Build dynamic iOS SDK.

webrtc/api/objc/RTCVideoFrame.mm

-/*
- *  Copyright 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.
- */
-
-#import "RTCVideoFrame.h"
-
-#include "webrtc/base/scoped_ptr.h"
-
-#import "webrtc/api/objc/RTCVideoFrame+Private.h"
-
-@implementation RTCVideoFrame {
-  rtc::scoped_ptr<cricket::VideoFrame> _videoFrame;
-  rtc::scoped_refptr<webrtc::VideoFrameBuffer> _i420Buffer;
-}
-
-- (size_t)width {
-  return _videoFrame->width();
-}
-
-- (size_t)height {
-  return _videoFrame->height();
-}
-
-// TODO(nisse): chromaWidth and chromaHeight are used only in
-// RTCOpenGLVideoRenderer.mm. Update, and then delete these
-// properties.
-- (size_t)chromaWidth {
-  return (self.width + 1) / 2;
-}
-
-- (size_t)chromaHeight {
-  return (self.height + 1) / 2;
-}
-
-- (const uint8_t *)yPlane {
-  if (!self.i420Buffer) {
-    return nullptr;
-  }
-  return self.i420Buffer->data(webrtc::kYPlane);
-}
-
-- (const uint8_t *)uPlane {
-  if (!self.i420Buffer) {
-    return nullptr;
-  }
-  return self.i420Buffer->data(webrtc::kUPlane);
-}
-
-- (const uint8_t *)vPlane {
-  if (!self.i420Buffer) {
-    return nullptr;
-  }
-  return self.i420Buffer->data(webrtc::kVPlane);
-}
-
-- (int32_t)yPitch {
-  if (!self.i420Buffer) {
-    return 0;
-  }
-  return self.i420Buffer->stride(webrtc::kYPlane);
-}
-
-- (int32_t)uPitch {
-  if (!self.i420Buffer) {
-    return 0;
-  }
-  return self.i420Buffer->stride(webrtc::kUPlane);
-}
-
-- (int32_t)vPitch {
-  if (!self.i420Buffer) {
-    return 0;
-  }
-  return self.i420Buffer->stride(webrtc::kVPlane);
-}
-
-- (int64_t)timeStamp {
-  return _videoFrame->GetTimeStamp();
-}
-
-- (CVPixelBufferRef)nativeHandle {
-  return static_cast<CVPixelBufferRef>(_videoFrame->GetNativeHandle());
-}
-
-- (void)convertBufferIfNeeded {
-  if (!_i420Buffer) {
-    if (_videoFrame->GetNativeHandle()) {
-      // Convert to I420.
-      _i420Buffer = _videoFrame->video_frame_buffer()->NativeToI420Buffer();
-    } else {
-      // Should already be I420.
-      _i420Buffer = _videoFrame->video_frame_buffer();
-    }
-  }
-}
-
-#pragma mark - Private
-
-- (instancetype)initWithNativeFrame:(const cricket::VideoFrame *)nativeFrame {
-  if (self = [super init]) {
-    // Keep a shallow copy of the video frame. The underlying frame buffer is
-    // not copied.
-    _videoFrame.reset(nativeFrame->Copy());
-  }
-  return self;
-}
-
-- (rtc::scoped_refptr<webrtc::VideoFrameBuffer>)i420Buffer {
-  [self convertBufferIfNeeded];
-  return _i420Buffer;
-}
-
-@end