132 lines
4.7 KiB
C
132 lines
4.7 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/detection_bbox.h"
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#include "libavutil/frame.h"
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#include "libavutil/macros.h"
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#include "libavutil/mem.h"
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int main(void)
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{
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AVDetectionBBoxHeader *header;
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AVDetectionBBox *bbox;
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AVFrame *frame;
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size_t size;
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static const unsigned int alloc_counts[] = { 0, 1, 4 };
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/* av_detection_bbox_alloc - various counts */
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printf("Testing av_detection_bbox_alloc()\n");
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for (int i = 0; i < FF_ARRAY_ELEMS(alloc_counts); i++) {
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unsigned int nb = alloc_counts[i];
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header = av_detection_bbox_alloc(nb, &size);
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if (header) {
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printf("alloc %u: OK, nb=%u, size>0=%s\n",
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nb, header->nb_bboxes, size > 0 ? "yes" : "no");
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av_free(header);
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} else {
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printf("alloc %u: FAIL\n", nb);
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}
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}
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/* av_detection_bbox_alloc without size */
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header = av_detection_bbox_alloc(1, NULL);
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printf("alloc (no size): %s\n", header ? "OK" : "FAIL");
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av_free(header);
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/* av_get_detection_bbox - pointer consistency and write/read back */
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printf("\nTesting av_get_detection_bbox()\n");
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header = av_detection_bbox_alloc(3, NULL);
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if (header) {
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for (int i = 0; i < 3; i++) {
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bbox = av_get_detection_bbox(header, i);
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if ((uint8_t *)bbox != (uint8_t *)header + header->bboxes_offset +
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(size_t)i * header->bbox_size)
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printf("bbox %d: pointer inconsistent with bboxes_offset/bbox_size\n", i);
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bbox->x = i * 100;
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bbox->y = i * 200;
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bbox->w = 50 + i;
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bbox->h = 60 + i;
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snprintf(bbox->detect_label, sizeof(bbox->detect_label),
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"obj%d", i);
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bbox->detect_confidence = (AVRational){ 90 + i, 100 };
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}
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for (int i = 0; i < 3; i++) {
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bbox = av_get_detection_bbox(header, i);
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printf("bbox %d: x=%d y=%d w=%d h=%d label=%s conf=%d/%d\n",
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i, bbox->x, bbox->y, bbox->w, bbox->h,
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bbox->detect_label,
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bbox->detect_confidence.num,
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bbox->detect_confidence.den);
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}
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av_free(header);
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}
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/* classify fields */
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printf("\nTesting classify fields\n");
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header = av_detection_bbox_alloc(1, NULL);
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if (header) {
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bbox = av_get_detection_bbox(header, 0);
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bbox->classify_count = 2;
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snprintf(bbox->classify_labels[0], sizeof(bbox->classify_labels[0]),
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"cat");
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bbox->classify_confidences[0] = (AVRational){ 95, 100 };
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snprintf(bbox->classify_labels[1], sizeof(bbox->classify_labels[1]),
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"animal");
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bbox->classify_confidences[1] = (AVRational){ 80, 100 };
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printf("classify_count=%u\n", bbox->classify_count);
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for (int i = 0; i < (int)bbox->classify_count; i++)
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printf("classify %d: %s %d/%d\n", i,
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bbox->classify_labels[i],
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bbox->classify_confidences[i].num,
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bbox->classify_confidences[i].den);
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av_free(header);
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}
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/* header source field */
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printf("\nTesting source field\n");
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header = av_detection_bbox_alloc(1, NULL);
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if (header) {
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snprintf(header->source, sizeof(header->source), "test_model_v1");
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printf("source: %s\n", header->source);
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av_free(header);
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}
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/* av_detection_bbox_create_side_data */
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printf("\nTesting av_detection_bbox_create_side_data()\n");
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frame = av_frame_alloc();
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if (frame) {
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header = av_detection_bbox_create_side_data(frame, 2);
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if (header) {
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printf("side_data: OK, nb=%u\n", header->nb_bboxes);
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bbox = av_get_detection_bbox(header, 0);
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bbox->x = 10;
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bbox->y = 20;
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printf("side_data bbox 0: x=%d y=%d\n", bbox->x, bbox->y);
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} else {
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printf("side_data: FAIL\n");
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}
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av_frame_free(&frame);
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}
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return 0;
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}
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