From 1b86fe063badb5f28c467ade39be0f4008688947 Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Wed, 29 Jan 2014 11:13:26 -0800
Subject: FINAL ATTEMPT: HTTP services are now provided from JAVA and made
 available to media code

Change-Id: I9f74a86e70422187c9cf0ca1318a29019700192d
---
 media/libmedia/IMediaHTTPConnection.cpp | 158 ++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 media/libmedia/IMediaHTTPConnection.cpp

(limited to 'media/libmedia/IMediaHTTPConnection.cpp')

diff --git a/media/libmedia/IMediaHTTPConnection.cpp b/media/libmedia/IMediaHTTPConnection.cpp
new file mode 100644
index 0000000..622d9cf
--- /dev/null
+++ b/media/libmedia/IMediaHTTPConnection.cpp
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "IMediaHTTPConnection"
+#include <utils/Log.h>
+
+#include <media/IMediaHTTPConnection.h>
+
+#include <binder/IMemory.h>
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+#include <media/stagefright/foundation/ADebug.h>
+
+namespace android {
+
+enum {
+    CONNECT = IBinder::FIRST_CALL_TRANSACTION,
+    DISCONNECT,
+    READ_AT,
+    GET_SIZE,
+    GET_MIME_TYPE,
+};
+
+struct BpMediaHTTPConnection : public BpInterface<IMediaHTTPConnection> {
+    BpMediaHTTPConnection(const sp<IBinder> &impl)
+        : BpInterface<IMediaHTTPConnection>(impl) {
+    }
+
+    virtual bool connect(
+            const char *uri, const KeyedVector<String8, String8> *headers) {
+        Parcel data, reply;
+        data.writeInterfaceToken(
+                IMediaHTTPConnection::getInterfaceDescriptor());
+
+        String16 tmp(uri);
+        data.writeString16(tmp);
+
+        tmp = String16("");
+        if (headers != NULL) {
+            for (size_t i = 0; i < headers->size(); ++i) {
+                String16 key(headers->keyAt(i).string());
+                String16 val(headers->valueAt(i).string());
+
+                tmp.append(key);
+                tmp.append(String16(": "));
+                tmp.append(val);
+                tmp.append(String16("\r\n"));
+            }
+        }
+        data.writeString16(tmp);
+
+        remote()->transact(CONNECT, data, &reply);
+
+        int32_t exceptionCode = reply.readExceptionCode();
+
+        if (exceptionCode) {
+            return UNKNOWN_ERROR;
+        }
+
+        sp<IBinder> binder = reply.readStrongBinder();
+        mMemory = interface_cast<IMemory>(binder);
+
+        return mMemory != NULL;
+    }
+
+    virtual void disconnect() {
+        Parcel data, reply;
+        data.writeInterfaceToken(
+                IMediaHTTPConnection::getInterfaceDescriptor());
+
+        remote()->transact(DISCONNECT, data, &reply);
+    }
+
+    virtual ssize_t readAt(off64_t offset, void *buffer, size_t size) {
+        Parcel data, reply;
+        data.writeInterfaceToken(
+                IMediaHTTPConnection::getInterfaceDescriptor());
+
+        data.writeInt64(offset);
+        data.writeInt32(size);
+
+        status_t err = remote()->transact(READ_AT, data, &reply);
+        CHECK_EQ(err, (status_t)OK);
+
+        int32_t exceptionCode = reply.readExceptionCode();
+
+        if (exceptionCode) {
+            return UNKNOWN_ERROR;
+        }
+
+        int32_t len = reply.readInt32();
+
+        if (len > 0) {
+            memcpy(buffer, mMemory->pointer(), len);
+        }
+
+        return len;
+    }
+
+    virtual off64_t getSize() {
+        Parcel data, reply;
+        data.writeInterfaceToken(
+                IMediaHTTPConnection::getInterfaceDescriptor());
+
+        remote()->transact(GET_SIZE, data, &reply);
+
+        int32_t exceptionCode = reply.readExceptionCode();
+
+        if (exceptionCode) {
+            return UNKNOWN_ERROR;
+        }
+
+        return reply.readInt64();
+    }
+
+    virtual status_t getMIMEType(String8 *mimeType) {
+        *mimeType = String8("");
+
+        Parcel data, reply;
+        data.writeInterfaceToken(
+                IMediaHTTPConnection::getInterfaceDescriptor());
+
+        remote()->transact(GET_MIME_TYPE, data, &reply);
+
+        int32_t exceptionCode = reply.readExceptionCode();
+
+        if (exceptionCode) {
+            return UNKNOWN_ERROR;
+        }
+
+        *mimeType = String8(reply.readString16());
+
+        return OK;
+    }
+
+private:
+    sp<IMemory> mMemory;
+};
+
+IMPLEMENT_META_INTERFACE(
+        MediaHTTPConnection, "android.media.IMediaHTTPConnection");
+
+}  // namespace android
+
-- 
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