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swscale: Add swscale input support for Y210LE

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Add swscale input support for Y210LE, output support and fate
test could be added later if there is requirement for software
CSC to this packed format.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
This commit is contained in:
Linjie Fu 2020-01-15 14:59:34 +08:00 committed by Mark Thompson
parent 1c37cad084
commit d2aa1fbfd4
2 changed files with 25 additions and 0 deletions
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24
libswscale/input.c
View File

@ -552,6 +552,24 @@ static void yvy2ToUV_c(uint8_t *dstU, uint8_t *dstV, const uint8_t *unused0, con
av_assert1(src1 == src2);
}
static void y210le_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 + 2) >> 6);
AV_WN16(dstV + i * 2, AV_RL16(src + i * 8 + 6) >> 6);
}
}
static void y210le_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 * 4) >> 6);
}
static void bswap16Y_c(uint8_t *_dst, const uint8_t *_src, const uint8_t *unused1, const uint8_t *unused2, int width,
uint32_t *unused)
{
@ -1154,6 +1172,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
case AV_PIX_FMT_P016BE:
c->chrToYV12 = p016BEToUV_c;
break;
case AV_PIX_FMT_Y210LE:
c->chrToYV12 = y210le_UV_c;
break;
}
if (c->chrSrcHSubSample) {
switch (srcFormat) {
@ -1586,6 +1607,9 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
c->lumToYV12 = grayf32ToY16_bswap_c;
#endif
break;
case AV_PIX_FMT_Y210LE:
c->lumToYV12 = y210le_Y_c;
break;
}
if (c->needAlpha) {
if (is16BPS(srcFormat) || isNBPS(srcFormat)) {

1
libswscale/utils.c
View File

@ -266,6 +266,7 @@ static const FormatEntry format_entries[] = {
[AV_PIX_FMT_YUVA444P12LE] = { 1, 1 },
[AV_PIX_FMT_NV24] = { 1, 1 },
[AV_PIX_FMT_NV42] = { 1, 1 },
[AV_PIX_FMT_Y210LE] = { 1, 0 },
};
int sws_isSupportedInput(enum AVPixelFormat pix_fmt)