SHA256
332 lines
12 KiB
C#
332 lines
12 KiB
C#
using System;
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using System.IO;
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using ADOFAIRenderer.Util.FFmpeg;
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using MelonLoader;
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using UnityEngine;
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using FFmpeg.AutoGen;
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namespace ADOFAIRenderer.Util
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{
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// ReSharper disable once InconsistentNaming
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public class FFmpegVideoBGPlayer : MonoBehaviour
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{
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private enum GPUMode
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{
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None,
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YUV420P,
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NV12
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}
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private FFmpegNativeDecoder? _decoder;
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// CPU fallback rendering
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private Texture2D? _textureRGBA;
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// GPU conversion textures
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private Texture2D? _textureY;
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private Texture2D? _textureU;
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private Texture2D? _textureV;
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private Texture2D? _textureUV;
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// Compute Shader variables
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private ComputeShader? _computeShader;
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private RenderTexture? _renderTexture;
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private int _kernelIndex = -1;
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private double _currentFrameTimestamp;
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private double _nextFrameTimestamp;
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private GPUMode _gpuMode = GPUMode.None;
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private RenderTexture? _targetTexture;
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private bool _isLooping;
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private bool _isInitialized;
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public void Init(string videoPath, RenderTexture targetTexture, bool loop)
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{
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CleanUp();
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_targetTexture = targetTexture;
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_isLooping = loop;
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if (!File.Exists(videoPath))
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{
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Melon<RenderMod>.Logger.Warning($"[FFmpegVideoBGPlayer] 비디오 파일이 존재하지 않습니다: {videoPath}");
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return;
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}
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try
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{
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_decoder = new FFmpegNativeDecoder(videoPath);
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_computeShader = RenderMod.ColorConversionShader;
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int w = _decoder.Width;
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int h = _decoder.Height;
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AVPixelFormat pixFmt = _decoder.PixelFormat;
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bool gpuInitSuccess = false;
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if (_computeShader != null)
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{
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if (pixFmt == AVPixelFormat.AV_PIX_FMT_NV12)
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{
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try
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{
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_kernelIndex = _computeShader.FindKernel("CSMain_NV12ToRGBA");
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_textureY = new Texture2D(w, h, TextureFormat.R8, false);
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_textureUV = new Texture2D(w / 2, h / 2, TextureFormat.RG16, false);
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ConfigureTexture(_textureY);
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ConfigureTexture(_textureUV);
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_gpuMode = GPUMode.NV12;
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gpuInitSuccess = true;
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Melon<RenderMod>.Logger.Msg($"[FFmpegVideoBGPlayer] Compute Shader NV12 모드 초기화 완료");
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}
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catch { }
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}
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else if (pixFmt == AVPixelFormat.AV_PIX_FMT_YUV420P || pixFmt == AVPixelFormat.AV_PIX_FMT_YUVJ420P)
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{
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try
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{
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_kernelIndex = _computeShader.FindKernel("CSMain_YUV420PToRGBA");
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_textureY = new Texture2D(w, h, TextureFormat.R8, false);
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_textureU = new Texture2D(w / 2, h / 2, TextureFormat.R8, false);
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_textureV = new Texture2D(w / 2, h / 2, TextureFormat.R8, false);
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ConfigureTexture(_textureY);
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ConfigureTexture(_textureU);
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ConfigureTexture(_textureV);
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_gpuMode = GPUMode.YUV420P;
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gpuInitSuccess = true;
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Melon<RenderMod>.Logger.Msg($"[FFmpegVideoBGPlayer] Compute Shader YUV420P 모드 초기화 완료");
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}
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catch { }
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}
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}
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if (gpuInitSuccess && _computeShader != null)
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{
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_renderTexture = new RenderTexture(w, h, 0, RenderTextureFormat.ARGB32);
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_renderTexture.enableRandomWrite = true;
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_renderTexture.Create();
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}
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else
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{
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_textureRGBA = new Texture2D(w, h, TextureFormat.RGBA32, false);
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ConfigureTexture(_textureRGBA);
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_gpuMode = GPUMode.None;
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Melon<RenderMod>.Logger.Warning($"[FFmpegVideoBGPlayer] GPU 가속 미지원 또는 로드 실패로 CPU 폴백(RGBA)으로 진행합니다.");
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}
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_currentFrameTimestamp = 0.0;
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_nextFrameTimestamp = 0.0;
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_isInitialized = true;
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Melon<RenderMod>.Logger.Msg($"[FFmpegVideoBGPlayer] 초기화 성공 - 해상도: {w}x{h}, FPS: {_decoder.FPS:F2}");
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}
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catch (Exception ex)
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{
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Melon<RenderMod>.Logger.Error($"[FFmpegVideoBGPlayer] 초기화 중 에러 발생: {ex}");
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CleanUp();
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}
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}
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private void ConfigureTexture(Texture2D tex)
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{
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tex.wrapMode = TextureWrapMode.Clamp;
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tex.filterMode = FilterMode.Bilinear;
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}
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private void Update()
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{
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if (!_isInitialized || _decoder == null) return;
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scrConductor cond = scrConductor.instance;
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if (cond == null || !cond.hasSongStarted) return;
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double num4 = (cond.separateCountdownTime ? (cond.crotchetAtStart * (double)ADOBase.conductor.adjustedCountdownTicks) : 0.0);
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double vidOffset = scrVfxPlus.instance ? scrVfxPlus.instance.vidOffset : 0.0;
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double targetVideoTime = cond.songposition_minusi - num4 + vidOffset;
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if (targetVideoTime < 0)
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{
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if (_targetTexture != null)
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{
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RenderTexture active = RenderTexture.active;
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RenderTexture.active = _targetTexture;
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GL.Clear(true, true, Color.black);
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RenderTexture.active = active;
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}
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return;
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}
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try
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{
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if (targetVideoTime < _currentFrameTimestamp || targetVideoTime - _currentFrameTimestamp > 1.0)
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{
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_decoder.SeekToTime(targetVideoTime);
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_currentFrameTimestamp = targetVideoTime;
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_nextFrameTimestamp = targetVideoTime;
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}
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bool frameUpdated = false;
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while (targetVideoTime >= _nextFrameTimestamp)
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{
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double timestamp;
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bool success = false;
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if (_gpuMode == GPUMode.NV12 && _textureY != null && _textureUV != null)
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{
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success = _decoder.TryReadNV12Frame(
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_textureY.GetRawTextureData<byte>(),
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_textureUV.GetRawTextureData<byte>(),
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out timestamp
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);
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}
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else if (_gpuMode == GPUMode.YUV420P && _textureY != null && _textureU != null && _textureV != null)
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{
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success = _decoder.TryReadYUV420PFrame(
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_textureY.GetRawTextureData<byte>(),
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_textureU.GetRawTextureData<byte>(),
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_textureV.GetRawTextureData<byte>(),
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out timestamp
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);
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}
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else
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{
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if (_textureRGBA != null)
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{
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success = _decoder.TryReadFrame(
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_textureRGBA.GetRawTextureData<byte>(),
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vflip: true,
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out timestamp
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);
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}
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}
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if (success)
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{
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_currentFrameTimestamp = timestamp;
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_nextFrameTimestamp = timestamp + (1.0 / _decoder.FPS);
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frameUpdated = true;
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}
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else
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{
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if (_isLooping)
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{
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_decoder.SeekToTime(0);
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_currentFrameTimestamp = 0;
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_nextFrameTimestamp = 1.0 / _decoder.FPS;
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break;
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}
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else
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{
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break;
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}
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}
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}
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if (frameUpdated)
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{
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RenderToTarget();
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}
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}
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catch (Exception ex)
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{
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Melon<RenderMod>.Logger.Error($"[FFmpegVideoBGPlayer] Update 재생 중 에러 발생: {ex}");
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_isInitialized = false;
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}
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}
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private void RenderToTarget()
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{
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if (_decoder == null || _targetTexture == null) return;
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int w = _decoder.Width;
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int h = _decoder.Height;
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if (_gpuMode == GPUMode.NV12 && _textureY != null && _textureUV != null && _computeShader != null && _renderTexture != null)
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{
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_textureY.Apply();
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_textureUV.Apply();
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_computeShader.SetTexture(_kernelIndex, "_YTex", _textureY);
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_computeShader.SetTexture(_kernelIndex, "_UVTex", _textureUV);
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_computeShader.SetTexture(_kernelIndex, "_Result", _renderTexture);
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_computeShader.SetInt("Width", w);
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_computeShader.SetInt("Height", h);
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int threadGroupsX = (w + 7) / 8;
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int threadGroupsY = (h + 7) / 8;
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_computeShader.Dispatch(_kernelIndex, threadGroupsX, threadGroupsY, 1);
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Graphics.Blit(_renderTexture, _targetTexture);
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}
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else if (_gpuMode == GPUMode.YUV420P && _textureY != null && _textureU != null && _textureV != null && _computeShader != null && _renderTexture != null)
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{
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_textureY.Apply();
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_textureU.Apply();
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_textureV.Apply();
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_computeShader.SetTexture(_kernelIndex, "_YTex", _textureY);
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_computeShader.SetTexture(_kernelIndex, "_UTex", _textureU);
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_computeShader.SetTexture(_kernelIndex, "_VTex", _textureV);
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_computeShader.SetTexture(_kernelIndex, "_Result", _renderTexture);
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_computeShader.SetInt("Width", w);
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_computeShader.SetInt("Height", h);
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int threadGroupsX = (w + 7) / 8;
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int threadGroupsY = (h + 7) / 8;
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_computeShader.Dispatch(_kernelIndex, threadGroupsX, threadGroupsY, 1);
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Graphics.Blit(_renderTexture, _targetTexture);
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}
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else if (_textureRGBA != null)
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{
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_textureRGBA.Apply();
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Graphics.Blit(_textureRGBA, _targetTexture);
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}
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}
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private void OnDestroy()
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{
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CleanUp();
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}
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public void CleanUp()
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{
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_isInitialized = false;
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if (_decoder != null)
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{
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_decoder.Dispose();
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_decoder = null;
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Melon<RenderMod>.Logger.Msg("[FFmpegVideoBGPlayer] 디코더 해제 완료.");
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}
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if (_textureRGBA != null)
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{
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Destroy(_textureRGBA);
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_textureRGBA = null;
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}
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if (_textureY != null) Destroy(_textureY);
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if (_textureU != null) Destroy(_textureU);
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if (_textureV != null) Destroy(_textureV);
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if (_textureUV != null) Destroy(_textureUV);
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_textureY = null;
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_textureU = null;
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_textureV = null;
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_textureUV = null;
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if (_renderTexture != null)
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{
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_renderTexture.Release();
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Destroy(_renderTexture);
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_renderTexture = null;
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}
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}
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}
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}
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