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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2020-04-14 13:26:42 +0200 |
commit | 277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch) | |
tree | 4595f7cc71418f71b9a97dfaeb03a30aa60f336a /third_party/aom/test/coding_path_sync.cc | |
parent | d270404436f6e84ffa3b92af537ac721bf10d66e (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/test/coding_path_sync.cc')
-rw-r--r-- | third_party/aom/test/coding_path_sync.cc | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/third_party/aom/test/coding_path_sync.cc b/third_party/aom/test/coding_path_sync.cc deleted file mode 100644 index 6735236cc..000000000 --- a/third_party/aom/test/coding_path_sync.cc +++ /dev/null @@ -1,205 +0,0 @@ -/* - * 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 <vector> -#include "third_party/googletest/src/googletest/include/gtest/gtest.h" -#include "test/acm_random.h" - -#include "config/aom_config.h" - -#include "aom_ports/mem.h" // ROUND_POWER_OF_TWO -#include "aom/aomcx.h" -#include "aom/aomdx.h" -#include "aom/aom_encoder.h" -#include "aom/aom_decoder.h" - -using libaom_test::ACMRandom; -namespace { - -class CompressedSource { - public: - explicit CompressedSource(int seed) : rnd_(seed), frame_count_(0) { - aom_codec_iface_t *algo = aom_codec_av1_cx(); - - aom_codec_enc_cfg_t cfg; - aom_codec_enc_config_default(algo, &cfg, 0); - - // force the quantizer, to reduce the sensitivity on encoding choices. - // e.g, we don't want this test to break when the rate control is modified. - { - const int max_q = cfg.rc_max_quantizer; - const int min_q = cfg.rc_min_quantizer; - const int q = rnd_.PseudoUniform(max_q - min_q + 1) + min_q; - - cfg.rc_end_usage = AOM_Q; - cfg.rc_max_quantizer = q; - cfg.rc_min_quantizer = q; - } - - // choose the picture size - { - width_ = rnd_.PseudoUniform(kWidth - 8) + 8; - height_ = rnd_.PseudoUniform(kHeight - 8) + 8; - } - - // choose the chroma subsampling - { - const aom_img_fmt_t fmts[] = { - AOM_IMG_FMT_I420, - AOM_IMG_FMT_I422, - AOM_IMG_FMT_I444, - }; - - format_ = fmts[rnd_.PseudoUniform(NELEMENTS(fmts))]; - } - - cfg.g_w = width_; - cfg.g_h = height_; - cfg.g_lag_in_frames = 0; - if (format_ == AOM_IMG_FMT_I420) - cfg.g_profile = 0; - else if (format_ == AOM_IMG_FMT_I444) - cfg.g_profile = 1; - else if (format_ == AOM_IMG_FMT_I422) - cfg.g_profile = 2; - - aom_codec_enc_init(&enc_, algo, &cfg, 0); - } - - ~CompressedSource() { aom_codec_destroy(&enc_); } - - const aom_codec_cx_pkt_t *ReadFrame() { - uint8_t buf[kWidth * kHeight * 3] = { 0 }; - - // render regular pattern - const int period = rnd_.Rand8() % 32 + 1; - const int phase = rnd_.Rand8() % period; - - const int val_a = rnd_.Rand8(); - const int val_b = rnd_.Rand8(); - - for (int i = 0; i < (int)sizeof buf; ++i) - buf[i] = (i + phase) % period < period / 2 ? val_a : val_b; - - aom_image_t img; - aom_img_wrap(&img, format_, width_, height_, 0, buf); - aom_codec_encode(&enc_, &img, frame_count_++, 1, 0); - - aom_codec_iter_t iter = NULL; - - const aom_codec_cx_pkt_t *pkt = NULL; - - do { - pkt = aom_codec_get_cx_data(&enc_, &iter); - } while (pkt && pkt->kind != AOM_CODEC_CX_FRAME_PKT); - - return pkt; - } - - private: - static const int kWidth = 128; - static const int kHeight = 128; - - ACMRandom rnd_; - aom_img_fmt_t format_; - aom_codec_ctx_t enc_; - int frame_count_; - int width_, height_; -}; - -// lowers an aom_image_t to a easily comparable/printable form -std::vector<int16_t> Serialize(const aom_image_t *img) { - std::vector<int16_t> bytes; - bytes.reserve(img->d_w * img->d_h * 3); - for (int plane = 0; plane < 3; ++plane) { - const int w = aom_img_plane_width(img, plane); - const int h = aom_img_plane_height(img, plane); - - for (int r = 0; r < h; ++r) { - for (int c = 0; c < w; ++c) { - unsigned char *row = img->planes[plane] + r * img->stride[plane]; - if (img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) - bytes.push_back(row[c * 2]); - else - bytes.push_back(row[c]); - } - } - } - - return bytes; -} - -class Decoder { - public: - explicit Decoder(int allowLowbitdepth) { - aom_codec_iface_t *algo = aom_codec_av1_dx(); - - aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t(); - cfg.allow_lowbitdepth = allowLowbitdepth; - - aom_codec_dec_init(&dec_, algo, &cfg, 0); - } - - ~Decoder() { aom_codec_destroy(&dec_); } - - std::vector<int16_t> decode(const aom_codec_cx_pkt_t *pkt) { - aom_codec_decode(&dec_, static_cast<uint8_t *>(pkt->data.frame.buf), - pkt->data.frame.sz, NULL); - - aom_codec_iter_t iter = NULL; - return Serialize(aom_codec_get_frame(&dec_, &iter)); - } - - private: - aom_codec_ctx_t dec_; -}; - -// Try to reveal a mismatch between LBD and HBD coding paths. -TEST(CodingPathSync, SearchForHbdLbdMismatch) { - const int count_tests = 10; - for (int i = 0; i < count_tests; ++i) { - Decoder dec_hbd(0); - Decoder dec_lbd(1); - - CompressedSource enc(i); - - for (int k = 0; k < 3; ++k) { - const aom_codec_cx_pkt_t *frame = enc.ReadFrame(); - - std::vector<int16_t> lbd_yuv = dec_lbd.decode(frame); - std::vector<int16_t> hbd_yuv = dec_hbd.decode(frame); - - ASSERT_EQ(lbd_yuv, hbd_yuv); - } - } -} - -TEST(CodingPathSyncLarge, SearchForHbdLbdMismatchLarge) { - const int count_tests = 100; - const int seed = 1234; - for (int i = 0; i < count_tests; ++i) { - Decoder dec_hbd(0); - Decoder dec_lbd(1); - - CompressedSource enc(seed + i); - - for (int k = 0; k < 5; ++k) { - const aom_codec_cx_pkt_t *frame = enc.ReadFrame(); - - std::vector<int16_t> lbd_yuv = dec_lbd.decode(frame); - std::vector<int16_t> hbd_yuv = dec_hbd.decode(frame); - - ASSERT_EQ(lbd_yuv, hbd_yuv); - } - } -} - -} // namespace |