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-rw-r--r--libswscale/swscale.c126
1 files changed, 53 insertions, 73 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c
index 845af3d190..8f41547be1 100644
--- a/libswscale/swscale.c
+++ b/libswscale/swscale.c
@@ -1562,6 +1562,37 @@ static inline void hcscale(SwsContext *c, uint16_t *dst1, uint16_t *dst2, int ds
c->chrConvertRange(dst1, dst2, dstWidth);
}
+static av_always_inline void
+find_c_packed_planar_out_funcs(SwsContext *c,
+ yuv2planar1_fn *yuv2yuv1, yuv2planarX_fn *yuv2yuvX,
+ yuv2packed1_fn *yuv2packed1, yuv2packed2_fn *yuv2packed2,
+ yuv2packedX_fn *yuv2packedX)
+{
+ enum PixelFormat dstFormat = c->dstFormat;
+
+ if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
+ *yuv2yuvX = yuv2nv12X_c;
+ } else if (is16BPS(dstFormat)) {
+ *yuv2yuvX = isBE(dstFormat) ? yuv2yuvX16BE_c : yuv2yuvX16LE_c;
+ } else if (is9_OR_10BPS(dstFormat)) {
+ if (dstFormat == PIX_FMT_YUV420P9BE || dstFormat == PIX_FMT_YUV420P9LE) {
+ *yuv2yuvX = isBE(dstFormat) ? yuv2yuvX9BE_c : yuv2yuvX9LE_c;
+ } else {
+ *yuv2yuvX = isBE(dstFormat) ? yuv2yuvX10BE_c : yuv2yuvX10LE_c;
+ }
+ } else {
+ *yuv2yuv1 = yuv2yuv1_c;
+ *yuv2yuvX = yuv2yuvX_c;
+ }
+ if(c->flags & SWS_FULL_CHR_H_INT) {
+ *yuv2packedX = yuv2rgbX_c_full;
+ } else {
+ *yuv2packed1 = yuv2packed1_c;
+ *yuv2packed2 = yuv2packed2_c;
+ *yuv2packedX = yuv2packedX_c;
+ }
+}
+
#define DEBUG_SWSCALE_BUFFERS 0
#define DEBUG_BUFFERS(...) if (DEBUG_SWSCALE_BUFFERS) av_log(c, AV_LOG_DEBUG, __VA_ARGS__)
@@ -1605,6 +1636,11 @@ static int swScale(SwsContext *c, const uint8_t* src[],
const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
int lastDstY;
uint32_t *pal=c->pal_yuv;
+ yuv2planar1_fn yuv2yuv1 = c->yuv2yuv1;
+ yuv2planarX_fn yuv2yuvX = c->yuv2yuvX;
+ yuv2packed1_fn yuv2packed1 = c->yuv2packed1;
+ yuv2packed2_fn yuv2packed2 = c->yuv2packed2;
+ yuv2packedX_fn yuv2packedX = c->yuv2packedX;
/* vars which will change and which we need to store back in the context */
int dstY= c->dstY;
@@ -1741,7 +1777,14 @@ static int swScale(SwsContext *c, const uint8_t* src[],
#if HAVE_MMX
updateMMXDitherTables(c, dstY, lumBufIndex, chrBufIndex, lastInLumBuf, lastInChrBuf);
#endif
- if (dstY < dstH-2) {
+ if (dstY >= dstH-2) {
+ // hmm looks like we can't use MMX here without overwriting this array's tail
+ find_c_packed_planar_out_funcs(c, &yuv2yuv1, &yuv2yuvX,
+ &yuv2packed1, &yuv2packed2,
+ &yuv2packedX);
+ }
+
+ {
const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **chrVSrcPtr= (const int16_t **) chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
@@ -1754,10 +1797,10 @@ static int swScale(SwsContext *c, const uint8_t* src[],
const int16_t *chrUBuf= chrUSrcPtr[0];
const int16_t *chrVBuf= chrVSrcPtr[0];
const int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpSrcPtr[0] : NULL;
- c->yuv2yuv1(c, lumBuf, chrUBuf, chrVBuf, alpBuf, dest,
+ yuv2yuv1(c, lumBuf, chrUBuf, chrVBuf, alpBuf, dest,
uDest, vDest, aDest, dstW, chrDstW);
} else { //General YV12
- c->yuv2yuvX(c,
+ yuv2yuvX(c,
vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
vChrFilter+chrDstY*vChrFilterSize, chrUSrcPtr,
chrVSrcPtr, vChrFilterSize,
@@ -1768,7 +1811,7 @@ static int swScale(SwsContext *c, const uint8_t* src[],
assert(chrUSrcPtr + vChrFilterSize - 1 < chrUPixBuf + vChrBufSize*2);
if (c->yuv2packed1 && vLumFilterSize == 1 && vChrFilterSize == 2) { //unscaled RGB
int chrAlpha= vChrFilter[2*dstY+1];
- c->yuv2packed1(c, *lumSrcPtr, *chrUSrcPtr, *(chrUSrcPtr+1),
+ yuv2packed1(c, *lumSrcPtr, *chrUSrcPtr, *(chrUSrcPtr+1),
*chrVSrcPtr, *(chrVSrcPtr+1),
alpPixBuf ? *alpSrcPtr : NULL,
dest, dstW, chrAlpha, dstFormat, flags, dstY);
@@ -1779,61 +1822,17 @@ static int swScale(SwsContext *c, const uint8_t* src[],
lumMmxFilter[3]= vLumFilter[2*dstY ]*0x10001;
chrMmxFilter[2]=
chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
- c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrUSrcPtr, *(chrUSrcPtr+1),
+ yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrUSrcPtr, *(chrUSrcPtr+1),
*chrVSrcPtr, *(chrVSrcPtr+1),
alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
dest, dstW, lumAlpha, chrAlpha, dstY);
} else { //general RGB
- c->yuv2packedX(c,
+ yuv2packedX(c,
vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
vChrFilter+dstY*vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
}
}
- } else { // hmm looks like we can't use MMX here without overwriting this array's tail
- const int16_t **lumSrcPtr= (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
- const int16_t **chrUSrcPtr= (const int16_t **)chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
- const int16_t **chrVSrcPtr= (const int16_t **)chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
- const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
- if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
- const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
- if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
- yuv2nv12X_c(c, vLumFilter+dstY*vLumFilterSize,
- lumSrcPtr, vLumFilterSize,
- vChrFilter+chrDstY*vChrFilterSize,
- chrUSrcPtr, chrVSrcPtr, vChrFilterSize, NULL,
- dest, uDest, NULL, NULL, dstW, chrDstW);
- } else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12
- const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
- if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
- if (is16BPS(dstFormat) || is9_OR_10BPS(dstFormat)) {
- yuv2yuvX16_c(c, vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
- vChrFilter+chrDstY*vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
- alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW,
- dstFormat);
- } else {
- yuv2yuvX_c(c, vLumFilter+dstY*vLumFilterSize,
- lumSrcPtr, vLumFilterSize,
- vChrFilter+chrDstY*vChrFilterSize,
- chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
- alpSrcPtr, dest, uDest, vDest, aDest,
- dstW, chrDstW);
- }
- } else {
- assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
- assert(chrUSrcPtr + vChrFilterSize - 1 < chrUPixBuf + vChrBufSize*2);
- if(flags & SWS_FULL_CHR_H_INT) {
- yuv2rgbX_c_full(c,
- vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
- vChrFilter+dstY*vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
- alpSrcPtr, dest, dstW, dstY);
- } else {
- yuv2packedX_c(c,
- vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
- vChrFilter+dstY*vChrFilterSize, chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
- alpSrcPtr, dest, dstW, dstY);
- }
- }
}
}
@@ -1858,30 +1857,11 @@ static int swScale(SwsContext *c, const uint8_t* src[],
static void sws_init_swScale_c(SwsContext *c)
{
- enum PixelFormat srcFormat = c->srcFormat,
- dstFormat = c->dstFormat;
+ enum PixelFormat srcFormat = c->srcFormat;
- if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
- c->yuv2yuvX = yuv2nv12X_c;
- } else if (is16BPS(dstFormat)) {
- c->yuv2yuvX = isBE(dstFormat) ? yuv2yuvX16BE_c : yuv2yuvX16LE_c;
- } else if (is9_OR_10BPS(dstFormat)) {
- if (dstFormat == PIX_FMT_YUV420P9BE || dstFormat == PIX_FMT_YUV420P9LE) {
- c->yuv2yuvX = isBE(dstFormat) ? yuv2yuvX9BE_c : yuv2yuvX9LE_c;
- } else {
- c->yuv2yuvX = isBE(dstFormat) ? yuv2yuvX10BE_c : yuv2yuvX10LE_c;
- }
- } else {
- c->yuv2yuv1 = yuv2yuv1_c;
- c->yuv2yuvX = yuv2yuvX_c;
- }
- if(c->flags & SWS_FULL_CHR_H_INT) {
- c->yuv2packedX = yuv2rgbX_c_full;
- } else {
- c->yuv2packed1 = yuv2packed1_c;
- c->yuv2packed2 = yuv2packed2_c;
- c->yuv2packedX = yuv2packedX_c;
- }
+ find_c_packed_planar_out_funcs(c, &c->yuv2yuv1, &c->yuv2yuvX,
+ &c->yuv2packed1, &c->yuv2packed2,
+ &c->yuv2packedX);
c->hScale = hScale_c;
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