1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "OmxJpegDecoder" 18 #include <sys/time.h> 19 #include <utils/Log.h> 20 21 #include <binder/ProcessState.h> 22 23 #include "SkBitmap.h" 24 #include "SkImageDecoder.h" 25 #include "SkStream.h" 26 #include "omx_jpeg_decoder.h" 27 28 class SkJPEGImageDecoder : public SkImageDecoder { 29 public: 30 virtual Format getFormat() const { 31 return kJPEG_Format; 32 } 33 34 protected: 35 virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode); 36 }; 37 38 int nullObjectReturn(const char msg[]) { 39 if (msg) { 40 SkDebugf("--- %s\n", msg); 41 } 42 return -1; 43 } 44 45 static int64_t getNowUs() { 46 struct timeval tv; 47 gettimeofday(&tv, NULL); 48 49 return tv.tv_usec + (int64_t) tv.tv_sec * 1000000; 50 } 51 52 int testDecodeBounds(SkImageDecoder* decoder, SkStream* stream, 53 SkBitmap* bitmap) { 54 int64_t startTime = getNowUs(); 55 SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config; 56 SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodeBounds_Mode; 57 58 // Decode the input stream and then use the bitmap. 59 if (!decoder->decode(stream, bitmap, prefConfig, decodeMode)) { 60 return nullObjectReturn("decoder->decode returned false"); 61 } else { 62 int64_t delay = getNowUs() - startTime; 63 printf("WidthxHeight: %dx%d\n", bitmap->width(), bitmap->height()); 64 printf("Decoding Time in BoundsMode %.1f msec.\n", delay / 1000.0f); 65 return 0; 66 } 67 } 68 69 int testDecodePixels(SkImageDecoder* decoder, SkStream* stream, 70 SkBitmap* bitmap) { 71 int64_t startTime = getNowUs(); 72 SkBitmap::Config prefConfig = SkBitmap::kARGB_8888_Config; 73 SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodePixels_Mode; 74 75 // Decode the input stream and then use the bitmap. 76 if (!decoder->decode(stream, bitmap, prefConfig, decodeMode)) { 77 return nullObjectReturn("decoder->decode returned false"); 78 } else { 79 int64_t delay = getNowUs() - startTime; 80 printf("Decoding Time in PixelsMode %.1f msec.\n", delay / 1000.0f); 81 const char* filename = "/sdcard/omxJpegDecodedBitmap.rgba"; 82 return storeBitmapToFile(bitmap, filename); 83 } 84 } 85 86 int testDecoder(SkImageDecoder* decoder, char* filename) { 87 // test DecodeMode == Pixels 88 SkStream* stream = new SkFILEStream(filename); 89 SkBitmap* bitmap = new SkBitmap; 90 testDecodePixels(decoder, stream, bitmap); 91 delete bitmap; 92 93 // test DecodeMode == Bounds 94 stream = new SkFILEStream(filename); 95 bitmap = new SkBitmap; 96 testDecodeBounds(decoder, stream, bitmap); 97 delete bitmap; 98 99 delete decoder; 100 return 0; 101 } 102 103 int main(int argc, char** argv) { 104 android::ProcessState::self()->startThreadPool(); 105 106 printf("Decoding jpeg with libjpeg...\n"); 107 SkJPEGImageDecoder* libjpeg = new SkJPEGImageDecoder; 108 testDecoder(libjpeg, argv[1]); 109 110 printf("\nDecoding jpeg with OMX...\n"); 111 OmxJpegImageDecoder* omx = new OmxJpegImageDecoder; 112 testDecoder(omx, argv[1]); 113 return 0; 114 } 115
