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Otherwise, if the sample iterator resides in a block with multiple frames before the seek, the demuxer will output all the remaining frames from that block before moving on to the block at the seeked position.
49 lines
2.3 KiB
C++
49 lines
2.3 KiB
C++
/*
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* Copyright (c) 2023, 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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#include <LibMedia/Containers/Matroska/MatroskaDemuxer.h>
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#include <LibTest/TestCase.h>
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#include <LibMedia/Containers/Matroska/Reader.h>
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TEST_CASE(master_elements_containing_crc32)
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{
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auto matroska_reader = MUST(Media::Matroska::Reader::from_file("master_elements_containing_crc32.mkv"sv));
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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 == 1);
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auto iterator = MUST(matroska_reader.create_sample_iterator(video_track));
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MUST(iterator.next_block());
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MUST(matroska_reader.seek_to_random_access_point(iterator, AK::Duration::from_seconds(7)));
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MUST(iterator.next_block());
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}
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TEST_CASE(seek_in_multi_frame_blocks)
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{
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auto demuxer = MUST(Media::Matroska::MatroskaDemuxer::from_file("test-webm-xiph-lacing.mka"sv));
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auto optional_track = MUST(demuxer->get_preferred_track_for_type(Media::TrackType::Audio));
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EXPECT(optional_track.has_value());
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auto track = optional_track.release_value();
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auto initial_coded_frame = MUST(demuxer->get_next_sample_for_track(track));
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EXPECT(initial_coded_frame.timestamp() <= AK::Duration::zero());
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auto forward_seek_time = AK::Duration::from_seconds(5);
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MUST(demuxer->seek_to_most_recent_keyframe(track, forward_seek_time, Media::DemuxerSeekOptions::None));
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auto coded_frame_after_forward_seek = MUST(demuxer->get_next_sample_for_track(track));
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EXPECT(coded_frame_after_forward_seek.timestamp() > AK::Duration::zero());
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EXPECT(coded_frame_after_forward_seek.timestamp() <= forward_seek_time);
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auto backward_seek_time = AK::Duration::from_seconds(2);
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MUST(demuxer->seek_to_most_recent_keyframe(track, backward_seek_time, Media::DemuxerSeekOptions::None));
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auto coded_frame_after_backward_seek = MUST(demuxer->get_next_sample_for_track(track));
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EXPECT(coded_frame_after_backward_seek.timestamp() > AK::Duration::zero());
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EXPECT(coded_frame_after_backward_seek.timestamp() <= backward_seek_time);
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}
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