185 строки
6.6 KiB
C++
185 строки
6.6 KiB
C++
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <math.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "third_party/googletest/src/include/gtest/gtest.h"
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#include "test/acm_random.h"
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#include "vp8/encoder/onyx_int.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_mem/vpx_mem.h"
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using libvpx_test::ACMRandom;
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namespace {
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TEST(VP8RoiMapTest, ParameterCheck) {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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int delta_q[MAX_MB_SEGMENTS] = { -2, -25, 0, 31 };
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int delta_lf[MAX_MB_SEGMENTS] = { -2, -25, 0, 31 };
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unsigned int threshold[MAX_MB_SEGMENTS] = { 0, 100, 200, 300 };
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const int internalq_trans[] = {
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0, 1, 2, 3, 4, 5, 7, 8,
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9, 10, 12, 13, 15, 17, 18, 19,
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20, 21, 23, 24, 25, 26, 27, 28,
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29, 30, 31, 33, 35, 37, 39, 41,
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43, 45, 47, 49, 51, 53, 55, 57,
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59, 61, 64, 67, 70, 73, 76, 79,
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82, 85, 88, 91, 94, 97, 100, 103,
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106, 109, 112, 115, 118, 121, 124, 127,
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};
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// Initialize elements of cpi with valid defaults.
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VP8_COMP cpi;
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cpi.mb.e_mbd.mb_segement_abs_delta = SEGMENT_DELTADATA;
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cpi.cyclic_refresh_mode_enabled = 0;
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cpi.mb.e_mbd.segmentation_enabled = 0;
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cpi.mb.e_mbd.update_mb_segmentation_map = 0;
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cpi.mb.e_mbd.update_mb_segmentation_data = 0;
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cpi.common.mb_rows = 240 >> 4;
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cpi.common.mb_cols = 320 >> 4;
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const int mbs = (cpi.common.mb_rows * cpi.common.mb_cols);
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vpx_memset(cpi.segment_feature_data, 0, sizeof(cpi.segment_feature_data));
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// Segment map
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cpi.segmentation_map = reinterpret_cast<unsigned char *>(vpx_calloc(mbs, 1));
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// Allocate memory for the source memory map.
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unsigned char *roi_map =
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reinterpret_cast<unsigned char *>(vpx_calloc(mbs, 1));
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vpx_memset(&roi_map[mbs >> 2], 1, (mbs >> 2));
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vpx_memset(&roi_map[mbs >> 1], 2, (mbs >> 2));
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vpx_memset(&roi_map[mbs -(mbs >> 2)], 3, (mbs >> 2));
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// Do a test call with valid parameters.
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int roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
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cpi.common.mb_cols, delta_q, delta_lf,
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threshold);
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EXPECT_EQ(0, roi_retval)
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<< "vp8_set_roimap roi failed with default test parameters";
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// Check that the values in the cpi structure get set as expected.
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if (roi_retval == 0) {
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// Check that the segment map got set.
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const int mapcompare = memcmp(roi_map, cpi.segmentation_map, mbs);
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EXPECT_EQ(0, mapcompare) << "segment map error";
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// Check the q deltas (note the need to translate into
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// the interanl range of 0-127.
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for (int i = 0; i < MAX_MB_SEGMENTS; ++i) {
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const int transq = internalq_trans[abs(delta_q[i])];
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if (abs(cpi.segment_feature_data[MB_LVL_ALT_Q][i]) != transq) {
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EXPECT_EQ(transq, cpi.segment_feature_data[MB_LVL_ALT_Q][i])
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<< "segment delta_q error";
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break;
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}
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}
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// Check the loop filter deltas
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for (int i = 0; i < MAX_MB_SEGMENTS; ++i) {
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if (cpi.segment_feature_data[MB_LVL_ALT_LF][i] != delta_lf[i]) {
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EXPECT_EQ(delta_lf[i], cpi.segment_feature_data[MB_LVL_ALT_LF][i])
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<< "segment delta_lf error";
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break;
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}
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}
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// Check the breakout thresholds
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for (int i = 0; i < MAX_MB_SEGMENTS; ++i) {
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unsigned int breakout =
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static_cast<unsigned int>(cpi.segment_encode_breakout[i]);
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if (threshold[i] != breakout) {
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EXPECT_EQ(threshold[i], breakout)
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<< "breakout threshold error";
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break;
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}
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}
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// Segmentation, and segmentation update flages should be set.
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EXPECT_EQ(1, cpi.mb.e_mbd.segmentation_enabled)
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<< "segmentation_enabled error";
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EXPECT_EQ(1, cpi.mb.e_mbd.update_mb_segmentation_map)
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<< "update_mb_segmentation_map error";
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EXPECT_EQ(1, cpi.mb.e_mbd.update_mb_segmentation_data)
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<< "update_mb_segmentation_data error";
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// Try a range of delta q and lf parameters (some legal, some not)
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for (int i = 0; i < 1000; ++i) {
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int rand_deltas[4];
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int deltas_valid;
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rand_deltas[0] = rnd(160) - 80;
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rand_deltas[1] = rnd(160) - 80;
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rand_deltas[2] = rnd(160) - 80;
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rand_deltas[3] = rnd(160) - 80;
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deltas_valid = ((abs(rand_deltas[0]) <= 63) &&
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(abs(rand_deltas[1]) <= 63) &&
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(abs(rand_deltas[2]) <= 63) &&
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(abs(rand_deltas[3]) <= 63)) ? 0 : -1;
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// Test with random delta q values.
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roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
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cpi.common.mb_cols, rand_deltas,
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delta_lf, threshold);
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EXPECT_EQ(deltas_valid, roi_retval) << "dq range check error";
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// One delta_q error shown at a time
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if (deltas_valid != roi_retval)
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break;
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// Test with random loop filter values.
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roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
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cpi.common.mb_cols, delta_q,
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rand_deltas, threshold);
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EXPECT_EQ(deltas_valid, roi_retval) << "dlf range check error";
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// One delta loop filter error shown at a time
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if (deltas_valid != roi_retval)
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break;
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}
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// Test that we report and error if cyclic refresh is enabled.
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cpi.cyclic_refresh_mode_enabled = 1;
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roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
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cpi.common.mb_cols, delta_q,
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delta_lf, threshold);
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EXPECT_EQ(-1, roi_retval) << "cyclic refresh check error";
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cpi.cyclic_refresh_mode_enabled = 0;
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// Test invalid number of rows or colums.
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roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows + 1,
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cpi.common.mb_cols, delta_q,
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delta_lf, threshold);
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EXPECT_EQ(-1, roi_retval) << "MB rows bounds check error";
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roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows,
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cpi.common.mb_cols - 1, delta_q,
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delta_lf, threshold);
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EXPECT_EQ(-1, roi_retval) << "MB cols bounds check error";
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}
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// Free allocated memory
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if (cpi.segmentation_map)
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vpx_free(cpi.segmentation_map);
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if (roi_map)
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vpx_free(roi_map);
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};
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} // namespace
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