mirror of https://github.com/mpv-player/mpv
809 lines
24 KiB
C
809 lines
24 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 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 "config.h"
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#include "mp_msg.h"
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#include "cpudetect.h"
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#include "options.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "fmt-conversion.h"
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#include "mpbswap.h"
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#include "libswscale/swscale.h"
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#include "vf_scale.h"
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#include "libvo/csputils.h"
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// VOFLAG_SWSCALE
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#include "libvo/video_out.h"
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#include "m_option.h"
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#include "m_struct.h"
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static struct vf_priv_s {
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int w,h;
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int cfg_w, cfg_h;
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int v_chr_drop;
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double param[2];
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unsigned int fmt;
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struct SwsContext *ctx;
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struct SwsContext *ctx2; //for interlaced slices only
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unsigned char* palette;
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int interlaced;
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int noup;
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int accurate_rnd;
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struct mp_csp_details colorspace;
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} const vf_priv_dflt = {
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0, 0,
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-1,-1,
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0,
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{SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT},
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0,
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NULL,
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NULL,
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NULL
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};
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//===========================================================================//
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void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam);
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static const unsigned int outfmt_list[]={
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// YUV:
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IMGFMT_444P,
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IMGFMT_444P16_LE,
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IMGFMT_444P16_BE,
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IMGFMT_444P10_LE,
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IMGFMT_444P10_BE,
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IMGFMT_444P9_LE,
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IMGFMT_444P9_BE,
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IMGFMT_422P,
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IMGFMT_422P16_LE,
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IMGFMT_422P16_BE,
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IMGFMT_422P10_LE,
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IMGFMT_422P10_BE,
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IMGFMT_YV12,
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IMGFMT_I420,
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IMGFMT_420P16_LE,
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IMGFMT_420P16_BE,
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IMGFMT_420P10_LE,
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IMGFMT_420P10_BE,
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IMGFMT_420P9_LE,
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IMGFMT_420P9_BE,
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IMGFMT_420A,
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IMGFMT_IYUV,
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IMGFMT_YVU9,
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IMGFMT_IF09,
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IMGFMT_411P,
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IMGFMT_NV12,
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IMGFMT_NV21,
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IMGFMT_YUY2,
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IMGFMT_UYVY,
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IMGFMT_440P,
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// RGB and grayscale (Y8 and Y800):
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IMGFMT_BGR32,
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IMGFMT_RGB32,
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IMGFMT_BGR24,
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IMGFMT_RGB24,
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IMGFMT_GBRP,
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IMGFMT_RGB48LE,
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IMGFMT_RGB48BE,
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IMGFMT_BGR16,
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IMGFMT_RGB16,
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IMGFMT_BGR15,
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IMGFMT_RGB15,
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IMGFMT_BGR12,
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IMGFMT_RGB12,
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IMGFMT_Y800,
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IMGFMT_Y8,
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IMGFMT_BGR8,
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IMGFMT_RGB8,
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IMGFMT_BGR4,
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IMGFMT_RGB4,
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IMGFMT_BG4B,
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IMGFMT_RG4B,
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IMGFMT_BGR1,
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IMGFMT_RGB1,
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0
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};
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/**
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* A list of preferred conversions, in order of preference.
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* This should be used for conversions that e.g. involve no scaling
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* or to stop vf_scale from choosing a conversion that has no
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* fast assembler implementation.
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*/
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static int preferred_conversions[][2] = {
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{IMGFMT_YUY2, IMGFMT_UYVY},
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{IMGFMT_YUY2, IMGFMT_422P},
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{IMGFMT_UYVY, IMGFMT_YUY2},
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{IMGFMT_UYVY, IMGFMT_422P},
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{IMGFMT_422P, IMGFMT_YUY2},
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{IMGFMT_422P, IMGFMT_UYVY},
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{IMGFMT_GBRP, IMGFMT_BGR24},
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{IMGFMT_GBRP, IMGFMT_RGB24},
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{IMGFMT_GBRP, IMGFMT_BGR32},
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{IMGFMT_GBRP, IMGFMT_RGB32},
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{0, 0}
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};
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static unsigned int find_best_out(vf_instance_t *vf, int in_format){
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unsigned int best=0;
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int i = -1;
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int j = -1;
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int format = 0;
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// find the best outfmt:
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while (1) {
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int ret;
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if (j < 0) {
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format = in_format;
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j = 0;
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} else if (i < 0) {
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while (preferred_conversions[j][0] &&
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preferred_conversions[j][0] != in_format)
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j++;
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format = preferred_conversions[j++][1];
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// switch to standard list
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if (!format)
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i = 0;
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}
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if (i >= 0)
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format = outfmt_list[i++];
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if (!format)
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break;
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ret = vf_next_query_format(vf, format);
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mp_msg(MSGT_VFILTER,MSGL_DBG2,"scale: query(%s) -> %d\n",vo_format_name(format),ret&3);
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if(ret&VFCAP_CSP_SUPPORTED_BY_HW){
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best=format; // no conversion -> bingo!
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break;
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}
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if(ret&VFCAP_CSP_SUPPORTED && !best)
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best=format; // best with conversion
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}
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return best;
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}
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static int config(struct vf_instance *vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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struct MPOpts *opts = vf->opts;
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unsigned int best=find_best_out(vf, outfmt);
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int vo_flags;
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int int_sws_flags=0;
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int round_w=0, round_h=0;
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int i;
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SwsFilter *srcFilter, *dstFilter;
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enum PixelFormat dfmt, sfmt;
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vf->priv->colorspace = (struct mp_csp_details) {0};
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if(!best){
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mp_msg(MSGT_VFILTER,MSGL_WARN,"SwScale: no supported outfmt found :(\n");
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return 0;
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}
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sfmt = imgfmt2pixfmt(outfmt);
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if (outfmt == IMGFMT_RGB8 || outfmt == IMGFMT_BGR8) sfmt = PIX_FMT_PAL8;
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dfmt = imgfmt2pixfmt(best);
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vo_flags=vf->next->query_format(vf->next,best);
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vf->priv->w = vf->priv->cfg_w;
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vf->priv->h = vf->priv->cfg_h;
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// scaling to dwidth*d_height, if all these TRUE:
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// - option -zoom
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// - no other sw/hw up/down scaling avail.
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// - we're after postproc
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// - user didn't set w:h
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if(!(vo_flags&VFCAP_POSTPROC) && (flags&VOFLAG_SWSCALE) &&
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vf->priv->w<0 && vf->priv->h<0){ // -zoom
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int x=(vo_flags&VFCAP_SWSCALE) ? 0 : 1;
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if(d_width<width || d_height<height){
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// downscale!
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if(vo_flags&VFCAP_HWSCALE_DOWN) x=0;
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} else {
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// upscale:
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if(vo_flags&VFCAP_HWSCALE_UP) x=0;
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}
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if(x){
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// user wants sw scaling! (-zoom)
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vf->priv->w=d_width;
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vf->priv->h=d_height;
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}
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}
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if(vf->priv->noup){
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if((vf->priv->w > width) + (vf->priv->h > height) >= vf->priv->noup){
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vf->priv->w= width;
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vf->priv->h= height;
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}
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}
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if (vf->priv->w <= -8) {
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vf->priv->w += 8;
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round_w = 1;
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}
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if (vf->priv->h <= -8) {
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vf->priv->h += 8;
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round_h = 1;
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}
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if (vf->priv->w < -3 || vf->priv->h < -3 ||
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(vf->priv->w < -1 && vf->priv->h < -1)) {
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// TODO: establish a direct connection to the user's brain
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// and find out what the heck he thinks MPlayer should do
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// with this nonsense.
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mp_msg(MSGT_VFILTER, MSGL_ERR, "SwScale: EUSERBROKEN Check your parameters, they make no sense!\n");
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return 0;
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}
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if (vf->priv->w == -1)
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vf->priv->w = width;
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if (vf->priv->w == 0)
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vf->priv->w = d_width;
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if (vf->priv->h == -1)
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vf->priv->h = height;
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if (vf->priv->h == 0)
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vf->priv->h = d_height;
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if (vf->priv->w == -3)
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vf->priv->w = vf->priv->h * width / height;
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if (vf->priv->w == -2)
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vf->priv->w = vf->priv->h * d_width / d_height;
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if (vf->priv->h == -3)
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vf->priv->h = vf->priv->w * height / width;
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if (vf->priv->h == -2)
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vf->priv->h = vf->priv->w * d_height / d_width;
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if (round_w)
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vf->priv->w = ((vf->priv->w + 8) / 16) * 16;
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if (round_h)
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vf->priv->h = ((vf->priv->h + 8) / 16) * 16;
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// calculate the missing parameters:
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switch(best) {
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case IMGFMT_YV12: /* YV12 needs w & h rounded to 2 */
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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case IMGFMT_NV12:
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case IMGFMT_NV21:
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vf->priv->h = (vf->priv->h + 1) & ~1;
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case IMGFMT_YUY2: /* YUY2 needs w rounded to 2 */
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case IMGFMT_UYVY:
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vf->priv->w = (vf->priv->w + 1) & ~1;
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}
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mp_msg(MSGT_VFILTER,MSGL_DBG2,"SwScale: scaling %dx%d %s to %dx%d %s \n",
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width,height,vo_format_name(outfmt),
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vf->priv->w,vf->priv->h,vo_format_name(best));
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// free old ctx:
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if(vf->priv->ctx) sws_freeContext(vf->priv->ctx);
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if(vf->priv->ctx2)sws_freeContext(vf->priv->ctx2);
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// new swscaler:
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sws_getFlagsAndFilterFromCmdLine(&int_sws_flags, &srcFilter, &dstFilter);
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int_sws_flags|= vf->priv->v_chr_drop << SWS_SRC_V_CHR_DROP_SHIFT;
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int_sws_flags|= vf->priv->accurate_rnd * SWS_ACCURATE_RND;
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vf->priv->ctx=sws_getContext(width, height >> vf->priv->interlaced,
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sfmt,
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vf->priv->w, vf->priv->h >> vf->priv->interlaced,
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dfmt,
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int_sws_flags | get_sws_cpuflags(), srcFilter, dstFilter, vf->priv->param);
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if(vf->priv->interlaced){
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vf->priv->ctx2=sws_getContext(width, height >> 1,
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sfmt,
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vf->priv->w, vf->priv->h >> 1,
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dfmt,
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int_sws_flags | get_sws_cpuflags(), srcFilter, dstFilter, vf->priv->param);
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}
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if(!vf->priv->ctx){
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// error...
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mp_msg(MSGT_VFILTER,MSGL_WARN,"Couldn't init SwScaler for this setup\n");
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return 0;
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}
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vf->priv->fmt=best;
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free(vf->priv->palette);
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vf->priv->palette=NULL;
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switch(best){
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case IMGFMT_RGB8: {
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/* set 332 palette for 8 bpp */
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vf->priv->palette=malloc(4*256);
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for(i=0; i<256; i++){
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vf->priv->palette[4*i+0]=4*(i>>6)*21;
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vf->priv->palette[4*i+1]=4*((i>>3)&7)*9;
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vf->priv->palette[4*i+2]=4*((i&7)&7)*9;
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vf->priv->palette[4*i+3]=0;
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}
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break; }
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case IMGFMT_BGR8: {
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/* set 332 palette for 8 bpp */
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vf->priv->palette=malloc(4*256);
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for(i=0; i<256; i++){
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vf->priv->palette[4*i+0]=4*(i&3)*21;
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vf->priv->palette[4*i+1]=4*((i>>2)&7)*9;
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vf->priv->palette[4*i+2]=4*((i>>5)&7)*9;
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vf->priv->palette[4*i+3]=0;
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}
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break; }
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case IMGFMT_BGR4:
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case IMGFMT_BG4B: {
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vf->priv->palette=malloc(4*16);
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for(i=0; i<16; i++){
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vf->priv->palette[4*i+0]=4*(i&1)*63;
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vf->priv->palette[4*i+1]=4*((i>>1)&3)*21;
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vf->priv->palette[4*i+2]=4*((i>>3)&1)*63;
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vf->priv->palette[4*i+3]=0;
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}
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break; }
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case IMGFMT_RGB4:
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case IMGFMT_RG4B: {
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vf->priv->palette=malloc(4*16);
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for(i=0; i<16; i++){
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vf->priv->palette[4*i+0]=4*(i>>3)*63;
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vf->priv->palette[4*i+1]=4*((i>>1)&3)*21;
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vf->priv->palette[4*i+2]=4*((i&1)&1)*63;
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vf->priv->palette[4*i+3]=0;
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}
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break; }
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}
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if (!opts->screen_size_x && !opts->screen_size_y
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&& !(opts->screen_size_xy >= 0.001)) {
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// Compute new d_width and d_height, preserving aspect
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// while ensuring that both are >= output size in pixels.
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if (vf->priv->h * d_width > vf->priv->w * d_height) {
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d_width = vf->priv->h * d_width / d_height;
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d_height = vf->priv->h;
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} else {
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d_height = vf->priv->w * d_height / d_width;
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d_width = vf->priv->w;
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}
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//d_width=d_width*vf->priv->w/width;
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//d_height=d_height*vf->priv->h/height;
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}
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return vf_next_config(vf,vf->priv->w,vf->priv->h,d_width,d_height,flags,best);
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}
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static void start_slice(struct vf_instance *vf, mp_image_t *mpi){
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// printf("start_slice called! flag=%d\n",mpi->flags&MP_IMGFLAG_DRAW_CALLBACK);
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if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK)) return; // shouldn't happen
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// they want slices!!! allocate the buffer.
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mpi->priv=vf->dmpi=vf_get_image(vf->next,vf->priv->fmt,
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// mpi->type, mpi->flags & (~MP_IMGFLAG_DRAW_CALLBACK),
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
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vf->priv->w, vf->priv->h);
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}
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static void scale(struct SwsContext *sws1, struct SwsContext *sws2, uint8_t *src[MP_MAX_PLANES], int src_stride[MP_MAX_PLANES],
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int y, int h, uint8_t *dst[MP_MAX_PLANES], int dst_stride[MP_MAX_PLANES], int interlaced){
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const uint8_t *src2[MP_MAX_PLANES]={src[0], src[1], src[2], src[3]};
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#if HAVE_BIGENDIAN
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uint32_t pal2[256];
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if (src[1] && !src[2]){
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int i;
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for(i=0; i<256; i++)
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pal2[i]= bswap_32(((uint32_t*)src[1])[i]);
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src2[1]= pal2;
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}
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#endif
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if(interlaced){
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int i;
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uint8_t *dst2[MP_MAX_PLANES]={dst[0], dst[1], dst[2], dst[3]};
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int src_stride2[MP_MAX_PLANES]={2*src_stride[0], 2*src_stride[1], 2*src_stride[2], 2*src_stride[3]};
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int dst_stride2[MP_MAX_PLANES]={2*dst_stride[0], 2*dst_stride[1], 2*dst_stride[2], 2*dst_stride[3]};
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sws_scale(sws1, src2, src_stride2, y>>1, h>>1, dst2, dst_stride2);
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for(i=0; i<MP_MAX_PLANES; i++){
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src2[i] += src_stride[i];
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dst2[i] += dst_stride[i];
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}
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sws_scale(sws2, src2, src_stride2, y>>1, h>>1, dst2, dst_stride2);
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}else{
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sws_scale(sws1, src2, src_stride, y, h, dst, dst_stride);
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}
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}
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static void draw_slice(struct vf_instance *vf,
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unsigned char** src, int* stride, int w,int h, int x, int y){
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mp_image_t *dmpi=vf->dmpi;
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if(!dmpi){
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mp_msg(MSGT_VFILTER,MSGL_FATAL,"vf_scale: draw_slice() called with dmpi=NULL (no get_image?)\n");
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return;
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}
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// printf("vf_scale::draw_slice() y=%d h=%d\n",y,h);
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scale(vf->priv->ctx, vf->priv->ctx2, src, stride, y, h, dmpi->planes, dmpi->stride, vf->priv->interlaced);
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}
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static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
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mp_image_t *dmpi=mpi->priv;
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|
|
// printf("vf_scale::put_image(): processing whole frame! dmpi=%p flag=%d\n",
|
|
// dmpi, (mpi->flags&MP_IMGFLAG_DRAW_CALLBACK));
|
|
|
|
if(!(mpi->flags&MP_IMGFLAG_DRAW_CALLBACK && dmpi)){
|
|
|
|
// hope we'll get DR buffer:
|
|
dmpi=vf_get_image(vf->next,vf->priv->fmt,
|
|
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
|
|
vf->priv->w, vf->priv->h);
|
|
|
|
scale(vf->priv->ctx, vf->priv->ctx, mpi->planes,mpi->stride,0,mpi->h,dmpi->planes,dmpi->stride, vf->priv->interlaced);
|
|
}
|
|
|
|
if(vf->priv->w==mpi->w && vf->priv->h==mpi->h){
|
|
// just conversion, no scaling -> keep postprocessing data
|
|
// this way we can apply pp filter to non-yv12 source using scaler
|
|
vf_clone_mpi_attributes(dmpi, mpi);
|
|
}
|
|
|
|
if(vf->priv->palette) dmpi->planes[1]=vf->priv->palette; // export palette!
|
|
|
|
return vf_next_put_image(vf,dmpi, pts);
|
|
}
|
|
|
|
static int control(struct vf_instance *vf, int request, void* data){
|
|
int *table;
|
|
int *inv_table;
|
|
int r;
|
|
int brightness, contrast, saturation, srcRange, dstRange;
|
|
vf_equalizer_t *eq;
|
|
|
|
if(vf->priv->ctx)
|
|
switch(request){
|
|
case VFCTRL_GET_EQUALIZER:
|
|
r= sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation);
|
|
if(r<0) break;
|
|
|
|
eq = data;
|
|
if (!strcmp(eq->item,"brightness")) {
|
|
eq->value = ((brightness*100) + (1<<15))>>16;
|
|
}
|
|
else if (!strcmp(eq->item,"contrast")) {
|
|
eq->value = (((contrast *100) + (1<<15))>>16) - 100;
|
|
}
|
|
else if (!strcmp(eq->item,"saturation")) {
|
|
eq->value = (((saturation*100) + (1<<15))>>16) - 100;
|
|
}
|
|
else
|
|
break;
|
|
return CONTROL_TRUE;
|
|
case VFCTRL_SET_EQUALIZER:
|
|
r= sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation);
|
|
if(r<0) break;
|
|
//printf("set %f %f %f\n", brightness/(float)(1<<16), contrast/(float)(1<<16), saturation/(float)(1<<16));
|
|
eq = data;
|
|
|
|
if (!strcmp(eq->item,"brightness")) {
|
|
brightness = (( eq->value <<16) + 50)/100;
|
|
}
|
|
else if (!strcmp(eq->item,"contrast")) {
|
|
contrast = (((eq->value+100)<<16) + 50)/100;
|
|
}
|
|
else if (!strcmp(eq->item,"saturation")) {
|
|
saturation = (((eq->value+100)<<16) + 50)/100;
|
|
}
|
|
else
|
|
break;
|
|
|
|
r= sws_setColorspaceDetails(vf->priv->ctx, inv_table, srcRange, table, dstRange, brightness, contrast, saturation);
|
|
if(r<0) break;
|
|
if(vf->priv->ctx2){
|
|
r= sws_setColorspaceDetails(vf->priv->ctx2, inv_table, srcRange, table, dstRange, brightness, contrast, saturation);
|
|
if(r<0) break;
|
|
}
|
|
|
|
return CONTROL_TRUE;
|
|
case VFCTRL_SET_YUV_COLORSPACE: {
|
|
struct mp_csp_details colorspace = *(struct mp_csp_details *)data;
|
|
if (mp_sws_set_colorspace(vf->priv->ctx, &colorspace) >= 0) {
|
|
if (vf->priv->ctx2)
|
|
mp_sws_set_colorspace(vf->priv->ctx2, &colorspace);
|
|
vf->priv->colorspace = colorspace;
|
|
return 1;
|
|
}
|
|
break;
|
|
}
|
|
case VFCTRL_GET_YUV_COLORSPACE: {
|
|
/* This scale filter should never react to colorspace commands if it
|
|
* doesn't do YUV->RGB conversion. But because finding out whether this
|
|
* is really YUV->RGB (and not YUV->YUV or anything else) is hard,
|
|
* react only if the colorspace has been set explicitly before. The
|
|
* trick is that mp_sws_set_colorspace does not succeed for YUV->YUV
|
|
* and RGB->YUV conversions, which makes this code correct in "most"
|
|
* cases. (This would be trivial to do correctly if libswscale exposed
|
|
* functionality like isYUV()).
|
|
*/
|
|
if (vf->priv->colorspace.format) {
|
|
*(struct mp_csp_details *)data = vf->priv->colorspace;
|
|
return CONTROL_TRUE;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return vf_next_control(vf,request,data);
|
|
}
|
|
|
|
static const int mp_csp_to_swscale[MP_CSP_COUNT] = {
|
|
[MP_CSP_BT_601] = SWS_CS_ITU601,
|
|
[MP_CSP_BT_709] = SWS_CS_ITU709,
|
|
[MP_CSP_SMPTE_240M] = SWS_CS_SMPTE240M,
|
|
};
|
|
|
|
// Adjust the colorspace used for YUV->RGB conversion. On other conversions,
|
|
// do nothing or return an error.
|
|
// The csp argument is set to the supported values.
|
|
// Return 0 on success and -1 on error.
|
|
int mp_sws_set_colorspace(struct SwsContext *sws, struct mp_csp_details *csp)
|
|
{
|
|
int *table, *inv_table;
|
|
int brightness, contrast, saturation, srcRange, dstRange;
|
|
|
|
csp->levels_out = MP_CSP_LEVELS_PC;
|
|
|
|
// NOTE: returns an error if the destination format is YUV
|
|
if (sws_getColorspaceDetails(sws, &inv_table, &srcRange, &table, &dstRange,
|
|
&brightness, &contrast, &saturation) == -1)
|
|
goto error_out;
|
|
|
|
int sws_csp = mp_csp_to_swscale[csp->format];
|
|
if (sws_csp == 0) {
|
|
// colorspace not supported, go with a reasonable default
|
|
csp->format = SWS_CS_ITU601;
|
|
sws_csp = MP_CSP_BT_601;
|
|
}
|
|
|
|
/* The swscale API for these is hardly documented.
|
|
* Apparently table/range only apply to YUV. Thus dstRange has no effect
|
|
* for YUV->RGB conversions, and conversions to limited-range RGB are
|
|
* not supported.
|
|
*/
|
|
srcRange = csp->levels_in == MP_CSP_LEVELS_PC;
|
|
const int *new_inv_table = sws_getCoefficients(sws_csp);
|
|
|
|
if (sws_setColorspaceDetails(sws, new_inv_table, srcRange, table, dstRange,
|
|
brightness, contrast, saturation) == -1)
|
|
goto error_out;
|
|
|
|
return 0;
|
|
|
|
error_out:
|
|
*csp = (struct mp_csp_details){0};
|
|
return -1;
|
|
}
|
|
|
|
//===========================================================================//
|
|
|
|
// supported Input formats: YV12, I420, IYUV, YUY2, UYVY, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8, Y800
|
|
|
|
static int query_format(struct vf_instance *vf, unsigned int fmt){
|
|
if (!IMGFMT_IS_HWACCEL(fmt) && imgfmt2pixfmt(fmt) != PIX_FMT_NONE) {
|
|
unsigned int best=find_best_out(vf, fmt);
|
|
int flags;
|
|
if(!best) return 0; // no matching out-fmt
|
|
flags=vf_next_query_format(vf,best);
|
|
if(!(flags&(VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW))) return 0; // huh?
|
|
if(fmt!=best) flags&=~VFCAP_CSP_SUPPORTED_BY_HW;
|
|
// do not allow scaling, if we are before the PP fliter!
|
|
if(!(flags&VFCAP_POSTPROC)) flags|=VFCAP_SWSCALE;
|
|
return flags;
|
|
}
|
|
return 0; // nomatching in-fmt
|
|
}
|
|
|
|
static void uninit(struct vf_instance *vf){
|
|
if(vf->priv->ctx) sws_freeContext(vf->priv->ctx);
|
|
if(vf->priv->ctx2) sws_freeContext(vf->priv->ctx2);
|
|
free(vf->priv->palette);
|
|
free(vf->priv);
|
|
}
|
|
|
|
static int vf_open(vf_instance_t *vf, char *args){
|
|
vf->config=config;
|
|
vf->start_slice=start_slice;
|
|
vf->draw_slice=draw_slice;
|
|
vf->put_image=put_image;
|
|
vf->query_format=query_format;
|
|
vf->control= control;
|
|
vf->uninit=uninit;
|
|
mp_msg(MSGT_VFILTER,MSGL_V,"SwScale params: %d x %d (-1=no scaling)\n",
|
|
vf->priv->cfg_w,
|
|
vf->priv->cfg_h);
|
|
|
|
return 1;
|
|
}
|
|
|
|
//global sws_flags from the command line
|
|
int sws_flags=2;
|
|
|
|
//global srcFilter
|
|
static SwsFilter *src_filter= NULL;
|
|
|
|
float sws_lum_gblur= 0.0;
|
|
float sws_chr_gblur= 0.0;
|
|
int sws_chr_vshift= 0;
|
|
int sws_chr_hshift= 0;
|
|
float sws_chr_sharpen= 0.0;
|
|
float sws_lum_sharpen= 0.0;
|
|
|
|
int get_sws_cpuflags(void){
|
|
return
|
|
(gCpuCaps.hasMMX ? SWS_CPU_CAPS_MMX : 0)
|
|
| (gCpuCaps.hasMMX2 ? SWS_CPU_CAPS_MMX2 : 0)
|
|
| (gCpuCaps.has3DNow ? SWS_CPU_CAPS_3DNOW : 0)
|
|
| (gCpuCaps.hasAltiVec ? SWS_CPU_CAPS_ALTIVEC : 0);
|
|
}
|
|
|
|
void sws_getFlagsAndFilterFromCmdLine(int *flags, SwsFilter **srcFilterParam, SwsFilter **dstFilterParam)
|
|
{
|
|
static int firstTime=1;
|
|
*flags=0;
|
|
|
|
#if ARCH_X86
|
|
if(gCpuCaps.hasMMX)
|
|
__asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions)
|
|
#endif
|
|
if(firstTime)
|
|
{
|
|
firstTime=0;
|
|
*flags= SWS_PRINT_INFO;
|
|
}
|
|
else if( mp_msg_test(MSGT_VFILTER,MSGL_DBG2) ) *flags= SWS_PRINT_INFO;
|
|
|
|
if(src_filter) sws_freeFilter(src_filter);
|
|
|
|
src_filter= sws_getDefaultFilter(
|
|
sws_lum_gblur, sws_chr_gblur,
|
|
sws_lum_sharpen, sws_chr_sharpen,
|
|
sws_chr_hshift, sws_chr_vshift, verbose>1);
|
|
|
|
switch(sws_flags)
|
|
{
|
|
case 0: *flags|= SWS_FAST_BILINEAR; break;
|
|
case 1: *flags|= SWS_BILINEAR; break;
|
|
case 2: *flags|= SWS_BICUBIC; break;
|
|
case 3: *flags|= SWS_X; break;
|
|
case 4: *flags|= SWS_POINT; break;
|
|
case 5: *flags|= SWS_AREA; break;
|
|
case 6: *flags|= SWS_BICUBLIN; break;
|
|
case 7: *flags|= SWS_GAUSS; break;
|
|
case 8: *flags|= SWS_SINC; break;
|
|
case 9: *flags|= SWS_LANCZOS; break;
|
|
case 10:*flags|= SWS_SPLINE; break;
|
|
default:*flags|= SWS_BILINEAR; break;
|
|
}
|
|
|
|
*srcFilterParam= src_filter;
|
|
*dstFilterParam= NULL;
|
|
}
|
|
|
|
// will use sws_flags & src_filter (from cmd line)
|
|
static struct SwsContext *sws_getContextFromCmdLine2(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat, int extraflags)
|
|
{
|
|
int flags;
|
|
SwsFilter *dstFilterParam, *srcFilterParam;
|
|
enum PixelFormat dfmt, sfmt;
|
|
|
|
dfmt = imgfmt2pixfmt(dstFormat);
|
|
sfmt = imgfmt2pixfmt(srcFormat);
|
|
if (srcFormat == IMGFMT_RGB8 || srcFormat == IMGFMT_BGR8) sfmt = PIX_FMT_PAL8;
|
|
sws_getFlagsAndFilterFromCmdLine(&flags, &srcFilterParam, &dstFilterParam);
|
|
|
|
return sws_getContext(srcW, srcH, sfmt, dstW, dstH, dfmt, flags | extraflags | get_sws_cpuflags(), srcFilterParam, dstFilterParam, NULL);
|
|
}
|
|
|
|
struct SwsContext *sws_getContextFromCmdLine(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat)
|
|
{
|
|
return sws_getContextFromCmdLine2(srcW, srcH, srcFormat, dstW, dstH, dstFormat, 0);
|
|
}
|
|
|
|
struct SwsContext *sws_getContextFromCmdLine_hq(int srcW, int srcH, int srcFormat, int dstW, int dstH, int dstFormat)
|
|
{
|
|
return sws_getContextFromCmdLine2(srcW, srcH, srcFormat, dstW, dstH, dstFormat,
|
|
SWS_FULL_CHR_H_INT | SWS_FULL_CHR_H_INP | SWS_ACCURATE_RND | SWS_BITEXACT);
|
|
}
|
|
|
|
/// An example of presets usage
|
|
static const struct size_preset {
|
|
char* name;
|
|
int w, h;
|
|
} vf_size_presets_defs[] = {
|
|
// TODO add more 'standard' resolutions
|
|
{ "qntsc", 352, 240 },
|
|
{ "qpal", 352, 288 },
|
|
{ "ntsc", 720, 480 },
|
|
{ "pal", 720, 576 },
|
|
{ "sntsc", 640, 480 },
|
|
{ "spal", 768, 576 },
|
|
{ NULL, 0, 0}
|
|
};
|
|
|
|
#define ST_OFF(f) M_ST_OFF(struct size_preset,f)
|
|
static const m_option_t vf_size_preset_fields[] = {
|
|
{"w", ST_OFF(w), CONF_TYPE_INT, M_OPT_MIN,1 ,0, NULL},
|
|
{"h", ST_OFF(h), CONF_TYPE_INT, M_OPT_MIN,1 ,0, NULL},
|
|
{ NULL, NULL, 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static const m_struct_t vf_size_preset = {
|
|
"scale_size_preset",
|
|
sizeof(struct size_preset),
|
|
NULL,
|
|
vf_size_preset_fields
|
|
};
|
|
|
|
static const m_struct_t vf_opts;
|
|
static const m_obj_presets_t size_preset = {
|
|
&vf_size_preset, // Input struct desc
|
|
&vf_opts, // Output struct desc
|
|
vf_size_presets_defs, // The list of presets
|
|
ST_OFF(name) // At wich offset is the name field in the preset struct
|
|
};
|
|
|
|
/// Now the options
|
|
#undef ST_OFF
|
|
#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
|
|
static const m_option_t vf_opts_fields[] = {
|
|
{"w", ST_OFF(cfg_w), CONF_TYPE_INT, M_OPT_MIN,-11,0, NULL},
|
|
{"h", ST_OFF(cfg_h), CONF_TYPE_INT, M_OPT_MIN,-11,0, NULL},
|
|
{"interlaced", ST_OFF(interlaced), CONF_TYPE_INT, M_OPT_RANGE, 0, 1, NULL},
|
|
{"chr-drop", ST_OFF(v_chr_drop), CONF_TYPE_INT, M_OPT_RANGE, 0, 3, NULL},
|
|
{"param" , ST_OFF(param[0]), CONF_TYPE_DOUBLE, M_OPT_RANGE, 0.0, 100.0, NULL},
|
|
{"param2", ST_OFF(param[1]), CONF_TYPE_DOUBLE, M_OPT_RANGE, 0.0, 100.0, NULL},
|
|
// Note that here the 2 field is NULL (ie 0)
|
|
// As we want this option to act on the option struct itself
|
|
{"presize", 0, CONF_TYPE_OBJ_PRESETS, 0, 0, 0, (void *)&size_preset},
|
|
{"noup", ST_OFF(noup), CONF_TYPE_INT, M_OPT_RANGE, 0, 2, NULL},
|
|
{"arnd", ST_OFF(accurate_rnd), CONF_TYPE_FLAG, 0, 0, 1, NULL},
|
|
{ NULL, NULL, 0, 0, 0, 0, NULL }
|
|
};
|
|
|
|
static const m_struct_t vf_opts = {
|
|
"scale",
|
|
sizeof(struct vf_priv_s),
|
|
&vf_priv_dflt,
|
|
vf_opts_fields
|
|
};
|
|
|
|
const vf_info_t vf_info_scale = {
|
|
"software scaling",
|
|
"scale",
|
|
"A'rpi",
|
|
"",
|
|
vf_open,
|
|
&vf_opts
|
|
};
|
|
|
|
//===========================================================================//
|