65 lines
2.5 KiB
C
65 lines
2.5 KiB
C
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/*
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* Copyright (c) 2013 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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#ifndef WEBRTC_COMMON_VIDEO_TEST_FRAME_GENERATOR_H_
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#define WEBRTC_COMMON_VIDEO_TEST_FRAME_GENERATOR_H_
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#include <string>
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#include <vector>
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#include "webrtc/typedefs.h"
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#include "webrtc/video_frame.h"
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namespace webrtc {
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class Clock;
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namespace test {
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class FrameGenerator {
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public:
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FrameGenerator() {}
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virtual ~FrameGenerator() {}
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// Returns video frame that remains valid until next call.
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virtual VideoFrame* NextFrame() = 0;
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// Creates a test frame generator that creates fully saturated frames with
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// varying U, V values over time.
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static FrameGenerator* CreateChromaGenerator(size_t width, size_t height);
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// Creates a frame generator that repeatedly plays a set of yuv files.
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// The frame_repeat_count determines how many times each frame is shown,
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// with 1 = show each frame once, etc.
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static FrameGenerator* CreateFromYuvFile(std::vector<std::string> files,
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size_t width,
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size_t height,
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int frame_repeat_count);
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// Creates a frame generator which takes a set of yuv files (wrapping a
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// frame generator created by CreateFromYuvFile() above), but outputs frames
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// that have been cropped to specified resolution: source_width/source_height
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// is the size of the source images, target_width/target_height is the size of
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// the cropped output. For each source image read, the cropped viewport will
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// be scrolled top to bottom/left to right for scroll_tim_ms milliseconds.
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// After that the image will stay in place for pause_time_ms milliseconds,
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// and then this will be repeated with the next file from the input set.
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static FrameGenerator* CreateScrollingInputFromYuvFiles(
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Clock* clock,
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std::vector<std::string> filenames,
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size_t source_width,
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size_t source_height,
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size_t target_width,
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size_t target_height,
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int64_t scroll_time_ms,
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int64_t pause_time_ms);
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};
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} // namespace test
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} // namespace webrtc
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#endif // WEBRTC_COMMON_VIDEO_TEST_FRAME_GENERATOR_H_
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