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zimg: support RGB30 output 

This may be used later elsewhere.
This commit is contained in:
wm4 2019-10-20 19:39:59 +02:00
parent 631379bea9
commit 525e712757
1 changed files with 30 additions and 1 deletions
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29
video/zimg.c
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@ -268,6 +268,17 @@ static void ccc16_unpack(void *src, void *dst[], int x0, int x1)
}
}
// 3 10 bit color components source from 3 planes, plus 2 MSB padding bits.
static void x2ccc10_pack(void *dst, void *src[], int x0, int x1)
{
for (int x = x0; x < x1; x++) {
((uint32_t *)dst)[x] =
((uint16_t *)src[0])[x] |
((uint32_t)((uint16_t *)src[1])[x] << 10) |
((uint32_t)((uint16_t *)src[2])[x] << 20);
}
}
static int packed_repack(void *user, unsigned i, unsigned x0, unsigned x1)
{
struct mp_zimg_repack *r = user;
@ -320,6 +331,21 @@ static void wrap_buffer(struct mp_zimg_repack *r,
r->mpi = mpi;
}
static void setup_misc_packer(struct mp_zimg_repack *r)
{
if (r->zimgfmt == IMGFMT_RGB30) {
int planar_fmt = mp_imgfmt_find(0, 0, 3, 10, MP_IMGFLAG_RGB_P);
if (!planar_fmt || !r->pack)
return;
r->zimgfmt = planar_fmt;
r->repack = packed_repack;
r->packed_repack_scanline = x2ccc10_pack;
static int c_order[] = {3, 2, 1};
for (int n = 0; n < 3; n++)
r->components[n] = corder_gbrp[c_order[n]];
}
}
// Tries to set a packer/unpacker for component-wise byte aligned RGB formats.
static void setup_regular_rgb_packer(struct mp_zimg_repack *r)
{
@ -394,6 +420,9 @@ static bool setup_format(zimg_image_format *zfmt, struct mp_zimg_repack *r,
r->zimgfmt = fmt.imgfmt;
if (!r->repack)
setup_misc_packer(r);
if (!r->repack)
setup_regular_rgb_packer(r);
struct mp_regular_imgfmt desc;