From b771c98ced1d2179193572a2a41ed007a5ed6d5b Mon Sep 17 00:00:00 2001
From: pontscho <pontscho@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Fri, 16 Nov 2001 22:26:57 +0000
Subject: add dvd audio stream detect

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2936 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libmpdemux/open.c   | 82 +++++++++++++++++++++++++++++++++++++++++------------
 libmpdemux/stream.h | 35 +++++++++++++++++++++++
 2 files changed, 99 insertions(+), 18 deletions(-)

(limited to 'libmpdemux')

diff --git a/libmpdemux/open.c b/libmpdemux/open.c
index 5f73540201..0cbe6a3edf 100644
--- a/libmpdemux/open.c
+++ b/libmpdemux/open.c
@@ -47,24 +47,8 @@ int dvd_angle=1;
 #define	LIBDVDREAD_VERSION	DVDREAD_VERSION(0,8,0)
 #endif
 
-
-typedef struct {
-    dvd_reader_t *dvd;
-    dvd_file_t *title;
-    ifo_handle_t *vmg_file;
-    tt_srpt_t *tt_srpt;
-    ifo_handle_t *vts_file;
-    vts_ptt_srpt_t *vts_ptt_srpt;
-    pgc_t *cur_pgc;
-    //
-    int cur_cell;
-    int cur_pack;
-    int cell_last_pack;
-    // Navi:
-    int packs_left;
-    dsi_t dsi_pack;
-    int angle_seek;
-} dvd_priv_t;
+char * dvd_audio_stream_types[8] =
+        { "ac3","unknown","mpeg1","mpeg2ext","lpcm","unknown","dts" };
 
 #endif
 
@@ -221,6 +205,68 @@ if(dvd_title){
     d->tt_srpt=tt_srpt;
     d->vts_file=vts_file;
 
+    /**
+     * Check number of audio channels and types
+     */
+//    fprintf( stderr,"[open] nr_audio streams: %d\n",vts_file->vtsi_mat->nr_of_vts_audio_streams );
+    {
+     int ac3aid = 128;
+     int mpegaid = 0;
+     int pcmaid = 160;
+     
+     d->nr_of_channels=0;
+     
+     if ( vts_file->vts_pgcit ) 
+      {
+       int i;
+       for ( i=0;i<8;i++ )
+        if ( vts_file->vts_pgcit->pgci_srp[0].pgc->audio_control[i] & 0x8000 )
+	 {
+	  audio_attr_t * audio = &vts_file->vtsi_mat->vts_audio_attr[i];
+	  int language = 0;
+	  char tmp[] = "unknown";
+	  
+	  if ( audio->lang_type == 1 ) 
+	   {
+	    language=audio->lang_code;
+	    tmp[0]=language>>8;
+	    tmp[1]=language&0xff;
+	    tmp[2]=0;
+	   }
+	  
+          d->audio_streams[d->nr_of_channels].language=language;
+          d->audio_streams[d->nr_of_channels].id=0;
+	  switch ( audio->audio_format )
+	   {
+	    case 0: // ac3
+	    case 6: // dts
+	            d->audio_streams[d->nr_of_channels].id=ac3aid;
+		    ac3aid++;
+		    break;
+	    case 2: // mpeg layer 1/2/3
+	    case 3: // mpeg2 ext
+	            d->audio_streams[d->nr_of_channels].id=mpegaid;
+		    mpegaid++;
+		    break;
+	    case 4: // lpcm
+	            d->audio_streams[d->nr_of_channels].id=pcmaid;
+		    pcmaid++;
+		    break;
+	   }
+
+          mp_msg(MSGT_OPEN,MSGL_V,"[open] audio stream: %d audio format: %s language: %s aid: %d\n",
+	    d->nr_of_channels,
+            dvd_audio_stream_types[ audio->audio_format ],
+	    tmp,
+	    d->audio_streams[d->nr_of_channels].id
+	    );
+
+	  d->nr_of_channels++;
+	 }
+      }
+     mp_msg(MSGT_OPEN,MSGL_V,"[open] %d audio channel found on disk.\n",d->nr_of_channels );
+    }
+
     /**
      * Determine which program chain we want to watch.  This is based on the
      * chapter number.
diff --git a/libmpdemux/stream.h b/libmpdemux/stream.h
index a6ed95c600..9bda039c1b 100644
--- a/libmpdemux/stream.h
+++ b/libmpdemux/stream.h
@@ -158,4 +158,39 @@ extern int dvd_chapter;
 extern int dvd_angle;
 //#endif
 
+#ifdef USE_DVDREAD
+
+#include <dvdread/dvd_reader.h>
+#include <dvdread/ifo_types.h>
+#include <dvdread/ifo_read.h>
+#include <dvdread/nav_read.h>
+
+typedef struct {
+ int id; // 0 - 31 mpeg; 128 - 159 ac3; 160 - 191 pcm
+ int language; 
+} audio_stream_t;
+
+typedef struct {
+  dvd_reader_t *dvd;
+  dvd_file_t *title;
+  ifo_handle_t *vmg_file;
+  tt_srpt_t *tt_srpt;
+  ifo_handle_t *vts_file;
+  vts_ptt_srpt_t *vts_ptt_srpt;
+  pgc_t *cur_pgc;
+//
+  int cur_cell;
+  int cur_pack;
+  int cell_last_pack;
+// Navi:
+  int packs_left;
+  dsi_t dsi_pack;
+  int angle_seek;
+// audio datas
+  int nr_of_channels;
+  audio_stream_t audio_streams[8];
+} dvd_priv_t;
+
+#endif
+							    
 #endif // __STREAM_H
-- 
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