93 lines
2.9 KiB
C#
Executable File
93 lines
2.9 KiB
C#
Executable File
using UnityEngine;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Copyright 2015-2022 RenderHeads Ltd. All rights reserved.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
namespace RenderHeads.Media.AVProVideo
|
|
{
|
|
public partial class MediaPlayer : MonoBehaviour
|
|
{
|
|
|
|
#region Support for Time Scale
|
|
#if AVPROVIDEO_BETA_SUPPORT_TIMESCALE
|
|
// Adjust this value to get faster performance but may drop frames.
|
|
// Wait longer to ensure there is enough time for frames to process
|
|
private const float TimeScaleTimeoutMs = 20f;
|
|
private bool _timeScaleIsControlling;
|
|
private double _timeScaleVideoTime;
|
|
|
|
private void UpdateTimeScale()
|
|
{
|
|
if (Time.timeScale != 1f || Time.captureFramerate != 0)
|
|
{
|
|
if (_controlInterface.IsPlaying())
|
|
{
|
|
_controlInterface.Pause();
|
|
_timeScaleIsControlling = true;
|
|
_timeScaleVideoTime = _controlInterface.GetCurrentTime();
|
|
}
|
|
|
|
if (_timeScaleIsControlling)
|
|
{
|
|
// Progress time
|
|
_timeScaleVideoTime += Time.deltaTime;
|
|
|
|
// Handle looping
|
|
if (_controlInterface.IsLooping() && _timeScaleVideoTime >= Info.GetDuration())
|
|
{
|
|
// TODO: really we should seek to (_timeScaleVideoTime % Info.GetDuration())
|
|
_timeScaleVideoTime = 0.0;
|
|
}
|
|
|
|
int preSeekFrameCount = TextureProducer.GetTextureFrameCount();
|
|
|
|
// Seek to the new time
|
|
{
|
|
double preSeekTime = Control.GetCurrentTime();
|
|
|
|
// Seek
|
|
_controlInterface.Seek(_timeScaleVideoTime);
|
|
|
|
// Early out, if after the seek the time hasn't changed, the seek was probably too small to go to the next frame.
|
|
// TODO: This behaviour may be different on other platforms (not Windows) and needs more testing.
|
|
if (Mathf.Approximately((float)preSeekTime, (float)_controlInterface.GetCurrentTime()))
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Wait for the new frame to arrive
|
|
if (!_controlInterface.WaitForNextFrame(GetDummyCamera(), preSeekFrameCount))
|
|
{
|
|
// If WaitForNextFrame fails (e.g. in android single threaded), we run the below code to asynchronously wait for the frame
|
|
System.DateTime startTime = System.DateTime.Now;
|
|
int lastFrameCount = TextureProducer.GetTextureFrameCount();
|
|
|
|
while (_controlInterface != null && (System.DateTime.Now - startTime).TotalMilliseconds < (double)TimeScaleTimeoutMs)
|
|
{
|
|
_playerInterface.Update();
|
|
_playerInterface.Render();
|
|
GetDummyCamera().Render();
|
|
if (lastFrameCount != TextureProducer.GetTextureFrameCount())
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Restore playback when timeScale becomes 1
|
|
if (_timeScaleIsControlling)
|
|
{
|
|
_controlInterface.Play();
|
|
_timeScaleIsControlling = false;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
#endregion // Support for Time Scale
|
|
}
|
|
} |