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repack: add repacker for ccc16x16 formats 

I'm adding support in ffmpeg for the XV36 format which will be used
by VAAPI for 12bit 4:4:4 content. It's an undefined-alpha channel
variant of Y412 which is itself a 12bit+4bits padding variant of Y416.

We currently have a repacker for full four channel cccc16, and for
three channel ccc16, but nothing for ccc16x16 with the undefined alpha
channel.

It's simple enough to add one using the existing macros.
This commit is contained in:
Philip Langdale 2022-09-01 21:32:36 -07:00 committed by Philip Langdale
parent ca9b00145c
commit 98f02e33ef
1 changed files with 12 additions and 9 deletions
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21
video/repack.c
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@ -245,6 +245,8 @@ UN_WORD_3(un_x8ccc8, uint32_t, uint8_t, 8, 16, 24, 0xFFu)
PA_WORD_3(pa_z8ccc8, uint32_t, uint8_t, 8, 16, 24, 0)
UN_WORD_3(un_ccc10x2, uint32_t, uint16_t, 0, 10, 20, 0x3FFu)
PA_WORD_3(pa_ccc10z2, uint32_t, uint16_t, 0, 10, 20, 0)
UN_WORD_3(un_ccc16x16, uint64_t, uint16_t, 0, 16, 32, 0xFFFFu)
PA_WORD_3(pa_ccc16z16, uint64_t, uint16_t, 0, 16, 32, 0)
#define PA_WORD_2(name, packed_t, plane_t, sh_c0, sh_c1, pad) \
static void name(void *dst, void *src[], int w) { \
@ -305,15 +307,16 @@ struct regular_repacker {
};
static const struct regular_repacker regular_repackers[] = {
{32, 8, 0, 3, pa_ccc8z8, un_ccc8x8},
{32, 8, 8, 3, pa_z8ccc8, un_x8ccc8},
{32, 8, 0, 4, pa_cccc8, un_cccc8},
{64, 16, 0, 4, pa_cccc16, un_cccc16},
{24, 8, 0, 3, pa_ccc8, un_ccc8},
{48, 16, 0, 3, pa_ccc16, un_ccc16},
{16, 8, 0, 2, pa_cc8, un_cc8},
{32, 16, 0, 2, pa_cc16, un_cc16},
{32, 10, 0, 3, pa_ccc10z2, un_ccc10x2},
{32, 8, 0, 3, pa_ccc8z8, un_ccc8x8},
{32, 8, 8, 3, pa_z8ccc8, un_x8ccc8},
{32, 8, 0, 4, pa_cccc8, un_cccc8},
{64, 16, 0, 4, pa_cccc16, un_cccc16},
{64, 16, 0, 3, pa_ccc16z16, un_ccc16x16},
{24, 8, 0, 3, pa_ccc8, un_ccc8},
{48, 16, 0, 3, pa_ccc16, un_ccc16},
{16, 8, 0, 2, pa_cc8, un_cc8},
{32, 16, 0, 2, pa_cc16, un_cc16},
{32, 10, 0, 3, pa_ccc10z2, un_ccc10x2},
};
static void packed_repack(struct mp_repack *rp,