scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
scroggo | 38a2cf5 | 2016-10-24 09:56:40 -0700 | [diff] [blame] | 8 | #include "SkBitmap.h" |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 9 | #include "SkCodec.h" |
Leon Scroggins III | b0b625b | 2016-12-22 16:40:24 -0500 | [diff] [blame] | 10 | #include "SkCommonFlags.h" |
| 11 | #include "SkImageEncoder.h" |
| 12 | #include "SkOSPath.h" |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 13 | #include "SkStream.h" |
| 14 | |
| 15 | #include "Resources.h" |
| 16 | #include "Test.h" |
| 17 | |
| 18 | #include <initializer_list> |
| 19 | #include <vector> |
| 20 | |
Leon Scroggins III | b0b625b | 2016-12-22 16:40:24 -0500 | [diff] [blame] | 21 | static void write_bm(const char* name, const SkBitmap& bm) { |
| 22 | if (FLAGS_writePath.isEmpty()) { |
| 23 | return; |
| 24 | } |
| 25 | |
| 26 | SkString filename = SkOSPath::Join(FLAGS_writePath[0], name); |
| 27 | filename.appendf(".png"); |
| 28 | SkFILEWStream file(filename.c_str()); |
| 29 | if (!SkEncodeImage(&file, bm, SkEncodedImageFormat::kPNG, 100)) { |
| 30 | SkDebugf("failed to write '%s'\n", filename.c_str()); |
| 31 | } |
| 32 | } |
| 33 | |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 34 | DEF_TEST(Codec_frames, r) { |
| 35 | static const struct { |
| 36 | const char* fName; |
| 37 | size_t fFrameCount; |
| 38 | // One less than fFramecount, since the first frame is always |
| 39 | // independent. |
| 40 | std::vector<size_t> fRequiredFrames; |
| 41 | // The size of this one should match fFrameCount for animated, empty |
| 42 | // otherwise. |
| 43 | std::vector<size_t> fDurations; |
scroggo | e71b1a1 | 2016-11-01 08:28:28 -0700 | [diff] [blame] | 44 | int fRepetitionCount; |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 45 | } gRecs[] = { |
Leon Scroggins III | b0b625b | 2016-12-22 16:40:24 -0500 | [diff] [blame] | 46 | { "randPixelsAnim.gif", 13, |
| 47 | // required frames |
| 48 | { SkCodec::kNone, 1, 2, 3, 4, 4, 6, 7, 7, 7, 7, 7 }, |
| 49 | // durations |
| 50 | { 0, 1000, 170, 40, 220, 7770, 90, 90, 90, 90, 90, 90, 90 }, |
| 51 | // repetition count |
| 52 | 0 }, |
scroggo | e71b1a1 | 2016-11-01 08:28:28 -0700 | [diff] [blame] | 53 | { "box.gif", 1, {}, {}, 0 }, |
| 54 | { "color_wheel.gif", 1, {}, {}, 0 }, |
| 55 | { "test640x479.gif", 4, { 0, 1, 2 }, { 200, 200, 200, 200 }, |
| 56 | SkCodec::kRepetitionCountInfinite }, |
| 57 | { "colorTables.gif", 2, { 0 }, { 1000, 1000 }, 5 }, |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 58 | |
scroggo | e71b1a1 | 2016-11-01 08:28:28 -0700 | [diff] [blame] | 59 | { "arrow.png", 1, {}, {}, 0 }, |
| 60 | { "google_chrome.ico", 1, {}, {}, 0 }, |
| 61 | { "brickwork-texture.jpg", 1, {}, {}, 0 }, |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 62 | #if defined(SK_CODEC_DECODES_RAW) && (!defined(_WIN32)) |
scroggo | e71b1a1 | 2016-11-01 08:28:28 -0700 | [diff] [blame] | 63 | { "dng_with_preview.dng", 1, {}, {}, 0 }, |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 64 | #endif |
scroggo | e71b1a1 | 2016-11-01 08:28:28 -0700 | [diff] [blame] | 65 | { "mandrill.wbmp", 1, {}, {}, 0 }, |
| 66 | { "randPixels.bmp", 1, {}, {}, 0 }, |
| 67 | { "yellow_rose.webp", 1, {}, {}, 0 }, |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | for (auto rec : gRecs) { |
| 71 | std::unique_ptr<SkStream> stream(GetResourceAsStream(rec.fName)); |
| 72 | if (!stream) { |
| 73 | // Useful error statement, but sometimes people run tests without |
| 74 | // resources, and they do not want to see these messages. |
| 75 | //ERRORF(r, "Missing resources? Could not find '%s'", rec.fName); |
| 76 | continue; |
| 77 | } |
| 78 | |
| 79 | std::unique_ptr<SkCodec> codec(SkCodec::NewFromStream(stream.release())); |
| 80 | if (!codec) { |
| 81 | ERRORF(r, "Failed to create an SkCodec from '%s'", rec.fName); |
| 82 | continue; |
| 83 | } |
| 84 | |
scroggo | e71b1a1 | 2016-11-01 08:28:28 -0700 | [diff] [blame] | 85 | const int repetitionCount = codec->getRepetitionCount(); |
| 86 | if (repetitionCount != rec.fRepetitionCount) { |
| 87 | ERRORF(r, "%s repetition count does not match! expected: %i\tactual: %i", |
| 88 | rec.fName, rec.fRepetitionCount, repetitionCount); |
| 89 | } |
| 90 | |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 91 | const size_t expected = rec.fFrameCount; |
| 92 | const auto frameInfos = codec->getFrameInfo(); |
| 93 | // getFrameInfo returns empty set for non-animated. |
| 94 | const size_t frameCount = frameInfos.size() == 0 ? 1 : frameInfos.size(); |
| 95 | if (frameCount != expected) { |
| 96 | ERRORF(r, "'%s' expected frame count: %i\tactual: %i", rec.fName, expected, frameCount); |
| 97 | continue; |
| 98 | } |
| 99 | |
| 100 | if (rec.fRequiredFrames.size() + 1 != expected) { |
| 101 | ERRORF(r, "'%s' has wrong number entries in fRequiredFrames; expected: %i\tactual: %i", |
Leon Scroggins III | fc49b40 | 2016-10-31 14:08:56 -0400 | [diff] [blame] | 102 | rec.fName, expected, rec.fRequiredFrames.size() + 1); |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 103 | continue; |
| 104 | } |
| 105 | |
| 106 | if (1 == frameCount) { |
| 107 | continue; |
| 108 | } |
| 109 | |
| 110 | // From here on, we are only concerned with animated images. |
| 111 | REPORTER_ASSERT(r, frameInfos[0].fRequiredFrame == SkCodec::kNone); |
| 112 | for (size_t i = 1; i < frameCount; i++) { |
Leon Scroggins III | b0b625b | 2016-12-22 16:40:24 -0500 | [diff] [blame] | 113 | if (rec.fRequiredFrames[i-1] != frameInfos[i].fRequiredFrame) { |
| 114 | ERRORF(r, "%s's frame %i has wrong dependency! expected: %i\tactual: %i", |
| 115 | rec.fName, i, rec.fRequiredFrames[i-1], frameInfos[i].fRequiredFrame); |
| 116 | } |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | // Compare decoding in two ways: |
| 120 | // 1. Provide the frame that a frame depends on, so the codec just has to blend. |
| 121 | // (in the array cachedFrames) |
| 122 | // 2. Do not provide the frame that a frame depends on, so the codec has to decode all the |
| 123 | // way back to a key-frame. (in a local variable uncachedFrame) |
| 124 | // The two should look the same. |
| 125 | std::vector<SkBitmap> cachedFrames(frameCount); |
| 126 | const auto& info = codec->getInfo().makeColorType(kN32_SkColorType); |
| 127 | |
| 128 | auto decode = [&](SkBitmap* bm, bool cached, size_t index) { |
| 129 | bm->allocPixels(info); |
| 130 | if (cached) { |
| 131 | // First copy the pixels from the cached frame |
| 132 | const size_t requiredFrame = frameInfos[index].fRequiredFrame; |
| 133 | if (requiredFrame != SkCodec::kNone) { |
| 134 | const bool success = cachedFrames[requiredFrame].copyTo(bm); |
| 135 | REPORTER_ASSERT(r, success); |
| 136 | } |
| 137 | } |
| 138 | SkCodec::Options opts; |
| 139 | opts.fFrameIndex = index; |
| 140 | opts.fHasPriorFrame = cached; |
| 141 | const SkCodec::Result result = codec->getPixels(info, bm->getPixels(), bm->rowBytes(), |
| 142 | &opts, nullptr, nullptr); |
| 143 | REPORTER_ASSERT(r, result == SkCodec::kSuccess); |
| 144 | }; |
| 145 | |
| 146 | for (size_t i = 0; i < frameCount; i++) { |
| 147 | SkBitmap& cachedFrame = cachedFrames[i]; |
| 148 | decode(&cachedFrame, true, i); |
| 149 | SkBitmap uncachedFrame; |
| 150 | decode(&uncachedFrame, false, i); |
| 151 | |
| 152 | // Now verify they're equal. |
| 153 | const size_t rowLen = info.bytesPerPixel() * info.width(); |
| 154 | for (int y = 0; y < info.height(); y++) { |
| 155 | const void* cachedAddr = cachedFrame.getAddr(0, y); |
| 156 | SkASSERT(cachedAddr != nullptr); |
| 157 | const void* uncachedAddr = uncachedFrame.getAddr(0, y); |
| 158 | SkASSERT(uncachedAddr != nullptr); |
| 159 | const bool lineMatches = memcmp(cachedAddr, uncachedAddr, rowLen) == 0; |
| 160 | if (!lineMatches) { |
Leon Scroggins III | b0b625b | 2016-12-22 16:40:24 -0500 | [diff] [blame] | 161 | SkString name = SkStringPrintf("cached_%i", i); |
| 162 | write_bm(name.c_str(), cachedFrame); |
| 163 | name = SkStringPrintf("uncached_%i", i); |
| 164 | write_bm(name.c_str(), uncachedFrame); |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 165 | ERRORF(r, "%s's frame %i is different depending on caching!", rec.fName, i); |
| 166 | break; |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | if (rec.fDurations.size() != expected) { |
| 172 | ERRORF(r, "'%s' has wrong number entries in fDurations; expected: %i\tactual: %i", |
| 173 | rec.fName, expected, rec.fDurations.size()); |
| 174 | continue; |
| 175 | } |
| 176 | |
| 177 | for (size_t i = 0; i < frameCount; i++) { |
Leon Scroggins III | b0b625b | 2016-12-22 16:40:24 -0500 | [diff] [blame] | 178 | if (rec.fDurations[i] != frameInfos[i].fDuration) { |
| 179 | ERRORF(r, "%s frame %i's durations do not match! expected: %i\tactual: %i", |
| 180 | rec.fName, i, rec.fDurations[i], frameInfos[i].fDuration); |
| 181 | } |
scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame] | 182 | } |
| 183 | } |
| 184 | } |