/*
* 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.
*/
#include <assert.h>
#include <string>
#include <vector>
#include "gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/md5_helper.h"
#include "test/util.h"
namespace {
// The number of frames to be encoded/decoded
const int kLimit = 8;
// Skip 1 frame to check the frame decoding independency.
const int kSkip = 5;
const int kTileSize = 1;
const int kTIleSizeInPixels = (kTileSize << 6);
// Fake width and height so that they can be multiples of the tile size.
const int kImgWidth = 704;
const int kImgHeight = 576;
// This test tests large scale tile coding case. Non-large-scale tile coding
// is tested by the tile_independence test.
class AV1ExtTileTest
:
public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode,
int>,
public ::libaom_test::EncoderTest {
protected:
AV1ExtTileTest()
: EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
set_cpu_used_(GET_PARAM(2)) {
init_flags_ = AOM_CODEC_USE_PSNR;
aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
cfg.w = kImgWidth;
cfg.h = kImgHeight;
cfg.allow_lowbitdepth = 1;
decoder_ = codec_->CreateDecoder(cfg, 0);
decoder_->Control(AV1_SET_TILE_MODE, 1);
decoder_->Control(AV1D_EXT_TILE_DEBUG, 1);
decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
// Allocate buffer to store tile image.
aom_img_alloc(&tile_img_, AOM_IMG_FMT_I420, kImgWidth, kImgHeight, 32);
md5_.clear();
tile_md5_.clear();
}
~AV1ExtTileTest() override {
aom_img_free(&tile_img_);
delete decoder_;
}
void SetUp() override {
InitializeConfig(encoding_mode_);
cfg_.g_lag_in_frames = 0;
cfg_.rc_end_usage = AOM_VBR;
cfg_.g_error_resilient = 1;
cfg_.rc_max_quantizer = 56;
cfg_.rc_min_quantizer = 0;
}
void PreEncodeFrameHook(::libaom_test::VideoSource *video,
::libaom_test::Encoder *encoder) override {
if (video->frame() == 0) {
// Encode setting
encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 1);
// TODO(yunqingwang): test single_tile_decoding = 0.
encoder->Control(AV1E_SET_SINGLE_TILE_DECODING, 1);
// Always use 64x64 max partition.
encoder->Control(AV1E_SET_SUPERBLOCK_SIZE, AOM_SUPERBLOCK_SIZE_64X64);
// Set tile_columns and tile_rows to MAX values, which guarantees the tile
// size of 64 x 64 pixels(i.e. 1 SB) for <= 4k resolution.
encoder->Control(AV1E_SET_TILE_COLUMNS, 6);
encoder->Control(AV1E_SET_TILE_ROWS, 6);
}
else if (video->frame() == 1) {
frame_flags_ =
AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
}
}
void DecompressedFrameHook(
const aom_image_t &img,
aom_codec_pts_t pts) override {
// Skip 1 already decoded frame to be consistent with the decoder in this
// test.
if (pts == (aom_codec_pts_t)kSkip)
return;
// Calculate MD5 as the reference.
::libaom_test::MD5 md5_res;
md5_res.Add(&img);
md5_.push_back(md5_res.Get());
}
void FramePktHook(
const aom_codec_cx_pkt_t *pkt) override {
// Skip decoding 1 frame.
if (pkt->data.frame.pts == (aom_codec_pts_t)kSkip)
return;
bool IsLastFrame = (pkt->data.frame.pts == (aom_codec_pts_t)(kLimit - 1));
// Decode the first (kLimit - 1) frames as whole frame, and decode the last
// frame in single tiles.
for (
int r = 0; r < kImgHeight / kTIleSizeInPixels; ++r) {
for (
int c = 0; c < kImgWidth / kTIleSizeInPixels; ++c) {
if (!IsLastFrame) {
decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
}
else {
decoder_->Control(AV1_SET_DECODE_TILE_ROW, r);
decoder_->Control(AV1_SET_DECODE_TILE_COL, c);
}
const aom_codec_err_t res = decoder_->DecodeFrame(
reinterpret_cast<uint8_t *>(pkt->data.frame.buf),
pkt->data.frame.sz);
if (res != AOM_CODEC_OK) {
abort_ =
true;
ASSERT_EQ(AOM_CODEC_OK, res);
}
const aom_image_t *img = decoder_->GetDxData().Next();
if (!IsLastFrame) {
if (img) {
::libaom_test::MD5 md5_res;
md5_res.Add(img);
tile_md5_.push_back(md5_res.Get());
}
break;
}
const int kMaxMBPlane = 3;
for (
int plane = 0; plane < kMaxMBPlane; ++plane) {
const int shift = (plane == 0) ? 0 : 1;
int tile_height = kTIleSizeInPixels >> shift;
int tile_width = kTIleSizeInPixels >> shift;
for (
int tr = 0; tr < tile_height; ++tr) {
memcpy(tile_img_.planes[plane] +
tile_img_.stride[plane] * (r * tile_height + tr) +
c * tile_width,
img->planes[plane] + img->stride[plane] * tr, tile_width);
}
}
}
if (!IsLastFrame)
break;
}
if (IsLastFrame) {
::libaom_test::MD5 md5_res;
md5_res.Add(&tile_img_);
tile_md5_.push_back(md5_res.Get());
}
}
void TestRoundTrip() {
::libaom_test::I420VideoSource video(
"hantro_collage_w352h288.yuv", kImgWidth, kImgHeight, 30, 1, 0, kLimit);
cfg_.rc_target_bitrate = 500;
cfg_.g_error_resilient = AOM_ERROR_RESILIENT_DEFAULT;
cfg_.large_scale_tile = 1;
cfg_.g_lag_in_frames = 0;
cfg_.g_threads = 1;
// Tile encoding
init_flags_ = AOM_CODEC_USE_PSNR;
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
// Compare to check if two vectors are equal.
ASSERT_EQ(md5_, tile_md5_);
}
::libaom_test::TestMode encoding_mode_;
int set_cpu_used_;
::libaom_test::Decoder *decoder_;
aom_image_t tile_img_;
std::vector<std::string> md5_;
std::vector<std::string> tile_md5_;
};
TEST_P(AV1ExtTileTest, DecoderResultTest) { TestRoundTrip(); }
AV1_INSTANTIATE_TEST_SUITE(
// Now only test 2-pass mode.
AV1ExtTileTest, ::testing::Values(::libaom_test::kTwoPassGood),
::testing::Range(1, 4));
class AV1ExtTileTestLarge :
public AV1ExtTileTest {};
TEST_P(AV1ExtTileTestLarge, DecoderResultTest) { TestRoundTrip(); }
AV1_INSTANTIATE_TEST_SUITE(
// Now only test 2-pass mode.
AV1ExtTileTestLarge, ::testing::Values(::libaom_test::kTwoPassGood),
::testing::Range(0, 1));
}
// namespace
