test/avif_progressive_test.cc - aom - Git at Google

 /*
  * Copyright (c) 2023, 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 <cstddef>
 #include <vector>

 #include "aom/aomcx.h"
 #include "aom/aom_codec.h"
 #include "aom/aom_encoder.h"
 #include "aom/aom_image.h"
 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"

 namespace {

 // This test emulates how libavif calls libaom functions to encode a
 // progressive AVIF image in libavif's ProgressiveTest.QualityChange test.
 TEST(AVIFProgressiveTest, QualityChange) {
   constexpr int kWidth = 256;
   constexpr int kHeight = 256;
   // A buffer of neutral gray samples.
   constexpr size_t kBufferSize = 3 * kWidth * kHeight;
   std::vector<unsigned char> buffer(kBufferSize,
                                     static_cast<unsigned char>(128));

   aom_image_t img;
   EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I444, kWidth, kHeight, 1,
                                buffer.data()));
   img.cp = AOM_CICP_CP_UNSPECIFIED;
   img.tc = AOM_CICP_TC_UNSPECIFIED;
   img.mc = AOM_CICP_MC_UNSPECIFIED;
   img.range = AOM_CR_FULL_RANGE;

   aom_codec_iface_t *iface = aom_codec_av1_cx();
   aom_codec_enc_cfg_t cfg;
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
   cfg.g_profile = 1;
   cfg.g_w = kWidth;
   cfg.g_h = kHeight;
   cfg.g_bit_depth = AOM_BITS_8;
   cfg.g_input_bit_depth = 8;
   cfg.g_lag_in_frames = 0;
   cfg.rc_end_usage = AOM_Q;
   cfg.rc_min_quantizer = 50;
   cfg.rc_max_quantizer = 50;
   aom_codec_ctx_t enc;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 50));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));

   // First frame (layer 0)
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
   aom_codec_iter_t iter = nullptr;
   const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0x1f0011.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Second frame (layer 1)
   cfg.rc_min_quantizer = 0;
   cfg.rc_max_quantizer = 0;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AV1E_SET_LOSSLESS, 1));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
   aom_enc_frame_flags_t encode_flags =
       AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
       AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Flush encoder
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
 }

 // This test emulates how libavif calls libaom functions to encode a
 // progressive AVIF image in libavif's ProgressiveTest.DimensionChange test.
 TEST(AVIFProgressiveTest, DimensionChange) {
   constexpr int kWidth = 256;
   constexpr int kHeight = 256;
   // A buffer of neutral gray samples.
   constexpr size_t kBufferSize = 3 * kWidth * kHeight;
   std::vector<unsigned char> buffer(kBufferSize,
                                     static_cast<unsigned char>(128));

   aom_image_t img;
   EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I444, kWidth, kHeight, 1,
                                buffer.data()));
   img.cp = AOM_CICP_CP_UNSPECIFIED;
   img.tc = AOM_CICP_TC_UNSPECIFIED;
   img.mc = AOM_CICP_MC_UNSPECIFIED;
   img.range = AOM_CR_FULL_RANGE;

   aom_codec_iface_t *iface = aom_codec_av1_cx();
   aom_codec_enc_cfg_t cfg;
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
   cfg.g_profile = 1;
   cfg.g_w = kWidth;
   cfg.g_h = kHeight;
   cfg.g_bit_depth = AOM_BITS_8;
   cfg.g_input_bit_depth = 8;
   cfg.g_lag_in_frames = 0;
   cfg.rc_end_usage = AOM_Q;
   cfg.rc_min_quantizer = 0;
   cfg.rc_max_quantizer = 0;
   aom_codec_ctx_t enc;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AV1E_SET_LOSSLESS, 1));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));

   // First frame (layer 0)
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
   const aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
   aom_codec_iter_t iter = nullptr;
   const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0x1f0011.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Second frame (layer 1)
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
   aom_enc_frame_flags_t encode_flags =
       AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
       AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Flush encoder
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
 }

 // This test reproduces bug aomedia:3382. Certain parameters such as width,
 // height, g_threads, usage, etc. were carefully chosen based on the
 // complicated logic of av1_select_sb_size() to cause an inconsistent sb_size.
 TEST(AVIFProgressiveTest, DimensionChangeBigImageMultiThread) {
   constexpr int kWidth = 1920;
   constexpr int kHeight = 1080;
   // A buffer of neutral gray samples.
   constexpr size_t kBufferSize = 2 * kWidth * kHeight;
   std::vector<unsigned char> buffer(kBufferSize,
                                     static_cast<unsigned char>(128));

   aom_image_t img;
   EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, kWidth, kHeight, 1,
                                buffer.data()));
   img.cp = AOM_CICP_CP_UNSPECIFIED;
   img.tc = AOM_CICP_TC_UNSPECIFIED;
   img.mc = AOM_CICP_MC_UNSPECIFIED;
   img.range = AOM_CR_FULL_RANGE;

   aom_codec_iface_t *iface = aom_codec_av1_cx();
   aom_codec_enc_cfg_t cfg;
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
   cfg.g_profile = 0;
   cfg.g_w = img.w;
   cfg.g_h = img.h;
   cfg.g_bit_depth = AOM_BITS_8;
   cfg.g_input_bit_depth = 8;
   cfg.g_lag_in_frames = 0;
   cfg.g_threads = 2;  // MultiThread
   cfg.rc_end_usage = AOM_Q;
   cfg.rc_min_quantizer = 0;
   cfg.rc_max_quantizer = 63;
   aom_codec_ctx_t enc;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 31));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AV1E_SET_ROW_MT, 1));  // MultiThread
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));

   // First frame (layer 0)
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
   const aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
   aom_codec_iter_t iter = nullptr;
   const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0x1f0011.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Second frame (layer 1)
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
   aom_enc_frame_flags_t encode_flags =
       AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
       AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Flush encoder
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
 }

 // A variant of the previous test, without the spatial layers.
 TEST(AVIFProgressiveTest, DimensionChangeBigImageMultiThread2) {
   constexpr int kWidth = 1920;
   constexpr int kHeight = 1080;
   // A buffer of neutral gray samples.
   constexpr size_t kBufferSize = 2 * kWidth * kHeight;
   std::vector<unsigned char> buffer(kBufferSize,
                                     static_cast<unsigned char>(128));

   aom_image_t img;
   EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, kWidth, kHeight, 1,
                                buffer.data()));
   img.cp = AOM_CICP_CP_UNSPECIFIED;
   img.tc = AOM_CICP_TC_UNSPECIFIED;
   img.mc = AOM_CICP_MC_UNSPECIFIED;
   img.range = AOM_CR_FULL_RANGE;

   aom_codec_iface_t *iface = aom_codec_av1_cx();
   aom_codec_enc_cfg_t cfg;
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
   cfg.g_profile = 0;
   cfg.g_w = img.w;
   cfg.g_h = img.h;
   cfg.g_bit_depth = AOM_BITS_8;
   cfg.g_input_bit_depth = 8;
   cfg.g_lag_in_frames = 0;
   cfg.g_threads = 2;  // MultiThread
   cfg.rc_end_usage = AOM_Q;
   cfg.rc_min_quantizer = 0;
   cfg.rc_max_quantizer = 63;
   aom_codec_ctx_t enc;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 31));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AV1E_SET_ROW_MT, 1));  // MultiThread
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));

   // First frame
   const aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
   EXPECT_EQ(AOM_CODEC_OK,
             aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
   aom_codec_iter_t iter = nullptr;
   const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0x1f0011.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Second frame
   aom_enc_frame_flags_t encode_flags =
       AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF | AOM_EFLAG_NO_REF_BWD |
       AOM_EFLAG_NO_REF_ARF2 | AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF;
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   ASSERT_NE(pkt, nullptr);
   EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
   // pkt->data.frame.flags is 0.
   EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   // Flush encoder
   EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
   iter = nullptr;
   pkt = aom_codec_get_cx_data(&enc, &iter);
   EXPECT_EQ(pkt, nullptr);

   EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
 }

 }  // namespace
	/*
	* Copyright (c) 2023, 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 <cstddef>
	#include <vector>

	#include "aom/aomcx.h"
	#include "aom/aom_codec.h"
	#include "aom/aom_encoder.h"
	#include "aom/aom_image.h"
	#include "third_party/googletest/src/googletest/include/gtest/gtest.h"

	namespace {

	// This test emulates how libavif calls libaom functions to encode a
	// progressive AVIF image in libavif's ProgressiveTest.QualityChange test.
	TEST(AVIFProgressiveTest, QualityChange) {
	constexpr int kWidth = 256;
	constexpr int kHeight = 256;
	// A buffer of neutral gray samples.
	constexpr size_t kBufferSize = 3 * kWidth * kHeight;
	std::vector<unsigned char> buffer(kBufferSize,
	static_cast<unsigned char>(128));

	aom_image_t img;
	EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I444, kWidth, kHeight, 1,
	buffer.data()));
	img.cp = AOM_CICP_CP_UNSPECIFIED;
	img.tc = AOM_CICP_TC_UNSPECIFIED;
	img.mc = AOM_CICP_MC_UNSPECIFIED;
	img.range = AOM_CR_FULL_RANGE;

	aom_codec_iface_t *iface = aom_codec_av1_cx();
	aom_codec_enc_cfg_t cfg;
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
	cfg.g_profile = 1;
	cfg.g_w = kWidth;
	cfg.g_h = kHeight;
	cfg.g_bit_depth = AOM_BITS_8;
	cfg.g_input_bit_depth = 8;
	cfg.g_lag_in_frames = 0;
	cfg.rc_end_usage = AOM_Q;
	cfg.rc_min_quantizer = 50;
	cfg.rc_max_quantizer = 50;
	aom_codec_ctx_t enc;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 50));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));

	// First frame (layer 0)
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
	aom_codec_iter_t iter = nullptr;
	const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0x1f0011.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Second frame (layer 1)
	cfg.rc_min_quantizer = 0;
	cfg.rc_max_quantizer = 0;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_config_set(&enc, &cfg));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AV1E_SET_LOSSLESS, 1));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
	aom_enc_frame_flags_t encode_flags =
	AOM_EFLAG_NO_REF_GF \| AOM_EFLAG_NO_REF_ARF \| AOM_EFLAG_NO_REF_BWD \|
	AOM_EFLAG_NO_REF_ARF2 \| AOM_EFLAG_NO_UPD_GF \| AOM_EFLAG_NO_UPD_ARF;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Flush encoder
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
	}

	// This test emulates how libavif calls libaom functions to encode a
	// progressive AVIF image in libavif's ProgressiveTest.DimensionChange test.
	TEST(AVIFProgressiveTest, DimensionChange) {
	constexpr int kWidth = 256;
	constexpr int kHeight = 256;
	// A buffer of neutral gray samples.
	constexpr size_t kBufferSize = 3 * kWidth * kHeight;
	std::vector<unsigned char> buffer(kBufferSize,
	static_cast<unsigned char>(128));

	aom_image_t img;
	EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I444, kWidth, kHeight, 1,
	buffer.data()));
	img.cp = AOM_CICP_CP_UNSPECIFIED;
	img.tc = AOM_CICP_TC_UNSPECIFIED;
	img.mc = AOM_CICP_MC_UNSPECIFIED;
	img.range = AOM_CR_FULL_RANGE;

	aom_codec_iface_t *iface = aom_codec_av1_cx();
	aom_codec_enc_cfg_t cfg;
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
	cfg.g_profile = 1;
	cfg.g_w = kWidth;
	cfg.g_h = kHeight;
	cfg.g_bit_depth = AOM_BITS_8;
	cfg.g_input_bit_depth = 8;
	cfg.g_lag_in_frames = 0;
	cfg.rc_end_usage = AOM_Q;
	cfg.rc_min_quantizer = 0;
	cfg.rc_max_quantizer = 0;
	aom_codec_ctx_t enc;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AV1E_SET_LOSSLESS, 1));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));

	// First frame (layer 0)
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
	const aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
	aom_codec_iter_t iter = nullptr;
	const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0x1f0011.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Second frame (layer 1)
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
	aom_enc_frame_flags_t encode_flags =
	AOM_EFLAG_NO_REF_GF \| AOM_EFLAG_NO_REF_ARF \| AOM_EFLAG_NO_REF_BWD \|
	AOM_EFLAG_NO_REF_ARF2 \| AOM_EFLAG_NO_UPD_GF \| AOM_EFLAG_NO_UPD_ARF;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Flush encoder
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
	}

	// This test reproduces bug aomedia:3382. Certain parameters such as width,
	// height, g_threads, usage, etc. were carefully chosen based on the
	// complicated logic of av1_select_sb_size() to cause an inconsistent sb_size.
	TEST(AVIFProgressiveTest, DimensionChangeBigImageMultiThread) {
	constexpr int kWidth = 1920;
	constexpr int kHeight = 1080;
	// A buffer of neutral gray samples.
	constexpr size_t kBufferSize = 2 * kWidth * kHeight;
	std::vector<unsigned char> buffer(kBufferSize,
	static_cast<unsigned char>(128));

	aom_image_t img;
	EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, kWidth, kHeight, 1,
	buffer.data()));
	img.cp = AOM_CICP_CP_UNSPECIFIED;
	img.tc = AOM_CICP_TC_UNSPECIFIED;
	img.mc = AOM_CICP_MC_UNSPECIFIED;
	img.range = AOM_CR_FULL_RANGE;

	aom_codec_iface_t *iface = aom_codec_av1_cx();
	aom_codec_enc_cfg_t cfg;
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
	cfg.g_profile = 0;
	cfg.g_w = img.w;
	cfg.g_h = img.h;
	cfg.g_bit_depth = AOM_BITS_8;
	cfg.g_input_bit_depth = 8;
	cfg.g_lag_in_frames = 0;
	cfg.g_threads = 2; // MultiThread
	cfg.rc_end_usage = AOM_Q;
	cfg.rc_min_quantizer = 0;
	cfg.rc_max_quantizer = 63;
	aom_codec_ctx_t enc;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 31));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AV1E_SET_ROW_MT, 1)); // MultiThread
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_NUMBER_SPATIAL_LAYERS, 2));

	// First frame (layer 0)
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 0));
	const aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
	aom_codec_iter_t iter = nullptr;
	const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0x1f0011.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Second frame (layer 1)
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SPATIAL_LAYER_ID, 1));
	aom_enc_frame_flags_t encode_flags =
	AOM_EFLAG_NO_REF_GF \| AOM_EFLAG_NO_REF_ARF \| AOM_EFLAG_NO_REF_BWD \|
	AOM_EFLAG_NO_REF_ARF2 \| AOM_EFLAG_NO_UPD_GF \| AOM_EFLAG_NO_UPD_ARF;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Flush encoder
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
	}

	// A variant of the previous test, without the spatial layers.
	TEST(AVIFProgressiveTest, DimensionChangeBigImageMultiThread2) {
	constexpr int kWidth = 1920;
	constexpr int kHeight = 1080;
	// A buffer of neutral gray samples.
	constexpr size_t kBufferSize = 2 * kWidth * kHeight;
	std::vector<unsigned char> buffer(kBufferSize,
	static_cast<unsigned char>(128));

	aom_image_t img;
	EXPECT_EQ(&img, aom_img_wrap(&img, AOM_IMG_FMT_I420, kWidth, kHeight, 1,
	buffer.data()));
	img.cp = AOM_CICP_CP_UNSPECIFIED;
	img.tc = AOM_CICP_TC_UNSPECIFIED;
	img.mc = AOM_CICP_MC_UNSPECIFIED;
	img.range = AOM_CR_FULL_RANGE;

	aom_codec_iface_t *iface = aom_codec_av1_cx();
	aom_codec_enc_cfg_t cfg;
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_enc_config_default(iface, &cfg, AOM_USAGE_GOOD_QUALITY));
	cfg.g_profile = 0;
	cfg.g_w = img.w;
	cfg.g_h = img.h;
	cfg.g_bit_depth = AOM_BITS_8;
	cfg.g_input_bit_depth = 8;
	cfg.g_lag_in_frames = 0;
	cfg.g_threads = 2; // MultiThread
	cfg.rc_end_usage = AOM_Q;
	cfg.rc_min_quantizer = 0;
	cfg.rc_max_quantizer = 63;
	aom_codec_ctx_t enc;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_enc_init(&enc, iface, &cfg, 0));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CQ_LEVEL, 31));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_control(&enc, AOME_SET_CPUUSED, 6));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AV1E_SET_ROW_MT, 1)); // MultiThread
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AV1E_SET_COLOR_RANGE, AOM_CR_FULL_RANGE));
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_TUNING, AOM_TUNE_SSIM));

	// First frame
	const aom_scaling_mode_t scaling_mode = { AOME_ONETWO, AOME_ONETWO };
	EXPECT_EQ(AOM_CODEC_OK,
	aom_codec_control(&enc, AOME_SET_SCALEMODE, &scaling_mode));
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, 0));
	aom_codec_iter_t iter = nullptr;
	const aom_codec_cx_pkt_t *pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0x1f0011.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, AOM_FRAME_IS_KEY);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Second frame
	aom_enc_frame_flags_t encode_flags =
	AOM_EFLAG_NO_REF_GF \| AOM_EFLAG_NO_REF_ARF \| AOM_EFLAG_NO_REF_BWD \|
	AOM_EFLAG_NO_REF_ARF2 \| AOM_EFLAG_NO_UPD_GF \| AOM_EFLAG_NO_UPD_ARF;
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, &img, 0, 1, encode_flags));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	ASSERT_NE(pkt, nullptr);
	EXPECT_EQ(pkt->kind, AOM_CODEC_CX_FRAME_PKT);
	// pkt->data.frame.flags is 0.
	EXPECT_EQ(pkt->data.frame.flags & AOM_FRAME_IS_KEY, 0u);
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	// Flush encoder
	EXPECT_EQ(AOM_CODEC_OK, aom_codec_encode(&enc, nullptr, 0, 1, 0));
	iter = nullptr;
	pkt = aom_codec_get_cx_data(&enc, &iter);
	EXPECT_EQ(pkt, nullptr);

	EXPECT_EQ(AOM_CODEC_OK, aom_codec_destroy(&enc));
	}

	} // namespace