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FFmpeg/libswscale/bfin/yuv2rgb_bfin.c
Michael Niedermayer ac627b3d38 Merge commit '716d413c13981da15323c7a3821860536eefdbbb'
* commit '716d413c13981da15323c7a3821860536eefdbbb':
  Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat

Conflicts:
	doc/examples/muxing.c
	ffmpeg.h
	ffmpeg_filter.c
	ffmpeg_opt.c
	ffplay.c
	ffprobe.c
	libavcodec/8bps.c
	libavcodec/aasc.c
	libavcodec/aura.c
	libavcodec/avcodec.h
	libavcodec/avs.c
	libavcodec/bfi.c
	libavcodec/bmp.c
	libavcodec/bmpenc.c
	libavcodec/c93.c
	libavcodec/cscd.c
	libavcodec/cyuv.c
	libavcodec/dpx.c
	libavcodec/dpxenc.c
	libavcodec/eatgv.c
	libavcodec/escape124.c
	libavcodec/ffv1.c
	libavcodec/flashsv.c
	libavcodec/fraps.c
	libavcodec/h264.c
	libavcodec/huffyuv.c
	libavcodec/iff.c
	libavcodec/imgconvert.c
	libavcodec/indeo3.c
	libavcodec/kmvc.c
	libavcodec/libopenjpegdec.c
	libavcodec/libopenjpegenc.c
	libavcodec/libx264.c
	libavcodec/ljpegenc.c
	libavcodec/mjpegdec.c
	libavcodec/mjpegenc.c
	libavcodec/motionpixels.c
	libavcodec/mpeg12.c
	libavcodec/mpeg12enc.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo_enc.c
	libavcodec/pamenc.c
	libavcodec/pcxenc.c
	libavcodec/pgssubdec.c
	libavcodec/pngdec.c
	libavcodec/pngenc.c
	libavcodec/pnm.c
	libavcodec/pnmdec.c
	libavcodec/pnmenc.c
	libavcodec/ptx.c
	libavcodec/qdrw.c
	libavcodec/qpeg.c
	libavcodec/qtrleenc.c
	libavcodec/raw.c
	libavcodec/rawdec.c
	libavcodec/rl2.c
	libavcodec/sgidec.c
	libavcodec/sgienc.c
	libavcodec/snowdec.c
	libavcodec/snowenc.c
	libavcodec/sunrast.c
	libavcodec/targa.c
	libavcodec/targaenc.c
	libavcodec/tiff.c
	libavcodec/tiffenc.c
	libavcodec/tmv.c
	libavcodec/truemotion2.c
	libavcodec/utils.c
	libavcodec/vb.c
	libavcodec/vp3.c
	libavcodec/wnv1.c
	libavcodec/xl.c
	libavcodec/xwddec.c
	libavcodec/xwdenc.c
	libavcodec/yop.c
	libavdevice/v4l2.c
	libavdevice/x11grab.c
	libavfilter/avfilter.c
	libavfilter/avfilter.h
	libavfilter/buffersrc.c
	libavfilter/drawutils.c
	libavfilter/formats.c
	libavfilter/src_movie.c
	libavfilter/vf_ass.c
	libavfilter/vf_drawtext.c
	libavfilter/vf_fade.c
	libavfilter/vf_format.c
	libavfilter/vf_hflip.c
	libavfilter/vf_lut.c
	libavfilter/vf_overlay.c
	libavfilter/vf_pad.c
	libavfilter/vf_scale.c
	libavfilter/vf_transpose.c
	libavfilter/vf_yadif.c
	libavfilter/video.c
	libavfilter/vsrc_testsrc.c
	libavformat/movenc.c
	libavformat/mxf.h
	libavformat/utils.c
	libavformat/yuv4mpeg.c
	libavutil/imgutils.c
	libavutil/pixdesc.c
	libswscale/input.c
	libswscale/output.c
	libswscale/swscale_internal.h
	libswscale/swscale_unscaled.c
	libswscale/utils.c
	libswscale/x86/swscale_template.c
	libswscale/x86/yuv2rgb.c
	libswscale/x86/yuv2rgb_template.c
	libswscale/yuv2rgb.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-10-08 21:06:57 +02:00

203 lines
6.4 KiB
C

/*
* 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 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 "libavutil/pixdesc.h"
#include <stdint.h>
#include "config.h"
#include "libswscale/swscale_internal.h"
#if defined(__FDPIC__) && CONFIG_SRAM
#define L1CODE __attribute__((l1_text))
#else
#define L1CODE
#endif
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) L1CODE;
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) L1CODE;
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) L1CODE;
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);
}
SwsFunc ff_yuv2rgb_get_func_ptr_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",
av_get_pix_fmt_name(c->dstFormat));
return f;
}