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ffmpeg.wasm-core
Commit 36697be1 authored by Diego Biurrun's avatar Diego Biurrun
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swscale: K&R formatting cosmetics for PowerPC code (part II/II)

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libswscale/ppc/yuv2rgb_altivec.c
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...@@ -21,75 +21,76 @@ ...@@ -21,75 +21,76 @@
*/ */
/* /*
Convert I420 YV12 to RGB in various formats, * Convert I420 YV12 to RGB in various formats,
it rejects images that are not in 420 formats, * it rejects images that are not in 420 formats,
it rejects images that don't have widths of multiples of 16, * it rejects images that don't have widths of multiples of 16,
it rejects images that don't have heights of multiples of 2. * it rejects images that don't have heights of multiples of 2.
Reject defers to C simulation code. * Reject defers to C simulation code.
*
Lots of optimizations to be done here. * Lots of optimizations to be done here.
*
1. Need to fix saturation code. I just couldn't get it to fly with packs * 1. Need to fix saturation code. I just couldn't get it to fly with packs
and adds, so we currently use max/min to clip. * and adds, so we currently use max/min to clip.
*
2. The inefficient use of chroma loading needs a bit of brushing up. * 2. The inefficient use of chroma loading needs a bit of brushing up.
*
3. Analysis of pipeline stalls needs to be done. Use shark to identify * 3. Analysis of pipeline stalls needs to be done. Use shark to identify
pipeline stalls. * pipeline stalls.
*
*
MODIFIED to calculate coeffs from currently selected color space. * MODIFIED to calculate coeffs from currently selected color space.
MODIFIED core to be a macro where you specify the output format. * MODIFIED core to be a macro where you specify the output format.
ADDED UYVY conversion which is never called due to some thing in swscale. * ADDED UYVY conversion which is never called due to some thing in swscale.
CORRECTED algorithim selection to be strict on input formats. * CORRECTED algorithim selection to be strict on input formats.
ADDED runtime detection of AltiVec. * ADDED runtime detection of AltiVec.
*
ADDED altivec_yuv2packedX vertical scl + RGB converter * ADDED altivec_yuv2packedX vertical scl + RGB converter
*
March 27,2004 * March 27,2004
PERFORMANCE ANALYSIS * PERFORMANCE ANALYSIS
*
The C version uses 25% of the processor or ~250Mips for D1 video rawvideo * The C version uses 25% of the processor or ~250Mips for D1 video rawvideo
used as test. * used as test.
The AltiVec version uses 10% of the processor or ~100Mips for D1 video * The AltiVec version uses 10% of the processor or ~100Mips for D1 video
same sequence. * same sequence.
*
720 * 480 * 30 ~10MPS * 720 * 480 * 30 ~10MPS
*
so we have roughly 10 clocks per pixel. This is too high, something has * so we have roughly 10 clocks per pixel. This is too high, something has
to be wrong. * to be wrong.
*
OPTIMIZED clip codes to utilize vec_max and vec_packs removing the * OPTIMIZED clip codes to utilize vec_max and vec_packs removing the
need for vec_min. * need for vec_min.
*
OPTIMIZED DST OUTPUT cache/DMA controls. We are pretty much guaranteed to have * OPTIMIZED DST OUTPUT cache/DMA controls. We are pretty much guaranteed to
the input video frame, it was just decompressed so it probably resides in L1 * have the input video frame, it was just decompressed so it probably resides
caches. However, we are creating the output video stream. This needs to use the * in L1 caches. However, we are creating the output video stream. This needs
DSTST instruction to optimize for the cache. We couple this with the fact that * to use the DSTST instruction to optimize for the cache. We couple this with
we are not going to be visiting the input buffer again so we mark it Least * the fact that we are not going to be visiting the input buffer again so we
Recently Used. This shaves 25% of the processor cycles off. * mark it Least Recently Used. This shaves 25% of the processor cycles off.
*
Now memcpy is the largest mips consumer in the system, probably due * Now memcpy is the largest mips consumer in the system, probably due
to the inefficient X11 stuff. * to the inefficient X11 stuff.
*
GL libraries seem to be very slow on this machine 1.33Ghz PB running * GL libraries seem to be very slow on this machine 1.33Ghz PB running
Jaguar, this is not the case for my 1Ghz PB. I thought it might be * Jaguar, this is not the case for my 1Ghz PB. I thought it might be
a versioning issue, however I have libGL.1.2.dylib for both * a versioning issue, however I have libGL.1.2.dylib for both
machines. (We need to figure this out now.) * machines. (We need to figure this out now.)
*
GL2 libraries work now with patch for RGB32. * GL2 libraries work now with patch for RGB32.
*
NOTE: quartz vo driver ARGB32_to_RGB24 consumes 30% of the processor. * NOTE: quartz vo driver ARGB32_to_RGB24 consumes 30% of the processor.
*
Integrated luma prescaling adjustment for saturation/contrast/brightness * Integrated luma prescaling adjustment for saturation/contrast/brightness
adjustment. * adjustment.
*/ */
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <inttypes.h> #include <inttypes.h>
#include <assert.h> #include <assert.h>
#include "config.h" #include "config.h"
#include "libswscale/rgb2rgb.h" #include "libswscale/rgb2rgb.h"
#include "libswscale/swscale.h" #include "libswscale/swscale.h"
...@@ -103,456 +104,451 @@ adjustment. ...@@ -103,456 +104,451 @@ adjustment.
typedef unsigned char ubyte; typedef unsigned char ubyte;
typedef signed char sbyte; typedef signed char sbyte;
/* RGB interleaver, 16 planar pels 8-bit samples per channel in /* RGB interleaver, 16 planar pels 8-bit samples per channel in
homogeneous vector registers x0,x1,x2 are interleaved with the * homogeneous vector registers x0,x1,x2 are interleaved with the
following technique: * following technique:
*
o0 = vec_mergeh (x0,x1); * o0 = vec_mergeh(x0, x1);
o1 = vec_perm (o0, x2, perm_rgb_0); * o1 = vec_perm(o0, x2, perm_rgb_0);
o2 = vec_perm (o0, x2, perm_rgb_1); * o2 = vec_perm(o0, x2, perm_rgb_1);
o3 = vec_mergel (x0,x1); * o3 = vec_mergel(x0, x1);
o4 = vec_perm (o3,o2,perm_rgb_2); * o4 = vec_perm(o3, o2, perm_rgb_2);
o5 = vec_perm (o3,o2,perm_rgb_3); * o5 = vec_perm(o3, o2, perm_rgb_3);
*
perm_rgb_0: o0(RG).h v1(B) --> o1* * perm_rgb_0: o0(RG).h v1(B) --> o1*
0 1 2 3 4 * 0 1 2 3 4
rgbr|gbrg|brgb|rgbr * rgbr|gbrg|brgb|rgbr
0010 0100 1001 0010 * 0010 0100 1001 0010
0102 3145 2673 894A * 0102 3145 2673 894A
*
perm_rgb_1: o0(RG).h v1(B) --> o2 * perm_rgb_1: o0(RG).h v1(B) --> o2
0 1 2 3 4 * 0 1 2 3 4
gbrg|brgb|bbbb|bbbb * gbrg|brgb|bbbb|bbbb
0100 1001 1111 1111 * 0100 1001 1111 1111
B5CD 6EF7 89AB CDEF * B5CD 6EF7 89AB CDEF
*
perm_rgb_2: o3(RG).l o2(rgbB.l) --> o4* * perm_rgb_2: o3(RG).l o2(rgbB.l) --> o4*
0 1 2 3 4 * 0 1 2 3 4
gbrg|brgb|rgbr|gbrg * gbrg|brgb|rgbr|gbrg
1111 1111 0010 0100 * 1111 1111 0010 0100
89AB CDEF 0182 3945 * 89AB CDEF 0182 3945
*
perm_rgb_2: o3(RG).l o2(rgbB.l) ---> o5* * perm_rgb_2: o3(RG).l o2(rgbB.l) ---> o5*
0 1 2 3 4 * 0 1 2 3 4
brgb|rgbr|gbrg|brgb * brgb|rgbr|gbrg|brgb
1001 0010 0100 1001 * 1001 0010 0100 1001
a67b 89cA BdCD eEFf * a67b 89cA BdCD eEFf
*
*/ */
static static const vector unsigned char
const vector unsigned char perm_rgb_0 = { 0x00, 0x01, 0x10, 0x02, 0x03, 0x11, 0x04, 0x05,
perm_rgb_0 = {0x00,0x01,0x10,0x02,0x03,0x11,0x04,0x05, 0x12, 0x06, 0x07, 0x13, 0x08, 0x09, 0x14, 0x0a },
0x12,0x06,0x07,0x13,0x08,0x09,0x14,0x0a}, perm_rgb_1 = { 0x0b, 0x15, 0x0c, 0x0d, 0x16, 0x0e, 0x0f, 0x17,
perm_rgb_1 = {0x0b,0x15,0x0c,0x0d,0x16,0x0e,0x0f,0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },
0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f}, perm_rgb_2 = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
perm_rgb_2 = {0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, 0x00, 0x01, 0x18, 0x02, 0x03, 0x19, 0x04, 0x05 },
0x00,0x01,0x18,0x02,0x03,0x19,0x04,0x05}, perm_rgb_3 = { 0x1a, 0x06, 0x07, 0x1b, 0x08, 0x09, 0x1c, 0x0a,
perm_rgb_3 = {0x1a,0x06,0x07,0x1b,0x08,0x09,0x1c,0x0a, 0x0b, 0x1d, 0x0c, 0x0d, 0x1e, 0x0e, 0x0f, 0x1f };
0x0b,0x1d,0x0c,0x0d,0x1e,0x0e,0x0f,0x1f};
#define vec_merge3(x2, x1, x0, y0, y1, y2) \
#define vec_merge3(x2,x1,x0,y0,y1,y2) \ do { \
do { \ __typeof__(x0) o0, o2, o3; \
__typeof__(x0) o0,o2,o3; \ o0 = vec_mergeh(x0, x1); \
o0 = vec_mergeh (x0,x1); \ y0 = vec_perm(o0, x2, perm_rgb_0); \
y0 = vec_perm (o0, x2, perm_rgb_0); \ o2 = vec_perm(o0, x2, perm_rgb_1); \
o2 = vec_perm (o0, x2, perm_rgb_1); \ o3 = vec_mergel(x0, x1); \
o3 = vec_mergel (x0,x1); \ y1 = vec_perm(o3, o2, perm_rgb_2); \
y1 = vec_perm (o3,o2,perm_rgb_2); \ y2 = vec_perm(o3, o2, perm_rgb_3); \
y2 = vec_perm (o3,o2,perm_rgb_3); \ } while (0)
} while(0)
#define vec_mstbgr24(x0, x1, x2, ptr) \
#define vec_mstbgr24(x0,x1,x2,ptr) \ do { \
do { \ __typeof__(x0) _0, _1, _2; \
__typeof__(x0) _0,_1,_2; \ vec_merge3(x0, x1, x2, _0, _1, _2); \
vec_merge3 (x0,x1,x2,_0,_1,_2); \ vec_st(_0, 0, ptr++); \
vec_st (_0, 0, ptr++); \ vec_st(_1, 0, ptr++); \
vec_st (_1, 0, ptr++); \ vec_st(_2, 0, ptr++); \
vec_st (_2, 0, ptr++); \ } while (0)
} while (0)
#define vec_mstrgb24(x0, x1, x2, ptr) \
#define vec_mstrgb24(x0,x1,x2,ptr) \ do { \
do { \ __typeof__(x0) _0, _1, _2; \
__typeof__(x0) _0,_1,_2; \ vec_merge3(x2, x1, x0, _0, _1, _2); \
vec_merge3 (x2,x1,x0,_0,_1,_2); \ vec_st(_0, 0, ptr++); \
vec_st (_0, 0, ptr++); \ vec_st(_1, 0, ptr++); \
vec_st (_1, 0, ptr++); \ vec_st(_2, 0, ptr++); \
vec_st (_2, 0, ptr++); \ } while (0)
} while (0)
/* pack the pixels in rgb0 format /* pack the pixels in rgb0 format
msb R * msb R
lsb 0 * lsb 0
*/ */
#define vec_mstrgb32(T,x0,x1,x2,x3,ptr) \ #define vec_mstrgb32(T, x0, x1, x2, x3, ptr) \
do { \ do { \
T _0,_1,_2,_3; \ T _0, _1, _2, _3; \
_0 = vec_mergeh (x0,x1); \ _0 = vec_mergeh(x0, x1); \
_1 = vec_mergeh (x2,x3); \ _1 = vec_mergeh(x2, x3); \
_2 = (T)vec_mergeh ((vector unsigned short)_0,(vector unsigned short)_1); \ _2 = (T) vec_mergeh((vector unsigned short) _0, \
_3 = (T)vec_mergel ((vector unsigned short)_0,(vector unsigned short)_1); \ (vector unsigned short) _1); \
vec_st (_2, 0*16, (T *)ptr); \ _3 = (T) vec_mergel((vector unsigned short) _0, \
vec_st (_3, 1*16, (T *)ptr); \ (vector unsigned short) _1); \
_0 = vec_mergel (x0,x1); \ vec_st(_2, 0 * 16, (T *) ptr); \
_1 = vec_mergel (x2,x3); \ vec_st(_3, 1 * 16, (T *) ptr); \
_2 = (T)vec_mergeh ((vector unsigned short)_0,(vector unsigned short)_1); \ _0 = vec_mergel(x0, x1); \
_3 = (T)vec_mergel ((vector unsigned short)_0,(vector unsigned short)_1); \ _1 = vec_mergel(x2, x3); \
vec_st (_2, 2*16, (T *)ptr); \ _2 = (T) vec_mergeh((vector unsigned short) _0, \
vec_st (_3, 3*16, (T *)ptr); \ (vector unsigned short) _1); \
ptr += 4; \ _3 = (T) vec_mergel((vector unsigned short) _0, \
} while (0) (vector unsigned short) _1); \
vec_st(_2, 2 * 16, (T *) ptr); \
vec_st(_3, 3 * 16, (T *) ptr); \
ptr += 4; \
} while (0)
/* /*
* 1 0 1.4021 | | Y |
* 1 -0.3441 -0.7142 |x| Cb|
* 1 1.7718 0 | | Cr|
*
*
* Y: [-128 127]
* Cb/Cr : [-128 127]
*
* typical YUV conversion works on Y: 0-255 this version has been
* optimized for JPEG decoding.
*/
| 1 0 1.4021 | | Y | #define vec_unh(x) \
| 1 -0.3441 -0.7142 |x| Cb| (vector signed short) \
| 1 1.7718 0 | | Cr| vec_perm(x, (__typeof__(x)) { 0 }, \
((vector unsigned char) { \
0x10, 0x00, 0x10, 0x01, 0x10, 0x02, 0x10, 0x03, \
Y: [-128 127] 0x10, 0x04, 0x10, 0x05, 0x10, 0x06, 0x10, 0x07 }))
Cb/Cr : [-128 127]
#define vec_unl(x) \
typical yuv conversion work on Y: 0-255 this version has been optimized for jpeg decode. (vector signed short) \
vec_perm(x, (__typeof__(x)) { 0 }, \
*/ ((vector unsigned char) { \
0x10, 0x08, 0x10, 0x09, 0x10, 0x0A, 0x10, 0x0B, \
0x10, 0x0C, 0x10, 0x0D, 0x10, 0x0E, 0x10, 0x0F }))
#define vec_clip_s16(x) \
#define vec_unh(x) \ vec_max(vec_min(x, ((vector signed short) { \
(vector signed short) \ 235, 235, 235, 235, 235, 235, 235, 235 })), \
vec_perm(x,(__typeof__(x)){0}, \ ((vector signed short) { 16, 16, 16, 16, 16, 16, 16, 16 }))
((vector unsigned char){0x10,0x00,0x10,0x01,0x10,0x02,0x10,0x03,\
0x10,0x04,0x10,0x05,0x10,0x06,0x10,0x07})) #define vec_packclp(x, y) \
#define vec_unl(x) \ (vector unsigned char) \
(vector signed short) \ vec_packs((vector unsigned short) \
vec_perm(x,(__typeof__(x)){0}, \ vec_max(x, ((vector signed short) { 0 })), \
((vector unsigned char){0x10,0x08,0x10,0x09,0x10,0x0A,0x10,0x0B,\ (vector unsigned short) \
0x10,0x0C,0x10,0x0D,0x10,0x0E,0x10,0x0F})) vec_max(y, ((vector signed short) { 0 })))
#define vec_clip_s16(x) \ //#define out_pixels(a, b, c, ptr) vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255 }), a, a, a, ptr)
vec_max (vec_min (x, ((vector signed short){235,235,235,235,235,235,235,235})), \
((vector signed short){ 16, 16, 16, 16, 16, 16, 16, 16})) static inline void cvtyuvtoRGB(SwsContext *c, vector signed short Y,
vector signed short U, vector signed short V,
#define vec_packclp(x,y) \ vector signed short *R, vector signed short *G,
(vector unsigned char)vec_packs \ vector signed short *B)
((vector unsigned short)vec_max (x,((vector signed short) {0})), \
(vector unsigned short)vec_max (y,((vector signed short) {0})))
//#define out_pixels(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),a,a,a,ptr)
static inline void cvtyuvtoRGB (SwsContext *c,
vector signed short Y, vector signed short U, vector signed short V,
vector signed short *R, vector signed short *G, vector signed short *B)
{ {
vector signed short vx,ux,uvx; vector signed short vx, ux, uvx;
Y = vec_mradds (Y, c->CY, c->OY); Y = vec_mradds(Y, c->CY, c->OY);
U = vec_sub (U,(vector signed short) U = vec_sub(U, (vector signed short)
vec_splat((vector signed short){128},0)); vec_splat((vector signed short) { 128 }, 0));
V = vec_sub (V,(vector signed short) V = vec_sub(V, (vector signed short)
vec_splat((vector signed short){128},0)); vec_splat((vector signed short) { 128 }, 0));
// ux = (CBU*(u<<c->CSHIFT)+0x4000)>>15; // ux = (CBU * (u << c->CSHIFT) + 0x4000) >> 15;
ux = vec_sl (U, c->CSHIFT); ux = vec_sl(U, c->CSHIFT);
*B = vec_mradds (ux, c->CBU, Y); *B = vec_mradds(ux, c->CBU, Y);
// vx = (CRV*(v<<c->CSHIFT)+0x4000)>>15; // vx = (CRV * (v << c->CSHIFT) + 0x4000) >> 15;
vx = vec_sl (V, c->CSHIFT); vx = vec_sl(V, c->CSHIFT);
*R = vec_mradds (vx, c->CRV, Y); *R = vec_mradds(vx, c->CRV, Y);
// uvx = ((CGU*u) + (CGV*v))>>15; // uvx = ((CGU * u) + (CGV * v)) >> 15;
uvx = vec_mradds (U, c->CGU, Y); uvx = vec_mradds(U, c->CGU, Y);
*G = vec_mradds (V, c->CGV, uvx); *G = vec_mradds(V, c->CGV, uvx);
} }
/* /*
------------------------------------------------------------------------------ * ------------------------------------------------------------------------------
CS converters * CS converters
------------------------------------------------------------------------------ * ------------------------------------------------------------------------------
*/ */
#define DEFCSP420_CVT(name,out_pixels) \ #define DEFCSP420_CVT(name, out_pixels) \
static int altivec_##name (SwsContext *c, \ static int altivec_ ## name(SwsContext *c, const unsigned char **in, \
const unsigned char **in, int *instrides, \ int *instrides, int srcSliceY, int srcSliceH, \
int srcSliceY, int srcSliceH, \ unsigned char **oplanes, int *outstrides) \
unsigned char **oplanes, int *outstrides) \ { \
{ \ int w = c->srcW; \
int w = c->srcW; \ int h = srcSliceH; \
int h = srcSliceH; \ int i, j; \
int i,j; \ int instrides_scl[3]; \
int instrides_scl[3]; \ vector unsigned char y0, y1; \
vector unsigned char y0,y1; \ \
\ vector signed char u, v; \
vector signed char u,v; \ \
\ vector signed short Y0, Y1, Y2, Y3; \
vector signed short Y0,Y1,Y2,Y3; \ vector signed short U, V; \
vector signed short U,V; \ vector signed short vx, ux, uvx; \
vector signed short vx,ux,uvx; \ vector signed short vx0, ux0, uvx0; \
vector signed short vx0,ux0,uvx0; \ vector signed short vx1, ux1, uvx1; \
vector signed short vx1,ux1,uvx1; \ vector signed short R0, G0, B0; \
vector signed short R0,G0,B0; \ vector signed short R1, G1, B1; \
vector signed short R1,G1,B1; \ vector unsigned char R, G, B; \
vector unsigned char R,G,B; \ \
\ vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \
vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \ vector unsigned char align_perm; \
vector unsigned char align_perm; \ \
\ vector signed short lCY = c->CY; \
vector signed short \ vector signed short lOY = c->OY; \
lCY = c->CY, \ vector signed short lCRV = c->CRV; \
lOY = c->OY, \ vector signed short lCBU = c->CBU; \
lCRV = c->CRV, \ vector signed short lCGU = c->CGU; \
lCBU = c->CBU, \ vector signed short lCGV = c->CGV; \
lCGU = c->CGU, \ vector unsigned short lCSHIFT = c->CSHIFT; \
lCGV = c->CGV; \ \
\ const ubyte *y1i = in[0]; \
vector unsigned short lCSHIFT = c->CSHIFT; \ const ubyte *y2i = in[0] + instrides[0]; \
\ const ubyte *ui = in[1]; \
const ubyte *y1i = in[0]; \ const ubyte *vi = in[2]; \
const ubyte *y2i = in[0]+instrides[0]; \ \
const ubyte *ui = in[1]; \ vector unsigned char *oute = \
const ubyte *vi = in[2]; \ (vector unsigned char *) \
\ (oplanes[0] + srcSliceY * outstrides[0]); \
vector unsigned char *oute \ vector unsigned char *outo = \
= (vector unsigned char *) \ (vector unsigned char *) \
(oplanes[0]+srcSliceY*outstrides[0]); \ (oplanes[0] + srcSliceY * outstrides[0] + outstrides[0]); \
vector unsigned char *outo \ \
= (vector unsigned char *) \ /* loop moves y{1, 2}i by w */ \
(oplanes[0]+srcSliceY*outstrides[0]+outstrides[0]); \ instrides_scl[0] = instrides[0] * 2 - w; \
\ /* loop moves ui by w / 2 */ \
\ instrides_scl[1] = instrides[1] - w / 2; \
instrides_scl[0] = instrides[0]*2-w; /* the loop moves y{1,2}i by w */ \ /* loop moves vi by w / 2 */ \
instrides_scl[1] = instrides[1]-w/2; /* the loop moves ui by w/2 */ \ instrides_scl[2] = instrides[2] - w / 2; \
instrides_scl[2] = instrides[2]-w/2; /* the loop moves vi by w/2 */ \ \
\ for (i = 0; i < h / 2; i++) { \
\ vec_dstst(outo, (0x02000002 | (((w * 3 + 32) / 32) << 16)), 0); \
for (i=0;i<h/2;i++) { \ vec_dstst(oute, (0x02000002 | (((w * 3 + 32) / 32) << 16)), 1); \
vec_dstst (outo, (0x02000002|(((w*3+32)/32)<<16)), 0); \ \
vec_dstst (oute, (0x02000002|(((w*3+32)/32)<<16)), 1); \ for (j = 0; j < w / 16; j++) { \
\ y1ivP = (vector unsigned char *) y1i; \
for (j=0;j<w/16;j++) { \ y2ivP = (vector unsigned char *) y2i; \
\ uivP = (vector unsigned char *) ui; \
y1ivP = (vector unsigned char *)y1i; \ vivP = (vector unsigned char *) vi; \
y2ivP = (vector unsigned char *)y2i; \ \
uivP = (vector unsigned char *)ui; \ align_perm = vec_lvsl(0, y1i); \
vivP = (vector unsigned char *)vi; \ y0 = (vector unsigned char) \
\ vec_perm(y1ivP[0], y1ivP[1], align_perm); \
align_perm = vec_lvsl (0, y1i); \ \
y0 = (vector unsigned char) \ align_perm = vec_lvsl(0, y2i); \
vec_perm (y1ivP[0], y1ivP[1], align_perm); \ y1 = (vector unsigned char) \
\ vec_perm(y2ivP[0], y2ivP[1], align_perm); \
align_perm = vec_lvsl (0, y2i); \ \
y1 = (vector unsigned char) \ align_perm = vec_lvsl(0, ui); \
vec_perm (y2ivP[0], y2ivP[1], align_perm); \ u = (vector signed char) \
\ vec_perm(uivP[0], uivP[1], align_perm); \
align_perm = vec_lvsl (0, ui); \ \
u = (vector signed char) \ align_perm = vec_lvsl(0, vi); \
vec_perm (uivP[0], uivP[1], align_perm); \ v = (vector signed char) \
\ vec_perm(vivP[0], vivP[1], align_perm); \
align_perm = vec_lvsl (0, vi); \ \
v = (vector signed char) \ u = (vector signed char) \
vec_perm (vivP[0], vivP[1], align_perm); \ vec_sub(u, \
\ (vector signed char) \
u = (vector signed char) \ vec_splat((vector signed char) { 128 }, 0)); \
vec_sub (u,(vector signed char) \ v = (vector signed char) \
vec_splat((vector signed char){128},0)); \ vec_sub(v, \
v = (vector signed char) \ (vector signed char) \
vec_sub (v,(vector signed char) \ vec_splat((vector signed char) { 128 }, 0)); \
vec_splat((vector signed char){128},0)); \ \
\ U = vec_unpackh(u); \
U = vec_unpackh (u); \ V = vec_unpackh(v); \
V = vec_unpackh (v); \ \
\ Y0 = vec_unh(y0); \
\ Y1 = vec_unl(y0); \
Y0 = vec_unh (y0); \ Y2 = vec_unh(y1); \
Y1 = vec_unl (y0); \ Y3 = vec_unl(y1); \
Y2 = vec_unh (y1); \ \
Y3 = vec_unl (y1); \ Y0 = vec_mradds(Y0, lCY, lOY); \
\ Y1 = vec_mradds(Y1, lCY, lOY); \
Y0 = vec_mradds (Y0, lCY, lOY); \ Y2 = vec_mradds(Y2, lCY, lOY); \
Y1 = vec_mradds (Y1, lCY, lOY); \ Y3 = vec_mradds(Y3, lCY, lOY); \
Y2 = vec_mradds (Y2, lCY, lOY); \ \
Y3 = vec_mradds (Y3, lCY, lOY); \ /* ux = (CBU * (u << CSHIFT) + 0x4000) >> 15 */ \
\ ux = vec_sl(U, lCSHIFT); \
/* ux = (CBU*(u<<CSHIFT)+0x4000)>>15 */ \ ux = vec_mradds(ux, lCBU, (vector signed short) { 0 }); \
ux = vec_sl (U, lCSHIFT); \ ux0 = vec_mergeh(ux, ux); \
ux = vec_mradds (ux, lCBU, (vector signed short){0}); \ ux1 = vec_mergel(ux, ux); \
ux0 = vec_mergeh (ux,ux); \ \
ux1 = vec_mergel (ux,ux); \ /* vx = (CRV * (v << CSHIFT) + 0x4000) >> 15; */ \
\ vx = vec_sl(V, lCSHIFT); \
/* vx = (CRV*(v<<CSHIFT)+0x4000)>>15; */ \ vx = vec_mradds(vx, lCRV, (vector signed short) { 0 }); \
vx = vec_sl (V, lCSHIFT); \ vx0 = vec_mergeh(vx, vx); \
vx = vec_mradds (vx, lCRV, (vector signed short){0}); \ vx1 = vec_mergel(vx, vx); \
vx0 = vec_mergeh (vx,vx); \ \
vx1 = vec_mergel (vx,vx); \ /* uvx = ((CGU * u) + (CGV * v)) >> 15 */ \
\ uvx = vec_mradds(U, lCGU, (vector signed short) { 0 }); \
/* uvx = ((CGU*u) + (CGV*v))>>15 */ \ uvx = vec_mradds(V, lCGV, uvx); \
uvx = vec_mradds (U, lCGU, (vector signed short){0}); \ uvx0 = vec_mergeh(uvx, uvx); \
uvx = vec_mradds (V, lCGV, uvx); \ uvx1 = vec_mergel(uvx, uvx); \
uvx0 = vec_mergeh (uvx,uvx); \ \
uvx1 = vec_mergel (uvx,uvx); \ R0 = vec_add(Y0, vx0); \
\ G0 = vec_add(Y0, uvx0); \
R0 = vec_add (Y0,vx0); \ B0 = vec_add(Y0, ux0); \
G0 = vec_add (Y0,uvx0); \ R1 = vec_add(Y1, vx1); \
B0 = vec_add (Y0,ux0); \ G1 = vec_add(Y1, uvx1); \
R1 = vec_add (Y1,vx1); \ B1 = vec_add(Y1, ux1); \
G1 = vec_add (Y1,uvx1); \ \
B1 = vec_add (Y1,ux1); \ R = vec_packclp(R0, R1); \
\ G = vec_packclp(G0, G1); \
R = vec_packclp (R0,R1); \ B = vec_packclp(B0, B1); \
G = vec_packclp (G0,G1); \ \
B = vec_packclp (B0,B1); \ out_pixels(R, G, B, oute); \
\ \
out_pixels(R,G,B,oute); \ R0 = vec_add(Y2, vx0); \
\ G0 = vec_add(Y2, uvx0); \
R0 = vec_add (Y2,vx0); \ B0 = vec_add(Y2, ux0); \
G0 = vec_add (Y2,uvx0); \ R1 = vec_add(Y3, vx1); \
B0 = vec_add (Y2,ux0); \ G1 = vec_add(Y3, uvx1); \
R1 = vec_add (Y3,vx1); \ B1 = vec_add(Y3, ux1); \
G1 = vec_add (Y3,uvx1); \ R = vec_packclp(R0, R1); \
B1 = vec_add (Y3,ux1); \ G = vec_packclp(G0, G1); \
R = vec_packclp (R0,R1); \ B = vec_packclp(B0, B1); \
G = vec_packclp (G0,G1); \ \
B = vec_packclp (B0,B1); \ \
\ out_pixels(R, G, B, outo); \
\ \
out_pixels(R,G,B,outo); \ y1i += 16; \
\ y2i += 16; \
y1i += 16; \ ui += 8; \
y2i += 16; \ vi += 8; \
ui += 8; \ } \
vi += 8; \ \
\ outo += (outstrides[0]) >> 4; \
} \ oute += (outstrides[0]) >> 4; \
\ \
outo += (outstrides[0])>>4; \ ui += instrides_scl[1]; \
oute += (outstrides[0])>>4; \ vi += instrides_scl[2]; \
\ y1i += instrides_scl[0]; \
ui += instrides_scl[1]; \ y2i += instrides_scl[0]; \
vi += instrides_scl[2]; \ } \
y1i += instrides_scl[0]; \ return srcSliceH; \
y2i += instrides_scl[0]; \
} \
return srcSliceH; \
} }
#define out_abgr(a, b, c, ptr) \
#define out_abgr(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),c,b,a,ptr) vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255 }), c, b, a, ptr)
#define out_bgra(a,b,c,ptr) vec_mstrgb32(__typeof__(a),c,b,a,((__typeof__ (a)){255}),ptr) #define out_bgra(a, b, c, ptr) \
#define out_rgba(a,b,c,ptr) vec_mstrgb32(__typeof__(a),a,b,c,((__typeof__ (a)){255}),ptr) vec_mstrgb32(__typeof__(a), c, b, a, ((__typeof__(a)) { 255 }), ptr)
#define out_argb(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),a,b,c,ptr) #define out_rgba(a, b, c, ptr) \
#define out_rgb24(a,b,c,ptr) vec_mstrgb24(a,b,c,ptr) vec_mstrgb32(__typeof__(a), a, b, c, ((__typeof__(a)) { 255 }), ptr)
#define out_bgr24(a,b,c,ptr) vec_mstbgr24(a,b,c,ptr) #define out_argb(a, b, c, ptr) \
vec_mstrgb32(__typeof__(a), ((__typeof__(a)) { 255 }), a, b, c, ptr)
DEFCSP420_CVT (yuv2_abgr, out_abgr) #define out_rgb24(a, b, c, ptr) vec_mstrgb24(a, b, c, ptr)
DEFCSP420_CVT (yuv2_bgra, out_bgra) #define out_bgr24(a, b, c, ptr) vec_mstbgr24(a, b, c, ptr)
DEFCSP420_CVT (yuv2_rgba, out_rgba)
DEFCSP420_CVT (yuv2_argb, out_argb) DEFCSP420_CVT(yuv2_abgr, out_abgr)
DEFCSP420_CVT (yuv2_rgb24, out_rgb24) DEFCSP420_CVT(yuv2_bgra, out_bgra)
DEFCSP420_CVT (yuv2_bgr24, out_bgr24) DEFCSP420_CVT(yuv2_rgba, out_rgba)
DEFCSP420_CVT(yuv2_argb, out_argb)
DEFCSP420_CVT(yuv2_rgb24, out_rgb24)
DEFCSP420_CVT(yuv2_bgr24, out_bgr24)
// uyvy|uyvy|uyvy|uyvy // uyvy|uyvy|uyvy|uyvy
// 0123 4567 89ab cdef // 0123 4567 89ab cdef
static static const vector unsigned char
const vector unsigned char demux_u = { 0x10, 0x00, 0x10, 0x00,
demux_u = {0x10,0x00,0x10,0x00, 0x10, 0x04, 0x10, 0x04,
0x10,0x04,0x10,0x04, 0x10, 0x08, 0x10, 0x08,
0x10,0x08,0x10,0x08, 0x10, 0x0c, 0x10, 0x0c },
0x10,0x0c,0x10,0x0c}, demux_v = { 0x10, 0x02, 0x10, 0x02,
demux_v = {0x10,0x02,0x10,0x02, 0x10, 0x06, 0x10, 0x06,
0x10,0x06,0x10,0x06, 0x10, 0x0A, 0x10, 0x0A,
0x10,0x0A,0x10,0x0A, 0x10, 0x0E, 0x10, 0x0E },
0x10,0x0E,0x10,0x0E}, demux_y = { 0x10, 0x01, 0x10, 0x03,
demux_y = {0x10,0x01,0x10,0x03, 0x10, 0x05, 0x10, 0x07,
0x10,0x05,0x10,0x07, 0x10, 0x09, 0x10, 0x0B,
0x10,0x09,0x10,0x0B, 0x10, 0x0D, 0x10, 0x0F };
0x10,0x0D,0x10,0x0F};
/* /*
this is so I can play live CCIR raw video * this is so I can play live CCIR raw video
*/ */
static int altivec_uyvy_rgb32 (SwsContext *c, static int altivec_uyvy_rgb32(SwsContext *c, const unsigned char **in,
const unsigned char **in, int *instrides, int *instrides, int srcSliceY, int srcSliceH,
int srcSliceY, int srcSliceH, unsigned char **oplanes, int *outstrides)
unsigned char **oplanes, int *outstrides)
{ {
int w = c->srcW; int w = c->srcW;
int h = srcSliceH; int h = srcSliceH;
int i,j; int i, j;
vector unsigned char uyvy; vector unsigned char uyvy;
vector signed short Y,U,V; vector signed short Y, U, V;
vector signed short R0,G0,B0,R1,G1,B1; vector signed short R0, G0, B0, R1, G1, B1;
vector unsigned char R,G,B; vector unsigned char R, G, B;
vector unsigned char *out; vector unsigned char *out;
const ubyte *img; const ubyte *img;
img = in[0]; img = in[0];
out = (vector unsigned char *)(oplanes[0]+srcSliceY*outstrides[0]); out = (vector unsigned char *) (oplanes[0] + srcSliceY * outstrides[0]);
for (i=0;i<h;i++) { for (i = 0; i < h; i++)
for (j=0;j<w/16;j++) { for (j = 0; j < w / 16; j++) {
uyvy = vec_ld (0, img); uyvy = vec_ld(0, img);
U = (vector signed short)
vec_perm (uyvy, (vector unsigned char){0}, demux_u);
U = (vector signed short)
vec_perm(uyvy, (vector unsigned char) { 0 }, demux_u);
V = (vector signed short) V = (vector signed short)
vec_perm (uyvy, (vector unsigned char){0}, demux_v); vec_perm(uyvy, (vector unsigned char) { 0 }, demux_v);
Y = (vector signed short) Y = (vector signed short)
vec_perm (uyvy, (vector unsigned char){0}, demux_y); vec_perm(uyvy, (vector unsigned char) { 0 }, demux_y);
cvtyuvtoRGB (c, Y,U,V,&R0,&G0,&B0); cvtyuvtoRGB(c, Y, U, V, &R0, &G0, &B0);
uyvy = vec_ld (16, img); uyvy = vec_ld(16, img);
U = (vector signed short)
vec_perm (uyvy, (vector unsigned char){0}, demux_u);
U = (vector signed short)
vec_perm(uyvy, (vector unsigned char) { 0 }, demux_u);
V = (vector signed short) V = (vector signed short)
vec_perm (uyvy, (vector unsigned char){0}, demux_v); vec_perm(uyvy, (vector unsigned char) { 0 }, demux_v);
Y = (vector signed short) Y = (vector signed short)
vec_perm (uyvy, (vector unsigned char){0}, demux_y); vec_perm(uyvy, (vector unsigned char) { 0 }, demux_y);
cvtyuvtoRGB (c, Y,U,V,&R1,&G1,&B1); cvtyuvtoRGB(c, Y, U, V, &R1, &G1, &B1);
R = vec_packclp (R0,R1); R = vec_packclp(R0, R1);
G = vec_packclp (G0,G1); G = vec_packclp(G0, G1);
B = vec_packclp (B0,B1); B = vec_packclp(B0, B1);
// vec_mstbgr24 (R,G,B, out); // vec_mstbgr24 (R,G,B, out);
out_rgba (R,G,B,out); out_rgba(R, G, B, out);
img += 32; img += 32;
} }
}
return srcSliceH; return srcSliceH;
} }
/* Ok currently the acceleration routine only supports /* Ok currently the acceleration routine only supports
inputs of widths a multiple of 16 * inputs of widths a multiple of 16
and heights a multiple 2 * and heights a multiple 2
*
So we just fall back to the C codes for this. * So we just fall back to the C codes for this.
*/ */
SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c) SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
{ {
if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC)) if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
return NULL; return NULL;
/* /*
and this seems not to matter too much I tried a bunch of * and this seems not to matter too much I tried a bunch of
videos with abnormal widths and MPlayer crashes elsewhere. * videos with abnormal widths and MPlayer crashes elsewhere.
mplayer -vo x11 -rawvideo on:w=350:h=240 raw-350x240.eyuv * mplayer -vo x11 -rawvideo on:w=350:h=240 raw-350x240.eyuv
boom with X11 bad match. * boom with X11 bad match.
*
*/ */
if ((c->srcW & 0xf) != 0) return NULL; if ((c->srcW & 0xf) != 0)
return NULL;
switch (c->srcFormat) { switch (c->srcFormat) {
case PIX_FMT_YUV410P: case PIX_FMT_YUV410P:
...@@ -564,7 +560,7 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c) ...@@ -564,7 +560,7 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
if ((c->srcH & 0x1) != 0) if ((c->srcH & 0x1) != 0)
return NULL; return NULL;
switch(c->dstFormat) { switch (c->dstFormat) {
case PIX_FMT_RGB24: case PIX_FMT_RGB24:
av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGB24\n"); av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space RGB24\n");
return altivec_yuv2_rgb24; return altivec_yuv2_rgb24;
...@@ -588,143 +584,160 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c) ...@@ -588,143 +584,160 @@ SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c)
break; break;
case PIX_FMT_UYVY422: case PIX_FMT_UYVY422:
switch(c->dstFormat) { switch (c->dstFormat) {
case PIX_FMT_BGR32: case PIX_FMT_BGR32:
av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space UYVY -> RGB32\n"); av_log(c, AV_LOG_WARNING, "ALTIVEC: Color Space UYVY -> RGB32\n");
return altivec_uyvy_rgb32; return altivec_uyvy_rgb32;
default: return NULL; default: return NULL;
} }
break; break;
} }
return NULL; return NULL;
} }
void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4], int brightness, int contrast, int saturation) void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4],
int brightness, int contrast,
int saturation)
{ {
union { union {
DECLARE_ALIGNED(16, signed short, tmp)[8]; DECLARE_ALIGNED(16, signed short, tmp)[8];
vector signed short vec; vector signed short vec;
} buf; } buf;
buf.tmp[0] = ((0xffffLL) * contrast>>8)>>9; //cy buf.tmp[0] = ((0xffffLL) * contrast >> 8) >> 9; // cy
buf.tmp[1] = -256*brightness; //oy buf.tmp[1] = -256 * brightness; // oy
buf.tmp[2] = (inv_table[0]>>3) *(contrast>>16)*(saturation>>16); //crv buf.tmp[2] = (inv_table[0] >> 3) * (contrast >> 16) * (saturation >> 16); // crv
buf.tmp[3] = (inv_table[1]>>3) *(contrast>>16)*(saturation>>16); //cbu buf.tmp[3] = (inv_table[1] >> 3) * (contrast >> 16) * (saturation >> 16); // cbu
buf.tmp[4] = -((inv_table[2]>>1)*(contrast>>16)*(saturation>>16)); //cgu buf.tmp[4] = -((inv_table[2] >> 1) * (contrast >> 16) * (saturation >> 16)); // cgu
buf.tmp[5] = -((inv_table[3]>>1)*(contrast>>16)*(saturation>>16)); //cgv buf.tmp[5] = -((inv_table[3] >> 1) * (contrast >> 16) * (saturation >> 16)); // cgv
c->CSHIFT = (vector unsigned short) vec_splat_u16(2);
c->CSHIFT = (vector unsigned short)vec_splat_u16(2); c->CY = vec_splat((vector signed short) buf.vec, 0);
c->CY = vec_splat ((vector signed short)buf.vec, 0); c->OY = vec_splat((vector signed short) buf.vec, 1);
c->OY = vec_splat ((vector signed short)buf.vec, 1); c->CRV = vec_splat((vector signed short) buf.vec, 2);
c->CRV = vec_splat ((vector signed short)buf.vec, 2); c->CBU = vec_splat((vector signed short) buf.vec, 3);
c->CBU = vec_splat ((vector signed short)buf.vec, 3); c->CGU = vec_splat((vector signed short) buf.vec, 4);
c->CGU = vec_splat ((vector signed short)buf.vec, 4); c->CGV = vec_splat((vector signed short) buf.vec, 5);
c->CGV = vec_splat ((vector signed short)buf.vec, 5);
return; return;
} }
static av_always_inline void ff_yuv2packedX_altivec(SwsContext *c,
static av_always_inline void const int16_t *lumFilter,
ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc,
const int16_t **lumSrc, int lumFilterSize, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t *chrFilter,
const int16_t **chrVSrc, int chrFilterSize, const int16_t **chrUSrc,
const int16_t **alpSrc, uint8_t *dest, const int16_t **chrVSrc,
int dstW, int dstY, enum PixelFormat target) int chrFilterSize,
const int16_t **alpSrc,
uint8_t *dest,
int dstW, int dstY,
enum PixelFormat target)
{ {
int i,j; int i, j;
vector signed short X,X0,X1,Y0,U0,V0,Y1,U1,V1,U,V; vector signed short X, X0, X1, Y0, U0, V0, Y1, U1, V1, U, V;
vector signed short R0,G0,B0,R1,G1,B1; vector signed short R0, G0, B0, R1, G1, B1;
vector unsigned char R,G,B; vector unsigned char R, G, B;
vector unsigned char *out,*nout; vector unsigned char *out, *nout;
vector signed short RND = vec_splat_s16(1<<3); vector signed short RND = vec_splat_s16(1 << 3);
vector unsigned short SCL = vec_splat_u16(4); vector unsigned short SCL = vec_splat_u16(4);
DECLARE_ALIGNED(16, unsigned int, scratch)[16]; DECLARE_ALIGNED(16, unsigned int, scratch)[16];
vector signed short *YCoeffs, *CCoeffs; vector signed short *YCoeffs, *CCoeffs;
YCoeffs = c->vYCoeffsBank+dstY*lumFilterSize; YCoeffs = c->vYCoeffsBank + dstY * lumFilterSize;
CCoeffs = c->vCCoeffsBank+dstY*chrFilterSize; CCoeffs = c->vCCoeffsBank + dstY * chrFilterSize;
out = (vector unsigned char *)dest; out = (vector unsigned char *) dest;
for (i=0; i<dstW; i+=16) { for (i = 0; i < dstW; i += 16) {
Y0 = RND; Y0 = RND;
Y1 = RND; Y1 = RND;
/* extract 16 coeffs from lumSrc */ /* extract 16 coeffs from lumSrc */
for (j=0; j<lumFilterSize; j++) { for (j = 0; j < lumFilterSize; j++) {
X0 = vec_ld (0, &lumSrc[j][i]); X0 = vec_ld(0, &lumSrc[j][i]);
X1 = vec_ld (16, &lumSrc[j][i]); X1 = vec_ld(16, &lumSrc[j][i]);
Y0 = vec_mradds (X0, YCoeffs[j], Y0); Y0 = vec_mradds(X0, YCoeffs[j], Y0);
Y1 = vec_mradds (X1, YCoeffs[j], Y1); Y1 = vec_mradds(X1, YCoeffs[j], Y1);
} }
U = RND; U = RND;
V = RND; V = RND;
/* extract 8 coeffs from U,V */ /* extract 8 coeffs from U,V */
for (j=0; j<chrFilterSize; j++) { for (j = 0; j < chrFilterSize; j++) {
X = vec_ld (0, &chrUSrc[j][i/2]); X = vec_ld(0, &chrUSrc[j][i / 2]);
U = vec_mradds (X, CCoeffs[j], U); U = vec_mradds(X, CCoeffs[j], U);
X = vec_ld (0, &chrVSrc[j][i/2]); X = vec_ld(0, &chrVSrc[j][i / 2]);
V = vec_mradds (X, CCoeffs[j], V); V = vec_mradds(X, CCoeffs[j], V);
} }
/* scale and clip signals */ /* scale and clip signals */
Y0 = vec_sra (Y0, SCL); Y0 = vec_sra(Y0, SCL);
Y1 = vec_sra (Y1, SCL); Y1 = vec_sra(Y1, SCL);
U = vec_sra (U, SCL); U = vec_sra(U, SCL);
V = vec_sra (V, SCL); V = vec_sra(V, SCL);
Y0 = vec_clip_s16 (Y0); Y0 = vec_clip_s16(Y0);
Y1 = vec_clip_s16 (Y1); Y1 = vec_clip_s16(Y1);
U = vec_clip_s16 (U); U = vec_clip_s16(U);
V = vec_clip_s16 (V); V = vec_clip_s16(V);
/* now we have /* now we have
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 * Y0 = y0 y1 y2 y3 y4 y5 y6 y7 Y1 = y8 y9 y10 y11 y12 y13 y14 y15
U= u0 u1 u2 u3 u4 u5 u6 u7 V= v0 v1 v2 v3 v4 v5 v6 v7 * U = u0 u1 u2 u3 u4 u5 u6 u7 V = v0 v1 v2 v3 v4 v5 v6 v7
*
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 * Y0 = y0 y1 y2 y3 y4 y5 y6 y7 Y1 = y8 y9 y10 y11 y12 y13 y14 y15
U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7 * U0 = u0 u0 u1 u1 u2 u2 u3 u3 U1 = u4 u4 u5 u5 u6 u6 u7 u7
V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7 * V0 = v0 v0 v1 v1 v2 v2 v3 v3 V1 = v4 v4 v5 v5 v6 v6 v7 v7
*/ */
U0 = vec_mergeh (U,U); U0 = vec_mergeh(U, U);
V0 = vec_mergeh (V,V); V0 = vec_mergeh(V, V);
U1 = vec_mergel (U,U); U1 = vec_mergel(U, U);
V1 = vec_mergel (V,V); V1 = vec_mergel(V, V);
cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0); cvtyuvtoRGB(c, Y0, U0, V0, &R0, &G0, &B0);
cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1); cvtyuvtoRGB(c, Y1, U1, V1, &R1, &G1, &B1);
R = vec_packclp (R0,R1); R = vec_packclp(R0, R1);
G = vec_packclp (G0,G1); G = vec_packclp(G0, G1);
B = vec_packclp (B0,B1); B = vec_packclp(B0, B1);
switch(target) { switch (target) {
case PIX_FMT_ABGR: out_abgr (R,G,B,out); break; case PIX_FMT_ABGR:
case PIX_FMT_BGRA: out_bgra (R,G,B,out); break; out_abgr(R, G, B, out);
case PIX_FMT_RGBA: out_rgba (R,G,B,out); break; break;
case PIX_FMT_ARGB: out_argb (R,G,B,out); break; case PIX_FMT_BGRA:
case PIX_FMT_RGB24: out_rgb24 (R,G,B,out); break; out_bgra(R, G, B, out);
case PIX_FMT_BGR24: out_bgr24 (R,G,B,out); break; break;
case PIX_FMT_RGBA:
out_rgba(R, G, B, out);
break;
case PIX_FMT_ARGB:
out_argb(R, G, B, out);
break;
case PIX_FMT_RGB24:
out_rgb24(R, G, B, out);
break;
case PIX_FMT_BGR24:
out_bgr24(R, G, B, out);
break;
default: default:
{ {
/* If this is reached, the caller should have called yuv2packedXinC /* If this is reached, the caller should have called yuv2packedXinC
instead. */ * instead. */
static int printed_error_message; static int printed_error_message;
if (!printed_error_message) { if (!printed_error_message) {
av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n", av_log(c, AV_LOG_ERROR,
sws_format_name(c->dstFormat)); "altivec_yuv2packedX doesn't support %s output\n",
printed_error_message=1; sws_format_name(c->dstFormat));
} printed_error_message = 1;
return;
} }
return;
}
} }
} }
...@@ -734,87 +747,104 @@ ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter, ...@@ -734,87 +747,104 @@ ff_yuv2packedX_altivec(SwsContext *c, const int16_t *lumFilter,
Y0 = RND; Y0 = RND;
Y1 = RND; Y1 = RND;
/* extract 16 coeffs from lumSrc */ /* extract 16 coeffs from lumSrc */
for (j=0; j<lumFilterSize; j++) { for (j = 0; j < lumFilterSize; j++) {
X0 = vec_ld (0, &lumSrc[j][i]); X0 = vec_ld(0, &lumSrc[j][i]);
X1 = vec_ld (16, &lumSrc[j][i]); X1 = vec_ld(16, &lumSrc[j][i]);
Y0 = vec_mradds (X0, YCoeffs[j], Y0); Y0 = vec_mradds(X0, YCoeffs[j], Y0);
Y1 = vec_mradds (X1, YCoeffs[j], Y1); Y1 = vec_mradds(X1, YCoeffs[j], Y1);
} }
U = RND; U = RND;
V = RND; V = RND;
/* extract 8 coeffs from U,V */ /* extract 8 coeffs from U,V */
for (j=0; j<chrFilterSize; j++) { for (j = 0; j < chrFilterSize; j++) {
X = vec_ld (0, &chrUSrc[j][i/2]); X = vec_ld(0, &chrUSrc[j][i / 2]);
U = vec_mradds (X, CCoeffs[j], U); U = vec_mradds(X, CCoeffs[j], U);
X = vec_ld (0, &chrVSrc[j][i/2]); X = vec_ld(0, &chrVSrc[j][i / 2]);
V = vec_mradds (X, CCoeffs[j], V); V = vec_mradds(X, CCoeffs[j], V);
} }
/* scale and clip signals */ /* scale and clip signals */
Y0 = vec_sra (Y0, SCL); Y0 = vec_sra(Y0, SCL);
Y1 = vec_sra (Y1, SCL); Y1 = vec_sra(Y1, SCL);
U = vec_sra (U, SCL); U = vec_sra(U, SCL);
V = vec_sra (V, SCL); V = vec_sra(V, SCL);
Y0 = vec_clip_s16 (Y0); Y0 = vec_clip_s16(Y0);
Y1 = vec_clip_s16 (Y1); Y1 = vec_clip_s16(Y1);
U = vec_clip_s16 (U); U = vec_clip_s16(U);
V = vec_clip_s16 (V); V = vec_clip_s16(V);
/* now we have /* now we have
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 * Y0 = y0 y1 y2 y3 y4 y5 y6 y7 Y1 = y8 y9 y10 y11 y12 y13 y14 y15
U = u0 u1 u2 u3 u4 u5 u6 u7 V = v0 v1 v2 v3 v4 v5 v6 v7 * U = u0 u1 u2 u3 u4 u5 u6 u7 V = v0 v1 v2 v3 v4 v5 v6 v7
*
Y0= y0 y1 y2 y3 y4 y5 y6 y7 Y1= y8 y9 y10 y11 y12 y13 y14 y15 * Y0 = y0 y1 y2 y3 y4 y5 y6 y7 Y1 = y8 y9 y10 y11 y12 y13 y14 y15
U0= u0 u0 u1 u1 u2 u2 u3 u3 U1= u4 u4 u5 u5 u6 u6 u7 u7 * U0 = u0 u0 u1 u1 u2 u2 u3 u3 U1 = u4 u4 u5 u5 u6 u6 u7 u7
V0= v0 v0 v1 v1 v2 v2 v3 v3 V1= v4 v4 v5 v5 v6 v6 v7 v7 * V0 = v0 v0 v1 v1 v2 v2 v3 v3 V1 = v4 v4 v5 v5 v6 v6 v7 v7
*/ */
U0 = vec_mergeh (U,U); U0 = vec_mergeh(U, U);
V0 = vec_mergeh (V,V); V0 = vec_mergeh(V, V);
U1 = vec_mergel (U,U); U1 = vec_mergel(U, U);
V1 = vec_mergel (V,V); V1 = vec_mergel(V, V);
cvtyuvtoRGB (c, Y0,U0,V0,&R0,&G0,&B0); cvtyuvtoRGB(c, Y0, U0, V0, &R0, &G0, &B0);
cvtyuvtoRGB (c, Y1,U1,V1,&R1,&G1,&B1); cvtyuvtoRGB(c, Y1, U1, V1, &R1, &G1, &B1);
R = vec_packclp (R0,R1); R = vec_packclp(R0, R1);
G = vec_packclp (G0,G1); G = vec_packclp(G0, G1);
B = vec_packclp (B0,B1); B = vec_packclp(B0, B1);
nout = (vector unsigned char *)scratch; nout = (vector unsigned char *) scratch;
switch(target) { switch (target) {
case PIX_FMT_ABGR: out_abgr (R,G,B,nout); break; case PIX_FMT_ABGR:
case PIX_FMT_BGRA: out_bgra (R,G,B,nout); break; out_abgr(R, G, B, nout);
case PIX_FMT_RGBA: out_rgba (R,G,B,nout); break; break;
case PIX_FMT_ARGB: out_argb (R,G,B,nout); break; case PIX_FMT_BGRA:
case PIX_FMT_RGB24: out_rgb24 (R,G,B,nout); break; out_bgra(R, G, B, nout);
case PIX_FMT_BGR24: out_bgr24 (R,G,B,nout); break; break;
case PIX_FMT_RGBA:
out_rgba(R, G, B, nout);
break;
case PIX_FMT_ARGB:
out_argb(R, G, B, nout);
break;
case PIX_FMT_RGB24:
out_rgb24(R, G, B, nout);
break;
case PIX_FMT_BGR24:
out_bgr24(R, G, B, nout);
break;
default: default:
/* Unreachable, I think. */ /* Unreachable, I think. */
av_log(c, AV_LOG_ERROR, "altivec_yuv2packedX doesn't support %s output\n", av_log(c, AV_LOG_ERROR,
"altivec_yuv2packedX doesn't support %s output\n",
sws_format_name(c->dstFormat)); sws_format_name(c->dstFormat));
return; return;
} }
memcpy (&((uint32_t*)dest)[i], scratch, (dstW-i)/4); memcpy(&((uint32_t *) dest)[i], scratch, (dstW - i) / 4);
} }
} }
#define YUV2PACKEDX_WRAPPER(suffix, pixfmt) \ #define YUV2PACKEDX_WRAPPER(suffix, pixfmt) \
void ff_yuv2 ## suffix ## _X_altivec(SwsContext *c, const int16_t *lumFilter, \ void ff_yuv2 ## suffix ## _X_altivec(SwsContext *c, \
const int16_t **lumSrc, int lumFilterSize, \ const int16_t *lumFilter, \
const int16_t *chrFilter, const int16_t **chrUSrc, \ const int16_t **lumSrc, \
const int16_t **chrVSrc, int chrFilterSize, \ int lumFilterSize, \
const int16_t **alpSrc, uint8_t *dest, \ const int16_t *chrFilter, \
int dstW, int dstY) \ const int16_t **chrUSrc, \
{ \ const int16_t **chrVSrc, \
ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize, \ int chrFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \ const int16_t **alpSrc, \
alpSrc, dest, dstW, dstY, pixfmt); \ uint8_t *dest, int dstW, int dstY) \
{ \
ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, \
chrFilterSize, alpSrc, \
dest, dstW, dstY, pixfmt); \
} }
YUV2PACKEDX_WRAPPER(abgr, PIX_FMT_ABGR); YUV2PACKEDX_WRAPPER(abgr, PIX_FMT_ABGR);
......
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