-cvslog] CVS: main/libmpdemux demuxer.c, 1.188, 1.189 demux_mpg.c, 1.57, 1.58

Nico Sabbi CVS syncmail at mplayerhq.hu
Mon Jun 6 23:30:56 CEST 2005


CVS change done by Nico Sabbi CVS

Update of /cvsroot/mplayer/main/libmpdemux
In directory mail:/var2/tmp/cvs-serv30796

Modified Files:
	demuxer.c demux_mpg.c 
Log Message:
moved mpeg-ps/es probing code to demux_mpg.c

Index: demuxer.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.c,v
retrieving revision 1.188
retrieving revision 1.189
diff -u -r1.188 -r1.189
--- demuxer.c	27 May 2005 12:38:29 -0000	1.188
+++ demuxer.c	6 Jun 2005 21:30:53 -0000	1.189
@@ -584,21 +584,6 @@
 
 // ====================================================================
 
-// feed-back from demuxers:
-extern int num_elementary_packets100; // for MPEG-ES fileformat detection
-extern int num_elementary_packets101;
-extern int num_elementary_packetsPES;
-extern int num_elementary_packets1B6;
-extern int num_elementary_packets12x;
-extern int num_h264_slice; //combined slice
-extern int num_h264_dpa; //DPA Slice
-extern int num_h264_dpb; //DPB Slice
-extern int num_h264_dpc; //DPC Slice
-extern int num_h264_idr; //IDR Slice
-extern int num_h264_sps;
-extern int num_h264_pps;
-extern int num_mp3audio_packets;
-
 // commandline options, flags:
 extern int force_ni;
 extern int pts_from_bps;
@@ -617,6 +602,7 @@
 int demux_open_mf(demuxer_t* demuxer);
 int demux_open_film(demuxer_t* demuxer);
 int demux_open_roq(demuxer_t* demuxer);
+int demux_mpg_probe(demuxer_t *demuxer);
 #ifdef HAVE_LIBDV095
 int demux_open_rawdv(demuxer_t* demuxer);
 extern int rawdv_check_file(demuxer_t *demuxer);
@@ -1000,96 +986,25 @@
       demuxer = NULL;
   }
 }
-//=============== Try to open as MPEG-PS file: =================
-if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_MPEG_PS){
- int pes=1;
- int tmp;
- off_t tmppos;
- file_format=DEMUXER_TYPE_UNKNOWN;
- while(pes>=0){
-  demuxer=new_demuxer(stream,DEMUXER_TYPE_MPEG_PS,audio_id,video_id,dvdsub_id);
-  
-  // try to pre-detect PES:
-  tmppos=stream_tell(demuxer->stream);
-  tmp=stream_read_dword(demuxer->stream);
-  if(tmp==0x1E0 || tmp==0x1C0){
-      tmp=stream_read_word(demuxer->stream);
-      if(tmp>1 && tmp<=2048) pes=0; // demuxer->synced=3; // PES...
-  }
-  stream_seek(demuxer->stream,tmppos);
-  
-  if(!pes) demuxer->synced=3; // hack!
 
-  num_elementary_packets100=0;
-  num_elementary_packets101=0;
-  num_elementary_packets1B6=0;
-  num_elementary_packets12x=0;
-  num_elementary_packetsPES=0;
-  num_h264_slice=0; //combined slice
-  num_h264_dpa=0; //DPA Slice
-  num_h264_dpb=0; //DPB Slice
-  num_h264_dpc=0; //DPC Slice
-  num_h264_idr=0; //IDR Slice
-  num_h264_sps=0;
-  num_h264_pps=0;
-  num_mp3audio_packets=0;
-
-  if(demux_mpg_open(demuxer)){
-    if(!pes)
+if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_MPEG_PS){
+ demuxer=new_demuxer(stream,DEMUXER_TYPE_MPEG_PS,audio_id,video_id,dvdsub_id);
+ file_format = demux_mpg_probe(demuxer);
+ mp_msg(MSGT_DEMUXER,MSGL_V,"demux_mpg_probe returned file_format %d\n", file_format);
+ if(file_format==DEMUXER_TYPE_UNKNOWN) {
+   free_demuxer(demuxer);
+   demuxer=new_demuxer(stream,DEMUXER_TYPE_MPEG_PS,audio_id,video_id,dvdsub_id);
+   demuxer->synced = 3;
+   file_format = demux_mpg_probe(demuxer);
+   mp_msg(MSGT_DEMUXER,MSGL_V,"demux_mpg_probe returned file_format %d\n", file_format);
+   if(file_format==DEMUXER_TYPE_MPEG_PS)
       mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_Detected_XXX_FileFormat,"MPEG-PES");
-    else
+ } else if(file_format==DEMUXER_TYPE_MPEG_PS)
       mp_msg(MSGT_DEMUXER,MSGL_INFO,MSGTR_Detected_XXX_FileFormat,"MPEG-PS");
-    file_format=DEMUXER_TYPE_MPEG_PS;
-  } else {
-    mp_msg(MSGT_DEMUX,MSGL_V,"MPEG packet stats: p100: %d  p101: %d p1B6: %d p12x: %d sli: %d a: %d b: %d c: %d idr: %d sps: %d pps: %d PES: %d  MP3: %d \n",
-	num_elementary_packets100,num_elementary_packets101,
-	num_elementary_packets1B6,num_elementary_packets12x,
-	num_h264_slice, num_h264_dpa,
-	num_h264_dpb, num_h264_dpc=0,
-	num_h264_idr,  num_h264_sps=0,
-	num_h264_pps,
-	num_elementary_packetsPES,num_mp3audio_packets);
-//MPEG packet stats: p100: 458  p101: 458  PES: 0  MP3: 1103  (.m2v)
-    if(num_mp3audio_packets>50 && num_mp3audio_packets>2*num_elementary_packets100
-	&& abs(num_elementary_packets100-num_elementary_packets101)>2)
-	break; // it's .MP3
-    // some hack to get meaningfull error messages to our unhappy users:
-    if(num_elementary_packets100>=2 && num_elementary_packets101>=2 &&
-       abs(num_elementary_packets101+8-num_elementary_packets100)<16){
-      if(num_elementary_packetsPES>=4 && num_elementary_packetsPES>=num_elementary_packets100-4){
-        --pes;continue; // tricky...
-      }
-      file_format=DEMUXER_TYPE_MPEG_ES; //  <-- hack is here :)
-    } else 
-#if 1
-    // fuzzy mpeg4-es detection. do NOT enable without heavy testing of mpeg formats detection!
-    if(num_elementary_packets1B6>3 && num_elementary_packets12x>=1 &&
-       num_elementary_packetsPES==0 && num_elementary_packets100<=num_elementary_packets12x &&
-       demuxer->synced<2){
-      file_format=DEMUXER_TYPE_MPEG4_ES;
-    } else
-#endif
-#if 1
-    // fuzzy h264-es detection. do NOT enable without heavy testing of mpeg formats detection!
-    if((num_h264_slice>3 || (num_h264_dpa>3 && num_h264_dpb>3 && num_h264_dpc>3)) && 
-       /* FIXME num_h264_sps>=1 && */ num_h264_pps>=1 && num_h264_idr>=1 &&
-       num_elementary_packets1B6==0 && num_elementary_packetsPES==0 &&
-       demuxer->synced<2){
-      file_format=DEMUXER_TYPE_H264_ES;
-    } else
-#endif
-    {
-      if(demuxer->synced==2)
-        mp_msg(MSGT_DEMUXER,MSGL_ERR,"MPEG: " MSGTR_MissingVideoStreamBug);
-      else
-        mp_msg(MSGT_DEMUXER,MSGL_V,MSGTR_NotSystemStream);
-    }
-    if (demuxer && file_format != DEMUXER_TYPE_MPEG_PS) {
-      free_demuxer(demuxer);
-      demuxer = NULL;
-    }
-  }
-  break;
+  
+ if(file_format != DEMUXER_TYPE_MPEG_PS) {
+   free_demuxer(demuxer);
+   demuxer = NULL;
  }
 }
 //=============== Try to open as MPEG-ES file: =================

Index: demux_mpg.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demux_mpg.c,v
retrieving revision 1.57
retrieving revision 1.58
diff -u -r1.57 -r1.58
--- demux_mpg.c	28 Apr 2005 14:43:18 -0000	1.57
+++ demux_mpg.c	6 Jun 2005 21:30:53 -0000	1.58
@@ -387,20 +387,100 @@
   return 0;
 }
 
-int num_elementary_packets100=0;
-int num_elementary_packets101=0;
-int num_elementary_packets12x=0;
-int num_elementary_packets1B6=0;
-int num_elementary_packetsPES=0;
-int num_h264_slice=0; //combined slice
-int num_h264_dpa=0; //DPA Slice
-int num_h264_dpb=0; //DPB Slice
-int num_h264_dpc=0; //DPC Slice
-int num_h264_idr=0; //IDR Slice
-int num_h264_sps=0;
-int num_h264_pps=0;
+static int num_elementary_packets100=0;
+static int num_elementary_packets101=0;
+static int num_elementary_packets12x=0;
+static int num_elementary_packets1B6=0;
+static int num_elementary_packetsPES=0;
+static int num_h264_slice=0; //combined slice
+static int num_h264_dpa=0; //DPA Slice
+static int num_h264_dpb=0; //DPB Slice
+static int num_h264_dpc=0; //DPC Slice
+static int num_h264_idr=0; //IDR Slice
+static int num_h264_sps=0;
+static int num_h264_pps=0;
+
+static int num_mp3audio_packets=0;
+
+int demux_mpg_probe(demuxer_t *demuxer) {
+  int pes=1;
+  int tmp;
+  off_t tmppos;
+  int file_format = DEMUXER_TYPE_UNKNOWN;
+
+  tmppos=stream_tell(demuxer->stream);
+  tmp=stream_read_dword(demuxer->stream);
+  if(tmp==0x1E0 || tmp==0x1C0) {
+    tmp=stream_read_word(demuxer->stream);
+    if(tmp>1 && tmp<=2048) pes=0; // demuxer->synced=3; // PES...
+  }
+  stream_seek(demuxer->stream,tmppos);
 
-int num_mp3audio_packets=0;
+  num_elementary_packets100=0;
+  num_elementary_packets101=0;
+  num_elementary_packets1B6=0;
+  num_elementary_packets12x=0;
+  num_elementary_packetsPES=0;
+  num_h264_slice=0; //combined slice
+  num_h264_dpa=0; //DPA Slice
+  num_h264_dpb=0; //DPB Slice
+  num_h264_dpc=0; //DPC Slice
+  num_h264_idr=0; //IDR Slice
+  num_h264_sps=0;
+  num_h264_pps=0;
+  num_mp3audio_packets=0;
+
+  if(demux_mpg_open(demuxer))
+    file_format=DEMUXER_TYPE_MPEG_PS;
+  else {
+    mp_msg(MSGT_DEMUX,MSGL_V,"MPEG packet stats: p100: %d  p101: %d p1B6: %d p12x: %d sli: %d a: %d b: %d c: %d idr: %d sps: %d pps: %d PES: %d  MP3: %d, synced: %d\n",
+     num_elementary_packets100,num_elementary_packets101,
+     num_elementary_packets1B6,num_elementary_packets12x,
+     num_h264_slice, num_h264_dpa,
+     num_h264_dpb, num_h264_dpc=0,
+     num_h264_idr, num_h264_sps=0,
+     num_h264_pps,
+     num_elementary_packetsPES,num_mp3audio_packets, demuxer->synced);
+
+     //MPEG packet stats: p100: 458  p101: 458  PES: 0  MP3: 1103  (.m2v)
+     if(num_mp3audio_packets>50 && num_mp3audio_packets>2*num_elementary_packets100
+        && abs(num_elementary_packets100-num_elementary_packets101)>2)
+       return file_format;
+
+      // some hack to get meaningfull error messages to our unhappy users:
+      if(num_elementary_packets100>=2 && num_elementary_packets101>=2 &&
+         abs(num_elementary_packets101+8-num_elementary_packets100)<16) {
+         if(num_elementary_packetsPES>=4 && num_elementary_packetsPES>=num_elementary_packets100-4) {
+           return file_format;
+         }
+         file_format=DEMUXER_TYPE_MPEG_ES; //  <-- hack is here :)
+      } else
+#if 1
+          // fuzzy mpeg4-es detection. do NOT enable without heavy testing of mpeg formats detection!
+        if(num_elementary_packets1B6>3 && num_elementary_packets12x>=1 &&
+           num_elementary_packetsPES==0 && num_elementary_packets100<=num_elementary_packets12x &&
+           demuxer->synced<2) {
+             file_format=DEMUXER_TYPE_MPEG4_ES;
+        } else
+#endif
+#if 1
+         // fuzzy h264-es detection. do NOT enable without heavy testing of mpeg formats detection!
+        if((num_h264_slice>3 || (num_h264_dpa>3 && num_h264_dpb>3 && num_h264_dpc>3)) && 
+          /* FIXME num_h264_sps>=1 && */ num_h264_pps>=1 && num_h264_idr>=1 &&
+          num_elementary_packets1B6==0 && num_elementary_packetsPES==0 &&
+          demuxer->synced<2) {
+            file_format=DEMUXER_TYPE_H264_ES;
+        } else
+#endif
+        {
+          if(demuxer->synced==2)
+            mp_msg(MSGT_DEMUXER,MSGL_ERR,"MPEG: " MSGTR_MissingVideoStreamBug);
+          else
+            mp_msg(MSGT_DEMUXER,MSGL_V,MSGTR_NotSystemStream);
+        }
+  }
+  return file_format;
+}
 
 int demux_mpg_es_fill_buffer(demuxer_t *demux){
   // Elementary video stream




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