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Diffstat (limited to 'media/libvpx/libvpx/test/set_roi.cc')
| -rw-r--r-- | media/libvpx/libvpx/test/set_roi.cc | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/test/set_roi.cc b/media/libvpx/libvpx/test/set_roi.cc new file mode 100644 index 0000000000..693410e391 --- /dev/null +++ b/media/libvpx/libvpx/test/set_roi.cc @@ -0,0 +1,166 @@ +/* + * 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_segment_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); + 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)); + memset(&roi_map[mbs >> 2], 1, (mbs >> 2)); + memset(&roi_map[mbs >> 1], 2, (mbs >> 2)); + 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 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 |