blob: fc3f3069986bb5729a93857be8f70c96c9159a9d [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 <string>
#include <vector>
#include "webrtc/base/criticalsection.h"
#include "webrtc/media/base/videosourceinterface.h"
#include "webrtc/typedefs.h"
#include "webrtc/video_frame.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> {
// Forwards |video_frame| to the registered |sink_|.
void IncomingCapturedFrame(const VideoFrame& video_frame);
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_ GUARDED_BY(crit_);
class FrameGenerator {
FrameGenerator() {}
virtual ~FrameGenerator() {}
// Returns video frame that remains valid until next call.
virtual VideoFrame* NextFrame() = 0;
// Creates a test frame generator that creates fully saturated frames with
// varying U, V values over time.
static FrameGenerator* CreateChromaGenerator(size_t width, size_t 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 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 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);
} // namespace test
} // namespace webrtc