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d77294c5e4
* qatar/master: libx264: fix indentation. vorbis: fix overflows in floor1[] vector and inverse db table index. win64: add a XMM clobber test configure option. movdec: Parse the dvc1 atom ARM: ac3: fix ac3_bit_alloc_calc_bap_armv6 swscale: K&R formatting cosmetics for Blackfin code frwu: lowercase the FRWU codec name movdec: fix dts generation in fragmented files fate: make acodec-ac3_fixed test output raw AC3 APIchanges: add missing commit hashes swscale: implement MMX, SSE2 and AVX functions for RGB32 input. ra144enc: drop pointless "encoder" from .long_name bethsoftvideo: fix palette reading. mpc7: use av_fast_padded_malloc() mpc7: simplify handling of packet sizes that are not a multiple of 4 bytes doc: decoding Forward Uncompressed is supported Fix a typo in the x86 asm version of ff_vector_clip_int32() pcmenc: Do not set avpkt->size. ff_alloc_packet: modify the size of the packet to match the requested size Conflicts: doc/APIchanges libavcodec/libx264.c libavcodec/mpc7.c libavformat/isom.h libswscale/Makefile libswscale/bfin/yuv2rgb_bfin.c tests/ref/fate/bethsoft-vid tests/ref/seek/ac3_ac3 Merged-by: Michael Niedermayer <michaelni@gmx.at>
94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/*
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* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
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*
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* Blackfin software video scaler operations
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <assert.h>
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#include "config.h"
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#include <unistd.h>
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#include "libswscale/rgb2rgb.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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#if defined (__FDPIC__) && CONFIG_SRAM
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#define L1CODE __attribute__((l1_text))
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#else
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#define L1CODE
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#endif
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int ff_bfin_uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
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uint8_t *vdst, int width, int height,
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int lumStride, int chromStride, int srcStride) L1CODE;
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int ff_bfin_yuyvtoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst,
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uint8_t *vdst, int width, int height,
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int lumStride, int chromStride, int srcStride) L1CODE;
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static int uyvytoyv12_unscaled(SwsContext *c, uint8_t *src[], int srcStride[],
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int srcSliceY, int srcSliceH, uint8_t *dst[],
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int dstStride[])
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{
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uint8_t *dsty = dst[0] + dstStride[0] * srcSliceY;
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uint8_t *dstu = dst[1] + dstStride[1] * srcSliceY / 2;
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uint8_t *dstv = dst[2] + dstStride[2] * srcSliceY / 2;
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uint8_t *ip = src[0] + srcStride[0] * srcSliceY;
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int w = dstStride[0];
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ff_bfin_uyvytoyv12(ip, dsty, dstu, dstv, w, srcSliceH,
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dstStride[0], dstStride[1], srcStride[0]);
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return srcSliceH;
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}
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static int yuyvtoyv12_unscaled(SwsContext *c, uint8_t *src[], int srcStride[],
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int srcSliceY, int srcSliceH, uint8_t *dst[],
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int dstStride[])
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{
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uint8_t *dsty = dst[0] + dstStride[0] * srcSliceY;
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uint8_t *dstu = dst[1] + dstStride[1] * srcSliceY / 2;
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uint8_t *dstv = dst[2] + dstStride[2] * srcSliceY / 2;
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uint8_t *ip = src[0] + srcStride[0] * srcSliceY;
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int w = dstStride[0];
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ff_bfin_yuyvtoyv12(ip, dsty, dstu, dstv, w, srcSliceH,
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dstStride[0], dstStride[1], srcStride[0]);
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return srcSliceH;
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}
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void ff_bfin_get_unscaled_swscale(SwsContext *c)
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{
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if (c->dstFormat == PIX_FMT_YUV420P && c->srcFormat == PIX_FMT_UYVY422) {
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av_log(NULL, AV_LOG_VERBOSE,
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"selecting Blackfin optimized uyvytoyv12_unscaled\n");
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c->swScale = uyvytoyv12_unscaled;
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}
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if (c->dstFormat == PIX_FMT_YUV420P && c->srcFormat == PIX_FMT_YUYV422) {
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av_log(NULL, AV_LOG_VERBOSE,
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"selecting Blackfin optimized yuyvtoyv12_unscaled\n");
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c->swScale = yuyvtoyv12_unscaled;
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}
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}
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