diff options
| -rw-r--r-- | libswscale/ppc/swscale_vsx.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/libswscale/ppc/swscale_vsx.c b/libswscale/ppc/swscale_vsx.c index 6462c11a7d..70da6aeb80 100644 --- a/libswscale/ppc/swscale_vsx.c +++ b/libswscale/ppc/swscale_vsx.c @@ -180,6 +180,60 @@ static void yuv2plane1_nbps_vsx(const int16_t *src, uint16_t *dest, int dstW, yuv2plane1_nbps_u(src, dest, dstW, big_endian, output_bits, i); } +#undef output_pixel + +#define output_pixel(pos, val, bias, signedness) \ + if (big_endian) { \ + AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \ + } else { \ + AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \ + } + +static void yuv2plane1_16_u(const int32_t *src, uint16_t *dest, int dstW, + int big_endian, int output_bits, int start) +{ + int i; + const int shift = 3; + + for (i = start; i < dstW; i++) { + int val = src[i] + (1 << (shift - 1)); + output_pixel(&dest[i], val, 0, uint); + } +} + +static void yuv2plane1_16_vsx(const int32_t *src, uint16_t *dest, int dstW, + int big_endian, int output_bits) +{ + const int dst_u = -(uintptr_t)dest & 7; + const int shift = 3; + const int add = (1 << (shift - 1)); + const vector uint32_t vadd = (vector uint32_t) {add, add, add, add}; + const vector uint16_t vswap = (vector uint16_t) vec_splat_u16(big_endian ? 8 : 0); + const vector uint32_t vshift = (vector uint32_t) vec_splat_u32(shift); + vector uint32_t v, v2; + vector uint16_t vd; + int i; + + yuv2plane1_16_u(src, dest, dst_u, big_endian, output_bits, 0); + + for (i = dst_u; i < dstW - 7; i += 8) { + v = vec_vsx_ld(0, (const uint32_t *) &src[i]); + v = vec_add(v, vadd); + v = vec_sr(v, vshift); + + v2 = vec_vsx_ld(0, (const uint32_t *) &src[i + 4]); + v2 = vec_add(v2, vadd); + v2 = vec_sr(v2, vshift); + + vd = vec_packsu(v, v2); + vd = vec_rl(vd, vswap); + + vec_st(vd, 0, &dest[i]); + } + + yuv2plane1_16_u(src, dest, dstW, big_endian, output_bits, i); +} + #define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \ static void yuv2plane1_ ## bits ## BE_LE ## _vsx(const int16_t *src, \ uint8_t *dest, int dstW, \ @@ -197,6 +251,8 @@ yuv2NBPS(12, BE, 1, nbps, int16_t) yuv2NBPS(12, LE, 0, nbps, int16_t) yuv2NBPS(14, BE, 1, nbps, int16_t) yuv2NBPS(14, LE, 0, nbps, int16_t) +yuv2NBPS(16, BE, 1, 16, int32_t) +yuv2NBPS(16, LE, 0, 16, int32_t) #endif /* !HAVE_BIGENDIAN */ @@ -240,6 +296,9 @@ av_cold void ff_sws_init_swscale_vsx(SwsContext *c) case 14: c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_14BE_vsx : yuv2plane1_14LE_vsx; break; + case 16: + c->yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_vsx : yuv2plane1_16LE_vsx; + break; #endif } } |