diff options
Diffstat (limited to 'libswscale/yuv2rgb.c')
| -rw-r--r-- | libswscale/yuv2rgb.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c index 24dc960..84e3a17 100644 --- a/libswscale/yuv2rgb.c +++ b/libswscale/yuv2rgb.c @@ -6,20 +6,20 @@ * 1,4,8bpp support and context / deglobalize stuff * by 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 */ @@ -34,6 +34,7 @@ #include "swscale_internal.h" #include "libavutil/cpu.h" #include "libavutil/bswap.h" +#include "libavutil/pixdesc.h" extern const uint8_t dither_4x4_16[4][8]; extern const uint8_t dither_8x8_32[8][8]; @@ -61,9 +62,9 @@ const int *sws_getCoefficients(int colorspace) #define LOADCHROMA(i) \ U = pu[i]; \ V = pv[i]; \ - r = (void *)c->table_rV[V]; \ - g = (void *)(c->table_gU[U] + c->table_gV[V]); \ - b = (void *)c->table_bU[U]; + r = (void *)c->table_rV[V+YUVRGB_TABLE_HEADROOM]; \ + g = (void *)(c->table_gU[U+YUVRGB_TABLE_HEADROOM] + c->table_gV[V+YUVRGB_TABLE_HEADROOM]); \ + b = (void *)c->table_bU[U+YUVRGB_TABLE_HEADROOM]; #define PUTRGB(dst,src,i) \ Y = src[2*i]; \ @@ -478,7 +479,7 @@ CLOSEYUV2RGBFUNC(8) YUV2RGBFUNC(yuv2rgb_c_1_ordered_dither, uint8_t, 0) const uint8_t *d128 = dither_8x8_220[y&7]; char out_1 = 0, out_2 = 0; - g= c->table_gU[128] + c->table_gV[128]; + g= c->table_gU[128 + YUVRGB_TABLE_HEADROOM] + c->table_gV[128 + YUVRGB_TABLE_HEADROOM]; #define PUTRGB1(out,src,i,o) \ Y = src[2*i]; \ @@ -519,7 +520,8 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c) if (t) return t; - av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found from %s to %s.\n", sws_format_name(c->srcFormat), sws_format_name(c->dstFormat)); + av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found from %s to %s.\n", + av_get_pix_fmt_name(c->srcFormat), av_get_pix_fmt_name(c->dstFormat)); switch (c->dstFormat) { case PIX_FMT_BGR48BE: @@ -527,9 +529,9 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c) case PIX_FMT_RGB48BE: case PIX_FMT_RGB48LE: return yuv2rgb_c_48; case PIX_FMT_ARGB: - case PIX_FMT_ABGR: if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) return yuva2argb_c; + case PIX_FMT_ABGR: if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) return yuva2argb_c; case PIX_FMT_RGBA: - case PIX_FMT_BGRA: return (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) ? yuva2rgba_c : yuv2rgb_c_32; + case PIX_FMT_BGRA: return (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat)) ? yuva2rgba_c : yuv2rgb_c_32; case PIX_FMT_RGB24: return yuv2rgb_c_24_rgb; case PIX_FMT_BGR24: return yuv2rgb_c_24_bgr; case PIX_FMT_RGB565: @@ -551,29 +553,27 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c) return NULL; } -static void fill_table(uint8_t* table[256], const int elemsize, const int inc, void *y_tab) +static void fill_table(uint8_t* table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int inc, void *y_tab) { int i; - int64_t cb = 0; uint8_t *y_table = y_tab; y_table -= elemsize * (inc >> 9); - for (i = 0; i < 256; i++) { + for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { + int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc; table[i] = y_table + elemsize * (cb >> 16); - cb += inc; } } -static void fill_gv_table(int table[256], const int elemsize, const int inc) +static void fill_gv_table(int table[256 + 2*YUVRGB_TABLE_HEADROOM], const int elemsize, const int inc) { int i; - int64_t cb = 0; int off = -(inc >> 9); - for (i = 0; i < 256; i++) { + for (i = 0; i < 256 + 2*YUVRGB_TABLE_HEADROOM; i++) { + int64_t cb = av_clip(i-YUVRGB_TABLE_HEADROOM, 0, 255)*inc; table[i] = elemsize * (off + (cb >> 16)); - cb += inc; } } @@ -611,7 +611,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int uint8_t *y_table; uint16_t *y_table16; uint32_t *y_table32; - int i, base, rbase, gbase, bbase, abase, needAlpha; + int i, base, rbase, gbase, bbase, av_uninit(abase), needAlpha; const int yoffs = fullRange ? 384 : 326; int64_t crv = inv_table[0]; |
