Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm

-/*
- *  Copyright (c) 2017 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.
- */
-
-#include "webrtc/sdk/objc/Framework/Classes/objcvideotracksource.h"
-
-#import "RTCVideoFrame+Private.h"
-
-#include "webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h"
-
-namespace webrtc {
-
-ObjcVideoTrackSource::ObjcVideoTrackSource() {}
-
-void ObjcVideoTrackSource::OnOutputFormatRequest(int width, int height, int fps) {
-  cricket::VideoFormat format(width, height, cricket::VideoFormat::FpsToInterval(fps), 0);
-  video_adapter()->OnOutputFormatRequest(format);
-}
-
-void ObjcVideoTrackSource::OnCapturedFrame(RTCVideoFrame* frame) {
-  const int64_t timestamp_us = frame.timeStampNs / rtc::kNumNanosecsPerMicrosec;
-  const int64_t translated_timestamp_us =
-      timestamp_aligner_.TranslateTimestamp(timestamp_us, rtc::TimeMicros());
-
-  int adapted_width;
-  int adapted_height;
-  int crop_width;
-  int crop_height;
-  int crop_x;
-  int crop_y;
-  if (!AdaptFrame(frame.width, frame.height, timestamp_us, &adapted_width, &adapted_height,
-                  &crop_width, &crop_height, &crop_x, &crop_y)) {
-    return;
-  }
-
-  rtc::scoped_refptr<VideoFrameBuffer> buffer;
-  if (adapted_width == frame.width && adapted_height == frame.height) {
-    // No adaption - optimized path.
-    buffer = frame.videoBuffer;
-  } else if (frame.nativeHandle) {
-    // Adapted CVPixelBuffer frame.
-    buffer = new rtc::RefCountedObject<CoreVideoFrameBuffer>(
-        static_cast<CVPixelBufferRef>(frame.nativeHandle), adapted_width, adapted_height,
-        crop_width, crop_height, crop_x, crop_y);
-  } else {
-    // Adapted I420 frame.
-    // TODO(magjed): Optimize this I420 path.
-    rtc::scoped_refptr<I420Buffer> i420_buffer = I420Buffer::Create(adapted_width, adapted_height);
-    i420_buffer->CropAndScaleFrom(*frame.videoBuffer, crop_x, crop_y, crop_width, crop_height);
-    buffer = i420_buffer;
-  }
-
-  // Applying rotation is only supported for legacy reasons and performance is
-  // not critical here.
-  webrtc::VideoRotation rotation = static_cast<webrtc::VideoRotation>(frame.rotation);
-  if (apply_rotation() && rotation != kVideoRotation_0) {
-    buffer = I420Buffer::Rotate(buffer->NativeToI420Buffer(), rotation);
-    rotation = kVideoRotation_0;
-  }
-
-  OnFrame(webrtc::VideoFrame(buffer, rotation, translated_timestamp_us));
-}
-
-}  // namespace webrtc