mirror of https://github.com/mpv-player/mpv
158 lines
4.0 KiB
C
158 lines
4.0 KiB
C
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//#define memcpy(a,b,c)
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/*
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* video_out_mga.c
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*
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* Copyright (C) Aaron Holtzman - Aug 1999
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*
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* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
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*
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* mpeg2dec 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, or (at your option)
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* any later version.
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*
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* mpeg2dec 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
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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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 "config.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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LIBVO_EXTERN(mga)
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include "drivers/mga_vid.h"
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#include "sub.h"
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#include "aspect.h"
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static vo_info_t vo_info =
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{
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"Matrox G200/G400 overlay (/dev/mga_vid)",
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"mga",
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"Aaron Holtzman <aholtzma@ess.engr.uvic.ca>",
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""
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};
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#include "mga_common.c"
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static uint32_t
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init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format,const vo_tune_info_t *info)
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{
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char *devname=vo_subdevice?vo_subdevice:"/dev/mga_vid";
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if(vo_screenwidth && vo_screenheight){
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aspect_save_orig(width,height);
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aspect_save_prescale(d_width,d_height);
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aspect_save_screenres(vo_screenwidth,vo_screenheight);
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if(fullscreen&0x01) /* -fs */
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aspect(&d_width,&d_height,A_ZOOM);
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else
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aspect(&d_width,&d_height,A_NOZOOM);
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printf("vo_mga aspect(): resized to %dx%d\n",d_width,d_height);
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}
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f = open(devname,O_RDWR);
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if(f == -1)
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{
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printf("Couldn't open %s\n",devname);
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return(-1);
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}
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switch(format){
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case IMGFMT_YV12:
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mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
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mga_vid_config.format=MGA_VID_FORMAT_YV12; break;
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case IMGFMT_I420:
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mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
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mga_vid_config.format=MGA_VID_FORMAT_I420; break;
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case IMGFMT_IYUV:
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mga_vid_config.frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
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mga_vid_config.format=MGA_VID_FORMAT_IYUV; break;
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case IMGFMT_YUY2:
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mga_vid_config.frame_size = ((width + 31) & ~31) * height * 2;
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mga_vid_config.format=MGA_VID_FORMAT_YUY2; break;
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case IMGFMT_UYVY:
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mga_vid_config.frame_size = ((width + 31) & ~31) * height * 2;
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mga_vid_config.format=MGA_VID_FORMAT_UYVY; break;
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default:
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printf("mga: invalid output format %0X\n",format);
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return (-1);
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}
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mga_vid_config.colkey_on=0;
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mga_vid_config.src_width = width;
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mga_vid_config.src_height= height;
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mga_vid_config.dest_width = d_width;
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mga_vid_config.dest_height= d_height;
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mga_vid_config.x_org= 0; // (720-mga_vid_config.dest_width)/2;
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mga_vid_config.y_org= 0; // (576-mga_vid_config.dest_height)/2;
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if(vo_screenwidth && vo_screenheight){
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mga_vid_config.x_org=(vo_screenwidth-d_width)/2;
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mga_vid_config.y_org=(vo_screenheight-d_height)/2;
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}
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mga_vid_config.version=MGA_VID_VERSION;
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return mga_init();
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}
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static const vo_info_t*
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get_info(void)
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{
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return &vo_info;
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}
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static void
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uninit(void)
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{
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mga_uninit();
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printf("vo: uninit!\n");
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}
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static void draw_osd(void)
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{
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vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
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}
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static void flip_page(void)
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{
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vo_mga_flip_page();
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}
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static void check_events(void)
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{
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}
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static uint32_t preinit(const char *arg)
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{
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return 0;
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}
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static void query_vaa(vo_vaa_t *vaa)
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{
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memset(vaa,0,sizeof(vo_vaa_t));
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}
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