commit 6b74d671a1321a6ecc4a40b6c87beedfecc1ec44
author Marco Nelissen <marcone@google.com> Tue Feb 28 16:07:44 2012 -0800
committer Marco Nelissen <marcone@google.com> Tue Mar 13 13:13:14 2012 -0700
tree 44092c52e8439f1991f23601287d424db916c814
parent 887c5d2ac34d81bde66dadbd7b2ff07501744778

Gapless playback, step 1.

Currently able to play Ogg Vorbis, PCM WAV and other lossless files seamlessly
by reusing the initial AudioTrack for subsequent players.

Change-Id: Ie7cf6b9076bdf4f9211574456d192c02c04fecc7

media/libmedia/IMediaPlayer.cpp

diff --git a/media/libmedia/IMediaPlayer.cpp b/media/libmedia/IMediaPlayer.cpp
index c47fa41..16ba484 100644
--- a/media/libmedia/IMediaPlayer.cpp
+++ b/media/libmedia/IMediaPlayer.cpp
@@ -55,6 +55,7 @@
     SET_PARAMETER,
     GET_PARAMETER,
     SET_RETRANSMIT_ENDPOINT,
+    SET_NEXT_PLAYER,
 };
 
 class BpMediaPlayer: public BpInterface<IMediaPlayer>
@@ -307,7 +308,15 @@
         if (OK != err) {
             return err;
         }
+        return reply.readInt32();
+    }
 
+    status_t setNextPlayer(const sp<IMediaPlayer>& player) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
+        sp<IBinder> b(player->asBinder());
+        data.writeStrongBinder(b);
+        remote()->transact(SET_NEXT_PLAYER, data, &reply);
         return reply.readInt32();
     }
 };
@@ -489,7 +498,11 @@
             } else {
                 reply->writeInt32(setRetransmitEndpoint(NULL));
             }
-
+            return NO_ERROR;
+        } break;
+        case SET_NEXT_PLAYER: {
+            CHECK_INTERFACE(IMediaPlayer, data, reply);
+            reply->writeInt32(setNextPlayer(interface_cast<IMediaPlayer>(data.readStrongBinder())));
             return NO_ERROR;
         } break;
         default: