/*
* Copyright ( c ) 2015 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 <algorithm>
#include "gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/util.h"
#include "test/y4m_video_source.h"
namespace {
// Check if any pixel in a 16x16 macroblock varies between frames.
int CheckMb(const vpx_image_t ¤t, const vpx_image_t &previous, int mb_r,
int mb_c) {
for (int plane = 0 ; plane < 3 ; plane++) {
int r = 16 * mb_r;
int c0 = 16 * mb_c;
int r_top = std::min(r + 16 , static_cast <int>(current.d_h));
int c_top = std::min(c0 + 16 , static_cast <int>(current.d_w));
r = std::max(r, 0 );
c0 = std::max(c0, 0 );
if (plane > 0 && current.x_chroma_shift) {
c_top = (c_top + 1 ) >> 1 ;
c0 >>= 1 ;
}
if (plane > 0 && current.y_chroma_shift) {
r_top = (r_top + 1 ) >> 1 ;
r >>= 1 ;
}
for (; r < r_top; ++r) {
for (int c = c0; c < c_top; ++c) {
if (current.planes[plane][current.stride[plane] * r + c] !=
previous.planes[plane][previous.stride[plane] * r + c]) {
return 1 ;
}
}
}
}
return 0 ;
}
void GenerateMap(int mb_rows, int mb_cols, const vpx_image_t ¤t,
const vpx_image_t &previous, uint8_t *map) {
for (int mb_r = 0 ; mb_r < mb_rows; ++mb_r) {
for (int mb_c = 0 ; mb_c < mb_cols; ++mb_c) {
map[mb_r * mb_cols + mb_c] = CheckMb(current, previous, mb_r, mb_c);
}
}
}
const int kAqModeCyclicRefresh = 3 ;
class ActiveMapRefreshTest
: public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
protected :
ActiveMapRefreshTest() : EncoderTest(GET_PARAM(0 )) {}
~ActiveMapRefreshTest() override = default ;
void SetUp() override {
InitializeConfig();
SetMode(GET_PARAM(1 ));
cpu_used_ = GET_PARAM(2 );
}
void PreEncodeFrameHook(::libvpx_test::VideoSource *video,
::libvpx_test::Encoder *encoder) override {
::libvpx_test::Y4mVideoSource *y4m_video =
static_cast <libvpx_test::Y4mVideoSource *>(video);
if (video->frame() == 0 ) {
encoder->Control(VP8E_SET_CPUUSED, cpu_used_);
encoder->Control(VP9E_SET_AQ_MODE, kAqModeCyclicRefresh);
} else if (video->frame() >= 2 && video->img()) {
vpx_image_t *current = video->img();
vpx_image_t *previous = y4m_holder_->img();
ASSERT_NE(previous, nullptr);
vpx_active_map_t map = vpx_active_map_t();
const int width = static_cast <int>(current->d_w);
const int height = static_cast <int>(current->d_h);
const int mb_width = (width + 15 ) / 16 ;
const int mb_height = (height + 15 ) / 16 ;
uint8_t *active_map = new uint8_t[mb_width * mb_height];
GenerateMap(mb_height, mb_width, *current, *previous, active_map);
map.cols = mb_width;
map.rows = mb_height;
map.active_map = active_map;
encoder->Control(VP8E_SET_ACTIVEMAP, &map);
delete [] active_map;
}
if (video->img()) {
y4m_video->SwapBuffers(y4m_holder_);
}
}
int cpu_used_;
::libvpx_test::Y4mVideoSource *y4m_holder_;
};
TEST_P(ActiveMapRefreshTest, Test) {
cfg_.g_lag_in_frames = 0 ;
cfg_.g_profile = 1 ;
cfg_.rc_target_bitrate = 600 ;
cfg_.rc_resize_allowed = 0 ;
cfg_.rc_min_quantizer = 8 ;
cfg_.rc_max_quantizer = 30 ;
cfg_.g_pass = VPX_RC_ONE_PASS;
cfg_.rc_end_usage = VPX_CBR;
cfg_.kf_max_dist = 90000 ;
::libvpx_test::Y4mVideoSource video("desktop_credits.y4m" , 0 , 30 );
::libvpx_test::Y4mVideoSource video_holder("desktop_credits.y4m" , 0 , 30 );
video_holder.Begin();
y4m_holder_ = &video_holder;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
VP9_INSTANTIATE_TEST_SUITE(ActiveMapRefreshTest,
::testing::Values(::libvpx_test::kRealTime),
::testing::Range(5 , 6 ));
} // namespace
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