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swscale: Add swscale input support for Y210LE 

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)