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- /*
- * VIS optimized software YUV to RGB converter
- * Copyright (c) 2007 Denes Balatoni <dbalatoni@programozo.hu>
- *
- * This file is part of FFmpeg.
- *
- * 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.
- *
- * 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
- #include <inttypes.h>
- #include <stdlib.h>
- #include "libavutil/attributes.h"
- #include "libswscale/swscale.h"
- #include "libswscale/swscale_internal.h"
- #define YUV2RGB_INIT \
- "wr %%g0, 0x10, %%gsr \n\t" \
- "ldd [%5], %%f32 \n\t" \
- "ldd [%5 + 8], %%f34 \n\t" \
- "ldd [%5 + 16], %%f36 \n\t" \
- "ldd [%5 + 24], %%f38 \n\t" \
- "ldd [%5 + 32], %%f40 \n\t" \
- "ldd [%5 + 40], %%f42 \n\t" \
- "ldd [%5 + 48], %%f44 \n\t" \
- "ldd [%5 + 56], %%f46 \n\t" \
- "ldd [%5 + 64], %%f48 \n\t" \
- "ldd [%5 + 72], %%f50 \n\t"
- #define YUV2RGB_KERNEL \
- /* ^^^^ f0=Y f3=u f5=v */ \
- "fmul8x16 %%f3, %%f48, %%f6 \n\t" \
- "fmul8x16 %%f19, %%f48, %%f22 \n\t" \
- "fmul8x16 %%f5, %%f44, %%f8 \n\t" \
- "fmul8x16 %%f21, %%f44, %%f24 \n\t" \
- "fmul8x16 %%f0, %%f42, %%f0 \n\t" \
- "fmul8x16 %%f16, %%f42, %%f16 \n\t" \
- "fmul8x16 %%f3, %%f50, %%f2 \n\t" \
- "fmul8x16 %%f19, %%f50, %%f18 \n\t" \
- "fmul8x16 %%f5, %%f46, %%f4 \n\t" \
- "fmul8x16 %%f21, %%f46, %%f20 \n\t" \
- \
- "fpsub16 %%f6, %%f34, %%f6 \n\t" /* 1 */ \
- "fpsub16 %%f22, %%f34, %%f22 \n\t" /* 1 */ \
- "fpsub16 %%f8, %%f38, %%f8 \n\t" /* 3 */ \
- "fpsub16 %%f24, %%f38, %%f24 \n\t" /* 3 */ \
- "fpsub16 %%f0, %%f32, %%f0 \n\t" /* 0 */ \
- "fpsub16 %%f16, %%f32, %%f16 \n\t" /* 0 */ \
- "fpsub16 %%f2, %%f36, %%f2 \n\t" /* 2 */ \
- "fpsub16 %%f18, %%f36, %%f18 \n\t" /* 2 */ \
- "fpsub16 %%f4, %%f40, %%f4 \n\t" /* 4 */ \
- "fpsub16 %%f20, %%f40, %%f20 \n\t" /* 4 */ \
- \
- "fpadd16 %%f0, %%f8, %%f8 \n\t" /* Gt */ \
- "fpadd16 %%f16, %%f24, %%f24 \n\t" /* Gt */ \
- "fpadd16 %%f0, %%f4, %%f4 \n\t" /* R */ \
- "fpadd16 %%f16, %%f20, %%f20 \n\t" /* R */ \
- "fpadd16 %%f0, %%f6, %%f6 \n\t" /* B */ \
- "fpadd16 %%f16, %%f22, %%f22 \n\t" /* B */ \
- "fpadd16 %%f8, %%f2, %%f2 \n\t" /* G */ \
- "fpadd16 %%f24, %%f18, %%f18 \n\t" /* G */ \
- \
- "fpack16 %%f4, %%f4 \n\t" \
- "fpack16 %%f20, %%f20 \n\t" \
- "fpack16 %%f6, %%f6 \n\t" \
- "fpack16 %%f22, %%f22 \n\t" \
- "fpack16 %%f2, %%f2 \n\t" \
- "fpack16 %%f18, %%f18 \n\t"
- // FIXME: must be changed to set alpha to 255 instead of 0
- static int vis_420P_ARGB32(SwsContext *c, uint8_t *src[], int srcStride[],
- int srcSliceY, int srcSliceH,
- uint8_t *dst[], int dstStride[])
- {
- int y, out1, out2, out3, out4, out5, out6;
- for (y = 0; y < srcSliceH; ++y)
- __asm__ volatile (
- YUV2RGB_INIT
- "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */
- "1: \n\t"
- "ldda [%1] %%asi, %%f2 \n\t"
- "ldda [%1 + 2] %%asi, %%f18 \n\t"
- "ldda [%2] %%asi, %%f4 \n\t"
- "ldda [%2 + 2] %%asi, %%f20 \n\t"
- "ld [%0], %%f0 \n\t"
- "ld [%0+4], %%f16 \n\t"
- "fpmerge %%f3, %%f3, %%f2 \n\t"
- "fpmerge %%f19, %%f19, %%f18 \n\t"
- "fpmerge %%f5, %%f5, %%f4 \n\t"
- "fpmerge %%f21, %%f21, %%f20 \n\t"
- YUV2RGB_KERNEL
- "fzero %%f0 \n\t"
- "fpmerge %%f4, %%f6, %%f8 \n\t" // r, b, t1
- "fpmerge %%f20, %%f22, %%f24 \n\t" // r, b, t1
- "fpmerge %%f0, %%f2, %%f10 \n\t" // 0, g, t2
- "fpmerge %%f0, %%f18, %%f26 \n\t" // 0, g, t2
- "fpmerge %%f10, %%f8, %%f4 \n\t" // t2, t1, msb
- "fpmerge %%f26, %%f24, %%f20 \n\t" // t2, t1, msb
- "fpmerge %%f11, %%f9, %%f6 \n\t" // t2, t1, lsb
- "fpmerge %%f27, %%f25, %%f22 \n\t" // t2, t1, lsb
- "std %%f4, [%3] \n\t"
- "std %%f20, [%3 + 16] \n\t"
- "std %%f6, [%3 + 8] \n\t"
- "std %%f22, [%3 + 24] \n\t"
- "add %0, 8, %0 \n\t"
- "add %1, 4, %1 \n\t"
- "add %2, 4, %2 \n\t"
- "subcc %4, 8, %4 \n\t"
- "bne 1b \n\t"
- "add %3, 32, %3 \n\t" // delay slot
- : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6)
- : "0" (src[0] + (y + srcSliceY) * srcStride[0]), "1" (src[1] + ((y + srcSliceY) >> 1) * srcStride[1]),
- "2" (src[2] + ((y + srcSliceY) >> 1) * srcStride[2]), "3" (dst[0] + (y + srcSliceY) * dstStride[0]),
- "4" (c->dstW),
- "5" (c->sparc_coeffs)
- );
- return srcSliceH;
- }
- // FIXME: must be changed to set alpha to 255 instead of 0
- static int vis_422P_ARGB32(SwsContext *c, uint8_t *src[], int srcStride[],
- int srcSliceY, int srcSliceH,
- uint8_t *dst[], int dstStride[])
- {
- int y, out1, out2, out3, out4, out5, out6;
- for (y = 0; y < srcSliceH; ++y)
- __asm__ volatile (
- YUV2RGB_INIT
- "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */
- "1: \n\t"
- "ldda [%1] %%asi, %%f2 \n\t"
- "ldda [%1 + 2] %%asi, %%f18 \n\t"
- "ldda [%2] %%asi, %%f4 \n\t"
- "ldda [%2 + 2] %%asi, %%f20 \n\t"
- "ld [%0], %%f0 \n\t"
- "ld [%0 + 4], %%f16 \n\t"
- "fpmerge %%f3, %%f3, %%f2 \n\t"
- "fpmerge %%f19, %%f19, %%f18 \n\t"
- "fpmerge %%f5, %%f5, %%f4 \n\t"
- "fpmerge %%f21, %%f21, %%f20 \n\t"
- YUV2RGB_KERNEL
- "fzero %%f0 \n\t"
- "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1
- "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1
- "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2
- "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2
- "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb
- "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb
- "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb
- "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb
- "std %%f4, [%3] \n\t"
- "std %%f20, [%3 + 16] \n\t"
- "std %%f6, [%3 + 8] \n\t"
- "std %%f22, [%3 + 24] \n\t"
- "add %0, 8, %0 \n\t"
- "add %1, 4, %1 \n\t"
- "add %2, 4, %2 \n\t"
- "subcc %4, 8, %4 \n\t"
- "bne 1b \n\t"
- "add %3, 32, %3 \n\t" //delay slot
- : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6)
- : "0" (src[0] + (y + srcSliceY) * srcStride[0]), "1" (src[1] + (y + srcSliceY) * srcStride[1]),
- "2" (src[2] + (y + srcSliceY) * srcStride[2]), "3" (dst[0] + (y + srcSliceY) * dstStride[0]),
- "4" (c->dstW),
- "5" (c->sparc_coeffs)
- );
- return srcSliceH;
- }
- av_cold SwsFunc ff_yuv2rgb_init_vis(SwsContext *c)
- {
- c->sparc_coeffs[5] = c->yCoeff;
- c->sparc_coeffs[6] = c->vgCoeff;
- c->sparc_coeffs[7] = c->vrCoeff;
- c->sparc_coeffs[8] = c->ubCoeff;
- c->sparc_coeffs[9] = c->ugCoeff;
- c->sparc_coeffs[0] = (((int16_t)c->yOffset * (int16_t)c->yCoeff >> 11) & 0xffff) * 0x0001000100010001ULL;
- c->sparc_coeffs[1] = (((int16_t)c->uOffset * (int16_t)c->ubCoeff >> 11) & 0xffff) * 0x0001000100010001ULL;
- c->sparc_coeffs[2] = (((int16_t)c->uOffset * (int16_t)c->ugCoeff >> 11) & 0xffff) * 0x0001000100010001ULL;
- c->sparc_coeffs[3] = (((int16_t)c->vOffset * (int16_t)c->vgCoeff >> 11) & 0xffff) * 0x0001000100010001ULL;
- c->sparc_coeffs[4] = (((int16_t)c->vOffset * (int16_t)c->vrCoeff >> 11) & 0xffff) * 0x0001000100010001ULL;
- if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV422P && (c->dstW & 7) == 0) {
- av_log(c, AV_LOG_INFO,
- "SPARC VIS accelerated YUV422P -> RGB32 (WARNING: alpha value is wrong)\n");
- return vis_422P_ARGB32;
- } else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV420P && (c->dstW & 7) == 0) {
- av_log(c, AV_LOG_INFO,
- "SPARC VIS accelerated YUV420P -> RGB32 (WARNING: alpha value is wrong)\n");
- return vis_420P_ARGB32;
- }
- return NULL;
- }
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