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ffmpeg.wasm-core
Commit de1275d5 authored by Michael Niedermayer's avatar Michael Niedermayer
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Planar 16bit 420 422 444 YUV support (output is only supported in some 

unscaled convertions).
This, like gray16 converts down to 8bit, which is a big FIXME & patch welcome,
we should preserve more bits.

Originally committed as revision 29217 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
parent 6c2a8608
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Showing with 129 additions and 2 deletions
libswscale/swscale.c
View file @ de1275d5
......@@ -134,6 +134,12 @@ unsigned swscale_version(void)
|| (x)==PIX_FMT_YUV440P \
|| (x)==PIX_FMT_MONOWHITE \
|| (x)==PIX_FMT_MONOBLACK \
|| (x)==PIX_FMT_YUV420PLE \
|| (x)==PIX_FMT_YUV422PLE \
|| (x)==PIX_FMT_YUV444PLE \
|| (x)==PIX_FMT_YUV420PBE \
|| (x)==PIX_FMT_YUV422PBE \
|| (x)==PIX_FMT_YUV444PBE \
)
#define isSupportedOut(x) ( \
(x)==PIX_FMT_YUV420P \
......@@ -152,6 +158,12 @@ unsigned swscale_version(void)
|| (x)==PIX_FMT_GRAY8 \
|| (x)==PIX_FMT_YUV410P \
|| (x)==PIX_FMT_YUV440P \
|| (x)==PIX_FMT_YUV420PLE \
|| (x)==PIX_FMT_YUV422PLE \
|| (x)==PIX_FMT_YUV444PLE \
|| (x)==PIX_FMT_YUV420PBE \
|| (x)==PIX_FMT_YUV422PBE \
|| (x)==PIX_FMT_YUV444PBE \
)
#define isPacked(x) ( \
(x)==PIX_FMT_PAL8 \
......@@ -467,6 +479,18 @@ const char *sws_format_name(enum PixelFormat format)
return "vdpau_wmv3";
case PIX_FMT_VDPAU_VC1:
return "vdpau_vc1";
case PIX_FMT_YUV420PLE:
return "yuv420ple";
case PIX_FMT_YUV422PLE:
return "yuv422ple";
case PIX_FMT_YUV444PLE:
return "yuv444ple";
case PIX_FMT_YUV420PBE:
return "yuv420pbe";
case PIX_FMT_YUV422PBE:
return "yuv422pbe";
case PIX_FMT_YUV444PBE:
return "yuv444pbe";
default:
return "Unknown format";
}
......@@ -2196,6 +2220,8 @@ static void getSubSampleFactors(int *h, int *v, int format){
*v=0;
break;
case PIX_FMT_YUV420P:
case PIX_FMT_YUV420PLE:
case PIX_FMT_YUV420PBE:
case PIX_FMT_YUVA420P:
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
......@@ -2214,10 +2240,14 @@ static void getSubSampleFactors(int *h, int *v, int format){
*v=2;
break;
case PIX_FMT_YUV444P:
case PIX_FMT_YUV444PLE:
case PIX_FMT_YUV444PBE:
*h=0;
*v=0;
break;
case PIX_FMT_YUV422P:
case PIX_FMT_YUV422PLE:
case PIX_FMT_YUV422PBE:
*h=1;
*v=0;
break;
......@@ -2574,7 +2604,10 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d
|| (srcFormat == PIX_FMT_YUV420P && dstFormat == PIX_FMT_YUVA420P)
|| (isPlanarYUV(srcFormat) && isGray(dstFormat))
|| (isPlanarYUV(dstFormat) && isGray(srcFormat))
|| (isGray(dstFormat) && isGray(srcFormat)))
|| (isGray(dstFormat) && isGray(srcFormat))
|| (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat)
&& c->chrDstHSubSample == c->chrSrcHSubSample
&& c->chrDstVSubSample == c->chrSrcVSubSample))
{
if (isPacked(c->srcFormat))
c->swScale= packedCopy;
......
libswscale/swscale_internal.h
View file @ de1275d5
......@@ -294,9 +294,15 @@ const char *sws_format_name(int format);
#define is16BPS(x) ( \
(x)==PIX_FMT_GRAY16BE \
|| (x)==PIX_FMT_GRAY16LE \
|| (x)==PIX_FMT_YUV420PLE \
|| (x)==PIX_FMT_YUV422PLE \
|| (x)==PIX_FMT_YUV444PLE \
|| (x)==PIX_FMT_YUV420PBE \
|| (x)==PIX_FMT_YUV422PBE \
|| (x)==PIX_FMT_YUV444PBE \
)
#define isBE(x) ((x)&1)
#define isPlanarYUV(x) ( \
#define isPlanar8YUV(x) ( \
(x)==PIX_FMT_YUV410P \
|| (x)==PIX_FMT_YUV420P \
|| (x)==PIX_FMT_YUVA420P \
......@@ -307,6 +313,15 @@ const char *sws_format_name(int format);
|| (x)==PIX_FMT_NV12 \
|| (x)==PIX_FMT_NV21 \
)
#define isPlanarYUV(x) ( \
isPlanar8YUV(x) \
|| (x)==PIX_FMT_YUV420PLE \
|| (x)==PIX_FMT_YUV422PLE \
|| (x)==PIX_FMT_YUV444PLE \
|| (x)==PIX_FMT_YUV420PBE \
|| (x)==PIX_FMT_YUV422PBE \
|| (x)==PIX_FMT_YUV444PBE \
)
#define isYUV(x) ( \
(x)==PIX_FMT_UYVY422 \
|| (x)==PIX_FMT_YUYV422 \
......
libswscale/swscale_template.c
View file @ de1275d5
......@@ -1671,6 +1671,39 @@ static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t
assert(src1 == src2);
}
static inline void RENAME(LEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
{
#if HAVE_MMX
__asm__ volatile(
"mov %0, %%"REG_a" \n\t"
"1: \n\t"
"movq (%1, %%"REG_a",2), %%mm0 \n\t"
"movq 8(%1, %%"REG_a",2), %%mm1 \n\t"
"movq (%2, %%"REG_a",2), %%mm2 \n\t"
"movq 8(%2, %%"REG_a",2), %%mm3 \n\t"
"psrlw $8, %%mm0 \n\t"
"psrlw $8, %%mm1 \n\t"
"psrlw $8, %%mm2 \n\t"
"psrlw $8, %%mm3 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"packuswb %%mm3, %%mm2 \n\t"
"movq %%mm0, (%3, %%"REG_a") \n\t"
"movq %%mm2, (%4, %%"REG_a") \n\t"
"add $8, %%"REG_a" \n\t"
" js 1b \n\t"
: : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
: "%"REG_a
);
#else
int i;
for (i=0; i<width; i++)
{
dstU[i]= src1[2*i + 1];
dstV[i]= src2[2*i + 1];
}
#endif
}
/* This is almost identical to the previous, end exists only because
* yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
......@@ -1732,6 +1765,40 @@ static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t
assert(src1 == src2);
}
static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
{
#if HAVE_MMX
__asm__ volatile(
"movq "MANGLE(bm01010101)", %%mm4 \n\t"
"mov %0, %%"REG_a" \n\t"
"1: \n\t"
"movq (%1, %%"REG_a",2), %%mm0 \n\t"
"movq 8(%1, %%"REG_a",2), %%mm1 \n\t"
"movq (%2, %%"REG_a",2), %%mm2 \n\t"
"movq 8(%2, %%"REG_a",2), %%mm3 \n\t"
"pand %%mm4, %%mm0 \n\t"
"pand %%mm4, %%mm1 \n\t"
"pand %%mm4, %%mm2 \n\t"
"pand %%mm4, %%mm3 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"packuswb %%mm3, %%mm2 \n\t"
"movq %%mm0, (%3, %%"REG_a") \n\t"
"movq %%mm2, (%4, %%"REG_a") \n\t"
"add $8, %%"REG_a" \n\t"
" js 1b \n\t"
: : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
: "%"REG_a
);
#else
int i;
for (i=0; i<width; i++)
{
dstU[i]= src1[2*i];
dstV[i]= src2[2*i];
}
#endif
}
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
static inline void RENAME(name)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\
{\
......@@ -3085,6 +3152,12 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
case PIX_FMT_PAL8 :
case PIX_FMT_BGR4_BYTE:
case PIX_FMT_RGB4_BYTE: c->hcscale_internal = RENAME(palToUV); break;
case PIX_FMT_YUV420PBE:
case PIX_FMT_YUV422PBE:
case PIX_FMT_YUV444PBE: c->hcscale_internal = RENAME(BEToUV); break;
case PIX_FMT_YUV420PLE:
case PIX_FMT_YUV422PLE:
case PIX_FMT_YUV444PLE: c->hcscale_internal = RENAME(LEToUV); break;
}
if (c->chrSrcHSubSample) {
switch(srcFormat) {
......@@ -3118,8 +3191,14 @@ static void RENAME(sws_init_swScale)(SwsContext *c)
c->hascale_internal = NULL;
switch (srcFormat) {
case PIX_FMT_YUYV422 :
case PIX_FMT_YUV420PBE:
case PIX_FMT_YUV422PBE:
case PIX_FMT_YUV444PBE:
case PIX_FMT_GRAY16BE : c->hyscale_internal = RENAME(yuy2ToY); break;
case PIX_FMT_UYVY422 :
case PIX_FMT_YUV420PLE:
case PIX_FMT_YUV422PLE:
case PIX_FMT_YUV444PLE:
case PIX_FMT_GRAY16LE : c->hyscale_internal = RENAME(uyvyToY); break;
case PIX_FMT_BGR24 : c->hyscale_internal = RENAME(bgr24ToY); break;
case PIX_FMT_BGR565 : c->hyscale_internal = RENAME(bgr16ToY); break;
......
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