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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 "OmxJpegDecoder"
#include <sys/time.h>
#include <utils/Log.h>
#include <binder/ProcessState.h>
#include "SkBitmap.h"
#include "SkImageDecoder.h"
#include "SkStream.h"
#include "omx_jpeg_decoder.h"
class SkJPEGImageDecoder : public SkImageDecoder {
public:
virtual Format getFormat() const {
return kJPEG_Format;
}
protected:
virtual bool onDecode(SkStream* stream, SkBitmap* bm,
SkBitmap::Config pref, Mode);
};
int nullObjectReturn(const char msg[]) {
if (msg) {
SkDebugf("--- %s\n", msg);
}
return -1;
}
static int64_t getNowUs() {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_usec + (int64_t) tv.tv_sec * 1000000;
}
int testDecodeBounds(SkImageDecoder* decoder, SkStream* stream,
SkBitmap* bitmap) {
int64_t startTime = getNowUs();
SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config;
SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodeBounds_Mode;
// Decode the input stream and then use the bitmap.
if (!decoder->decode(stream, bitmap, prefConfig, decodeMode)) {
return nullObjectReturn("decoder->decode returned false");
} else {
int64_t delay = getNowUs() - startTime;
printf("WidthxHeight: %dx%d\n", bitmap->width(), bitmap->height());
printf("Decoding Time in BoundsMode %.1f msec.\n", delay / 1000.0f);
return 0;
}
}
int testDecodePixels(SkImageDecoder* decoder, SkStream* stream,
SkBitmap* bitmap) {
int64_t startTime = getNowUs();
SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config;
SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodePixels_Mode;
// Decode the input stream and then use the bitmap.
if (!decoder->decode(stream, bitmap, prefConfig, decodeMode)) {
return nullObjectReturn("decoder->decode returned false");
} else {
int64_t delay = getNowUs() - startTime;
printf("Decoding Time in PixelsMode %.1f msec.\n", delay / 1000.0f);
const char* filename = "/sdcard/omxJpegDecodedBitmap.rgba";
return storeBitmapToFile(bitmap, filename);
}
}
int testDecoder(SkImageDecoder* decoder, char* filename) {
// test DecodeMode == Pixels
SkStream* stream = new SkFILEStream(filename);
SkBitmap* bitmap = new SkBitmap;
testDecodePixels(decoder, stream, bitmap);
delete bitmap;
// test DecodeMode == Bounds
stream = new SkFILEStream(filename);
bitmap = new SkBitmap;
testDecodeBounds(decoder, stream, bitmap);
delete bitmap;
delete decoder;
return 0;
}
int main(int argc, char** argv) {
android::ProcessState::self()->startThreadPool();
printf("Decoding jpeg with libjpeg...\n");
SkJPEGImageDecoder* libjpeg = new SkJPEGImageDecoder;
testDecoder(libjpeg, argv[1]);
printf("\nDecoding jpeg with OMX...\n");
OmxJpegImageDecoder* omx = new OmxJpegImageDecoder;
testDecoder(omx, argv[1]);
return 0;
}
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