1 files changed, 76 insertions, 0 deletions
diff --git a/media/libstagefright/colorconversion/SoftwareRenderer.cpp b/media/libstagefright/colorconversion/SoftwareRenderer.cpp
new file mode 100644
index 0000000..ef6ede0
--- /dev/null
+++ b/media/libstagefright/colorconversion/SoftwareRenderer.cpp
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2009 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_TAG "SoftwareRenderer"
+#include <utils/Log.h>
+
+#include "../include/SoftwareRenderer.h"
+
+#include <binder/MemoryHeapBase.h>
+#include <media/stagefright/MediaDebug.h>
+#include <ui/ISurface.h>
+
+namespace android {
+
+SoftwareRenderer::SoftwareRenderer(
+        OMX_COLOR_FORMATTYPE colorFormat,
+        const sp<ISurface> &surface,
+        size_t displayWidth, size_t displayHeight,
+        size_t decodedWidth, size_t decodedHeight)
+    : mColorFormat(colorFormat),
+      mConverter(colorFormat, OMX_COLOR_Format16bitRGB565),
+      mISurface(surface),
+      mDisplayWidth(displayWidth),
+      mDisplayHeight(displayHeight),
+      mDecodedWidth(decodedWidth),
+      mDecodedHeight(decodedHeight),
+      mFrameSize(mDecodedWidth * mDecodedHeight * 2),  // RGB565
+      mMemoryHeap(new MemoryHeapBase(2 * mFrameSize)),
+      mIndex(0) {
+    CHECK(mISurface.get() != NULL);
+    CHECK(mDecodedWidth > 0);
+    CHECK(mDecodedHeight > 0);
+    CHECK(mMemoryHeap->heapID() >= 0);
+    CHECK(mConverter.isValid());
+
+    ISurface::BufferHeap bufferHeap(
+            mDisplayWidth, mDisplayHeight,
+            mDecodedWidth, mDecodedHeight,
+            PIXEL_FORMAT_RGB_565,
+            mMemoryHeap);
+
+    status_t err = mISurface->registerBuffers(bufferHeap);
+    CHECK_EQ(err, OK);
+}
+
+SoftwareRenderer::~SoftwareRenderer() {
+    mISurface->unregisterBuffers();
+}
+
+void SoftwareRenderer::render(
+        const void *data, size_t size, void *platformPrivate) {
+    size_t offset = mIndex * mFrameSize;
+    void *dst = (uint8_t *)mMemoryHeap->getBase() + offset;
+
+    mConverter.convert(
+            mDecodedWidth, mDecodedHeight,
+            data, 0, dst, 2 * mDecodedWidth);
+
+    mISurface->postBuffer(offset);
+    mIndex = 1 - mIndex;
+}
+
+}  // namespace android