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| 1 /* |
| 2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #import "RTCOpenGLDefines.h" |
| 12 |
| 13 @class RTCVideoFrame; |
| 14 |
| 15 @protocol RTCShader <NSObject> |
| 16 |
| 17 - (BOOL)drawFrame:(RTCVideoFrame *)frame; |
| 18 |
| 19 @end |
| 20 |
| 21 // Shader for non-native I420 frames. |
| 22 @interface RTCI420Shader : NSObject <RTCShader> |
| 23 |
| 24 - (instancetype)init NS_UNAVAILABLE; |
| 25 - (instancetype)initWithContext:(GlContextType *)context NS_DESIGNATED_INITIALIZ
ER; |
| 26 - (BOOL)drawFrame:(RTCVideoFrame *)frame; |
| 27 |
| 28 @end |
| 29 |
| 30 // Native CVPixelBufferRef rendering is only supported on iPhone because it |
| 31 // depends on CVOpenGLESTextureCacheCreate. |
| 32 #if TARGET_OS_IPHONE |
| 33 |
| 34 // Shader for native NV12 frames. |
| 35 @interface RTCNativeNV12Shader : NSObject <RTCShader> |
| 36 |
| 37 - (instancetype)init NS_UNAVAILABLE; |
| 38 - (instancetype)initWithContext:(GlContextType *)context NS_DESIGNATED_INITIALIZ
ER; |
| 39 - (BOOL)drawFrame:(RTCVideoFrame *)frame; |
| 40 |
| 41 @end |
| 42 |
| 43 #endif // TARGET_OS_IPHONE |
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