Add av1C generation.
- Add sequence header parser in av1_config.c to produce av1C.
- Add av1C reader and writer functions.
BUG=aomedia:2027
Change-Id: I42322cd56bf2c2c6a7c18b67c1a7d6296fb9fe61
diff --git a/test/av1_config_test.cc b/test/av1_config_test.cc
new file mode 100644
index 0000000..e2f2c53
--- /dev/null
+++ b/test/av1_config_test.cc
@@ -0,0 +1,164 @@
+/*
+ * 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
diff --git a/test/test.cmake b/test/test.cmake
index 32f8116..b16ae14 100644
--- a/test/test.cmake
+++ b/test/test.cmake
@@ -26,6 +26,7 @@
list(APPEND AOM_UNIT_TEST_COMMON_SOURCES
"${AOM_ROOT}/test/acm_random.h"
"${AOM_ROOT}/test/aom_integer_test.cc"
+ "${AOM_ROOT}/test/av1_config_test.cc"
"${AOM_ROOT}/test/blockd_test.cc"
"${AOM_ROOT}/test/clear_system_state.h"
"${AOM_ROOT}/test/codec_factory.h"
