xref: /aosp_15_r20/external/webrtc/sdk/objc/native/src/objc_frame_buffer.h (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1 /*
2  *  Copyright 2017 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 #ifndef SDK_OBJC_NATIVE_SRC_OBJC_FRAME_BUFFER_H_
12 #define SDK_OBJC_NATIVE_SRC_OBJC_FRAME_BUFFER_H_
13 
14 #import <CoreVideo/CoreVideo.h>
15 
16 #import "base/RTCMacros.h"
17 
18 #include "common_video/include/video_frame_buffer.h"
19 
20 @protocol RTC_OBJC_TYPE
21 (RTCVideoFrameBuffer);
22 
23 namespace webrtc {
24 
25 class ObjCFrameBuffer : public VideoFrameBuffer {
26  public:
27   explicit ObjCFrameBuffer(id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)>);
28   ~ObjCFrameBuffer() override;
29 
30   Type type() const override;
31 
32   int width() const override;
33   int height() const override;
34 
35   rtc::scoped_refptr<I420BufferInterface> ToI420() override;
36   rtc::scoped_refptr<VideoFrameBuffer> CropAndScale(int offset_x,
37                                                     int offset_y,
38                                                     int crop_width,
39                                                     int crop_height,
40                                                     int scaled_width,
41                                                     int scaled_height) override;
42 
43   id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)> wrapped_frame_buffer() const;
44 
45  private:
46   id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)> frame_buffer_;
47   int width_;
48   int height_;
49 };
50 
51 id<RTC_OBJC_TYPE(RTCVideoFrameBuffer)> ToObjCVideoFrameBuffer(
52     const rtc::scoped_refptr<VideoFrameBuffer>& buffer);
53 
54 }  // namespace webrtc
55 
56 #endif  // SDK_OBJC_NATIVE_SRC_OBJC_FRAME_BUFFER_H_
57