mirror of https://github.com/mpv-player/mpv
Vertical yuv -> yuv16 scaler.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29517 b3059339-0415-0410-9bf9-f77b7e298cf2
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15fb97be65
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@ -74,6 +74,7 @@ untested special converters
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#include "swscale.h"
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#include "swscale_internal.h"
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#include "rgb2rgb.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/x86_cpu.h"
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#include "libavutil/bswap.h"
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@ -474,6 +475,86 @@ const char *sws_format_name(enum PixelFormat format)
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}
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}
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static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
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const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest,
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int dstW, int chrDstW, int big_endian)
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{
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//FIXME Optimize (just quickly written not optimized..)
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int i;
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for (i = 0; i < dstW; i++) {
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int val = 1 << 10;
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int j;
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for (j = 0; j < lumFilterSize; j++)
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val += lumSrc[j][i] * lumFilter[j];
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if (big_endian) {
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AV_WB16(&dest[i], av_clip_uint16(val >> 11));
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} else {
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AV_WL16(&dest[i], av_clip_uint16(val >> 11));
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}
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}
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if (uDest) {
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for (i = 0; i < chrDstW; i++) {
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int u = 1 << 10;
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int v = 1 << 10;
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int j;
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for (j = 0; j < chrFilterSize; j++) {
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u += chrSrc[j][i ] * chrFilter[j];
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v += chrSrc[j][i + VOFW] * chrFilter[j];
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}
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if (big_endian) {
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AV_WB16(&uDest[i], av_clip_uint16(u >> 11));
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AV_WB16(&vDest[i], av_clip_uint16(v >> 11));
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} else {
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AV_WL16(&uDest[i], av_clip_uint16(u >> 11));
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AV_WL16(&vDest[i], av_clip_uint16(v >> 11));
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}
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}
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}
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if (CONFIG_SWSCALE_ALPHA && aDest) {
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for (i = 0; i < dstW; i++) {
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int val = 1 << 10;
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int j;
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for (j = 0; j < lumFilterSize; j++)
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val += alpSrc[j][i] * lumFilter[j];
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if (big_endian) {
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AV_WB16(&aDest[i], av_clip_uint16(val >> 11));
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} else {
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AV_WL16(&aDest[i], av_clip_uint16(val >> 11));
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}
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}
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}
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}
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static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
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const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW,
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enum PixelFormat dstFormat)
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{
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if (isBE(dstFormat)) {
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yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
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chrFilter, chrSrc, chrFilterSize,
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alpSrc,
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dest, uDest, vDest, aDest,
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dstW, chrDstW, 1);
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} else {
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yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
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chrFilter, chrSrc, chrFilterSize,
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alpSrc,
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dest, uDest, vDest, aDest,
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dstW, chrDstW, 0);
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}
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}
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static inline void yuv2yuvXinC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
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const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
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const int16_t **alpSrc, uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, int dstW, int chrDstW)
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@ -2813,6 +2813,15 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
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{
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const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
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if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
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if (is16BPS(dstFormat))
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{
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yuv2yuvX16inC(
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vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
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vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
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alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
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dstFormat);
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}
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else
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if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12
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{
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int16_t *lumBuf = lumPixBuf[0];
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@ -2898,10 +2907,21 @@ static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int s
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{
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const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
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if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
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if (is16BPS(dstFormat))
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{
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yuv2yuvX16inC(
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vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
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vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
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alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
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dstFormat);
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}
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else
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{
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yuv2yuvXinC(
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vLumFilter+dstY*vLumFilterSize , lumSrcPtr, vLumFilterSize,
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vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
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alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
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}
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}
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else
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{
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