mirror of https://github.com/mpv-player/mpv
556 lines
16 KiB
C
556 lines
16 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 <sys/types.h>
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#include "config.h"
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#include "core/mp_msg.h"
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#include "core/options.h"
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#include "video/img_format.h"
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#include "video/mp_image.h"
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#include "vf.h"
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#include "video/fmt-conversion.h"
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#include "compat/mpbswap.h"
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#include "video/sws_utils.h"
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#include "video/csputils.h"
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#include "video/out/vo.h"
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#include "core/m_option.h"
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#include "core/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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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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};
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static int mp_sws_set_colorspace(struct SwsContext *sws,
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struct mp_csp_details *csp);
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//===========================================================================//
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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_444P14_LE,
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IMGFMT_444P14_BE,
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IMGFMT_444P12_LE,
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IMGFMT_444P12_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_422P14_LE,
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IMGFMT_422P14_BE,
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IMGFMT_422P12_LE,
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IMGFMT_422P12_BE,
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IMGFMT_422P10_LE,
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IMGFMT_422P10_BE,
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IMGFMT_422P9_LE,
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IMGFMT_422P9_BE,
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IMGFMT_420P,
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IMGFMT_420P16_LE,
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IMGFMT_420P16_BE,
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IMGFMT_420P14_LE,
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IMGFMT_420P14_BE,
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IMGFMT_420P12_LE,
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IMGFMT_420P12_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_420AP,
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IMGFMT_410P,
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IMGFMT_411P,
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IMGFMT_NV12,
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IMGFMT_NV21,
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IMGFMT_YUYV,
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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_ABGR,
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IMGFMT_ARGB,
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IMGFMT_BGRA,
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IMGFMT_RGBA,
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IMGFMT_BGR24,
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IMGFMT_RGB24,
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IMGFMT_GBRP,
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IMGFMT_RGB48_LE,
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IMGFMT_RGB48_BE,
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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_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_RGB4_BYTE,
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IMGFMT_BGR4_BYTE,
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IMGFMT_MONO,
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IMGFMT_MONO_W,
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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_YUYV, IMGFMT_UYVY},
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{IMGFMT_YUYV, IMGFMT_422P},
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{IMGFMT_UYVY, IMGFMT_YUYV},
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{IMGFMT_UYVY, IMGFMT_422P},
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{IMGFMT_422P, IMGFMT_YUYV},
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{IMGFMT_422P, IMGFMT_UYVY},
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{IMGFMT_420P10, IMGFMT_420P},
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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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{IMGFMT_PAL8, IMGFMT_BGR32},
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{IMGFMT_XYZ12, IMGFMT_RGB48},
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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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unsigned int best=find_best_out(vf, outfmt);
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int int_sws_flags=0;
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int round_w=0, round_h=0;
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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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dfmt = imgfmt2pixfmt(best);
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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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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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// check for upscaling, now that all parameters had been applied
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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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// calculate the missing parameters:
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switch(best) {
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case IMGFMT_420P: /* YV12 needs w & h rounded to 2 */
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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_YUYV: /* 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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// 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, srcFilter, dstFilter, vf->priv->param);
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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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// 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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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 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 BYTE_ORDER == BIG_ENDIAN
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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 struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi)
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{
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struct mp_image *dmpi = vf_alloc_out_image(vf);
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mp_image_copy_attributes(dmpi, mpi);
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scale(vf->priv->ctx, vf->priv->ctx, mpi->planes,mpi->stride,0,mpi->h,dmpi->planes,dmpi->stride, vf->priv->interlaced);
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talloc_free(mpi);
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return dmpi;
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}
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static int control(struct vf_instance *vf, int request, void* data){
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int *table;
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int *inv_table;
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int r;
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int brightness, contrast, saturation, srcRange, dstRange;
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vf_equalizer_t *eq;
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if(vf->priv->ctx)
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switch(request){
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case VFCTRL_GET_EQUALIZER:
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r= sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation);
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if(r<0) break;
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eq = data;
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if (!strcmp(eq->item,"brightness")) {
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eq->value = ((brightness*100) + (1<<15))>>16;
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}
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else if (!strcmp(eq->item,"contrast")) {
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eq->value = (((contrast *100) + (1<<15))>>16) - 100;
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}
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else if (!strcmp(eq->item,"saturation")) {
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eq->value = (((saturation*100) + (1<<15))>>16) - 100;
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}
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else
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break;
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return CONTROL_TRUE;
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case VFCTRL_SET_EQUALIZER:
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r= sws_getColorspaceDetails(vf->priv->ctx, &inv_table, &srcRange, &table, &dstRange, &brightness, &contrast, &saturation);
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if(r<0) break;
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//printf("set %f %f %f\n", brightness/(float)(1<<16), contrast/(float)(1<<16), saturation/(float)(1<<16));
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eq = data;
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if (!strcmp(eq->item,"brightness")) {
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brightness = (( eq->value <<16) + 50)/100;
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}
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else if (!strcmp(eq->item,"contrast")) {
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contrast = (((eq->value+100)<<16) + 50)/100;
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}
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else if (!strcmp(eq->item,"saturation")) {
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saturation = (((eq->value+100)<<16) + 50)/100;
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}
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else
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break;
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r= sws_setColorspaceDetails(vf->priv->ctx, inv_table, srcRange, table, dstRange, brightness, contrast, saturation);
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if(r<0) break;
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return CONTROL_TRUE;
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case VFCTRL_SET_YUV_COLORSPACE: {
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struct mp_csp_details colorspace = *(struct mp_csp_details *)data;
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if (mp_sws_set_colorspace(vf->priv->ctx, &colorspace) >= 0) {
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vf->priv->colorspace = colorspace;
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return 1;
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}
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break;
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}
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case VFCTRL_GET_YUV_COLORSPACE: {
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/* This scale filter should never react to colorspace commands if it
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* doesn't do YUV->RGB conversion. But because finding out whether this
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* is really YUV->RGB (and not YUV->YUV or anything else) is hard,
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* react only if the colorspace has been set explicitly before. The
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* trick is that mp_sws_set_colorspace does not succeed for YUV->YUV
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* and RGB->YUV conversions, which makes this code correct in "most"
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* cases. (This would be trivial to do correctly if libswscale exposed
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* functionality like isYUV()).
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*/
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if (vf->priv->colorspace.format) {
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*(struct mp_csp_details *)data = vf->priv->colorspace;
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return CONTROL_TRUE;
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}
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break;
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}
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default:
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break;
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}
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return vf_next_control(vf,request,data);
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}
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static const int mp_csp_to_swscale[MP_CSP_COUNT] = {
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[MP_CSP_BT_601] = SWS_CS_ITU601,
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[MP_CSP_BT_709] = SWS_CS_ITU709,
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[MP_CSP_SMPTE_240M] = SWS_CS_SMPTE240M,
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};
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// Adjust the colorspace used for YUV->RGB conversion. On other conversions,
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// do nothing or return an error.
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// The csp argument is set to the supported values.
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// Return 0 on success and -1 on error.
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static int mp_sws_set_colorspace(struct SwsContext *sws,
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struct mp_csp_details *csp)
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{
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int *table, *inv_table;
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int brightness, contrast, saturation, srcRange, dstRange;
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csp->levels_out = MP_CSP_LEVELS_PC;
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// NOTE: returns an error if the destination format is YUV
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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;
|
|
return flags;
|
|
}
|
|
return 0; // nomatching in-fmt
|
|
}
|
|
|
|
static void uninit(struct vf_instance *vf){
|
|
if(vf->priv->ctx) sws_freeContext(vf->priv->ctx);
|
|
free(vf->priv);
|
|
}
|
|
|
|
static int vf_open(vf_instance_t *vf, char *args){
|
|
vf->config=config;
|
|
vf->filter=filter;
|
|
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;
|
|
}
|
|
|
|
#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},
|
|
{"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
|
|
};
|
|
|
|
//===========================================================================//
|