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59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/*
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* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibTest/TestCase.h>
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#include <AK/Function.h>
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#include <LibMedia/Containers/Matroska/Reader.h>
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#include <LibMedia/VideoDecoder.h>
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#include <LibMedia/VideoFrame.h>
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template<typename T>
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static inline void decode_video(StringView path, size_t expected_frame_count, T create_decoder)
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{
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auto matroska_reader = MUST(Media::Matroska::Reader::from_file(path));
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u64 video_track = 0;
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MUST(matroska_reader.for_each_track_of_type(Media::Matroska::TrackEntry::TrackType::Video, [&](Media::Matroska::TrackEntry const& track_entry) -> Media::DecoderErrorOr<IterationDecision> {
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video_track = track_entry.track_number();
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return IterationDecision::Break;
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}));
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VERIFY(video_track != 0);
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auto iterator = MUST(matroska_reader.create_sample_iterator(video_track));
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size_t frame_count = 0;
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NonnullOwnPtr<Media::VideoDecoder> decoder = create_decoder(iterator);
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auto last_timestamp = Duration::min();
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while (frame_count <= expected_frame_count) {
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auto block_result = iterator.next_block();
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if (block_result.is_error() && block_result.error().category() == Media::DecoderErrorCategory::EndOfStream) {
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VERIFY(frame_count == expected_frame_count);
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return;
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}
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auto block = block_result.release_value();
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for (auto const& frame : block.frames()) {
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MUST(decoder->receive_sample(block.timestamp(), frame));
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while (true) {
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auto frame_result = decoder->get_decoded_frame();
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if (frame_result.is_error()) {
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if (frame_result.error().category() == Media::DecoderErrorCategory::NeedsMoreInput)
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break;
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VERIFY_NOT_REACHED();
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}
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EXPECT(last_timestamp <= frame_result.value()->timestamp());
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last_timestamp = frame_result.value()->timestamp();
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}
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frame_count++;
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}
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}
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VERIFY_NOT_REACHED();
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}
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