mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
3.3 KiB
93 lines
3.3 KiB
/* |
|
* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com> |
|
* |
|
* Blackfin software video scaler operations |
|
* |
|
* 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 <stdio.h> |
|
#include <stdlib.h> |
|
#include <string.h> |
|
#include <inttypes.h> |
|
#include <assert.h> |
|
#include "config.h" |
|
#include <unistd.h> |
|
#include "rgb2rgb.h" |
|
#include "swscale.h" |
|
#include "swscale_internal.h" |
|
|
|
#ifdef __FDPIC__ |
|
#define L1CODE __attribute__ ((l1_text)) |
|
#else |
|
#define L1CODE |
|
#endif |
|
|
|
int ff_bfin_uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, |
|
long width, long height, |
|
long lumStride, long chromStride, long srcStride) L1CODE; |
|
|
|
int ff_bfin_yuyvtoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, |
|
long width, long height, |
|
long lumStride, long chromStride, long srcStride) L1CODE; |
|
|
|
static int uyvytoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]) |
|
{ |
|
uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; |
|
uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; |
|
uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; |
|
uint8_t *ip = src[0] + srcStride[0]*srcSliceY; |
|
int w = dstStride[0]; |
|
|
|
ff_bfin_uyvytoyv12(ip, dsty, dstu, dstv, w, srcSliceH, |
|
dstStride[0], dstStride[1], srcStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
static int yuyvtoyv12_unscaled(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, |
|
int srcSliceH, uint8_t* dst[], int dstStride[]) |
|
{ |
|
uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY; |
|
uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2; |
|
uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2; |
|
uint8_t *ip = src[0] + srcStride[0]*srcSliceY; |
|
int w = dstStride[0]; |
|
|
|
ff_bfin_yuyvtoyv12(ip, dsty, dstu, dstv, w, srcSliceH, |
|
dstStride[0], dstStride[1], srcStride[0]); |
|
|
|
return srcSliceH; |
|
} |
|
|
|
|
|
void ff_bfin_get_unscaled_swscale(SwsContext *c) |
|
{ |
|
SwsFunc swScale = c->swScale; |
|
if (c->flags & SWS_CPU_CAPS_BFIN) |
|
if (c->dstFormat == PIX_FMT_YUV420P) |
|
if (c->srcFormat == PIX_FMT_UYVY422) { |
|
av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n"); |
|
c->swScale = uyvytoyv12_unscaled; |
|
} |
|
if (c->dstFormat == PIX_FMT_YUV420P) |
|
if (c->srcFormat == PIX_FMT_YUYV422) { |
|
av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n"); |
|
c->swScale = yuyvtoyv12_unscaled; |
|
} |
|
}
|
|
|