DebugViewProvider (ExoPlayer library)

```
public interface DebugViewProvider
```
Provider for views to show diagnostic information during a transformation, for debugging.

Field Summary

Fields
Modifier and Type Field Description

static DebugViewProvider NONE
Debug view provider that doesn't show any debug info.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`SurfaceView`	`getDebugPreviewSurfaceView(int width, int height)`	Returns a new surface view to show a preview of transformer output with the given width/height in pixels, or `null` if no debug information should be shown.

- Field Detail
  - NONE
```
static final DebugViewProvider NONE
```
    Debug view provider that doesn't show any debug info.
- Method Detail
  - getDebugPreviewSurfaceView
```
@Nullable
SurfaceView getDebugPreviewSurfaceView(int width,
                                       int height)
```
    Returns a new surface view to show a preview of transformer output with the given width/height in pixels, or null if no debug information should be shown.
    This method may be called on an arbitrary thread.