mirror of https://github.com/mpv-player/mpv
465 lines
10 KiB
C
465 lines
10 KiB
C
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// How many MegaBytes of RAM is on your G200/G400 card?
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#define RAM_SIZE 16
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/*
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* video_out_syncfb.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 mpeg2dec; if not, write to the Free Software
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* Foundation, Inc., 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 <errno.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "help_mp.h"
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#include "video_out.h"
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#include "video_out_internal.h"
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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 <linux/videodev.h>
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#include "drivers/syncfb/syncfb.h"
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#include "fastmemcpy.h"
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static vo_info_t info =
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{
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"Matrox G200/G400 Synchronous framebuffer (/dev/syncfb)",
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"syncfb",
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"Matthias Oelmann <mao@well.com>",
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""
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};
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LIBVO_EXTERN(syncfb)
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/* deinterlacing on? looks only good in 50 Hz(PAL) or 60 Hz(NTSC) modes */
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static int vo_conf_deinterlace = 0;
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/* 72/75 Hz Monitor frequency for progressive output */
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static int vo_conf_cinemode = 0;
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static syncfb_config_t _config;
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static syncfb_capability_t sfb_caps;
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static syncfb_buffer_info_t bufinfo;
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static uint_8 *vid_data;
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static uint_8 *frame_mem;
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static int debug_skip_first = 250;
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static int dbg_singleframe = 0;
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static int conf_palette;
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static int f;
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/*
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it seems that mpeg2dec never calls
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draw_frame, so i could not test it....
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*/
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static void
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write_frame_YUV422(uint_8 *y,uint_8 *cr, uint_8 *cb)
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{
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uint_8 *crp, *cbp;
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uint_32 *dest32;
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uint_32 bespitch,h,w;
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bespitch = _config.src_pitch;
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dest32 = (uint_32 *)vid_data;
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for(h=0; h < _config.src_height/2; h++)
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{
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cbp = cb;
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crp = cr;
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for(w=0; w < _config.src_width/2; w++)
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{
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*dest32++ = (*y) + ((*cr)<<8) + ((*(y+1))<<16) + ((*cb)<<24);
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y++; y++; cb++; cr++;
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}
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dest32 += (bespitch - _config.src_width) / 2;
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for(w=0; w < _config.src_width/2; w++)
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{
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*dest32++ = (*y) + ((*crp)<<8) + ((*(y+1))<<16) + ((*cbp)<<24);
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y++; y++; cbp++; crp++;
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}
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dest32 += (bespitch - _config.src_width) / 2;
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}
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}
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static void
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write_frame_YUV420P2(uint_8 *y,uint_8 *cr, uint_8 *cb)
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{
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uint_8 *dest, *tmp;
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uint_32 bespitch,h,w;
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bespitch = _config.src_pitch;
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dest = frame_mem + bufinfo.offset;
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for(h=0; h < _config.src_height; h++)
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{
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fast_memcpy(dest, y, _config.src_width);
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y += _config.src_width;
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dest += bespitch;
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}
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dest = frame_mem + bufinfo.offset_p2;
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for(h=0; h < _config.src_height/2; h++)
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{
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tmp = dest;
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for(w=0; w < _config.src_width/2; w++)
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{
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*tmp++ = *cr++;
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*tmp++ = *cb++;
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}
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dest += bespitch;
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}
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}
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static void
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write_frame_YUV420P3(uint_8 *y,uint_8 *cr, uint_8 *cb)
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{
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}
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static void
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write_slice_YUV420P2(uint_8 *y,uint_8 *cr, uint_8 *cb,uint_32 slice_num)
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{
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uint_8 *dest, *tmp;
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uint_32 bespitch,h,w;
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bespitch = _config.src_pitch;
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dest = frame_mem + bufinfo.offset + (bespitch * 16 * slice_num);
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for(h=0; h < 16; h++)
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{
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fast_memcpy(dest, y, _config.src_width);
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y += _config.src_width;
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dest += bespitch;
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}
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dest = frame_mem + bufinfo.offset_p2 + (bespitch * 16 * slice_num) /2;
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for(h=0; h < 8; h++)
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{
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tmp = dest;
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for(w=0; w < _config.src_width/2; w++)
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{
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*tmp++ = *cr++;
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*tmp++ = *cb++;
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}
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dest += bespitch;
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}
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}
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static void
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write_slice_YUV420P3(uint_8 *y,uint_8 *cr, uint_8 *cb,int stride[],uint_32 ypos,uint_32 xsize,uint_32 ysize)
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{
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uint_8 *dest;
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uint_32 bespitch,h;
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bespitch = _config.src_pitch;
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dest = frame_mem + bufinfo.offset + (bespitch * ypos);
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for(h=0; h < ysize; h++)
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{
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fast_memcpy(dest, y, xsize);
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y += stride[0];
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dest += bespitch;
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}
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xsize/=2;
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ysize/=2;
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dest = frame_mem + bufinfo.offset_p2 + (bespitch * ypos)/4;
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for(h=0; h < ysize; h++)
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{
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fast_memcpy(dest, cr, xsize);
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cr += stride[1];
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dest += bespitch/2;
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}
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dest = frame_mem + bufinfo.offset_p3 + (bespitch * ypos)/4;
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for(h=0; h < ysize; h++)
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{
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fast_memcpy(dest, cb, xsize);
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cb += stride[2];
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dest += bespitch/2;
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}
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}
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static void
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write_slice_YUV422(uint_8 *y,uint_8 *cr, uint_8 *cb,uint_32 slice_num)
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{
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uint_8 *crp, *cbp;
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uint_32 *dest32;
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uint_32 bespitch,h,w;
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bespitch = _config.src_pitch;
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dest32 = (uint_32 *)(vid_data + (bespitch * 16 * slice_num) * 2);
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for(h=0; h < 8; h++)
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{
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cbp = cb;
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crp = cr;
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for(w=0; w < _config.src_width/2; w++)
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{
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*dest32++ = (*y) + ((*cr)<<8) + ((*(y+1))<<16) + ((*cb)<<24);
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y++; y++; cb++; cr++;
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}
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dest32 += (bespitch - _config.src_width) / 2;
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for(w=0; w < _config.src_width/2; w++)
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{
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*dest32++ = (*y) + ((*crp)<<8) + ((*(y+1))<<16) + ((*cbp)<<24);
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y++; y++; cbp++; crp++;
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}
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dest32 += (bespitch - _config.src_width) / 2;
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}
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}
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//static uint32_t draw_slice(uint8_t *src[], uint32_t slice_num)
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static int
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draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
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{
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if ( vid_data == NULL ) return 0;
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write_slice_YUV420P3(src[0],src[1], src[2],stride,y,w,h);
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//printf("sorry, not syncfb/draw_slice() implemented yet...\n");
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#if 0
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if ( conf_palette == VIDEO_PALETTE_YUV422 ) {
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write_slice_YUV422(src[0],src[1], src[2],slice_num);
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} else if ( conf_palette == VIDEO_PALETTE_YUV420P2 ) {
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write_slice_YUV420P2(src[0],src[1], src[2],slice_num);
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} else if ( conf_palette == VIDEO_PALETTE_YUV420P3 ) {
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write_slice_YUV420P3(src[0],src[1], src[2],slice_num);
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}
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#endif
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return 0;
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}
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static void draw_osd(void)
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{
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}
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static void
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flip_page(void)
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{
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// memset(frame_mem + bufinfo.offset_p2, 0x80, _config.src_width*config.src_height);
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ioctl(f,SYNCFB_COMMIT_BUFFER,&bufinfo);
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if ( dbg_singleframe ) {
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if ( debug_skip_first == 0 ) {
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mp_msg(MSGT_VO,MSGL_INFO, "Press 'anykey' for field 1\n" );
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getchar();
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ioctl(f,SYNCFB_VBI,0);
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}
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if ( debug_skip_first > 0 ) {
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debug_skip_first--;
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// debug_skip_first = 0;
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if ( debug_skip_first == 0 ) {
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ioctl(f,SYNCFB_VBI,0);
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ioctl(f,SYNCFB_VBI,0);
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ioctl(f,SYNCFB_VBI,0);
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}
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}
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if ( debug_skip_first == 0 ) {
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mp_msg(MSGT_VO,MSGL_INFO, "Press 'anykey' for field 2\n" );
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getchar();
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ioctl(f,SYNCFB_VBI,0);
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}
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}
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ioctl(f,SYNCFB_REQUEST_BUFFER,&bufinfo);
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if ( bufinfo.id == -1 ) mp_msg(MSGT_VO,MSGL_INFO, "Got buffer #%d\n", bufinfo.id );
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vid_data = (uint_8 *)(frame_mem + bufinfo.offset);
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if ( bufinfo.id == -1 ) {
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//vid_data = frame_mem;
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vid_data = NULL;
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}
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// printf("Flip %d\n", bufinfo.offset);
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}
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static int draw_frame(uint8_t *src[])
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{
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mp_msg(MSGT_VO,MSGL_INFO, "DRAW FRAME!!!\n");
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if ( conf_palette == VIDEO_PALETTE_YUV422 ) {
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write_frame_YUV422(src[0],src[1], src[2]);
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} else if ( conf_palette == VIDEO_PALETTE_YUV420P2 ) {
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write_frame_YUV420P2(src[0],src[1], src[2]);
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} else if ( conf_palette == VIDEO_PALETTE_YUV420P3 ) {
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write_frame_YUV420P3(src[0],src[1], src[2]);
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}
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flip_page();
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return 0;
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}
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static int
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query_format(uint32_t format)
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{
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switch(format){
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case IMGFMT_YV12:
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// case IMGFMT_RGB|24:
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// case IMGFMT_BGR|24:
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return VFCAP_CSP_SUPPORTED;
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}
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return 0;
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}
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static int config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
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{
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uint_32 frame_size;
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f = open("/dev/syncfb",O_RDWR);
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if(f == -1)
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{
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f = open("/dev/mga_vid",O_RDWR);
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if(f == -1)
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{
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mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SYNCFB_CouldntOpen);
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return(-1);
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}
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}
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if (ioctl(f,SYNCFB_GET_CAPS,&sfb_caps)) perror("Error in mga_vid_config ioctl");
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if (ioctl(f,SYNCFB_GET_CONFIG,&config)) perror("Error in mga_vid_config ioctl");
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if (sfb_caps.palettes & (1<<VIDEO_PALETTE_YUV420P3) ) {
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_config.src_palette= VIDEO_PALETTE_YUV420P3;
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_UsingPaletteYuv420p3);
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}else if ( sfb_caps.palettes & (1<<VIDEO_PALETTE_YUV420P2) ) {
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_config.src_palette= VIDEO_PALETTE_YUV420P2;
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_UsingPaletteYuv420p2);
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} else if ( sfb_caps.palettes & (1<<VIDEO_PALETTE_YUV422) ) {
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_config.src_palette= VIDEO_PALETTE_YUV422;
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_UsingPaletteYuv420);
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} else {
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mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SYNCFB_NoSupportedPaletteFound);
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return -1;
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}
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// _config.src_palette= VIDEO_PALETTE_YUV422;
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if ( vo_conf_cinemode ) {
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_config.default_repeat = 3;
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} else {
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_config.default_repeat = 2;
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}
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conf_palette = _config.src_palette;
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if ( vo_conf_deinterlace ) {
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_config.syncfb_mode = SYNCFB_FEATURE_SCALE | SYNCFB_FEATURE_BLOCK_REQUEST | SYNCFB_FEATURE_DEINTERLACE;
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_config.default_repeat = 1;
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} else {
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_config.syncfb_mode = SYNCFB_FEATURE_SCALE | SYNCFB_FEATURE_BLOCK_REQUEST;
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}
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_config.fb_screen_size = (RAM_SIZE-4)*0x100000; //(1280 * 1024 * 32) / 8;
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_config.src_width = width;
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_config.src_height= height;
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_config.image_width = d_width;
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_config.image_height= d_height;
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//_config.image_width = 1024;
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//_config.image_height= 576;
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_config.image_xorg= 0;
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_config.image_yorg= 0;
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_BesSourcerSize, width, height);
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ioctl(f,SYNCFB_ON,0);
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if (ioctl(f,SYNCFB_SET_CONFIG,&_config)) perror("Error in mga_vid_config ioctl");
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_FramebufferMemory, sfb_caps.memory_size, _config.buffers);
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frame_size = ((width + 31) & ~31) * height + (((width + 31) & ~31) * height) / 2;
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frame_mem = (uint_8*)mmap(0,sfb_caps.memory_size,PROT_WRITE,MAP_SHARED,f,0);
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_RequestingFirstBuffer, bufinfo.id );
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ioctl(f,SYNCFB_REQUEST_BUFFER,&bufinfo);
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mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_SYNCFB_GotFirstBuffer, bufinfo.id );
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vid_data = (uint_8 *)(frame_mem + bufinfo.offset);
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//clear the buffer
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// memset(frame_mem,0x80,frame_size*2);
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return 0;
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}
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static void
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uninit(void)
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{
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if (ioctl(f,SYNCFB_OFF,0)) perror("Error in OFF ioctl");
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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 int preinit(const char *arg)
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{
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if(arg)
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{
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mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SYNCFB_UnknownSubdevice,arg);
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return ENOSYS;
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}
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return 0;
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}
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static int control(uint32_t request, void *data, ...)
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{
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switch (request) {
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case VOCTRL_QUERY_FORMAT:
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return query_format(*((uint32_t*)data));
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}
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return VO_NOTIMPL;
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}
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