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/*
// Copyright (c) 2014 Intel Corporation
//
// 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.
*/
#include <gtest/gtest.h>
#include <binder/IMemory.h>
#include <gui/ISurfaceComposer.h>
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
#include <private/gui/ComposerService.h>
#include <utils/String8.h>
using namespace android;
const char * filename = "/data/my_640x480.nv12";
#define PIXEL_FORMAT_NV12 0x7FA00E00
// Fill a YV12 buffer with a multi-colored checkerboard pattern
void fillYUVBuffer(uint8_t* buf, int w, int h, int stride) {
const int blockWidth = w > 16 ? w / 16 : 1;
const int blockHeight = h > 16 ? h / 16 : 1;
const int yuvTexOffsetY = 0;
int yuvTexStrideY = stride;
int yuvTexOffsetV = yuvTexStrideY * h;
int yuvTexStrideV = (yuvTexStrideY / 2 + 0xf) & ~0xf;
int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * h / 2;
int yuvTexStrideU = yuvTexStrideV;
for (int x = 0; x < w; x++) {
for (int y = 0; y < h; y++) {
int parityX = (x / blockWidth) & 1;
int parityY = (y / blockHeight) & 1;
unsigned char intensity = (parityX ^ parityY) ? 63 : 191;
buf[yuvTexOffsetY + (y * yuvTexStrideY) + x] = intensity;
if (x < w / 2 && y < h / 2) {
buf[yuvTexOffsetU + (y * yuvTexStrideU) + x] = intensity;
if (x * 2 < w / 2 && y * 2 < h / 2) {
buf[yuvTexOffsetV + (y * 2 * yuvTexStrideV) + x * 2 + 0] =
buf[yuvTexOffsetV + (y * 2 * yuvTexStrideV) + x * 2
+ 1] =
buf[yuvTexOffsetV
+ ((y * 2 + 1) * yuvTexStrideV)
+ x * 2 + 0] = buf[yuvTexOffsetV
+ ((y * 2 + 1) * yuvTexStrideV)
+ x * 2 + 1] = intensity;
}
}
}
}
}
void loadYUVBufferFromFile(uint8_t* buf, int w, int h, int stride) {
FILE *fp = fopen(filename, "r");
int line = 0;
int offset = 0;
int buffer_height = h * 1.5;
if (!fp) {
printf("%s: failed to open %s\n", __func__, filename);
return;
}
printf("buf=%p, w=%d,h=%d,stride=%d\n", buf, w, h, stride);
for (line = 0; line < buffer_height; line++) {
printf("reading line %d...\n", line);
offset = line * stride;
fread(buf + offset, w, 1, fp);
}
fclose(fp);
}
int main(int argc, char **argv) {
sp < SurfaceControl > sc;
sp < Surface > s;
sp < ANativeWindow > anw;
ANativeWindowBuffer *anb;
uint8_t* img = NULL;
sp < SurfaceComposerClient > composerClient = new SurfaceComposerClient;
if (composerClient->initCheck() != NO_ERROR)
return 0;
sc = composerClient->createSurface(String8("FG Test Surface"), 640, 480,
PIXEL_FORMAT_RGBA_8888, 0);
if (sc == NULL)
return 0;;
if (!sc->isValid())
return 0;
s = sc->getSurface();
anw = s.get();
if (native_window_set_buffers_geometry(anw.get(), 640, 480,
PIXEL_FORMAT_NV12) != NO_ERROR)
return 0;
if (native_window_set_usage(anw.get(),
GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN)
!= NO_ERROR)
return 0;
/*
* load buffer
*/
if (native_window_dequeue_buffer_and_wait(anw.get(), &anb))
return 0;
if (anb == NULL)
return 0;
sp < GraphicBuffer > buf(new GraphicBuffer(anb, false));
//if (anw->lockBuffer(anw.get(), buf->getNativeBuffer()) != NO_ERROR)
// return 0;
buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**) (&img));
if (!img) {
printf("failed to lock buffer\n");
exit(-1);
}
loadYUVBufferFromFile(img, 640, 480, buf->getStride());
buf->unlock();
printf("querying buffer...\n");
if (anw->queueBuffer(anw.get(), buf->getNativeBuffer(), -1) != NO_ERROR)
return 0;
// loop it to continuously display??
while (1) {
SurfaceComposerClient::openGlobalTransaction();
if (sc->setLayer(INT_MAX - 1) != NO_ERROR)
return 0;
if (sc->show() != NO_ERROR)
return 0;
SurfaceComposerClient::closeGlobalTransaction();
}
return 0;
}
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