35 lines
1.1 KiB
C#
35 lines
1.1 KiB
C#
using System;
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using Age.Engine.Sys4;
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internal readonly record struct MovieAudioInfo(int SampleRate, int Channels);
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internal sealed record MovieAudioChunk(float[] InterleavedStereo, int FrameCount, long PresentationTimeMs);
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/// <summary>
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/// Platform-neutral movie playback boundary. Construction is synchronous so metadata needed by the VM is
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/// available before op 0x236 returns; frame delivery and completion remain asynchronous.
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/// </summary>
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internal interface IMovieDecoder : IDisposable
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{
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long? StopTimeMs { get; }
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long InitialPositionMs => 0;
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bool IsCompleted { get; }
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string? Failure { get; }
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long? FirstFramePresentationTimeMs => null;
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bool TryTakeFrame(out RgbaImage frame);
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MovieAudioInfo? AudioInfo => null;
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bool AudioDecodingCompleted => true;
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bool TryTakeAudioChunk(out MovieAudioChunk chunk)
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{
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chunk = default!;
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return false;
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}
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void AdvancePlaybackClock(long elapsedMilliseconds) { }
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void MarkAudioSubmitted() { }
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}
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internal interface IMovieDecoderFactory
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{
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IMovieDecoder Open(
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MoviePayload movie, long initialPositionMs = 0, long? presentationDurationMs = null);
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}
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