| /* |
| * 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" |
| |
| 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); |
| 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; |
| } |