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Code Issues Releases Activity

checkasm/sw_rgb: add deinterleaveBytes

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This commit is contained in:
Ramiro Polla 2024-09-01 15:01:32 +02:00
parent 4c824ad391
commit c08bb33e41
1 changed files with 77 additions and 0 deletions
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77
tests/checkasm/sw_rgb.c
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@ -182,6 +182,80 @@ static void check_interleave_bytes(void)
}
}
static void check_deinterleave_bytes(void)
{
LOCAL_ALIGNED_16(uint8_t, src_buf, [2*MAX_STRIDE*MAX_HEIGHT+2]);
LOCAL_ALIGNED_16(uint8_t, dst0_u_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst0_v_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst1_u_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
LOCAL_ALIGNED_16(uint8_t, dst1_v_buf, [MAX_STRIDE*MAX_HEIGHT+1]);
// Intentionally using unaligned buffers, as this function doesn't have
// any alignment requirements.
uint8_t *src = src_buf + 2;
uint8_t *dst0_u = dst0_u_buf + 1;
uint8_t *dst0_v = dst0_v_buf + 1;
uint8_t *dst1_u = dst1_u_buf + 1;
uint8_t *dst1_v = dst1_v_buf + 1;
declare_func(void, const uint8_t *src, uint8_t *dst1, uint8_t *dst2,
int width, int height, int srcStride,
int dst1Stride, int dst2Stride);
randomize_buffers(src, 2*MAX_STRIDE*MAX_HEIGHT+2);
if (check_func(deinterleaveBytes, "deinterleave_bytes")) {
for (int i = 0; i <= 16; i++) {
// Try all widths [1,16], and try one random width.
int w = i > 0 ? i : (1 + (rnd() % (MAX_STRIDE-2)));
int h = 1 + (rnd() % (MAX_HEIGHT-2));
int src_offset = 0, src_stride = 2 * MAX_STRIDE;
int dst_u_offset = 0, dst_u_stride = MAX_STRIDE;
int dst_v_offset = 0, dst_v_stride = MAX_STRIDE;
memset(dst0_u, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst0_v, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst1_u, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst1_v, 0, MAX_STRIDE * MAX_HEIGHT);
// Try different combinations of negative strides
if (i & 1) {
src_offset = (h-1)*src_stride;
src_stride = -src_stride;
}
if (i & 2) {
dst_u_offset = (h-1)*dst_u_stride;
dst_u_stride = -dst_u_stride;
}
if (i & 4) {
dst_v_offset = (h-1)*dst_v_stride;
dst_v_stride = -dst_v_stride;
}
call_ref(src + src_offset, dst0_u + dst_u_offset, dst0_v + dst_v_offset,
w, h, src_stride, dst_u_stride, dst_v_stride);
call_new(src + src_offset, dst1_u + dst_u_offset, dst1_v + dst_v_offset,
w, h, src_stride, dst_u_stride, dst_v_stride);
// Check a one pixel-pair edge around the destination area,
// to catch overwrites past the end.
checkasm_check(uint8_t, dst0_u, MAX_STRIDE, dst1_u, MAX_STRIDE,
w + 1, h + 1, "dst_u");
checkasm_check(uint8_t, dst0_v, MAX_STRIDE, dst1_v, MAX_STRIDE,
w + 1, h + 1, "dst_v");
}
bench_new(src, dst1_u, dst1_v, 127, MAX_HEIGHT,
2*MAX_STRIDE, MAX_STRIDE, MAX_STRIDE);
}
if (check_func(deinterleaveBytes, "deinterleave_bytes_aligned")) {
// Bench the function in a more typical case, with aligned
// buffers and widths.
bench_new(src_buf, dst1_u_buf, dst1_v_buf, 128, MAX_HEIGHT,
2*MAX_STRIDE, MAX_STRIDE, MAX_STRIDE);
}
}
#define MAX_LINE_SIZE 1920
static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE};
static const enum AVPixelFormat rgb_formats[] = {
@ -315,6 +389,9 @@ void checkasm_check_sw_rgb(void)
check_interleave_bytes();
report("interleave_bytes");
check_deinterleave_bytes();
report("deinterleave_bytes");
ctx = sws_getContext(MAX_LINE_SIZE, MAX_LINE_SIZE, AV_PIX_FMT_RGB24,
MAX_LINE_SIZE, MAX_LINE_SIZE, AV_PIX_FMT_YUV420P,
SWS_ACCURATE_RND | SWS_BITEXACT, NULL, NULL, NULL);