Recording and Transfer Mode can now handle up to 8 Dolby Digital tracks

1 files changed, 39 insertions, 10 deletions

diff --git a/device.c b/device.c
index 27b82629..c1dc7aba 100644
--- a/device.c
+++ b/device.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.c 1.76 2005/01/16 16:04:56 kls Exp $
+ * $Id: device.c 1.77 2005/01/23 14:10:15 kls Exp $
  */
 
 #include "device.h"
@@ -660,8 +660,10 @@ void cDevice::ClrAvailableTracks(bool DescriptionsOnly)
      for (int i = ttNone; i < ttMaxTrackTypes; i++)
          *availableTracks[i].description = 0;
      }
-  else
+  else {
      memset(availableTracks, 0, sizeof(availableTracks));
+     pre_1_3_19_PrivateStream = false;
+     }
 }
 
 bool cDevice::SetAvailableTrack(eTrackType Type, int Index, uint16_t Id, const char *Language, const char *Description, uint32_t Flags)
@@ -837,15 +839,42 @@ int cDevice::PlayPesPacket(const uchar *Data, int Length, bool VideoOnly)
                if (!VideoOnly && c == availableTracks[currentAudioTrack].id)
                   w = PlayAudio(Start, d);
                break;
-          case 0xBD: // dolby
-               if (Setup.UseDolbyDigital) {
-                  SetAvailableTrack(ttDolby, 0, c);
-                  if (!VideoOnly && c == availableTracks[currentAudioTrack].id) {
-                     w = PlayAudio(Start, d);
-                     if (FirstLoop)
-                        Audios.PlayAudio(Data, Length);
-                     }
+          case 0xBD: { // private stream 1
+               int PayloadOffset = Data[8] + 9;
+               uchar SubStreamId = Data[PayloadOffset];
+               uchar SubStreamType = SubStreamId & 0xE0;
+               uchar SubStreamIndex = SubStreamId & 0x1F;
+
+               // Compatibility mode for old VDR recordings, where 0xBD was only AC3:
+               //TODO apparently this doesn't work for old ORF Dolby Digital recordings
+               if (!pre_1_3_19_PrivateStream && (Data[6] & 4) && Data[PayloadOffset] == 0x0B && Data[PayloadOffset + 1] == 0x77)
+                  pre_1_3_19_PrivateStream = true;
+               if (pre_1_3_19_PrivateStream) {
+                  SubStreamId = c;
+                  SubStreamType = 0x80;
+                  SubStreamIndex = 0;
                   }
+
+               switch (SubStreamType) {
+                 case 0x20: // SPU
+                      break;
+                 case 0x80: // AC3 & DTS
+                      if (Setup.UseDolbyDigital) {
+                         SetAvailableTrack(ttDolby, SubStreamIndex, SubStreamId);
+                         if (!VideoOnly && SubStreamId == availableTracks[currentAudioTrack].id) {
+                            w = PlayAudio(Start, d);
+                            if (FirstLoop && !(SubStreamId & 0x80)) // no DTS
+                               Audios.PlayAudio(Data, Length);
+                            }
+                         }
+                      break;
+                 case 0xA0: // LPCM
+                      SetAvailableTrack(ttAudio, SubStreamIndex, SubStreamId);
+                      if (!VideoOnly && SubStreamId == availableTracks[currentAudioTrack].id)
+                         w = PlayAudio(Start, d);
+                      break;
+                 }
+               }
                break;
           default:
                ;//esyslog("ERROR: unexpected packet id %02X", c);