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/*
* Copyright (c) 2018, 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 <string.h>
#include "common/av1_config.h"
#include "test/util.h"
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
namespace {
//
// Input buffers containing exactly one Sequence Header OBU.
//
// Each buffer is named according to the OBU storage format (Annex-B vs Low
// Overhead Bitstream Format) and the type of Sequence Header OBU ("Full"
// Sequence Header OBUs vs Sequence Header OBUs with the
// reduced_still_image_flag set).
//
const uint8_t kAnnexBFullSequenceHeaderObu[] = {
0x0c, 0x08, 0x00, 0x00, 0x00, 0x04, 0x45, 0x7e, 0x3e, 0xff, 0xfc, 0xc0, 0x20
};
const uint8_t kAnnexBReducedStillImageSequenceHeaderObu[] = {
0x08, 0x08, 0x18, 0x22, 0x2b, 0xf1, 0xfe, 0xc0, 0x20
};
const uint8_t kLobfFullSequenceHeaderObu[] = {
0x0a, 0x0b, 0x00, 0x00, 0x00, 0x04, 0x45, 0x7e, 0x3e, 0xff, 0xfc, 0xc0, 0x20
};
const uint8_t kLobfReducedStillImageSequenceHeaderObu[] = {
0x0a, 0x07, 0x18, 0x22, 0x2b, 0xf1, 0xfe, 0xc0, 0x20
};
const uint8_t kAv1cAllZero[] = { 0, 0, 0, 0 };
// The size of AV1 config when no configOBUs are present at the end of the
// configuration structure.
const size_t kAv1cNoConfigObusSize = 4;
bool VerifyAv1c(const uint8_t *const obu_buffer, size_t obu_buffer_length,
bool is_annexb) {
Av1Config av1_config;
memset(&av1_config, 0, sizeof(av1_config));
bool parse_ok = get_av1config_from_obu(obu_buffer, obu_buffer_length,
is_annexb, &av1_config) == 0;
if (parse_ok) {
EXPECT_EQ(1, av1_config.marker);
EXPECT_EQ(1, av1_config.version);
EXPECT_EQ(0, av1_config.seq_profile);
EXPECT_EQ(0, av1_config.seq_level_idx_0);
EXPECT_EQ(0, av1_config.seq_tier_0);
EXPECT_EQ(0, av1_config.high_bitdepth);
EXPECT_EQ(0, av1_config.twelve_bit);
EXPECT_EQ(0, av1_config.monochrome);
EXPECT_EQ(1, av1_config.chroma_subsampling_x);
EXPECT_EQ(1, av1_config.chroma_subsampling_y);
EXPECT_EQ(0, av1_config.chroma_sample_position);
EXPECT_EQ(0, av1_config.initial_presentation_delay_present);
EXPECT_EQ(0, av1_config.initial_presentation_delay_minus_one);
}
return parse_ok && ::testing::Test::HasFailure() == false;
}
TEST(Av1Config, ObuInvalidInputs) {
Av1Config av1_config;
memset(&av1_config, 0, sizeof(av1_config));
ASSERT_EQ(-1, get_av1config_from_obu(NULL, 0, 0, NULL));
ASSERT_EQ(-1,
get_av1config_from_obu(&kLobfFullSequenceHeaderObu[0], 0, 0, NULL));
ASSERT_EQ(
-1, get_av1config_from_obu(&kLobfFullSequenceHeaderObu[0],
sizeof(kLobfFullSequenceHeaderObu), 0, NULL));
ASSERT_EQ(-1, get_av1config_from_obu(NULL, sizeof(kLobfFullSequenceHeaderObu),
0, NULL));
ASSERT_EQ(-1, get_av1config_from_obu(&kLobfFullSequenceHeaderObu[0], 0, 0,
&av1_config));
}
TEST(Av1Config, ReadInvalidInputs) {
Av1Config av1_config;
memset(&av1_config, 0, sizeof(av1_config));
size_t bytes_read = 0;
ASSERT_EQ(-1, read_av1config(NULL, 0, NULL, NULL));
ASSERT_EQ(-1, read_av1config(NULL, 4, NULL, NULL));
ASSERT_EQ(-1, read_av1config(&kAv1cAllZero[0], 0, NULL, NULL));
ASSERT_EQ(-1, read_av1config(&kAv1cAllZero[0], 4, &bytes_read, NULL));
ASSERT_EQ(-1, read_av1config(NULL, 4, &bytes_read, &av1_config));
}
TEST(Av1Config, WriteInvalidInputs) {
Av1Config av1_config;
memset(&av1_config, 0, sizeof(av1_config));
size_t bytes_written = 0;
uint8_t av1c_buffer[4] = { 0 };
ASSERT_EQ(-1, write_av1config(NULL, 0, NULL, NULL));
ASSERT_EQ(-1, write_av1config(&av1_config, 0, NULL, NULL));
ASSERT_EQ(-1, write_av1config(&av1_config, 0, &bytes_written, NULL));
ASSERT_EQ(-1,
write_av1config(&av1_config, 0, &bytes_written, &av1c_buffer[0]));
ASSERT_EQ(-1, write_av1config(&av1_config, 4, &bytes_written, NULL));
}
TEST(Av1Config, GetAv1ConfigFromLobfObu) {
// Test parsing of a Sequence Header OBU with the reduced_still_picture_header
// unset-- aka a full Sequence Header OBU.
ASSERT_TRUE(VerifyAv1c(kLobfFullSequenceHeaderObu,
sizeof(kLobfFullSequenceHeaderObu), false));
// Test parsing of a reduced still image Sequence Header OBU.
ASSERT_TRUE(VerifyAv1c(kLobfReducedStillImageSequenceHeaderObu,
sizeof(kLobfReducedStillImageSequenceHeaderObu),
false));
}
TEST(Av1Config, GetAv1ConfigFromAnnexBObu) {
// Test parsing of a Sequence Header OBU with the reduced_still_picture_header
// unset-- aka a full Sequence Header OBU.
ASSERT_TRUE(VerifyAv1c(kAnnexBFullSequenceHeaderObu,
sizeof(kAnnexBFullSequenceHeaderObu), true));
// Test parsing of a reduced still image Sequence Header OBU.
ASSERT_TRUE(VerifyAv1c(kAnnexBReducedStillImageSequenceHeaderObu,
sizeof(kAnnexBReducedStillImageSequenceHeaderObu),
true));
}
TEST(Av1Config, ReadWriteConfig) {
Av1Config av1_config;
memset(&av1_config, 0, sizeof(av1_config));
// Test writing out the AV1 config.
size_t bytes_written = 0;
uint8_t av1c_buffer[4] = { 0 };
ASSERT_EQ(0, write_av1config(&av1_config, sizeof(av1c_buffer), &bytes_written,
&av1c_buffer[0]));
ASSERT_EQ(kAv1cNoConfigObusSize, bytes_written);
for (size_t i = 0; i < kAv1cNoConfigObusSize; ++i) {
ASSERT_EQ(kAv1cAllZero[i], av1c_buffer[i])
<< "Mismatch in output Av1Config at offset=" << i;
}
// Test reading the AV1 config.
size_t bytes_read = 0;
ASSERT_EQ(0, read_av1config(&kAv1cAllZero[0], sizeof(kAv1cAllZero),
&bytes_read, &av1_config));
ASSERT_EQ(kAv1cNoConfigObusSize, bytes_read);
ASSERT_EQ(0, write_av1config(&av1_config, sizeof(av1c_buffer), &bytes_written,
&av1c_buffer[0]));
for (size_t i = 0; i < kAv1cNoConfigObusSize; ++i) {
ASSERT_EQ(kAv1cAllZero[i], av1c_buffer[i])
<< "Mismatch in output Av1Config at offset=" << i;
}
}
} // namespace
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