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swscale/aarch64: Fix rgb24toyv12 only works with aligned width 

Since c0666d8b, rgb24toyv12 is broken for width non-aligned to 16.
Add a simple wrapper to handle the non-aligned part.

Co-authored-by: johzzy <hellojinqiang@gmail.com>
Signed-off-by: Zhao Zhili <zhilizhao@tencent.com>
This commit is contained in:
Zhao Zhili 2024-09-18 21:11:44 +08:00
parent 0dd6f1d5bf
commit e18b46d95f
2 changed files with 23 additions and 2 deletions
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23
libswscale/aarch64/rgb2rgb.c
View File

@ -27,9 +27,30 @@
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
// Only handle width aligned to 16
void ff_rgb24toyv12_neon(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst, int width, int height, int lumStride,
int chromStride, int srcStride, int32_t *rgb2yuv);
static void rgb24toyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
uint8_t *vdst, int width, int height, int lumStride,
int chromStride, int srcStride, int32_t *rgb2yuv)
{
int width_align = width & (~15);
if (width_align > 0)
ff_rgb24toyv12_neon(src, ydst, udst, vdst, width_align, height,
lumStride, chromStride, srcStride, rgb2yuv);
if (width_align < width) {
src += width_align * 3;
ydst += width_align;
udst += width_align / 2;
vdst += width_align / 2;
ff_rgb24toyv12_c(src, ydst, udst, vdst, width - width_align, height,
lumStride, chromStride, srcStride, rgb2yuv);
}
}
void ff_interleave_bytes_neon(const uint8_t *src1, const uint8_t *src2,
uint8_t *dest, int width, int height,
int src1Stride, int src2Stride, int dstStride);
@ -42,7 +63,7 @@ av_cold void rgb2rgb_init_aarch64(void)
int cpu_flags = av_get_cpu_flags();
if (have_neon(cpu_flags)) {
ff_rgb24toyv12 = ff_rgb24toyv12_neon;
ff_rgb24toyv12 = rgb24toyv12;
interleaveBytes = ff_interleave_bytes_neon;
deinterleaveBytes = ff_deinterleave_bytes_neon;
}

2
tests/checkasm/sw_rgb.c
View File

@ -129,7 +129,7 @@ static int cmp_off_by_n(const uint8_t *ref, const uint8_t *test, size_t n, int a
static void check_rgb24toyv12(struct SwsContext *ctx)
{
static const int input_sizes[] = {16, 128, 512, MAX_LINE_SIZE, -MAX_LINE_SIZE};
static const int input_sizes[] = {2, 16, 128, 540, MAX_LINE_SIZE, -MAX_LINE_SIZE};
LOCAL_ALIGNED_32(uint8_t, src, [BUFSIZE * 3]);
LOCAL_ALIGNED_32(uint8_t, buf_y_0, [BUFSIZE]);