/*
* Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#endif
#include "libavutil/avutil.h"
+#include "libavutil/log.h"
+#include "libavutil/pixfmt.h"
#define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long
#define MAX_FILTER_SIZE 256
+#define DITHER1XBPP
+
#if HAVE_BIGENDIAN
#define ALT32_CORR (-1)
#else
enum PixelFormat srcFormat; ///< Source pixel format.
int dstFormatBpp; ///< Number of bits per pixel of the destination pixel format.
int srcFormatBpp; ///< Number of bits per pixel of the source pixel format.
+ int scalingBpp;
int chrSrcHSubSample; ///< Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in source image.
int chrSrcVSubSample; ///< Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in source image.
int chrDstHSubSample; ///< Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in destination image.
#define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
#define UV_OFF "11*8+4*4*256*3+48"
#define UV_OFFx2 "11*8+4*4*256*3+56"
+#define DITHER16 "11*8+4*4*256*3+64"
+#define DITHER32 "11*8+4*4*256*3+80"
DECLARE_ALIGNED(8, uint64_t, redDither);
DECLARE_ALIGNED(8, uint64_t, greenDither);
DECLARE_ALIGNED(8, uint64_t, v_temp);
DECLARE_ALIGNED(8, uint64_t, y_temp);
int32_t alpMmxFilter[4*MAX_FILTER_SIZE];
+ // alignment of these values is not necessary, but merely here
+ // to maintain the same offset across x8632 and x86-64. Once we
+ // use proper offset macros in the asm, they can be removed.
DECLARE_ALIGNED(8, ptrdiff_t, uv_off); ///< offset (in pixels) between u and v planes
DECLARE_ALIGNED(8, ptrdiff_t, uv_offx2); ///< offset (in bytes) between u and v planes
+ DECLARE_ALIGNED(8, uint16_t, dither16)[8];
+ DECLARE_ALIGNED(8, uint32_t, dither32)[8];
+
+ const uint8_t *chrDither8, *lumDither8;
#if HAVE_ALTIVEC
vector signed short CY;
* @param dstW width of destination image
* @param src pointer to source data to be scaled. If scaling depth
* is 8, this is 8bpp in 8bpp (uint8_t) width. If scaling
- * depth is 16, this is 16bpp in 16bpp (uint16_t) depth.
+ * depth is 16, this is native depth in 16bbp (uint16_t)
+ * width. In other words, for 9-bit YUV input, this is
+ * 9bpp, for 10-bit YUV input, this is 10bpp, and for
+ * 16-bit RGB or YUV, this is 16bpp.
* @param filter filter coefficients to be used per output pixel for
* scaling. This contains 14bpp filtering coefficients.
* Guaranteed to contain dstW * filterSize entries.
* (and input coefficients thus padded with zeroes)
* to simplify creating SIMD code.
*/
- void (*hScale)(int16_t *dst, int dstW, const uint8_t *src,
+ void (*hScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src,
const int16_t *filter, const int16_t *filterPos,
int filterSize);
+ void (*hScale16)(int16_t *dst, int dstW, const uint16_t *src, int srcW,
+ int xInc, const int16_t *filter, const int16_t *filterPos,
+ long filterSize, int shift);
+
void (*lumConvertRange)(int16_t *dst, int width); ///< Color range conversion function for luma plane if needed.
void (*chrConvertRange)(int16_t *dst1, int16_t *dst2, int width); ///< Color range conversion function for chroma planes if needed.
+ /**
+ * dst[..] = (src[..] << 8) | src[..];
+ */
+ void (*scale8To16Rv)(uint16_t *dst, const uint8_t *src, int len);
+ /**
+ * dst[..] = src[..] >> 4;
+ */
+ void (*scale19To15Fw)(int16_t *dst, const int32_t *src, int len);
+
int needs_hcscale; ///< Set if there are chroma planes to be converted.
} SwsContext;
SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
void ff_bfin_get_unscaled_swscale(SwsContext *c);
+#if FF_API_SWS_FORMAT_NAME
+/**
+ * @deprecated Use av_get_pix_fmt_name() instead.
+ */
+attribute_deprecated
const char *sws_format_name(enum PixelFormat format);
+#endif
//FIXME replace this with something faster
#define is16BPS(x) ( \
|| (x)==PIX_FMT_YUV422P16BE \
|| (x)==PIX_FMT_YUV444P16BE \
)
-#define is9_OR_10BPS(x) ( \
+#define isNBPS(x) ( \
(x)==PIX_FMT_YUV420P9LE \
|| (x)==PIX_FMT_YUV420P9BE \
|| (x)==PIX_FMT_YUV444P9BE \
|| (x)==PIX_FMT_YUV444P10LE \
|| (x)==PIX_FMT_YUV420P10LE \
|| (x)==PIX_FMT_YUV420P10BE \
+ || (x)==PIX_FMT_YUV422P10LE \
+ || (x)==PIX_FMT_YUV422P10BE \
)
+#define is9_OR_10BPS isNBPS //for ronald
#define isBE(x) ((x)&1)
#define isPlanar8YUV(x) ( \
(x)==PIX_FMT_YUV410P \
|| (x)==PIX_FMT_YUV422P10LE \
|| (x)==PIX_FMT_YUV444P10LE \
|| (x)==PIX_FMT_YUV420P16LE \
+ || (x)==PIX_FMT_YUV422P10LE \
|| (x)==PIX_FMT_YUV422P16LE \
|| (x)==PIX_FMT_YUV444P16LE \
|| (x)==PIX_FMT_YUV420P9BE \
|| (x)==PIX_FMT_YUV422P10BE \
|| (x)==PIX_FMT_YUV444P10BE \
|| (x)==PIX_FMT_YUV420P16BE \
+ || (x)==PIX_FMT_YUV422P10BE \
|| (x)==PIX_FMT_YUV422P16BE \
|| (x)==PIX_FMT_YUV444P16BE \
)
)
#define isGray(x) ( \
(x)==PIX_FMT_GRAY8 \
- || (x)==PIX_FMT_Y400A \
+ || (x)==PIX_FMT_GRAY8A \
|| (x)==PIX_FMT_GRAY16BE \
|| (x)==PIX_FMT_GRAY16LE \
)
|| (x)==PIX_FMT_BGR32_1 \
|| (x)==PIX_FMT_RGB32 \
|| (x)==PIX_FMT_RGB32_1 \
- || (x)==PIX_FMT_Y400A \
+ || (x)==PIX_FMT_PAL8 \
+ || (x)==PIX_FMT_GRAY8A \
|| (x)==PIX_FMT_YUVA420P \
)
#define isPacked(x) ( \
|| (x)==PIX_FMT_Y400A \
|| isAnyRGB(x) \
)
-#define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || (x) == PIX_FMT_Y400A)
+#define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || (x) == PIX_FMT_GRAY8A)
extern const uint64_t ff_dither4[2];
extern const uint64_t ff_dither8[2];
+extern const uint8_t dithers[8][8][8];
+extern const uint16_t dither_scale[15][16];
+
extern const AVClass sws_context_class;
projects / ffmpeg / blobdiff