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Extend the generic path of the yuv2rgb converter with support for rgb444

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output format.

Patch by Janusz Krzysztofik, jkrzyszt A tis D icnet D pl

Originally committed as revision 30934 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Janusz Krzysztofik 2010-03-18 23:02:32 +00:00 committed by Carl Eugen Hoyos
parent d343d59837
commit 22e8222fd2
2 changed files with 24 additions and 2 deletions
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19
libswscale/swscale.c
View File

@ -39,7 +39,7 @@
/*
tested special converters (most are tested actually, but I did not write it down ...)
YV12 -> BGR16
YV12 -> BGR12/BGR16
YV12 -> YV12
BGR15 -> BGR16
BGR16 -> BGR16
@ -805,6 +805,23 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc
}\
}\
break;\
case PIX_FMT_RGB444BE:\
case PIX_FMT_RGB444LE:\
case PIX_FMT_BGR444BE:\
case PIX_FMT_BGR444LE:\
{\
const int dr1= dither_4x4_16[y&3 ][0];\
const int dg1= dither_4x4_16[y&3 ][1];\
const int db1= dither_4x4_16[(y&3)^3][0];\
const int dr2= dither_4x4_16[y&3 ][1];\
const int dg2= dither_4x4_16[y&3 ][0];\
const int db2= dither_4x4_16[(y&3)^3][1];\
func(uint16_t,0)\
((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\
((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\
}\
}\
break;\
case PIX_FMT_RGB8:\
case PIX_FMT_BGR8:\
{\

7
libswscale/utils.c
View File

@ -1115,7 +1115,9 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
av_log(c, AV_LOG_INFO, "from %s to %s%s ",
sws_format_name(srcFormat),
#ifdef DITHER1XBPP
dstFormat == PIX_FMT_BGR555 || dstFormat == PIX_FMT_BGR565 ? "dithered " : "",
dstFormat == PIX_FMT_BGR555 || dstFormat == PIX_FMT_BGR565 ||
dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE ||
dstFormat == PIX_FMT_BGR444BE || dstFormat == PIX_FMT_BGR444LE ? "dithered " : "",
#else
"",
#endif
@ -1184,6 +1186,9 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat,
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
else if (dstFormat==PIX_FMT_BGR555)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
else if (dstFormat == PIX_FMT_RGB444BE || dstFormat == PIX_FMT_RGB444LE ||
dstFormat == PIX_FMT_BGR444BE || dstFormat == PIX_FMT_BGR444LE)
av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR12 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C");
av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",