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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.
*/
#include <memory>
#include <string>
#include "gtest/gtest.h"
#include "config/aom_config.h"
#include "aom_ports/mem.h"
#include "test/codec_factory.h"
#include "test/decode_test_driver.h"
#include "test/encode_test_driver.h"
#include "test/register_state_check.h"
#include "test/video_source.h"
namespace libaom_test {
void Encoder::InitEncoder(VideoSource *video) {
aom_codec_err_t res;
const aom_image_t *img = video->img();
if (video->img() && !encoder_.priv) {
cfg_.g_w = img->d_w;
cfg_.g_h = img->d_h;
cfg_.g_timebase = video->timebase();
cfg_.rc_twopass_stats_in = stats_->buf();
res = aom_codec_enc_init(&encoder_, CodecInterface(), &cfg_, init_flags_);
ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
}
}
void Encoder::EncodeFrame(VideoSource *video,
const aom_enc_frame_flags_t frame_flags) {
if (video->img())
EncodeFrameInternal(*video, frame_flags);
else
Flush();
// Handle twopass stats
CxDataIterator iter = GetCxData();
while (const aom_codec_cx_pkt_t *pkt = iter.Next()) {
if (pkt->kind != AOM_CODEC_STATS_PKT) continue;
stats_->Append(*pkt);
}
}
void Encoder::EncodeFrameInternal(const VideoSource &video,
const aom_enc_frame_flags_t frame_flags) {
aom_codec_err_t res;
const aom_image_t *img = video.img();
// Handle frame resizing
if (cfg_.g_w != img->d_w || cfg_.g_h != img->d_h) {
cfg_.g_w = img->d_w;
cfg_.g_h = img->d_h;
res = aom_codec_enc_config_set(&encoder_, &cfg_);
ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
}
// Encode the frame
API_REGISTER_STATE_CHECK(res =
aom_codec_encode(&encoder_, img, video.pts(),
video.duration(), frame_flags));
ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
}
void Encoder::Flush() {
const aom_codec_err_t res = aom_codec_encode(&encoder_, nullptr, 0, 0, 0);
if (!encoder_.priv)
ASSERT_EQ(AOM_CODEC_ERROR, res) << EncoderError();
else
ASSERT_EQ(AOM_CODEC_OK, res) << EncoderError();
}
void EncoderTest::InitializeConfig(TestMode mode) {
int usage = AOM_USAGE_GOOD_QUALITY;
switch (mode) {
case kOnePassGood:
case kTwoPassGood: break;
case kRealTime: usage = AOM_USAGE_REALTIME; break;
case kAllIntra: usage = AOM_USAGE_ALL_INTRA; break;
default: ASSERT_TRUE(false) << "Unexpected mode " << mode;
}
mode_ = mode;
passes_ = (mode == kTwoPassGood) ? 2 : 1;
const aom_codec_err_t res = codec_->DefaultEncoderConfig(&cfg_, usage);
ASSERT_EQ(AOM_CODEC_OK, res);
}
static bool compare_plane(const uint8_t *const buf1, int stride1,
const uint8_t *const buf2, int stride2, int w, int h,
int *const mismatch_row, int *const mismatch_col,
int *const mismatch_pix1, int *const mismatch_pix2) {
int r, c;
for (r = 0; r < h; ++r) {
for (c = 0; c < w; ++c) {
const int pix1 = buf1[r * stride1 + c];
const int pix2 = buf2[r * stride2 + c];
if (pix1 != pix2) {
if (mismatch_row != nullptr) *mismatch_row = r;
if (mismatch_col != nullptr) *mismatch_col = c;
if (mismatch_pix1 != nullptr) *mismatch_pix1 = pix1;
if (mismatch_pix2 != nullptr) *mismatch_pix2 = pix2;
return false;
}
}
}
return true;
}
// The function should return "true" most of the time, therefore no early
// break-out is implemented within the match checking process.
static bool compare_img(const aom_image_t *img1, const aom_image_t *img2,
int *const mismatch_row, int *const mismatch_col,
int *const mismatch_plane, int *const mismatch_pix1,
int *const mismatch_pix2) {
if (img1->fmt != img2->fmt || img1->cp != img2->cp || img1->tc != img2->tc ||
img1->mc != img2->mc || img1->d_w != img2->d_w ||
img1->d_h != img2->d_h || img1->monochrome != img2->monochrome) {
if (mismatch_row != nullptr) *mismatch_row = -1;
if (mismatch_col != nullptr) *mismatch_col = -1;
return false;
}
const int num_planes = img1->monochrome ? 1 : 3;
for (int plane = 0; plane < num_planes; plane++) {
if (!compare_plane(img1->planes[plane], img1->stride[plane],
img2->planes[plane], img2->stride[plane],
aom_img_plane_width(img1, plane),
aom_img_plane_height(img1, plane), mismatch_row,
mismatch_col, mismatch_pix1, mismatch_pix2)) {
if (mismatch_plane != nullptr) *mismatch_plane = plane;
return false;
}
}
return true;
}
void EncoderTest::MismatchHook(const aom_image_t *img_enc,
const aom_image_t *img_dec) {
int mismatch_row = 0;
int mismatch_col = 0;
int mismatch_plane = 0;
int mismatch_pix_enc = 0;
int mismatch_pix_dec = 0;
ASSERT_FALSE(compare_img(img_enc, img_dec, &mismatch_row, &mismatch_col,
&mismatch_plane, &mismatch_pix_enc,
&mismatch_pix_dec));
GTEST_FAIL() << "Encode/Decode mismatch found:" << std::endl
<< " pixel value enc/dec: " << mismatch_pix_enc << "/"
<< mismatch_pix_dec << std::endl
<< " plane: " << mismatch_plane << std::endl
<< " row/col: " << mismatch_row << "/"
<< mismatch_col << std::endl;
}
void EncoderTest::RunLoop(VideoSource *video) {
stats_.Reset();
ASSERT_TRUE(passes_ == 1 || passes_ == 2);
for (unsigned int pass = 0; pass < passes_; pass++) {
aom_codec_pts_t last_pts = 0;
if (passes_ == 1)
cfg_.g_pass = AOM_RC_ONE_PASS;
else if (pass == 0)
cfg_.g_pass = AOM_RC_FIRST_PASS;
else
cfg_.g_pass = AOM_RC_LAST_PASS;
BeginPassHook(pass);
std::unique_ptr<Encoder> encoder(
codec_->CreateEncoder(cfg_, init_flags_, &stats_));
ASSERT_NE(encoder, nullptr);
ASSERT_NO_FATAL_FAILURE(video->Begin());
encoder->InitEncoder(video);
if (mode_ == kRealTime) {
encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
}
ASSERT_FALSE(::testing::Test::HasFatalFailure());
#if CONFIG_AV1_DECODER
aom_codec_dec_cfg_t dec_cfg = aom_codec_dec_cfg_t();
dec_cfg.allow_lowbitdepth = 1;
std::unique_ptr<Decoder> decoder(
codec_->CreateDecoder(dec_cfg, 0 /* flags */));
if (decoder->IsAV1()) {
// Set dec_cfg.tile_row = -1 and dec_cfg.tile_col = -1 so that the whole
// frame is decoded.
decoder->Control(AV1_SET_TILE_MODE, cfg_.large_scale_tile);
decoder->Control(AV1D_EXT_TILE_DEBUG, 1);
decoder->Control(AV1_SET_DECODE_TILE_ROW, -1);
decoder->Control(AV1_SET_DECODE_TILE_COL, -1);
}
#endif
int number_spatial_layers = GetNumSpatialLayers();
bool again;
for (again = true; again; video->Next()) {
again = (video->img() != nullptr);
for (int sl = 0; sl < number_spatial_layers; sl++) {
PreEncodeFrameHook(video, encoder.get());
encoder->EncodeFrame(video, frame_flags_);
PostEncodeFrameHook(encoder.get());
CxDataIterator iter = encoder->GetCxData();
bool has_cxdata = false;
#if CONFIG_AV1_DECODER
bool has_dxdata = false;
#endif
while (const aom_codec_cx_pkt_t *pkt = iter.Next()) {
pkt = MutateEncoderOutputHook(pkt);
again = true;
switch (pkt->kind) {
case AOM_CODEC_CX_FRAME_PKT: //
has_cxdata = true;
#if CONFIG_AV1_DECODER
if (decoder.get() != nullptr && DoDecode()) {
aom_codec_err_t res_dec;
if (DoDecodeInvisible()) {
res_dec = decoder->DecodeFrame(
(const uint8_t *)pkt->data.frame.buf, pkt->data.frame.sz);
} else {
res_dec = decoder->DecodeFrame(
(const uint8_t *)pkt->data.frame.buf +
(pkt->data.frame.sz - pkt->data.frame.vis_frame_size),
pkt->data.frame.vis_frame_size);
}
if (!HandleDecodeResult(res_dec, decoder.get())) break;
has_dxdata = true;
}
#endif
ASSERT_GE(pkt->data.frame.pts, last_pts);
if (sl == number_spatial_layers - 1)
last_pts = pkt->data.frame.pts;
FramePktHook(pkt);
break;
case AOM_CODEC_PSNR_PKT: PSNRPktHook(pkt); break;
case AOM_CODEC_STATS_PKT: StatsPktHook(pkt); break;
default: break;
}
}
if (has_cxdata) {
const aom_image_t *img_enc = encoder->GetPreviewFrame();
if (img_enc) {
CalculateFrameLevelSSIM(video->img(), img_enc, cfg_.g_bit_depth,
cfg_.g_input_bit_depth);
}
#if CONFIG_AV1_DECODER
if (has_dxdata) {
DxDataIterator dec_iter = decoder->GetDxData();
const aom_image_t *img_dec = dec_iter.Next();
if (img_enc && img_dec) {
const bool res = compare_img(img_enc, img_dec, nullptr, nullptr,
nullptr, nullptr, nullptr);
if (!res) { // Mismatch
MismatchHook(img_enc, img_dec);
}
}
if (img_dec) DecompressedFrameHook(*img_dec, video->pts());
}
#endif
}
if (!Continue()) break;
} // Loop over spatial layers
}
EndPassHook();
if (!Continue()) break;
}
}
} // namespace libaom_test