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Support BGR555, BGR565, RGB555 and RGB565 foreign endian output in

Browse Source 
libswscale.

Patch by Alexis Ballier, alexis D ballier A gmail

Originally committed as revision 30840 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
release/0.6
Alexis Ballier 15 years ago committed by Carl Eugen Hoyos
parent c2b40ac229
commit 1379b58482
3 changed files with 28 additions and 10 deletions
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  1. 12
      libswscale/swscale.c
  2. 12
      libswscale/swscale_internal.h
  3. 14
      libswscale/yuv2rgb.c

12
libswscale/swscale.c
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@ -765,8 +765,10 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc
dest+=6;\
}\
break;\
case PIX_FMT_RGB565:\
case PIX_FMT_BGR565:\
case PIX_FMT_RGB565BE:\
case PIX_FMT_RGB565LE:\
case PIX_FMT_BGR565BE:\
case PIX_FMT_BGR565LE:\
{\
const int dr1= dither_2x2_8[y&1 ][0];\
const int dg1= dither_2x2_4[y&1 ][0];\
@ -780,8 +782,10 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc
}\
}\
break;\
case PIX_FMT_RGB555:\
case PIX_FMT_BGR555:\
case PIX_FMT_RGB555BE:\
case PIX_FMT_RGB555LE:\
case PIX_FMT_BGR555BE:\
case PIX_FMT_BGR555LE:\
{\
const int dr1= dither_2x2_8[y&1 ][0];\
const int dg1= dither_2x2_8[y&1 ][1];\

12
libswscale/swscale_internal.h
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@ -391,8 +391,10 @@ const char *sws_format_name(enum PixelFormat format);
|| (x)==PIX_FMT_RGB32 \
|| (x)==PIX_FMT_RGB32_1 \
|| (x)==PIX_FMT_RGB24 \
|| (x)==PIX_FMT_RGB565 \
|| (x)==PIX_FMT_RGB555 \
|| (x)==PIX_FMT_RGB565BE \
|| (x)==PIX_FMT_RGB565LE \
|| (x)==PIX_FMT_RGB555BE \
|| (x)==PIX_FMT_RGB555LE \
|| (x)==PIX_FMT_RGB8 \
|| (x)==PIX_FMT_RGB4 \
|| (x)==PIX_FMT_RGB4_BYTE \
@ -403,8 +405,10 @@ const char *sws_format_name(enum PixelFormat format);
(x)==PIX_FMT_BGR32 \
|| (x)==PIX_FMT_BGR32_1 \
|| (x)==PIX_FMT_BGR24 \
|| (x)==PIX_FMT_BGR565 \
|| (x)==PIX_FMT_BGR555 \
|| (x)==PIX_FMT_BGR565BE \
|| (x)==PIX_FMT_BGR565LE \
|| (x)==PIX_FMT_BGR555BE \
|| (x)==PIX_FMT_BGR555LE \
|| (x)==PIX_FMT_BGR8 \
|| (x)==PIX_FMT_BGR4 \
|| (x)==PIX_FMT_BGR4_BYTE \

14
libswscale/yuv2rgb.c
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@ -33,6 +33,7 @@
#include "swscale.h"
#include "swscale_internal.h"
#include "libavutil/x86_cpu.h"
#include "libavutil/bswap.h"
extern const uint8_t dither_8x8_32[8][8];
extern const uint8_t dither_8x8_73[8][8];
@ -596,12 +597,18 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
const int isRgb = c->dstFormat==PIX_FMT_RGB32
|| c->dstFormat==PIX_FMT_RGB32_1
|| c->dstFormat==PIX_FMT_BGR24
|| c->dstFormat==PIX_FMT_RGB565
|| c->dstFormat==PIX_FMT_RGB555
|| c->dstFormat==PIX_FMT_RGB565BE
|| c->dstFormat==PIX_FMT_RGB565LE
|| c->dstFormat==PIX_FMT_RGB555BE
|| c->dstFormat==PIX_FMT_RGB555LE
|| c->dstFormat==PIX_FMT_RGB8
|| c->dstFormat==PIX_FMT_RGB4
|| c->dstFormat==PIX_FMT_RGB4_BYTE
|| c->dstFormat==PIX_FMT_MONOBLACK;
const int isNotNe = c->dstFormat==PIX_FMT_NE(RGB565LE,RGB565BE)
|| c->dstFormat==PIX_FMT_NE(RGB555LE,RGB555BE)
|| c->dstFormat==PIX_FMT_NE(BGR565LE,BGR565BE)
|| c->dstFormat==PIX_FMT_NE(BGR555LE,BGR555BE);
const int bpp = c->dstFormatBpp;
uint8_t *y_table;
uint16_t *y_table16;
@ -709,6 +716,9 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
y_table16[i+2048] = (yval >> 3) << bbase;
yb += cy;
}
if(isNotNe)
for (i = 0; i < 1024*3; i++)
y_table16[i] = bswap_16(y_table16[i]);
fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);

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