move VideoPlayer functions to Video
parent
845881533b
commit
3966a0c4ea
|
|
@ -1,42 +1,66 @@
|
|||
/* Heavily based on https://github.com/FNA-XNA/FNA/blob/master/src/Media/Xiph/Video.cs */
|
||||
/* Heavily based on https://github.com/FNA-XNA/FNA/blob/master/src/Media/Xiph/VideoPlayer.cs */
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Runtime.InteropServices;
|
||||
using MoonWorks.Graphics;
|
||||
|
||||
namespace MoonWorks.Video
|
||||
{
|
||||
public class Video : IDisposable
|
||||
public enum VideoState
|
||||
{
|
||||
public IntPtr Handle => handle;
|
||||
public int YWidth => yWidth;
|
||||
public int YHeight => yHeight;
|
||||
public int UVWidth => uvWidth;
|
||||
public int UVHeight => uvHeight;
|
||||
public double FramesPerSecond => fps;
|
||||
Playing,
|
||||
Paused,
|
||||
Stopped
|
||||
}
|
||||
|
||||
private IntPtr handle;
|
||||
public unsafe class Video : IDisposable
|
||||
{
|
||||
private IntPtr Handle;
|
||||
|
||||
public bool Loop { get; set; }
|
||||
public bool Mute { get; set; }
|
||||
public float Volume { get; set; }
|
||||
public double FramesPerSecond => fps;
|
||||
private VideoState State = VideoState.Stopped;
|
||||
|
||||
private double fps;
|
||||
private int yWidth;
|
||||
private int yHeight;
|
||||
private int uvWidth;
|
||||
private int uvHeight;
|
||||
private double fps;
|
||||
|
||||
private void* yuvData = null;
|
||||
private int yuvDataLength;
|
||||
private int currentFrame;
|
||||
|
||||
private GraphicsDevice GraphicsDevice;
|
||||
private Texture RenderTexture = null;
|
||||
private Texture yTexture = null;
|
||||
private Texture uTexture = null;
|
||||
private Texture vTexture = null;
|
||||
private Sampler LinearSampler;
|
||||
|
||||
private Stopwatch timer;
|
||||
|
||||
private bool disposed;
|
||||
|
||||
public Video(string filename)
|
||||
public Video(GraphicsDevice graphicsDevice, string filename)
|
||||
{
|
||||
Theorafile.th_pixel_fmt format;
|
||||
GraphicsDevice = graphicsDevice;
|
||||
|
||||
if (!System.IO.File.Exists(filename))
|
||||
{
|
||||
throw new ArgumentException("Video file not found!");
|
||||
}
|
||||
|
||||
if (Theorafile.tf_fopen(filename, out handle) < 0)
|
||||
if (Theorafile.tf_fopen(filename, out Handle) < 0)
|
||||
{
|
||||
throw new ArgumentException("Invalid video file!");
|
||||
}
|
||||
|
||||
Theorafile.th_pixel_fmt format;
|
||||
Theorafile.tf_videoinfo(
|
||||
handle,
|
||||
Handle,
|
||||
out yWidth,
|
||||
out yHeight,
|
||||
out fps,
|
||||
|
|
@ -62,6 +86,193 @@ namespace MoonWorks.Video
|
|||
{
|
||||
throw new NotSupportedException("Unrecognized YUV format!");
|
||||
}
|
||||
|
||||
yuvDataLength = (
|
||||
(yWidth * yHeight) +
|
||||
(uvWidth * uvHeight * 2)
|
||||
);
|
||||
|
||||
yuvData = NativeMemory.Alloc((nuint) yuvDataLength);
|
||||
|
||||
InitializeTheoraStream();
|
||||
|
||||
if (Theorafile.tf_hasvideo(Handle) == 1)
|
||||
{
|
||||
RenderTexture = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) yWidth,
|
||||
(uint) yHeight,
|
||||
TextureFormat.R8G8B8A8,
|
||||
TextureUsageFlags.ColorTarget | TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
yTexture = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) yWidth,
|
||||
(uint) yHeight,
|
||||
TextureFormat.R8,
|
||||
TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
uTexture = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) uvWidth,
|
||||
(uint) uvHeight,
|
||||
TextureFormat.R8,
|
||||
TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
vTexture = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) uvWidth,
|
||||
(uint) uvHeight,
|
||||
TextureFormat.R8,
|
||||
TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
LinearSampler = new Sampler(GraphicsDevice, SamplerCreateInfo.LinearClamp);
|
||||
}
|
||||
|
||||
timer = new Stopwatch();
|
||||
}
|
||||
|
||||
public void Play(bool loop = false)
|
||||
{
|
||||
if (State == VideoState.Playing)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Loop = loop;
|
||||
timer.Start();
|
||||
|
||||
State = VideoState.Playing;
|
||||
}
|
||||
|
||||
|
||||
public void Pause()
|
||||
{
|
||||
if (State != VideoState.Playing)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
timer.Stop();
|
||||
|
||||
State = VideoState.Paused;
|
||||
}
|
||||
|
||||
public void Stop()
|
||||
{
|
||||
if (State == VideoState.Stopped)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
timer.Stop();
|
||||
timer.Reset();
|
||||
|
||||
Theorafile.tf_reset(Handle);
|
||||
|
||||
State = VideoState.Stopped;
|
||||
}
|
||||
|
||||
public Texture GetTexture()
|
||||
{
|
||||
if (RenderTexture == null)
|
||||
{
|
||||
throw new InvalidOperationException();
|
||||
}
|
||||
|
||||
if (State == VideoState.Stopped)
|
||||
{
|
||||
return RenderTexture;
|
||||
}
|
||||
|
||||
int thisFrame = (int) (timer.Elapsed.TotalMilliseconds / (1000.0 / FramesPerSecond));
|
||||
if (thisFrame > currentFrame)
|
||||
{
|
||||
if (Theorafile.tf_readvideo(
|
||||
Handle,
|
||||
(IntPtr) yuvData,
|
||||
thisFrame - currentFrame
|
||||
) == 1 || currentFrame == -1) {
|
||||
UpdateTexture();
|
||||
}
|
||||
|
||||
currentFrame = thisFrame;
|
||||
}
|
||||
|
||||
bool ended = Theorafile.tf_eos(Handle) == 1;
|
||||
if (ended)
|
||||
{
|
||||
timer.Stop();
|
||||
timer.Reset();
|
||||
|
||||
Theorafile.tf_reset(Handle);
|
||||
|
||||
if (Loop)
|
||||
{
|
||||
// Start over!
|
||||
InitializeTheoraStream();
|
||||
|
||||
timer.Start();
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
State = VideoState.Stopped;
|
||||
}
|
||||
}
|
||||
|
||||
return RenderTexture;
|
||||
}
|
||||
|
||||
private void UpdateTexture()
|
||||
{
|
||||
var commandBuffer = GraphicsDevice.AcquireCommandBuffer();
|
||||
|
||||
commandBuffer.SetTextureDataYUV(
|
||||
yTexture,
|
||||
uTexture,
|
||||
vTexture,
|
||||
(IntPtr) yuvData,
|
||||
(uint) yuvDataLength
|
||||
);
|
||||
|
||||
commandBuffer.BeginRenderPass(
|
||||
new ColorAttachmentInfo(RenderTexture, Color.Black)
|
||||
);
|
||||
|
||||
commandBuffer.BindGraphicsPipeline(GraphicsDevice.VideoPipeline);
|
||||
commandBuffer.BindFragmentSamplers(
|
||||
new TextureSamplerBinding(yTexture, LinearSampler),
|
||||
new TextureSamplerBinding(uTexture, LinearSampler),
|
||||
new TextureSamplerBinding(vTexture, LinearSampler)
|
||||
);
|
||||
|
||||
commandBuffer.DrawPrimitives(0, 1, 0, 0);
|
||||
|
||||
commandBuffer.EndRenderPass();
|
||||
|
||||
GraphicsDevice.Submit(commandBuffer);
|
||||
}
|
||||
|
||||
private void InitializeTheoraStream()
|
||||
{
|
||||
// Grab the first video frame ASAP.
|
||||
while (Theorafile.tf_readvideo(Handle, (IntPtr) yuvData, 1) == 0);
|
||||
|
||||
// Grab the first bit of audio. We're trying to start the decoding ASAP.
|
||||
if (Theorafile.tf_hasaudio(Handle) == 1)
|
||||
{
|
||||
int channels, samplerate;
|
||||
Theorafile.tf_audioinfo(Handle, out channels, out samplerate);
|
||||
|
||||
// TODO: audio stream
|
||||
}
|
||||
|
||||
currentFrame = -1;
|
||||
}
|
||||
|
||||
protected virtual void Dispose(bool disposing)
|
||||
|
|
@ -70,10 +281,17 @@ namespace MoonWorks.Video
|
|||
{
|
||||
if (disposing)
|
||||
{
|
||||
// TODO: dispose managed state (managed objects)
|
||||
// dispose managed state (managed objects)
|
||||
RenderTexture.Dispose();
|
||||
yTexture.Dispose();
|
||||
uTexture.Dispose();
|
||||
vTexture.Dispose();
|
||||
}
|
||||
|
||||
Theorafile.tf_close(ref handle);
|
||||
// free unmanaged resources (unmanaged objects)
|
||||
Theorafile.tf_close(ref Handle);
|
||||
NativeMemory.Free(yuvData);
|
||||
|
||||
disposed = true;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,285 +0,0 @@
|
|||
/* Heavily based on https://github.com/FNA-XNA/FNA/blob/master/src/Media/Xiph/VideoPlayer.cs */
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.Runtime.InteropServices;
|
||||
using MoonWorks.Graphics;
|
||||
|
||||
namespace MoonWorks.Video
|
||||
{
|
||||
public enum VideoState
|
||||
{
|
||||
Playing,
|
||||
Paused,
|
||||
Stopped
|
||||
}
|
||||
|
||||
public unsafe class VideoPlayer : IDisposable
|
||||
{
|
||||
public bool Loop { get; set; }
|
||||
public bool Mute { get; set; }
|
||||
public float Volume { get; set; }
|
||||
|
||||
private Video Video = null;
|
||||
private VideoState State = VideoState.Stopped;
|
||||
|
||||
private void* yuvData = null;
|
||||
private int yuvDataLength;
|
||||
private int currentFrame;
|
||||
|
||||
private GraphicsDevice GraphicsDevice;
|
||||
private Texture RenderTexture = null;
|
||||
private Texture[] YUVTextures = new Texture[3];
|
||||
private Sampler LinearSampler;
|
||||
|
||||
private Stopwatch timer;
|
||||
|
||||
private bool disposed;
|
||||
|
||||
public VideoPlayer(GraphicsDevice graphicsDevice)
|
||||
{
|
||||
GraphicsDevice = graphicsDevice;
|
||||
timer = new Stopwatch();
|
||||
|
||||
LinearSampler = new Sampler(GraphicsDevice, SamplerCreateInfo.LinearClamp);
|
||||
}
|
||||
|
||||
public void Load(Video video)
|
||||
{
|
||||
Video = video;
|
||||
State = VideoState.Stopped;
|
||||
|
||||
if (yuvData != null)
|
||||
{
|
||||
NativeMemory.Free(yuvData);
|
||||
}
|
||||
|
||||
yuvDataLength = (
|
||||
(Video.YWidth * Video.YHeight) +
|
||||
(Video.UVWidth * video.UVHeight * 2)
|
||||
);
|
||||
|
||||
yuvData = NativeMemory.Alloc((nuint) yuvDataLength);
|
||||
|
||||
InitializeTheoraStream();
|
||||
|
||||
if (Theorafile.tf_hasvideo(Video.Handle) == 1)
|
||||
{
|
||||
if (RenderTexture != null)
|
||||
{
|
||||
RenderTexture.Dispose();
|
||||
}
|
||||
|
||||
RenderTexture = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) Video.YWidth,
|
||||
(uint) Video.YHeight,
|
||||
TextureFormat.R8G8B8A8,
|
||||
TextureUsageFlags.ColorTarget | TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
for (int i = 0; i < 3; i += 1)
|
||||
{
|
||||
if (YUVTextures[i] != null)
|
||||
{
|
||||
YUVTextures[i].Dispose();
|
||||
}
|
||||
}
|
||||
|
||||
YUVTextures[0] = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) Video.YWidth,
|
||||
(uint) Video.YHeight,
|
||||
TextureFormat.R8,
|
||||
TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
YUVTextures[1] = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) Video.UVWidth,
|
||||
(uint) Video.UVHeight,
|
||||
TextureFormat.R8,
|
||||
TextureUsageFlags.Sampler
|
||||
);
|
||||
|
||||
YUVTextures[2] = Texture.CreateTexture2D(
|
||||
GraphicsDevice,
|
||||
(uint) Video.UVWidth,
|
||||
(uint) Video.UVHeight,
|
||||
TextureFormat.R8,
|
||||
TextureUsageFlags.Sampler
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
public void Play(bool loop = false)
|
||||
{
|
||||
if (State == VideoState.Playing)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Loop = loop;
|
||||
timer.Start();
|
||||
|
||||
State = VideoState.Playing;
|
||||
}
|
||||
|
||||
public void Pause()
|
||||
{
|
||||
if (State == VideoState.Paused)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
timer.Stop();
|
||||
|
||||
State = VideoState.Paused;
|
||||
}
|
||||
|
||||
public void Stop()
|
||||
{
|
||||
if (State == VideoState.Stopped)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
timer.Stop();
|
||||
timer.Reset();
|
||||
|
||||
Theorafile.tf_reset(Video.Handle);
|
||||
|
||||
State = VideoState.Stopped;
|
||||
}
|
||||
|
||||
public Texture GetTexture()
|
||||
{
|
||||
if (Video == null)
|
||||
{
|
||||
throw new InvalidOperationException();
|
||||
}
|
||||
|
||||
if (State == VideoState.Stopped || Video.Handle == IntPtr.Zero || Theorafile.tf_hasvideo(Video.Handle) == 0)
|
||||
{
|
||||
return RenderTexture;
|
||||
}
|
||||
|
||||
int thisFrame = (int) (timer.Elapsed.TotalMilliseconds / (1000.0 / Video.FramesPerSecond));
|
||||
if (thisFrame > currentFrame)
|
||||
{
|
||||
if (Theorafile.tf_readvideo(
|
||||
Video.Handle,
|
||||
(IntPtr) yuvData,
|
||||
thisFrame - currentFrame
|
||||
) == 1 || currentFrame == -1) {
|
||||
UpdateTexture();
|
||||
}
|
||||
|
||||
currentFrame = thisFrame;
|
||||
}
|
||||
|
||||
bool ended = Theorafile.tf_eos(Video.Handle) == 1;
|
||||
if (ended)
|
||||
{
|
||||
timer.Stop();
|
||||
timer.Reset();
|
||||
|
||||
Theorafile.tf_reset(Video.Handle);
|
||||
|
||||
if (Loop)
|
||||
{
|
||||
// Start over!
|
||||
InitializeTheoraStream();
|
||||
|
||||
timer.Start();
|
||||
|
||||
}
|
||||
else
|
||||
{
|
||||
State = VideoState.Stopped;
|
||||
}
|
||||
}
|
||||
|
||||
return RenderTexture;
|
||||
}
|
||||
|
||||
private void InitializeTheoraStream()
|
||||
{
|
||||
// Grab the first video frame ASAP.
|
||||
while (Theorafile.tf_readvideo(Video.Handle, (IntPtr) yuvData, 1) == 0);
|
||||
|
||||
// Grab the first bit of audio. We're trying to start the decoding ASAP.
|
||||
if (Theorafile.tf_hasaudio(Video.Handle) == 1)
|
||||
{
|
||||
int channels, samplerate;
|
||||
Theorafile.tf_audioinfo(Video.Handle, out channels, out samplerate);
|
||||
|
||||
// TODO: audio stream
|
||||
}
|
||||
|
||||
currentFrame = -1;
|
||||
}
|
||||
|
||||
private void UpdateTexture()
|
||||
{
|
||||
var commandBuffer = GraphicsDevice.AcquireCommandBuffer();
|
||||
|
||||
commandBuffer.SetTextureDataYUV(
|
||||
YUVTextures[0],
|
||||
YUVTextures[1],
|
||||
YUVTextures[2],
|
||||
(IntPtr) yuvData,
|
||||
(uint) yuvDataLength
|
||||
);
|
||||
|
||||
commandBuffer.BeginRenderPass(
|
||||
new ColorAttachmentInfo(RenderTexture, Color.Black)
|
||||
);
|
||||
|
||||
commandBuffer.BindGraphicsPipeline(GraphicsDevice.VideoPipeline);
|
||||
commandBuffer.BindFragmentSamplers(
|
||||
new TextureSamplerBinding(YUVTextures[0], LinearSampler),
|
||||
new TextureSamplerBinding(YUVTextures[1], LinearSampler),
|
||||
new TextureSamplerBinding(YUVTextures[2], LinearSampler)
|
||||
);
|
||||
|
||||
commandBuffer.DrawPrimitives(0, 1, 0, 0);
|
||||
|
||||
commandBuffer.EndRenderPass();
|
||||
|
||||
GraphicsDevice.Submit(commandBuffer);
|
||||
}
|
||||
|
||||
protected virtual void Dispose(bool disposing)
|
||||
{
|
||||
if (!disposed)
|
||||
{
|
||||
if (disposing)
|
||||
{
|
||||
// dispose managed state (managed objects)
|
||||
RenderTexture.Dispose();
|
||||
YUVTextures[0].Dispose();
|
||||
YUVTextures[1].Dispose();
|
||||
YUVTextures[2].Dispose();
|
||||
}
|
||||
|
||||
// free unmanaged resources (unmanaged objects) and override finalizer
|
||||
|
||||
NativeMemory.Free(yuvData);
|
||||
disposed = true;
|
||||
}
|
||||
}
|
||||
|
||||
~VideoPlayer()
|
||||
{
|
||||
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
|
||||
Dispose(disposing: false);
|
||||
}
|
||||
|
||||
public void Dispose()
|
||||
{
|
||||
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
|
||||
Dispose(disposing: true);
|
||||
GC.SuppressFinalize(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue