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authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 13:26:42 +0200
commit277f2116b6660e9bbe7f5d67524be57eceb49b8b (patch)
tree4595f7cc71418f71b9a97dfaeb03a30aa60f336a /third_party/aom/test/coding_path_sync.cc
parentd270404436f6e84ffa3b92af537ac721bf10d66e (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.cc205
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