зеркало из https://github.com/mozilla/gecko-dev.git
508 строки
17 KiB
C++
508 строки
17 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ImageLogging.h" // Must appear first
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#include "nsAVIFDecoder.h"
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#include "aom/aomdx.h"
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#include "mozilla/gfx/Types.h"
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#include "YCbCrUtils.h"
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#include "SurfacePipeFactory.h"
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using namespace mozilla::gfx;
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namespace mozilla {
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namespace image {
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static LazyLogModule sAVIFLog("AVIFDecoder");
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// Wrapper to allow rust to call our read adaptor.
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intptr_t nsAVIFDecoder::ReadSource(uint8_t* aDestBuf, uintptr_t aDestBufSize,
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void* aUserData) {
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MOZ_ASSERT(aDestBuf);
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MOZ_ASSERT(aUserData);
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MOZ_LOG(sAVIFLog, LogLevel::Verbose,
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("AVIF ReadSource, aDestBufSize: %zu", aDestBufSize));
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auto* decoder = reinterpret_cast<nsAVIFDecoder*>(aUserData);
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MOZ_ASSERT(decoder->mReadCursor);
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size_t bufferLength = decoder->mBufferedData.end() - decoder->mReadCursor;
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size_t n_bytes = std::min(aDestBufSize, bufferLength);
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MOZ_LOG(
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sAVIFLog, LogLevel::Verbose,
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("AVIF ReadSource, %zu bytes ready, copying %zu", bufferLength, n_bytes));
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memcpy(aDestBuf, decoder->mReadCursor, n_bytes);
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decoder->mReadCursor += n_bytes;
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return n_bytes;
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}
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nsAVIFDecoder::nsAVIFDecoder(RasterImage* aImage)
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: Decoder(aImage), mParser(nullptr) {
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] nsAVIFDecoder::nsAVIFDecoder", this));
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}
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nsAVIFDecoder::~nsAVIFDecoder() {
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] nsAVIFDecoder::~nsAVIFDecoder", this));
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if (mParser) {
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] freeing parser due to nsAVIFDecoder destructor", this));
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mp4parse_avif_free(mParser);
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mParser = nullptr;
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}
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if (mDav1dPicture) {
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// TODO: Make this more ergonomic, see bug 1639637
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dav1d_picture_unref(mDav1dPicture.ptr());
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mDav1dPicture.reset();
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}
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if (mCodecContext) {
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if (mCodecContext->is<Dav1dContext*>()) {
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dav1d_close(&mCodecContext->as<Dav1dContext*>());
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MOZ_LOG(sAVIFLog, LogLevel::Debug, ("[this=%p] dav1d_close", this));
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} else {
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MOZ_ASSERT(mCodecContext->is<aom_codec_ctx_t>());
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aom_codec_err_t res =
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aom_codec_destroy(&mCodecContext->as<aom_codec_ctx_t>());
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] aom_codec_destroy -> %d", this, res));
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}
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} else {
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] no codec context to destruct", this));
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}
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}
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void nsAVIFDecoder::FreeDav1dData(const uint8_t* buf, void* cookie) {
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auto* decoder = static_cast<nsAVIFDecoder*>(cookie);
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if (decoder->mParser) {
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] freeing parser %p due to dav1d_data_wrap callback",
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decoder, decoder->mParser));
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mp4parse_avif_free(decoder->mParser);
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decoder->mParser = nullptr;
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}
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}
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bool nsAVIFDecoder::DecodeWithDav1d(const Mp4parseByteData& aPrimaryItem,
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layers::PlanarYCbCrData& aDecodedData) {
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Dav1dSettings settings;
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dav1d_default_settings(&settings);
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// TODO: tune settings a la DAV1DDecoder for AV1
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Dav1dContext* ctx = nullptr;
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int res = dav1d_open(&ctx, &settings);
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if (res == 0) {
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mCodecContext = Some(AsVariant(ctx));
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} else {
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return false;
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}
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Dav1dData dav1dData;
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res = dav1d_data_wrap(&dav1dData, aPrimaryItem.data, aPrimaryItem.length,
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nsAVIFDecoder::FreeDav1dData, this);
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if (res != 0) {
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MOZ_LOG(sAVIFLog, LogLevel::Error,
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("[this=%p] dav1d_data_wrap(%p, %zu) -> %d", this, dav1dData.data,
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dav1dData.sz, res));
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return false;
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}
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res = dav1d_send_data(ctx, &dav1dData);
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if (res != 0) {
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MOZ_LOG(sAVIFLog, LogLevel::Error,
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("[this=%p] dav1d_send_data -> %d", this, res));
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return false;
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}
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MOZ_ASSERT(!mDav1dPicture.isSome());
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mDav1dPicture.emplace();
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res = dav1d_get_picture(ctx, mDav1dPicture.ptr());
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if (res != 0) {
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MOZ_LOG(sAVIFLog, LogLevel::Error,
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("[this=%p] dav1d_get_picture -> %d", this, res));
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return false;
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}
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static_assert(std::is_same<int, decltype(mDav1dPicture->p.w)>::value);
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static_assert(std::is_same<int, decltype(mDav1dPicture->p.h)>::value);
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aDecodedData.mYChannel = static_cast<uint8_t*>(mDav1dPicture->data[0]);
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aDecodedData.mYStride = mDav1dPicture->stride[0];
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aDecodedData.mYSize = gfx::IntSize(mDav1dPicture->p.w, mDav1dPicture->p.h);
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aDecodedData.mYSkip = mDav1dPicture->stride[0] - mDav1dPicture->p.w;
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aDecodedData.mCbChannel = static_cast<uint8_t*>(mDav1dPicture->data[1]);
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aDecodedData.mCrChannel = static_cast<uint8_t*>(mDav1dPicture->data[2]);
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aDecodedData.mCbCrStride = mDav1dPicture->stride[1];
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switch (mDav1dPicture->p.layout) {
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case DAV1D_PIXEL_LAYOUT_I400: // Monochrome, so no Cb or Cr channels
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aDecodedData.mCbCrSize = gfx::IntSize(0, 0);
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break;
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case DAV1D_PIXEL_LAYOUT_I420:
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aDecodedData.mCbCrSize = gfx::IntSize((mDav1dPicture->p.w + 1) / 2,
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(mDav1dPicture->p.h + 1) / 2);
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break;
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case DAV1D_PIXEL_LAYOUT_I422:
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aDecodedData.mCbCrSize =
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gfx::IntSize((mDav1dPicture->p.w + 1) / 2, mDav1dPicture->p.h);
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break;
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case DAV1D_PIXEL_LAYOUT_I444:
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aDecodedData.mCbCrSize =
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gfx::IntSize(mDav1dPicture->p.w, mDav1dPicture->p.h);
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break;
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default:
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MOZ_ASSERT_UNREACHABLE("Unknown pixel layout");
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}
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aDecodedData.mCbSkip = mDav1dPicture->stride[1] - mDav1dPicture->p.w;
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aDecodedData.mCrSkip = mDav1dPicture->stride[1] - mDav1dPicture->p.w;
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aDecodedData.mPicX = 0;
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aDecodedData.mPicY = 0;
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aDecodedData.mPicSize = aDecodedData.mYSize;
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aDecodedData.mStereoMode = StereoMode::MONO;
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aDecodedData.mColorDepth = ColorDepthForBitDepth(mDav1dPicture->p.bpc);
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switch (mDav1dPicture->seq_hdr->pri) {
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case DAV1D_COLOR_PRI_BT601:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::BT601;
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break;
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case DAV1D_COLOR_PRI_BT709:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::BT709;
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break;
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case DAV1D_COLOR_PRI_BT2020:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::BT2020;
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break;
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case DAV1D_COLOR_PRI_UNKNOWN:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::UNKNOWN;
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break;
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default:
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] unsupported color primaries value: %u", this,
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mDav1dPicture->seq_hdr->pri));
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::UNKNOWN;
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}
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aDecodedData.mColorRange = mDav1dPicture->seq_hdr->color_range
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? gfx::ColorRange::FULL
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: gfx::ColorRange::LIMITED;
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return true;
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}
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bool nsAVIFDecoder::DecodeWithAOM(const Mp4parseByteData& aPrimaryItem,
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layers::PlanarYCbCrData& aDecodedData) {
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aom_codec_iface_t* iface = aom_codec_av1_dx();
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aom_codec_ctx_t ctx;
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aom_codec_err_t res =
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aom_codec_dec_init(&ctx, iface, /* cfg = */ nullptr, /* flags = */ 0);
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MOZ_LOG(
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sAVIFLog, LogLevel::Error,
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("[this=%p] aom_codec_dec_init -> %d, name = %s", this, res, ctx.name));
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if (res == AOM_CODEC_OK) {
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mCodecContext = Some(AsVariant(ctx));
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} else {
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return false;
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}
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res = aom_codec_decode(&mCodecContext->as<aom_codec_ctx_t>(),
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aPrimaryItem.data, aPrimaryItem.length, nullptr);
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if (res != AOM_CODEC_OK) {
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MOZ_LOG(sAVIFLog, LogLevel::Error,
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("[this=%p] aom_codec_decode -> %d", this, res));
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return false;
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}
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] aom_codec_decode -> %d", this, res));
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aom_codec_iter_t iter = nullptr;
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const aom_image_t* img =
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aom_codec_get_frame(&mCodecContext->as<aom_codec_ctx_t>(), &iter);
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if (img == nullptr) {
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MOZ_LOG(sAVIFLog, LogLevel::Error,
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("[this=%p] aom_codec_get_frame -> %p", this, img));
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return false;
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}
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const CheckedInt<int> decoded_width = img->d_w;
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const CheckedInt<int> decoded_height = img->d_h;
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if (!decoded_height.isValid() || !decoded_width.isValid()) {
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MOZ_LOG(
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sAVIFLog, LogLevel::Debug,
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("[this=%p] image dimensions can't be stored in int: d_w: %u, d_h: %u",
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this, img->d_w, img->d_h));
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return false;
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}
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PostSize(decoded_width.value(), decoded_height.value());
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MOZ_ASSERT(img->stride[AOM_PLANE_Y] == img->stride[AOM_PLANE_ALPHA]);
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MOZ_ASSERT(img->stride[AOM_PLANE_Y] >= aom_img_plane_width(img, AOM_PLANE_Y));
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MOZ_ASSERT(img->stride[AOM_PLANE_U] == img->stride[AOM_PLANE_V]);
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MOZ_ASSERT(img->stride[AOM_PLANE_U] >= aom_img_plane_width(img, AOM_PLANE_U));
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MOZ_ASSERT(img->stride[AOM_PLANE_V] >= aom_img_plane_width(img, AOM_PLANE_V));
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MOZ_ASSERT(aom_img_plane_width(img, AOM_PLANE_U) ==
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aom_img_plane_width(img, AOM_PLANE_V));
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MOZ_ASSERT(aom_img_plane_height(img, AOM_PLANE_U) ==
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aom_img_plane_height(img, AOM_PLANE_V));
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aDecodedData.mYChannel = img->planes[AOM_PLANE_Y];
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aDecodedData.mYStride = img->stride[AOM_PLANE_Y];
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aDecodedData.mYSize = gfx::IntSize(aom_img_plane_width(img, AOM_PLANE_Y),
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aom_img_plane_height(img, AOM_PLANE_Y));
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aDecodedData.mYSkip =
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img->stride[AOM_PLANE_Y] - aom_img_plane_width(img, AOM_PLANE_Y);
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aDecodedData.mCbChannel = img->planes[AOM_PLANE_U];
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aDecodedData.mCrChannel = img->planes[AOM_PLANE_V];
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aDecodedData.mCbCrStride = img->stride[AOM_PLANE_U];
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aDecodedData.mCbCrSize = gfx::IntSize(aom_img_plane_width(img, AOM_PLANE_U),
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aom_img_plane_height(img, AOM_PLANE_U));
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aDecodedData.mCbSkip =
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img->stride[AOM_PLANE_U] - aom_img_plane_width(img, AOM_PLANE_U);
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aDecodedData.mCrSkip =
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img->stride[AOM_PLANE_V] - aom_img_plane_width(img, AOM_PLANE_V);
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aDecodedData.mPicX = 0;
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aDecodedData.mPicY = 0;
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aDecodedData.mPicSize =
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gfx::IntSize(decoded_width.value(), decoded_height.value());
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aDecodedData.mStereoMode = StereoMode::MONO;
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aDecodedData.mColorDepth = ColorDepthForBitDepth(img->bit_depth);
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switch (img->cp) {
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case AOM_CICP_CP_BT_601:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::BT601;
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break;
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case AOM_CICP_CP_BT_709:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::BT709;
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break;
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case AOM_CICP_CP_BT_2020:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::BT2020;
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break;
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case AOM_CICP_CP_UNSPECIFIED:
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::UNKNOWN;
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break;
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default:
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] unsupported aom_color_primaries value: %u", this,
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img->cp));
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aDecodedData.mYUVColorSpace = gfx::YUVColorSpace::UNKNOWN;
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}
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switch (img->range) {
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case AOM_CR_STUDIO_RANGE:
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aDecodedData.mColorRange = gfx::ColorRange::LIMITED;
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break;
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case AOM_CR_FULL_RANGE:
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aDecodedData.mColorRange = gfx::ColorRange::FULL;
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break;
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default:
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MOZ_ASSERT_UNREACHABLE("unknown color range");
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}
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return true;
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}
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LexerResult nsAVIFDecoder::DoDecode(SourceBufferIterator& aIterator,
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IResumable* aOnResume) {
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] nsAVIFDecoder::DoDecode", this));
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// Since the SourceBufferIterator doesn't guarantee a contiguous buffer,
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// but the current mp4parse-rust implementation requires it, always buffer
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// locally. This keeps the code simpler at the cost of some performance, but
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// this implementation is only experimental, so we don't want to spend time
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// optimizing it prematurely.
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while (!mReadCursor) {
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SourceBufferIterator::State state =
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aIterator.AdvanceOrScheduleResume(SIZE_MAX, aOnResume);
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] After advance, iterator state is %d", this, state));
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switch (state) {
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case SourceBufferIterator::WAITING:
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return LexerResult(Yield::NEED_MORE_DATA);
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case SourceBufferIterator::COMPLETE:
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mReadCursor = mBufferedData.begin();
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break;
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case SourceBufferIterator::READY: { // copy new data to buffer
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] SourceBufferIterator ready, %zu bytes available",
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this, aIterator.Length()));
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bool appendSuccess =
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mBufferedData.append(aIterator.Data(), aIterator.Length());
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if (!appendSuccess) {
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MOZ_LOG(sAVIFLog, LogLevel::Error,
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("[this=%p] Failed to append %zu bytes to buffer", this,
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aIterator.Length()));
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}
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break;
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}
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default:
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MOZ_ASSERT_UNREACHABLE("unexpected SourceBufferIterator state");
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}
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}
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Mp4parseIo io = {nsAVIFDecoder::ReadSource, this};
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if (!mParser) {
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Mp4parseStatus status = mp4parse_avif_new(&io, &mParser);
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] mp4parse_avif_new status: %d", this, status));
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}
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if (!mParser) {
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return LexerResult(TerminalState::FAILURE);
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}
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Mp4parseByteData primaryItem = {};
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Mp4parseStatus status = mp4parse_avif_get_primary_item(mParser, &primaryItem);
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] mp4parse_avif_get_primary_item -> %d; length: %u", this,
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status, primaryItem.length));
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if (status != MP4PARSE_STATUS_OK) {
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return LexerResult(TerminalState::FAILURE);
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}
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layers::PlanarYCbCrData decodedData;
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bool decodeOK = StaticPrefs::image_avif_use_dav1d()
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? DecodeWithDav1d(primaryItem, decodedData)
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: DecodeWithAOM(primaryItem, decodedData);
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MOZ_LOG(sAVIFLog, LogLevel::Debug,
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("[this=%p] DecodeWith%s() -> %s", this,
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StaticPrefs::image_avif_use_dav1d() ? "Dav1d" : "AOM",
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decodeOK ? "OK" : "Fail"));
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if (!decodeOK) {
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return LexerResult(TerminalState::FAILURE);
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}
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PostSize(decodedData.mPicSize.width, decodedData.mPicSize.height);
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// TODO: This doesn't account for the alpha plane in a separate frame
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const bool hasAlpha = false;
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if (hasAlpha) {
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PostHasTransparency();
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}
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if (IsMetadataDecode()) {
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return LexerResult(TerminalState::SUCCESS);
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}
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gfx::SurfaceFormat format =
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hasAlpha ? SurfaceFormat::OS_RGBA : SurfaceFormat::OS_RGBX;
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const IntSize intrinsicSize = Size();
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IntSize rgbSize = intrinsicSize;
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gfx::GetYCbCrToRGBDestFormatAndSize(decodedData, format, rgbSize);
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const int bytesPerPixel = BytesPerPixel(format);
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const CheckedInt rgbStride = CheckedInt<int>(rgbSize.width) * bytesPerPixel;
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const CheckedInt rgbBufLength = rgbStride * rgbSize.height;
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if (!rgbStride.isValid() || !rgbBufLength.isValid()) {
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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 LexerResult(TerminalState::FAILURE);
|
|
}
|
|
|
|
UniquePtr<uint8_t[]> rgbBuf = MakeUnique<uint8_t[]>(rgbBufLength.value());
|
|
const uint8_t* endOfRgbBuf = {rgbBuf.get() + rgbBufLength.value()};
|
|
|
|
if (!rgbBuf) {
|
|
MOZ_LOG(sAVIFLog, LogLevel::Debug,
|
|
("[this=%p] allocation of %u-byte rgbBuf failed", this,
|
|
rgbBufLength.value()));
|
|
return LexerResult(TerminalState::FAILURE);
|
|
}
|
|
|
|
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 = SurfacePipeFactory::CreateSurfacePipe(
|
|
this, rgbSize, OutputSize(), FullFrame(), format, format, Nothing(),
|
|
nullptr, SurfacePipeFlags());
|
|
|
|
if (!pipe) {
|
|
MOZ_LOG(sAVIFLog, LogLevel::Debug,
|
|
("[this=%p] could not initialize surface pipe", this));
|
|
return LexerResult(TerminalState::FAILURE);
|
|
}
|
|
|
|
MOZ_LOG(sAVIFLog, LogLevel::Debug, ("[this=%p] writing to surface", this));
|
|
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(hasAlpha ? Opacity::SOME_TRANSPARENCY
|
|
: Opacity::FULLY_OPAQUE);
|
|
PostDecodeDone();
|
|
return LexerResult(TerminalState::SUCCESS);
|
|
}
|
|
|
|
return LexerResult(TerminalState::FAILURE);
|
|
}
|
|
|
|
} // namespace image
|
|
} // namespace mozilla
|