diff options
Diffstat (limited to 'image/decoders/nsAVIFDecoder.cpp')
| -rw-r--r-- | image/decoders/nsAVIFDecoder.cpp | 1991 |
1 files changed, 1991 insertions, 0 deletions
diff --git a/image/decoders/nsAVIFDecoder.cpp b/image/decoders/nsAVIFDecoder.cpp new file mode 100644 index 0000000000..06b5a60086 --- /dev/null +++ b/image/decoders/nsAVIFDecoder.cpp @@ -0,0 +1,1991 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ImageLogging.h" // Must appear first + +#include "nsAVIFDecoder.h" + +#include "aom/aomdx.h" + +#include "DAV1DDecoder.h" +#include "gfxPlatform.h" +#include "YCbCrUtils.h" +#include "libyuv.h" + +#include "SurfacePipeFactory.h" + +#include "mozilla/Telemetry.h" +#include "mozilla/TelemetryComms.h" +#include "mozilla/UniquePtrExtensions.h" + +using namespace mozilla::gfx; + +namespace mozilla { + +namespace image { + +using Telemetry::LABELS_AVIF_A1LX; +using Telemetry::LABELS_AVIF_A1OP; +using Telemetry::LABELS_AVIF_ALPHA; +using Telemetry::LABELS_AVIF_AOM_DECODE_ERROR; +using Telemetry::LABELS_AVIF_BIT_DEPTH; +using Telemetry::LABELS_AVIF_CICP_CP; +using Telemetry::LABELS_AVIF_CICP_MC; +using Telemetry::LABELS_AVIF_CICP_TC; +using Telemetry::LABELS_AVIF_CLAP; +using Telemetry::LABELS_AVIF_COLR; +using Telemetry::LABELS_AVIF_DECODE_RESULT; +using Telemetry::LABELS_AVIF_DECODER; +using Telemetry::LABELS_AVIF_GRID; +using Telemetry::LABELS_AVIF_IPRO; +using Telemetry::LABELS_AVIF_ISPE; +using Telemetry::LABELS_AVIF_LSEL; +using Telemetry::LABELS_AVIF_MAJOR_BRAND; +using Telemetry::LABELS_AVIF_PASP; +using Telemetry::LABELS_AVIF_PIXI; +using Telemetry::LABELS_AVIF_SEQUENCE; +using Telemetry::LABELS_AVIF_YUV_COLOR_SPACE; + +static LazyLogModule sAVIFLog("AVIFDecoder"); + +static const LABELS_AVIF_BIT_DEPTH gColorDepthLabel[] = { + LABELS_AVIF_BIT_DEPTH::color_8, LABELS_AVIF_BIT_DEPTH::color_10, + LABELS_AVIF_BIT_DEPTH::color_12, LABELS_AVIF_BIT_DEPTH::color_16}; + +static const LABELS_AVIF_YUV_COLOR_SPACE gColorSpaceLabel[] = { + LABELS_AVIF_YUV_COLOR_SPACE::BT601, LABELS_AVIF_YUV_COLOR_SPACE::BT709, + LABELS_AVIF_YUV_COLOR_SPACE::BT2020, LABELS_AVIF_YUV_COLOR_SPACE::identity}; + +static MaybeIntSize GetImageSize(const Mp4parseAvifInfo& aInfo) { + // Note this does not take cropping via CleanAperture (clap) into account + const struct Mp4parseImageSpatialExtents* ispe = aInfo.spatial_extents; + + if (ispe) { + // Decoder::PostSize takes int32_t, but ispe contains uint32_t + CheckedInt<int32_t> width = ispe->image_width; + CheckedInt<int32_t> height = ispe->image_height; + + if (width.isValid() && height.isValid()) { + return Some(IntSize{width.value(), height.value()}); + } + } + + return Nothing(); +} + +// Translate the MIAF/HEIF-based orientation transforms (imir, irot) into +// ImageLib's representation. Note that the interpretation of imir was reversed +// Between HEIF (ISO 23008-12:2017) and ISO/IEC 23008-12:2017/DAmd 2. This is +// handled by mp4parse. See mp4parse::read_imir for details. +Orientation GetImageOrientation(const Mp4parseAvifInfo& aInfo) { + // Per MIAF (ISO/IEC 23000-22:2019) § 7.3.6.7 + // These properties, if used, shall be indicated to be applied in the + // following order: clean aperture first, then rotation, then mirror. + // The Orientation type does the same order, but opposite rotation direction + + const Mp4parseIrot heifRot = aInfo.image_rotation; + const Mp4parseImir* heifMir = aInfo.image_mirror; + Angle mozRot; + Flip mozFlip; + + if (!heifMir) { // No mirroring + mozFlip = Flip::Unflipped; + + switch (heifRot) { + case MP4PARSE_IROT_D0: + // ⥠ UPWARDS HARPOON WITH BARB LEFT FROM BAR + mozRot = Angle::D0; + break; + case MP4PARSE_IROT_D90: + // ⥞ LEFTWARDS HARPOON WITH BARB DOWN FROM BAR + mozRot = Angle::D270; + break; + case MP4PARSE_IROT_D180: + // ⥝ DOWNWARDS HARPOON WITH BARB RIGHT FROM BAR + mozRot = Angle::D180; + break; + case MP4PARSE_IROT_D270: + // ⥛ RIGHTWARDS HARPOON WITH BARB UP FROM BAR + mozRot = Angle::D90; + break; + default: + MOZ_ASSERT_UNREACHABLE(); + } + } else { + MOZ_ASSERT(heifMir); + mozFlip = Flip::Horizontal; + + enum class HeifFlippedOrientation : uint8_t { + IROT_D0_IMIR_V = (MP4PARSE_IROT_D0 << 1) | MP4PARSE_IMIR_LEFT_RIGHT, + IROT_D0_IMIR_H = (MP4PARSE_IROT_D0 << 1) | MP4PARSE_IMIR_TOP_BOTTOM, + IROT_D90_IMIR_V = (MP4PARSE_IROT_D90 << 1) | MP4PARSE_IMIR_LEFT_RIGHT, + IROT_D90_IMIR_H = (MP4PARSE_IROT_D90 << 1) | MP4PARSE_IMIR_TOP_BOTTOM, + IROT_D180_IMIR_V = (MP4PARSE_IROT_D180 << 1) | MP4PARSE_IMIR_LEFT_RIGHT, + IROT_D180_IMIR_H = (MP4PARSE_IROT_D180 << 1) | MP4PARSE_IMIR_TOP_BOTTOM, + IROT_D270_IMIR_V = (MP4PARSE_IROT_D270 << 1) | MP4PARSE_IMIR_LEFT_RIGHT, + IROT_D270_IMIR_H = (MP4PARSE_IROT_D270 << 1) | MP4PARSE_IMIR_TOP_BOTTOM, + }; + + HeifFlippedOrientation heifO = + HeifFlippedOrientation((heifRot << 1) | *heifMir); + + switch (heifO) { + case HeifFlippedOrientation::IROT_D0_IMIR_V: + case HeifFlippedOrientation::IROT_D180_IMIR_H: + // ⥜ UPWARDS HARPOON WITH BARB RIGHT FROM BAR + mozRot = Angle::D0; + break; + case HeifFlippedOrientation::IROT_D270_IMIR_V: + case HeifFlippedOrientation::IROT_D90_IMIR_H: + // ⥚ LEFTWARDS HARPOON WITH BARB UP FROM BAR + mozRot = Angle::D90; + break; + case HeifFlippedOrientation::IROT_D180_IMIR_V: + case HeifFlippedOrientation::IROT_D0_IMIR_H: + // ⥡ DOWNWARDS HARPOON WITH BARB LEFT FROM BAR + mozRot = Angle::D180; + break; + case HeifFlippedOrientation::IROT_D90_IMIR_V: + case HeifFlippedOrientation::IROT_D270_IMIR_H: + // ⥟ RIGHTWARDS HARPOON WITH BARB DOWN FROM BAR + mozRot = Angle::D270; + break; + default: + MOZ_ASSERT_UNREACHABLE(); + } + } + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("GetImageOrientation: (rot%d, imir(%s)) -> (Angle%d, " + "Flip%d)", + static_cast<int>(heifRot), + heifMir ? (*heifMir == MP4PARSE_IMIR_LEFT_RIGHT ? "left-right" + : "top-bottom") + : "none", + static_cast<int>(mozRot), static_cast<int>(mozFlip))); + return Orientation{mozRot, mozFlip}; +} +bool AVIFDecoderStream::ReadAt(int64_t offset, void* data, size_t size, + size_t* bytes_read) { + size = std::min(size, size_t(mBuffer->length() - offset)); + + if (size <= 0) { + return false; + } + + memcpy(data, mBuffer->begin() + offset, size); + *bytes_read = size; + return true; +} + +bool AVIFDecoderStream::Length(int64_t* size) { + *size = + static_cast<int64_t>(std::min<uint64_t>(mBuffer->length(), INT64_MAX)); + return true; +} + +const uint8_t* AVIFDecoderStream::GetContiguousAccess(int64_t aOffset, + size_t aSize) { + if (aOffset + aSize >= mBuffer->length()) { + return nullptr; + } + + return mBuffer->begin() + aOffset; +} + +AVIFParser::~AVIFParser() { + MOZ_LOG(sAVIFLog, LogLevel::Debug, ("Destroy AVIFParser=%p", this)); +} + +Mp4parseStatus AVIFParser::Create(const Mp4parseIo* aIo, ByteStream* aBuffer, + UniquePtr<AVIFParser>& aParserOut, + bool aAllowSequences, + bool aAnimateAVIFMajor) { + MOZ_ASSERT(aIo); + MOZ_ASSERT(!aParserOut); + + UniquePtr<AVIFParser> p(new AVIFParser(aIo)); + Mp4parseStatus status = p->Init(aBuffer, aAllowSequences, aAnimateAVIFMajor); + + if (status == MP4PARSE_STATUS_OK) { + MOZ_ASSERT(p->mParser); + aParserOut = std::move(p); + } + + return status; +} + +nsAVIFDecoder::DecodeResult AVIFParser::GetImage(AVIFImage& aImage) { + MOZ_ASSERT(mParser); + + // If the AVIF is animated, get next frame and yield if sequence is not done. + if (IsAnimated()) { + aImage.mColorImage = mColorSampleIter->GetNext(); + + if (!aImage.mColorImage) { + return AsVariant(nsAVIFDecoder::NonDecoderResult::NoSamples); + } + + aImage.mFrameNum = mFrameNum++; + int64_t durationMs = aImage.mColorImage->mDuration.ToMilliseconds(); + aImage.mDuration = FrameTimeout::FromRawMilliseconds( + static_cast<int32_t>(std::min<int64_t>(durationMs, INT32_MAX))); + + if (mAlphaSampleIter) { + aImage.mAlphaImage = mAlphaSampleIter->GetNext(); + if (!aImage.mAlphaImage) { + return AsVariant(nsAVIFDecoder::NonDecoderResult::NoSamples); + } + } + + bool hasNext = mColorSampleIter->HasNext(); + if (mAlphaSampleIter && (hasNext != mAlphaSampleIter->HasNext())) { + MOZ_LOG( + sAVIFLog, LogLevel::Warning, + ("[this=%p] The %s sequence ends before frame %d, aborting decode.", + this, hasNext ? "alpha" : "color", mFrameNum)); + return AsVariant(nsAVIFDecoder::NonDecoderResult::NoSamples); + } + if (!hasNext) { + return AsVariant(nsAVIFDecoder::NonDecoderResult::Complete); + } + return AsVariant(nsAVIFDecoder::NonDecoderResult::OutputAvailable); + } + + if (!mInfo.has_primary_item) { + return AsVariant(nsAVIFDecoder::NonDecoderResult::NoSamples); + } + + // If the AVIF is not animated, get the pitm image and return Complete. + Mp4parseAvifImage image = {}; + Mp4parseStatus status = mp4parse_avif_get_image(mParser.get(), &image); + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] mp4parse_avif_get_image -> %d; primary_item length: " + "%zu, alpha_item length: %zu", + this, status, image.primary_image.length, image.alpha_image.length)); + if (status != MP4PARSE_STATUS_OK) { + return AsVariant(status); + } + + MOZ_ASSERT(image.primary_image.data); + RefPtr<MediaRawData> colorImage = + new MediaRawData(image.primary_image.data, image.primary_image.length); + RefPtr<MediaRawData> alphaImage = nullptr; + + if (image.alpha_image.length) { + alphaImage = + new MediaRawData(image.alpha_image.data, image.alpha_image.length); + } + + aImage.mFrameNum = 0; + aImage.mDuration = FrameTimeout::Forever(); + aImage.mColorImage = colorImage; + aImage.mAlphaImage = alphaImage; + return AsVariant(nsAVIFDecoder::NonDecoderResult::Complete); +} + +AVIFParser::AVIFParser(const Mp4parseIo* aIo) : mIo(aIo) { + MOZ_ASSERT(mIo); + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("Create AVIFParser=%p, image.avif.compliance_strictness: %d", this, + StaticPrefs::image_avif_compliance_strictness())); +} + +static Mp4parseStatus CreateSampleIterator( + Mp4parseAvifParser* aParser, ByteStream* aBuffer, uint32_t trackID, + UniquePtr<SampleIterator>& aIteratorOut) { + Mp4parseByteData data; + uint64_t timescale; + Mp4parseStatus rv = + mp4parse_avif_get_indice_table(aParser, trackID, &data, ×cale); + if (rv != MP4PARSE_STATUS_OK) { + return rv; + } + + UniquePtr<IndiceWrapper> wrapper = MakeUnique<IndiceWrapper>(data); + RefPtr<MP4SampleIndex> index = new MP4SampleIndex( + *wrapper, aBuffer, trackID, false, AssertedCast<int32_t>(timescale)); + aIteratorOut = MakeUnique<SampleIterator>(index); + return MP4PARSE_STATUS_OK; +} + +Mp4parseStatus AVIFParser::Init(ByteStream* aBuffer, bool aAllowSequences, + bool aAnimateAVIFMajor) { +#define CHECK_MP4PARSE_STATUS(v) \ + do { \ + if ((v) != MP4PARSE_STATUS_OK) { \ + return v; \ + } \ + } while (false) + + MOZ_ASSERT(!mParser); + + Mp4parseAvifParser* parser = nullptr; + Mp4parseStatus status = + mp4parse_avif_new(mIo, + static_cast<enum Mp4parseStrictness>( + StaticPrefs::image_avif_compliance_strictness()), + &parser); + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] mp4parse_avif_new status: %d", this, status)); + CHECK_MP4PARSE_STATUS(status); + MOZ_ASSERT(parser); + mParser.reset(parser); + + status = mp4parse_avif_get_info(mParser.get(), &mInfo); + CHECK_MP4PARSE_STATUS(status); + + bool useSequence = mInfo.has_sequence; + if (useSequence) { + if (!aAllowSequences) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] AVIF sequences disabled", this)); + useSequence = false; + } else if (!aAnimateAVIFMajor && + !!memcmp(mInfo.major_brand, "avis", sizeof(mInfo.major_brand))) { + useSequence = false; + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] AVIF prefers still image", this)); + } + } + + if (useSequence) { + status = CreateSampleIterator(parser, aBuffer, mInfo.color_track_id, + mColorSampleIter); + CHECK_MP4PARSE_STATUS(status); + MOZ_ASSERT(mColorSampleIter); + + if (mInfo.alpha_track_id) { + status = CreateSampleIterator(parser, aBuffer, mInfo.alpha_track_id, + mAlphaSampleIter); + CHECK_MP4PARSE_STATUS(status); + MOZ_ASSERT(mAlphaSampleIter); + } + } + + return status; +} + +bool AVIFParser::IsAnimated() const { return !!mColorSampleIter; } + +// The gfx::YUVColorSpace value is only used in the conversion from YUV -> RGB. +// Typically this comes directly from the CICP matrix_coefficients value, but +// certain values require additionally considering the colour_primaries value. +// See `gfxUtils::CicpToColorSpace` for details. We return a gfx::YUVColorSpace +// rather than CICP::MatrixCoefficients, since that's what +// `gfx::ConvertYCbCrATo[A]RGB` uses. `aBitstreamColorSpaceFunc` abstracts the +// fact that different decoder libraries require different methods for +// extracting the CICP values from the AV1 bitstream and we don't want to do +// that work unnecessarily because in addition to wasted effort, it would make +// the logging more confusing. +template <typename F> +static gfx::YUVColorSpace GetAVIFColorSpace( + const Mp4parseNclxColourInformation* aNclx, F&& aBitstreamColorSpaceFunc) { + return ToMaybe(aNclx) + .map([=](const auto& nclx) { + return gfxUtils::CicpToColorSpace( + static_cast<CICP::MatrixCoefficients>(nclx.matrix_coefficients), + static_cast<CICP::ColourPrimaries>(nclx.colour_primaries), + sAVIFLog); + }) + .valueOrFrom(aBitstreamColorSpaceFunc) + .valueOr(gfx::YUVColorSpace::BT601); +} + +static gfx::ColorRange GetAVIFColorRange( + const Mp4parseNclxColourInformation* aNclx, + const gfx::ColorRange av1ColorRange) { + return ToMaybe(aNclx) + .map([=](const auto& nclx) { + return aNclx->full_range_flag ? gfx::ColorRange::FULL + : gfx::ColorRange::LIMITED; + }) + .valueOr(av1ColorRange); +} + +void AVIFDecodedData::SetCicpValues( + const Mp4parseNclxColourInformation* aNclx, + const gfx::CICP::ColourPrimaries aAv1ColourPrimaries, + const gfx::CICP::TransferCharacteristics aAv1TransferCharacteristics, + const gfx::CICP::MatrixCoefficients aAv1MatrixCoefficients) { + auto cp = CICP::ColourPrimaries::CP_UNSPECIFIED; + auto tc = CICP::TransferCharacteristics::TC_UNSPECIFIED; + auto mc = CICP::MatrixCoefficients::MC_UNSPECIFIED; + + if (aNclx) { + cp = static_cast<CICP::ColourPrimaries>(aNclx->colour_primaries); + tc = static_cast<CICP::TransferCharacteristics>( + aNclx->transfer_characteristics); + mc = static_cast<CICP::MatrixCoefficients>(aNclx->matrix_coefficients); + } + + if (cp == CICP::ColourPrimaries::CP_UNSPECIFIED) { + if (aAv1ColourPrimaries != CICP::ColourPrimaries::CP_UNSPECIFIED) { + cp = aAv1ColourPrimaries; + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("Unspecified colour_primaries value specified in colr box, " + "using AV1 sequence header (%hhu)", + cp)); + } else { + cp = CICP::ColourPrimaries::CP_BT709; + MOZ_LOG(sAVIFLog, LogLevel::Warning, + ("Unspecified colour_primaries value specified in colr box " + "or AV1 sequence header, using fallback value (%hhu)", + cp)); + } + } else if (cp != aAv1ColourPrimaries) { + MOZ_LOG(sAVIFLog, LogLevel::Warning, + ("colour_primaries mismatch: colr box = %hhu, AV1 " + "sequence header = %hhu, using colr box", + cp, aAv1ColourPrimaries)); + } + + if (tc == CICP::TransferCharacteristics::TC_UNSPECIFIED) { + if (aAv1TransferCharacteristics != + CICP::TransferCharacteristics::TC_UNSPECIFIED) { + tc = aAv1TransferCharacteristics; + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("Unspecified transfer_characteristics value specified in " + "colr box, using AV1 sequence header (%hhu)", + tc)); + } else { + tc = CICP::TransferCharacteristics::TC_SRGB; + MOZ_LOG(sAVIFLog, LogLevel::Warning, + ("Unspecified transfer_characteristics value specified in " + "colr box or AV1 sequence header, using fallback value (%hhu)", + tc)); + } + } else if (tc != aAv1TransferCharacteristics) { + MOZ_LOG(sAVIFLog, LogLevel::Warning, + ("transfer_characteristics mismatch: colr box = %hhu, " + "AV1 sequence header = %hhu, using colr box", + tc, aAv1TransferCharacteristics)); + } + + if (mc == CICP::MatrixCoefficients::MC_UNSPECIFIED) { + if (aAv1MatrixCoefficients != CICP::MatrixCoefficients::MC_UNSPECIFIED) { + mc = aAv1MatrixCoefficients; + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("Unspecified matrix_coefficients value specified in " + "colr box, using AV1 sequence header (%hhu)", + mc)); + } else { + mc = CICP::MatrixCoefficients::MC_BT601; + MOZ_LOG(sAVIFLog, LogLevel::Warning, + ("Unspecified matrix_coefficients value specified in " + "colr box or AV1 sequence header, using fallback value (%hhu)", + mc)); + } + } else if (mc != aAv1MatrixCoefficients) { + MOZ_LOG(sAVIFLog, LogLevel::Warning, + ("matrix_coefficients mismatch: colr box = %hhu, " + "AV1 sequence header = %hhu, using colr box", + mc, aAv1TransferCharacteristics)); + } + + mColourPrimaries = cp; + mTransferCharacteristics = tc; + mMatrixCoefficients = mc; +} + +class Dav1dDecoder final : AVIFDecoderInterface { + public: + ~Dav1dDecoder() { + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("Destroy Dav1dDecoder=%p", this)); + + if (mColorContext) { + dav1d_close(&mColorContext); + MOZ_ASSERT(!mColorContext); + } + + if (mAlphaContext) { + dav1d_close(&mAlphaContext); + MOZ_ASSERT(!mAlphaContext); + } + } + + static DecodeResult Create(UniquePtr<AVIFDecoderInterface>& aDecoder, + bool aHasAlpha) { + UniquePtr<Dav1dDecoder> d(new Dav1dDecoder()); + Dav1dResult r = d->Init(aHasAlpha); + if (r == 0) { + aDecoder.reset(d.release()); + } + return AsVariant(r); + } + + DecodeResult Decode(bool aShouldSendTelemetry, + const Mp4parseAvifInfo& aAVIFInfo, + const AVIFImage& aSamples) override { + MOZ_ASSERT(mColorContext); + MOZ_ASSERT(!mDecodedData); + MOZ_ASSERT(aSamples.mColorImage); + + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("[this=%p] Decoding color", this)); + + OwnedDav1dPicture colorPic = OwnedDav1dPicture(new Dav1dPicture()); + OwnedDav1dPicture alphaPic = nullptr; + Dav1dResult r = GetPicture(*mColorContext, *aSamples.mColorImage, + colorPic.get(), aShouldSendTelemetry); + if (r != 0) { + return AsVariant(r); + } + + if (aSamples.mAlphaImage) { + MOZ_ASSERT(mAlphaContext); + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("[this=%p] Decoding alpha", this)); + + alphaPic = OwnedDav1dPicture(new Dav1dPicture()); + r = GetPicture(*mAlphaContext, *aSamples.mAlphaImage, alphaPic.get(), + aShouldSendTelemetry); + if (r != 0) { + return AsVariant(r); + } + + // Per § 4 of the AVIF spec + // https://aomediacodec.github.io/av1-avif/#auxiliary-images: An AV1 + // Alpha Image Item […] shall be encoded with the same bit depth as the + // associated master AV1 Image Item + if (colorPic->p.bpc != alphaPic->p.bpc) { + return AsVariant(NonDecoderResult::AlphaYColorDepthMismatch); + } + + if (colorPic->stride[0] != alphaPic->stride[0]) { + return AsVariant(NonDecoderResult::AlphaYSizeMismatch); + } + } + + MOZ_ASSERT_IF(!alphaPic, !aAVIFInfo.premultiplied_alpha); + mDecodedData = Dav1dPictureToDecodedData( + aAVIFInfo.nclx_colour_information, std::move(colorPic), + std::move(alphaPic), aAVIFInfo.premultiplied_alpha); + + return AsVariant(r); + } + + private: + explicit Dav1dDecoder() { + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("Create Dav1dDecoder=%p", this)); + } + + Dav1dResult Init(bool aHasAlpha) { + MOZ_ASSERT(!mColorContext); + MOZ_ASSERT(!mAlphaContext); + + Dav1dSettings settings; + dav1d_default_settings(&settings); + settings.all_layers = 0; + settings.max_frame_delay = 1; + // TODO: tune settings a la DAV1DDecoder for AV1 (Bug 1681816) + + Dav1dResult r = dav1d_open(&mColorContext, &settings); + if (r != 0) { + return r; + } + MOZ_ASSERT(mColorContext); + + if (aHasAlpha) { + r = dav1d_open(&mAlphaContext, &settings); + if (r != 0) { + return r; + } + MOZ_ASSERT(mAlphaContext); + } + + return 0; + } + + static Dav1dResult GetPicture(Dav1dContext& aContext, + const MediaRawData& aBytes, + Dav1dPicture* aPicture, + bool aShouldSendTelemetry) { + MOZ_ASSERT(aPicture); + + Dav1dData dav1dData; + Dav1dResult r = dav1d_data_wrap(&dav1dData, aBytes.Data(), aBytes.Size(), + Dav1dFreeCallback_s, nullptr); + + MOZ_LOG( + sAVIFLog, r == 0 ? LogLevel::Verbose : LogLevel::Error, + ("dav1d_data_wrap(%p, %zu) -> %d", dav1dData.data, dav1dData.sz, r)); + + if (r != 0) { + return r; + } + + r = dav1d_send_data(&aContext, &dav1dData); + + MOZ_LOG(sAVIFLog, r == 0 ? LogLevel::Debug : LogLevel::Error, + ("dav1d_send_data -> %d", r)); + + if (r != 0) { + return r; + } + + r = dav1d_get_picture(&aContext, aPicture); + + MOZ_LOG(sAVIFLog, r == 0 ? LogLevel::Debug : LogLevel::Error, + ("dav1d_get_picture -> %d", r)); + + // We already have the AVIF_DECODE_RESULT histogram to record all the + // successful calls, so only bother recording what type of errors we see + // via events. Unlike AOM, dav1d returns an int, not an enum, so this is + // the easiest way to see if we're getting unexpected behavior to + // investigate. + if (aShouldSendTelemetry && r != 0) { + // Uncomment once bug 1691156 is fixed + // mozilla::Telemetry::SetEventRecordingEnabled("avif"_ns, true); + + mozilla::Telemetry::RecordEvent( + mozilla::Telemetry::EventID::Avif_Dav1dGetPicture_ReturnValue, + Some(nsPrintfCString("%d", r)), Nothing()); + } + + return r; + } + + // A dummy callback for dav1d_data_wrap + static void Dav1dFreeCallback_s(const uint8_t* aBuf, void* aCookie) { + // The buf is managed by the mParser inside Dav1dDecoder itself. Do + // nothing here. + } + + static UniquePtr<AVIFDecodedData> Dav1dPictureToDecodedData( + const Mp4parseNclxColourInformation* aNclx, OwnedDav1dPicture aPicture, + OwnedDav1dPicture aAlphaPlane, bool aPremultipliedAlpha); + + Dav1dContext* mColorContext = nullptr; + Dav1dContext* mAlphaContext = nullptr; +}; + +OwnedAOMImage::OwnedAOMImage() { + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("Create OwnedAOMImage=%p", this)); +} + +OwnedAOMImage::~OwnedAOMImage() { + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("Destroy OwnedAOMImage=%p", this)); +} + +bool OwnedAOMImage::CloneFrom(aom_image_t* aImage, bool aIsAlpha) { + MOZ_ASSERT(aImage); + MOZ_ASSERT(!mImage); + MOZ_ASSERT(!mBuffer); + + uint8_t* srcY = aImage->planes[AOM_PLANE_Y]; + int yStride = aImage->stride[AOM_PLANE_Y]; + int yHeight = aom_img_plane_height(aImage, AOM_PLANE_Y); + size_t yBufSize = yStride * yHeight; + + // If aImage is alpha plane. The data is located in Y channel. + if (aIsAlpha) { + mBuffer = MakeUniqueFallible<uint8_t[]>(yBufSize); + if (!mBuffer) { + return false; + } + uint8_t* destY = mBuffer.get(); + memcpy(destY, srcY, yBufSize); + mImage.emplace(*aImage); + mImage->planes[AOM_PLANE_Y] = destY; + + return true; + } + + uint8_t* srcCb = aImage->planes[AOM_PLANE_U]; + int cbStride = aImage->stride[AOM_PLANE_U]; + int cbHeight = aom_img_plane_height(aImage, AOM_PLANE_U); + size_t cbBufSize = cbStride * cbHeight; + + uint8_t* srcCr = aImage->planes[AOM_PLANE_V]; + int crStride = aImage->stride[AOM_PLANE_V]; + int crHeight = aom_img_plane_height(aImage, AOM_PLANE_V); + size_t crBufSize = crStride * crHeight; + + mBuffer = MakeUniqueFallible<uint8_t[]>(yBufSize + cbBufSize + crBufSize); + if (!mBuffer) { + return false; + } + + uint8_t* destY = mBuffer.get(); + uint8_t* destCb = destY + yBufSize; + uint8_t* destCr = destCb + cbBufSize; + + memcpy(destY, srcY, yBufSize); + memcpy(destCb, srcCb, cbBufSize); + memcpy(destCr, srcCr, crBufSize); + + mImage.emplace(*aImage); + mImage->planes[AOM_PLANE_Y] = destY; + mImage->planes[AOM_PLANE_U] = destCb; + mImage->planes[AOM_PLANE_V] = destCr; + + return true; +} + +/* static */ +OwnedAOMImage* OwnedAOMImage::CopyFrom(aom_image_t* aImage, bool aIsAlpha) { + MOZ_ASSERT(aImage); + UniquePtr<OwnedAOMImage> img(new OwnedAOMImage()); + if (!img->CloneFrom(aImage, aIsAlpha)) { + return nullptr; + } + return img.release(); +} + +class AOMDecoder final : AVIFDecoderInterface { + public: + ~AOMDecoder() { + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("Destroy AOMDecoder=%p", this)); + + if (mColorContext.isSome()) { + aom_codec_err_t r = aom_codec_destroy(mColorContext.ptr()); + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] aom_codec_destroy -> %d", this, r)); + } + + if (mAlphaContext.isSome()) { + aom_codec_err_t r = aom_codec_destroy(mAlphaContext.ptr()); + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] aom_codec_destroy -> %d", this, r)); + } + } + + static DecodeResult Create(UniquePtr<AVIFDecoderInterface>& aDecoder, + bool aHasAlpha) { + UniquePtr<AOMDecoder> d(new AOMDecoder()); + aom_codec_err_t e = d->Init(aHasAlpha); + if (e == AOM_CODEC_OK) { + aDecoder.reset(d.release()); + } + return AsVariant(AOMResult(e)); + } + + DecodeResult Decode(bool aShouldSendTelemetry, + const Mp4parseAvifInfo& aAVIFInfo, + const AVIFImage& aSamples) override { + MOZ_ASSERT(mColorContext.isSome()); + MOZ_ASSERT(!mDecodedData); + MOZ_ASSERT(aSamples.mColorImage); + + aom_image_t* aomImg = nullptr; + DecodeResult r = GetImage(*mColorContext, *aSamples.mColorImage, &aomImg, + aShouldSendTelemetry); + if (!IsDecodeSuccess(r)) { + return r; + } + MOZ_ASSERT(aomImg); + + // The aomImg will be released in next GetImage call (aom_codec_decode + // actually). The GetImage could be called again immediately if parsedImg + // contains alpha data. Therefore, we need to copy the image and manage it + // by AOMDecoder itself. + OwnedAOMImage* clonedImg = OwnedAOMImage::CopyFrom(aomImg, false); + if (!clonedImg) { + return AsVariant(NonDecoderResult::OutOfMemory); + } + mOwnedImage.reset(clonedImg); + + if (aSamples.mAlphaImage) { + MOZ_ASSERT(mAlphaContext.isSome()); + + aom_image_t* alphaImg = nullptr; + r = GetImage(*mAlphaContext, *aSamples.mAlphaImage, &alphaImg, + aShouldSendTelemetry); + if (!IsDecodeSuccess(r)) { + return r; + } + MOZ_ASSERT(alphaImg); + + OwnedAOMImage* clonedAlphaImg = OwnedAOMImage::CopyFrom(alphaImg, true); + if (!clonedAlphaImg) { + return AsVariant(NonDecoderResult::OutOfMemory); + } + mOwnedAlphaPlane.reset(clonedAlphaImg); + + // Per § 4 of the AVIF spec + // https://aomediacodec.github.io/av1-avif/#auxiliary-images: An AV1 + // Alpha Image Item […] shall be encoded with the same bit depth as the + // associated master AV1 Image Item + MOZ_ASSERT(mOwnedImage->GetImage() && mOwnedAlphaPlane->GetImage()); + if (mOwnedImage->GetImage()->bit_depth != + mOwnedAlphaPlane->GetImage()->bit_depth) { + return AsVariant(NonDecoderResult::AlphaYColorDepthMismatch); + } + + if (mOwnedImage->GetImage()->stride[AOM_PLANE_Y] != + mOwnedAlphaPlane->GetImage()->stride[AOM_PLANE_Y]) { + return AsVariant(NonDecoderResult::AlphaYSizeMismatch); + } + } + + MOZ_ASSERT_IF(!mOwnedAlphaPlane, !aAVIFInfo.premultiplied_alpha); + mDecodedData = AOMImageToToDecodedData( + aAVIFInfo.nclx_colour_information, std::move(mOwnedImage), + std::move(mOwnedAlphaPlane), aAVIFInfo.premultiplied_alpha); + + return r; + } + + private: + explicit AOMDecoder() { + MOZ_LOG(sAVIFLog, LogLevel::Verbose, ("Create AOMDecoder=%p", this)); + } + + aom_codec_err_t Init(bool aHasAlpha) { + MOZ_ASSERT(mColorContext.isNothing()); + MOZ_ASSERT(mAlphaContext.isNothing()); + + aom_codec_iface_t* iface = aom_codec_av1_dx(); + + // Init color decoder context + mColorContext.emplace(); + aom_codec_err_t r = aom_codec_dec_init( + mColorContext.ptr(), iface, /* cfg = */ nullptr, /* flags = */ 0); + + MOZ_LOG(sAVIFLog, r == AOM_CODEC_OK ? LogLevel::Verbose : LogLevel::Error, + ("[this=%p] color decoder: aom_codec_dec_init -> %d, name = %s", + this, r, mColorContext->name)); + + if (r != AOM_CODEC_OK) { + mColorContext.reset(); + return r; + } + + if (aHasAlpha) { + // Init alpha decoder context + mAlphaContext.emplace(); + r = aom_codec_dec_init(mAlphaContext.ptr(), iface, /* cfg = */ nullptr, + /* flags = */ 0); + + MOZ_LOG(sAVIFLog, r == AOM_CODEC_OK ? LogLevel::Verbose : LogLevel::Error, + ("[this=%p] color decoder: aom_codec_dec_init -> %d, name = %s", + this, r, mAlphaContext->name)); + + if (r != AOM_CODEC_OK) { + mAlphaContext.reset(); + return r; + } + } + + return r; + } + + static DecodeResult GetImage(aom_codec_ctx_t& aContext, + const MediaRawData& aData, aom_image_t** aImage, + bool aShouldSendTelemetry) { + aom_codec_err_t r = + aom_codec_decode(&aContext, aData.Data(), aData.Size(), nullptr); + + MOZ_LOG(sAVIFLog, r == AOM_CODEC_OK ? LogLevel::Verbose : LogLevel::Error, + ("aom_codec_decode -> %d", r)); + + if (aShouldSendTelemetry) { + switch (r) { + case AOM_CODEC_OK: + // No need to record any telemetry for the common case + break; + case AOM_CODEC_ERROR: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::error); + break; + case AOM_CODEC_MEM_ERROR: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::mem_error); + break; + case AOM_CODEC_ABI_MISMATCH: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::abi_mismatch); + break; + case AOM_CODEC_INCAPABLE: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::incapable); + break; + case AOM_CODEC_UNSUP_BITSTREAM: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::unsup_bitstream); + break; + case AOM_CODEC_UNSUP_FEATURE: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::unsup_feature); + break; + case AOM_CODEC_CORRUPT_FRAME: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::corrupt_frame); + break; + case AOM_CODEC_INVALID_PARAM: + AccumulateCategorical(LABELS_AVIF_AOM_DECODE_ERROR::invalid_param); + break; + default: + MOZ_ASSERT_UNREACHABLE( + "Unknown aom_codec_err_t value from aom_codec_decode"); + } + } + + if (r != AOM_CODEC_OK) { + return AsVariant(AOMResult(r)); + } + + aom_codec_iter_t iter = nullptr; + aom_image_t* img = aom_codec_get_frame(&aContext, &iter); + + MOZ_LOG(sAVIFLog, img == nullptr ? LogLevel::Error : LogLevel::Verbose, + ("aom_codec_get_frame -> %p", img)); + + if (img == nullptr) { + return AsVariant(AOMResult(NonAOMCodecError::NoFrame)); + } + + const CheckedInt<int> decoded_width = img->d_w; + const CheckedInt<int> decoded_height = img->d_h; + + if (!decoded_height.isValid() || !decoded_width.isValid()) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("image dimensions can't be stored in int: d_w: %u, " + "d_h: %u", + img->d_w, img->d_h)); + return AsVariant(AOMResult(NonAOMCodecError::SizeOverflow)); + } + + *aImage = img; + return AsVariant(AOMResult(r)); + } + + static UniquePtr<AVIFDecodedData> AOMImageToToDecodedData( + const Mp4parseNclxColourInformation* aNclx, + UniquePtr<OwnedAOMImage> aImage, UniquePtr<OwnedAOMImage> aAlphaPlane, + bool aPremultipliedAlpha); + + Maybe<aom_codec_ctx_t> mColorContext; + Maybe<aom_codec_ctx_t> mAlphaContext; + UniquePtr<OwnedAOMImage> mOwnedImage; + UniquePtr<OwnedAOMImage> mOwnedAlphaPlane; +}; + +/* static */ +UniquePtr<AVIFDecodedData> Dav1dDecoder::Dav1dPictureToDecodedData( + const Mp4parseNclxColourInformation* aNclx, OwnedDav1dPicture aPicture, + OwnedDav1dPicture aAlphaPlane, bool aPremultipliedAlpha) { + MOZ_ASSERT(aPicture); + + static_assert(std::is_same<int, decltype(aPicture->p.w)>::value); + static_assert(std::is_same<int, decltype(aPicture->p.h)>::value); + + UniquePtr<AVIFDecodedData> data = MakeUnique<AVIFDecodedData>(); + + data->mRenderSize.emplace(aPicture->frame_hdr->render_width, + aPicture->frame_hdr->render_height); + + data->mYChannel = static_cast<uint8_t*>(aPicture->data[0]); + data->mYStride = aPicture->stride[0]; + data->mYSkip = aPicture->stride[0] - aPicture->p.w; + data->mCbChannel = static_cast<uint8_t*>(aPicture->data[1]); + data->mCrChannel = static_cast<uint8_t*>(aPicture->data[2]); + data->mCbCrStride = aPicture->stride[1]; + + switch (aPicture->p.layout) { + case DAV1D_PIXEL_LAYOUT_I400: // Monochrome, so no Cb or Cr channels + break; + case DAV1D_PIXEL_LAYOUT_I420: + data->mChromaSubsampling = ChromaSubsampling::HALF_WIDTH_AND_HEIGHT; + break; + case DAV1D_PIXEL_LAYOUT_I422: + data->mChromaSubsampling = ChromaSubsampling::HALF_WIDTH; + break; + case DAV1D_PIXEL_LAYOUT_I444: + break; + default: + MOZ_ASSERT_UNREACHABLE("Unknown pixel layout"); + } + + data->mCbSkip = aPicture->stride[1] - aPicture->p.w; + data->mCrSkip = aPicture->stride[1] - aPicture->p.w; + data->mPictureRect = IntRect(0, 0, aPicture->p.w, aPicture->p.h); + data->mStereoMode = StereoMode::MONO; + data->mColorDepth = ColorDepthForBitDepth(aPicture->p.bpc); + + MOZ_ASSERT(aPicture->p.bpc == BitDepthForColorDepth(data->mColorDepth)); + + data->mYUVColorSpace = GetAVIFColorSpace(aNclx, [&]() { + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("YUVColorSpace cannot be determined from colr box, using AV1 " + "sequence header")); + return DAV1DDecoder::GetColorSpace(*aPicture, sAVIFLog); + }); + + auto av1ColourPrimaries = CICP::ColourPrimaries::CP_UNSPECIFIED; + auto av1TransferCharacteristics = + CICP::TransferCharacteristics::TC_UNSPECIFIED; + auto av1MatrixCoefficients = CICP::MatrixCoefficients::MC_UNSPECIFIED; + + MOZ_ASSERT(aPicture->seq_hdr); + auto& seq_hdr = *aPicture->seq_hdr; + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("seq_hdr.color_description_present: %d", + seq_hdr.color_description_present)); + if (seq_hdr.color_description_present) { + av1ColourPrimaries = static_cast<CICP::ColourPrimaries>(seq_hdr.pri); + av1TransferCharacteristics = + static_cast<CICP::TransferCharacteristics>(seq_hdr.trc); + av1MatrixCoefficients = static_cast<CICP::MatrixCoefficients>(seq_hdr.mtrx); + } + + data->SetCicpValues(aNclx, av1ColourPrimaries, av1TransferCharacteristics, + av1MatrixCoefficients); + + gfx::ColorRange av1ColorRange = + seq_hdr.color_range ? gfx::ColorRange::FULL : gfx::ColorRange::LIMITED; + data->mColorRange = GetAVIFColorRange(aNclx, av1ColorRange); + + auto colorPrimaries = + gfxUtils::CicpToColorPrimaries(data->mColourPrimaries, sAVIFLog); + if (colorPrimaries.isSome()) { + data->mColorPrimaries = *colorPrimaries; + } + + if (aAlphaPlane) { + MOZ_ASSERT(aAlphaPlane->stride[0] == data->mYStride); + data->mAlpha.emplace(); + data->mAlpha->mChannel = static_cast<uint8_t*>(aAlphaPlane->data[0]); + data->mAlpha->mSize = gfx::IntSize(aAlphaPlane->p.w, aAlphaPlane->p.h); + data->mAlpha->mPremultiplied = aPremultipliedAlpha; + } + + data->mColorDav1d = std::move(aPicture); + data->mAlphaDav1d = std::move(aAlphaPlane); + + return data; +} + +/* static */ +UniquePtr<AVIFDecodedData> AOMDecoder::AOMImageToToDecodedData( + const Mp4parseNclxColourInformation* aNclx, UniquePtr<OwnedAOMImage> aImage, + UniquePtr<OwnedAOMImage> aAlphaPlane, bool aPremultipliedAlpha) { + aom_image_t* colorImage = aImage->GetImage(); + aom_image_t* alphaImage = aAlphaPlane ? aAlphaPlane->GetImage() : nullptr; + + MOZ_ASSERT(colorImage); + MOZ_ASSERT(colorImage->stride[AOM_PLANE_Y] == + colorImage->stride[AOM_PLANE_ALPHA]); + MOZ_ASSERT(colorImage->stride[AOM_PLANE_Y] >= + aom_img_plane_width(colorImage, AOM_PLANE_Y)); + MOZ_ASSERT(colorImage->stride[AOM_PLANE_U] == + colorImage->stride[AOM_PLANE_V]); + MOZ_ASSERT(colorImage->stride[AOM_PLANE_U] >= + aom_img_plane_width(colorImage, AOM_PLANE_U)); + MOZ_ASSERT(colorImage->stride[AOM_PLANE_V] >= + aom_img_plane_width(colorImage, AOM_PLANE_V)); + MOZ_ASSERT(aom_img_plane_width(colorImage, AOM_PLANE_U) == + aom_img_plane_width(colorImage, AOM_PLANE_V)); + MOZ_ASSERT(aom_img_plane_height(colorImage, AOM_PLANE_U) == + aom_img_plane_height(colorImage, AOM_PLANE_V)); + + UniquePtr<AVIFDecodedData> data = MakeUnique<AVIFDecodedData>(); + + data->mRenderSize.emplace(colorImage->r_w, colorImage->r_h); + + data->mYChannel = colorImage->planes[AOM_PLANE_Y]; + data->mYStride = colorImage->stride[AOM_PLANE_Y]; + data->mYSkip = colorImage->stride[AOM_PLANE_Y] - + aom_img_plane_width(colorImage, AOM_PLANE_Y); + data->mCbChannel = colorImage->planes[AOM_PLANE_U]; + data->mCrChannel = colorImage->planes[AOM_PLANE_V]; + data->mCbCrStride = colorImage->stride[AOM_PLANE_U]; + data->mCbSkip = colorImage->stride[AOM_PLANE_U] - + aom_img_plane_width(colorImage, AOM_PLANE_U); + data->mCrSkip = colorImage->stride[AOM_PLANE_V] - + aom_img_plane_width(colorImage, AOM_PLANE_V); + data->mPictureRect = gfx::IntRect(0, 0, colorImage->d_w, colorImage->d_h); + data->mStereoMode = StereoMode::MONO; + data->mColorDepth = ColorDepthForBitDepth(colorImage->bit_depth); + + if (colorImage->x_chroma_shift == 1 && colorImage->y_chroma_shift == 1) { + data->mChromaSubsampling = gfx::ChromaSubsampling::HALF_WIDTH_AND_HEIGHT; + } else if (colorImage->x_chroma_shift == 1 && + colorImage->y_chroma_shift == 0) { + data->mChromaSubsampling = gfx::ChromaSubsampling::HALF_WIDTH; + } else if (colorImage->x_chroma_shift != 0 || + colorImage->y_chroma_shift != 0) { + MOZ_ASSERT_UNREACHABLE("unexpected chroma shifts"); + } + + MOZ_ASSERT(colorImage->bit_depth == BitDepthForColorDepth(data->mColorDepth)); + + auto av1ColourPrimaries = static_cast<CICP::ColourPrimaries>(colorImage->cp); + auto av1TransferCharacteristics = + static_cast<CICP::TransferCharacteristics>(colorImage->tc); + auto av1MatrixCoefficients = + static_cast<CICP::MatrixCoefficients>(colorImage->mc); + + data->mYUVColorSpace = GetAVIFColorSpace(aNclx, [=]() { + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("YUVColorSpace cannot be determined from colr box, using AV1 " + "sequence header")); + return gfxUtils::CicpToColorSpace(av1MatrixCoefficients, av1ColourPrimaries, + sAVIFLog); + }); + + gfx::ColorRange av1ColorRange; + if (colorImage->range == AOM_CR_STUDIO_RANGE) { + av1ColorRange = gfx::ColorRange::LIMITED; + } else { + MOZ_ASSERT(colorImage->range == AOM_CR_FULL_RANGE); + av1ColorRange = gfx::ColorRange::FULL; + } + data->mColorRange = GetAVIFColorRange(aNclx, av1ColorRange); + + data->SetCicpValues(aNclx, av1ColourPrimaries, av1TransferCharacteristics, + av1MatrixCoefficients); + + auto colorPrimaries = + gfxUtils::CicpToColorPrimaries(data->mColourPrimaries, sAVIFLog); + if (colorPrimaries.isSome()) { + data->mColorPrimaries = *colorPrimaries; + } + + if (alphaImage) { + MOZ_ASSERT(alphaImage->stride[AOM_PLANE_Y] == data->mYStride); + data->mAlpha.emplace(); + data->mAlpha->mChannel = alphaImage->planes[AOM_PLANE_Y]; + data->mAlpha->mSize = gfx::IntSize(alphaImage->d_w, alphaImage->d_h); + data->mAlpha->mPremultiplied = aPremultipliedAlpha; + } + + data->mColorAOM = std::move(aImage); + data->mAlphaAOM = std::move(aAlphaPlane); + + return data; +} + +// Wrapper to allow rust to call our read adaptor. +intptr_t nsAVIFDecoder::ReadSource(uint8_t* aDestBuf, uintptr_t aDestBufSize, + void* aUserData) { + MOZ_ASSERT(aDestBuf); + MOZ_ASSERT(aUserData); + + MOZ_LOG(sAVIFLog, LogLevel::Verbose, + ("AVIF ReadSource, aDestBufSize: %zu", aDestBufSize)); + + auto* decoder = reinterpret_cast<nsAVIFDecoder*>(aUserData); + + MOZ_ASSERT(decoder->mReadCursor); + + size_t bufferLength = decoder->mBufferedData.end() - decoder->mReadCursor; + size_t n_bytes = std::min(aDestBufSize, bufferLength); + + MOZ_LOG( + sAVIFLog, LogLevel::Verbose, + ("AVIF ReadSource, %zu bytes ready, copying %zu", bufferLength, n_bytes)); + + memcpy(aDestBuf, decoder->mReadCursor, n_bytes); + decoder->mReadCursor += n_bytes; + + return n_bytes; +} + +nsAVIFDecoder::nsAVIFDecoder(RasterImage* aImage) : Decoder(aImage) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] nsAVIFDecoder::nsAVIFDecoder", this)); +} + +nsAVIFDecoder::~nsAVIFDecoder() { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] nsAVIFDecoder::~nsAVIFDecoder", this)); +} + +LexerResult nsAVIFDecoder::DoDecode(SourceBufferIterator& aIterator, + IResumable* aOnResume) { + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("[this=%p] nsAVIFDecoder::DoDecode start", this)); + + DecodeResult result = DoDecodeInternal(aIterator, aOnResume); + + RecordDecodeResultTelemetry(result); + + if (result.is<NonDecoderResult>()) { + NonDecoderResult r = result.as<NonDecoderResult>(); + if (r == NonDecoderResult::NeedMoreData) { + return LexerResult(Yield::NEED_MORE_DATA); + } + if (r == NonDecoderResult::OutputAvailable) { + MOZ_ASSERT(HasSize()); + return LexerResult(Yield::OUTPUT_AVAILABLE); + } + if (r == NonDecoderResult::Complete) { + MOZ_ASSERT(HasSize()); + return LexerResult(TerminalState::SUCCESS); + } + return LexerResult(TerminalState::FAILURE); + } + + MOZ_ASSERT(result.is<Dav1dResult>() || result.is<AOMResult>() || + result.is<Mp4parseStatus>()); + // If IsMetadataDecode(), a successful parse should return + // NonDecoderResult::MetadataOk or else continue to the decode stage + MOZ_ASSERT_IF(result.is<Mp4parseStatus>(), + result.as<Mp4parseStatus>() != MP4PARSE_STATUS_OK); + auto rv = LexerResult(IsDecodeSuccess(result) ? TerminalState::SUCCESS + : TerminalState::FAILURE); + MOZ_LOG(sAVIFLog, LogLevel::Info, + ("[this=%p] nsAVIFDecoder::DoDecode end", this)); + return rv; +} + +Mp4parseStatus nsAVIFDecoder::CreateParser() { + if (!mParser) { + Mp4parseIo io = {nsAVIFDecoder::ReadSource, this}; + mBufferStream = new AVIFDecoderStream(&mBufferedData); + + Mp4parseStatus status = AVIFParser::Create( + &io, mBufferStream.get(), mParser, + bool(GetDecoderFlags() & DecoderFlags::AVIF_SEQUENCES_ENABLED), + bool(GetDecoderFlags() & DecoderFlags::AVIF_ANIMATE_AVIF_MAJOR)); + + if (status != MP4PARSE_STATUS_OK) { + return status; + } + + const Mp4parseAvifInfo& info = mParser->GetInfo(); + mIsAnimated = mParser->IsAnimated(); + mHasAlpha = mIsAnimated ? !!info.alpha_track_id : info.has_alpha_item; + } + + return MP4PARSE_STATUS_OK; +} + +nsAVIFDecoder::DecodeResult nsAVIFDecoder::CreateDecoder() { + if (!mDecoder) { + DecodeResult r = StaticPrefs::image_avif_use_dav1d() + ? Dav1dDecoder::Create(mDecoder, mHasAlpha) + : AOMDecoder::Create(mDecoder, mHasAlpha); + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] Create %sDecoder %ssuccessfully", this, + StaticPrefs::image_avif_use_dav1d() ? "Dav1d" : "AOM", + IsDecodeSuccess(r) ? "" : "un")); + + return r; + } + + return StaticPrefs::image_avif_use_dav1d() + ? DecodeResult(Dav1dResult(0)) + : DecodeResult(AOMResult(AOM_CODEC_OK)); +} + +// Records all telemetry available in the AVIF metadata, called only once during +// the metadata decode to avoid multiple counts. +static void RecordMetadataTelem(const Mp4parseAvifInfo& aInfo) { + if (aInfo.pixel_aspect_ratio) { + const uint32_t& h_spacing = aInfo.pixel_aspect_ratio->h_spacing; + const uint32_t& v_spacing = aInfo.pixel_aspect_ratio->v_spacing; + + if (h_spacing == 0 || v_spacing == 0) { + AccumulateCategorical(LABELS_AVIF_PASP::invalid); + } else if (h_spacing == v_spacing) { + AccumulateCategorical(LABELS_AVIF_PASP::square); + } else { + AccumulateCategorical(LABELS_AVIF_PASP::nonsquare); + } + } else { + AccumulateCategorical(LABELS_AVIF_PASP::absent); + } + + const auto& major_brand = aInfo.major_brand; + if (!memcmp(major_brand, "avif", sizeof(major_brand))) { + AccumulateCategorical(LABELS_AVIF_MAJOR_BRAND::avif); + } else if (!memcmp(major_brand, "avis", sizeof(major_brand))) { + AccumulateCategorical(LABELS_AVIF_MAJOR_BRAND::avis); + } else { + AccumulateCategorical(LABELS_AVIF_MAJOR_BRAND::other); + } + + AccumulateCategorical(aInfo.has_sequence ? LABELS_AVIF_SEQUENCE::present + : LABELS_AVIF_SEQUENCE::absent); + +#define FEATURE_TELEMETRY(fourcc) \ + AccumulateCategorical( \ + (aInfo.unsupported_features_bitfield & (1 << MP4PARSE_FEATURE_##fourcc)) \ + ? LABELS_AVIF_##fourcc::present \ + : LABELS_AVIF_##fourcc::absent) + FEATURE_TELEMETRY(A1LX); + FEATURE_TELEMETRY(A1OP); + FEATURE_TELEMETRY(CLAP); + FEATURE_TELEMETRY(GRID); + FEATURE_TELEMETRY(IPRO); + FEATURE_TELEMETRY(LSEL); + + if (aInfo.nclx_colour_information && aInfo.icc_colour_information.data) { + AccumulateCategorical(LABELS_AVIF_COLR::both); + } else if (aInfo.nclx_colour_information) { + AccumulateCategorical(LABELS_AVIF_COLR::nclx); + } else if (aInfo.icc_colour_information.data) { + AccumulateCategorical(LABELS_AVIF_COLR::icc); + } else { + AccumulateCategorical(LABELS_AVIF_COLR::absent); + } +} + +static void RecordPixiTelemetry(uint8_t aPixiBitDepth, + uint8_t aBitstreamBitDepth, + const char* aItemName) { + if (aPixiBitDepth == 0) { + AccumulateCategorical(LABELS_AVIF_PIXI::absent); + } else if (aPixiBitDepth == aBitstreamBitDepth) { + AccumulateCategorical(LABELS_AVIF_PIXI::valid); + } else { + MOZ_LOG(sAVIFLog, LogLevel::Error, + ("%s item pixi bit depth (%hhu) doesn't match " + "bitstream (%hhu)", + aItemName, aPixiBitDepth, aBitstreamBitDepth)); + AccumulateCategorical(LABELS_AVIF_PIXI::bitstream_mismatch); + } +} + +// This telemetry depends on the results of decoding. +// These data must be recorded only on the first frame decoded after metadata +// decode finishes. +static void RecordFrameTelem(bool aAnimated, const Mp4parseAvifInfo& aInfo, + const AVIFDecodedData& aData) { + AccumulateCategorical( + gColorSpaceLabel[static_cast<size_t>(aData.mYUVColorSpace)]); + AccumulateCategorical( + gColorDepthLabel[static_cast<size_t>(aData.mColorDepth)]); + + RecordPixiTelemetry( + aAnimated ? aInfo.color_track_bit_depth : aInfo.primary_item_bit_depth, + BitDepthForColorDepth(aData.mColorDepth), "color"); + + if (aData.mAlpha) { + AccumulateCategorical(LABELS_AVIF_ALPHA::present); + RecordPixiTelemetry( + aAnimated ? aInfo.alpha_track_bit_depth : aInfo.alpha_item_bit_depth, + BitDepthForColorDepth(aData.mColorDepth), "alpha"); + } else { + AccumulateCategorical(LABELS_AVIF_ALPHA::absent); + } + + if (CICP::IsReserved(aData.mColourPrimaries)) { + AccumulateCategorical(LABELS_AVIF_CICP_CP::RESERVED_REST); + } else { + AccumulateCategorical( + static_cast<LABELS_AVIF_CICP_CP>(aData.mColourPrimaries)); + } + + if (CICP::IsReserved(aData.mTransferCharacteristics)) { + AccumulateCategorical(LABELS_AVIF_CICP_TC::RESERVED); + } else { + AccumulateCategorical( + static_cast<LABELS_AVIF_CICP_TC>(aData.mTransferCharacteristics)); + } + + if (CICP::IsReserved(aData.mMatrixCoefficients)) { + AccumulateCategorical(LABELS_AVIF_CICP_MC::RESERVED); + } else { + AccumulateCategorical( + static_cast<LABELS_AVIF_CICP_MC>(aData.mMatrixCoefficients)); + } +} + +nsAVIFDecoder::DecodeResult nsAVIFDecoder::DoDecodeInternal( + SourceBufferIterator& aIterator, IResumable* aOnResume) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] nsAVIFDecoder::DoDecodeInternal", this)); + + // Since the SourceBufferIterator doesn't guarantee a contiguous buffer, + // but the current mp4parse-rust implementation requires it, always buffer + // locally. This keeps the code simpler at the cost of some performance, but + // this implementation is only experimental, so we don't want to spend time + // optimizing it prematurely. + while (!mReadCursor) { + SourceBufferIterator::State state = + aIterator.AdvanceOrScheduleResume(SIZE_MAX, aOnResume); + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] After advance, iterator state is %d", this, state)); + + switch (state) { + case SourceBufferIterator::WAITING: + return AsVariant(NonDecoderResult::NeedMoreData); + + case SourceBufferIterator::COMPLETE: + mReadCursor = mBufferedData.begin(); + break; + + case SourceBufferIterator::READY: { // copy new data to buffer + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] SourceBufferIterator ready, %zu bytes available", + this, aIterator.Length())); + + bool appendSuccess = + mBufferedData.append(aIterator.Data(), aIterator.Length()); + + if (!appendSuccess) { + MOZ_LOG(sAVIFLog, LogLevel::Error, + ("[this=%p] Failed to append %zu bytes to buffer", this, + aIterator.Length())); + } + + break; + } + + default: + MOZ_ASSERT_UNREACHABLE("unexpected SourceBufferIterator state"); + } + } + + Mp4parseStatus parserStatus = CreateParser(); + + if (parserStatus != MP4PARSE_STATUS_OK) { + return AsVariant(parserStatus); + } + + const Mp4parseAvifInfo& parsedInfo = mParser->GetInfo(); + + if (parsedInfo.icc_colour_information.data) { + const auto& icc = parsedInfo.icc_colour_information; + MOZ_LOG( + sAVIFLog, LogLevel::Debug, + ("[this=%p] colr type ICC: %zu bytes %p", this, icc.length, icc.data)); + } + + if (IsMetadataDecode()) { + RecordMetadataTelem(parsedInfo); + } + + if (parsedInfo.nclx_colour_information) { + const auto& nclx = *parsedInfo.nclx_colour_information; + MOZ_LOG( + sAVIFLog, LogLevel::Debug, + ("[this=%p] colr type CICP: cp/tc/mc/full-range %u/%u/%u/%s", this, + nclx.colour_primaries, nclx.transfer_characteristics, + nclx.matrix_coefficients, nclx.full_range_flag ? "true" : "false")); + } + + if (!parsedInfo.icc_colour_information.data && + !parsedInfo.nclx_colour_information) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] colr box not present", this)); + } + + AVIFImage parsedImage; + DecodeResult r = mParser->GetImage(parsedImage); + if (!IsDecodeSuccess(r)) { + return r; + } + bool isDone = + !IsMetadataDecode() && r == DecodeResult(NonDecoderResult::Complete); + + if (mIsAnimated) { + PostIsAnimated(parsedImage.mDuration); + } + if (mHasAlpha) { + PostHasTransparency(); + } + + Orientation orientation = StaticPrefs::image_avif_apply_transforms() + ? GetImageOrientation(parsedInfo) + : Orientation{}; + // TODO: Orientation should probably also apply to animated AVIFs. + if (mIsAnimated) { + orientation = Orientation{}; + } + + MaybeIntSize ispeImageSize = GetImageSize(parsedInfo); + + bool sendDecodeTelemetry = IsMetadataDecode(); + if (ispeImageSize.isSome()) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] Parser returned image size %d x %d (%d/%d bit)", this, + ispeImageSize->width, ispeImageSize->height, + mIsAnimated ? parsedInfo.color_track_bit_depth + : parsedInfo.primary_item_bit_depth, + mIsAnimated ? parsedInfo.alpha_track_bit_depth + : parsedInfo.alpha_item_bit_depth)); + PostSize(ispeImageSize->width, ispeImageSize->height, orientation); + if (IsMetadataDecode()) { + MOZ_LOG( + sAVIFLog, LogLevel::Debug, + ("[this=%p] Finishing metadata decode without image decode", this)); + return AsVariant(NonDecoderResult::Complete); + } + // If we're continuing to decode here, this means we skipped decode + // telemetry for the metadata decode pass. Send it this time. + sendDecodeTelemetry = true; + } else { + MOZ_LOG(sAVIFLog, LogLevel::Error, + ("[this=%p] Parser returned no image size, decoding...", this)); + } + + r = CreateDecoder(); + if (!IsDecodeSuccess(r)) { + return r; + } + MOZ_ASSERT(mDecoder); + r = mDecoder->Decode(sendDecodeTelemetry, parsedInfo, parsedImage); + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] Decoder%s->Decode() %s", this, + StaticPrefs::image_avif_use_dav1d() ? "Dav1d" : "AOM", + IsDecodeSuccess(r) ? "succeeds" : "fails")); + + if (!IsDecodeSuccess(r)) { + return r; + } + + UniquePtr<AVIFDecodedData> decodedData = mDecoder->GetDecodedData(); + + MOZ_ASSERT_IF(mHasAlpha, decodedData->mAlpha.isSome()); + + MOZ_ASSERT(decodedData->mColourPrimaries != + CICP::ColourPrimaries::CP_UNSPECIFIED); + MOZ_ASSERT(decodedData->mTransferCharacteristics != + CICP::TransferCharacteristics::TC_UNSPECIFIED); + MOZ_ASSERT(decodedData->mColorRange <= gfx::ColorRange::_Last); + MOZ_ASSERT(decodedData->mYUVColorSpace <= gfx::YUVColorSpace::_Last); + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] decodedData.mColorRange: %hhd", this, + static_cast<uint8_t>(decodedData->mColorRange))); + + // Technically it's valid but we don't handle it now (Bug 1682318). + if (decodedData->mAlpha && + decodedData->mAlpha->mSize != decodedData->YDataSize()) { + return AsVariant(NonDecoderResult::AlphaYSizeMismatch); + } + + bool isFirstFrame = GetFrameCount() == 0; + + if (!HasSize()) { + MOZ_ASSERT(isFirstFrame); + MOZ_LOG( + sAVIFLog, LogLevel::Error, + ("[this=%p] Using decoded image size: %d x %d", this, + decodedData->mPictureRect.width, decodedData->mPictureRect.height)); + PostSize(decodedData->mPictureRect.width, decodedData->mPictureRect.height, + orientation); + AccumulateCategorical(LABELS_AVIF_ISPE::absent); + } else { + // Verify that the bitstream hasn't changed the image size compared to + // either the ispe box or the previous frames. + IntSize expectedSize = GetImageMetadata() + .GetOrientation() + .ToUnoriented(Size()) + .ToUnknownSize(); + if (decodedData->mPictureRect.width != expectedSize.width || + decodedData->mPictureRect.height != expectedSize.height) { + if (isFirstFrame) { + MOZ_LOG( + sAVIFLog, LogLevel::Error, + ("[this=%p] Metadata image size doesn't match decoded image size: " + "(%d x %d) != (%d x %d)", + this, ispeImageSize->width, ispeImageSize->height, + decodedData->mPictureRect.width, + decodedData->mPictureRect.height)); + AccumulateCategorical(LABELS_AVIF_ISPE::bitstream_mismatch); + return AsVariant(NonDecoderResult::MetadataImageSizeMismatch); + } + + MOZ_LOG( + sAVIFLog, LogLevel::Error, + ("[this=%p] Frame size has changed in the bitstream: " + "(%d x %d) != (%d x %d)", + this, expectedSize.width, expectedSize.height, + decodedData->mPictureRect.width, decodedData->mPictureRect.height)); + return AsVariant(NonDecoderResult::FrameSizeChanged); + } + + if (isFirstFrame) { + AccumulateCategorical(LABELS_AVIF_ISPE::valid); + } + } + + if (IsMetadataDecode()) { + return AsVariant(NonDecoderResult::Complete); + } + + IntSize rgbSize = decodedData->mPictureRect.Size(); + + if (parsedImage.mFrameNum == 0) { + RecordFrameTelem(mIsAnimated, parsedInfo, *decodedData); + } + + if (decodedData->mRenderSize && + decodedData->mRenderSize->ToUnknownSize() != rgbSize) { + // This may be supported by allowing all metadata decodes to decode a frame + // and get the render size from the bitstream. However it's unlikely to be + // used often. + return AsVariant(NonDecoderResult::RenderSizeMismatch); + } + + // Read color profile + if (mCMSMode != CMSMode::Off) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] Processing color profile", this)); + + // See comment on AVIFDecodedData + if (parsedInfo.icc_colour_information.data) { + // same profile for every frame of image, only create it once + if (!mInProfile) { + const auto& icc = parsedInfo.icc_colour_information; + mInProfile = qcms_profile_from_memory(icc.data, icc.length); + } + } else { + // potentially different profile every frame, destroy the old one + if (mInProfile) { + if (mTransform) { + qcms_transform_release(mTransform); + mTransform = nullptr; + } + qcms_profile_release(mInProfile); + mInProfile = nullptr; + } + + const auto& cp = decodedData->mColourPrimaries; + const auto& tc = decodedData->mTransferCharacteristics; + + if (CICP::IsReserved(cp)) { + MOZ_LOG(sAVIFLog, LogLevel::Error, + ("[this=%p] colour_primaries reserved value (%hhu) is invalid; " + "failing", + this, cp)); + return AsVariant(NonDecoderResult::InvalidCICP); + } + + if (CICP::IsReserved(tc)) { + MOZ_LOG(sAVIFLog, LogLevel::Error, + ("[this=%p] transfer_characteristics reserved value (%hhu) is " + "invalid; failing", + this, tc)); + return AsVariant(NonDecoderResult::InvalidCICP); + } + + MOZ_ASSERT(cp != CICP::ColourPrimaries::CP_UNSPECIFIED && + !CICP::IsReserved(cp)); + MOZ_ASSERT(tc != CICP::TransferCharacteristics::TC_UNSPECIFIED && + !CICP::IsReserved(tc)); + + mInProfile = qcms_profile_create_cicp(cp, tc); + } + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] mInProfile %p", this, mInProfile)); + } else { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] CMSMode::Off, skipping color profile", this)); + } + + if (mInProfile && GetCMSOutputProfile() && !mTransform) { + auto intent = static_cast<qcms_intent>(gfxPlatform::GetRenderingIntent()); + qcms_data_type inType; + qcms_data_type outType; + + // If we're not mandating an intent, use the one from the image. + if (gfxPlatform::GetRenderingIntent() == -1) { + intent = qcms_profile_get_rendering_intent(mInProfile); + } + + uint32_t profileSpace = qcms_profile_get_color_space(mInProfile); + if (profileSpace != icSigGrayData) { + // If the transform happens with SurfacePipe, it will be in RGBA if we + // have an alpha channel, because the swizzle and premultiplication + // happens after color management. Otherwise it will be in BGRA because + // the swizzle happens at the start. + if (mHasAlpha) { + inType = QCMS_DATA_RGBA_8; + outType = QCMS_DATA_RGBA_8; + } else { + inType = gfxPlatform::GetCMSOSRGBAType(); + outType = inType; + } + } else { + if (mHasAlpha) { + inType = QCMS_DATA_GRAYA_8; + outType = gfxPlatform::GetCMSOSRGBAType(); + } else { + inType = QCMS_DATA_GRAY_8; + outType = gfxPlatform::GetCMSOSRGBAType(); + } + } + + mTransform = qcms_transform_create(mInProfile, inType, + GetCMSOutputProfile(), outType, intent); + } + + // Get suggested format and size. Note that GetYCbCrToRGBDestFormatAndSize + // force format to be B8G8R8X8 if it's not. + gfx::SurfaceFormat format = SurfaceFormat::OS_RGBX; + gfx::GetYCbCrToRGBDestFormatAndSize(*decodedData, format, rgbSize); + if (mHasAlpha) { + // We would use libyuv to do the YCbCrA -> ARGB convertion, which only + // works for B8G8R8A8. + format = SurfaceFormat::B8G8R8A8; + } + + const int bytesPerPixel = BytesPerPixel(format); + + const CheckedInt rgbStride = CheckedInt<int>(rgbSize.width) * bytesPerPixel; + const CheckedInt rgbBufLength = rgbStride * rgbSize.height; + + if (!rgbStride.isValid() || !rgbBufLength.isValid()) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] overflow calculating rgbBufLength: rbgSize.width: %d, " + "rgbSize.height: %d, " + "bytesPerPixel: %u", + this, rgbSize.width, rgbSize.height, bytesPerPixel)); + return AsVariant(NonDecoderResult::SizeOverflow); + } + + UniquePtr<uint8_t[]> rgbBuf = + MakeUniqueFallible<uint8_t[]>(rgbBufLength.value()); + if (!rgbBuf) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] allocation of %u-byte rgbBuf failed", this, + rgbBufLength.value())); + return AsVariant(NonDecoderResult::OutOfMemory); + } + + if (decodedData->mAlpha) { + const auto wantPremultiply = + !bool(GetSurfaceFlags() & SurfaceFlags::NO_PREMULTIPLY_ALPHA); + const bool& hasPremultiply = decodedData->mAlpha->mPremultiplied; + + PremultFunc premultOp = nullptr; + if (wantPremultiply && !hasPremultiply) { + premultOp = libyuv::ARGBAttenuate; + } else if (!wantPremultiply && hasPremultiply) { + premultOp = libyuv::ARGBUnattenuate; + } + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] calling gfx::ConvertYCbCrAToARGB premultOp: %p", this, + premultOp)); + gfx::ConvertYCbCrAToARGB(*decodedData, *decodedData->mAlpha, format, + rgbSize, rgbBuf.get(), rgbStride.value(), + premultOp); + } else { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] calling gfx::ConvertYCbCrToRGB", this)); + gfx::ConvertYCbCrToRGB(*decodedData, format, rgbSize, rgbBuf.get(), + rgbStride.value()); + } + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] calling SurfacePipeFactory::CreateSurfacePipe", this)); + + Maybe<SurfacePipe> pipe = Nothing(); + + if (mIsAnimated) { + SurfaceFormat outFormat = + decodedData->mAlpha ? SurfaceFormat::OS_RGBA : SurfaceFormat::OS_RGBX; + Maybe<AnimationParams> animParams; + if (!IsFirstFrameDecode()) { + animParams.emplace(FullFrame().ToUnknownRect(), parsedImage.mDuration, + parsedImage.mFrameNum, BlendMethod::SOURCE, + DisposalMethod::CLEAR_ALL); + } + pipe = SurfacePipeFactory::CreateSurfacePipe( + this, Size(), OutputSize(), FullFrame(), format, outFormat, animParams, + mTransform, SurfacePipeFlags()); + } else { + pipe = SurfacePipeFactory::CreateReorientSurfacePipe( + this, Size(), OutputSize(), format, mTransform, GetOrientation()); + } + + if (pipe.isNothing()) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] could not initialize surface pipe", this)); + return AsVariant(NonDecoderResult::PipeInitError); + } + + MOZ_LOG(sAVIFLog, LogLevel::Debug, ("[this=%p] writing to surface", this)); + const uint8_t* endOfRgbBuf = {rgbBuf.get() + rgbBufLength.value()}; + WriteState writeBufferResult = WriteState::NEED_MORE_DATA; + for (uint8_t* rowPtr = rgbBuf.get(); rowPtr < endOfRgbBuf; + rowPtr += rgbStride.value()) { + writeBufferResult = pipe->WriteBuffer(reinterpret_cast<uint32_t*>(rowPtr)); + + Maybe<SurfaceInvalidRect> invalidRect = pipe->TakeInvalidRect(); + if (invalidRect) { + PostInvalidation(invalidRect->mInputSpaceRect, + Some(invalidRect->mOutputSpaceRect)); + } + + if (writeBufferResult == WriteState::FAILURE) { + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] error writing rowPtr to surface pipe", this)); + + } else if (writeBufferResult == WriteState::FINISHED) { + MOZ_ASSERT(rowPtr + rgbStride.value() == endOfRgbBuf); + } + } + + MOZ_LOG(sAVIFLog, LogLevel::Debug, + ("[this=%p] writing to surface complete", this)); + + if (writeBufferResult == WriteState::FINISHED) { + PostFrameStop(mHasAlpha ? Opacity::SOME_TRANSPARENCY + : Opacity::FULLY_OPAQUE); + + if (!mIsAnimated || IsFirstFrameDecode()) { + PostDecodeDone(0); + return DecodeResult(NonDecoderResult::Complete); + } + + if (isDone) { + switch (mParser->GetInfo().loop_mode) { + case MP4PARSE_AVIF_LOOP_MODE_LOOP_BY_COUNT: { + auto loopCount = mParser->GetInfo().loop_count; + PostDecodeDone( + loopCount > INT32_MAX ? -1 : static_cast<int32_t>(loopCount)); + break; + } + case MP4PARSE_AVIF_LOOP_MODE_LOOP_INFINITELY: + case MP4PARSE_AVIF_LOOP_MODE_NO_EDITS: + default: + PostDecodeDone(-1); + break; + } + return DecodeResult(NonDecoderResult::Complete); + } + + return DecodeResult(NonDecoderResult::OutputAvailable); + } + + return AsVariant(NonDecoderResult::WriteBufferError); +} + +/* static */ +bool nsAVIFDecoder::IsDecodeSuccess(const DecodeResult& aResult) { + return aResult == DecodeResult(NonDecoderResult::OutputAvailable) || + aResult == DecodeResult(NonDecoderResult::Complete) || + aResult == DecodeResult(Dav1dResult(0)) || + aResult == DecodeResult(AOMResult(AOM_CODEC_OK)); +} + +void nsAVIFDecoder::RecordDecodeResultTelemetry( + const nsAVIFDecoder::DecodeResult& aResult) { + if (aResult.is<Mp4parseStatus>()) { + switch (aResult.as<Mp4parseStatus>()) { + case MP4PARSE_STATUS_OK: + MOZ_ASSERT_UNREACHABLE( + "Expect NonDecoderResult, Dav1dResult or AOMResult"); + return; + case MP4PARSE_STATUS_BAD_ARG: + case MP4PARSE_STATUS_INVALID: + case MP4PARSE_STATUS_UNSUPPORTED: + case MP4PARSE_STATUS_EOF: + case MP4PARSE_STATUS_IO: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::parse_error); + return; + case MP4PARSE_STATUS_OOM: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::out_of_memory); + return; + case MP4PARSE_STATUS_MISSING_AVIF_OR_AVIS_BRAND: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::missing_brand); + return; + case MP4PARSE_STATUS_FTYP_NOT_FIRST: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::ftyp_not_first); + return; + case MP4PARSE_STATUS_NO_IMAGE: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::no_image); + return; + case MP4PARSE_STATUS_MOOV_BAD_QUANTITY: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::multiple_moov); + return; + case MP4PARSE_STATUS_MOOV_MISSING: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::no_moov); + return; + case MP4PARSE_STATUS_LSEL_NO_ESSENTIAL: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::lsel_no_essential); + return; + case MP4PARSE_STATUS_A1OP_NO_ESSENTIAL: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::a1op_no_essential); + return; + case MP4PARSE_STATUS_A1LX_ESSENTIAL: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::a1lx_essential); + return; + case MP4PARSE_STATUS_TXFORM_NO_ESSENTIAL: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::txform_no_essential); + return; + case MP4PARSE_STATUS_PITM_MISSING: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::no_primary_item); + return; + case MP4PARSE_STATUS_IMAGE_ITEM_TYPE: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::image_item_type); + return; + case MP4PARSE_STATUS_ITEM_TYPE_MISSING: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::item_type_missing); + return; + case MP4PARSE_STATUS_CONSTRUCTION_METHOD: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::construction_method); + return; + case MP4PARSE_STATUS_PITM_NOT_FOUND: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::item_loc_not_found); + return; + case MP4PARSE_STATUS_IDAT_MISSING: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::no_item_data_box); + return; + default: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::uncategorized); + return; + } + + MOZ_LOG(sAVIFLog, LogLevel::Error, + ("[this=%p] unexpected Mp4parseStatus value: %d", this, + aResult.as<Mp4parseStatus>())); + MOZ_ASSERT(false, "unexpected Mp4parseStatus value"); + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::invalid_parse_status); + + } else if (aResult.is<NonDecoderResult>()) { + switch (aResult.as<NonDecoderResult>()) { + case NonDecoderResult::NeedMoreData: + return; + case NonDecoderResult::OutputAvailable: + return; + case NonDecoderResult::Complete: + return; + case NonDecoderResult::SizeOverflow: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::size_overflow); + return; + case NonDecoderResult::OutOfMemory: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::out_of_memory); + return; + case NonDecoderResult::PipeInitError: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::pipe_init_error); + return; + case NonDecoderResult::WriteBufferError: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::write_buffer_error); + return; + case NonDecoderResult::AlphaYSizeMismatch: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::alpha_y_sz_mismatch); + return; + case NonDecoderResult::AlphaYColorDepthMismatch: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::alpha_y_bpc_mismatch); + return; + case NonDecoderResult::MetadataImageSizeMismatch: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::ispe_mismatch); + return; + case NonDecoderResult::RenderSizeMismatch: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::render_size_mismatch); + return; + case NonDecoderResult::FrameSizeChanged: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::frame_size_changed); + return; + case NonDecoderResult::InvalidCICP: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::invalid_cicp); + return; + case NonDecoderResult::NoSamples: + AccumulateCategorical(LABELS_AVIF_DECODE_RESULT::no_samples); + return; + } + MOZ_ASSERT_UNREACHABLE("unknown NonDecoderResult"); + } else { + MOZ_ASSERT(aResult.is<Dav1dResult>() || aResult.is<AOMResult>()); + AccumulateCategorical(aResult.is<Dav1dResult>() ? LABELS_AVIF_DECODER::dav1d + : LABELS_AVIF_DECODER::aom); + AccumulateCategorical(IsDecodeSuccess(aResult) + ? LABELS_AVIF_DECODE_RESULT::success + : LABELS_AVIF_DECODE_RESULT::decode_error); + } +} + +Maybe<Telemetry::HistogramID> nsAVIFDecoder::SpeedHistogram() const { + return Some(Telemetry::IMAGE_DECODE_SPEED_AVIF); +} + +} // namespace image +} // namespace mozilla |