mirror of
https://github.com/librempeg/librempeg
synced 2024-11-22 18:49:58 +00:00
207 lines
7.6 KiB
C
207 lines
7.6 KiB
C
/*
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*
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "libavutil/common.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/mem_internal.h"
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#include "libswscale/rgb2rgb.h"
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#include "checkasm.h"
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#define randomize_buffers(buf, size) \
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do { \
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int j; \
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for (j = 0; j < size; j+=4) \
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AV_WN32(buf + j, rnd()); \
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} while (0)
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static const uint8_t width[] = {12, 16, 20, 32, 36, 128};
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static const struct {uint8_t w, h, s;} planes[] = {
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{12,16,12}, {16,16,16}, {20,23,25}, {32,18,48}, {8,128,16}, {128,128,128}
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};
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#define MAX_STRIDE 128
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#define MAX_HEIGHT 128
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static void check_shuffle_bytes(void * func, const char * report)
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{
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int i;
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LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);
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LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);
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LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);
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LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);
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declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *src, uint8_t *dst, int src_size);
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memset(dst0, 0, MAX_STRIDE);
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memset(dst1, 0, MAX_STRIDE);
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randomize_buffers(src0, MAX_STRIDE);
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memcpy(src1, src0, MAX_STRIDE);
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if (check_func(func, "%s", report)) {
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for (i = 0; i < 6; i ++) {
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call_ref(src0, dst0, width[i]);
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call_new(src1, dst1, width[i]);
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if (memcmp(dst0, dst1, MAX_STRIDE))
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fail();
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}
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bench_new(src0, dst0, width[5]);
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}
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}
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static void check_uyvy_to_422p(void)
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{
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int i;
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LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT * 2]);
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LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT * 2]);
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LOCAL_ALIGNED_32(uint8_t, dst_y_0, [MAX_STRIDE * MAX_HEIGHT]);
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LOCAL_ALIGNED_32(uint8_t, dst_y_1, [MAX_STRIDE * MAX_HEIGHT]);
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LOCAL_ALIGNED_32(uint8_t, dst_u_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);
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LOCAL_ALIGNED_32(uint8_t, dst_u_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);
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LOCAL_ALIGNED_32(uint8_t, dst_v_0, [(MAX_STRIDE/2) * MAX_HEIGHT]);
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LOCAL_ALIGNED_32(uint8_t, dst_v_1, [(MAX_STRIDE/2) * MAX_HEIGHT]);
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declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int lumStride, int chromStride, int srcStride);
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randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT * 2);
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memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT * 2);
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if (check_func(uyvytoyuv422, "uyvytoyuv422")) {
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for (i = 0; i < 6; i ++) {
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memset(dst_y_0, 0, MAX_STRIDE * MAX_HEIGHT);
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memset(dst_y_1, 0, MAX_STRIDE * MAX_HEIGHT);
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memset(dst_u_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
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memset(dst_u_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
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memset(dst_v_0, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
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memset(dst_v_1, 0, (MAX_STRIDE/2) * MAX_HEIGHT);
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call_ref(dst_y_0, dst_u_0, dst_v_0, src0, planes[i].w, planes[i].h,
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MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);
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call_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[i].w, planes[i].h,
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MAX_STRIDE, MAX_STRIDE / 2, planes[i].s);
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if (memcmp(dst_y_0, dst_y_1, MAX_STRIDE * MAX_HEIGHT) ||
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memcmp(dst_u_0, dst_u_1, (MAX_STRIDE/2) * MAX_HEIGHT) ||
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memcmp(dst_v_0, dst_v_1, (MAX_STRIDE/2) * MAX_HEIGHT))
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fail();
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}
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bench_new(dst_y_1, dst_u_1, dst_v_1, src1, planes[5].w, planes[5].h,
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MAX_STRIDE, MAX_STRIDE / 2, planes[5].s);
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}
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}
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static void check_interleave_bytes(void)
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{
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LOCAL_ALIGNED_16(uint8_t, src0_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
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LOCAL_ALIGNED_16(uint8_t, src1_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
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LOCAL_ALIGNED_16(uint8_t, dst0_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
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LOCAL_ALIGNED_16(uint8_t, dst1_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
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// Intentionally using unaligned buffers, as this function doesn't have
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// any alignment requirements.
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uint8_t *src0 = src0_buf + 1;
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uint8_t *src1 = src1_buf + 1;
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uint8_t *dst0 = dst0_buf + 2;
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uint8_t *dst1 = dst1_buf + 2;
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declare_func_emms(AV_CPU_FLAG_MMX, void, const uint8_t *, const uint8_t *,
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uint8_t *, int, int, int, int, int);
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randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
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randomize_buffers(src1, MAX_STRIDE * MAX_HEIGHT);
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if (check_func(interleaveBytes, "interleave_bytes")) {
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for (int i = 0; i <= 16; i++) {
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// Try all widths [1,16], and try one random width.
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int w = i > 0 ? i : (1 + (rnd() % (MAX_STRIDE-2)));
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int h = 1 + (rnd() % (MAX_HEIGHT-2));
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int src0_offset = 0, src0_stride = MAX_STRIDE;
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int src1_offset = 0, src1_stride = MAX_STRIDE;
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int dst_offset = 0, dst_stride = 2 * MAX_STRIDE;
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memset(dst0, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
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memset(dst1, 0, 2 * MAX_STRIDE * MAX_HEIGHT);
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// Try different combinations of negative strides
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if (i & 1) {
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src0_offset = (h-1)*src0_stride;
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src0_stride = -src0_stride;
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}
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if (i & 2) {
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src1_offset = (h-1)*src1_stride;
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src1_stride = -src1_stride;
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}
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if (i & 4) {
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dst_offset = (h-1)*dst_stride;
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dst_stride = -dst_stride;
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}
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call_ref(src0 + src0_offset, src1 + src1_offset, dst0 + dst_offset,
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w, h, src0_stride, src1_stride, dst_stride);
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call_new(src0 + src0_offset, src1 + src1_offset, dst1 + dst_offset,
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w, h, src0_stride, src1_stride, dst_stride);
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// Check a one pixel-pair edge around the destination area,
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// to catch overwrites past the end.
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checkasm_check(uint8_t, dst0, 2*MAX_STRIDE, dst1, 2*MAX_STRIDE,
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2 * w + 2, h + 1, "dst");
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}
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bench_new(src0, src1, dst1, 127, MAX_HEIGHT,
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MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
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}
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if (check_func(interleaveBytes, "interleave_bytes_aligned")) {
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// Bench the function in a more typical case, with aligned
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// buffers and widths.
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bench_new(src0_buf, src1_buf, dst1_buf, 128, MAX_HEIGHT,
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MAX_STRIDE, MAX_STRIDE, 2*MAX_STRIDE);
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}
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}
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void checkasm_check_sw_rgb(void)
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{
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ff_sws_rgb2rgb_init();
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check_shuffle_bytes(shuffle_bytes_2103, "shuffle_bytes_2103");
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report("shuffle_bytes_2103");
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check_shuffle_bytes(shuffle_bytes_0321, "shuffle_bytes_0321");
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report("shuffle_bytes_0321");
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check_shuffle_bytes(shuffle_bytes_1230, "shuffle_bytes_1230");
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report("shuffle_bytes_1230");
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check_shuffle_bytes(shuffle_bytes_3012, "shuffle_bytes_3012");
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report("shuffle_bytes_3012");
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check_shuffle_bytes(shuffle_bytes_3210, "shuffle_bytes_3210");
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report("shuffle_bytes_3210");
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check_uyvy_to_422p();
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report("uyvytoyuv422");
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check_interleave_bytes();
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report("interleave_bytes");
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}
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