* pes.c, ps.c: a52 stream should now work.

 * ts.c: added support for libdvbpsi (like ts demux, two modules are
generated : mux_ts and mux_ts_dvbpsi), fix crc generation for pat/pmt
without libdvbpsi. More works to add mpeg4 support (now I generate IOD
and SL descriptor).

modules/mux/mpeg/Modules.am

@@ -9,4 +9,9 @@ SOURCES_mux_ts = modules/mux/mpeg/ts.c \
                  modules/mux/mpeg/bits.h \
                  $(NULL)
 
+SOURCES_mux_ts_dvbpsi = modules/mux/mpeg/ts.c \
+                        modules/mux/mpeg/pes.c \
+                        modules/mux/mpeg/pes.h \
+                        modules/mux/mpeg/bits.h \
+                        $(NULL)
 

modules/mux/mpeg/bits.h

@@ -2,7 +2,7 @@
  * bits.h
  *****************************************************************************
  * Copyright (C) 2001, 2002 VideoLAN
- * $Id: bits.h,v 1.2 2002/12/17 21:58:03 fenrir Exp $
+ * $Id: bits.h,v 1.3 2003/01/08 10:34:58 fenrir Exp $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Eric Petit <titer@videolan.org>
@@ -76,13 +76,17 @@ static inline void bits_write( bits_buffer_t *p_buffer,
         {
             p_buffer->p_data[p_buffer->i_data] |= p_buffer->i_mask;
         }
+        else
+        {
+            p_buffer->p_data[p_buffer->i_data] &= ~p_buffer->i_mask;
+        }
         p_buffer->i_mask >>= 1;
         if( p_buffer->i_mask == 0 )
         {
             p_buffer->i_data++;
             if( p_buffer->i_data < p_buffer->i_size )
             {
-                p_buffer->p_data[p_buffer->i_data] = 0;
+//                p_buffer->p_data[p_buffer->i_data] = 0;
                 p_buffer->i_mask = 0x80;
             }
         }

modules/mux/mpeg/pes.c

@@ -2,7 +2,7 @@
  * pes.c
  *****************************************************************************
  * Copyright (C) 2001, 2002 VideoLAN
- * $Id: pes.c,v 1.2 2002/12/15 23:39:41 fenrir Exp $
+ * $Id: pes.c,v 1.3 2003/01/08 10:34:58 fenrir Exp $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Eric Petit <titer@videolan.org>
@@ -58,6 +58,19 @@ int E_( EStoPES )( sout_instance_t *p_sout,
     uint8_t *p_data;
     int     i_size;
 
+    int     i_private_id;
+
+    /* HACK for private stream 1 in ps */
+    if( ( i_stream_id&0xff00 ) == 0xbd00 )
+    {
+        i_private_id = i_stream_id & 0xff;
+        i_stream_id  = PES_PRIVATE_STREAM_1;
+    }
+    else
+    {
+        i_private_id = -1;
+    }
+
     i_pts = p_es->i_pts * 9 / 100; // 90000 units clock
     i_dts = p_es->i_dts * 9 / 100; // 90000 units clock
 
@@ -120,15 +133,29 @@ int E_( EStoPES )( sout_instance_t *p_sout,
                 if( b_mpeg2 )
                 {
                     int     i_pts_dts;
+                    int     i_extra;
+
+                    if( i_stream_id == PES_PRIVATE_STREAM_1 )
+                    {
+                        i_extra = 1;
+                        if( ( i_private_id&0xf0 ) == 0x80 )
+                        {
+                            i_extra += 3;
+                        }
+                    }
+                    else
+                    {
+                        i_extra = 0;
+                    }
 
                     if( i_dts > 0 )
                     {
-                        bits_write( &bits, 16, i_copy  + 13 );
+                        bits_write( &bits, 16, i_copy + i_extra+ 13 );
                         i_pts_dts = 0x03;
                     }
                     else
                     {
-                        bits_write( &bits, 16, i_copy  + 8 );
+                        bits_write( &bits, 16, i_copy  + i_extra + 8 );
                         i_pts_dts = 0x02;
                     }
 
@@ -187,6 +214,14 @@ int E_( EStoPES )( sout_instance_t *p_sout,
                 /* and then pes data */
 
                 bits_align( &bits );
+                if( i_stream_id == PES_PRIVATE_STREAM_1 && i_private_id != -1 )
+                {
+                    bits_write( &bits, 8, i_private_id );
+                    if( ( i_private_id&0xf0 ) == 0x80 )
+                    {
+                        bits_write( &bits, 24, 0 ); // ac3
+                    }
+                }
                 break;
         }
 

modules/mux/mpeg/pes.h

@@ -2,7 +2,7 @@
  * pes.h
  *****************************************************************************
  * Copyright (C) 2001, 2002 VideoLAN
- * $Id: pes.h,v 1.2 2002/12/15 23:39:41 fenrir Exp $
+ * $Id: pes.h,v 1.3 2003/01/08 10:34:58 fenrir Exp $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Eric Petit <titer@videolan.org>
@@ -24,6 +24,7 @@
 
 
 #define PES_PROGRAM_STREAM_MAP          0xbc
+#define PES_PRIVATE_STREAM_1            0xbd
 #define PES_PADDING                     0xbe
 #define PES_PRIVATE_STREAM_2            0xbf
 #define PES_ECM                         0xb0

modules/mux/mpeg/ps.c

@@ -2,7 +2,7 @@
  * ps.c
  *****************************************************************************
  * Copyright (C) 2001, 2002 VideoLAN
- * $Id: ps.c,v 1.3 2002/12/18 14:17:11 sam Exp $
+ * $Id: ps.c,v 1.4 2003/01/08 10:34:58 fenrir Exp $
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Eric Petit <titer@videolan.org>
@@ -166,26 +166,39 @@ static int AddStream( sout_instance_t *p_sout, sout_input_t *p_input )
     switch( p_input->input_format.i_cat )
     {
         case VIDEO_ES:
+
+            switch( p_input->input_format.i_fourcc )
+            {
+                case VLC_FOURCC( 'm', 'p', 'g', 'v' ):
                     p_stream->i_stream_id = p_mux->i_stream_id_mpgv;
                     p_mux->i_stream_id_mpgv++;
                     p_mux->i_video_bound++;
                     break;
+                default:
+                    return( -1 );
+            }
+            break;
         case AUDIO_ES:
-            if( p_input->input_format.i_fourcc == VLC_FOURCC( 'a', '5', '2', ' ' ) )
+            switch( p_input->input_format.i_fourcc )
             {
-                p_stream->i_stream_id = p_mux->i_stream_id_a52;
+                case VLC_FOURCC( 'a', '5', '2', ' ' ):
+                case VLC_FOURCC( 'a', '5', '2', 'b' ):
+                    p_stream->i_stream_id = p_mux->i_stream_id_a52 | ( 0xbd << 8 );
                     p_mux->i_stream_id_a52++;
-            }
-            else
-            {
+                    p_mux->i_audio_bound++;
+                    break;
+                case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
                     p_stream->i_stream_id = p_mux->i_stream_id_mpga;
                     p_mux->i_stream_id_mpga++;
-            }
                     p_mux->i_audio_bound++;
                     break;
                 default:
                     return( -1 );
             }
+            break;
+        default:
+            return( -1 );
+    }
 
     p_stream->i_ok = 1;
     msg_Dbg( p_sout, "adding input stream_id:0x%x [OK]", p_stream->i_stream_id );