mirror of https://github.com/mpv-player/mpv
325 lines
9.8 KiB
C
325 lines
9.8 KiB
C
/*
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* vo_vesa interface to Linux Video Overlay
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* (partly based on vo_mga.c)
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*
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* copyright (C) 2001 Nick Kurshev <nickols_k@mail.ru>
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*
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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 <inttypes.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 <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 "mp_msg.h"
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#include "help_mp.h"
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#include "vesa_lvo.h"
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#include "libmpcodecs/img_format.h"
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#include "drivers/mga_vid.h" /* <- should be changed to "linux/'something'.h" */
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#include "fastmemcpy.h"
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#include "osd.h"
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#include "video_out.h"
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#include "sub.h"
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#include "libmpcodecs/vfcap.h"
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#define WIDTH_ALIGN 32 /* should be 16 for rage:422 and 32 for rage:420 */
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#define NUM_FRAMES 10
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#define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */
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static uint8_t *frames[NUM_FRAMES];
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static int lvo_handler = -1;
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static uint8_t *lvo_mem = NULL;
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static uint8_t next_frame;
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static mga_vid_config_t mga_vid_config;
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static unsigned image_bpp,image_height,image_width,src_format;
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int vlvo_control(uint32_t request, void *data);
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#define PIXEL_SIZE() ((video_mode_info.BitsPerPixel+7)/8)
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#define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
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#define IMAGE_LINE_SIZE(pixel_size) (image_width*(pixel_size))
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extern struct vo_old_functions video_out_vesa;
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int vlvo_preinit(const char *drvname)
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{
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mp_tmsg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_ThisBranchIsNoLongerSupported);
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return -1;
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_preinit(%s) was called\n",drvname);}
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lvo_handler = open(drvname,O_RDWR);
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if(lvo_handler == -1)
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{
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mp_tmsg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_CouldntOpen,drvname);
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return -1;
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}
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/* we are able to tune up this stuff depend on fourcc format */
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video_out_vesa.draw_slice=vlvo_draw_slice;
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video_out_vesa.draw_frame=vlvo_draw_frame;
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video_out_vesa.flip_page=vlvo_flip_page;
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video_out_vesa.draw_osd=vlvo_draw_osd;
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video_out_vesa.control=vlvo_control;
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return 0;
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}
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int vlvo_init(unsigned src_width,unsigned src_height,
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unsigned x_org,unsigned y_org,unsigned dst_width,
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unsigned dst_height,unsigned format,unsigned dest_bpp)
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{
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size_t i,awidth;
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mp_tmsg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_ThisBranchIsNoLongerSupported);
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return -1;
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_init() was called\n");}
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image_width = src_width;
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image_height = src_height;
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mga_vid_config.version=MGA_VID_VERSION;
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src_format = mga_vid_config.format=format;
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awidth = (src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
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switch(format){
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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image_bpp=16;
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mga_vid_config.frame_size = awidth*src_height+(awidth*src_height)/2;
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break;
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case IMGFMT_YUY2:
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case IMGFMT_UYVY:
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image_bpp=16;
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mga_vid_config.frame_size = awidth*src_height*2;
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break;
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case IMGFMT_RGB15:
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case IMGFMT_BGR15:
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case IMGFMT_RGB16:
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case IMGFMT_BGR16:
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image_bpp=16;
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mga_vid_config.frame_size = awidth*src_height*2;
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break;
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case IMGFMT_RGB24:
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case IMGFMT_BGR24:
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image_bpp=24;
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mga_vid_config.frame_size = awidth*src_height*3;
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break;
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case IMGFMT_RGB32:
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case IMGFMT_BGR32:
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image_bpp=32;
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mga_vid_config.frame_size = awidth*src_height*4;
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break;
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default:
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mp_tmsg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_InvalidOutputFormat,vo_format_name(format),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 = src_width;
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mga_vid_config.src_height= src_height;
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mga_vid_config.dest_width = dst_width;
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mga_vid_config.dest_height= dst_height;
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mga_vid_config.x_org=x_org;
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mga_vid_config.y_org=y_org;
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mga_vid_config.num_frames=NUM_FRAMES;
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if (ioctl(lvo_handler,MGA_VID_CONFIG,&mga_vid_config))
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{
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perror("vesa_lvo: Error in mga_vid_config ioctl()");
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mp_tmsg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_VESA_IncompatibleDriverVersion);
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return -1;
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}
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ioctl(lvo_handler,MGA_VID_ON,0);
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frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,lvo_handler,0);
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for(i=1;i<NUM_FRAMES;i++)
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frames[i] = frames[i-1] + mga_vid_config.frame_size;
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next_frame = 0;
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lvo_mem = frames[next_frame];
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/*clear the buffer*/
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memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
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return 0;
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}
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void vlvo_term( void )
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{
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_term() was called\n");}
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ioctl( lvo_handler,MGA_VID_OFF,0 );
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munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
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if(lvo_handler != -1) close(lvo_handler);
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}
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int vlvo_draw_slice_420(uint8_t *image[], int stride[], int w,int h,int x,int y)
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{
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uint8_t *src;
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uint8_t *dest;
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uint32_t bespitch,bespitch2;
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int i;
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bespitch = (mga_vid_config.src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
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bespitch2 = bespitch/2;
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dest = lvo_mem + bespitch * y + x;
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src = image[0];
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for(i=0;i<h;i++){
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fast_memcpy(dest,src,w);
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src+=stride[0];
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dest += bespitch;
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}
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w/=2;h/=2;x/=2;y/=2;
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dest = lvo_mem + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
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src = image[1];
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for(i=0;i<h;i++){
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fast_memcpy(dest,src,w);
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src+=stride[1];
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dest += bespitch2;
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}
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dest = lvo_mem + bespitch*mga_vid_config.src_height
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+ bespitch*mga_vid_config.src_height / 4
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+ bespitch2 * y + x;
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src = image[2];
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for(i=0;i<h;i++){
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fast_memcpy(dest,src,w);
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src+=stride[2];
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dest += bespitch2;
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}
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return 0;
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}
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int vlvo_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
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{
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_slice() was called\n");}
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if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
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vlvo_draw_slice_420(image,stride,w,h,x,y);
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else
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{
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uint8_t *dst;
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uint8_t bytpp;
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bytpp = (image_bpp+7)/8;
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dst = lvo_mem + (image_width * y + x)*bytpp;
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/* vlvo_draw_slice_422(image,stride,w,h,x,y); just for speed */
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fast_memcpy(dst,image[0],mga_vid_config.frame_size);
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}
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return 0;
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}
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int vlvo_draw_frame(uint8_t *image[])
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{
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/* Note it's very strange but sometime for YUY2 draw_frame is called */
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fast_memcpy(lvo_mem,image[0],mga_vid_config.frame_size);
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_flip_page() was called\n");}
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return 0;
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}
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void vlvo_flip_page(void)
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{
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: vlvo_draw_osd() was called\n");}
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if(vo_doublebuffering)
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{
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ioctl(lvo_handler,MGA_VID_FSEL,&next_frame);
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next_frame=(next_frame+1)%mga_vid_config.num_frames;
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lvo_mem=frames[next_frame];
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}
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}
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#if 0
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static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
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{
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UNUSED(x0);
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UNUSED(y0);
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UNUSED(w);
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UNUSED(h);
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UNUSED(src);
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UNUSED(srca);
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UNUSED(stride);
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}
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static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
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{
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uint32_t bespitch = /*(*/mga_vid_config.src_width;// + 15) & ~15;
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switch(mga_vid_config.format){
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case IMGFMT_BGR15:
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case IMGFMT_RGB15:
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vo_draw_alpha_rgb15(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
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break;
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case IMGFMT_BGR16:
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case IMGFMT_RGB16:
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vo_draw_alpha_rgb16(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
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break;
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case IMGFMT_BGR24:
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case IMGFMT_RGB24:
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vo_draw_alpha_rgb24(w,h,src,srca,stride,lvo_mem+3*(y0*bespitch+x0),3*bespitch);
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break;
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case IMGFMT_BGR32:
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case IMGFMT_RGB32:
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vo_draw_alpha_rgb32(w,h,src,srca,stride,lvo_mem+4*(y0*bespitch+x0),4*bespitch);
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break;
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case IMGFMT_YV12:
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case IMGFMT_IYUV:
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case IMGFMT_I420:
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vo_draw_alpha_yv12(w,h,src,srca,stride,lvo_mem+bespitch*y0+x0,bespitch);
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break;
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case IMGFMT_YUY2:
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vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0),bespitch);
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break;
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case IMGFMT_UYVY:
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vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0)+1,bespitch);
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break;
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default:
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draw_alpha_null(x0,y0,w,h,src,srca,stride);
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}
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}
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#endif
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void vlvo_draw_osd(void)
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{
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2,"vesa_lvo: vlvo_draw_osd() was called\n"); }
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/* TODO: hw support */
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#if 0
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/* disable this stuff until new fbvid.h interface will be implemented
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because in different fourcc radeon_vid and rage128_vid have different
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width alignment */
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vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
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#endif
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}
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uint32_t vlvo_query_info(uint32_t format)
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{
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if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
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mp_msg(MSGT_VO,MSGL_DBG2, "vesa_lvo: query_format was called: %x (%s)\n",format,vo_format_name(format)); }
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return VFCAP_CSP_SUPPORTED;
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}
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int vlvo_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 vlvo_query_info(*((uint32_t*)data));
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}
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return VO_NOTIMPL;
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}
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