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Unified Diff: webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm

Issue 2890513002: Revert of Split iOS sdk in to separate targets (Closed)
Patch Set: Created 3 years, 7 months ago
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Index: webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm
diff --git a/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm b/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm
new file mode 100644
index 0000000000000000000000000000000000000000..fc71085ca748a6b5f5f31231b084373b448bfd70
--- /dev/null
+++ b/webrtc/sdk/objc/Framework/Classes/objcvideotracksource.mm
@@ -0,0 +1,71 @@
+/*
+ * 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/api/video/i420_buffer.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

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