private void CreateTextures(int width, int height, ChromaSubsampling chromaSubsampling)
{
int widthUV = width;
int heightUV = height;
if (chromaSubsampling == ChromaSubsampling._420)
{
heightUV = height / 2;
widthUV = width / 2;
}
else if (chromaSubsampling == ChromaSubsampling._422)
{
widthUV = width / 2;
}
_textureY = new Texture2D(width, height, _format, false);
_textureY.wrapMode = (_clampTextures == true ? TextureWrapMode.Clamp : TextureWrapMode.Repeat);
_textureY.Apply();
_textureU = new Texture2D(widthUV, heightUV, _format, false);
_textureU.wrapMode = (_clampTextures == true ? TextureWrapMode.Clamp : TextureWrapMode.Repeat);
_textureU.Apply();
_textureV = new Texture2D(widthUV, heightUV, _format, false);
_textureV.wrapMode = (_clampTextures == true ? TextureWrapMode.Clamp : TextureWrapMode.Repeat);
_textureV.Apply();
if (OnTexturesChanged != null)
{
foreach (TexturesChangedDelegate TexturesChanged in OnTexturesChanged.GetInvocationList())
{
try
{
TexturesChanged(this);
}
catch (Exception ex)
{
Debug.LogException(ex);
}
}
}
}
// This needs to be called before calling Play().
public void InitializePlayer(string filename, PathType videoPathType, float framerate, AudioClip audioClip, int maxQueue, StereoVideoMode stereoMode, bool invertLeftRight, bool videoIsUpsideDown, bool pauseAtStart = true, bool loopVideo = false)
{
// If player was already initialized, destroy the old instance:
if (_playerInstance != IntPtr.Zero)
{
_command.IssuePluginEventAndData(GetRenderEventFunc(), -1, _playerInstance); // -1 means destroy this player instance in the C++ plugin.
Graphics.ExecuteCommandBuffer(_command);
_command.Clear();
_playerInstance = IntPtr.Zero;
_playState = PlayState.UNINITIALIZED;
// In case the license only supports one video at a time, it is necessary to wait here for one frame.
// Else, if we immediately create a new sequencer, the old license is not yet return and the application is not allowed to create a "second one".
// This is not necessary, if the license does not have this limitation, so we do not wait for a frame here.
}
// Set player flags:
_pauseAtStart = pauseAtStart;
_filename = filename;
_videoPathType = videoPathType;
_loopVideo = loopVideo;
_framerate = Mathf.Max(1f, framerate); // framerate must not be 0.
_stereoMode = stereoMode;
_invertLeftRight = invertLeftRight;
_videoIsUpsideDown = videoIsUpsideDown;
_maxQueue = maxQueue;
// Create a player (sequencer) instance:
_playerInstance = CreateSequencer(AbsoluteFilePath, _numberOfThreads, _videoBufferSize, _maxQueue, _shouldLog);
int currentErrorCode = GetCurrentErrorCode();
if (currentErrorCode != 0)
{
Debug.LogError("Error Code " + currentErrorCode + " appeared after calling CreateSequencer.");
return;
}
int playersVideoWidth = GetVideoWidth();
int playersVideoHeight = GetVideoHeight();
ChromaSubsampling playersChromaSubsampling = (ChromaSubsampling)GetVideoChromaSubsampling();
// Check if textures need to be reinitialized with new width and height:
bool oldTexturesCanBeUsed = (_textureY != null && _textureY.width == playersVideoWidth && _textureY.height == playersVideoHeight && _chromaSubsampling == playersChromaSubsampling);
if (oldTexturesCanBeUsed == false || _textureY == null || _textureU == null || _textureV == null)
{
// Destroy Textures if they are already created and create new ones with the set width and height:
DestroyTextures();
CreateTextures(playersVideoWidth, playersVideoHeight, playersChromaSubsampling);
_chromaSubsampling = playersChromaSubsampling;
}
// Pass texture pointer to the plugin and initailize the player:
InitPlayer(_playerInstance, _textureY.GetNativeTexturePtr(), _textureU.GetNativeTexturePtr(), _textureV.GetNativeTexturePtr(), (int)_format);
_playState = PlayState.INITIALIZED;
// Load other audio clip:
if (_audioSrcVideo)
{
if (audioClip != null)
{
_audioSrcVideo.clip = audioClip;
}
}
}
