mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 13:21:05 +00:00
427 lines
13 KiB
C++
427 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "DecoderFactory.h"
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#include "nsMimeTypes.h"
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#include "mozilla/RefPtr.h"
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#include "AnimationSurfaceProvider.h"
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#include "Decoder.h"
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#include "DecodedSurfaceProvider.h"
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#include "IDecodingTask.h"
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#include "ImageOps.h"
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#include "nsPNGDecoder.h"
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#include "nsGIFDecoder2.h"
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#include "nsJPEGDecoder.h"
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#include "nsBMPDecoder.h"
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#include "nsICODecoder.h"
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#include "nsIconDecoder.h"
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#include "nsWebPDecoder.h"
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#ifdef MOZ_AV1
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# include "nsAVIFDecoder.h"
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#endif
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#ifdef MOZ_JXL
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# include "nsJXLDecoder.h"
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#endif
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namespace mozilla {
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using namespace gfx;
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namespace image {
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/* static */
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DecoderType DecoderFactory::GetDecoderType(const char* aMimeType) {
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// By default we don't know.
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DecoderType type = DecoderType::UNKNOWN;
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// PNG
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if (!strcmp(aMimeType, IMAGE_PNG)) {
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type = DecoderType::PNG;
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} else if (!strcmp(aMimeType, IMAGE_X_PNG)) {
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type = DecoderType::PNG;
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} else if (!strcmp(aMimeType, IMAGE_APNG)) {
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type = DecoderType::PNG;
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// GIF
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} else if (!strcmp(aMimeType, IMAGE_GIF)) {
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type = DecoderType::GIF;
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// JPEG
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} else if (!strcmp(aMimeType, IMAGE_JPEG)) {
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type = DecoderType::JPEG;
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} else if (!strcmp(aMimeType, IMAGE_PJPEG)) {
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type = DecoderType::JPEG;
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} else if (!strcmp(aMimeType, IMAGE_JPG)) {
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type = DecoderType::JPEG;
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// BMP
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} else if (!strcmp(aMimeType, IMAGE_BMP)) {
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type = DecoderType::BMP;
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} else if (!strcmp(aMimeType, IMAGE_BMP_MS)) {
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type = DecoderType::BMP;
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// BMP_CLIPBOARD
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} else if (!strcmp(aMimeType, IMAGE_BMP_MS_CLIPBOARD)) {
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type = DecoderType::BMP_CLIPBOARD;
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// ICO
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} else if (!strcmp(aMimeType, IMAGE_ICO)) {
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type = DecoderType::ICO;
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} else if (!strcmp(aMimeType, IMAGE_ICO_MS)) {
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type = DecoderType::ICO;
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// Icon
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} else if (!strcmp(aMimeType, IMAGE_ICON_MS)) {
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type = DecoderType::ICON;
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// WebP
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} else if (!strcmp(aMimeType, IMAGE_WEBP) &&
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StaticPrefs::image_webp_enabled()) {
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type = DecoderType::WEBP;
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// AVIF
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}
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#ifdef MOZ_AV1
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else if (!strcmp(aMimeType, IMAGE_AVIF) &&
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StaticPrefs::image_avif_enabled()) {
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type = DecoderType::AVIF;
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}
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#endif
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#ifdef MOZ_JXL
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else if (!strcmp(aMimeType, IMAGE_JXL) && StaticPrefs::image_jxl_enabled()) {
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type = DecoderType::JXL;
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}
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#endif
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return type;
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}
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/* static */
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already_AddRefed<Decoder> DecoderFactory::GetDecoder(DecoderType aType,
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RasterImage* aImage,
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bool aIsRedecode) {
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RefPtr<Decoder> decoder;
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switch (aType) {
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case DecoderType::PNG:
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decoder = new nsPNGDecoder(aImage);
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break;
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case DecoderType::GIF:
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decoder = new nsGIFDecoder2(aImage);
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break;
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case DecoderType::JPEG:
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// If we have all the data we don't want to waste cpu time doing
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// a progressive decode.
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decoder = new nsJPEGDecoder(
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aImage, aIsRedecode ? Decoder::SEQUENTIAL : Decoder::PROGRESSIVE);
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break;
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case DecoderType::BMP:
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decoder = new nsBMPDecoder(aImage);
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break;
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case DecoderType::BMP_CLIPBOARD:
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decoder = new nsBMPDecoder(aImage, /* aForClipboard */ true);
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break;
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case DecoderType::ICO:
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decoder = new nsICODecoder(aImage);
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break;
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case DecoderType::ICON:
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decoder = new nsIconDecoder(aImage);
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break;
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case DecoderType::WEBP:
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decoder = new nsWebPDecoder(aImage);
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break;
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#ifdef MOZ_AV1
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case DecoderType::AVIF:
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decoder = new nsAVIFDecoder(aImage);
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break;
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#endif
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#ifdef MOZ_JXL
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case DecoderType::JXL:
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decoder = new nsJXLDecoder(aImage);
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break;
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#endif
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default:
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MOZ_ASSERT_UNREACHABLE("Unknown decoder type");
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}
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return decoder.forget();
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}
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/* static */
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nsresult DecoderFactory::CreateDecoder(
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DecoderType aType, NotNull<RasterImage*> aImage,
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NotNull<SourceBuffer*> aSourceBuffer, const IntSize& aIntrinsicSize,
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const IntSize& aOutputSize, DecoderFlags aDecoderFlags,
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SurfaceFlags aSurfaceFlags, IDecodingTask** aOutTask) {
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if (aType == DecoderType::UNKNOWN) {
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return NS_ERROR_INVALID_ARG;
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}
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// Create an anonymous decoder. Interaction with the SurfaceCache and the
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// owning RasterImage will be mediated by DecodedSurfaceProvider.
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RefPtr<Decoder> decoder = GetDecoder(
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aType, nullptr, bool(aDecoderFlags & DecoderFlags::IS_REDECODE));
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MOZ_ASSERT(decoder, "Should have a decoder now");
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// Initialize the decoder.
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decoder->SetMetadataDecode(false);
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decoder->SetIterator(aSourceBuffer->Iterator());
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decoder->SetOutputSize(aOutputSize);
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decoder->SetDecoderFlags(aDecoderFlags | DecoderFlags::FIRST_FRAME_ONLY);
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decoder->SetSurfaceFlags(aSurfaceFlags);
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nsresult rv = decoder->Init();
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if (NS_FAILED(rv)) {
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return NS_ERROR_FAILURE;
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}
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// Create a DecodedSurfaceProvider which will manage the decoding process and
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// make this decoder's output available in the surface cache.
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SurfaceKey surfaceKey =
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RasterSurfaceKey(aOutputSize, aSurfaceFlags, PlaybackType::eStatic);
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auto provider = MakeNotNull<RefPtr<DecodedSurfaceProvider>>(
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aImage, surfaceKey, WrapNotNull(decoder));
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if (aDecoderFlags & DecoderFlags::CANNOT_SUBSTITUTE) {
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provider->Availability().SetCannotSubstitute();
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}
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// Attempt to insert the surface provider into the surface cache right away so
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// we won't trigger any more decoders with the same parameters.
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switch (SurfaceCache::Insert(provider)) {
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case InsertOutcome::SUCCESS:
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break;
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case InsertOutcome::FAILURE_ALREADY_PRESENT:
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return NS_ERROR_ALREADY_INITIALIZED;
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default:
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return NS_ERROR_FAILURE;
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}
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// Return the surface provider in its IDecodingTask guise.
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RefPtr<IDecodingTask> task = provider.get();
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task.forget(aOutTask);
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return NS_OK;
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}
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/* static */
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nsresult DecoderFactory::CreateAnimationDecoder(
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DecoderType aType, NotNull<RasterImage*> aImage,
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NotNull<SourceBuffer*> aSourceBuffer, const IntSize& aIntrinsicSize,
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DecoderFlags aDecoderFlags, SurfaceFlags aSurfaceFlags,
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size_t aCurrentFrame, IDecodingTask** aOutTask) {
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if (aType == DecoderType::UNKNOWN) {
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return NS_ERROR_INVALID_ARG;
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}
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MOZ_ASSERT(aType == DecoderType::GIF || aType == DecoderType::PNG ||
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aType == DecoderType::WEBP,
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"Calling CreateAnimationDecoder for non-animating DecoderType");
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// Create an anonymous decoder. Interaction with the SurfaceCache and the
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// owning RasterImage will be mediated by AnimationSurfaceProvider.
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RefPtr<Decoder> decoder =
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GetDecoder(aType, nullptr, /* aIsRedecode = */ true);
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MOZ_ASSERT(decoder, "Should have a decoder now");
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// Initialize the decoder.
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decoder->SetMetadataDecode(false);
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decoder->SetIterator(aSourceBuffer->Iterator());
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decoder->SetDecoderFlags(aDecoderFlags | DecoderFlags::IS_REDECODE);
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decoder->SetSurfaceFlags(aSurfaceFlags);
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nsresult rv = decoder->Init();
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if (NS_FAILED(rv)) {
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return NS_ERROR_FAILURE;
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}
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// Create an AnimationSurfaceProvider which will manage the decoding process
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// and make this decoder's output available in the surface cache.
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SurfaceKey surfaceKey =
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RasterSurfaceKey(aIntrinsicSize, aSurfaceFlags, PlaybackType::eAnimated);
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auto provider = MakeNotNull<RefPtr<AnimationSurfaceProvider>>(
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aImage, surfaceKey, WrapNotNull(decoder), aCurrentFrame);
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// Attempt to insert the surface provider into the surface cache right away so
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// we won't trigger any more decoders with the same parameters.
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switch (SurfaceCache::Insert(provider)) {
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case InsertOutcome::SUCCESS:
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break;
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case InsertOutcome::FAILURE_ALREADY_PRESENT:
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return NS_ERROR_ALREADY_INITIALIZED;
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default:
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return NS_ERROR_FAILURE;
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}
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// Return the surface provider in its IDecodingTask guise.
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RefPtr<IDecodingTask> task = provider.get();
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task.forget(aOutTask);
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return NS_OK;
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}
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/* static */
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already_AddRefed<Decoder> DecoderFactory::CloneAnimationDecoder(
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Decoder* aDecoder) {
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MOZ_ASSERT(aDecoder);
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// In an ideal world, we would assert aDecoder->HasAnimation() but we cannot.
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// The decoder may not have detected it is animated yet (e.g. it did not even
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// get scheduled yet, or it has only decoded the first frame and has yet to
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// rediscover it is animated).
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DecoderType type = aDecoder->GetType();
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MOZ_ASSERT(type == DecoderType::GIF || type == DecoderType::PNG ||
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type == DecoderType::WEBP,
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"Calling CloneAnimationDecoder for non-animating DecoderType");
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RefPtr<Decoder> decoder = GetDecoder(type, nullptr, /* aIsRedecode = */ true);
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MOZ_ASSERT(decoder, "Should have a decoder now");
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// Initialize the decoder.
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decoder->SetMetadataDecode(false);
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decoder->SetIterator(aDecoder->GetSourceBuffer()->Iterator());
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decoder->SetDecoderFlags(aDecoder->GetDecoderFlags());
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decoder->SetSurfaceFlags(aDecoder->GetSurfaceFlags());
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decoder->SetFrameRecycler(aDecoder->GetFrameRecycler());
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if (NS_FAILED(decoder->Init())) {
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return nullptr;
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}
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return decoder.forget();
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}
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/* static */
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already_AddRefed<IDecodingTask> DecoderFactory::CreateMetadataDecoder(
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DecoderType aType, NotNull<RasterImage*> aImage,
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NotNull<SourceBuffer*> aSourceBuffer) {
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if (aType == DecoderType::UNKNOWN) {
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return nullptr;
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}
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RefPtr<Decoder> decoder =
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GetDecoder(aType, aImage, /* aIsRedecode = */ false);
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MOZ_ASSERT(decoder, "Should have a decoder now");
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// Initialize the decoder.
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decoder->SetMetadataDecode(true);
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decoder->SetIterator(aSourceBuffer->Iterator());
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if (NS_FAILED(decoder->Init())) {
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return nullptr;
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}
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RefPtr<IDecodingTask> task = new MetadataDecodingTask(WrapNotNull(decoder));
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return task.forget();
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}
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/* static */
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already_AddRefed<Decoder> DecoderFactory::CreateDecoderForICOResource(
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DecoderType aType, SourceBufferIterator&& aIterator,
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NotNull<nsICODecoder*> aICODecoder, bool aIsMetadataDecode,
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const Maybe<IntSize>& aExpectedSize, const Maybe<uint32_t>& aDataOffset
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/* = Nothing() */) {
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// Create the decoder.
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RefPtr<Decoder> decoder;
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switch (aType) {
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case DecoderType::BMP:
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MOZ_ASSERT(aDataOffset);
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decoder =
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new nsBMPDecoder(aICODecoder->GetImageMaybeNull(), *aDataOffset);
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break;
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case DecoderType::PNG:
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MOZ_ASSERT(!aDataOffset);
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decoder = new nsPNGDecoder(aICODecoder->GetImageMaybeNull());
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break;
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default:
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MOZ_ASSERT_UNREACHABLE("Invalid ICO resource decoder type");
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return nullptr;
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}
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MOZ_ASSERT(decoder);
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// Initialize the decoder, copying settings from @aICODecoder.
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decoder->SetMetadataDecode(aIsMetadataDecode);
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decoder->SetIterator(std::forward<SourceBufferIterator>(aIterator));
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if (!aIsMetadataDecode) {
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decoder->SetOutputSize(aICODecoder->OutputSize());
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}
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if (aExpectedSize) {
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decoder->SetExpectedSize(*aExpectedSize);
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}
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decoder->SetDecoderFlags(aICODecoder->GetDecoderFlags());
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decoder->SetSurfaceFlags(aICODecoder->GetSurfaceFlags());
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decoder->SetFinalizeFrames(false);
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if (NS_FAILED(decoder->Init())) {
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return nullptr;
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}
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return decoder.forget();
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}
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/* static */
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already_AddRefed<Decoder> DecoderFactory::CreateAnonymousDecoder(
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DecoderType aType, NotNull<SourceBuffer*> aSourceBuffer,
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const Maybe<IntSize>& aOutputSize, DecoderFlags aDecoderFlags,
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SurfaceFlags aSurfaceFlags) {
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if (aType == DecoderType::UNKNOWN) {
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return nullptr;
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}
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RefPtr<Decoder> decoder =
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GetDecoder(aType, /* aImage = */ nullptr, /* aIsRedecode = */ false);
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MOZ_ASSERT(decoder, "Should have a decoder now");
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// Initialize the decoder.
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decoder->SetMetadataDecode(false);
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decoder->SetIterator(aSourceBuffer->Iterator());
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// Anonymous decoders are always transient; we don't want to optimize surfaces
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// or do any other expensive work that might be wasted.
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DecoderFlags decoderFlags = DecoderFlags::IMAGE_IS_TRANSIENT;
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decoder->SetDecoderFlags(aDecoderFlags | decoderFlags);
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decoder->SetSurfaceFlags(aSurfaceFlags);
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// Set an output size for downscale-during-decode if requested.
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if (aOutputSize) {
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decoder->SetOutputSize(*aOutputSize);
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}
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if (NS_FAILED(decoder->Init())) {
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return nullptr;
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}
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return decoder.forget();
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}
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/* static */
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already_AddRefed<Decoder> DecoderFactory::CreateAnonymousMetadataDecoder(
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DecoderType aType, NotNull<SourceBuffer*> aSourceBuffer) {
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if (aType == DecoderType::UNKNOWN) {
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return nullptr;
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}
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RefPtr<Decoder> decoder =
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GetDecoder(aType, /* aImage = */ nullptr, /* aIsRedecode = */ false);
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MOZ_ASSERT(decoder, "Should have a decoder now");
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// Initialize the decoder.
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decoder->SetMetadataDecode(true);
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decoder->SetIterator(aSourceBuffer->Iterator());
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decoder->SetDecoderFlags(DecoderFlags::FIRST_FRAME_ONLY);
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if (NS_FAILED(decoder->Init())) {
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return nullptr;
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}
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return decoder.forget();
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}
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} // namespace image
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} // namespace mozilla
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