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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/libwebrtc/webrtc/media/base/fakevideocapturer.h | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/webrtc/media/base/fakevideocapturer.h')
-rw-r--r-- | third_party/libwebrtc/webrtc/media/base/fakevideocapturer.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/third_party/libwebrtc/webrtc/media/base/fakevideocapturer.h b/third_party/libwebrtc/webrtc/media/base/fakevideocapturer.h new file mode 100644 index 0000000000..536fe16356 --- /dev/null +++ b/third_party/libwebrtc/webrtc/media/base/fakevideocapturer.h @@ -0,0 +1,152 @@ +/* + * Copyright (c) 2004 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. + */ + +#ifndef MEDIA_BASE_FAKEVIDEOCAPTURER_H_ +#define MEDIA_BASE_FAKEVIDEOCAPTURER_H_ + +#include <string.h> + +#include <memory> +#include <vector> + +#include "api/video/i420_buffer.h" +#include "api/video/video_frame.h" +#include "media/base/videocapturer.h" +#include "media/base/videocommon.h" +#include "rtc_base/timeutils.h" + +namespace cricket { + +// Fake video capturer that allows the test to manually pump in frames. +class FakeVideoCapturer : public cricket::VideoCapturer { + public: + explicit FakeVideoCapturer(bool is_screencast) + : running_(false), + initial_timestamp_(rtc::TimeNanos()), + next_timestamp_(rtc::kNumNanosecsPerMillisec), + is_screencast_(is_screencast), + rotation_(webrtc::kVideoRotation_0) { + // Default supported formats. Use ResetSupportedFormats to over write. + std::vector<cricket::VideoFormat> formats; + formats.push_back(cricket::VideoFormat(1280, 720, + cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); + formats.push_back(cricket::VideoFormat(640, 480, + cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); + formats.push_back(cricket::VideoFormat(320, 240, + cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); + formats.push_back(cricket::VideoFormat(160, 120, + cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); + formats.push_back(cricket::VideoFormat(1280, 720, + cricket::VideoFormat::FpsToInterval(60), cricket::FOURCC_I420)); + ResetSupportedFormats(formats); + } + FakeVideoCapturer() : FakeVideoCapturer(false) {} + + ~FakeVideoCapturer() { + SignalDestroyed(this); + } + + void ResetSupportedFormats(const std::vector<cricket::VideoFormat>& formats) { + SetSupportedFormats(formats); + } + bool CaptureFrame() { + if (!GetCaptureFormat()) { + return false; + } + return CaptureCustomFrame(GetCaptureFormat()->width, + GetCaptureFormat()->height, + GetCaptureFormat()->interval, + GetCaptureFormat()->fourcc); + } + bool CaptureCustomFrame(int width, int height, uint32_t fourcc) { + // Default to 30fps. + return CaptureCustomFrame(width, height, rtc::kNumNanosecsPerSec / 30, + fourcc); + } + bool CaptureCustomFrame(int width, + int height, + int64_t timestamp_interval, + uint32_t fourcc) { + if (!running_) { + return false; + } + RTC_CHECK(fourcc == FOURCC_I420); + RTC_CHECK(width > 0); + RTC_CHECK(height > 0); + + int adapted_width; + int adapted_height; + int crop_width; + int crop_height; + int crop_x; + int crop_y; + + // TODO(nisse): It's a bit silly to have this logic in a fake + // class. Child classes of VideoCapturer are expected to call + // AdaptFrame, and the test case + // VideoCapturerTest.SinkWantsMaxPixelAndMaxPixelCountStepUp + // depends on this. + if (AdaptFrame(width, height, + next_timestamp_ / rtc::kNumNanosecsPerMicrosec, + next_timestamp_ / rtc::kNumNanosecsPerMicrosec, + &adapted_width, &adapted_height, &crop_width, &crop_height, + &crop_x, &crop_y, nullptr)) { + rtc::scoped_refptr<webrtc::I420Buffer> buffer( + webrtc::I420Buffer::Create(adapted_width, adapted_height)); + buffer->InitializeData(); + + OnFrame(webrtc::VideoFrame( + buffer, rotation_, + next_timestamp_ / rtc::kNumNanosecsPerMicrosec), + width, height); + } + next_timestamp_ += timestamp_interval; + + return true; + } + + sigslot::signal1<FakeVideoCapturer*> SignalDestroyed; + + cricket::CaptureState Start(const cricket::VideoFormat& format) override { + SetCaptureFormat(&format); + running_ = true; + SetCaptureState(cricket::CS_RUNNING); + return cricket::CS_RUNNING; + } + void Stop() override { + running_ = false; + SetCaptureFormat(NULL); + SetCaptureState(cricket::CS_STOPPED); + } + bool IsRunning() override { return running_; } + bool IsScreencast() const override { return is_screencast_; } + bool GetPreferredFourccs(std::vector<uint32_t>* fourccs) override { + fourccs->push_back(cricket::FOURCC_I420); + fourccs->push_back(cricket::FOURCC_MJPG); + return true; + } + + void SetRotation(webrtc::VideoRotation rotation) { + rotation_ = rotation; + } + + webrtc::VideoRotation GetRotation() { return rotation_; } + + private: + bool running_; + int64_t initial_timestamp_; + int64_t next_timestamp_; + const bool is_screencast_; + webrtc::VideoRotation rotation_; +}; + +} // namespace cricket + +#endif // MEDIA_BASE_FAKEVIDEOCAPTURER_H_ |