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/*
* 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.
*/
#include <climits>
#include <vector>
#include "test/encode_test_driver.h"
#include "test/video_source.h"
#include "third_party/googletest/src/include/gtest/gtest.h"
namespace {
const unsigned int kInitialWidth = 320;
const unsigned int kInitialHeight = 240;
unsigned int ScaleForFrameNumber(unsigned int frame, unsigned int val) {
if (frame < 10)
return val;
if (frame < 20)
return val / 2;
if (frame < 30)
return val * 2 / 3;
if (frame < 40)
return val / 4;
if (frame < 50)
return val * 7 / 8;
return val;
}
class ResizingVideoSource : public ::libvpx_test::DummyVideoSource {
public:
ResizingVideoSource() {
SetSize(kInitialWidth, kInitialHeight);
limit_ = 60;
}
protected:
virtual void Next() {
++frame_;
SetSize(ScaleForFrameNumber(frame_, kInitialWidth),
ScaleForFrameNumber(frame_, kInitialHeight));
FillFrame();
}
};
class ResizeTest : public ::libvpx_test::EncoderTest,
public ::testing::TestWithParam<enum libvpx_test::TestMode> {
protected:
struct FrameInfo {
FrameInfo(vpx_codec_pts_t _pts, unsigned int _w, unsigned int _h)
: pts(_pts), w(_w), h(_h) {}
vpx_codec_pts_t pts;
unsigned int w;
unsigned int h;
};
virtual void SetUp() {
InitializeConfig();
SetMode(GetParam());
}
virtual bool Continue() const {
return !HasFatalFailure() && !abort_;
}
virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
if (pkt->data.frame.flags & VPX_FRAME_IS_KEY) {
const unsigned char *buf =
reinterpret_cast<const unsigned char *>(pkt->data.frame.buf);
const unsigned int w = (buf[6] | (buf[7] << 8)) & 0x3fff;
const unsigned int h = (buf[8] | (buf[9] << 8)) & 0x3fff;
frame_info_list_.push_back(FrameInfo(pkt->data.frame.pts, w, h));
}
}
std::vector< FrameInfo > frame_info_list_;
};
TEST_P(ResizeTest, TestExternalResizeWorks) {
ResizingVideoSource video;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
for (std::vector<FrameInfo>::iterator info = frame_info_list_.begin();
info != frame_info_list_.end(); ++info) {
const vpx_codec_pts_t pts = info->pts;
const unsigned int expected_w = ScaleForFrameNumber(pts, kInitialWidth);
const unsigned int expected_h = ScaleForFrameNumber(pts, kInitialHeight);
EXPECT_EQ(expected_w, info->w)
<< "Frame " << pts << "had unexpected width";
EXPECT_EQ(expected_h, info->h)
<< "Frame " << pts << "had unexpected height";
}
}
INSTANTIATE_TEST_CASE_P(OnePass, ResizeTest, ONE_PASS_TEST_MODES);
} // namespace
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