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diff --git a/media/libaom/src/test/yuv_video_source.h b/media/libaom/src/test/yuv_video_source.h
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+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+#ifndef AOM_TEST_YUV_VIDEO_SOURCE_H_
+#define AOM_TEST_YUV_VIDEO_SOURCE_H_
+
+#include <cstdio>
+#include <cstdlib>
+#include <string>
+
+#include "test/video_source.h"
+#include "aom/aom_image.h"
+
+namespace libaom_test {
+
+// This class extends VideoSource to allow parsing of raw YUV
+// formats of various color sampling and bit-depths so that we can
+// do actual file encodes.
+class YUVVideoSource : public VideoSource {
+ public:
+ YUVVideoSource(const std::string &file_name, aom_img_fmt format,
+ unsigned int width, unsigned int height, int rate_numerator,
+ int rate_denominator, unsigned int start, int limit)
+ : file_name_(file_name), input_file_(NULL), img_(NULL), start_(start),
+ limit_(limit), frame_(0), width_(0), height_(0),
+ format_(AOM_IMG_FMT_NONE), framerate_numerator_(rate_numerator),
+ framerate_denominator_(rate_denominator) {
+ // This initializes format_, raw_size_, width_, height_ and allocates img.
+ SetSize(width, height, format);
+ }
+
+ virtual ~YUVVideoSource() {
+ aom_img_free(img_);
+ 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_;
+ if (start_)
+ fseek(input_file_, static_cast<unsigned>(raw_size_) * start_, SEEK_SET);
+
+ frame_ = start_;
+ FillFrame();
+ }
+
+ virtual void Next() {
+ ++frame_;
+ FillFrame();
+ }
+
+ virtual aom_image_t *img() const { return (frame_ < limit_) ? img_ : NULL; }
+
+ // Models a stream where Timebase = 1/FPS, so pts == frame.
+ virtual aom_codec_pts_t pts() const { return frame_; }
+
+ virtual unsigned long duration() const { return 1; }
+
+ virtual aom_rational_t timebase() const {
+ const aom_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 SetSize(unsigned int width, unsigned int height,
+ aom_img_fmt format) {
+ if (width != width_ || height != height_ || format != format_) {
+ aom_img_free(img_);
+ img_ = aom_img_alloc(NULL, format, width, height, 1);
+ ASSERT_TRUE(img_ != NULL);
+ width_ = width;
+ height_ = height;
+ format_ = format;
+ switch (format) {
+ case AOM_IMG_FMT_I420: raw_size_ = width * height * 3 / 2; break;
+ case AOM_IMG_FMT_I422: raw_size_ = width * height * 2; break;
+ case AOM_IMG_FMT_I444: raw_size_ = width * height * 3; break;
+ case AOM_IMG_FMT_I42016: raw_size_ = width * height * 3; break;
+ case AOM_IMG_FMT_I42216: raw_size_ = width * height * 4; break;
+ case AOM_IMG_FMT_I44416: raw_size_ = width * height * 6; break;
+ default: ASSERT_TRUE(0);
+ }
+ }
+ }
+
+ virtual void FillFrame() {
+ ASSERT_TRUE(input_file_ != NULL);
+ // Read a frame from input_file.
+ if (fread(img_->img_data, raw_size_, 1, input_file_) == 0) {
+ limit_ = frame_;
+ }
+ }
+
+ protected:
+ std::string file_name_;
+ FILE *input_file_;
+ aom_image_t *img_;
+ size_t raw_size_;
+ unsigned int start_;
+ unsigned int limit_;
+ unsigned int frame_;
+ unsigned int width_;
+ unsigned int height_;
+ aom_img_fmt format_;
+ int framerate_numerator_;
+ int framerate_denominator_;
+};
+
+} // namespace libaom_test
+
+#endif // AOM_TEST_YUV_VIDEO_SOURCE_H_