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- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/codec/SkAndroidCodec.h"
- #include "include/codec/SkCodec.h"
- #include "include/codec/SkCodecAnimation.h"
- #include "include/core/SkBitmap.h"
- #include "include/core/SkData.h"
- #include "include/core/SkImage.h"
- #include "include/core/SkImageInfo.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTypes.h"
- #include "include/utils/SkAnimCodecPlayer.h"
- #include "src/core/SkMakeUnique.h"
- #include "tests/CodecPriv.h"
- #include "tests/Test.h"
- #include "tools/Resources.h"
- #include "tools/ToolUtils.h"
- #include <stdio.h>
- #include <cstring>
- #include <initializer_list>
- #include <memory>
- #include <utility>
- #include <vector>
- DEF_TEST(Codec_trunc, r) {
- sk_sp<SkData> data(GetResourceAsData("images/box.gif"));
- if (!data) {
- return;
- }
- // See also Codec_GifTruncated2 in GifTest.cpp for this magic 23.
- //
- // TODO: just move this getFrameInfo call to Codec_GifTruncated2?
- SkCodec::MakeFromData(SkData::MakeSubset(data.get(), 0, 23))->getFrameInfo();
- }
- // 565 does not support alpha, but there is no reason for it not to support an
- // animated image with a frame that has alpha but then blends onto an opaque
- // frame making the result opaque. Test that we can decode such a frame.
- DEF_TEST(Codec_565, r) {
- sk_sp<SkData> data(GetResourceAsData("images/blendBG.webp"));
- if (!data) {
- return;
- }
- std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(std::move(data)));
- auto info = codec->getInfo().makeColorType(kRGB_565_SkColorType);
- SkBitmap bm;
- bm.allocPixels(info);
- SkCodec::Options options;
- options.fFrameIndex = 1;
- options.fPriorFrame = SkCodec::kNoFrame;
- const auto result = codec->getPixels(info, bm.getPixels(), bm.rowBytes(),
- &options);
- REPORTER_ASSERT(r, result == SkCodec::kSuccess);
- }
- static bool restore_previous(const SkCodec::FrameInfo& info) {
- return info.fDisposalMethod == SkCodecAnimation::DisposalMethod::kRestorePrevious;
- }
- DEF_TEST(Codec_frames, r) {
- constexpr int kNoFrame = SkCodec::kNoFrame;
- constexpr SkAlphaType kOpaque = kOpaque_SkAlphaType;
- constexpr SkAlphaType kUnpremul = kUnpremul_SkAlphaType;
- constexpr SkCodecAnimation::DisposalMethod kKeep =
- SkCodecAnimation::DisposalMethod::kKeep;
- constexpr SkCodecAnimation::DisposalMethod kRestoreBG =
- SkCodecAnimation::DisposalMethod::kRestoreBGColor;
- constexpr SkCodecAnimation::DisposalMethod kRestorePrev =
- SkCodecAnimation::DisposalMethod::kRestorePrevious;
- static const struct {
- const char* fName;
- int fFrameCount;
- // One less than fFramecount, since the first frame is always
- // independent.
- std::vector<int> fRequiredFrames;
- // Same, since the first frame should match getInfo
- std::vector<SkAlphaType> fAlphas;
- // The size of this one should match fFrameCount for animated, empty
- // otherwise.
- std::vector<int> fDurations;
- int fRepetitionCount;
- std::vector<SkCodecAnimation::DisposalMethod> fDisposalMethods;
- } gRecs[] = {
- { "images/required.gif", 7,
- { 0, 1, 2, 3, 4, 5 },
- { kOpaque, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul },
- { 100, 100, 100, 100, 100, 100, 100 },
- 0,
- { kKeep, kRestoreBG, kKeep, kKeep, kKeep, kRestoreBG, kKeep } },
- { "images/alphabetAnim.gif", 13,
- { kNoFrame, 0, 0, 0, 0, 5, 6, kNoFrame, kNoFrame, 9, 10, 11 },
- { kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul,
- kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul },
- { 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100 },
- 0,
- { kKeep, kRestorePrev, kRestorePrev, kRestorePrev, kRestorePrev,
- kRestoreBG, kKeep, kRestoreBG, kRestoreBG, kKeep, kKeep,
- kRestoreBG, kKeep } },
- { "images/randPixelsAnim2.gif", 4,
- // required frames
- { 0, 0, 1 },
- // alphas
- { kOpaque, kOpaque, kOpaque },
- // durations
- { 0, 1000, 170, 40 },
- // repetition count
- 0,
- { kKeep, kKeep, kRestorePrev, kKeep } },
- { "images/randPixelsAnim.gif", 13,
- // required frames
- { 0, 1, 2, 3, 4, 3, 6, 7, 7, 7, 9, 9 },
- { kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul,
- kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul, kUnpremul },
- // durations
- { 0, 1000, 170, 40, 220, 7770, 90, 90, 90, 90, 90, 90, 90 },
- // repetition count
- 0,
- { kKeep, kKeep, kKeep, kKeep, kRestoreBG, kRestoreBG, kRestoreBG,
- kRestoreBG, kRestorePrev, kRestoreBG, kRestorePrev, kRestorePrev,
- kRestorePrev, } },
- { "images/box.gif", 1, {}, {}, {}, 0, { kKeep } },
- { "images/color_wheel.gif", 1, {}, {}, {}, 0, { kKeep } },
- { "images/test640x479.gif", 4, { 0, 1, 2 },
- { kOpaque, kOpaque, kOpaque },
- { 200, 200, 200, 200 },
- SkCodec::kRepetitionCountInfinite,
- { kKeep, kKeep, kKeep, kKeep } },
- { "images/colorTables.gif", 2, { 0 }, { kOpaque }, { 1000, 1000 }, 5,
- { kKeep, kKeep } },
- { "images/arrow.png", 1, {}, {}, {}, 0, {} },
- { "images/google_chrome.ico", 1, {}, {}, {}, 0, {} },
- { "images/brickwork-texture.jpg", 1, {}, {}, {}, 0, {} },
- #if defined(SK_CODEC_DECODES_RAW) && (!defined(_WIN32))
- { "images/dng_with_preview.dng", 1, {}, {}, {}, 0, {} },
- #endif
- { "images/mandrill.wbmp", 1, {}, {}, {}, 0, {} },
- { "images/randPixels.bmp", 1, {}, {}, {}, 0, {} },
- { "images/yellow_rose.webp", 1, {}, {}, {}, 0, {} },
- { "images/webp-animated.webp", 3, { 0, 1 }, { kOpaque, kOpaque },
- { 1000, 500, 1000 }, SkCodec::kRepetitionCountInfinite,
- { kKeep, kKeep, kKeep } },
- { "images/blendBG.webp", 7,
- { 0, kNoFrame, kNoFrame, kNoFrame, 4, 4 },
- { kOpaque, kOpaque, kUnpremul, kOpaque, kUnpremul, kUnpremul },
- { 525, 500, 525, 437, 609, 729, 444 }, 7,
- { kKeep, kKeep, kKeep, kKeep, kKeep, kKeep, kKeep } },
- { "images/required.webp", 7,
- { 0, 1, 1, kNoFrame, 4, 4 },
- { kOpaque, kUnpremul, kUnpremul, kOpaque, kOpaque, kOpaque },
- { 100, 100, 100, 100, 100, 100, 100 },
- 1,
- { kKeep, kRestoreBG, kKeep, kKeep, kKeep, kRestoreBG, kKeep } },
- };
- for (const auto& rec : gRecs) {
- sk_sp<SkData> data(GetResourceAsData(rec.fName));
- if (!data) {
- // Useful error statement, but sometimes people run tests without
- // resources, and they do not want to see these messages.
- //ERRORF(r, "Missing resources? Could not find '%s'", rec.fName);
- continue;
- }
- std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(data));
- if (!codec) {
- ERRORF(r, "Failed to create an SkCodec from '%s'", rec.fName);
- continue;
- }
- {
- SkCodec::FrameInfo frameInfo;
- REPORTER_ASSERT(r, !codec->getFrameInfo(0, &frameInfo));
- }
- const int repetitionCount = codec->getRepetitionCount();
- if (repetitionCount != rec.fRepetitionCount) {
- ERRORF(r, "%s repetition count does not match! expected: %i\tactual: %i",
- rec.fName, rec.fRepetitionCount, repetitionCount);
- }
- const int expected = rec.fFrameCount;
- if (rec.fRequiredFrames.size() + 1 != static_cast<size_t>(expected)) {
- ERRORF(r, "'%s' has wrong number entries in fRequiredFrames; expected: %i\tactual: %i",
- rec.fName, expected - 1, rec.fRequiredFrames.size());
- continue;
- }
- if (expected > 1) {
- if (rec.fDurations.size() != static_cast<size_t>(expected)) {
- ERRORF(r, "'%s' has wrong number entries in fDurations; expected: %i\tactual: %i",
- rec.fName, expected, rec.fDurations.size());
- continue;
- }
- if (rec.fAlphas.size() + 1 != static_cast<size_t>(expected)) {
- ERRORF(r, "'%s' has wrong number entries in fAlphas; expected: %i\tactual: %i",
- rec.fName, expected - 1, rec.fAlphas.size());
- continue;
- }
- if (rec.fDisposalMethods.size() != static_cast<size_t>(expected)) {
- ERRORF(r, "'%s' has wrong number entries in fDisposalMethods; "
- "expected %i\tactual: %i",
- rec.fName, expected, rec.fDisposalMethods.size());
- continue;
- }
- }
- enum class TestMode {
- kVector,
- kIndividual,
- };
- for (auto mode : { TestMode::kVector, TestMode::kIndividual }) {
- // Re-create the codec to reset state and test parsing.
- codec = SkCodec::MakeFromData(data);
- int frameCount;
- std::vector<SkCodec::FrameInfo> frameInfos;
- switch (mode) {
- case TestMode::kVector:
- frameInfos = codec->getFrameInfo();
- // getFrameInfo returns empty set for non-animated.
- frameCount = frameInfos.empty() ? 1 : frameInfos.size();
- break;
- case TestMode::kIndividual:
- frameCount = codec->getFrameCount();
- break;
- }
- if (frameCount != expected) {
- ERRORF(r, "'%s' expected frame count: %i\tactual: %i",
- rec.fName, expected, frameCount);
- continue;
- }
- // From here on, we are only concerned with animated images.
- if (1 == frameCount) {
- continue;
- }
- for (int i = 0; i < frameCount; i++) {
- SkCodec::FrameInfo frameInfo;
- switch (mode) {
- case TestMode::kVector:
- frameInfo = frameInfos[i];
- break;
- case TestMode::kIndividual:
- REPORTER_ASSERT(r, codec->getFrameInfo(i, nullptr));
- REPORTER_ASSERT(r, codec->getFrameInfo(i, &frameInfo));
- break;
- }
- if (rec.fDurations[i] != frameInfo.fDuration) {
- ERRORF(r, "%s frame %i's durations do not match! expected: %i\tactual: %i",
- rec.fName, i, rec.fDurations[i], frameInfo.fDuration);
- }
- auto to_string = [](SkAlphaType alpha) {
- switch (alpha) {
- case kUnpremul_SkAlphaType:
- return "unpremul";
- case kOpaque_SkAlphaType:
- return "opaque";
- default:
- SkASSERT(false);
- return "unknown";
- }
- };
- auto expectedAlpha = 0 == i ? codec->getInfo().alphaType() : rec.fAlphas[i-1];
- auto alpha = frameInfo.fAlphaType;
- if (expectedAlpha != alpha) {
- ERRORF(r, "%s's frame %i has wrong alpha type! expected: %s\tactual: %s",
- rec.fName, i, to_string(expectedAlpha), to_string(alpha));
- }
- if (0 == i) {
- REPORTER_ASSERT(r, frameInfo.fRequiredFrame == SkCodec::kNoFrame);
- } else if (rec.fRequiredFrames[i-1] != frameInfo.fRequiredFrame) {
- ERRORF(r, "%s's frame %i has wrong dependency! expected: %i\tactual: %i",
- rec.fName, i, rec.fRequiredFrames[i-1], frameInfo.fRequiredFrame);
- }
- REPORTER_ASSERT(r, frameInfo.fDisposalMethod == rec.fDisposalMethods[i]);
- }
- if (TestMode::kIndividual == mode) {
- // No need to test decoding twice.
- continue;
- }
- // Compare decoding in multiple ways:
- // - Start from scratch for each frame. |codec| will have to decode the required frame
- // (and any it depends on) to decode. This is stored in |cachedFrames|.
- // - Provide the frame that a frame depends on, so |codec| just has to blend.
- // - Provide a frame after the required frame, which will be covered up by the newest
- // frame.
- // All should look the same.
- std::vector<SkBitmap> cachedFrames(frameCount);
- const auto info = codec->getInfo().makeColorType(kN32_SkColorType);
- auto decode = [&](SkBitmap* bm, int index, int cachedIndex) {
- auto decodeInfo = info;
- if (index > 0) {
- decodeInfo = info.makeAlphaType(frameInfos[index].fAlphaType);
- }
- bm->allocPixels(decodeInfo);
- if (cachedIndex != SkCodec::kNoFrame) {
- // First copy the pixels from the cached frame
- const bool success =
- ToolUtils::copy_to(bm, kN32_SkColorType, cachedFrames[cachedIndex]);
- REPORTER_ASSERT(r, success);
- }
- SkCodec::Options opts;
- opts.fFrameIndex = index;
- opts.fPriorFrame = cachedIndex;
- const auto result = codec->getPixels(decodeInfo, bm->getPixels(), bm->rowBytes(),
- &opts);
- if (cachedIndex != SkCodec::kNoFrame &&
- restore_previous(frameInfos[cachedIndex])) {
- if (result == SkCodec::kInvalidParameters) {
- return true;
- }
- ERRORF(r, "Using a kRestorePrevious frame as fPriorFrame should fail");
- return false;
- }
- if (result != SkCodec::kSuccess) {
- ERRORF(r, "Failed to decode frame %i from %s when providing prior frame %i, "
- "error %i", index, rec.fName, cachedIndex, result);
- }
- return result == SkCodec::kSuccess;
- };
- for (int i = 0; i < frameCount; i++) {
- SkBitmap& cachedFrame = cachedFrames[i];
- if (!decode(&cachedFrame, i, SkCodec::kNoFrame)) {
- continue;
- }
- const auto reqFrame = frameInfos[i].fRequiredFrame;
- if (reqFrame == SkCodec::kNoFrame) {
- // Nothing to compare against.
- continue;
- }
- for (int j = reqFrame; j < i; j++) {
- SkBitmap frame;
- if (restore_previous(frameInfos[j])) {
- (void) decode(&frame, i, j);
- continue;
- }
- if (!decode(&frame, i, j)) {
- continue;
- }
- // Now verify they're equal.
- const size_t rowLen = info.bytesPerPixel() * info.width();
- for (int y = 0; y < info.height(); y++) {
- const void* cachedAddr = cachedFrame.getAddr(0, y);
- SkASSERT(cachedAddr != nullptr);
- const void* addr = frame.getAddr(0, y);
- SkASSERT(addr != nullptr);
- const bool lineMatches = memcmp(cachedAddr, addr, rowLen) == 0;
- if (!lineMatches) {
- SkString name = SkStringPrintf("cached_%i", i);
- write_bm(name.c_str(), cachedFrame);
- name = SkStringPrintf("frame_%i", i);
- write_bm(name.c_str(), frame);
- ERRORF(r, "%s's frame %i is different (starting from line %i) when "
- "providing prior frame %i!", rec.fName, i, y, j);
- break;
- }
- }
- }
- }
- }
- }
- }
- // Verify that a webp image can be animated scaled down. This image has a
- // kRestoreBG frame, so it is an interesting image to test. After decoding that
- // frame, we have to erase its rectangle. The rectangle has to be adjusted
- // based on the scaled size.
- DEF_TEST(AndroidCodec_animated, r) {
- if (GetResourcePath().isEmpty()) {
- return;
- }
- const char* file = "images/required.webp";
- sk_sp<SkData> data(GetResourceAsData(file));
- if (!data) {
- ERRORF(r, "Missing %s", file);
- return;
- }
- auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data)));
- if (!codec) {
- ERRORF(r, "Failed to decode %s", file);
- return;
- }
- auto info = codec->getInfo().makeAlphaType(kPremul_SkAlphaType);
- for (int sampleSize : { 8, 32, 100 }) {
- auto dimensions = codec->codec()->getScaledDimensions(1.0f / sampleSize);
- info = info.makeWH(dimensions.width(), dimensions.height());
- SkBitmap bm;
- bm.allocPixels(info);
- SkCodec::Options options;
- for (int i = 0; i < codec->codec()->getFrameCount(); ++i) {
- SkCodec::FrameInfo frameInfo;
- REPORTER_ASSERT(r, codec->codec()->getFrameInfo(i, &frameInfo));
- if (5 == i) {
- REPORTER_ASSERT(r, frameInfo.fDisposalMethod
- == SkCodecAnimation::DisposalMethod::kRestoreBGColor);
- }
- options.fFrameIndex = i;
- options.fPriorFrame = i - 1;
- info = info.makeAlphaType(frameInfo.fAlphaType);
- auto result = codec->codec()->getPixels(info, bm.getPixels(), bm.rowBytes(),
- &options);
- REPORTER_ASSERT(r, result == SkCodec::kSuccess);
- // Now compare to not using prior frame.
- SkBitmap bm2;
- bm2.allocPixels(info);
- options.fPriorFrame = SkCodec::kNoFrame;
- result = codec->codec()->getPixels(info, bm2.getPixels(), bm2.rowBytes(),
- &options);
- REPORTER_ASSERT(r, result == SkCodec::kSuccess);
- for (int y = 0; y < info.height(); ++y) {
- if (memcmp(bm.getAddr32(0, y), bm2.getAddr32(0, y), info.minRowBytes())) {
- ERRORF(r, "pixel mismatch for sample size %i, frame %i resulting in "
- "dimensions %i x %i line %i\n",
- sampleSize, i, info.width(), info.height(), y);
- break;
- }
- }
- }
- }
- }
- DEF_TEST(AnimCodecPlayer, r) {
- static constexpr struct {
- const char* fFile;
- uint32_t fDuration;
- SkISize fSize;
- } gTests[] = {
- { "images/alphabetAnim.gif", 1300, {100, 100} },
- { "images/randPixels.gif" , 0, { 8, 8} },
- { "images/randPixels.jpg" , 0, { 8, 8} },
- { "images/randPixels.png" , 0, { 8, 8} },
- };
- for (const auto& test : gTests) {
- auto codec = SkCodec::MakeFromData(GetResourceAsData(test.fFile));
- REPORTER_ASSERT(r, codec);
- auto player = skstd::make_unique<SkAnimCodecPlayer>(std::move(codec));
- if (player->duration() != test.fDuration) {
- printf("*** %d vs %d\n", player->duration(), test.fDuration);
- }
- REPORTER_ASSERT(r, player->duration() == test.fDuration);
- auto f0 = player->getFrame();
- REPORTER_ASSERT(r, f0);
- REPORTER_ASSERT(r, f0->bounds().size() == test.fSize);
- player->seek(500);
- auto f1 = player->getFrame();
- REPORTER_ASSERT(r, f1);
- REPORTER_ASSERT(r, f1->bounds().size() == test.fSize);
- }
- }
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