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/*
* Copyright (c) 2013 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 <cstdio>
#include <cstdlib>
#include <string>
#include "third_party/googletest/src/include/gtest/gtest.h"
#include "test/codec_factory.h"
#include "test/encode_test_driver.h"
#include "test/i420_video_source.h"
#include "test/util.h"
#include "test/md5_helper.h"
#include "vpx_mem/vpx_mem.h"
namespace {
class TileIndependenceTest : public ::libvpx_test::EncoderTest,
public ::libvpx_test::CodecTestWithParam<int> {
protected:
TileIndependenceTest()
: EncoderTest(GET_PARAM(0)), md5_fw_order_(), md5_inv_order_(),
n_tiles_(GET_PARAM(1)) {
init_flags_ = VPX_CODEC_USE_PSNR;
vpx_codec_dec_cfg_t cfg = vpx_codec_dec_cfg_t();
cfg.w = 704;
cfg.h = 144;
cfg.threads = 1;
fw_dec_ = codec_->CreateDecoder(cfg, 0);
inv_dec_ = codec_->CreateDecoder(cfg, 0);
inv_dec_->Control(VP9_INVERT_TILE_DECODE_ORDER, 1);
}
virtual ~TileIndependenceTest() {
delete fw_dec_;
delete inv_dec_;
}
virtual void SetUp() {
InitializeConfig();
SetMode(libvpx_test::kTwoPassGood);
}
virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
libvpx_test::Encoder *encoder) {
if (video->frame() == 0) {
encoder->Control(VP9E_SET_TILE_COLUMNS, n_tiles_);
}
}
void UpdateMD5(::libvpx_test::Decoder *dec, const vpx_codec_cx_pkt_t *pkt,
::libvpx_test::MD5 *md5) {
const vpx_codec_err_t res = dec->DecodeFrame(
reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);
if (res != VPX_CODEC_OK) {
abort_ = true;
ASSERT_EQ(VPX_CODEC_OK, res);
}
const vpx_image_t *img = dec->GetDxData().Next();
md5->Add(img);
}
virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
UpdateMD5(fw_dec_, pkt, &md5_fw_order_);
UpdateMD5(inv_dec_, pkt, &md5_inv_order_);
}
::libvpx_test::MD5 md5_fw_order_, md5_inv_order_;
::libvpx_test::Decoder *fw_dec_, *inv_dec_;
private:
int n_tiles_;
};
// run an encode with 2 or 4 tiles, and do the decode both in normal and
// inverted tile ordering. Ensure that the MD5 of the output in both cases
// is identical. If so, tiles are considered independent and the test passes.
TEST_P(TileIndependenceTest, MD5Match) {
const vpx_rational timebase = { 33333333, 1000000000 };
cfg_.g_timebase = timebase;
cfg_.rc_target_bitrate = 500;
cfg_.g_lag_in_frames = 25;
cfg_.rc_end_usage = VPX_VBR;
libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 704, 144,
timebase.den, timebase.num, 0, 30);
ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
const char *md5_fw_str = md5_fw_order_.Get();
const char *md5_inv_str = md5_inv_order_.Get();
// could use ASSERT_EQ(!memcmp(.., .., 16) here, but this gives nicer
// output if it fails. Not sure if it's helpful since it's really just
// a MD5...
ASSERT_STREQ(md5_fw_str, md5_inv_str);
}
VP9_INSTANTIATE_TEST_SUITE(TileIndependenceTest, ::testing::Range(0, 2, 1));
} // namespace