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swscale: ayuv64le input support 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-07-03 12:15:47 +00:00
parent f0489a35c0
commit 052f64ecb2
4 changed files with 40 additions and 0 deletions
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36
libswscale/input.c
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@ -607,6 +607,33 @@ static void read_ya16be_alpha_c(uint8_t *dst, const uint8_t *src, const uint8_t
AV_WN16(dst + i * 2, AV_RB16(src + i * 4 + 2));
}
static void read_ayuv64le_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++)
AV_WN16(dst + i * 2, AV_RL16(src + i * 8 + 2));
}
static void read_ayuv64le_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++) {
AV_WN16(dstU + i * 2, AV_RL16(src + i * 8 + 4));
AV_WN16(dstV + i * 2, AV_RL16(src + i * 8 + 6));
}
}
static void read_ayuv64le_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++)
AV_WN16(dst + i * 2, AV_RL16(src + i * 8));
}
/* 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,
@ -987,6 +1014,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
c->chrToYV12 = bswap16UV_c;
break;
#endif
case AV_PIX_FMT_AYUV64LE:
c->chrToYV12 = read_ayuv64le_UV_c;
break;
}
if (c->chrSrcHSubSample) {
switch (srcFormat) {
@ -1271,6 +1301,9 @@ 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_AYUV64LE:
c->lumToYV12 = read_ayuv64le_Y_c;
break;
case AV_PIX_FMT_YUYV422:
case AV_PIX_FMT_YVYU422:
case AV_PIX_FMT_YA8:
@ -1397,6 +1430,9 @@ 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_AYUV64LE:
c->alpToYV12 = read_ayuv64le_A_c;
break;
case AV_PIX_FMT_PAL8 :
c->alpToYV12 = palToA_c;
break;

2
libswscale/swscale_internal.h
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@ -790,6 +790,8 @@ static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt)
|| (x)==AV_PIX_FMT_YA8 \
|| (x)==AV_PIX_FMT_YA16LE \
|| (x)==AV_PIX_FMT_YA16BE \
|| (x)==AV_PIX_FMT_AYUV64LE \
|| (x)==AV_PIX_FMT_AYUV64BE \
|| isRGBinInt(x) \
|| isBGRinInt(x) \
)

1
libswscale/swscale_unscaled.c
View File

@ -1676,6 +1676,7 @@ void ff_get_unscaled_swscale(SwsContext *c)
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_AYUV64) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||

1
libswscale/utils.c
View File

@ -225,6 +225,7 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
[AV_PIX_FMT_BAYER_GRBG16BE] = { 1, 0 },
[AV_PIX_FMT_XYZ12BE] = { 1, 1, 1 },
[AV_PIX_FMT_XYZ12LE] = { 1, 1, 1 },
[AV_PIX_FMT_AYUV64LE] = { 1, 0},
};
int sws_isSupportedInput(enum AVPixelFormat pix_fmt)