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swscale: implement YA8 output

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-07-01 19:40:26 +00:00
parent d0eff8857c
commit 2778fdbe54
13 changed files with 108 additions and 1 deletions
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96
libswscale/output.c
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@ -1917,6 +1917,97 @@ yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
}
}
static void
yuv2ya8_1_c(SwsContext *c, const int16_t *buf0,
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf0, uint8_t *dest, int dstW,
int uvalpha, int y)
{
int hasAlpha = !!abuf0;
int i;
for (i = 0; i < dstW; i++) {
int Y = (buf0[i] + 64) >> 7;
int A;
Y = av_clip_uint8(Y);
if (hasAlpha) {
A = (abuf0[i] + 64) >> 7;
if (A & 0x100)
A = av_clip_uint8(A);
}
dest[i * 2 ] = Y;
dest[i * 2 + 1] = hasAlpha ? A : 255;
}
}
static void
yuv2ya8_2_c(SwsContext *c, const int16_t *buf[2],
const int16_t *ubuf[2], const int16_t *vbuf[2],
const int16_t *abuf[2], uint8_t *dest, int dstW,
int yalpha, int uvalpha, int y)
{
int hasAlpha = abuf[0] && abuf[1];
const int16_t *buf0 = buf[0], *buf1 = buf[1],
*abuf0 = hasAlpha ? abuf[0] : NULL,
*abuf1 = hasAlpha ? abuf[1] : NULL;
int yalpha1 = 4096 - yalpha;
int i;
for (i = 0; i < dstW; i++) {
int Y = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int A;
Y = av_clip_uint8(Y);
if (hasAlpha) {
A = (abuf0[i * 2] * yalpha1 + abuf1[i * 2] * yalpha) >> 19;
A = av_clip_uint8(A);
}
dest[i * 2 ] = Y;
dest[i * 2 + 1] = hasAlpha ? A : 255;
}
}
static void
yuv2ya8_X_c(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
{
int hasAlpha = !!alpSrc;
int i;
for (i = 0; i < dstW; i++) {
int j;
int Y = 1 << 18, A = 1 << 18;
for (j = 0; j < lumFilterSize; j++)
Y += lumSrc[j][i] * lumFilter[j];
Y >>= 19;
if (Y & 0x100)
Y = av_clip_uint8(Y);
if (hasAlpha) {
for (j = 0; j < lumFilterSize; j++)
A += alpSrc[j][i] * lumFilter[j];
A >>= 19;
if (A & 0x100)
A = av_clip_uint8(A);
}
dest[2 * i ] = Y;
dest[2 * i + 1] = hasAlpha ? A : 255;
}
}
av_cold void ff_sws_init_output_funcs(SwsContext *c,
yuv2planar1_fn *yuv2plane1,
yuv2planarX_fn *yuv2planeX,
@ -2361,5 +2452,10 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packed2 = yuv2uyvy422_2_c;
*yuv2packedX = yuv2uyvy422_X_c;
break;
case AV_PIX_FMT_YA8:
*yuv2packed1 = yuv2ya8_1_c;
*yuv2packed2 = yuv2ya8_2_c;
*yuv2packedX = yuv2ya8_X_c;
break;
}
}

2
libswscale/utils.c
View File

@ -166,7 +166,7 @@ static const FormatEntry format_entries[AV_PIX_FMT_NB] = {
[AV_PIX_FMT_RGB444BE] = { 1, 1 },
[AV_PIX_FMT_BGR444LE] = { 1, 1 },
[AV_PIX_FMT_BGR444BE] = { 1, 1 },
[AV_PIX_FMT_YA8] = { 1, 0 },
[AV_PIX_FMT_YA8] = { 1, 1 },
[AV_PIX_FMT_YA16BE] = { 1, 0 },
[AV_PIX_FMT_YA16LE] = { 1, 0 },
[AV_PIX_FMT_BGR48BE] = { 1, 1 },

1
tests/ref/fate/filter-pixdesc-ya8 Normal file
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@ -0,0 +1 @@
pixdesc-ya8 1719d17930180793286230dd38d18edb

1
tests/ref/fate/filter-pixfmts-copy
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@ -53,6 +53,7 @@ rgba64le b91e1d77f799eb92241a2d2d28437b15
uyvy422 3bcf3c80047592f2211fae3260b1b65d
xyz12be a1ef56bf746d71f59669c28e48fc8450
xyz12le 831ff03c1ba4ef19374686f16a064d8c
ya8 e4bdc2165c1fe29905accfc68e7597ca
yuv410p 5d4d992a7728431aa4e0700f87fb7fd8
yuv411p 7e1300e89f5bc07939e2c4a6acbdf267
yuv420p a014c7eb7a8385d1dd092b7a583f1bff

1
tests/ref/fate/filter-pixfmts-crop
View File

@ -50,6 +50,7 @@ rgba64be 89910046972ab3c68e2a348302cc8ca9
rgba64le fea8ebfc869b52adf353778f29eac7a7
xyz12be cb4571f9aaa7b59f999ef327276104b7
xyz12le cd6aae8d26b18bdb4b9d068586276d91
ya8 2a888cb3018a09443435ce8bfa731cc1
yuv410p 3bb6c7b64f2c46bc5e8b77198ce4ea58
yuv411p 693e4afe96998e6dd91734037d75d887
yuv420p 510d36163e4d3710988c23c2240ca6dc

1
tests/ref/fate/filter-pixfmts-field
View File

@ -53,6 +53,7 @@ rgba64le dfdba4de4a7cac9abf08852666c341d3
uyvy422 1c49e44ab3f060e85fc4a3a9464f045e
xyz12be d2fa69ec91d3ed862f2dac3f8e7a3437
xyz12le 02bccd5e0b6824779a1f848b0ea3e3b5
ya8 9b3f26c05060aab832817967bf3c90ab
yuv410p a85920d6bd26f51306e2ecbe71d1c554
yuv411p 9106e283d5dbcfba01c611886d58871a
yuv420p 9ea8ed3c22c31c0354b7face540bb280

1
tests/ref/fate/filter-pixfmts-fieldorder
View File

@ -48,6 +48,7 @@ rgba64le b34e6e30621ae579519a2d91a96a0acf
uyvy422 75de70e31c435dde878002d3f22b238a
xyz12be 15f5cda71de5fef9cec5e75e3833b6bc
xyz12le 7be6c8781f38c21a6b8f602f62ca31e6
ya8 9dab461f986b50151ccb2eb3bac75da9
yuv411p e4a040e0e786c4dae07d9d3f90a54905
yuv422p 16ce67249c6ce7ef57a433646ad6dfc1
yuv422p10be 62ae323dcc41aabf8ff6ecc53b119ce8

1
tests/ref/fate/filter-pixfmts-hflip
View File

@ -50,6 +50,7 @@ rgba64be c910444019f4cfbf4d995227af55da8d
rgba64le 0c810d8b3a6bca10321788e1cb145340
xyz12be 25f90259ff8a226befdaec3dfe82996e
xyz12le 926c0791d59aaff61b2778e8ada3316d
ya8 68b888a5e5e5e51f57c282d98e736ad4
yuv410p c49fd0c55c41185b1580aac77211992b
yuv411p c416371077dce13d31bf1dc706111ae7
yuv420p eb8d9f02db98e10400781428c43e9438

1
tests/ref/fate/filter-pixfmts-il
View File

@ -52,6 +52,7 @@ rgba64le a8a2daae04374a27219bc1c890204007
uyvy422 d6ee3ca43356d08c392382b24b22cda5
xyz12be 7c7d54c55f136cbbc50b18029f3be0b3
xyz12le 090ba6b1170baf2b1358b43b971d33b0
ya8 ec043b98eb0fd044fd8072d91d9cd31a
yuv410p dea1ab8843465adf5b8240b2d98fd85b
yuv411p 8bf73777a5ff43c126be274245aceff1
yuv420p f1f4e7e94a76d5320049464bdeac24ed

1
tests/ref/fate/filter-pixfmts-null
View File

@ -53,6 +53,7 @@ rgba64le b91e1d77f799eb92241a2d2d28437b15
uyvy422 3bcf3c80047592f2211fae3260b1b65d
xyz12be a1ef56bf746d71f59669c28e48fc8450
xyz12le 831ff03c1ba4ef19374686f16a064d8c
ya8 e4bdc2165c1fe29905accfc68e7597ca
yuv410p 5d4d992a7728431aa4e0700f87fb7fd8
yuv411p 7e1300e89f5bc07939e2c4a6acbdf267
yuv420p a014c7eb7a8385d1dd092b7a583f1bff

1
tests/ref/fate/filter-pixfmts-pad
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@ -11,6 +11,7 @@ gray ddc663a0491df3959d9c5795dceaa72e
rgb0 78d500c8361ab6423a4826a00268c908
rgb24 17f9e2e0c609009acaf2175c42d4a2a5
rgba b157c90191463d34fb3ce77b36c96386
ya8 310847fa55017bcb2ceb5dcbbea3557c
yuv410p cb871dcc1e84a7ef1d21f9237b88cf6e
yuv411p aec2c1740de9a62db0d41f4dda9121b0
yuv420p 4398e408fc35436ce4b20468946f58b6

1
tests/ref/fate/filter-pixfmts-scale
View File

@ -53,6 +53,7 @@ rgba64le 783d2779adfafe3548bdb671ec0de69e
uyvy422 aeb4ba4f9f003ae21f6d18089198244f
xyz12be c7ba8345998c0141ddc079cdd29b1a40
xyz12le 95f5d3a0de834cc495c9032a14987cde
ya8 9d08dbcf1ed51bd4e437cc1f1db583e4
yuv410p e8f49b5fb9335b62c074f7f8bb0234fc
yuv411p 5af32557c93beb482e26e7af693104c6
yuv420p 5d3ac239c3712143560b1dfbd48a7ddd

1
tests/ref/fate/filter-pixfmts-vflip
View File

@ -53,6 +53,7 @@ rgba64le 48f45b10503b7dd140329c3dd0d54c98
uyvy422 3a237e8376264e0cfa78f8a3fdadec8a
xyz12be 810644e008deb231850d779aaa27cc7e
xyz12le 829701db461b43533cf9241e0743bc61
ya8 4ac56b8d1c3efc54d5fb585608a8c688
yuv410p c7adfe96c8e043a6cb9290c39bf8063c
yuv411p 3fce29db403a25f81be39e01aaf6ff3a
yuv420p d64fae96fac22aefa8fbcf45a09f37c1