88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2018 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 "media/base/fake_frame_source.h"
|
||
|
|
|
||
|
|
#include "api/scoped_refptr.h"
|
||
|
|
#include "api/video/i420_buffer.h"
|
||
|
|
#include "api/video/video_frame_buffer.h"
|
||
|
|
#include "rtc_base/checks.h"
|
||
|
|
#include "rtc_base/time_utils.h"
|
||
|
|
|
||
|
|
namespace cricket {
|
||
|
|
|
||
|
|
FakeFrameSource::FakeFrameSource(int width,
|
||
|
|
int height,
|
||
|
|
int interval_us,
|
||
|
|
int64_t timestamp_offset_us)
|
||
|
|
: width_(width),
|
||
|
|
height_(height),
|
||
|
|
interval_us_(interval_us),
|
||
|
|
next_timestamp_us_(timestamp_offset_us) {
|
||
|
|
RTC_CHECK_GT(width_, 0);
|
||
|
|
RTC_CHECK_GT(height_, 0);
|
||
|
|
RTC_CHECK_GT(interval_us_, 0);
|
||
|
|
RTC_CHECK_GE(next_timestamp_us_, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
FakeFrameSource::FakeFrameSource(int width, int height, int interval_us)
|
||
|
|
: FakeFrameSource(width, height, interval_us, rtc::TimeMicros()) {}
|
||
|
|
|
||
|
|
webrtc::VideoRotation FakeFrameSource::GetRotation() const {
|
||
|
|
return rotation_;
|
||
|
|
}
|
||
|
|
|
||
|
|
void FakeFrameSource::SetRotation(webrtc::VideoRotation rotation) {
|
||
|
|
rotation_ = rotation;
|
||
|
|
}
|
||
|
|
|
||
|
|
webrtc::VideoFrame FakeFrameSource::GetFrameRotationApplied() {
|
||
|
|
switch (rotation_) {
|
||
|
|
case webrtc::kVideoRotation_0:
|
||
|
|
case webrtc::kVideoRotation_180:
|
||
|
|
return GetFrame(width_, height_, webrtc::kVideoRotation_0, interval_us_);
|
||
|
|
case webrtc::kVideoRotation_90:
|
||
|
|
case webrtc::kVideoRotation_270:
|
||
|
|
return GetFrame(height_, width_, webrtc::kVideoRotation_0, interval_us_);
|
||
|
|
}
|
||
|
|
RTC_NOTREACHED() << "Invalid rotation value: " << static_cast<int>(rotation_);
|
||
|
|
// Without this return, the Windows Visual Studio compiler complains
|
||
|
|
// "not all control paths return a value".
|
||
|
|
return GetFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
webrtc::VideoFrame FakeFrameSource::GetFrame() {
|
||
|
|
return GetFrame(width_, height_, rotation_, interval_us_);
|
||
|
|
}
|
||
|
|
|
||
|
|
webrtc::VideoFrame FakeFrameSource::GetFrame(int width,
|
||
|
|
int height,
|
||
|
|
webrtc::VideoRotation rotation,
|
||
|
|
int interval_us) {
|
||
|
|
RTC_CHECK_GT(width, 0);
|
||
|
|
RTC_CHECK_GT(height, 0);
|
||
|
|
RTC_CHECK_GT(interval_us, 0);
|
||
|
|
|
||
|
|
rtc::scoped_refptr<webrtc::I420Buffer> buffer(
|
||
|
|
webrtc::I420Buffer::Create(width, height));
|
||
|
|
|
||
|
|
buffer->InitializeData();
|
||
|
|
webrtc::VideoFrame frame = webrtc::VideoFrame::Builder()
|
||
|
|
.set_video_frame_buffer(buffer)
|
||
|
|
.set_rotation(rotation)
|
||
|
|
.set_timestamp_us(next_timestamp_us_)
|
||
|
|
.build();
|
||
|
|
|
||
|
|
next_timestamp_us_ += interval_us;
|
||
|
|
return frame;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace cricket
|