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Remove alpha channel from RGB555 

Originally committed as revision 7106 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Alex Beregszaszi 2006-11-16 20:46:36 +00:00
parent 08d23410ea
commit 20d46c038a
2 changed files with 6 additions and 18 deletions
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18
libavcodec/imgconvert.c
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@ -185,7 +185,7 @@ static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
},
[PIX_FMT_RGB555] = {
.name = "rgb555",
.nb_channels = 4, .is_alpha = 1,
.nb_channels = 3,
.color_type = FF_COLOR_RGB,
.pixel_type = FF_PIXEL_PACKED,
.depth = 5,
@ -1629,19 +1629,10 @@ static inline unsigned int bitcopy_n(unsigned int a, int n)
b = bitcopy_n(v << 3, 3);\
}
#define RGBA_IN(r, g, b, a, s)\
{\
unsigned int v = ((const uint16_t *)(s))[0];\
r = bitcopy_n(v >> (10 - 3), 3);\
g = bitcopy_n(v >> (5 - 3), 3);\
b = bitcopy_n(v << 3, 3);\
a = (-(v >> 15)) & 0xff;\
}
#define RGBA_OUT(d, r, g, b, a)\
#define RGB_OUT(d, r, g, b)\
{\
((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3) | \
((a << 8) & 0x8000);\
((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);\
}
#define BPP 2
@ -2596,9 +2587,6 @@ int img_get_alpha_info(const AVPicture *src,
case PIX_FMT_RGBA32:
ret = get_alpha_info_rgba32(src, width, height);
break;
case PIX_FMT_RGB555:
ret = get_alpha_info_rgb555(src, width, height);
break;
case PIX_FMT_PAL8:
ret = get_alpha_info_pal8(src, width, height);
break;

6
libavutil/avutil.h
View File

@ -34,8 +34,8 @@ extern "C" {
#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
#define LIBAVUTIL_VERSION_INT ((49<<16)+(0<<8)+2)
#define LIBAVUTIL_VERSION 49.0.2
#define LIBAVUTIL_VERSION_INT ((49<<16)+(1<<8)+0)
#define LIBAVUTIL_VERSION 49.1.0
#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
@ -78,7 +78,7 @@ enum PixelFormat {
PIX_FMT_YUV410P, ///< Planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
PIX_FMT_YUV411P, ///< Planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
PIX_FMT_RGB565, ///< Packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), in cpu endianness
PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in cpu endianness most significant bit to 1
PIX_FMT_RGB555, ///< Packed RGB 5:5:5, 16bpp, (msb)1A 5R 5G 5B(lsb), in cpu endianness most significant bit to 0
PIX_FMT_GRAY8, ///< Y , 8bpp
PIX_FMT_MONOWHITE, ///< Y , 1bpp, 1 is white
PIX_FMT_MONOBLACK, ///< Y , 1bpp, 0 is black