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swscale/input: add VUYA input support 

Reviewed-by: Philip Langdale <philipl@overt.org>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2022-08-04 00:10:30 -03:00
parent cbb53bfbd8
commit f0abd07996
3 changed files with 37 additions and 1 deletions
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35
libswscale/input.c
View File

@ -650,6 +650,32 @@ static void read_ayuv64le_A_c(uint8_t *dst, const uint8_t *src, const uint8_t *u
AV_WN16(dst + i * 2, AV_RL16(src + i * 8));
}
static void read_vuya_UV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, const uint8_t *src,
const uint8_t *unused1, int width, uint32_t *unused2)
{
int i;
for (i = 0; i < width; i++) {
dstU[i] = src[i * 4 + 1];
dstV[i] = src[i * 4];
}
}
static void read_vuya_Y_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused0, const uint8_t *unused1, int width,
uint32_t *unused2)
{
int i;
for (i = 0; i < width; i++)
dst[i] = src[i * 4 + 2];
}
static void read_vuya_A_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused0, const uint8_t *unused1, int width,
uint32_t *unused2)
{
int i;
for (i = 0; i < width; i++)
dst[i] = src[i * 4 + 3];
}
/* This is almost identical to the previous, end exists only because
* yuy2ToY/UV)(dst, src + 1, ...) would have 100% unaligned accesses. */
static void uyvyToY_c(uint8_t *dst, const uint8_t *src, const uint8_t *unused1, const uint8_t *unused2, int width,
@ -1229,6 +1255,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
c->chrToYV12 = bswap16UV_c;
break;
#endif
case AV_PIX_FMT_VUYA:
c->chrToYV12 = read_vuya_UV_c;
break;
case AV_PIX_FMT_AYUV64LE:
c->chrToYV12 = read_ayuv64le_UV_c;
break;
@ -1591,6 +1620,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_YA16BE:
c->lumToYV12 = read_ya16be_gray_c;
break;
case AV_PIX_FMT_VUYA:
c->lumToYV12 = read_vuya_Y_c;
break;
case AV_PIX_FMT_AYUV64LE:
c->lumToYV12 = read_ayuv64le_Y_c;
break;
@ -1746,6 +1778,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_YA16BE:
c->alpToYV12 = read_ya16be_alpha_c;
break;
case AV_PIX_FMT_VUYA:
c->alpToYV12 = read_vuya_A_c;
break;
case AV_PIX_FMT_AYUV64LE:
c->alpToYV12 = read_ayuv64le_A_c;
break;

1
libswscale/utils.c
View File

@ -258,6 +258,7 @@ static const FormatEntry format_entries[] = {
[AV_PIX_FMT_P416BE] = { 1, 1 },
[AV_PIX_FMT_P416LE] = { 1, 1 },
[AV_PIX_FMT_NV16] = { 1, 1 },
[AV_PIX_FMT_VUYA] = { 1, 0 },
};
int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,

2
libswscale/version.h
View File

@ -29,7 +29,7 @@
#include "version_major.h"
#define LIBSWSCALE_VERSION_MINOR 8
#define LIBSWSCALE_VERSION_MICRO 101
#define LIBSWSCALE_VERSION_MICRO 102
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
LIBSWSCALE_VERSION_MINOR, \