mirror of https://github.com/mpv-player/mpv
370 lines
13 KiB
C
370 lines
13 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 <stdbool.h>
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#include <libavutil/common.h>
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#include "config.h"
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#include "mp_msg.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 "libvo/fastmemcpy.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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// These four values are a backup of the values parsed from the command line.
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// This is necessary so that we do not get a mess upon filter reinit due to
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// e.g. aspect changes and with only aspect specified on the command line,
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// where we would otherwise use the values calculated for a different aspect
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// instead of recalculating them again.
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int cfg_exp_w, cfg_exp_h;
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int cfg_exp_x, cfg_exp_y;
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int exp_w,exp_h;
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int exp_x,exp_y;
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double aspect;
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int round;
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int passthrough;
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int first_slice;
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} const vf_priv_dflt = {
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-1,-1,
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-1,-1,
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-1,-1,
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-1,-1,
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0.,
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1,
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0,
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0
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};
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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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{
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struct MPOpts *opts = vf->opts;
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mp_image_t test_mpi;
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if(outfmt == IMGFMT_MPEGPES) {
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vf->priv->passthrough = 1;
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return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
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}
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mp_image_setfmt(&test_mpi, outfmt);
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if (outfmt == IMGFMT_IF09 || !test_mpi.bpp) return 0;
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vf->priv->exp_x = vf->priv->cfg_exp_x;
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vf->priv->exp_y = vf->priv->cfg_exp_y;
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vf->priv->exp_w = vf->priv->cfg_exp_w;
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vf->priv->exp_h = vf->priv->cfg_exp_h;
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// calculate the missing parameters:
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#if 0
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if(vf->priv->exp_w<width) vf->priv->exp_w=width;
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if(vf->priv->exp_h<height) vf->priv->exp_h=height;
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#else
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if ( vf->priv->exp_w == -1 ) vf->priv->exp_w=width;
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else if (vf->priv->exp_w < -1 ) vf->priv->exp_w=width - vf->priv->exp_w;
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else if ( vf->priv->exp_w<width ) vf->priv->exp_w=width;
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if ( vf->priv->exp_h == -1 ) vf->priv->exp_h=height;
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else if ( vf->priv->exp_h < -1 ) vf->priv->exp_h=height - vf->priv->exp_h;
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else if( vf->priv->exp_h<height ) vf->priv->exp_h=height;
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#endif
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if (vf->priv->aspect) {
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float adjusted_aspect = vf->priv->aspect;
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adjusted_aspect *= ((double)width/height) / ((double)d_width/d_height);
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if (vf->priv->exp_h < vf->priv->exp_w / adjusted_aspect) {
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vf->priv->exp_h = vf->priv->exp_w / adjusted_aspect + 0.5;
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} else {
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vf->priv->exp_w = vf->priv->exp_h * adjusted_aspect + 0.5;
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}
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}
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if (vf->priv->round > 1) { // round up.
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vf->priv->exp_w = (1 + (vf->priv->exp_w - 1) / vf->priv->round) * vf->priv->round;
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vf->priv->exp_h = (1 + (vf->priv->exp_h - 1) / vf->priv->round) * vf->priv->round;
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}
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if(vf->priv->exp_x<0 || vf->priv->exp_x+width>vf->priv->exp_w) vf->priv->exp_x=(vf->priv->exp_w-width)/2;
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if(vf->priv->exp_y<0 || vf->priv->exp_y+height>vf->priv->exp_h) vf->priv->exp_y=(vf->priv->exp_h-height)/2;
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if(test_mpi.flags & MP_IMGFLAG_YUV) {
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int x_align_mask = (1 << test_mpi.chroma_x_shift) - 1;
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int y_align_mask = (1 << test_mpi.chroma_y_shift) - 1;
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// For 1-plane format non-aligned offsets will completely
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// destroy the colours, for planar it will break the chroma
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// sampling position.
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if (vf->priv->exp_x & x_align_mask) {
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vf->priv->exp_x &= ~x_align_mask;
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mp_msg(MSGT_VFILTER, MSGL_ERR, "Specified x offset not supported "
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"for YUV, reduced to %i.\n", vf->priv->exp_x);
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}
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if (vf->priv->exp_y & y_align_mask) {
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vf->priv->exp_y &= ~y_align_mask;
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mp_msg(MSGT_VFILTER, MSGL_ERR, "Specified y offset not supported "
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"for YUV, reduced to %i.\n", vf->priv->exp_y);
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}
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}
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if(!opts->screen_size_x && !opts->screen_size_y){
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d_width=d_width*vf->priv->exp_w/width;
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d_height=d_height*vf->priv->exp_h/height;
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}
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return vf_next_config(vf,vf->priv->exp_w,vf->priv->exp_h,d_width,d_height,flags,outfmt);
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}
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// there are 4 cases:
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// codec --DR--> expand --DR--> vo
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// codec --DR--> expand -copy-> vo
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// codec -copy-> expand --DR--> vo
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// codec -copy-> expand -copy-> vo (worst case)
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static void get_image(struct vf_instance *vf, mp_image_t *mpi){
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// if(mpi->type==MP_IMGTYPE_IPB) return; // not yet working
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if(vf->priv->exp_w==mpi->width ||
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(mpi->flags&(MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH)) ){
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// try full DR !
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mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
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mpi->type, mpi->flags,
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FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
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FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
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if((vf->dmpi->flags & MP_IMGFLAG_DRAW_CALLBACK) &&
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!(vf->dmpi->flags & MP_IMGFLAG_DIRECT)){
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mp_tmsg(MSGT_VFILTER, MSGL_INFO, "Full DR not possible, trying SLICES instead!\n");
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return;
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}
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// set up mpi as a cropped-down image of dmpi:
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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mpi->planes[0]=vf->dmpi->planes[0]+
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vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x;
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mpi->planes[1]=vf->dmpi->planes[1]+
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(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift);
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mpi->planes[2]=vf->dmpi->planes[2]+
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(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift);
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mpi->stride[1]=vf->dmpi->stride[1];
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mpi->stride[2]=vf->dmpi->stride[2];
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} else {
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mpi->planes[0]=vf->dmpi->planes[0]+
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vf->priv->exp_y*vf->dmpi->stride[0]+
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vf->priv->exp_x*(vf->dmpi->bpp/8);
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}
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mpi->stride[0]=vf->dmpi->stride[0];
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mpi->width=vf->dmpi->width;
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mpi->flags|=MP_IMGFLAG_DIRECT;
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mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
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// vf->dmpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
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}
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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(!vf->next->draw_slice){
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mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
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return;
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}
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// they want slices!!! allocate the buffer.
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if(!mpi->priv)
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mpi->priv=vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
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// MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
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MP_IMGTYPE_TEMP, mpi->flags,
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FFMAX(vf->priv->exp_w, mpi->width +vf->priv->exp_x),
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FFMAX(vf->priv->exp_h, mpi->height+vf->priv->exp_y));
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if(!(vf->dmpi->flags&MP_IMGFLAG_DRAW_CALLBACK))
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mp_tmsg(MSGT_VFILTER, MSGL_WARN, "WARNING! Next filter doesn't support SLICES, get ready for sig11...\n"); // shouldn't happen.
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vf->priv->first_slice = 1;
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}
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static void draw_top_blackbar_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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if(vf->priv->exp_y>0 && y == 0) {
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vf_next_draw_slice(vf, vf->dmpi->planes, vf->dmpi->stride,
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vf->dmpi->w,vf->priv->exp_y,0,0);
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}
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}
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static void draw_bottom_blackbar_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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if(vf->priv->exp_y+vf->h<vf->dmpi->h && y+h == vf->h) {
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unsigned char *src2[MP_MAX_PLANES];
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src2[0] = vf->dmpi->planes[0]
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+ (vf->priv->exp_y+vf->h)*vf->dmpi->stride[0];
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if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
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src2[1] = vf->dmpi->planes[1]
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+ ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[1];
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src2[2] = vf->dmpi->planes[2]
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+ ((vf->priv->exp_y+vf->h)>>vf->dmpi->chroma_y_shift)*vf->dmpi->stride[2];
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} else {
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src2[1] = vf->dmpi->planes[1]; // passthrough rgb8 palette
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}
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vf_next_draw_slice(vf, src2, vf->dmpi->stride,
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vf->dmpi->w,vf->dmpi->h-(vf->priv->exp_y+vf->h),
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0,vf->priv->exp_y+vf->h);
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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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// printf("draw_slice() called %d at %d\n",h,y);
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if (y == 0 && y+h == vf->h) {
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// special case - only one slice
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draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
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vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
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draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
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return;
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}
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if (vf->priv->first_slice) {
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draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
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draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
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}
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vf_next_draw_slice(vf,src,stride,w,h,x+vf->priv->exp_x,y+vf->priv->exp_y);
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if (!vf->priv->first_slice) {
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draw_top_blackbar_slice(vf, src, stride, w, h, x, y);
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draw_bottom_blackbar_slice(vf, src, stride, w, h, x, y);
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}
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vf->priv->first_slice = 0;
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}
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// w, h = width and height of the actual video frame (located at exp_x/exp_y)
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static void clear_borders(struct vf_instance *vf, int w, int h)
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{
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// upper border (over the full width)
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vf_mpi_clear(vf->dmpi, 0, 0, vf->priv->exp_w, vf->priv->exp_y);
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// lower border
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vf_mpi_clear(vf->dmpi, 0, vf->priv->exp_y + h, vf->priv->exp_w,
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vf->priv->exp_h - (vf->priv->exp_y + h));
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// left
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vf_mpi_clear(vf->dmpi, 0, vf->priv->exp_y, vf->priv->exp_x, h);
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// right
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vf_mpi_clear(vf->dmpi, vf->priv->exp_x + w, vf->priv->exp_y,
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vf->priv->exp_w - (vf->priv->exp_x + w), h);
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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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if (vf->priv->passthrough) {
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mp_image_t *dmpi = vf_get_image(vf->next, IMGFMT_MPEGPES,
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MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
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dmpi->planes[0]=mpi->planes[0];
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return vf_next_put_image(vf,dmpi, pts);
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}
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if(mpi->flags&MP_IMGFLAG_DIRECT || mpi->flags&MP_IMGFLAG_DRAW_CALLBACK){
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vf->dmpi=mpi->priv;
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if(!vf->dmpi) { mp_tmsg(MSGT_VFILTER, MSGL_WARN, "Why do we get NULL??\n"); return 0; }
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mpi->priv=NULL;
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clear_borders(vf,mpi->w,mpi->h);
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// we've used DR, so we're ready...
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if(!(mpi->flags&MP_IMGFLAG_PLANAR))
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vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
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return vf_next_put_image(vf,vf->dmpi, pts);
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}
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// hope we'll get DR buffer:
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vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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vf->priv->exp_w, vf->priv->exp_h);
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// copy mpi->dmpi...
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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memcpy_pic(vf->dmpi->planes[0]+
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vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x,
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mpi->planes[0], mpi->w, mpi->h,
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vf->dmpi->stride[0],mpi->stride[0]);
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memcpy_pic(vf->dmpi->planes[1]+
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(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[1]+(vf->priv->exp_x>>mpi->chroma_x_shift),
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mpi->planes[1], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
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vf->dmpi->stride[1],mpi->stride[1]);
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memcpy_pic(vf->dmpi->planes[2]+
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(vf->priv->exp_y>>mpi->chroma_y_shift)*vf->dmpi->stride[2]+(vf->priv->exp_x>>mpi->chroma_x_shift),
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mpi->planes[2], (mpi->w>>mpi->chroma_x_shift), (mpi->h>>mpi->chroma_y_shift),
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vf->dmpi->stride[2],mpi->stride[2]);
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} else {
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memcpy_pic(vf->dmpi->planes[0]+
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vf->priv->exp_y*vf->dmpi->stride[0]+vf->priv->exp_x*(vf->dmpi->bpp/8),
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mpi->planes[0], mpi->w*(vf->dmpi->bpp/8), mpi->h,
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vf->dmpi->stride[0],mpi->stride[0]);
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vf->dmpi->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
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}
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clear_borders(vf,mpi->w,mpi->h);
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return vf_next_put_image(vf,vf->dmpi, pts);
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}
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//===========================================================================//
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static int control(struct vf_instance *vf, int request, void* data){
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return vf_next_control(vf,request,data);
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}
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static int query_format(struct vf_instance *vf, unsigned int fmt){
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return vf_next_query_format(vf,fmt);
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}
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static int vf_open(vf_instance_t *vf, char *args){
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vf->config=config;
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vf->control=control;
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vf->query_format=query_format;
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vf->start_slice=start_slice;
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vf->draw_slice=draw_slice;
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vf->get_image=get_image;
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vf->put_image=put_image;
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mp_msg(MSGT_VFILTER, MSGL_INFO, "Expand: %d x %d, %d ; %d, aspect: %f, round: %d\n",
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vf->priv->cfg_exp_w,
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vf->priv->cfg_exp_h,
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vf->priv->cfg_exp_x,
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vf->priv->cfg_exp_y,
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vf->priv->aspect,
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vf->priv->round);
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return 1;
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}
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#define ST_OFF(f) M_ST_OFF(struct vf_priv_s,f)
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static m_option_t vf_opts_fields[] = {
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{"w", ST_OFF(cfg_exp_w), CONF_TYPE_INT, 0, 0 ,0, NULL},
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{"h", ST_OFF(cfg_exp_h), CONF_TYPE_INT, 0, 0 ,0, NULL},
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{"x", ST_OFF(cfg_exp_x), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
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{"y", ST_OFF(cfg_exp_y), CONF_TYPE_INT, M_OPT_MIN, -1, 0, NULL},
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{"aspect", ST_OFF(aspect), CONF_TYPE_DOUBLE, M_OPT_MIN, 0, 0, NULL},
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{"round", ST_OFF(round), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL},
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{ NULL, NULL, 0, 0, 0, 0, NULL }
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};
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static const m_struct_t vf_opts = {
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"expand",
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sizeof(struct vf_priv_s),
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&vf_priv_dflt,
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vf_opts_fields
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};
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const vf_info_t vf_info_expand = {
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"expanding",
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"expand",
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"A'rpi",
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"",
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vf_open,
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&vf_opts
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};
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//===========================================================================//
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