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swscale/swscale_unscaled: add unscaled conversion for AYUV/VUYA/UYVA

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Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
James Almer 2024-10-29 16:14:04 -03:00 committed by Paul B Mahol
parent 1abcacb15e
commit 93b9563fda
4 changed files with 37 additions and 0 deletions
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4
libswscale/rgb2rgb.c
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@ -56,6 +56,10 @@ void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_3102)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_2013)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_2130)(const uint8_t *src, uint8_t *dst, int src_size);
void (*shuffle_bytes_1203)(const uint8_t *src, uint8_t *dst, int src_size);
void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc,

4
libswscale/rgb2rgb.h
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@ -52,6 +52,10 @@ extern void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size
extern void (*shuffle_bytes_1230)(const uint8_t *src, uint8_t *dst, int src_size);
extern void (*shuffle_bytes_3012)(const uint8_t *src, uint8_t *dst, int src_size);
extern void (*shuffle_bytes_3210)(const uint8_t *src, uint8_t *dst, int src_size);
extern void (*shuffle_bytes_3102)(const uint8_t *src, uint8_t *dst, int src_size);
extern void (*shuffle_bytes_2013)(const uint8_t *src, uint8_t *dst, int src_size);
extern void (*shuffle_bytes_2130)(const uint8_t *src, uint8_t *dst, int src_size);
extern void (*shuffle_bytes_1203)(const uint8_t *src, uint8_t *dst, int src_size);
void rgb64tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size);
void rgb64tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size);

8
libswscale/rgb2rgb_template.c
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@ -359,6 +359,10 @@ static void shuffle_bytes_##name (const uint8_t *src, \
DEFINE_SHUFFLE_BYTES(1230_c, 1, 2, 3, 0)
DEFINE_SHUFFLE_BYTES(3012_c, 3, 0, 1, 2)
DEFINE_SHUFFLE_BYTES(3210_c, 3, 2, 1, 0)
DEFINE_SHUFFLE_BYTES(3102_c, 3, 1, 0, 2)
DEFINE_SHUFFLE_BYTES(2013_c, 2, 0, 1, 3)
DEFINE_SHUFFLE_BYTES(2130_c, 2, 1, 3, 0)
DEFINE_SHUFFLE_BYTES(1203_c, 1, 2, 0, 3)
static inline void rgb24tobgr24_c(const uint8_t *src, uint8_t *dst, int src_size)
{
@ -970,6 +974,10 @@ static av_cold void rgb2rgb_init_c(void)
shuffle_bytes_1230 = shuffle_bytes_1230_c;
shuffle_bytes_3012 = shuffle_bytes_3012_c;
shuffle_bytes_3210 = shuffle_bytes_3210_c;
shuffle_bytes_3102 = shuffle_bytes_3102_c;
shuffle_bytes_2013 = shuffle_bytes_2013_c;
shuffle_bytes_2130 = shuffle_bytes_2130_c;
shuffle_bytes_1203 = shuffle_bytes_1203_c;
rgb32tobgr16 = rgb32tobgr16_c;
rgb32tobgr15 = rgb32tobgr15_c;
yv12toyuy2 = yv12toyuy2_c;

21
libswscale/swscale_unscaled.c
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@ -1497,6 +1497,13 @@ static int bayer_to_yv12_wrapper(SwsInternal *c, const uint8_t *const src[],
|| (x) == AV_PIX_FMT_BGR48BE \
)
#define isAYUV(x) ( \
(x) == AV_PIX_FMT_AYUV \
|| (x) == AV_PIX_FMT_VUYA \
|| (x) == AV_PIX_FMT_VUYX \
|| (x) == AV_PIX_FMT_UYVA \
)
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
static rgbConvFn findRgbConvFn(SwsInternal *c)
@ -1569,6 +1576,16 @@ static rgbConvFn findRgbConvFn(SwsInternal *c)
|| CONV_IS(BGRA64LE, BGR48BE)
|| CONV_IS(RGBA64BE, RGB48LE)
|| CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
} else if (isAYUV(srcFormat) && isAYUV(dstFormat)) {
/* VUYX only for dst, to avoid copying undefined bytes */
if ( CONV_IS(AYUV, VUYA)
|| CONV_IS(AYUV, VUYX)
|| CONV_IS(VUYA, AYUV)) conv = shuffle_bytes_3210;
else if (CONV_IS(AYUV, UYVA)) conv = shuffle_bytes_2130;
else if (CONV_IS(VUYA, UYVA)) conv = shuffle_bytes_1203;
else if (CONV_IS(UYVA, AYUV)) conv = shuffle_bytes_3102;
else if (CONV_IS(UYVA, VUYA)
|| CONV_IS(UYVA, VUYX)) conv = shuffle_bytes_2013;
} else
/* BGR -> BGR */
if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
@ -2086,6 +2103,10 @@ void ff_get_unscaled_swscale(SwsInternal *c)
!(flags & SWS_ACCURATE_RND) && !(dstW&1))
c->convert_unscaled = bgr24ToYv12Wrapper;
/* AYUV/VUYA/UYVA -> AYUV/VUYA/UYVA */
if (isAYUV(srcFormat) && isAYUV(dstFormat) && findRgbConvFn(c))
c->convert_unscaled = rgbToRgbWrapper;
/* RGB/BGR -> RGB/BGR (no dither needed forms) */
if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))