public static VideoHandle Create(string uri, Action loaded, Action <string> error)
{
var handle = new VideoHandle();
var url = new NSUrl(uri);
handle.Asset = new AVUrlAsset(url, (AVUrlAssetOptions)null);
handle.Asset.LoadValuesAsynchronously(new string[] { "tracks" },
() => DispatchQueue.MainQueue.DispatchAsync(
() => {
NSError e;
var status = handle.Asset.StatusOfValue("tracks", out e);
if (status == AVKeyValueStatus.Loaded)
{
handle.Output = new AVPlayerItemVideoOutput(
new CVPixelBufferAttributes
{
PixelFormatType = CVPixelFormatType.CV32BGRA,
});
handle.PlayerItem = AVPlayerItem.FromAsset(handle.Asset);
handle.PlayerItem.AddOutput(handle.Output);
handle.Player = AVPlayer.FromPlayerItem(handle.PlayerItem);
PollReadyState(handle, loaded, error);
}
else
{
error("Failed to load: " + status.ToString());
}
}));
return(handle);
}
public static void Dispose(VideoHandle handle)
{
if (handle.AudioPlayer != null)
{
handle.AudioPlayer.Dispose();
}
if (handle.Player != null)
{
handle.Player.Dispose();
}
if (handle.PlayerItem != null)
{
handle.PlayerItem.Dispose();
}
if (handle.Output != null)
{
handle.Output.Dispose();
}
if (handle.Asset != null)
{
handle.Asset.Dispose();
}
}
/*public void UpdateTexture(int textureName)
* {
* GL.BindTexture(TextureTarget.Texture2D, textureName);
* PixelBufferImpl.CVPixelBufferLockBaseAddress(_handle, CVPixelBufferLockFlags.kCVPixelBufferLock_ReadOnly);
* GL.TexImage2D(
* TextureTarget.Texture2D,
* 0,
* PixelInternalFormat.Rgba,
* Width,
* Height,
* 0,
* PixelFormat.Bgra,
* PixelType.UnsignedByte,
* PixelBufferImpl.CVPixelBufferGetBaseAddress(_handle));
* PixelBufferImpl.CVPixelBufferUnlockBaseAddress(_handle, CVPixelBufferLockFlags.kCVPixelBufferLock_ReadOnly);
* }*/
public void UpdateTexture(int textureName, VideoHandle handle)
{
var width = Width;
var height = Height;
var bytesPerRow = BytesPerRow;
var actualBytesPerRow = width * 4;
PixelBufferImpl.CVPixelBufferLockBaseAddress(_handle, CVPixelBufferLockFlags.kCVPixelBufferLock_ReadOnly);
var baseAddress = PixelBufferImpl.CVPixelBufferGetBaseAddress(_handle);
var sourceAddress = baseAddress;
var sourceOffset = 0;
var destOffset = 0;
for (int y = 0; y < height; y++)
{
sourceOffset = y * bytesPerRow;
destOffset = y * actualBytesPerRow;
sourceAddress = new IntPtr(baseAddress.ToInt64() + (Int64)sourceOffset);
Marshal.Copy(sourceAddress, handle.Pixels, destOffset, actualBytesPerRow);
}
PixelBufferImpl.CVPixelBufferUnlockBaseAddress(_handle, CVPixelBufferLockFlags.kCVPixelBufferLock_ReadOnly);
var pinnedArray = GCHandle.Alloc(handle.Pixels, GCHandleType.Pinned);
GL.BindTexture(TextureTarget.Texture2D, textureName);
if (width != handle.WidthCache || height != handle.HeightCache)
{
handle.WidthCache = width;
handle.HeightCache = height;
GL.TexImage2D(
TextureTarget.Texture2D,
0,
PixelInternalFormat.Rgba,
width,
height,
0,
PixelFormat.Bgra,
PixelType.UnsignedByte,
pinnedArray.AddrOfPinnedObject());
}
else
{
GL.TexSubImage2D(
TextureTarget.Texture2D,
0,
0,
0,
width,
height,
PixelFormat.Bgra,
PixelType.UnsignedByte,
pinnedArray.AddrOfPinnedObject());
}
pinnedArray.Free();
}
public static void UpdateTexture(VideoHandle handle, System.Int32 textureHandle)
{
var pixelBufferSize = GetWidth(handle) * GetHeight(handle) * 4;
if (handle.Pixels == null || handle.Pixels.Length != pixelBufferSize)
{
handle.Pixels = new byte[pixelBufferSize];
}
var rt = new CMTime();
using (var buffer = CopyPixelBuffer(handle.Output, handle.PlayerItem.CurrentTime, ref rt))
buffer.UpdateTexture(textureHandle, handle);
}
public static int GetRotation(VideoHandle handle)
{
var degrees = 0;
var tracks = handle.Asset.Tracks;
foreach (var track in tracks)
{
if (track.MediaType.Equals(AVMediaType.Video))
{
var transform = track.PreferredTransform;
var angle = Math.Atan2(transform.yx, transform.xx);
degrees = (int)(angle * (180.0 / Math.PI));
break;
}
}
return(degrees);
}
static void PollReadyState(VideoHandle handle, Action ready, Action <string> error)
{
switch (handle.PlayerItem.Status)
{
case AVPlayerItemStatus.ReadyToPlay:
ready();
break;
case AVPlayerItemStatus.Failed:
error("Failed to load: " + handle.PlayerItem.Status.ToString());
break;
default:
DispatchQueue.MainQueue.DispatchAsync(() => PollReadyState(handle, ready, error));
break;
}
}
public static void Stop(VideoHandle handle)
{
Pause(handle);
SetPosition(handle, 0.0);
}
public static void SetVolume(VideoHandle handle, float volume)
{
handle.Player.Volume = volume;
}
public static float GetVolume(VideoHandle handle)
{
return(handle.Player.Volume);
}
public static int GetHeight(VideoHandle handle)
{
return(handle.PlayerItem.PresentationSize.ToSize().Height);
}
public static void Pause(VideoHandle handle)
{
handle.Player.Pause();
}
public static double GetDuration(VideoHandle handle)
{
return(handle.Asset.Duration.Seconds);
}
public static int GetHeight(VideoHandle handle)
{
return((int)handle.PlayerItem.PresentationSize.ToRoundedCGSize().Height);
}
public static int GetWidth(VideoHandle handle)
{
return((int)handle.PlayerItem.PresentationSize.ToRoundedCGSize().Width);
}
public static void SetPosition(VideoHandle handle, double position)
{
handle.PlayerItem.Seek(CMTime.FromSeconds(position, 1000));
}
public static double GetPosition(VideoHandle handle)
{
return(handle.PlayerItem.CurrentTime.Seconds);
}
public static void Play(VideoHandle handle)
{
handle.Player.Play();
}
public static bool HasNewPixelBuffer(VideoHandle handle)
{
return(handle.Output.HasNewPixelBufferForItemTime(handle.PlayerItem.CurrentTime));
}
MonoImpl(string uri, Action loaded, Action <string> error)
{
_handle = VideoImpl.Create(uri, loaded, error);
}
public static int GetWidth(VideoHandle handle)
{
return(handle.PlayerItem.PresentationSize.ToSize().Width);
}
