Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 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 | |
Wei-Ta Chen | b355012 | 2009-12-03 23:19:19 +0800 | [diff] [blame] | 28 | class SkJPEGImageDecoder : public SkImageDecoder { |
| 29 | public: |
| 30 | virtual Format getFormat() const { |
| 31 | return kJPEG_Format; |
| 32 | } |
| 33 | |
| 34 | protected: |
Mike Reed | 945a9df | 2010-03-03 13:24:37 -0500 | [diff] [blame] | 35 | virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode); |
Wei-Ta Chen | b355012 | 2009-12-03 23:19:19 +0800 | [diff] [blame] | 36 | }; |
| 37 | |
Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 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(); |
Mike Reed | 42a1d08 | 2014-07-07 18:06:18 -0400 | [diff] [blame] | 55 | SkColorType prefColorType = kN32_SkColorType; |
Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 56 | SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodeBounds_Mode; |
| 57 | |
| 58 | // Decode the input stream and then use the bitmap. |
Mike Reed | 42a1d08 | 2014-07-07 18:06:18 -0400 | [diff] [blame] | 59 | if (!decoder->decode(stream, bitmap, prefColorType, decodeMode)) { |
Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 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(); |
Mike Reed | 42a1d08 | 2014-07-07 18:06:18 -0400 | [diff] [blame] | 72 | SkColorType prefColorType = kN32_SkColorType; |
Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 73 | SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodePixels_Mode; |
| 74 | |
| 75 | // Decode the input stream and then use the bitmap. |
Mike Reed | 42a1d08 | 2014-07-07 18:06:18 -0400 | [diff] [blame] | 76 | if (!decoder->decode(stream, bitmap, prefColorType, decodeMode)) { |
Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 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); |
Andreas Huber | 987dbde | 2009-12-16 13:13:27 -0800 | [diff] [blame] | 81 | const char* filename = "/sdcard/omxJpegDecodedBitmap.rgba"; |
Wei-Ta Chen | 4b6f494 | 2009-09-01 17:44:49 +0800 | [diff] [blame] | 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 | } |