| /* |
| * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_API_VIDEO_VIDEO_FRAME_BUFFER_H_ |
| #define WEBRTC_API_VIDEO_VIDEO_FRAME_BUFFER_H_ |
| |
| #include <stdint.h> |
| |
| #include "webrtc/base/refcount.h" |
| #include "webrtc/base/scoped_ref_ptr.h" |
| |
| namespace webrtc { |
| |
| // Interface of a simple frame buffer containing pixel data. This interface does |
| // not contain any frame metadata such as rotation, timestamp, pixel_width, etc. |
| class VideoFrameBuffer : public rtc::RefCountInterface { |
| public: |
| // The resolution of the frame in pixels. For formats where some planes are |
| // subsampled, this is the highest-resolution plane. |
| virtual int width() const = 0; |
| virtual int height() const = 0; |
| |
| // Returns pointer to the pixel data for a given plane. The memory is owned by |
| // the VideoFrameBuffer object and must not be freed by the caller. |
| virtual const uint8_t* DataY() const = 0; |
| virtual const uint8_t* DataU() const = 0; |
| virtual const uint8_t* DataV() const = 0; |
| |
| // Returns the number of bytes between successive rows for a given plane. |
| virtual int StrideY() const = 0; |
| virtual int StrideU() const = 0; |
| virtual int StrideV() const = 0; |
| |
| // Return the handle of the underlying video frame. This is used when the |
| // frame is backed by a texture. |
| virtual void* native_handle() const = 0; |
| |
| // Returns a new memory-backed frame buffer converted from this buffer's |
| // native handle. |
| virtual rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() = 0; |
| |
| protected: |
| ~VideoFrameBuffer() override {} |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_API_VIDEO_VIDEO_FRAME_BUFFER_H_ |