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https://git.ffmpeg.org/ffmpeg.git
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27cd7011bc
Forgotten in e6b125e3be
.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
201 lines
6.1 KiB
C
201 lines
6.1 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 <stdio.h>
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#include "libavutil/avassert.h"
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#include "libavutil/internal.h"
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#include "libavutil/log.h"
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#include "libavutil/mem.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/pixelutils.c"
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#include "libavutil/pixfmt.h"
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#define W1 320
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#define H1 240
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#define W2 640
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#define H2 480
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static void check_pixfmt_descriptors(void)
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{
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const AVPixFmtDescriptor *d, *last = NULL;
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int i;
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for (i = AV_PIX_FMT_NONE, d = NULL; i++, d = av_pix_fmt_desc_next(d);) {
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uint8_t fill[4][8 + 6 + 3] = {{ 0 }};
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uint8_t *data[4] = { fill[0], fill[1], fill[2], fill[3] };
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int linesize[4] = { 0, 0, 0, 0 };
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uint16_t tmp[2];
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av_assert0(d->name && d->name[0]);
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av_log(NULL, AV_LOG_INFO, "Checking: %s\n", d->name);
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av_assert0(d->log2_chroma_w <= 3);
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av_assert0(d->log2_chroma_h <= 3);
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av_assert0(d->nb_components <= 4);
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av_assert0(d->nb_components || (d->flags & AV_PIX_FMT_FLAG_HWACCEL));
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av_assert0(av_get_pix_fmt(d->name) == av_pix_fmt_desc_get_id(d));
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/* The following two checks as well as the one after the loop
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* would need to be changed if we changed the way the descriptors
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* are stored. */
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av_assert0(i == av_pix_fmt_desc_get_id(d));
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av_assert0(!last || last + 1 == d);
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for (int j = 0; j < FF_ARRAY_ELEMS(d->comp); j++) {
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const AVComponentDescriptor *c = &d->comp[j];
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if (j >= d->nb_components) {
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av_assert0(!c->plane && !c->step && !c->offset && !c->shift && !c->depth);
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continue;
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}
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if (d->flags & AV_PIX_FMT_FLAG_BITSTREAM) {
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av_assert0(c->step >= c->depth);
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} else {
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av_assert0(8*c->step >= c->depth);
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}
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if (d->flags & AV_PIX_FMT_FLAG_BAYER)
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continue;
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av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
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av_assert0(tmp[0] == 0 && tmp[1] == 0);
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tmp[0] = tmp[1] = (1ULL << c->depth) - 1;
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av_write_image_line(tmp, data, linesize, d, 0, 0, j, 2);
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}
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last = d;
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}
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av_assert0(i == AV_PIX_FMT_NB);
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}
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static int run_single_test(const char *test,
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const uint8_t *block1, ptrdiff_t stride1,
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const uint8_t *block2, ptrdiff_t stride2,
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int align, int n)
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{
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int out, ref;
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av_pixelutils_sad_fn f_ref = sad_c[n - 1];
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av_pixelutils_sad_fn f_out = av_pixelutils_get_sad_fn(n, n, align, NULL);
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switch (align) {
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case 0: block1++; block2++; break;
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case 1: block2++; break;
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case 2: break;
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}
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out = f_out(block1, stride1, block2, stride2);
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ref = f_ref(block1, stride1, block2, stride2);
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printf("[%s] [%c%c] SAD [%s] %dx%d=%d ref=%d\n",
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out == ref ? "OK" : "FAIL",
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align ? 'A' : 'U', align == 2 ? 'A' : 'U',
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test, 1<<n, 1<<n, out, ref);
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return out != ref;
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}
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static int run_test(const char *test,
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const uint8_t *b1, const uint8_t *b2)
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{
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int i, a, ret = 0;
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for (a = 0; a < 3; a++) {
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for (i = 1; i <= FF_ARRAY_ELEMS(sad_c); i++) {
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int r = run_single_test(test, b1, W1, b2, W2, a, i);
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if (r)
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ret = r;
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}
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}
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return ret;
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}
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int main(void)
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{
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int i, align, ret;
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uint8_t *buf1 = av_malloc(W1*H1);
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uint8_t *buf2 = av_malloc(W2*H2);
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uint32_t state = 0;
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if (!buf1 || !buf2) {
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fprintf(stderr, "malloc failure\n");
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ret = 1;
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goto end;
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}
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check_pixfmt_descriptors();
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#define RANDOM_INIT(buf, size) do { \
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int k; \
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for (k = 0; k < size; k++) { \
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state = state * 1664525 + 1013904223; \
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buf[k] = state>>24; \
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} \
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} while (0)
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/* Normal test with different strides */
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RANDOM_INIT(buf1, W1*H1);
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RANDOM_INIT(buf2, W2*H2);
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ret = run_test("random", buf1, buf2);
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if (ret < 0)
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goto end;
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/* Check for maximum SAD */
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memset(buf1, 0xff, W1*H1);
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memset(buf2, 0x00, W2*H2);
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ret = run_test("max", buf1, buf2);
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if (ret < 0)
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goto end;
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/* Check for minimum SAD */
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memset(buf1, 0x90, W1*H1);
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memset(buf2, 0x90, W2*H2);
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ret = run_test("min", buf1, buf2);
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if (ret < 0)
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goto end;
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/* Exact buffer sizes, to check for overreads */
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for (i = 1; i <= 5; i++) {
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for (align = 0; align < 3; align++) {
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int size1, size2;
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av_freep(&buf1);
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av_freep(&buf2);
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size1 = size2 = 1 << (i << 1);
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switch (align) {
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case 0: size1++; size2++; break;
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case 1: size2++; break;
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case 2: break;
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}
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buf1 = av_malloc(size1);
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buf2 = av_malloc(size2);
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if (!buf1 || !buf2) {
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fprintf(stderr, "malloc failure\n");
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ret = 1;
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goto end;
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}
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RANDOM_INIT(buf1, size1);
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RANDOM_INIT(buf2, size2);
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ret = run_single_test("small", buf1, 1<<i, buf2, 1<<i, align, i);
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if (ret < 0)
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goto end;
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}
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}
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end:
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av_free(buf1);
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av_free(buf2);
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return ret;
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}
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