mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-23 19:15:55 +00:00
ImageDecoder: Schedule decode jobs on the LibThreading background thread
This allows the ImageDecoder service to handle new IPC requests while decoding in parallel.
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parent
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commit
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@ -24,4 +24,4 @@ target_link_libraries(ImageDecoder PRIVATE imagedecoder LibMain)
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target_include_directories(imagedecoder PRIVATE ${SERENITY_SOURCE_DIR}/Userland/Services/)
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target_include_directories(imagedecoder PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/..)
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target_link_libraries(imagedecoder PRIVATE LibCore LibGfx LibIPC LibImageDecoderClient LibMain)
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target_link_libraries(imagedecoder PRIVATE LibCore LibGfx LibIPC LibImageDecoderClient LibMain LibThreading)
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@ -11,6 +11,7 @@ executable("ImageDecoder") {
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"//Userland/Libraries/LibIPC",
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"//Userland/Libraries/LibImageDecoderClient",
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"//Userland/Libraries/LibMain",
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"//Userland/Libraries/LibThreading",
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]
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sources = [
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"//Userland/Services/ImageDecoder/ConnectionFromClient.cpp",
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@ -17,4 +17,4 @@ set(GENERATED_SOURCES
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)
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serenity_bin(ImageDecoder)
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target_link_libraries(ImageDecoder PRIVATE LibCore LibGfx LibIPC LibMain)
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target_link_libraries(ImageDecoder PRIVATE LibCore LibGfx LibIPC LibMain LibThreading)
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@ -20,6 +20,12 @@ ConnectionFromClient::ConnectionFromClient(NonnullOwnPtr<Core::LocalSocket> sock
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void ConnectionFromClient::die()
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{
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for (auto& [_, job] : m_pending_jobs) {
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job->cancel();
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}
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m_pending_jobs.clear();
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Threading::quit_background_thread();
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Core::EventLoop::current().quit(0);
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}
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@ -38,24 +44,19 @@ static void decode_image_to_bitmaps_and_durations_with_decoder(Gfx::ImageDecoder
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}
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}
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static void decode_image_to_details(Core::AnonymousBuffer const& encoded_buffer, Optional<Gfx::IntSize> ideal_size, Optional<ByteString> const& known_mime_type, bool& is_animated, u32& loop_count, Vector<Gfx::ShareableBitmap>& bitmaps, Vector<u32>& durations, Gfx::FloatPoint& scale)
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static ErrorOr<ConnectionFromClient::DecodeResult> decode_image_to_details(Core::AnonymousBuffer const& encoded_buffer, Optional<Gfx::IntSize> ideal_size, Optional<ByteString> const& known_mime_type)
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{
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VERIFY(bitmaps.size() == 0);
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VERIFY(durations.size() == 0);
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auto decoder = TRY(Gfx::ImageDecoder::try_create_for_raw_bytes(ReadonlyBytes { encoded_buffer.data<u8>(), encoded_buffer.size() }, known_mime_type));
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auto decoder_or_err = Gfx::ImageDecoder::try_create_for_raw_bytes(ReadonlyBytes { encoded_buffer.data<u8>(), encoded_buffer.size() }, known_mime_type);
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if (decoder_or_err.is_error() || !decoder_or_err.value()) {
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dbgln_if(IMAGE_DECODER_DEBUG, "Could not find suitable image decoder plugin for data");
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return;
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}
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auto decoder = decoder_or_err.release_value();
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if (!decoder)
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return Error::from_string_literal("Could not find suitable image decoder plugin for data");
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if (!decoder->frame_count()) {
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dbgln_if(IMAGE_DECODER_DEBUG, "Could not decode image from encoded data");
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return;
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}
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is_animated = decoder->is_animated();
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loop_count = decoder->loop_count();
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if (!decoder->frame_count())
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return Error::from_string_literal("Could not decode image from encoded data");
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ConnectionFromClient::DecodeResult result;
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result.is_animated = decoder->is_animated();
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result.loop_count = decoder->loop_count();
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if (auto maybe_metadata = decoder->metadata(); maybe_metadata.has_value() && is<Gfx::ExifMetadata>(*maybe_metadata)) {
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auto const& exif = static_cast<Gfx::ExifMetadata const&>(maybe_metadata.value());
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@ -63,31 +64,36 @@ static void decode_image_to_details(Core::AnonymousBuffer const& encoded_buffer,
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auto const x_resolution = exif.x_resolution()->as_double();
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auto const y_resolution = exif.y_resolution()->as_double();
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if (x_resolution < y_resolution)
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scale.set_y(x_resolution / y_resolution);
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result.scale.set_y(x_resolution / y_resolution);
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else
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scale.set_x(y_resolution / x_resolution);
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result.scale.set_x(y_resolution / x_resolution);
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}
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}
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decode_image_to_bitmaps_and_durations_with_decoder(*decoder, ideal_size, bitmaps, durations);
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decode_image_to_bitmaps_and_durations_with_decoder(*decoder, move(ideal_size), result.bitmaps, result.durations);
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if (result.bitmaps.is_empty())
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return Error::from_string_literal("Could not decode image");
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return result;
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}
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ConnectionFromClient::Job ConnectionFromClient::make_decode_image_job(i64 image_id, Core::AnonymousBuffer encoded_buffer, Optional<Gfx::IntSize> ideal_size, Optional<ByteString> mime_type)
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NonnullRefPtr<ConnectionFromClient::Job> ConnectionFromClient::make_decode_image_job(i64 image_id, Core::AnonymousBuffer encoded_buffer, Optional<Gfx::IntSize> ideal_size, Optional<ByteString> mime_type)
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{
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return [strong_this = NonnullRefPtr(*this), image_id, encoded_buffer = move(encoded_buffer), ideal_size = move(ideal_size), mime_type = move(mime_type)]() {
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bool is_animated = false;
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u32 loop_count = 0;
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Gfx::FloatPoint scale { 1, 1 };
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Vector<Gfx::ShareableBitmap> bitmaps;
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Vector<u32> durations;
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decode_image_to_details(encoded_buffer, ideal_size, mime_type, is_animated, loop_count, bitmaps, durations, scale);
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if (bitmaps.is_empty()) {
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strong_this->async_did_fail_to_decode_image(image_id, "Could not decode image"_string);
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} else {
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strong_this->async_did_decode_image(image_id, is_animated, loop_count, bitmaps, durations, scale);
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}
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};
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return Job::construct(
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[encoded_buffer = move(encoded_buffer), ideal_size = move(ideal_size), mime_type = move(mime_type)](auto&) -> ErrorOr<DecodeResult> {
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return TRY(decode_image_to_details(encoded_buffer, ideal_size, mime_type));
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},
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[strong_this = NonnullRefPtr(*this), image_id](DecodeResult result) -> ErrorOr<void> {
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strong_this->async_did_decode_image(image_id, result.is_animated, result.loop_count, result.bitmaps, result.durations, result.scale);
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strong_this->m_pending_jobs.remove(image_id);
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return {};
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},
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[strong_this = NonnullRefPtr(*this), image_id](Error error) -> void {
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if (strong_this->is_open())
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strong_this->async_did_fail_to_decode_image(image_id, MUST(String::formatted("Decoding failed: {}", error)));
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strong_this->m_pending_jobs.remove(image_id);
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});
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}
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Messages::ImageDecoderServer::DecodeImageResponse ConnectionFromClient::decode_image(Core::AnonymousBuffer const& encoded_buffer, Optional<Gfx::IntSize> const& ideal_size, Optional<ByteString> const& mime_type)
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@ -102,19 +108,13 @@ Messages::ImageDecoderServer::DecodeImageResponse ConnectionFromClient::decode_i
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m_pending_jobs.set(image_id, make_decode_image_job(image_id, encoded_buffer, ideal_size, mime_type));
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Core::deferred_invoke([strong_this = NonnullRefPtr(*this), image_id]() {
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if (auto job = strong_this->m_pending_jobs.take(image_id); job.has_value()) {
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job.value()();
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}
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});
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return image_id;
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}
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void ConnectionFromClient::cancel_decoding(i64 image_id)
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{
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if (auto job = m_pending_jobs.take(image_id); job.has_value()) {
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async_did_fail_to_decode_image(image_id, "Decoding was canceled"_string);
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job.value()->cancel();
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}
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}
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@ -11,6 +11,7 @@
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#include <ImageDecoder/ImageDecoderClientEndpoint.h>
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#include <ImageDecoder/ImageDecoderServerEndpoint.h>
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#include <LibIPC/ConnectionFromClient.h>
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#include <LibThreading/BackgroundAction.h>
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namespace ImageDecoder {
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@ -23,18 +24,26 @@ public:
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virtual void die() override;
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struct DecodeResult {
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bool is_animated = false;
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u32 loop_count = 0;
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Gfx::FloatPoint scale { 1, 1 };
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Vector<Gfx::ShareableBitmap> bitmaps;
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Vector<u32> durations;
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};
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private:
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using Job = Function<void()>;
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using Job = Threading::BackgroundAction<DecodeResult>;
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explicit ConnectionFromClient(NonnullOwnPtr<Core::LocalSocket>);
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virtual Messages::ImageDecoderServer::DecodeImageResponse decode_image(Core::AnonymousBuffer const&, Optional<Gfx::IntSize> const& ideal_size, Optional<ByteString> const& mime_type) override;
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virtual void cancel_decoding(i64 image_id) override;
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Job make_decode_image_job(i64 image_id, Core::AnonymousBuffer, Optional<Gfx::IntSize> ideal_size, Optional<ByteString> mime_type);
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NonnullRefPtr<Job> make_decode_image_job(i64 image_id, Core::AnonymousBuffer, Optional<Gfx::IntSize> ideal_size, Optional<ByteString> mime_type);
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i64 m_next_image_id { 0 };
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HashMap<i64, Job> m_pending_jobs;
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HashMap<i64, NonnullRefPtr<Job>> m_pending_jobs;
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};
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}
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