//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//

#import <AVFoundation/AVFoundation.h>
#import <Foundation/Foundation.h>

namespace tgvoip
{
namespace video
{
    class VideoRenderer;
}
}

typedef NS_ENUM(int, TGVStreamPauseReason) {
    TGVStreamPauseReasonBackground,
    TGVStreamPauseReasonPoorConnection
};

typedef NS_ENUM(int, TGVStreamStopReason) {
    TGVStreamStopReasonUser,
    TGVStreamStopReasonPoorConnection
};

@protocol TGVVideoRendererDelegate <NSObject>

- (void)incomingVideoRotationDidChange:(int)rotation;
- (void)incomingVideoStreamWillStartWithFrameSize:(CGSize)size;
- (void)incomingVideoStreamDidStopWithReason:(TGVStreamStopReason)reason;
- (void)incomingVideoStreamDidPauseWithReason:(TGVStreamPauseReason)reason;
- (void)incomingVideoStreamWillResume;

@end

@interface TGVVideoRenderer : NSObject

- (instancetype)initWithDisplayLayer:(AVSampleBufferDisplayLayer*)layer delegate:(id<TGVVideoRendererDelegate>)delegate;
- (tgvoip::video::VideoRenderer*)nativeVideoRenderer;

- (void)_enqueueBuffer:(CMSampleBufferRef)buffer reset:(BOOL)reset;
- (void)_setSizeWidth:(std::uint16_t)width height:(std::uint16_t)height;
- (void)_setRotation:(std::uint16_t)rotation;
- (void)_setStopped;
- (void)_setPaused;
- (void)_setResumed;

@end