Support streaming data across binder boundaries.

Change-Id: Ifbac61406dcb81343765f99ccba08bd90f9274cc

3 files changed, 77 insertions, 0 deletions

diff --git a/include/media/IMediaPlayerService.h b/include/media/IMediaPlayerService.h
index 9416ca1..0bfb166 100644
--- a/include/media/IMediaPlayerService.h
+++ b/include/media/IMediaPlayerService.h
@@ -32,6 +32,7 @@ namespace android {
 
 class IMediaRecorder;
 class IOMX;
+struct IStreamSource;
 
 class IMediaPlayerService: public IInterface
 {
@@ -45,6 +46,11 @@ public:
             int audioSessionId = 0) = 0;
     virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client,
             int fd, int64_t offset, int64_t length, int audioSessionId) = 0;
+
+    virtual sp<IMediaPlayer> create(
+            pid_t pid, const sp<IMediaPlayerClient> &client,
+            const sp<IStreamSource> &source, int audioSessionId) = 0;
+
     virtual sp<IMemory>         decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
     virtual sp<IMemory>         decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0;
     virtual sp<IOMX>            getOMX() = 0;
diff --git a/include/media/IStreamSource.h b/include/media/IStreamSource.h
new file mode 100644
index 0000000..6291124
--- /dev/null
+++ b/include/media/IStreamSource.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_ISTREAMSOURCE_H_
+
+#define ANDROID_ISTREAMSOURCE_H_
+
+#include <binder/IInterface.h>
+
+namespace android {
+
+struct IMemory;
+struct IStreamListener;
+
+struct IStreamSource : public IInterface {
+    DECLARE_META_INTERFACE(StreamSource);
+
+    virtual void setListener(const sp<IStreamListener> &listener) = 0;
+    virtual void setBuffers(const Vector<sp<IMemory> > &buffers) = 0;
+
+    virtual void onBufferAvailable(size_t index) = 0;
+};
+
+struct IStreamListener : public IInterface {
+    DECLARE_META_INTERFACE(StreamListener);
+
+    enum Command {
+        FLUSH,
+        DISCONTINUITY,
+        EOS
+    };
+
+    virtual void queueBuffer(size_t index, size_t size) = 0;
+    virtual void queueCommand(Command cmd) = 0;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+struct BnStreamSource : public BnInterface<IStreamSource> {
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+struct BnStreamListener : public BnInterface<IStreamListener> {
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_ISTREAMSOURCE_H_
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
index 672931e..e7f1d6d 100644
--- a/include/media/MediaPlayerInterface.h
+++ b/include/media/MediaPlayerInterface.h
@@ -106,6 +106,11 @@ public:
             const KeyedVector<String8, String8> *headers = NULL) = 0;
 
     virtual status_t    setDataSource(int fd, int64_t offset, int64_t length) = 0;
+
+    virtual status_t    setDataSource(const sp<IStreamSource> &source) {
+        return INVALID_OPERATION;
+    }
+
     virtual status_t    setVideoSurface(const sp<Surface>& surface) = 0;
     virtual status_t    prepare() = 0;
     virtual status_t    prepareAsync() = 0;