blob: d42f2268a284c1c95e97ee49a6bfa30bc447b75d [file] [log] [blame]
* Copyright (c) 2013 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 <memory>
#include <string>
#include <vector>
#include "webrtc/api/video/video_frame.h"
#include "webrtc/media/base/videosourceinterface.h"
#include "webrtc/rtc_base/criticalsection.h"
#include "webrtc/typedefs.h"
namespace webrtc {
class Clock;
namespace test {
// FrameForwarder can be used as an implementation
// of rtc::VideoSourceInterface<VideoFrame> where the caller controls when
// a frame should be forwarded to its sink.
// Currently this implementation only support one sink.
class FrameForwarder : public rtc::VideoSourceInterface<VideoFrame> {
virtual ~FrameForwarder();
// Forwards |video_frame| to the registered |sink_|.
virtual void IncomingCapturedFrame(const VideoFrame& video_frame);
rtc::VideoSinkWants sink_wants() const;
bool has_sinks() const;
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
rtc::CriticalSection crit_;
rtc::VideoSinkInterface<VideoFrame>* sink_ RTC_GUARDED_BY(crit_);
rtc::VideoSinkWants sink_wants_ RTC_GUARDED_BY(crit_);
class FrameGenerator {
virtual ~FrameGenerator() = default;
// Returns video frame that remains valid until next call.
virtual VideoFrame* NextFrame() = 0;
// Change the capture resolution.
virtual void ChangeResolution(size_t width, size_t height) {
// Creates a frame generator that produces frames with small squares that
// move randomly towards the lower right corner.
static std::unique_ptr<FrameGenerator> CreateSquareGenerator(int width,
int height);
// Creates a frame generator that repeatedly plays a set of yuv files.
// The frame_repeat_count determines how many times each frame is shown,
// with 1 = show each frame once, etc.
static std::unique_ptr<FrameGenerator> CreateFromYuvFile(
std::vector<std::string> files,
size_t width,
size_t height,
int frame_repeat_count);
// Creates a frame generator which takes a set of yuv files (wrapping a
// frame generator created by CreateFromYuvFile() above), but outputs frames
// that have been cropped to specified resolution: source_width/source_height
// is the size of the source images, target_width/target_height is the size of
// the cropped output. For each source image read, the cropped viewport will
// be scrolled top to bottom/left to right for scroll_tim_ms milliseconds.
// After that the image will stay in place for pause_time_ms milliseconds,
// and then this will be repeated with the next file from the input set.
static std::unique_ptr<FrameGenerator> CreateScrollingInputFromYuvFiles(
Clock* clock,
std::vector<std::string> filenames,
size_t source_width,
size_t source_height,
size_t target_width,
size_t target_height,
int64_t scroll_time_ms,
int64_t pause_time_ms);
// Creates a frame generator that produces randomly generated slides.
// frame_repeat_count determines how many times each slide is shown.
static std::unique_ptr<FrameGenerator> CreateSlideGenerator(
int width, int height, int frame_repeat_count);
} // namespace test
} // namespace webrtc