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/*
* 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 <binder/MemoryHeapPmem.h>
#include <media/stagefright/MediaDebug.h>
#include <surfaceflinger/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
mIndex(0) {
mMemoryHeap = new MemoryHeapBase("/dev/pmem_adsp", 2 * mFrameSize);
if (mMemoryHeap->heapID() < 0) {
LOGI("Creating physical memory heap failed, reverting to regular heap.");
mMemoryHeap = new MemoryHeapBase(2 * mFrameSize);
} else {
mMemoryHeap = new MemoryHeapPmem(mMemoryHeap);
}
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
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