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libobs: Refactor pack_lum to pack_shift

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Allows the ability to specify the bytes to shift as a parameter.  Useful
for planar 4:4:4 conversion.
This commit is contained in:
jp9000
2015-04-16 22:48:54 -07:00
parent 7bc8dc3471
commit 0f346561ff
1 changed files with 7 additions and 7 deletions
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14
libobs/media-io/format-conversion.c
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@@ -25,11 +25,11 @@
#define get_m128_32_0(val) (*((uint32_t*)&val))
#define get_m128_32_1(val) (*(((uint32_t*)&val)+1))
#define pack_lum(lum_plane, lum_pos0, lum_pos1, line1, line2, lum_mask) \
#define pack_shift(lum_plane, lum_pos0, lum_pos1, line1, line2, mask, sh) \
do { \
__m128i pack_val = _mm_packs_epi32( \
_mm_srli_si128(_mm_and_si128(line1, lum_mask), 1), \
_mm_srli_si128(_mm_and_si128(line2, lum_mask), 1)); \
_mm_srli_si128(_mm_and_si128(line1, mask), sh), \
_mm_srli_si128(_mm_and_si128(line2, mask), sh)); \
pack_val = _mm_packus_epi16(pack_val, pack_val); \
\
*(uint32_t*)(lum_plane+lum_pos0) = get_m128_32_0(pack_val); \
@@ -107,8 +107,8 @@ void compress_uyvx_to_i420(
__m128i line2 = _mm_load_si128(
(const __m128i*)(img + in_linesize));
pack_lum(lum_plane, lum_pos0, lum_pos1,
line1, line2, lum_mask);
pack_shift(lum_plane, lum_pos0, lum_pos1,
line1, line2, lum_mask, 1);
pack_ch_2plane(u_plane, v_plane,
chroma_y_pos + (x>>1),
line1, line2, uv_mask);
@@ -144,8 +144,8 @@ void compress_uyvx_to_nv12(
__m128i line2 = _mm_load_si128(
(const __m128i*)(img + in_linesize));
pack_lum(lum_plane, lum_pos0, lum_pos1,
line1, line2, lum_mask);
pack_shift(lum_plane, lum_pos0, lum_pos1,
line1, line2, lum_mask, 1);
pack_ch_1plane(chroma_plane, chroma_y_pos + x,
line1, line2, uv_mask);
}