#include "swscale.h"
#include "swscale_internal.h"
#include "rgb2rgb.h"
+#include "libavutil/intreadwrite.h"
#include "libavutil/x86_cpu.h"
+#include "libavutil/avutil.h"
#include "libavutil/bswap.h"
+#include "libavutil/pixdesc.h"
unsigned swscale_version(void)
{
return LIBSWSCALE_VERSION_INT;
}
+const char *swscale_configuration(void)
+{
+ return FFMPEG_CONFIGURATION;
+}
+
+const char *swscale_license(void)
+{
+#define LICENSE_PREFIX "libswscale license: "
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+}
+
#undef MOVNTQ
#undef PAVGB
|| (x)==PIX_FMT_GRAY8 \
|| (x)==PIX_FMT_YUV410P \
|| (x)==PIX_FMT_YUV440P \
+ || (x)==PIX_FMT_NV12 \
+ || (x)==PIX_FMT_NV21 \
|| (x)==PIX_FMT_GRAY16BE \
|| (x)==PIX_FMT_GRAY16LE \
|| (x)==PIX_FMT_YUV444P \
|| (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 \
+ || (x)==PIX_FMT_YUV420P16LE \
+ || (x)==PIX_FMT_YUV422P16LE \
+ || (x)==PIX_FMT_YUV444P16LE \
+ || (x)==PIX_FMT_YUV420P16BE \
+ || (x)==PIX_FMT_YUV422P16BE \
+ || (x)==PIX_FMT_YUV444P16BE \
)
+
+int sws_isSupportedInput(enum PixelFormat pix_fmt)
+{
+ return isSupportedIn(pix_fmt);
+}
+
#define isSupportedOut(x) ( \
(x)==PIX_FMT_YUV420P \
|| (x)==PIX_FMT_YUVA420P \
|| (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 \
+ || (x)==PIX_FMT_YUV420P16LE \
+ || (x)==PIX_FMT_YUV422P16LE \
+ || (x)==PIX_FMT_YUV444P16LE \
+ || (x)==PIX_FMT_YUV420P16BE \
+ || (x)==PIX_FMT_YUV422P16BE \
+ || (x)==PIX_FMT_YUV444P16BE \
)
+
+int sws_isSupportedOutput(enum PixelFormat pix_fmt)
+{
+ return isSupportedOut(pix_fmt);
+}
+
#define isPacked(x) ( \
(x)==PIX_FMT_PAL8 \
|| (x)==PIX_FMT_YUYV422 \
|| isRGB(x) \
|| isBGR(x) \
)
-#define usePal(x) ( \
- (x)==PIX_FMT_PAL8 \
- || (x)==PIX_FMT_BGR4_BYTE \
- || (x)==PIX_FMT_RGB4_BYTE \
- || (x)==PIX_FMT_BGR8 \
- || (x)==PIX_FMT_RGB8 \
- )
+#define usePal(x) (av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL)
#define RGB2YUV_SHIFT 15
#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5))
#endif /* ARCH_X86 && CONFIG_GPL */
-// clipping helper table for C implementations:
-static unsigned char clip_table[768];
-
static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b);
DECLARE_ALIGNED(8, static const uint8_t, dither_2x2_4[2][8])={
const char *sws_format_name(enum PixelFormat format)
{
- switch (format) {
- case PIX_FMT_YUV420P:
- return "yuv420p";
- case PIX_FMT_YUVA420P:
- return "yuva420p";
- case PIX_FMT_YUYV422:
- return "yuyv422";
- case PIX_FMT_RGB24:
- return "rgb24";
- case PIX_FMT_BGR24:
- return "bgr24";
- case PIX_FMT_YUV422P:
- return "yuv422p";
- case PIX_FMT_YUV444P:
- return "yuv444p";
- case PIX_FMT_RGB32:
- return "rgb32";
- case PIX_FMT_YUV410P:
- return "yuv410p";
- case PIX_FMT_YUV411P:
- return "yuv411p";
- case PIX_FMT_RGB565:
- return "rgb565";
- case PIX_FMT_RGB555:
- return "rgb555";
- case PIX_FMT_GRAY16BE:
- return "gray16be";
- case PIX_FMT_GRAY16LE:
- return "gray16le";
- case PIX_FMT_GRAY8:
- return "gray8";
- case PIX_FMT_MONOWHITE:
- return "mono white";
- case PIX_FMT_MONOBLACK:
- return "mono black";
- case PIX_FMT_PAL8:
- return "Palette";
- case PIX_FMT_YUVJ420P:
- return "yuvj420p";
- case PIX_FMT_YUVJ422P:
- return "yuvj422p";
- case PIX_FMT_YUVJ444P:
- return "yuvj444p";
- case PIX_FMT_XVMC_MPEG2_MC:
- return "xvmc_mpeg2_mc";
- case PIX_FMT_XVMC_MPEG2_IDCT:
- return "xvmc_mpeg2_idct";
- case PIX_FMT_UYVY422:
- return "uyvy422";
- case PIX_FMT_UYYVYY411:
- return "uyyvyy411";
- case PIX_FMT_RGB32_1:
- return "rgb32x";
- case PIX_FMT_BGR32_1:
- return "bgr32x";
- case PIX_FMT_BGR32:
- return "bgr32";
- case PIX_FMT_BGR565:
- return "bgr565";
- case PIX_FMT_BGR555:
- return "bgr555";
- case PIX_FMT_BGR8:
- return "bgr8";
- case PIX_FMT_BGR4:
- return "bgr4";
- case PIX_FMT_BGR4_BYTE:
- return "bgr4 byte";
- case PIX_FMT_RGB8:
- return "rgb8";
- case PIX_FMT_RGB4:
- return "rgb4";
- case PIX_FMT_RGB4_BYTE:
- return "rgb4 byte";
- case PIX_FMT_RGB48BE:
- return "rgb48be";
- case PIX_FMT_RGB48LE:
- return "rgb48le";
- case PIX_FMT_NV12:
- return "nv12";
- case PIX_FMT_NV21:
- return "nv21";
- case PIX_FMT_YUV440P:
- return "yuv440p";
- case PIX_FMT_VDPAU_H264:
- return "vdpau_h264";
- case PIX_FMT_VDPAU_MPEG1:
- return "vdpau_mpeg1";
- case PIX_FMT_VDPAU_MPEG2:
- return "vdpau_mpeg2";
- case PIX_FMT_VDPAU_WMV3:
- 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";
+ if ((unsigned)format < PIX_FMT_NB && av_pix_fmt_descriptors[format].name)
+ return av_pix_fmt_descriptors[format].name;
+ else
+ return "Unknown format";
+}
+
+static av_always_inline void yuv2yuvX16inC_template(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+ const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest,
+ int dstW, int chrDstW, int big_endian)
+{
+ //FIXME Optimize (just quickly written not optimized..)
+ int i;
+
+ for (i = 0; i < dstW; i++) {
+ int val = 1 << 10;
+ int j;
+
+ for (j = 0; j < lumFilterSize; j++)
+ val += lumSrc[j][i] * lumFilter[j];
+
+ if (big_endian) {
+ AV_WB16(&dest[i], av_clip_uint16(val >> 11));
+ } else {
+ AV_WL16(&dest[i], av_clip_uint16(val >> 11));
+ }
+ }
+
+ if (uDest) {
+ for (i = 0; i < chrDstW; i++) {
+ int u = 1 << 10;
+ int v = 1 << 10;
+ int j;
+
+ for (j = 0; j < chrFilterSize; j++) {
+ u += chrSrc[j][i ] * chrFilter[j];
+ v += chrSrc[j][i + VOFW] * chrFilter[j];
+ }
+
+ if (big_endian) {
+ AV_WB16(&uDest[i], av_clip_uint16(u >> 11));
+ AV_WB16(&vDest[i], av_clip_uint16(v >> 11));
+ } else {
+ AV_WL16(&uDest[i], av_clip_uint16(u >> 11));
+ AV_WL16(&vDest[i], av_clip_uint16(v >> 11));
+ }
+ }
+ }
+
+ if (CONFIG_SWSCALE_ALPHA && aDest) {
+ for (i = 0; i < dstW; i++) {
+ int val = 1 << 10;
+ int j;
+
+ for (j = 0; j < lumFilterSize; j++)
+ val += alpSrc[j][i] * lumFilter[j];
+
+ if (big_endian) {
+ AV_WB16(&aDest[i], av_clip_uint16(val >> 11));
+ } else {
+ AV_WL16(&aDest[i], av_clip_uint16(val >> 11));
+ }
+ }
+ }
+}
+
+static inline void yuv2yuvX16inC(const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
+ const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
+ const int16_t **alpSrc, uint16_t *dest, uint16_t *uDest, uint16_t *vDest, uint16_t *aDest, int dstW, int chrDstW,
+ enum PixelFormat dstFormat)
+{
+ if (isBE(dstFormat)) {
+ yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
+ chrFilter, chrSrc, chrFilterSize,
+ alpSrc,
+ dest, uDest, vDest, aDest,
+ dstW, chrDstW, 1);
+ } else {
+ yuv2yuvX16inC_template(lumFilter, lumSrc, lumFilterSize,
+ chrFilter, chrSrc, chrFilterSize,
+ alpSrc,
+ dest, uDest, vDest, aDest,
+ dstW, chrDstW, 0);
}
}
{
//FIXME Optimize (just quickly written not optimized..)
int i;
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int val=1<<18;
int j;
for (j=0; j<lumFilterSize; j++)
}
if (uDest)
- for (i=0; i<chrDstW; i++)
- {
+ for (i=0; i<chrDstW; i++) {
int u=1<<18;
int v=1<<18;
int j;
- for (j=0; j<chrFilterSize; j++)
- {
+ for (j=0; j<chrFilterSize; j++) {
u += chrSrc[j][i] * chrFilter[j];
v += chrSrc[j][i + VOFW] * chrFilter[j];
}
}
if (CONFIG_SWSCALE_ALPHA && aDest)
- for (i=0; i<dstW; i++){
+ for (i=0; i<dstW; i++) {
int val=1<<18;
int j;
for (j=0; j<lumFilterSize; j++)
{
//FIXME Optimize (just quickly written not optimized..)
int i;
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int val=1<<18;
int j;
for (j=0; j<lumFilterSize; j++)
return;
if (dstFormat == PIX_FMT_NV12)
- for (i=0; i<chrDstW; i++)
- {
+ for (i=0; i<chrDstW; i++) {
int u=1<<18;
int v=1<<18;
int j;
- for (j=0; j<chrFilterSize; j++)
- {
+ for (j=0; j<chrFilterSize; j++) {
u += chrSrc[j][i] * chrFilter[j];
v += chrSrc[j][i + VOFW] * chrFilter[j];
}
uDest[2*i+1]= av_clip_uint8(v>>19);
}
else
- for (i=0; i<chrDstW; i++)
- {
+ for (i=0; i<chrDstW; i++) {
int u=1<<18;
int v=1<<18;
int j;
- for (j=0; j<chrFilterSize; j++)
- {
+ for (j=0; j<chrFilterSize; j++) {
u += chrSrc[j][i] * chrFilter[j];
v += chrSrc[j][i + VOFW] * chrFilter[j];
}
}
#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++){\
+ for (i=0; i<(dstW>>1); i++) {\
int j;\
int Y1 = 1<<18;\
int Y2 = 1<<18;\
type av_unused *r, *b, *g;\
const int i2= 2*i;\
\
- for (j=0; j<lumFilterSize; j++)\
- {\
+ for (j=0; j<lumFilterSize; j++) {\
Y1 += lumSrc[j][i2] * lumFilter[j];\
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
}\
- for (j=0; j<chrFilterSize; j++)\
- {\
+ for (j=0; j<chrFilterSize; j++) {\
U += chrSrc[j][i] * chrFilter[j];\
V += chrSrc[j][i+VOFW] * chrFilter[j];\
}\
Y2>>=19;\
U >>=19;\
V >>=19;\
- if (alpha){\
+ if (alpha) {\
A1 = 1<<18;\
A2 = 1<<18;\
- for (j=0; j<lumFilterSize; j++){\
+ for (j=0; j<lumFilterSize; j++) {\
A1 += alpSrc[j][i2 ] * lumFilter[j];\
A2 += alpSrc[j][i2+1] * lumFilter[j];\
}\
#define YSCALE_YUV_2_PACKEDX_C(type,alpha) \
YSCALE_YUV_2_PACKEDX_NOCLIP_C(type,alpha)\
- if ((Y1|Y2|U|V)&256)\
- {\
+ if ((Y1|Y2|U|V)&256) {\
if (Y1>255) Y1=255; \
else if (Y1<0)Y1=0; \
if (Y2>255) Y2=255; \
if (V>255) V=255; \
else if (V<0) V=0; \
}\
- if (alpha && ((A1|A2)&256)){\
+ if (alpha && ((A1|A2)&256)) {\
A1=av_clip_uint8(A1);\
A2=av_clip_uint8(A2);\
}
#define YSCALE_YUV_2_PACKEDX_FULL_C(rnd,alpha) \
- for (i=0; i<dstW; i++){\
+ for (i=0; i<dstW; i++) {\
int j;\
int Y = 0;\
int U = -128<<19;\
int av_unused A;\
int R,G,B;\
\
- for (j=0; j<lumFilterSize; j++){\
+ for (j=0; j<lumFilterSize; j++) {\
Y += lumSrc[j][i ] * lumFilter[j];\
}\
- for (j=0; j<chrFilterSize; j++){\
+ for (j=0; j<chrFilterSize; j++) {\
U += chrSrc[j][i ] * chrFilter[j];\
V += chrSrc[j][i+VOFW] * chrFilter[j];\
}\
Y >>=10;\
U >>=10;\
V >>=10;\
- if (alpha){\
+ if (alpha) {\
A = rnd;\
for (j=0; j<lumFilterSize; j++)\
A += alpSrc[j][i ] * lumFilter[j];\
R= Y + V*c->yuv2rgb_v2r_coeff;\
G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\
B= Y + U*c->yuv2rgb_u2b_coeff;\
- if ((R|G|B)&(0xC0000000)){\
+ if ((R|G|B)&(0xC0000000)) {\
if (R>=(256<<22)) R=(256<<22)-1; \
else if (R<0)R=0; \
if (G>=(256<<22)) G=(256<<22)-1; \
#define YSCALE_YUV_2_GRAY16_C \
- for (i=0; i<(dstW>>1); i++){\
+ for (i=0; i<(dstW>>1); i++) {\
int j;\
int Y1 = 1<<18;\
int Y2 = 1<<18;\
\
const int i2= 2*i;\
\
- for (j=0; j<lumFilterSize; j++)\
- {\
+ for (j=0; j<lumFilterSize; j++) {\
Y1 += lumSrc[j][i2] * lumFilter[j];\
Y2 += lumSrc[j][i2+1] * lumFilter[j];\
}\
Y1>>=11;\
Y2>>=11;\
- if ((Y1|Y2|U|V)&65536)\
- {\
+ if ((Y1|Y2|U|V)&65536) {\
if (Y1>65535) Y1=65535; \
else if (Y1<0)Y1=0; \
if (Y2>65535) Y2=65535; \
b = (type *)c->table_bU[U]; \
#define YSCALE_YUV_2_PACKED2_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++){ \
+ for (i=0; i<(dstW>>1); i++) { \
const int i2= 2*i; \
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \
int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \
type av_unused *r, *b, *g; \
int av_unused A1, A2; \
- if (alpha){\
+ if (alpha) {\
A1= (abuf0[i2 ]*yalpha1+abuf1[i2 ]*yalpha)>>19; \
A2= (abuf0[i2+1]*yalpha1+abuf1[i2+1]*yalpha)>>19; \
}\
#define YSCALE_YUV_2_GRAY16_2_C \
- for (i=0; i<(dstW>>1); i++){ \
+ for (i=0; i<(dstW>>1); i++) { \
const int i2= 2*i; \
int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \
int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \
b = (type *)c->table_bU[U];\
#define YSCALE_YUV_2_PACKED1_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++){\
+ for (i=0; i<(dstW>>1); i++) {\
const int i2= 2*i;\
int Y1= buf0[i2 ]>>7;\
int Y2= buf0[i2+1]>>7;\
int V= (uvbuf1[i+VOFW])>>7;\
type av_unused *r, *b, *g;\
int av_unused A1, A2;\
- if (alpha){\
+ if (alpha) {\
A1= abuf0[i2 ]>>7;\
A2= abuf0[i2+1]>>7;\
}\
#define YSCALE_YUV_2_GRAY16_1_C \
- for (i=0; i<(dstW>>1); i++){\
+ for (i=0; i<(dstW>>1); i++) {\
const int i2= 2*i;\
int Y1= buf0[i2 ]<<1;\
int Y2= buf0[i2+1]<<1;\
b = (type *)c->table_bU[U];\
#define YSCALE_YUV_2_PACKED1B_C(type,alpha) \
- for (i=0; i<(dstW>>1); i++){\
+ for (i=0; i<(dstW>>1); i++) {\
const int i2= 2*i;\
int Y1= buf0[i2 ]>>7;\
int Y2= buf0[i2+1]>>7;\
int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\
type av_unused *r, *b, *g;\
int av_unused A1, A2;\
- if (alpha){\
+ if (alpha) {\
A1= abuf0[i2 ]>>7;\
A2= abuf0[i2+1]>>7;\
}\
#define YSCALE_YUV_2_MONO2_C \
const uint8_t * const d128=dither_8x8_220[y&7];\
uint8_t *g= c->table_gU[128] + c->table_gV[128];\
- for (i=0; i<dstW-7; i+=8){\
+ for (i=0; i<dstW-7; i+=8) {\
int acc;\
acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\
acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\
const uint8_t * const d128=dither_8x8_220[y&7];\
uint8_t *g= c->table_gU[128] + c->table_gV[128];\
int acc=0;\
- for (i=0; i<dstW-1; i+=2){\
+ for (i=0; i<dstW-1; i+=2) {\
int j;\
int Y1=1<<18;\
int Y2=1<<18;\
\
- for (j=0; j<lumFilterSize; j++)\
- {\
+ for (j=0; j<lumFilterSize; j++) {\
Y1 += lumSrc[j][i] * lumFilter[j];\
Y2 += lumSrc[j][i+1] * lumFilter[j];\
}\
Y1>>=19;\
Y2>>=19;\
- if ((Y1|Y2)&256)\
- {\
+ if ((Y1|Y2)&256) {\
if (Y1>255) Y1=255;\
else if (Y1<0)Y1=0;\
if (Y2>255) Y2=255;\
}\
acc+= acc + g[Y1+d128[(i+0)&7]];\
acc+= acc + g[Y2+d128[(i+1)&7]];\
- if ((i&7)==6){\
+ if ((i&7)==6) {\
((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\
dest++;\
}\
#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\
- switch(c->dstFormat)\
- {\
+ switch(c->dstFormat) {\
case PIX_FMT_RGB48BE:\
case PIX_FMT_RGB48LE:\
func(uint8_t,0)\
break;\
case PIX_FMT_RGBA:\
case PIX_FMT_BGRA:\
- if (CONFIG_SMALL){\
+ if (CONFIG_SMALL) {\
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
func(uint32_t,needAlpha)\
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? (A1<<24) : 0);\
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? (A2<<24) : 0);\
}\
- }else{\
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){\
+ } else {\
+ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
func(uint32_t,1)\
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (A1<<24);\
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (A2<<24);\
}\
- }else{\
+ } else {\
func(uint32_t,0)\
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
break;\
case PIX_FMT_ARGB:\
case PIX_FMT_ABGR:\
- if (CONFIG_SMALL){\
+ if (CONFIG_SMALL) {\
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;\
func(uint32_t,needAlpha)\
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + (needAlpha ? A1 : 0);\
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + (needAlpha ? A2 : 0);\
}\
- }else{\
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){\
+ } else {\
+ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {\
func(uint32_t,1)\
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1] + A1;\
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2] + A2;\
}\
- }else{\
+ } else {\
func(uint32_t,0)\
((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\
((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\
int step= fmt_depth(c->dstFormat)/8;
int aidx= 3;
- switch(c->dstFormat){
+ switch(c->dstFormat) {
case PIX_FMT_ARGB:
dest++;
aidx= 0;
case PIX_FMT_RGB24:
aidx--;
case PIX_FMT_RGBA:
- if (CONFIG_SMALL){
+ if (CONFIG_SMALL) {
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
dest[aidx]= needAlpha ? A : 255;
dest[2]= B>>22;
dest+= step;
}
- }else{
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+ } else {
+ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
dest[aidx]= A;
dest[0]= R>>22;
dest[2]= B>>22;
dest+= step;
}
- }else{
+ } else {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
dest[aidx]= 255;
dest[0]= R>>22;
case PIX_FMT_BGR24:
aidx--;
case PIX_FMT_BGRA:
- if (CONFIG_SMALL){
+ if (CONFIG_SMALL) {
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
dest[aidx]= needAlpha ? A : 255;
dest[2]= R>>22;
dest+= step;
}
- }else{
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+ } else {
+ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
dest[aidx]= A;
dest[0]= B>>22;
dest[2]= R>>22;
dest+= step;
}
- }else{
+ } else {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
dest[aidx]= 255;
dest[0]= B>>22;
}
}
-static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val){
+static void fillPlane(uint8_t* plane, int stride, int width, int height, int y, uint8_t val)
+{
int i;
uint8_t *ptr = plane + stride*y;
- for (i=0; i<height; i++){
+ for (i=0; i<height; i++) {
memset(ptr, val, width);
ptr += stride;
}
}
-static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, int width)
+static inline void rgb48ToY(uint8_t *dst, const uint8_t *src, int width,
+ uint32_t *unused)
{
int i;
for (i = 0; i < width; i++) {
}
static inline void rgb48ToUV(uint8_t *dstU, uint8_t *dstV,
- uint8_t *src1, uint8_t *src2, int width)
+ const uint8_t *src1, const uint8_t *src2,
+ int width, uint32_t *unused)
{
int i;
assert(src1==src2);
}
static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV,
- uint8_t *src1, uint8_t *src2, int width)
+ const uint8_t *src1, const uint8_t *src2,
+ int width, uint32_t *unused)
{
int i;
assert(src1==src2);
static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\
{\
int i;\
- for (i=0; i<width; i++)\
- {\
+ for (i=0; i<width; i++) {\
int b= (((const type*)src)[i]>>shb)&maskb;\
int g= (((const type*)src)[i]>>shg)&maskg;\
int r= (((const type*)src)[i]>>shr)&maskr;\
BGR2Y(uint16_t, rgb16ToY, 0, 0, 0, 0xF800, 0x07E0, 0x001F, RY , GY<<5, BY<<11, RGB2YUV_SHIFT+8)
BGR2Y(uint16_t, rgb15ToY, 0, 0, 0, 0x7C00, 0x03E0, 0x001F, RY , GY<<5, BY<<10, RGB2YUV_SHIFT+7)
-static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused){
+static inline void abgrToA(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
+{
int i;
- for (i=0; i<width; i++){
+ for (i=0; i<width; i++) {
dst[i]= src[4*i];
}
}
static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
{\
int i;\
- for (i=0; i<width; i++)\
- {\
+ for (i=0; i<width; i++) {\
int b= (((const type*)src)[i]&maskb)>>shb;\
int g= (((const type*)src)[i]&maskg)>>shg;\
int r= (((const type*)src)[i]&maskr)>>shr;\
static inline void name ## _half(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const uint8_t *dummy, long width, uint32_t *unused)\
{\
int i;\
- for (i=0; i<width; i++)\
- {\
+ for (i=0; i<width; i++) {\
int pix0= ((const type*)src)[2*i+0];\
int pix1= ((const type*)src)[2*i+1];\
int g= (pix0&~(maskr|maskb))+(pix1&~(maskr|maskb));\
static inline void palToY(uint8_t *dst, const uint8_t *src, long width, uint32_t *pal)
{
int i;
- for (i=0; i<width; i++)
- {
+ for (i=0; i<width; i++) {
int d= src[i];
dst[i]= pal[d] & 0xFF;
{
int i;
assert(src1 == src2);
- for (i=0; i<width; i++)
- {
+ for (i=0; i<width; i++) {
int p= pal[src1[i]];
dstU[i]= p>>8;
static inline void monowhite2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
{
int i, j;
- for (i=0; i<width/8; i++){
+ for (i=0; i<width/8; i++) {
int d= ~src[i];
for(j=0; j<8; j++)
dst[8*i+j]= ((d>>(7-j))&1)*255;
static inline void monoblack2Y(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
{
int i, j;
- for (i=0; i<width/8; i++){
+ for (i=0; i<width/8; i++) {
int d= src[i];
for(j=0; j<8; j++)
dst[8*i+j]= ((d>>(7-j))&1)*255;
static double getSplineCoeff(double a, double b, double c, double d, double dist)
{
// printf("%f %f %f %f %f\n", a,b,c,d,dist);
- if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
- else return getSplineCoeff( 0.0,
- b+ 2.0*c + 3.0*d,
- c + 3.0*d,
- -b- 3.0*c - 6.0*d,
- dist-1.0);
+ if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a;
+ else return getSplineCoeff( 0.0,
+ b+ 2.0*c + 3.0*d,
+ c + 3.0*d,
+ -b- 3.0*c - 6.0*d,
+ dist-1.0);
}
static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc,
#endif
// NOTE: the +1 is for the MMX scaler which reads over the end
- *filterPos = av_malloc((dstW+1)*sizeof(int16_t));
+ FF_ALLOC_OR_GOTO(NULL, *filterPos, (dstW+1)*sizeof(int16_t), fail);
- if (FFABS(xInc - 0x10000) <10) // unscaled
- {
+ if (FFABS(xInc - 0x10000) <10) { // unscaled
int i;
filterSize= 1;
- filter= av_mallocz(dstW*sizeof(*filter)*filterSize);
+ FF_ALLOCZ_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
filter[i*filterSize]= fone;
(*filterPos)[i]=i;
}
- }
- else if (flags&SWS_POINT) // lame looking point sampling mode
- {
+ } else if (flags&SWS_POINT) { // lame looking point sampling mode
int i;
int xDstInSrc;
filterSize= 1;
- filter= av_malloc(dstW*sizeof(*filter)*filterSize);
+ FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
xDstInSrc= xInc/2 - 0x8000;
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
(*filterPos)[i]= xx;
filter[i]= fone;
xDstInSrc+= xInc;
}
- }
- else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale
- {
+ } else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) { // bilinear upscale
int i;
int xDstInSrc;
filterSize= 2;
- filter= av_malloc(dstW*sizeof(*filter)*filterSize);
+ FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
xDstInSrc= xInc/2 - 0x8000;
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16;
int j;
(*filterPos)[i]= xx;
- //bilinear upscale / linear interpolate / area averaging
- for (j=0; j<filterSize; j++)
- {
- int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16);
- if (coeff<0) coeff=0;
- filter[i*filterSize + j]= coeff;
- xx++;
- }
+ //bilinear upscale / linear interpolate / area averaging
+ for (j=0; j<filterSize; j++) {
+ int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16);
+ if (coeff<0) coeff=0;
+ filter[i*filterSize + j]= coeff;
+ xx++;
+ }
xDstInSrc+= xInc;
}
- }
- else
- {
+ } else {
int xDstInSrc;
int sizeFactor;
if (filterSize > srcW-2) filterSize=srcW-2;
- filter= av_malloc(dstW*sizeof(*filter)*filterSize);
+ FF_ALLOC_OR_GOTO(NULL, filter, dstW*sizeof(*filter)*filterSize, fail);
xDstInSrc= xInc - 0x10000;
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17);
int j;
(*filterPos)[i]= xx;
- for (j=0; j<filterSize; j++)
- {
+ for (j=0; j<filterSize; j++) {
int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13;
double floatd;
int64_t coeff;
d= d*dstW/srcW;
floatd= d * (1.0/(1<<30));
- if (flags & SWS_BICUBIC)
- {
+ if (flags & SWS_BICUBIC) {
int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24);
int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24);
int64_t dd = ( d*d)>>30;
coeff=0.0;
coeff *= fone>>(30+24);
}
-/* else if (flags & SWS_X)
- {
+/* else if (flags & SWS_X) {
double p= param ? param*0.01 : 0.3;
coeff = d ? sin(d*PI)/(d*PI) : 1.0;
coeff*= pow(2.0, - p*d*d);
}*/
- else if (flags & SWS_X)
- {
+ else if (flags & SWS_X) {
double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
double c;
if (c<0.0) c= -pow(-c, A);
else c= pow( c, A);
coeff= (c*0.5 + 0.5)*fone;
- }
- else if (flags & SWS_AREA)
- {
+ } else if (flags & SWS_AREA) {
int64_t d2= d - (1<<29);
if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16));
else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16));
else coeff=0.0;
coeff *= fone>>(30+16);
- }
- else if (flags & SWS_GAUSS)
- {
+ } else if (flags & SWS_GAUSS) {
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
coeff = (pow(2.0, - p*floatd*floatd))*fone;
- }
- else if (flags & SWS_SINC)
- {
+ } else if (flags & SWS_SINC) {
coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone;
- }
- else if (flags & SWS_LANCZOS)
- {
+ } else if (flags & SWS_LANCZOS) {
double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone;
if (floatd>p) coeff=0;
- }
- else if (flags & SWS_BILINEAR)
- {
+ } else if (flags & SWS_BILINEAR) {
coeff= (1<<30) - d;
if (coeff<0) coeff=0;
coeff *= fone >> 30;
- }
- else if (flags & SWS_SPLINE)
- {
+ } else if (flags & SWS_SPLINE) {
double p=-2.196152422706632;
coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone;
- }
- else {
+ } else {
coeff= 0.0; //GCC warning killer
assert(0);
}
if (srcFilter) filter2Size+= srcFilter->length - 1;
if (dstFilter) filter2Size+= dstFilter->length - 1;
assert(filter2Size>0);
- filter2= av_mallocz(filter2Size*dstW*sizeof(*filter2));
+ FF_ALLOCZ_OR_GOTO(NULL, filter2, filter2Size*dstW*sizeof(*filter2), fail);
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int j, k;
- if(srcFilter){
- for (k=0; k<srcFilter->length; k++){
+ if(srcFilter) {
+ for (k=0; k<srcFilter->length; k++) {
for (j=0; j<filterSize; j++)
filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j];
}
- }else{
+ } else {
for (j=0; j<filterSize; j++)
filter2[i*filter2Size + j]= filter[i*filterSize + j];
}
/* try to reduce the filter-size (step1 find size and shift left) */
// Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
minFilterSize= 0;
- for (i=dstW-1; i>=0; i--)
- {
+ for (i=dstW-1; i>=0; i--) {
int min= filter2Size;
int j;
int64_t cutOff=0.0;
/* get rid off near zero elements on the left by shifting left */
- for (j=0; j<filter2Size; j++)
- {
+ for (j=0; j<filter2Size; j++) {
int k;
cutOff += FFABS(filter2[i*filter2Size]);
cutOff=0;
/* count near zeros on the right */
- for (j=filter2Size-1; j>0; j--)
- {
+ for (j=filter2Size-1; j>0; j--) {
cutOff += FFABS(filter2[i*filter2Size + j]);
if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break;
assert(filterSize > 0);
filter= av_malloc(filterSize*dstW*sizeof(*filter));
if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter)
- goto error;
+ goto fail;
*outFilterSize= filterSize;
if (flags&SWS_PRINT_INFO)
av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize);
/* try to reduce the filter-size (step2 reduce it) */
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int j;
- for (j=0; j<filterSize; j++)
- {
+ for (j=0; j<filterSize; j++) {
if (j>=filter2Size) filter[i*filterSize + j]= 0;
else filter[i*filterSize + j]= filter2[i*filter2Size + j];
if((flags & SWS_BITEXACT) && j>=minFilterSize)
//FIXME try to align filterPos if possible
//fix borders
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int j;
- if ((*filterPos)[i] < 0)
- {
+ if ((*filterPos)[i] < 0) {
// move filter coefficients left to compensate for filterPos
- for (j=1; j<filterSize; j++)
- {
+ for (j=1; j<filterSize; j++) {
int left= FFMAX(j + (*filterPos)[i], 0);
filter[i*filterSize + left] += filter[i*filterSize + j];
filter[i*filterSize + j]=0;
(*filterPos)[i]= 0;
}
- if ((*filterPos)[i] + filterSize > srcW)
- {
+ if ((*filterPos)[i] + filterSize > srcW) {
int shift= (*filterPos)[i] + filterSize - srcW;
// move filter coefficients right to compensate for filterPos
- for (j=filterSize-2; j>=0; j--)
- {
+ for (j=filterSize-2; j>=0; j--) {
int right= FFMIN(j + shift, filterSize-1);
filter[i*filterSize +right] += filter[i*filterSize +j];
filter[i*filterSize +j]=0;
// Note the +1 is for the MMX scaler which reads over the end
/* align at 16 for AltiVec (needed by hScale_altivec_real) */
- *outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t));
+ FF_ALLOCZ_OR_GOTO(NULL, *outFilter, *outFilterSize*(dstW+1)*sizeof(int16_t), fail);
/* normalize & store in outFilter */
- for (i=0; i<dstW; i++)
- {
+ for (i=0; i<dstW; i++) {
int j;
int64_t error=0;
int64_t sum=0;
- for (j=0; j<filterSize; j++)
- {
+ for (j=0; j<filterSize; j++) {
sum+= filter[i*filterSize + j];
}
sum= (sum + one/2)/ one;
- for (j=0; j<*outFilterSize; j++)
- {
+ for (j=0; j<*outFilterSize; j++) {
int64_t v= filter[i*filterSize + j] + error;
int intV= ROUNDED_DIV(v, sum);
(*outFilter)[i*(*outFilterSize) + j]= intV;
}
(*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end
- for (i=0; i<*outFilterSize; i++)
- {
+ for (i=0; i<*outFilterSize; i++) {
int j= dstW*(*outFilterSize);
(*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)];
}
ret=0;
-error:
+fail:
av_free(filter);
av_free(filter2);
return ret;
}
#ifdef COMPILE_MMX2
-static void initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits)
+static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode, int16_t *filter, int32_t *filterPos, int numSplits)
{
uint8_t *fragmentA;
x86_reg imm8OfPShufW1A;
int xpos, i;
// create an optimized horizontal scaling routine
+ /* This scaler is made of runtime-generated MMX2 code using specially
+ * tuned pshufw instructions. For every four output pixels, if four
+ * input pixels are enough for the fast bilinear scaling, then a chunk
+ * of fragmentB is used. If five input pixels are needed, then a chunk
+ * of fragmentA is used.
+ */
//code fragment
xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers
fragmentPos=0;
- for (i=0; i<dstW/numSplits; i++)
- {
+ for (i=0; i<dstW/numSplits; i++) {
int xx=xpos>>16;
- if ((i&3) == 0)
- {
+ if ((i&3) == 0) {
int a=0;
int b=((xpos+xInc)>>16) - xx;
int c=((xpos+xInc*2)>>16) - xx;
int maxShift= 3-(d+inc);
int shift=0;
- filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9;
- filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9;
- filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9;
- filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9;
- filterPos[i/2]= xx;
+ if (filterCode) {
+ filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9;
+ filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9;
+ filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9;
+ filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9;
+ filterPos[i/2]= xx;
- memcpy(filterCode + fragmentPos, fragment, fragmentLength);
+ memcpy(filterCode + fragmentPos, fragment, fragmentLength);
- filterCode[fragmentPos + imm8OfPShufW1]=
- (a+inc) | ((b+inc)<<2) | ((c+inc)<<4) | ((d+inc)<<6);
- filterCode[fragmentPos + imm8OfPShufW2]=
- a | (b<<2) | (c<<4) | (d<<6);
+ filterCode[fragmentPos + imm8OfPShufW1]=
+ (a+inc) | ((b+inc)<<2) | ((c+inc)<<4) | ((d+inc)<<6);
+ filterCode[fragmentPos + imm8OfPShufW2]=
+ a | (b<<2) | (c<<4) | (d<<6);
- if (i+4-inc>=dstW) shift=maxShift; //avoid overread
- else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align
+ if (i+4-inc>=dstW) shift=maxShift; //avoid overread
+ else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align
- if (shift && i>=shift)
- {
- filterCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift;
- filterCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift;
- filterPos[i/2]-=shift;
+ if (shift && i>=shift) {
+ filterCode[fragmentPos + imm8OfPShufW1]+= 0x55*shift;
+ filterCode[fragmentPos + imm8OfPShufW2]+= 0x55*shift;
+ filterPos[i/2]-=shift;
+ }
}
fragmentPos+= fragmentLength;
- filterCode[fragmentPos]= RET;
+ if (filterCode)
+ filterCode[fragmentPos]= RET;
}
xpos+=xInc;
}
- filterPos[((i/2)+1)&(~1)]= xpos>>16; // needed to jump to the next part
-}
-#endif /* COMPILE_MMX2 */
+ if (filterCode)
+ filterPos[((i/2)+1)&(~1)]= xpos>>16; // needed to jump to the next part
-static void globalInit(void){
- // generating tables:
- int i;
- for (i=0; i<768; i++){
- int c= av_clip_uint8(i-256);
- clip_table[i]=c;
- }
+ return fragmentPos + 1;
}
+#endif /* COMPILE_MMX2 */
static SwsFunc getSwsFunc(SwsContext *c)
{
#endif //!CONFIG_RUNTIME_CPUDETECT
}
-static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int PlanarToNV12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
/* Copy Y plane */
if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
memcpy(dst, src[0], srcSliceH*dstStride[0]);
- else
- {
+ else {
int i;
const uint8_t *srcPtr= src[0];
uint8_t *dstPtr= dst;
- for (i=0; i<srcSliceH; i++)
- {
+ for (i=0; i<srcSliceH; i++) {
memcpy(dstPtr, srcPtr, c->srcW);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
return srcSliceH;
}
-static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int PlanarToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
return srcSliceH;
}
-static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int PlanarToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
return srcSliceH;
}
-static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int YUV422PToYuy2Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
return srcSliceH;
}
-static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int YUV422PToUyvyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY;
yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]);
return srcSliceH;
}
-static int YUYV2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int YUYV2YUV420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2;
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2;
return srcSliceH;
}
-static int YUYV2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int YUYV2YUV422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY;
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY;
return srcSliceH;
}
-static int UYVY2YUV420Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int UYVY2YUV420Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY/2;
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY/2;
return srcSliceH;
}
-static int UYVY2YUV422Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride[]){
+static int UYVY2YUV422Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dstParam[], int dstStride[])
+{
uint8_t *ydst=dstParam[0] + dstStride[0]*srcSliceY;
uint8_t *udst=dstParam[1] + dstStride[1]*srcSliceY;
uint8_t *vdst=dstParam[2] + dstStride[2]*srcSliceY;
return srcSliceH;
}
-static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
+static int pal2rgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
+{
const enum PixelFormat srcFormat= c->srcFormat;
const enum PixelFormat dstFormat= c->dstFormat;
void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels,
const uint8_t *palette)=NULL;
int i;
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
- uint8_t *srcPtr= src[0];
+ const uint8_t *srcPtr= src[0];
if (!usePal(srcFormat))
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
sws_format_name(srcFormat), sws_format_name(dstFormat));
- switch(dstFormat){
+ switch(dstFormat) {
case PIX_FMT_RGB32 : conv = palette8topacked32; break;
case PIX_FMT_BGR32 : conv = palette8topacked32; break;
case PIX_FMT_BGR32_1: conv = palette8topacked32; break;
}
/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
-static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
+static int rgb2rgbWrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
+{
const enum PixelFormat srcFormat= c->srcFormat;
const enum PixelFormat dstFormat= c->dstFormat;
const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3;
/* BGR -> BGR */
if ( (isBGR(srcFormat) && isBGR(dstFormat))
- || (isRGB(srcFormat) && isRGB(dstFormat))){
- switch(srcId | (dstId<<4)){
+ || (isRGB(srcFormat) && isRGB(dstFormat))) {
+ switch(srcId | (dstId<<4)) {
case 0x34: conv= rgb16to15; break;
case 0x36: conv= rgb24to15; break;
case 0x38: conv= rgb32to15; break;
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
}
- }else if ( (isBGR(srcFormat) && isRGB(dstFormat))
- || (isRGB(srcFormat) && isBGR(dstFormat))){
- switch(srcId | (dstId<<4)){
+ } else if ( (isBGR(srcFormat) && isRGB(dstFormat))
+ || (isRGB(srcFormat) && isBGR(dstFormat))) {
+ switch(srcId | (dstId<<4)) {
case 0x33: conv= rgb15tobgr15; break;
case 0x34: conv= rgb16tobgr15; break;
case 0x36: conv= rgb24tobgr15; break;
default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
sws_format_name(srcFormat), sws_format_name(dstFormat)); break;
}
- }else{
+ } else {
av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
sws_format_name(srcFormat), sws_format_name(dstFormat));
}
- if(conv)
- {
- uint8_t *srcPtr= src[0];
+ if(conv) {
+ const uint8_t *srcPtr= src[0];
if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
srcPtr += ALT32_CORR;
if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0)
conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]);
- else
- {
+ else {
int i;
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
- for (i=0; i<srcSliceH; i++)
- {
+ for (i=0; i<srcSliceH; i++) {
conv(srcPtr, dstPtr, c->srcW*srcBpp);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
return srcSliceH;
}
-static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
+static int bgr24toyv12Wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
+{
rgb24toyv12(
src[0],
return srcSliceH;
}
-static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
+static int yvu9toyv12Wrapper(SwsContext *c, const const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
+{
int i;
/* copy Y */
if (srcStride[0]==dstStride[0] && srcStride[0] > 0)
memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH);
- else{
- uint8_t *srcPtr= src[0];
+ else {
+ const uint8_t *srcPtr= src[0];
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
- for (i=0; i<srcSliceH; i++)
- {
+ for (i=0; i<srcSliceH; i++) {
memcpy(dstPtr, srcPtr, c->srcW);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
}
}
- if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P){
+ if (c->dstFormat==PIX_FMT_YUV420P || c->dstFormat==PIX_FMT_YUVA420P) {
planar2x(src[1], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
srcSliceH >> 2, srcStride[1], dstStride[1]);
planar2x(src[2], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
srcSliceH >> 2, srcStride[2], dstStride[2]);
- }else{
+ } else {
planar2x(src[1], dst[2] + dstStride[2]*(srcSliceY >> 1), c->chrSrcW,
srcSliceH >> 2, srcStride[1], dstStride[2]);
planar2x(src[2], dst[1] + dstStride[1]*(srcSliceY >> 1), c->chrSrcW,
}
/* unscaled copy like stuff (assumes nearly identical formats) */
-static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
+static int packedCopy(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
if (dstStride[0]==srcStride[0] && srcStride[0] > 0)
memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]);
- else
- {
+ else {
int i;
- uint8_t *srcPtr= src[0];
+ const uint8_t *srcPtr= src[0];
uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY;
int length=0;
&& length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW;
assert(length!=0);
- for (i=0; i<srcSliceH; i++)
- {
+ for (i=0; i<srcSliceH; i++) {
memcpy(dstPtr, srcPtr, length);
srcPtr+= srcStride[0];
dstPtr+= dstStride[0];
return srcSliceH;
}
-static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
+static int planarCopy(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
int plane, i, j;
- for (plane=0; plane<4; plane++)
- {
+ for (plane=0; plane<4; plane++) {
int length= (plane==0 || plane==3) ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample);
int y= (plane==0 || plane==3) ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
int height= (plane==0 || plane==3) ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
- uint8_t *srcPtr= src[plane];
+ const uint8_t *srcPtr= src[plane];
uint8_t *dstPtr= dst[plane] + dstStride[plane]*y;
if (!dst[plane]) continue;
// ignore palette for GRAY8
if (plane == 1 && !dst[2]) continue;
- if (!src[plane] || (plane == 1 && !src[2])){
+ if (!src[plane] || (plane == 1 && !src[2])) {
if(is16BPS(c->dstFormat))
length*=2;
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128);
- }else
- {
- if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)){
+ } else {
+ if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) {
if (!isBE(c->srcFormat)) srcPtr++;
- for (i=0; i<height; i++){
+ for (i=0; i<height; i++) {
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1];
srcPtr+= srcStride[plane];
dstPtr+= dstStride[plane];
}
- }else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)){
- for (i=0; i<height; i++){
- for (j=0; j<length; j++){
+ } else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) {
+ for (i=0; i<height; i++) {
+ for (j=0; j<length; j++) {
dstPtr[ j<<1 ] = srcPtr[j];
dstPtr[(j<<1)+1] = srcPtr[j];
}
srcPtr+= srcStride[plane];
dstPtr+= dstStride[plane];
}
- }else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)
- && isBE(c->srcFormat) != isBE(c->dstFormat)){
+ } else if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat)
+ && isBE(c->srcFormat) != isBE(c->dstFormat)) {
- for (i=0; i<height; i++){
+ for (i=0; i<height; i++) {
for (j=0; j<length; j++)
((uint16_t*)dstPtr)[j] = bswap_16(((uint16_t*)srcPtr)[j]);
srcPtr+= srcStride[plane];
}
} else if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0)
memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]);
- else
- {
+ else {
if(is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
length*=2;
- for (i=0; i<height; i++)
- {
+ for (i=0; i<height; i++) {
memcpy(dstPtr, srcPtr, length);
srcPtr+= srcStride[plane];
dstPtr+= dstStride[plane];
}
-static void getSubSampleFactors(int *h, int *v, int format){
- switch(format){
- case PIX_FMT_UYVY422:
- case PIX_FMT_YUYV422:
- *h=1;
- *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:
- case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented
- case PIX_FMT_NV12:
- case PIX_FMT_NV21:
- *h=1;
- *v=1;
- break;
- case PIX_FMT_YUV440P:
- *h=0;
- *v=1;
- break;
- case PIX_FMT_YUV410P:
- *h=2;
- *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;
- case PIX_FMT_YUV411P:
- *h=2;
- *v=0;
- break;
- default:
- *h=0;
- *v=0;
- break;
- }
+static void getSubSampleFactors(int *h, int *v, enum PixelFormat format)
+{
+ *h = av_pix_fmt_descriptors[format].log2_chroma_w;
+ *v = av_pix_fmt_descriptors[format].log2_chroma_h;
}
-static uint16_t roundToInt16(int64_t f){
+static uint16_t roundToInt16(int64_t f)
+{
int r= (f + (1<<15))>>16;
if (r<-0x7FFF) return 0x8000;
else if (r> 0x7FFF) return 0x7FFF;
else return r;
}
-int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){
+int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation)
+{
int64_t crv = inv_table[0];
int64_t cbu = inv_table[1];
int64_t cgu = -inv_table[2];
c->uOffset= 0x0400040004000400LL;
c->vOffset= 0x0400040004000400LL;
- if (!srcRange){
+ if (!srcRange) {
cy= (cy*255) / 219;
oy= 16<<16;
- }else{
+ } else {
crv= (crv*224) / 255;
cbu= (cbu*224) / 255;
cgu= (cgu*224) / 255;
return 0;
}
-int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){
+int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation)
+{
if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1;
*inv_table = c->srcColorspaceTable;
static int handle_jpeg(enum PixelFormat *format)
{
switch (*format) {
- case PIX_FMT_YUVJ420P:
- *format = PIX_FMT_YUV420P;
- return 1;
- case PIX_FMT_YUVJ422P:
- *format = PIX_FMT_YUV422P;
- return 1;
- case PIX_FMT_YUVJ444P:
- *format = PIX_FMT_YUV444P;
- return 1;
- case PIX_FMT_YUVJ440P:
- *format = PIX_FMT_YUV440P;
- return 1;
- default:
- return 0;
+ case PIX_FMT_YUVJ420P:
+ *format = PIX_FMT_YUV420P;
+ return 1;
+ case PIX_FMT_YUVJ422P:
+ *format = PIX_FMT_YUV422P;
+ return 1;
+ case PIX_FMT_YUVJ444P:
+ *format = PIX_FMT_YUV444P;
+ return 1;
+ case PIX_FMT_YUVJ440P:
+ *format = PIX_FMT_YUV440P;
+ return 1;
+ default:
+ return 0;
}
}
flags |= SWS_CPU_CAPS_BFIN;
#endif
#endif /* CONFIG_RUNTIME_CPUDETECT */
- if (clip_table[512] != 255) globalInit();
if (!rgb15to16) sws_rgb2rgb_init(flags);
unscaled = (srcW == dstW && srcH == dstH);
srcRange = handle_jpeg(&srcFormat);
dstRange = handle_jpeg(&dstFormat);
- if (!isSupportedIn(srcFormat))
- {
+ if (!isSupportedIn(srcFormat)) {
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat));
return NULL;
}
- if (!isSupportedOut(dstFormat))
- {
+ if (!isSupportedOut(dstFormat)) {
av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat));
return NULL;
}
|SWS_SINC
|SWS_SPLINE
|SWS_BICUBLIN);
- if(!i || (i & (i-1)))
- {
+ if(!i || (i & (i-1))) {
av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be chosen\n");
return NULL;
}
/* sanity check */
- if (srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
- {
+ if (srcW<4 || srcH<1 || dstW<8 || dstH<1) { //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code
av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n",
srcW, srcH, dstW, dstH);
return NULL;
}
- if(srcW > VOFW || dstW > VOFW){
+ if(srcW > VOFW || dstW > VOFW) {
av_log(NULL, AV_LOG_ERROR, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n");
return NULL;
}
if (!dstFilter) dstFilter= &dummyFilter;
if (!srcFilter) srcFilter= &dummyFilter;
- c= av_mallocz(sizeof(SwsContext));
+ FF_ALLOCZ_OR_GOTO(NULL, c, sizeof(SwsContext), fail);
c->av_class = &sws_context_class;
c->srcW= srcW;
&& ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT))))
c->chrSrcHSubSample=1;
- if (param){
+ if (param) {
c->param[0] = param[0];
c->param[1] = param[1];
- }else{
+ } else {
c->param[0] =
c->param[1] = SWS_PARAM_DEFAULT;
}
sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], srcRange, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16);
/* unscaled special cases */
- if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat)))
- {
+ if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat))) {
/* yv12_to_nv12 */
- if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21))
- {
+ if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) {
c->swScale= PlanarToNV12Wrapper;
}
/* yuv2bgr */
if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && (isBGR(dstFormat) || isRGB(dstFormat))
- && !(flags & SWS_ACCURATE_RND) && !(dstH&1))
- {
+ && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) {
c->swScale= ff_yuv2rgb_get_func_ptr(c);
}
- if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT))
- {
+ if (srcFormat==PIX_FMT_YUV410P && (dstFormat==PIX_FMT_YUV420P || dstFormat==PIX_FMT_YUVA420P) && !(flags & SWS_BITEXACT)) {
c->swScale= yvu9toyv12Wrapper;
}
dstFormat == PIX_FMT_BGR24)))
c->swScale= pal2rgbWrapper;
- if (srcFormat == PIX_FMT_YUV422P)
- {
+ if (srcFormat == PIX_FMT_YUV422P) {
if (dstFormat == PIX_FMT_YUYV422)
c->swScale= YUV422PToYuy2Wrapper;
else if (dstFormat == PIX_FMT_UYVY422)
}
/* LQ converters if -sws 0 or -sws 4*/
- if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){
+ if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
/* yv12_to_yuy2 */
- if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P)
- {
+ if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) {
if (dstFormat == PIX_FMT_YUYV422)
c->swScale= PlanarToYuy2Wrapper;
else if (dstFormat == PIX_FMT_UYVY422)
ff_bfin_get_unscaled_swscale (c);
#endif
- if (c->swScale){
+ if (c->swScale) {
if (flags&SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n",
- sws_format_name(srcFormat), sws_format_name(dstFormat));
+ sws_format_name(srcFormat), sws_format_name(dstFormat));
return c;
}
}
- if (flags & SWS_CPU_CAPS_MMX2)
- {
+ if (flags & SWS_CPU_CAPS_MMX2) {
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
- if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR))
- {
+ if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {
if (flags&SWS_PRINT_INFO)
av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n");
}
// this is not perfect, but no one should notice the difference, the more correct variant
// would be like the vertical one, but that would require some special code for the
// first and last pixel
- if (flags&SWS_FAST_BILINEAR)
- {
- if (c->canMMX2BeUsed)
- {
+ if (flags&SWS_FAST_BILINEAR) {
+ if (c->canMMX2BeUsed) {
c->lumXInc+= 20;
c->chrXInc+= 20;
}
//we don't use the x86 asm scaler if MMX is available
- else if (flags & SWS_CPU_CAPS_MMX)
- {
+ else if (flags & SWS_CPU_CAPS_MMX) {
c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20;
c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20;
}
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
1;
- initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
- srcW , dstW, filterAlign, 1<<14,
- (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
- srcFilter->lumH, dstFilter->lumH, c->param);
- initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
- c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
- (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
- srcFilter->chrH, dstFilter->chrH, c->param);
+ if (initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc,
+ srcW , dstW, filterAlign, 1<<14,
+ (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
+ srcFilter->lumH, dstFilter->lumH, c->param) < 0)
+ goto fail;
+ if (initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
+ c->chrSrcW, c->chrDstW, filterAlign, 1<<14,
+ (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
+ srcFilter->chrH, dstFilter->chrH, c->param) < 0)
+ goto fail;
-#define MAX_MMX2_FILTER_CODE_SIZE 10000
#if defined(COMPILE_MMX2)
// can't downscale !!!
- if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR))
- {
+ if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) {
+ c->lumMmx2FilterCodeSize = initMMX2HScaler( dstW, c->lumXInc, NULL, NULL, NULL, 8);
+ c->chrMmx2FilterCodeSize = initMMX2HScaler(c->chrDstW, c->chrXInc, NULL, NULL, NULL, 4);
+
#ifdef MAP_ANONYMOUS
- c->lumMmx2FilterCode = mmap(NULL, MAX_MMX2_FILTER_CODE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
- c->chrMmx2FilterCode = mmap(NULL, MAX_MMX2_FILTER_CODE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+ c->lumMmx2FilterCode = mmap(NULL, c->lumMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+ c->chrMmx2FilterCode = mmap(NULL, c->chrMmx2FilterCodeSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
#elif HAVE_VIRTUALALLOC
- c->lumMmx2FilterCode = VirtualAlloc(NULL, MAX_MMX2_FILTER_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
- c->chrMmx2FilterCode = VirtualAlloc(NULL, MAX_MMX2_FILTER_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+ c->lumMmx2FilterCode = VirtualAlloc(NULL, c->lumMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
+ c->chrMmx2FilterCode = VirtualAlloc(NULL, c->chrMmx2FilterCodeSize, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
#else
- c->lumMmx2FilterCode = av_malloc(MAX_MMX2_FILTER_CODE_SIZE);
- c->chrMmx2FilterCode = av_malloc(MAX_MMX2_FILTER_CODE_SIZE);
+ c->lumMmx2FilterCode = av_malloc(c->lumMmx2FilterCodeSize);
+ c->chrMmx2FilterCode = av_malloc(c->chrMmx2FilterCodeSize);
#endif
- c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t));
- c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t));
- c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t));
- c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t));
+ FF_ALLOCZ_OR_GOTO(c, c->lumMmx2Filter , (dstW /8+8)*sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(c, c->chrMmx2Filter , (c->chrDstW /4+8)*sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(c, c->lumMmx2FilterPos, (dstW /2/8+8)*sizeof(int32_t), fail);
+ FF_ALLOCZ_OR_GOTO(c, c->chrMmx2FilterPos, (c->chrDstW/2/4+8)*sizeof(int32_t), fail);
initMMX2HScaler( dstW, c->lumXInc, c->lumMmx2FilterCode, c->lumMmx2Filter, c->lumMmx2FilterPos, 8);
initMMX2HScaler(c->chrDstW, c->chrXInc, c->chrMmx2FilterCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4);
#ifdef MAP_ANONYMOUS
- mprotect(c->lumMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE, PROT_EXEC | PROT_READ);
- mprotect(c->chrMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE, PROT_EXEC | PROT_READ);
+ mprotect(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
+ mprotect(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, PROT_EXEC | PROT_READ);
#endif
}
#endif /* defined(COMPILE_MMX2) */
(flags & SWS_CPU_CAPS_ALTIVEC) ? 8 :
1;
- initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
- srcH , dstH, filterAlign, (1<<12),
- (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
- srcFilter->lumV, dstFilter->lumV, c->param);
- initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
- c->chrSrcH, c->chrDstH, filterAlign, (1<<12),
- (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
- srcFilter->chrV, dstFilter->chrV, c->param);
+ if (initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc,
+ srcH , dstH, filterAlign, (1<<12),
+ (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags,
+ srcFilter->lumV, dstFilter->lumV, c->param) < 0)
+ goto fail;
+ if (initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
+ c->chrSrcH, c->chrDstH, filterAlign, (1<<12),
+ (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags,
+ srcFilter->chrV, dstFilter->chrV, c->param) < 0)
+ goto fail;
#ifdef COMPILE_ALTIVEC
- c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH);
- c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH);
+ FF_ALLOC_OR_GOTO(c, c->vYCoeffsBank, sizeof (vector signed short)*c->vLumFilterSize*c->dstH, fail);
+ FF_ALLOC_OR_GOTO(c, c->vCCoeffsBank, sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH, fail);
for (i=0;i<c->vLumFilterSize*c->dstH;i++) {
int j;
// calculate buffer sizes so that they won't run out while handling these damn slices
c->vLumBufSize= c->vLumFilterSize;
c->vChrBufSize= c->vChrFilterSize;
- for (i=0; i<dstH; i++)
- {
+ for (i=0; i<dstH; i++) {
int chrI= i*c->chrDstH / dstH;
int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1,
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
}
// allocate pixbufs (we use dynamic allocation because otherwise we would need to
- c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*));
- c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*));
+ // allocate several megabytes to handle all possible cases)
+ FF_ALLOC_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail);
+ FF_ALLOC_OR_GOTO(c, c->chrPixBuf, c->vChrBufSize*2*sizeof(int16_t*), fail);
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat))
- c->alpPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*));
+ FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize*2*sizeof(int16_t*), fail);
//Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000)
/* align at 16 bytes for AltiVec */
- for (i=0; i<c->vLumBufSize; i++)
- c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1);
- for (i=0; i<c->vChrBufSize; i++)
- c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc((VOF+1)*2);
+ for (i=0; i<c->vLumBufSize; i++) {
+ FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i+c->vLumBufSize], VOF+1, fail);
+ c->lumPixBuf[i] = c->lumPixBuf[i+c->vLumBufSize];
+ }
+ for (i=0; i<c->vChrBufSize; i++) {
+ FF_ALLOC_OR_GOTO(c, c->chrPixBuf[i+c->vChrBufSize], (VOF+1)*2, fail);
+ c->chrPixBuf[i] = c->chrPixBuf[i+c->vChrBufSize];
+ }
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
- for (i=0; i<c->vLumBufSize; i++)
- c->alpPixBuf[i]= c->alpPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1);
+ for (i=0; i<c->vLumBufSize; i++) {
+ FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i+c->vLumBufSize], VOF+1, fail);
+ c->alpPixBuf[i] = c->alpPixBuf[i+c->vLumBufSize];
+ }
//try to avoid drawing green stuff between the right end and the stride end
for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, (VOF+1)*2);
assert(c->chrDstH <= dstH);
- if (flags&SWS_PRINT_INFO)
- {
+ if (flags&SWS_PRINT_INFO) {
#ifdef DITHER1XBPP
const char *dither= " dithered";
#else
else if (flags&SWS_POINT)
av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, ");
else if (flags&SWS_AREA)
- av_log(c, AV_LOG_INFO, "Area Averageing scaler, ");
+ av_log(c, AV_LOG_INFO, "Area Averaging scaler, ");
else if (flags&SWS_BICUBLIN)
av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, ");
else if (flags&SWS_GAUSS)
av_log(c, AV_LOG_INFO, "using C\n");
}
- if (flags & SWS_PRINT_INFO)
- {
- if (flags & SWS_CPU_CAPS_MMX)
- {
+ if (flags & SWS_PRINT_INFO) {
+ if (flags & SWS_CPU_CAPS_MMX) {
if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR))
av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n");
- else
- {
+ else {
if (c->hLumFilterSize==4)
av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n");
else if (c->hLumFilterSize==8)
else
av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n");
}
- }
- else
- {
+ } else {
#if ARCH_X86
av_log(c, AV_LOG_VERBOSE, "using x86 asm scaler for horizontal scaling\n");
#else
av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n");
#endif
}
- if (isPlanarYUV(dstFormat))
- {
+ if (isPlanarYUV(dstFormat)) {
if (c->vLumFilterSize==1)
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
else
av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
- }
- else
- {
+ } else {
if (c->vLumFilterSize==1 && c->vChrFilterSize==2)
av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n"
" 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
}
- if (flags & SWS_PRINT_INFO)
- {
+ if (flags & SWS_PRINT_INFO) {
av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
c->swScale= getSwsFunc(c);
return c;
+
+fail:
+ sws_freeContext(c);
+ return NULL;
}
-static void reset_ptr(uint8_t* src[], int format){
+static void reset_ptr(const uint8_t* src[], int format)
+{
if(!isALPHA(format))
src[3]=NULL;
- if(!isPlanarYUV(format)){
+ if(!isPlanarYUV(format)) {
src[3]=src[2]=NULL;
if( format != PIX_FMT_PAL8
&& format != PIX_FMT_RGB8
* swscale wrapper, so we don't need to export the SwsContext.
* Assumes planar YUV to be in YUV order instead of YVU.
*/
-int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
+int sws_scale(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
+{
int i;
- uint8_t* src2[4]= {src[0], src[1], src[2], src[3]};
+ const uint8_t* src2[4]= {src[0], src[1], src[2], src[3]};
uint8_t* dst2[4]= {dst[0], dst[1], dst[2], dst[3]};
+ // do not mess up sliceDir if we have a "trailing" 0-size slice
+ if (srcSliceH == 0)
+ return 0;
+
if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) {
av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n");
return 0;
if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1;
}
- if (usePal(c->srcFormat)){
- for (i=0; i<256; i++){
+ if (usePal(c->srcFormat)) {
+ for (i=0; i<256; i++) {
int p, r, g, b,y,u,v;
- if(c->srcFormat == PIX_FMT_PAL8){
+ if(c->srcFormat == PIX_FMT_PAL8) {
p=((uint32_t*)(src[1]))[i];
r= (p>>16)&0xFF;
g= (p>> 8)&0xFF;
b= p &0xFF;
- }else if(c->srcFormat == PIX_FMT_RGB8){
+ } else if(c->srcFormat == PIX_FMT_RGB8) {
r= (i>>5 )*36;
g= ((i>>2)&7)*36;
b= (i&3 )*85;
- }else if(c->srcFormat == PIX_FMT_BGR8){
+ } else if(c->srcFormat == PIX_FMT_BGR8) {
b= (i>>6 )*85;
g= ((i>>3)&7)*36;
r= (i&7 )*36;
- }else if(c->srcFormat == PIX_FMT_RGB4_BYTE){
+ } else if(c->srcFormat == PIX_FMT_RGB4_BYTE) {
r= (i>>3 )*255;
g= ((i>>1)&3)*85;
b= (i&1 )*255;
- }else {
+ } else {
assert(c->srcFormat == PIX_FMT_BGR4_BYTE);
b= (i>>3 )*255;
g= ((i>>1)&3)*85;
int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2], dstStride[3]};
reset_ptr(src2, c->srcFormat);
- reset_ptr(dst2, c->dstFormat);
+ reset_ptr((const uint8_t**)dst2, c->dstFormat);
+
+ /* reset slice direction at end of frame */
+ if (srcSliceY + srcSliceH == c->srcH)
+ c->sliceDir = 0;
return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst2, dstStride2);
} else {
dst2[3] += ( c->dstH -1)*dstStride[3];
reset_ptr(src2, c->srcFormat);
- reset_ptr(dst2, c->dstFormat);
+ reset_ptr((const uint8_t**)dst2, c->dstFormat);
+
+ /* reset slice direction at end of frame */
+ if (!srcSliceY)
+ c->sliceDir = 0;
return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2);
}
}
#if LIBSWSCALE_VERSION_MAJOR < 1
-int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dst[], int dstStride[]){
+int sws_scale_ordered(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
+ int srcSliceH, uint8_t* dst[], int dstStride[])
+{
return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride);
}
#endif
int verbose)
{
SwsFilter *filter= av_malloc(sizeof(SwsFilter));
+ if (!filter)
+ return NULL;
- if (lumaGBlur!=0.0){
+ if (lumaGBlur!=0.0) {
filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0);
filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0);
- }else{
+ } else {
filter->lumH= sws_getIdentityVec();
filter->lumV= sws_getIdentityVec();
}
- if (chromaGBlur!=0.0){
+ if (chromaGBlur!=0.0) {
filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0);
filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0);
- }else{
+ } else {
filter->chrH= sws_getIdentityVec();
filter->chrV= sws_getIdentityVec();
}
- if (chromaSharpen!=0.0){
+ if (chromaSharpen!=0.0) {
SwsVector *id= sws_getIdentityVec();
sws_scaleVec(filter->chrH, -chromaSharpen);
sws_scaleVec(filter->chrV, -chromaSharpen);
sws_freeVec(id);
}
- if (lumaSharpen!=0.0){
+ if (lumaSharpen!=0.0) {
SwsVector *id= sws_getIdentityVec();
sws_scaleVec(filter->lumH, -lumaSharpen);
sws_scaleVec(filter->lumV, -lumaSharpen);
return filter;
}
-SwsVector *sws_getGaussianVec(double variance, double quality){
+SwsVector *sws_allocVec(int length)
+{
+ SwsVector *vec = av_malloc(sizeof(SwsVector));
+ if (!vec)
+ return NULL;
+ vec->length = length;
+ vec->coeff = av_malloc(sizeof(double) * length);
+ if (!vec->coeff)
+ av_freep(&vec);
+ return vec;
+}
+
+SwsVector *sws_getGaussianVec(double variance, double quality)
+{
const int length= (int)(variance*quality + 0.5) | 1;
int i;
- double *coeff= av_malloc(length*sizeof(double));
double middle= (length-1)*0.5;
- SwsVector *vec= av_malloc(sizeof(SwsVector));
+ SwsVector *vec= sws_allocVec(length);
- vec->coeff= coeff;
- vec->length= length;
+ if (!vec)
+ return NULL;
- for (i=0; i<length; i++)
- {
+ for (i=0; i<length; i++) {
double dist= i-middle;
- coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI);
+ vec->coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI);
}
sws_normalizeVec(vec, 1.0);
return vec;
}
-SwsVector *sws_getConstVec(double c, int length){
+SwsVector *sws_getConstVec(double c, int length)
+{
int i;
- double *coeff= av_malloc(length*sizeof(double));
- SwsVector *vec= av_malloc(sizeof(SwsVector));
+ SwsVector *vec= sws_allocVec(length);
- vec->coeff= coeff;
- vec->length= length;
+ if (!vec)
+ return NULL;
for (i=0; i<length; i++)
- coeff[i]= c;
+ vec->coeff[i]= c;
return vec;
}
-SwsVector *sws_getIdentityVec(void){
+SwsVector *sws_getIdentityVec(void)
+{
return sws_getConstVec(1.0, 1);
}
-double sws_dcVec(SwsVector *a){
+double sws_dcVec(SwsVector *a)
+{
int i;
double sum=0;
return sum;
}
-void sws_scaleVec(SwsVector *a, double scalar){
+void sws_scaleVec(SwsVector *a, double scalar)
+{
int i;
for (i=0; i<a->length; i++)
a->coeff[i]*= scalar;
}
-void sws_normalizeVec(SwsVector *a, double height){
+void sws_normalizeVec(SwsVector *a, double height)
+{
sws_scaleVec(a, height/sws_dcVec(a));
}
-static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){
+static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b)
+{
int length= a->length + b->length - 1;
- double *coeff= av_malloc(length*sizeof(double));
int i, j;
- SwsVector *vec= av_malloc(sizeof(SwsVector));
-
- vec->coeff= coeff;
- vec->length= length;
+ SwsVector *vec= sws_getConstVec(0.0, length);
- for (i=0; i<length; i++) coeff[i]= 0.0;
+ if (!vec)
+ return NULL;
- for (i=0; i<a->length; i++)
- {
- for (j=0; j<b->length; j++)
- {
- coeff[i+j]+= a->coeff[i]*b->coeff[j];
+ for (i=0; i<a->length; i++) {
+ for (j=0; j<b->length; j++) {
+ vec->coeff[i+j]+= a->coeff[i]*b->coeff[j];
}
}
return vec;
}
-static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){
+static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b)
+{
int length= FFMAX(a->length, b->length);
- double *coeff= av_malloc(length*sizeof(double));
int i;
- SwsVector *vec= av_malloc(sizeof(SwsVector));
-
- vec->coeff= coeff;
- vec->length= length;
+ SwsVector *vec= sws_getConstVec(0.0, length);
- for (i=0; i<length; i++) coeff[i]= 0.0;
+ if (!vec)
+ return NULL;
- for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
- for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i];
+ for (i=0; i<a->length; i++) vec->coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
+ for (i=0; i<b->length; i++) vec->coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i];
return vec;
}
-static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){
+static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b)
+{
int length= FFMAX(a->length, b->length);
- double *coeff= av_malloc(length*sizeof(double));
int i;
- SwsVector *vec= av_malloc(sizeof(SwsVector));
+ SwsVector *vec= sws_getConstVec(0.0, length);
- vec->coeff= coeff;
- vec->length= length;
-
- for (i=0; i<length; i++) coeff[i]= 0.0;
+ if (!vec)
+ return NULL;
- for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
- for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i];
+ for (i=0; i<a->length; i++) vec->coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i];
+ for (i=0; i<b->length; i++) vec->coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i];
return vec;
}
/* shift left / or right if "shift" is negative */
-static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){
+static SwsVector *sws_getShiftedVec(SwsVector *a, int shift)
+{
int length= a->length + FFABS(shift)*2;
- double *coeff= av_malloc(length*sizeof(double));
int i;
- SwsVector *vec= av_malloc(sizeof(SwsVector));
-
- vec->coeff= coeff;
- vec->length= length;
+ SwsVector *vec= sws_getConstVec(0.0, length);
- for (i=0; i<length; i++) coeff[i]= 0.0;
+ if (!vec)
+ return NULL;
- for (i=0; i<a->length; i++)
- {
- coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i];
+ for (i=0; i<a->length; i++) {
+ vec->coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i];
}
return vec;
}
-void sws_shiftVec(SwsVector *a, int shift){
+void sws_shiftVec(SwsVector *a, int shift)
+{
SwsVector *shifted= sws_getShiftedVec(a, shift);
av_free(a->coeff);
a->coeff= shifted->coeff;
av_free(shifted);
}
-void sws_addVec(SwsVector *a, SwsVector *b){
+void sws_addVec(SwsVector *a, SwsVector *b)
+{
SwsVector *sum= sws_sumVec(a, b);
av_free(a->coeff);
a->coeff= sum->coeff;
av_free(sum);
}
-void sws_subVec(SwsVector *a, SwsVector *b){
+void sws_subVec(SwsVector *a, SwsVector *b)
+{
SwsVector *diff= sws_diffVec(a, b);
av_free(a->coeff);
a->coeff= diff->coeff;
av_free(diff);
}
-void sws_convVec(SwsVector *a, SwsVector *b){
+void sws_convVec(SwsVector *a, SwsVector *b)
+{
SwsVector *conv= sws_getConvVec(a, b);
av_free(a->coeff);
a->coeff= conv->coeff;
av_free(conv);
}
-SwsVector *sws_cloneVec(SwsVector *a){
- double *coeff= av_malloc(a->length*sizeof(double));
+SwsVector *sws_cloneVec(SwsVector *a)
+{
int i;
- SwsVector *vec= av_malloc(sizeof(SwsVector));
+ SwsVector *vec= sws_allocVec(a->length);
- vec->coeff= coeff;
- vec->length= a->length;
+ if (!vec)
+ return NULL;
- for (i=0; i<a->length; i++) coeff[i]= a->coeff[i];
+ for (i=0; i<a->length; i++) vec->coeff[i]= a->coeff[i];
return vec;
}
-void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){
+void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level)
+{
int i;
double max=0;
double min=0;
range= max - min;
- for (i=0; i<a->length; i++)
- {
+ for (i=0; i<a->length; i++) {
int x= (int)((a->coeff[i]-min)*60.0/range +0.5);
av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]);
for (;x>0; x--) av_log(log_ctx, log_level, " ");
}
#if LIBSWSCALE_VERSION_MAJOR < 1
-void sws_printVec(SwsVector *a){
+void sws_printVec(SwsVector *a)
+{
sws_printVec2(a, NULL, AV_LOG_DEBUG);
}
#endif
-void sws_freeVec(SwsVector *a){
+void sws_freeVec(SwsVector *a)
+{
if (!a) return;
av_freep(&a->coeff);
a->length=0;
av_free(a);
}
-void sws_freeFilter(SwsFilter *filter){
+void sws_freeFilter(SwsFilter *filter)
+{
if (!filter) return;
if (filter->lumH) sws_freeVec(filter->lumH);
}
-void sws_freeContext(SwsContext *c){
+void sws_freeContext(SwsContext *c)
+{
int i;
if (!c) return;
- if (c->lumPixBuf)
- {
+ if (c->lumPixBuf) {
for (i=0; i<c->vLumBufSize; i++)
av_freep(&c->lumPixBuf[i]);
av_freep(&c->lumPixBuf);
}
- if (c->chrPixBuf)
- {
+ if (c->chrPixBuf) {
for (i=0; i<c->vChrBufSize; i++)
av_freep(&c->chrPixBuf[i]);
av_freep(&c->chrPixBuf);
}
- if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
+ if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
for (i=0; i<c->vLumBufSize; i++)
av_freep(&c->alpPixBuf[i]);
av_freep(&c->alpPixBuf);
#if ARCH_X86 && CONFIG_GPL
#ifdef MAP_ANONYMOUS
- if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE);
- if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE);
+ if (c->lumMmx2FilterCode) munmap(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize);
+ if (c->chrMmx2FilterCode) munmap(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize);
#elif HAVE_VIRTUALALLOC
- if (c->lumMmx2FilterCode) VirtualFree(c->lumMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE, MEM_RELEASE);
- if (c->chrMmx2FilterCode) VirtualFree(c->chrMmx2FilterCode, MAX_MMX2_FILTER_CODE_SIZE, MEM_RELEASE);
+ if (c->lumMmx2FilterCode) VirtualFree(c->lumMmx2FilterCode, c->lumMmx2FilterCodeSize, MEM_RELEASE);
+ if (c->chrMmx2FilterCode) VirtualFree(c->chrMmx2FilterCode, c->chrMmx2FilterCodeSize, MEM_RELEASE);
#else
av_free(c->lumMmx2FilterCode);
av_free(c->chrMmx2FilterCode);
projects / ffmpeg / blobdiff