c20978e581
NOPRESUBMIT=True # cpplint errors that aren't caused by this CL. NOTRY=True NOTREECHECKS=True TBR=kwiberg@webrtc.org, kjellander@webrtc.org Bug: webrtc:7634 Change-Id: I3cca0fbaa807b563c95979cccd6d1bec32055f36 Reviewed-on: https://chromium-review.googlesource.com/562156 Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18919}
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/test/video_capturer.h"
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#include "webrtc/rtc_base/basictypes.h"
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#include "webrtc/rtc_base/constructormagic.h"
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namespace webrtc {
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namespace test {
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VideoCapturer::VideoCapturer() : video_adapter_(new cricket::VideoAdapter()) {}
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VideoCapturer::~VideoCapturer() {}
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rtc::Optional<VideoFrame> VideoCapturer::AdaptFrame(const VideoFrame& frame) {
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int cropped_width = 0;
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int cropped_height = 0;
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int out_width = 0;
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int out_height = 0;
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if (!video_adapter_->AdaptFrameResolution(
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frame.width(), frame.height(), frame.timestamp_us() * 1000,
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&cropped_width, &cropped_height, &out_width, &out_height)) {
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// Drop frame in order to respect frame rate constraint.
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return rtc::Optional<VideoFrame>();
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}
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rtc::Optional<VideoFrame> out_frame;
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if (out_height != frame.height() || out_width != frame.width()) {
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// Video adapter has requested a down-scale. Allocate a new buffer and
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// return scaled version.
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rtc::scoped_refptr<I420Buffer> scaled_buffer =
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I420Buffer::Create(out_width, out_height);
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scaled_buffer->ScaleFrom(*frame.video_frame_buffer()->ToI420());
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out_frame.emplace(
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VideoFrame(scaled_buffer, kVideoRotation_0, frame.timestamp_us()));
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} else {
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// No adaptations needed, just return the frame as is.
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out_frame.emplace(frame);
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}
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return out_frame;
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}
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void VideoCapturer::AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
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const rtc::VideoSinkWants& wants) {
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video_adapter_->OnResolutionFramerateRequest(
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wants.target_pixel_count, wants.max_pixel_count, wants.max_framerate_fps);
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}
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} // namespace test
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} // namespace webrtc
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