106 строки
2.7 KiB
C
106 строки
2.7 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2012 The WebM 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 TEST_Y4M_VIDEO_SOURCE_H_
|
||
|
|
#define TEST_Y4M_VIDEO_SOURCE_H_
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "test/video_source.h"
|
||
|
|
#include "./y4minput.h"
|
||
|
|
|
||
|
|
namespace libvpx_test {
|
||
|
|
|
||
|
|
// This class extends VideoSource to allow parsing of raw yv12
|
||
|
|
// so that we can do actual file encodes.
|
||
|
|
class Y4mVideoSource : public VideoSource {
|
||
|
|
public:
|
||
|
|
Y4mVideoSource(const std::string &file_name,
|
||
|
|
unsigned int start, int limit)
|
||
|
|
: file_name_(file_name),
|
||
|
|
input_file_(NULL),
|
||
|
|
img_(new vpx_image_t()),
|
||
|
|
start_(start),
|
||
|
|
limit_(limit),
|
||
|
|
frame_(0),
|
||
|
|
framerate_numerator_(0),
|
||
|
|
framerate_denominator_(0),
|
||
|
|
y4m_() {
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual ~Y4mVideoSource() {
|
||
|
|
vpx_img_free(img_.get());
|
||
|
|
y4m_input_close(&y4m_);
|
||
|
|
if (input_file_)
|
||
|
|
fclose(input_file_);
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void Begin() {
|
||
|
|
if (input_file_)
|
||
|
|
fclose(input_file_);
|
||
|
|
input_file_ = OpenTestDataFile(file_name_);
|
||
|
|
ASSERT_TRUE(input_file_ != NULL) << "Input file open failed. Filename: "
|
||
|
|
<< file_name_;
|
||
|
|
|
||
|
|
y4m_input_open(&y4m_, input_file_, NULL, 0, 0);
|
||
|
|
framerate_numerator_ = y4m_.fps_n;
|
||
|
|
framerate_denominator_ = y4m_.fps_d;
|
||
|
|
|
||
|
|
frame_ = 0;
|
||
|
|
for (unsigned int i = 0; i < start_; i++) {
|
||
|
|
Next();
|
||
|
|
}
|
||
|
|
|
||
|
|
FillFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual void Next() {
|
||
|
|
++frame_;
|
||
|
|
FillFrame();
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual vpx_image_t *img() const {
|
||
|
|
return (frame_ < limit_) ? img_.get() : NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Models a stream where Timebase = 1/FPS, so pts == frame.
|
||
|
|
virtual vpx_codec_pts_t pts() const { return frame_; }
|
||
|
|
|
||
|
|
virtual unsigned long duration() const { return 1; }
|
||
|
|
|
||
|
|
virtual vpx_rational_t timebase() const {
|
||
|
|
const vpx_rational_t t = { framerate_denominator_, framerate_numerator_ };
|
||
|
|
return t;
|
||
|
|
}
|
||
|
|
|
||
|
|
virtual unsigned int frame() const { return frame_; }
|
||
|
|
|
||
|
|
virtual unsigned int limit() const { return limit_; }
|
||
|
|
|
||
|
|
virtual void FillFrame() {
|
||
|
|
ASSERT_TRUE(input_file_ != NULL);
|
||
|
|
// Read a frame from input_file.
|
||
|
|
y4m_input_fetch_frame(&y4m_, input_file_, img_.get());
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
std::string file_name_;
|
||
|
|
FILE *input_file_;
|
||
|
|
testing::internal::scoped_ptr<vpx_image_t> img_;
|
||
|
|
unsigned int start_;
|
||
|
|
unsigned int limit_;
|
||
|
|
unsigned int frame_;
|
||
|
|
int framerate_numerator_;
|
||
|
|
int framerate_denominator_;
|
||
|
|
y4m_input y4m_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace libvpx_test
|
||
|
|
|
||
|
|
#endif // TEST_Y4M_VIDEO_SOURCE_H_
|