diff options
Diffstat (limited to 'libswscale/bfin/yuv2rgb_bfin.c')
| -rw-r--r-- | libswscale/bfin/yuv2rgb_bfin.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/libswscale/bfin/yuv2rgb_bfin.c b/libswscale/bfin/yuv2rgb_bfin.c deleted file mode 100644 index 295dc286e4..0000000000 --- a/libswscale/bfin/yuv2rgb_bfin.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> - * - * Blackfin video color space converter operations - * convert I420 YV12 to RGB in various formats - * - * This file is part of Libav. - * - * Libav 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, - * 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 - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdint.h> - -#include "config.h" -#include "libavutil/attributes.h" -#include "libavutil/bfin/attributes.h" -#include "libswscale/swscale_internal.h" - -void ff_bfin_yuv2rgb555_line(const uint8_t *Y, const uint8_t *U, - const uint8_t *V, uint8_t *out, - int w, uint32_t *coeffs) attribute_l1_text; - -void ff_bfin_yuv2rgb565_line(const uint8_t *Y, const uint8_t *U, - const uint8_t *V, uint8_t *out, - int w, uint32_t *coeffs) attribute_l1_text; - -void ff_bfin_yuv2rgb24_line(const uint8_t *Y, const uint8_t *U, - const uint8_t *V, uint8_t *out, - int w, uint32_t *coeffs) attribute_l1_text; - -typedef void (*ltransform)(const uint8_t *Y, const uint8_t *U, const uint8_t *V, - uint8_t *out, int w, uint32_t *coeffs); - -static void bfin_prepare_coefficients(SwsContext *c, int rgb, int masks) -{ - int oy; - oy = c->yOffset & 0xffff; - oy = oy >> 3; // keep everything U8.0 for offset calculation - - c->oc = 128 * 0x01010101U; - c->oy = oy * 0x01010101U; - - /* copy 64bit vector coeffs down to 32bit vector coeffs */ - c->cy = c->yCoeff; - c->zero = 0; - - if (rgb) { - c->crv = c->vrCoeff; - c->cbu = c->ubCoeff; - c->cgu = c->ugCoeff; - c->cgv = c->vgCoeff; - } else { - c->crv = c->ubCoeff; - c->cbu = c->vrCoeff; - c->cgu = c->vgCoeff; - c->cgv = c->ugCoeff; - } - - if (masks == 555) { - c->rmask = 0x001f * 0x00010001U; - c->gmask = 0x03e0 * 0x00010001U; - c->bmask = 0x7c00 * 0x00010001U; - } else if (masks == 565) { - c->rmask = 0x001f * 0x00010001U; - c->gmask = 0x07e0 * 0x00010001U; - c->bmask = 0xf800 * 0x00010001U; - } -} - -static int core_yuv420_rgb(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, uint8_t **oplanes, - int *outstrides, ltransform lcscf, - int rgb, int masks) -{ - const uint8_t *py, *pu, *pv; - uint8_t *op; - int w = instrides[0]; - int h2 = srcSliceH >> 1; - int i; - - bfin_prepare_coefficients(c, rgb, masks); - - py = in[0]; - pu = in[1 + (1 ^ rgb)]; - pv = in[1 + (0 ^ rgb)]; - - op = oplanes[0] + srcSliceY * outstrides[0]; - - for (i = 0; i < h2; i++) { - lcscf(py, pu, pv, op, w, &c->oy); - - py += instrides[0]; - op += outstrides[0]; - - lcscf(py, pu, pv, op, w, &c->oy); - - py += instrides[0]; - pu += instrides[1]; - pv += instrides[2]; - op += outstrides[0]; - } - - return srcSliceH; -} - -static int bfin_yuv420_rgb555(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, - uint8_t **oplanes, int *outstrides) -{ - return core_yuv420_rgb(c, in, instrides, srcSliceY, srcSliceH, oplanes, - outstrides, ff_bfin_yuv2rgb555_line, 1, 555); -} - -static int bfin_yuv420_bgr555(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, - uint8_t **oplanes, int *outstrides) -{ - return core_yuv420_rgb(c, in, instrides, srcSliceY, srcSliceH, oplanes, - outstrides, ff_bfin_yuv2rgb555_line, 0, 555); -} - -static int bfin_yuv420_rgb24(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, - uint8_t **oplanes, int *outstrides) -{ - return core_yuv420_rgb(c, in, instrides, srcSliceY, srcSliceH, oplanes, - outstrides, ff_bfin_yuv2rgb24_line, 1, 888); -} - -static int bfin_yuv420_bgr24(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, - uint8_t **oplanes, int *outstrides) -{ - return core_yuv420_rgb(c, in, instrides, srcSliceY, srcSliceH, oplanes, - outstrides, ff_bfin_yuv2rgb24_line, 0, 888); -} - -static int bfin_yuv420_rgb565(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, - uint8_t **oplanes, int *outstrides) -{ - return core_yuv420_rgb(c, in, instrides, srcSliceY, srcSliceH, oplanes, - outstrides, ff_bfin_yuv2rgb565_line, 1, 565); -} - -static int bfin_yuv420_bgr565(SwsContext *c, const uint8_t **in, int *instrides, - int srcSliceY, int srcSliceH, - uint8_t **oplanes, int *outstrides) -{ - return core_yuv420_rgb(c, in, instrides, srcSliceY, srcSliceH, oplanes, - outstrides, ff_bfin_yuv2rgb565_line, 0, 565); -} - -av_cold SwsFunc ff_yuv2rgb_init_bfin(SwsContext *c) -{ - SwsFunc f; - - switch (c->dstFormat) { - case AV_PIX_FMT_RGB555: - f = bfin_yuv420_rgb555; - break; - case AV_PIX_FMT_BGR555: - f = bfin_yuv420_bgr555; - break; - case AV_PIX_FMT_RGB565: - f = bfin_yuv420_rgb565; - break; - case AV_PIX_FMT_BGR565: - f = bfin_yuv420_bgr565; - break; - case AV_PIX_FMT_RGB24: - f = bfin_yuv420_rgb24; - break; - case AV_PIX_FMT_BGR24: - f = bfin_yuv420_bgr24; - break; - default: - return 0; - } - - av_log(c, AV_LOG_INFO, "BlackFin accelerated color space converter %s\n", - sws_format_name(c->dstFormat)); - - return f; -} |