]> git.sesse.net Git - vlc/blobdiff - modules/demux/ogg.c
* modules/demux/rawdv.c: added support for DV audio now that ffmpeg can
[vlc] / modules / demux / ogg.c
index 220909d8b0a94ce35906c4e7535d5d18b2d3684b..c762fa8964e7d9c35ac0c23c4283f4a34b4e2a3a 100644 (file)
@@ -2,7 +2,7 @@
  * ogg.c : ogg stream input module for vlc
  *****************************************************************************
  * Copyright (C) 2001 VideoLAN
- * $Id: ogg.c,v 1.6 2002/11/03 23:00:32 gbazin Exp $
+ * $Id: ogg.c,v 1.19 2003/01/29 12:59:23 gbazin Exp $
  *
  * Authors: Gildas Bazin <gbazin@netcourrier.com>
  * 
@@ -52,7 +52,7 @@ typedef struct logical_stream_s
     vlc_fourcc_t     i_fourcc;
     vlc_fourcc_t     i_codec;
 
-    es_descriptor_t  *p_es;   
+    es_descriptor_t  *p_es;
     int              b_selected;                           /* newly selected */
 
     /* the header of some logical streams (eg vorbis) contain essential
@@ -64,16 +64,18 @@ typedef struct logical_stream_s
 
     /* program clock reference (in units of 90kHz) derived from the previous
      * granulepos */
-    mtime_t i_pcr;
-    long    l_previous_granulepos;
+    mtime_t          i_pcr;
+    mtime_t          i_interpolated_pcr;
 
     /* info from logical streams */
-    double i_rate;
+    double f_rate;
     int i_bitrate;
     int b_reinit;
 
+    /* codec specific stuff */
     BITMAPINFOHEADER *p_bih;
     WAVEFORMATEX *p_wf;
+    int i_theora_keyframe_granule_shift;
 
 } logical_stream_t;
 
@@ -87,16 +89,15 @@ struct demux_sys_t
     /* current audio and video es */
     logical_stream_t *p_stream_video;
     logical_stream_t *p_stream_audio;
-
-    /* stream we use as a time reference for demux reading speed */
-    logical_stream_t *p_stream_timeref;
+    logical_stream_t *p_stream_spu;
 
     /* program clock reference (in units of 90kHz) derived from the pcr of
-     * one of the sub-streams (p_stream_timeref) */
+     * the sub-streams */
     mtime_t i_pcr;
 
     mtime_t i_length;
     int     b_seekable;
+    int     b_reinit;
 };
 
 /* OggDS headers for the new header format (used in ogm files) */
@@ -143,6 +144,22 @@ typedef struct stream_header
 #define PACKET_LEN_BITS2     0x02
 #define PACKET_IS_SYNCPOINT  0x08
 
+/* Some functions to manipulate memory */
+static uint16_t GetWLE( uint8_t *p_buff )
+{
+    return( (p_buff[0]) + ( p_buff[1] <<8 ) );
+}
+
+static uint32_t GetDWLE( uint8_t *p_buff )
+{
+    return( p_buff[0] + ( p_buff[1] <<8 ) +
+            ( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
+}
+
+static uint64_t GetQWLE( uint8_t *p_buff )
+{
+    return( GetDWLE( p_buff ) + ( ((uint64_t)GetDWLE( p_buff + 4 )) << 32 ) );
+}
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
@@ -152,15 +169,14 @@ static int  Demux     ( input_thread_t * );
 
 /* Stream managment */
 static int  Ogg_StreamStart  ( input_thread_t *, demux_sys_t *, int );
-static int  Ogg_StreamSeek   ( input_thread_t *, demux_sys_t *, int, mtime_t );
 static void Ogg_StreamStop   ( input_thread_t *, demux_sys_t *, int );
 
 /* Bitstream manipulation */
 static int  Ogg_Check        ( input_thread_t *p_input );
 static int  Ogg_ReadPage     ( input_thread_t *, demux_sys_t *, ogg_page * );
+static void Ogg_UpdatePCR    ( logical_stream_t *, ogg_packet * );
 static void Ogg_DecodePacket ( input_thread_t *p_input,
-                               logical_stream_t *p_stream,
-                               ogg_packet *p_oggpacket );
+                               logical_stream_t *p_stream, ogg_packet * );
 static int  Ogg_FindLogicalStreams( input_thread_t *p_input,
                                     demux_sys_t *p_ogg );
 
@@ -211,8 +227,6 @@ static int Ogg_StreamStart( input_thread_t *p_input,
         }
     }
 
-    //Ogg_StreamSeek( p_input, p_ogg, i_stream, p_ogg->i_time );
-
     return( p_stream->i_activated );
 #undef  p_stream
 }
@@ -240,17 +254,6 @@ static void Ogg_StreamStop( input_thread_t *p_input,
 #undef  p_stream
 }
 
-static int Ogg_StreamSeek( input_thread_t *p_input, demux_sys_t  *p_ogg,
-                           int i_stream, mtime_t i_date )
-{
-#define p_stream    p_ogg->pp_stream[i_stream]
-
-    /* FIXME: todo */
-
-    return 1;
-#undef p_stream
-}
-
 /****************************************************************************
  * Ogg_Check: Check we are dealing with an ogg stream.
  ****************************************************************************/
@@ -298,6 +301,52 @@ static int Ogg_ReadPage( input_thread_t *p_input, demux_sys_t *p_ogg,
     return VLC_SUCCESS;
 }
 
+/****************************************************************************
+ * Ogg_UpdatePCR: update the PCR (90kHz program clock reference) for the
+ *                current stream.
+ ****************************************************************************/
+static void Ogg_UpdatePCR( logical_stream_t *p_stream,
+                           ogg_packet *p_oggpacket )
+{
+
+    /* Convert the next granulepos into a pcr */
+    if( p_oggpacket->granulepos >= 0 )
+    {
+        if( p_stream->i_fourcc != VLC_FOURCC( 't','h','e','o' ) )
+        {
+            p_stream->i_pcr = p_oggpacket->granulepos * 90000
+                              / p_stream->f_rate;
+        }
+        else
+        {
+            ogg_int64_t iframe = p_oggpacket->granulepos >>
+              p_stream->i_theora_keyframe_granule_shift;
+            ogg_int64_t pframe = p_oggpacket->granulepos -
+              ( iframe << p_stream->i_theora_keyframe_granule_shift );
+
+            p_stream->i_pcr = ( iframe + pframe ) * 90000
+                              / p_stream->f_rate;
+        }
+
+        p_stream->i_interpolated_pcr = p_stream->i_pcr;
+    }
+    else
+    {
+        /* FIXME: ffmpeg doesn't like null pts */
+        if( p_stream->i_cat == VIDEO_ES )
+            /* 1 frame per packet */
+            p_stream->i_pcr += (90000 / p_stream->f_rate);
+        else
+            p_stream->i_pcr = -1;
+
+        /* no granulepos available, try to interpolate the pcr.
+         * If we can't then don't touch the old value. */
+        if( p_stream->i_bitrate )
+            p_stream->i_interpolated_pcr += ( p_oggpacket->bytes * 90000
+                                              / p_stream->i_bitrate / 8 );
+    }
+}
+
 /****************************************************************************
  * Ogg_DecodePacket: Decode an Ogg packet.
  ****************************************************************************/
@@ -307,12 +356,12 @@ static void Ogg_DecodePacket( input_thread_t *p_input,
 {
     pes_packet_t  *p_pes;
     data_packet_t *p_data;
-    demux_sys_t *p_ogg = p_input->p_demux_data;
+    vlc_bool_t b_trash = VLC_FALSE;
     int i_header_len = 0;
 
     if( p_stream->b_force_backup )
     {
-        /* Backup the ogg packet (likely an header) */
+        /* Backup the ogg packet (likely an header packet) */
         ogg_packet *p_packet_backup;
         p_stream->i_packets_backup++;
         p_stream->p_packets_backup =
@@ -341,16 +390,18 @@ static void Ogg_DecodePacket( input_thread_t *p_input,
         }
     }
 
-    if( !p_stream->p_es->p_decoder_fifo )
+    vlc_mutex_lock( &p_input->stream.control.control_lock );
+    if( p_stream->i_cat == AUDIO_ES && p_input->stream.control.b_mute )
+    {
+        b_trash = VLC_TRUE;
+    }
+    vlc_mutex_unlock( &p_input->stream.control.control_lock );
+
+    if( !p_stream->p_es->p_decoder_fifo || b_trash )
     {
         /* This stream isn't currently selected so we don't need to decode it,
          * but we do need to store its pcr as it might be selected later on. */
-
-        /* Convert the next granule into a pcr */
-        p_stream->i_pcr = ( p_oggpacket->granulepos < 0 ) ?
-            p_stream->i_pcr + ( p_oggpacket->bytes * 90000
-                / p_stream->i_bitrate / 8 ):
-            p_oggpacket->granulepos * 90000 / p_stream->i_rate;
+        Ogg_UpdatePCR( p_stream, p_oggpacket );
 
         return;
     }
@@ -367,44 +418,32 @@ static void Ogg_DecodePacket( input_thread_t *p_input,
     }
 
     /* Convert the pcr into a pts */
-    p_pes->i_pts = ( p_stream->i_pcr < 0 ) ? 0 :
-        input_ClockGetTS( p_input, p_input->stream.p_selected_program,
-                          p_stream->i_pcr );
-
-    /* Convert the next granule into a pcr */
-    if( p_oggpacket->granulepos < 0 )
+    if( p_stream->i_cat != SPU_ES )
     {
-        /* FIXME: ffmpeg doesn't like null pts */
-        if( p_stream->i_cat == VIDEO_ES )
-            p_stream->i_pcr += (90000 / p_stream->i_rate);
-        else
-            p_stream->i_pcr = -1;
+        p_pes->i_pts = ( p_stream->i_pcr < 0 ) ? 0 :
+            input_ClockGetTS( p_input, p_input->stream.p_selected_program,
+                              p_stream->i_pcr );
     }
     else
     {
-        p_stream->i_pcr = p_oggpacket->granulepos * 90000 / p_stream->i_rate;
+        /* Of course subtitles had to be different! */
+        p_pes->i_pts = ( p_oggpacket->granulepos < 0 ) ? 0 :
+            input_ClockGetTS( p_input, p_input->stream.p_selected_program,
+                              p_oggpacket->granulepos * 90000 /
+                              p_stream->f_rate );
     }
 
-    /* Update the main pcr */
-    if( p_stream == p_ogg->p_stream_timeref )
-    {
-        if( p_ogg->p_stream_timeref->i_pcr >= 0 )
-        {
-            p_ogg->i_pcr = p_ogg->p_stream_timeref->i_pcr;
-        }
-        else
-        {
-            p_ogg->i_pcr += ( p_oggpacket->bytes * 90000
-                              / p_stream->i_bitrate / 8 );
-        }
-    }
+    /* Convert the next granulepos into a pcr */
+    Ogg_UpdatePCR( p_stream, p_oggpacket );
 
     p_pes->i_nb_data = 1;
     p_pes->i_dts = p_oggpacket->granulepos;
     p_pes->p_first = p_pes->p_last = p_data;
     p_pes->i_pes_size = p_oggpacket->bytes;
 
-    if( p_stream->i_fourcc != VLC_FOURCC( 'v','o','r','b' ) )
+    if( p_stream->i_fourcc != VLC_FOURCC( 'v','o','r','b' ) &&
+        p_stream->i_fourcc != VLC_FOURCC( 't','a','r','k' ) &&
+        p_stream->i_fourcc != VLC_FOURCC( 't','h','e','o' ) )
     {
         /* Remove the header from the packet */
         i_header_len = (*p_oggpacket->packet & PACKET_LEN_BITS01) >> 6;
@@ -412,6 +451,15 @@ static void Ogg_DecodePacket( input_thread_t *p_input,
         i_header_len++;
 
         p_pes->i_pes_size -= i_header_len;
+        p_pes->i_dts = 0;
+    }
+
+    if( p_stream->i_fourcc == VLC_FOURCC( 't','a','r','k' ) )
+    {
+        /* FIXME: the biggest hack I've ever done */
+        msg_Warn( p_input, "tark pts: "I64Fd", granule: "I64Fd,
+                  p_pes->i_pts, p_pes->i_dts );
+        msleep(10000);
     }
 
     memcpy( p_data->p_payload_start,
@@ -419,6 +467,7 @@ static void Ogg_DecodePacket( input_thread_t *p_input,
             p_oggpacket->bytes - i_header_len );
 
     p_data->p_payload_end = p_data->p_payload_start + p_pes->i_pes_size;
+    p_data->b_discard_payload = 0;
 
     input_DecodePES( p_stream->p_es->p_decoder_fifo, p_pes );
 }
@@ -462,10 +511,6 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
                 p_stream->i_serial_no = ogg_page_serialno( &oggpage );
                 ogg_stream_init( &p_stream->os, p_stream->i_serial_no );
 
-                /* The first stream we find is our timeref (might be changed
-                 * later on) */
-                p_ogg->p_stream_timeref = p_stream;
-
                 /* Extract the initial header from the first page and verify
                  * the codec type of tis Ogg bitstream */
                 if( ogg_stream_pagein( &p_stream->os, &oggpage ) < 0 )
@@ -497,9 +542,295 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
                     /* Cheat and get additionnal info ;) */
                     oggpack_readinit( &opb, oggpacket.packet, oggpacket.bytes);
                     oggpack_adv( &opb, 96 );
-                    p_stream->i_rate = oggpack_read( &opb, 32 );
+                    p_stream->f_rate = oggpack_read( &opb, 32 );
                     oggpack_adv( &opb, 32 );
                     p_stream->i_bitrate = oggpack_read( &opb, 32 );
+                    {
+                        char title[sizeof("Stream") + 10];
+                        input_info_category_t *p_cat;
+                        sprintf( title, "Stream %d", p_ogg->i_streams );
+                        p_cat = input_InfoCategory( p_input, title );
+                        input_AddInfo( p_cat, "Type", "Audio" );
+                        input_AddInfo( p_cat, "Codec", "vorbis" );
+                        input_AddInfo( p_cat, "Sample Rate", "%f",
+                                       p_stream->f_rate );
+                        input_AddInfo( p_cat, "Bit Rate", "%d",
+                                       p_stream->i_bitrate );
+                    }
+                }
+                /* Check for Theora header */
+                else if( oggpacket.bytes >= 7 &&
+                         ! strncmp( &oggpacket.packet[1], "theora", 6 ) )
+                {
+#ifdef HAVE_OGGPACKB
+                    oggpack_buffer opb;
+                    int i_fps_numerator;
+                    int i_fps_denominator;
+                    int i_keyframe_frequency_force;
+#endif
+
+                    msg_Dbg( p_input, "found theora header" );
+#ifdef HAVE_OGGPACKB
+                    p_stream->i_cat = VIDEO_ES;
+                    p_stream->i_fourcc = VLC_FOURCC( 't','h','e','o' );
+
+                    /* Cheat and get additionnal info ;) */
+                    oggpackB_readinit(&opb, oggpacket.packet, oggpacket.bytes);
+                    oggpackB_adv( &opb, 56 );
+                    oggpackB_read( &opb, 8 ); /* major version num */
+                    oggpackB_read( &opb, 8 ); /* minor version num */
+                    oggpackB_read( &opb, 8 ); /* subminor version num */
+                    oggpackB_read( &opb, 16 ) /*<< 4*/; /* width */
+                    oggpackB_read( &opb, 16 ) /*<< 4*/; /* height */
+                    i_fps_numerator = oggpackB_read( &opb, 32 );
+                    i_fps_denominator = oggpackB_read( &opb, 32 );
+                    oggpackB_read( &opb, 24 ); /* aspect_numerator */
+                    oggpackB_read( &opb, 24 ); /* aspect_denominator */
+                    i_keyframe_frequency_force = 1 << oggpackB_read( &opb, 5 );
+                    p_stream->i_bitrate = oggpackB_read( &opb, 24 );
+                    oggpackB_read(&opb,6); /* quality */
+
+                    /* granule_shift = i_log( frequency_force -1 ) */
+                    p_stream->i_theora_keyframe_granule_shift = 0;
+                    i_keyframe_frequency_force--;
+                    while( i_keyframe_frequency_force )
+                    {
+                        p_stream->i_theora_keyframe_granule_shift++;
+                        i_keyframe_frequency_force >>= 1;
+                    }
+
+                    p_stream->f_rate = (float)i_fps_numerator /
+                                                i_fps_denominator;
+                    msg_Dbg( p_input,
+                             "found theora header, bitrate: %i, rate: %f",
+                             p_stream->i_bitrate, p_stream->f_rate );
+                    {
+                        char title[sizeof("Stream") + 10];
+                        input_info_category_t *p_cat;
+                        sprintf( title, "Stream %d", p_ogg->i_streams );
+                        p_cat = input_InfoCategory( p_input, title );
+                        input_AddInfo( p_cat, "Type", "Video" );
+                        input_AddInfo( p_cat, "Codec", "theora" );
+                        input_AddInfo( p_cat, "Frame Rate", "%f",
+                                       p_stream->f_rate );
+                        input_AddInfo( p_cat, "Bit Rate", "%d",
+                                       p_stream->i_bitrate );
+                    }
+#else /* HAVE_OGGPACKB */
+                    msg_Dbg( p_input, "the ogg demuxer has been compiled "
+                             "without support for the oggpackB extension."
+                             "The theora stream won't be decoded." );
+                    free( p_stream );
+                    p_ogg->i_streams--;
+                    continue;
+#endif /* HAVE_OGGPACKB */
+                }
+                /* Check for Tarkin header */
+                else if( oggpacket.bytes >= 7 &&
+                         ! strncmp( &oggpacket.packet[1], "tarkin", 6 ) )
+                {
+                    oggpack_buffer opb;
+
+                    msg_Dbg( p_input, "found tarkin header" );
+                    p_stream->i_cat = VIDEO_ES;
+                    p_stream->i_fourcc = VLC_FOURCC( 't','a','r','k' );
+
+                    /* Cheat and get additionnal info ;) */
+                    oggpack_readinit( &opb, oggpacket.packet, oggpacket.bytes);
+                    oggpack_adv( &opb, 88 );
+                    oggpack_adv( &opb, 104 );
+                    p_stream->i_bitrate = oggpack_read( &opb, 32 );
+                    p_stream->f_rate = 2; /* FIXME */
+                    msg_Dbg( p_input,
+                             "found tarkin header, bitrate: %i, rate: %f",
+                             p_stream->i_bitrate, p_stream->f_rate );
+                                        {
+                        char title[sizeof("Stream") + 10];
+                        input_info_category_t *p_cat;
+                        sprintf( title, "Stream %d", p_ogg->i_streams );
+                        p_cat = input_InfoCategory( p_input, title );
+                        input_AddInfo( p_cat, "Type", "Video" );
+                        input_AddInfo( p_cat, "Codec", "tarkin" );
+                        input_AddInfo( p_cat, "Sample Rate", "%f",
+                                       p_stream->f_rate );
+                        input_AddInfo( p_cat, "Bit Rate", "%d",
+                                       p_stream->i_bitrate );
+                    }
+
+                }
+                else if( oggpacket.bytes >= 142 &&
+                         !strncmp( &oggpacket.packet[1],
+                                   "Direct Show Samples embedded in Ogg", 35 ))
+                {
+                    /* Old header type */
+
+                    /* Check for video header (old format) */
+                    if( GetDWLE((oggpacket.packet+96)) == 0x05589f80 &&
+                        oggpacket.bytes >= 184 )
+                    {
+                        p_stream->i_cat = VIDEO_ES;
+
+                        p_stream->p_bih = (BITMAPINFOHEADER *)
+                            malloc( sizeof(BITMAPINFOHEADER) );
+                        if( !p_stream->p_bih )
+                        {
+                            /* Mem allocation error, just ignore the stream */
+                            free( p_stream );
+                            p_ogg->i_streams--;
+                            continue;
+                        }
+                        p_stream->p_bih->biSize = sizeof(BITMAPINFOHEADER);
+                        p_stream->p_bih->biCompression= p_stream->i_fourcc =
+                            VLC_FOURCC( oggpacket.packet[68],
+                                        oggpacket.packet[69],
+                                        oggpacket.packet[70],
+                                        oggpacket.packet[71] );
+                        msg_Dbg( p_input, "found video header of type: %.4s",
+                                 (char *)&p_stream->i_fourcc );
+
+                        p_stream->f_rate = 10000000.0 /
+                            GetQWLE((oggpacket.packet+164));
+                        p_stream->p_bih->biBitCount =
+                            GetWLE((oggpacket.packet+182));
+                        if( !p_stream->p_bih->biBitCount )
+                            p_stream->p_bih->biBitCount=24; // hack, FIXME
+                        p_stream->p_bih->biWidth =
+                            GetDWLE((oggpacket.packet+176));
+                        p_stream->p_bih->biHeight =
+                            GetDWLE((oggpacket.packet+180));
+                        p_stream->p_bih->biPlanes= 1 ;
+                        p_stream->p_bih->biSizeImage =
+                            (p_stream->p_bih->biBitCount >> 3) *
+                            p_stream->p_bih->biWidth *
+                            p_stream->p_bih->biHeight;
+
+                        msg_Dbg( p_input,
+                             "fps: %f, width:%i; height:%i, bitcount:%i",
+                            p_stream->f_rate, p_stream->p_bih->biWidth,
+                            p_stream->p_bih->biHeight,
+                            p_stream->p_bih->biBitCount);
+                        {
+                            char title[sizeof("Stream") + 10];
+                            input_info_category_t *p_cat;
+                            sprintf( title, "Stream %d", p_ogg->i_streams );
+                            p_cat = input_InfoCategory( p_input, title );
+                            input_AddInfo( p_cat, "Type", "Video" );
+                            input_AddInfo( p_cat, "Codec", "%.4s",
+                                           (char *)&p_stream->i_fourcc );
+                            input_AddInfo( p_cat, "Frame Rate", "%f",
+                                           p_stream->f_rate );
+                            input_AddInfo( p_cat, "Bit Count", "%d",
+                                           p_stream->p_bih->biBitCount );
+                            input_AddInfo( p_cat, "Width", "%d",
+                                           p_stream->p_bih->biWidth );
+                            input_AddInfo( p_cat, "Height", "%d",
+                                           p_stream->p_bih->biHeight );
+                        }
+                        p_stream->i_bitrate = 0;
+                    }
+                    /* Check for audio header (old format) */
+                    else if( GetDWLE((oggpacket.packet+96)) == 0x05589F81 )
+                    {
+                        unsigned int i_extra_size;
+
+                        p_stream->i_cat = AUDIO_ES;
+
+                        i_extra_size = GetWLE((oggpacket.packet+140));
+
+                        p_stream->p_wf = (WAVEFORMATEX *)
+                            malloc( sizeof(WAVEFORMATEX) + i_extra_size );
+                        if( !p_stream->p_wf )
+                        {
+                            /* Mem allocation error, just ignore the stream */
+                            free( p_stream );
+                            p_ogg->i_streams--;
+                            continue;
+                        }
+
+                        p_stream->p_wf->wFormatTag =
+                            GetWLE((oggpacket.packet+124));
+                        p_stream->p_wf->nChannels =
+                            GetWLE((oggpacket.packet+126));
+                        p_stream->f_rate = p_stream->p_wf->nSamplesPerSec =
+                            GetDWLE((oggpacket.packet+128));
+                        p_stream->i_bitrate = p_stream->p_wf->nAvgBytesPerSec =
+                            GetDWLE((oggpacket.packet+132));
+                        p_stream->i_bitrate *= 8;
+                        p_stream->p_wf->nBlockAlign =
+                            GetWLE((oggpacket.packet+136));
+                        p_stream->p_wf->wBitsPerSample =
+                            GetWLE((oggpacket.packet+138));
+                        p_stream->p_wf->cbSize = i_extra_size;
+
+                        if( i_extra_size > 0 )
+                            memcpy( p_stream->p_wf+sizeof(WAVEFORMATEX),
+                                    oggpacket.packet+142, i_extra_size );
+
+                        switch( p_stream->p_wf->wFormatTag )
+                        {
+                        case WAVE_FORMAT_PCM:
+                            p_stream->i_fourcc =
+                                VLC_FOURCC( 'a', 'r', 'a', 'w' );
+                            break;
+                        case WAVE_FORMAT_MPEG:
+                        case WAVE_FORMAT_MPEGLAYER3:
+                            p_stream->i_fourcc =
+                                VLC_FOURCC( 'm', 'p', 'g', 'a' );
+                            break;
+                        case WAVE_FORMAT_A52:
+                            p_stream->i_fourcc =
+                                VLC_FOURCC( 'a', '5', '2', ' ' );
+                            break;
+                        case WAVE_FORMAT_WMA1:
+                            p_stream->i_fourcc =
+                                VLC_FOURCC( 'w', 'm', 'a', '1' );
+                            break;
+                        case WAVE_FORMAT_WMA2:
+                            p_stream->i_fourcc =
+                                VLC_FOURCC( 'w', 'm', 'a', '2' );
+                            break;
+                        default:
+                            p_stream->i_fourcc = VLC_FOURCC( 'm', 's',
+                                ( p_stream->p_wf->wFormatTag >> 8 ) & 0xff,
+                                p_stream->p_wf->wFormatTag & 0xff );
+                        }
+
+                        msg_Dbg( p_input, "found audio header of type: %.4s",
+                                 (char *)&p_stream->i_fourcc );
+                        msg_Dbg( p_input, "audio:0x%4.4x channels:%d %dHz "
+                                 "%dbits/sample %dkb/s",
+                                 p_stream->p_wf->wFormatTag,
+                                 p_stream->p_wf->nChannels,
+                                 p_stream->p_wf->nSamplesPerSec,
+                                 p_stream->p_wf->wBitsPerSample,
+                                 p_stream->p_wf->nAvgBytesPerSec * 8 / 1024 );
+                        {
+                            char title[sizeof("Stream") + 10];
+                            input_info_category_t *p_cat;
+                            sprintf( title, "Stream %d", p_ogg->i_streams );
+                            p_cat = input_InfoCategory( p_input, title );
+                            input_AddInfo( p_cat, "Type", "Audio" );
+                            input_AddInfo( p_cat, "Codec", "%.4s", 
+                                           (char *)&p_stream->i_fourcc );
+                            input_AddInfo( p_cat, "Sample Rate", "%d",
+                                           p_stream->p_wf->nSamplesPerSec );
+                            input_AddInfo( p_cat, "Bit Rate", "%d",
+                                           p_stream->p_wf->nAvgBytesPerSec * 8
+                                              / 1024 );
+                            input_AddInfo( p_cat, "Channels", "%d",
+                                           p_stream->p_wf->nChannels );
+                            input_AddInfo( p_cat, "Bits per Sample", "%d",
+                                           p_stream->p_wf->wBitsPerSample );
+                        }
+
+                    }
+                    else
+                    {
+                        msg_Dbg( p_input, "stream %d has an old header "
+                            "but is of an unknown type", p_ogg->i_streams-1 );
+                        free( p_stream );
+                        p_ogg->i_streams--;
+                    }
                 }
                 else if( (*oggpacket.packet & PACKET_TYPE_BITS )
                          == PACKET_TYPE_HEADER && 
@@ -515,8 +846,15 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
                         /* We need to get rid of the header packet */
                         ogg_stream_packetout( &p_stream->os, &oggpacket );
 
-                        p_stream->p_bih = (BITMAPINFOHEADER*)
-                            calloc( 1, sizeof(BITMAPINFOHEADER) );
+                        p_stream->p_bih = (BITMAPINFOHEADER *)
+                            malloc( sizeof(BITMAPINFOHEADER) );
+                        if( !p_stream->p_bih )
+                        {
+                            /* Mem allocation error, just ignore the stream */
+                            free( p_stream );
+                            p_ogg->i_streams--;
+                            continue;
+                        }
                         p_stream->p_bih->biSize = sizeof(BITMAPINFOHEADER);
                         p_stream->p_bih->biCompression=
                             p_stream->i_fourcc = VLC_FOURCC( st->subtype[0],
@@ -526,11 +864,14 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
                         msg_Dbg( p_input, "found video header of type: %.4s",
                                  (char *)&p_stream->i_fourcc );
 
-                        p_stream->i_rate = 10000000.0 / st->time_unit;
-
-                        p_stream->p_bih->biBitCount = st->bits_per_sample;
-                        p_stream->p_bih->biWidth = st->sh.video.width;
-                        p_stream->p_bih->biHeight = st->sh.video.height;
+                        p_stream->f_rate = 10000000.0 /
+                            GetQWLE((uint8_t *)&st->time_unit);
+                        p_stream->p_bih->biBitCount =
+                            GetWLE((uint8_t *)&st->bits_per_sample);
+                        p_stream->p_bih->biWidth =
+                            GetDWLE((uint8_t *)&st->sh.video.width);
+                        p_stream->p_bih->biHeight =
+                            GetDWLE((uint8_t *)&st->sh.video.height);
                         p_stream->p_bih->biPlanes= 1 ;
                         p_stream->p_bih->biSizeImage =
                             (p_stream->p_bih->biBitCount >> 3) *
@@ -539,39 +880,64 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
 
                         msg_Dbg( p_input,
                              "fps: %f, width:%i; height:%i, bitcount:%i",
-                            p_stream->i_rate, p_stream->p_bih->biWidth,
+                            p_stream->f_rate, p_stream->p_bih->biWidth,
                             p_stream->p_bih->biHeight,
                             p_stream->p_bih->biBitCount);
+
+                        {
+                            char title[sizeof("Stream") + 10];
+                            input_info_category_t *p_cat;
+                            sprintf( title, "Stream %d", p_ogg->i_streams );
+                            p_cat = input_InfoCategory( p_input, title );
+                            input_AddInfo( p_cat, "Type", "Video" );
+                            input_AddInfo( p_cat, "Codec", "%.4s",
+                                           (char *)&p_stream->i_fourcc );
+                            input_AddInfo( p_cat, "Frame Rate", "%f",
+                                           p_stream->f_rate );
+                            input_AddInfo( p_cat, "Bit Count", "%d",
+                                           p_stream->p_bih->biBitCount );
+                            input_AddInfo( p_cat, "Width", "%d",
+                                           p_stream->p_bih->biWidth );
+                            input_AddInfo( p_cat, "Height", "%d",
+                                           p_stream->p_bih->biHeight );
+                        }
+                        p_stream->i_bitrate = 0;
                     }
                     /* Check for audio header (new format) */
                     else if( !strncmp( st->streamtype, "audio", 5 ) )
                     {
                         char p_buffer[5];
-                        int i_extra_size = st->size - sizeof(stream_header);
 
                         p_stream->i_cat = AUDIO_ES;
 
                         /* We need to get rid of the header packet */
                         ogg_stream_packetout( &p_stream->os, &oggpacket );
 
-                        memcpy( p_buffer, st->subtype, 4 );
-                        p_buffer[4] = '\0';
                         p_stream->p_wf = (WAVEFORMATEX *)
-                            calloc( 1, sizeof(WAVEFORMATEX) + i_extra_size );
+                            malloc( sizeof(WAVEFORMATEX) );
+                        if( !p_stream->p_wf )
+                        {
+                            /* Mem allocation error, just ignore the stream */
+                            free( p_stream );
+                            p_ogg->i_streams--;
+                            continue;
+                        }
 
+                        memcpy( p_buffer, st->subtype, 4 );
+                        p_buffer[4] = '\0';
                         p_stream->p_wf->wFormatTag = strtol(p_buffer,NULL,16);
-                        p_stream->p_wf->nChannels = st->sh.audio.channels;
-                        p_stream->i_rate = p_stream->p_wf->nSamplesPerSec =
-                            st->samples_per_unit;
+                        p_stream->p_wf->nChannels =
+                            GetWLE((uint8_t *)&st->sh.audio.channels);
+                        p_stream->f_rate = p_stream->p_wf->nSamplesPerSec =
+                            GetQWLE((uint8_t *)&st->samples_per_unit);
                         p_stream->i_bitrate = p_stream->p_wf->nAvgBytesPerSec =
-                            st->sh.audio.avgbytespersec;
+                            GetDWLE((uint8_t *)&st->sh.audio.avgbytespersec);
                         p_stream->i_bitrate *= 8;
-                        p_stream->p_wf->nBlockAlign = st->sh.audio.blockalign;
-                        p_stream->p_wf->wBitsPerSample = st->bits_per_sample;
-                        p_stream->p_wf->cbSize = i_extra_size;
-                        if( i_extra_size )
-                            memcpy( p_stream->p_wf + sizeof(WAVEFORMATEX),
-                                    &st[1] , i_extra_size );
+                        p_stream->p_wf->nBlockAlign =
+                            GetWLE((uint8_t *)&st->sh.audio.blockalign);
+                        p_stream->p_wf->wBitsPerSample =
+                            GetWLE((uint8_t *)&st->bits_per_sample);
+                        p_stream->p_wf->cbSize = 0;
 
                         switch( p_stream->p_wf->wFormatTag )
                         {
@@ -611,6 +977,36 @@ static int Ogg_FindLogicalStreams( input_thread_t *p_input, demux_sys_t *p_ogg)
                                  p_stream->p_wf->nSamplesPerSec,
                                  p_stream->p_wf->wBitsPerSample,
                                  p_stream->p_wf->nAvgBytesPerSec * 8 / 1024 );
+                        {
+                            char title[sizeof("Stream") + 10];
+                            input_info_category_t *p_cat;
+                            sprintf( title, "Stream %d", p_ogg->i_streams );
+                            p_cat = input_InfoCategory( p_input, title );
+                            input_AddInfo( p_cat, "Type", "Audio" );
+                            input_AddInfo( p_cat, "Codec", "%.4s", 
+                                           (char *)&p_stream->i_fourcc );
+                            input_AddInfo( p_cat, "Sample Rate", "%d",
+                                           p_stream->p_wf->nSamplesPerSec );
+                            input_AddInfo( p_cat, "Bit Rate", "%d",
+                                           p_stream->p_wf->nAvgBytesPerSec * 8
+                                              / 1024 );
+                            input_AddInfo( p_cat, "Channels", "%d",
+                                           p_stream->p_wf->nChannels );
+                            input_AddInfo( p_cat, "Bits per Sample", "%d",
+                                           p_stream->p_wf->wBitsPerSample );
+                        }
+                    }
+                    /* Check for text (subtitles) header */
+                    else if( !strncmp(st->streamtype, "text", 4) )
+                    {
+                        /* We need to get rid of the header packet */
+                        ogg_stream_packetout( &p_stream->os, &oggpacket );
+
+                        msg_Dbg( p_input, "found text subtitles header" );
+                        p_stream->i_cat = SPU_ES;
+                        p_stream->i_fourcc =
+                            VLC_FOURCC( 's', 'u', 'b', 't' );
+                        p_stream->f_rate = 1000; /* granulepos is in milisec */
                     }
                     else
                     {
@@ -678,7 +1074,6 @@ static int Activate( vlc_object_t * p_this )
     p_input->p_demux_data = p_ogg;
 
     p_ogg->i_pcr  = 0;
-    p_ogg->p_stream_timeref = NULL;
     p_ogg->b_seekable = ( ( p_input->stream.b_seekable )
                         &&( p_input->stream.i_method == INPUT_METHOD_FILE ) );
 
@@ -730,11 +1125,11 @@ static int Activate( vlc_object_t * p_this )
                                       p_ogg->i_streams + 1, 0 );
         p_input->stream.i_mux_rate += (p_stream->i_bitrate / ( 8 * 50 ));
         vlc_mutex_unlock( &p_input->stream.stream_lock );
-        p_stream->p_es->i_stream_id = i_stream;
+        p_stream->p_es->i_stream_id = p_stream->p_es->i_id = i_stream;
         p_stream->p_es->i_fourcc = p_stream->i_fourcc;
         p_stream->p_es->i_cat = p_stream->i_cat;
-        p_stream->p_es->p_demux_data = p_stream->p_bih ?
-            (void *)p_stream->p_bih : (void *)p_stream->p_wf;
+        p_stream->p_es->p_waveformatex      = (void*)p_stream->p_wf;
+        p_stream->p_es->p_bitmapinfoheader  = (void*)p_stream->p_bih;
 #undef p_stream
     }
 
@@ -744,7 +1139,6 @@ static int Activate( vlc_object_t * p_this )
         switch( p_stream->p_es->i_cat )
         {
             case( VIDEO_ES ):
-
                 if( (p_ogg->p_stream_video == NULL) )
                 {
                     p_ogg->p_stream_video = p_stream;
@@ -756,9 +1150,32 @@ static int Activate( vlc_object_t * p_this )
             case( AUDIO_ES ):
                 if( (p_ogg->p_stream_audio == NULL) )
                 {
-                    p_ogg->p_stream_audio = p_stream;
-                    p_ogg->p_stream_timeref = p_stream;
-                    Ogg_StreamStart( p_input, p_ogg, i_stream );
+                    int i_audio = config_GetInt( p_input, "audio-channel" );
+                    if( i_audio == i_stream || i_audio <= 0 ||
+                        i_audio >= p_ogg->i_streams ||
+                        p_ogg->pp_stream[i_audio]->p_es->i_cat != AUDIO_ES )
+                    {
+                        p_ogg->p_stream_audio = p_stream;
+                        Ogg_StreamStart( p_input, p_ogg, i_stream );
+                    }
+                }
+                break;
+
+            case( SPU_ES ):
+                if( (p_ogg->p_stream_spu == NULL) )
+                {
+                    /* for spu, default is none */
+                    int i_spu = config_GetInt( p_input, "spu-channel" );
+                    if( i_spu < 0 || i_spu >= p_ogg->i_streams ||
+                        p_ogg->pp_stream[i_spu]->p_es->i_cat != SPU_ES )
+                    {
+                        break;
+                    }
+                    else if( i_spu == i_stream )
+                    {
+                        p_ogg->p_stream_spu = p_stream;
+                        Ogg_StreamStart( p_input, p_ogg, i_stream );
+                    }
                 }
                 break;
 
@@ -889,7 +1306,6 @@ static int Demux( input_thread_t * p_input )
                   &&( p_stream->p_es->p_decoder_fifo ) )
             {
                 p_ogg->p_stream_audio = p_stream;
-                p_ogg->p_stream_timeref = p_stream;
                 break;
             }
         }
@@ -907,14 +1323,17 @@ static int Demux( input_thread_t * p_input )
         {
             /* we'll trash all the data until we find the next pcr */
             p_stream->b_reinit = 1;
-            p_ogg->i_pcr = 0;
+            p_stream->i_pcr = -1;
+            p_stream->i_interpolated_pcr = -1;
         }
+        p_ogg->b_reinit = 1;
     }
 
 
-    /* Demux ogg pages from the stream */
-    for( i = 0; (i < PAGES_READ_ONCE) || p_ogg->p_stream_timeref->b_reinit;
-         i++ )
+    /*
+     * Demux ogg pages from the stream
+     */
+    for( i = 0; i < PAGES_READ_ONCE || p_ogg->b_reinit;  i++ )
     {
         if( Ogg_ReadPage( p_input, p_ogg, &oggpage ) != VLC_SUCCESS )
         {
@@ -939,19 +1358,23 @@ static int Demux( input_thread_t * p_input )
                     if( oggpacket.granulepos >= 0 )
                     {
                         p_stream->b_reinit = 0;
-                        p_stream->i_pcr = oggpacket.granulepos
-                            * 90000 / p_stream->i_rate;
 
-                        if( !p_ogg->i_pcr ||
-                            (p_stream == p_ogg->p_stream_timeref) )
-                        {
-                            /* Call the pace control to reinitialize
-                             * the system clock */
-                            p_ogg->i_pcr = p_stream->i_pcr;
-                            input_ClockManageRef( p_input,
-                               p_input->stream.p_selected_program,
-                               p_ogg->i_pcr );
-                        }
+                        /* Convert the next granulepos into a pcr */
+                        Ogg_UpdatePCR( p_stream, &oggpacket );
+
+                        /* Call the pace control to reinitialize
+                         * the system clock */
+                         input_ClockManageRef( p_input,
+                             p_input->stream.p_selected_program,
+                             p_stream->i_pcr );
+
+                         if( (!p_ogg->p_stream_video ||
+                              !p_ogg->p_stream_video->b_reinit) &&
+                             (!p_ogg->p_stream_audio ||
+                              !p_ogg->p_stream_audio->b_reinit) )
+                         {
+                             p_ogg->b_reinit = 0;
+                         }
                     }
                     continue;
                 }
@@ -960,13 +1383,25 @@ static int Demux( input_thread_t * p_input )
 
             }
         }
-#undef p_stream
     }
 
+    i_stream = 0;
+    p_ogg->i_pcr = p_stream->i_interpolated_pcr;
+    for( ; i_stream < p_ogg->i_streams; i_stream++ )
+    {
+        if( p_stream->i_cat == SPU_ES )
+            continue;
+
+        if( p_stream->i_interpolated_pcr > 0
+            && p_stream->i_interpolated_pcr < p_ogg->i_pcr )
+            p_ogg->i_pcr = p_stream->i_interpolated_pcr;
+    }
+#undef p_stream
+
+
     /* Call the pace control */
-    if( !b_eos ) input_ClockManageRef( p_input,
-                                       p_input->stream.p_selected_program,
-                                       p_ogg->i_pcr );
+    input_ClockManageRef( p_input, p_input->stream.p_selected_program,
+                          p_ogg->i_pcr );
 
     /* Did we reach the end of stream ? */
     return( b_eos ? 0 : 1 );