ref: f2c21cfa1e4e0687a6f4a8298ced68bd69c919dd
dir: /test/set_roi.cc/
/* * Copyright (c) 2012 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include <math.h> #include <stddef.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> #include "third_party/googletest/src/include/gtest/gtest.h" #include "test/acm_random.h" #include "vp8/encoder/onyx_int.h" #include "vpx/vpx_integer.h" #include "vpx_mem/vpx_mem.h" using libvpx_test::ACMRandom; namespace { TEST(VP8RoiMapTest, ParameterCheck) { ACMRandom rnd(ACMRandom::DeterministicSeed()); int delta_q[MAX_MB_SEGMENTS] = { -2, -25, 0, 31 }; int delta_lf[MAX_MB_SEGMENTS] = { -2, -25, 0, 31 }; unsigned int threshold[MAX_MB_SEGMENTS] = { 0, 100, 200, 300 }; const int internalq_trans[] = { 0, 1, 2, 3, 4, 5, 7, 8, 9, 10, 12, 13, 15, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127, }; // Initialize elements of cpi with valid defaults. VP8_COMP cpi; cpi.mb.e_mbd.mb_segement_abs_delta = SEGMENT_DELTADATA; cpi.cyclic_refresh_mode_enabled = 0; cpi.mb.e_mbd.segmentation_enabled = 0; cpi.mb.e_mbd.update_mb_segmentation_map = 0; cpi.mb.e_mbd.update_mb_segmentation_data = 0; cpi.common.mb_rows = 240 >> 4; cpi.common.mb_cols = 320 >> 4; const int mbs = (cpi.common.mb_rows * cpi.common.mb_cols); vpx_memset(cpi.segment_feature_data, 0, sizeof(cpi.segment_feature_data)); // Segment map cpi.segmentation_map = reinterpret_cast<unsigned char *>(vpx_calloc(mbs, 1)); // Allocate memory for the source memory map. unsigned char *roi_map = reinterpret_cast<unsigned char *>(vpx_calloc(mbs, 1)); vpx_memset(&roi_map[mbs >> 2], 1, (mbs >> 2)); vpx_memset(&roi_map[mbs >> 1], 2, (mbs >> 2)); vpx_memset(&roi_map[mbs -(mbs >> 2)], 3, (mbs >> 2)); // Do a test call with valid parameters. int roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows, cpi.common.mb_cols, delta_q, delta_lf, threshold); EXPECT_EQ(0, roi_retval) << "vp8_set_roimap roi failed with default test parameters"; // Check that the values in the cpi structure get set as expected. if (roi_retval == 0) { // Check that the segment map got set. const int mapcompare = memcmp(roi_map, cpi.segmentation_map, mbs); EXPECT_EQ(0, mapcompare) << "segment map error"; // Check the q deltas (note the need to translate into // the interanl range of 0-127. for (int i = 0; i < MAX_MB_SEGMENTS; ++i) { const int transq = internalq_trans[abs(delta_q[i])]; if (abs(cpi.segment_feature_data[MB_LVL_ALT_Q][i]) != transq) { EXPECT_EQ(transq, cpi.segment_feature_data[MB_LVL_ALT_Q][i]) << "segment delta_q error"; break; } } // Check the loop filter deltas for (int i = 0; i < MAX_MB_SEGMENTS; ++i) { if (cpi.segment_feature_data[MB_LVL_ALT_LF][i] != delta_lf[i]) { EXPECT_EQ(delta_lf[i], cpi.segment_feature_data[MB_LVL_ALT_LF][i]) << "segment delta_lf error"; break; } } // Check the breakout thresholds for (int i = 0; i < MAX_MB_SEGMENTS; ++i) { unsigned int breakout = static_cast<unsigned int>(cpi.segment_encode_breakout[i]); if (threshold[i] != breakout) { EXPECT_EQ(threshold[i], breakout) << "breakout threshold error"; break; } } // Segmentation, and segmentation update flages should be set. EXPECT_EQ(1, cpi.mb.e_mbd.segmentation_enabled) << "segmentation_enabled error"; EXPECT_EQ(1, cpi.mb.e_mbd.update_mb_segmentation_map) << "update_mb_segmentation_map error"; EXPECT_EQ(1, cpi.mb.e_mbd.update_mb_segmentation_data) << "update_mb_segmentation_data error"; // Try a range of delta q and lf parameters (some legal, some not) for (int i = 0; i < 1000; ++i) { int rand_deltas[4]; int deltas_valid; rand_deltas[0] = rnd(160) - 80; rand_deltas[1] = rnd(160) - 80; rand_deltas[2] = rnd(160) - 80; rand_deltas[3] = rnd(160) - 80; deltas_valid = ((abs(rand_deltas[0]) <= 63) && (abs(rand_deltas[1]) <= 63) && (abs(rand_deltas[2]) <= 63) && (abs(rand_deltas[3]) <= 63)) ? 0 : -1; // Test with random delta q values. roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows, cpi.common.mb_cols, rand_deltas, delta_lf, threshold); EXPECT_EQ(deltas_valid, roi_retval) << "dq range check error"; // One delta_q error shown at a time if (deltas_valid != roi_retval) break; // Test with random loop filter values. roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows, cpi.common.mb_cols, delta_q, rand_deltas, threshold); EXPECT_EQ(deltas_valid, roi_retval) << "dlf range check error"; // One delta loop filter error shown at a time if (deltas_valid != roi_retval) break; } // Test that we report and error if cyclic refresh is enabled. cpi.cyclic_refresh_mode_enabled = 1; roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows, cpi.common.mb_cols, delta_q, delta_lf, threshold); EXPECT_EQ(-1, roi_retval) << "cyclic refresh check error"; cpi.cyclic_refresh_mode_enabled = 0; // Test invalid number of rows or colums. roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows + 1, cpi.common.mb_cols, delta_q, delta_lf, threshold); EXPECT_EQ(-1, roi_retval) << "MB rows bounds check error"; roi_retval = vp8_set_roimap(&cpi, roi_map, cpi.common.mb_rows, cpi.common.mb_cols - 1, delta_q, delta_lf, threshold); EXPECT_EQ(-1, roi_retval) << "MB cols bounds check error"; } // Free allocated memory if (cpi.segmentation_map) vpx_free(cpi.segmentation_map); if (roi_map) vpx_free(roi_map); }; } // namespace