mirror of https://github.com/mpv-player/mpv
314 lines
9.3 KiB
C
314 lines
9.3 KiB
C
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/*
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* vosub_vidix.c
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*
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* Copyright (C) Nick Kurshev <nickols_k@mail.ru> - 2002
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*
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* You can redistribute this file under terms and conditions
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* of GNU General Public licence v2.
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*
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* This file contains vidix interface to any mplayer's VO plugin.
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* (Partly based on vesa_lvo.c from mplayer's package)
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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 "vosub_vidix.h"
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#include "../vidix/vidixlib.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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#define NUM_FRAMES 10 /* Temporary: driver will overwrite it */
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#define UNUSED(x) ((void)(x)) /* Removes warning about unused arguments */
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static VDL_HANDLE vidix_handler = NULL;
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static uint8_t *vidix_mem = NULL;
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static uint8_t next_frame;
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static unsigned image_bpp,image_height,image_width,src_format;
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extern int verbose;
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static vidix_capability_t vidix_cap;
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static vidix_playback_t vidix_play;
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static vidix_fourcc_t vidix_fourcc;
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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 vo_functions_t video_out_vesa;
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int vidix_preinit(const char *drvname)
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{
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int err;
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if(verbose > 1) printf("vosub_vidix: vidix_preinit(%s) was called\n",drvname);
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if(vdlGetVersion() != VIDIX_VERSION)
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{
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printf("vosub_vidix: You have wrong version of VIDIX library\n");
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return -1;
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}
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vidix_handler = vdlOpen("/usr/lib/mplayer/vidix/",
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drvname ? drvname[0] == ':' ? &drvname[1] : NULL : NULL,
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TYPE_OUTPUT,
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verbose);
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if(vidix_handler == NULL)
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{
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printf("vosub_vidix: Couldn't find working VIDIX driver\n");
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return -1;
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}
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if((err=vdlGetCapability(vidix_handler,&vidix_cap)) != 0)
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{
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printf("vosub_vidix: Couldn't get capability: %s\n",strerror(err));
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return -1;
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}
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printf("vosub_vidix: Using: %s\n",vidix_cap.name);
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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=vidix_draw_slice;
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video_out_vesa.draw_frame=vidix_draw_frame;
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video_out_vesa.flip_page=vidix_flip_page;
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video_out_vesa.draw_osd=vidix_draw_osd;
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return 0;
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}
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int vidix_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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unsigned vid_w,unsigned vid_h)
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{
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size_t i,awidth;
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int err;
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if(verbose > 1) printf("vosub_vidix: vidix_init() was called\n");
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if(vid_w > vidix_cap.maxwidth || vid_w < vidix_cap.minwidth ||
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vid_h > vidix_cap.maxheight || vid_h < vidix_cap.minheight)
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{
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printf("vosub_vidix: video server has unsupported resolution by vidix\n");
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return -1;
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}
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err = 0;
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switch(dest_bpp)
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{
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case 1: err = ((vidix_fourcc.depth & VID_DEPTH_1BPP) != VID_DEPTH_1BPP); break;
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case 2: err = ((vidix_fourcc.depth & VID_DEPTH_2BPP) != VID_DEPTH_2BPP); break;
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case 4: err = ((vidix_fourcc.depth & VID_DEPTH_4BPP) != VID_DEPTH_4BPP); break;
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case 8: err = ((vidix_fourcc.depth & VID_DEPTH_8BPP) != VID_DEPTH_8BPP); break;
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case 12:err = ((vidix_fourcc.depth & VID_DEPTH_12BPP) != VID_DEPTH_12BPP); break;
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case 16:err = ((vidix_fourcc.depth & VID_DEPTH_16BPP) != VID_DEPTH_16BPP); break;
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case 24:err = ((vidix_fourcc.depth & VID_DEPTH_24BPP) != VID_DEPTH_24BPP); break;
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case 32:err = ((vidix_fourcc.depth & VID_DEPTH_32BPP) != VID_DEPTH_32BPP); break;
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}
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if(err)
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{
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printf("vosub_vidix: video server has unsupported color depth by vidix\n");
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return -1;
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}
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if((dst_width > src_width || dst_height > src_height) && (vidix_cap.flags & FLAG_UPSCALER) != FLAG_UPSCALER)
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{
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printf("vosub_vidix: vidix driver can't upscale image\n");
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return -1;
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}
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if((dst_width > src_width || dst_height > src_height) && (vidix_cap.flags & FLAG_DOWNSCALER) != FLAG_DOWNSCALER)
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{
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printf("vosub_vidix: vidix driver can't downscale image\n");
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return -1;
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}
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image_width = src_width;
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image_height = src_height;
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src_format = format;
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memset(&vidix_play,0,sizeof(vidix_playback_t));
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vidix_play.fourcc = format;
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vidix_play.capability = vidix_cap.flags; /* every ;) */
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vidix_play.blend_factor = 0; /* for now */
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vidix_play.src.x = vidix_play.src.y = 0;
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vidix_play.src.w = src_width;
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vidix_play.src.h = src_height;
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vidix_play.dest.x = x_org;
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vidix_play.dest.y = y_org;
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vidix_play.dest.w = dst_width;
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vidix_play.dest.h = dst_height;
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vidix_play.num_frames=NUM_FRAMES;
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if((err=vdlConfigPlayback(vidix_handler,&vidix_play))!=0)
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{
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printf("vosub_vidix: Can't configure playback: %s\n",strerror(err));
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return -1;
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}
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if((err=vdlPlaybackOn(vidix_handler))!=0)
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{
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printf("vosub_vidix: Can't start playback: %s\n",strerror(err));
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return -1;
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}
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next_frame = 0;
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vidix_mem =vidix_play.dga_addr;
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/*clear the buffer*/
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memset(vidix_mem + vidix_play.offsets[0],0x80,vidix_play.frame_size*vidix_play.num_frames);
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return 0;
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}
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void vidix_term( void )
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{
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if(verbose > 1) printf("vosub_vidix: vidix_term() was called\n");
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vdlPlaybackOff(vidix_handler);
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vdlClose(vidix_handler);
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}
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uint32_t vidix_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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unsigned bespitch,apitch;
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int i;
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apitch = vidix_play.dest.pitch.y-1;
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bespitch = (w + apitch) & ~apitch;
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dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
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dest += bespitch*y + x;
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src = image[0];
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for(i=0;i<h;i++){
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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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apitch = vidix_play.dest.pitch.v-1;
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bespitch = (w + apitch) & ~apitch;
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dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
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dest += bespitch*y/4 + x;
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src = image[1];
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for(i=0;i<h/2;i++){
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memcpy(dest,src,w/2);
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src+=stride[1];
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dest+=bespitch/2;
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}
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apitch = vidix_play.dest.pitch.u-1;
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bespitch = (w + apitch) & ~apitch;
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dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.u;
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dest += bespitch*y/4 + x;
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src = image[2];
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for(i=0;i<h/2;i++){
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memcpy(dest,src,w/2);
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src+=stride[2];
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dest += bespitch/2;
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}
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return 0;
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}
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uint32_t vidix_draw_slice_422(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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unsigned bespitch,apitch;
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int i;
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apitch = vidix_play.dest.pitch.y-1;
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bespitch = (w*2 + apitch) & ~apitch;
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dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
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dest += bespitch*y + x;
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src = image[0];
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for(i=0;i<h;i++){
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memcpy(dest,src,w*2);
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src+=stride[0];
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dest += bespitch;
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}
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}
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uint32_t vidix_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
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{
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if(verbose > 1) printf("vosub_vidix: vidix_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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vidix_draw_slice_420(image,stride,w,h,x,y);
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else
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vidix_draw_slice_422(image,stride,w,h,x,y);
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return 0;
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}
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uint32_t vidix_draw_frame(uint8_t *image[])
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{
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if(verbose > 1) printf("vosub_vidix: vidix_draw_frame() was called\n");
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/* Note it's very strange but sometime for YUY2 draw_frame is called */
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if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
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{
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printf("vosub_vidix: draw_frame for i420 is called\nExiting...\n");
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vidix_term();
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exit( EXIT_FAILURE );
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}
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else
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{
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int stride[1];
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stride[0] = vidix_play.src.w*2;
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vidix_draw_slice_422(image,stride,vidix_play.src.w,vidix_play.src.h,
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vidix_play.src.x,vidix_play.src.y);
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}
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return 0;
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}
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void vidix_flip_page(void)
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{
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if(verbose > 1) printf("vosub_vidix: vidix_flip_page() was called\n");
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if(vo_doublebuffering)
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{
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vdlPlaybackFrameSelect(vidix_handler,next_frame);
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next_frame=(next_frame+1)%vidix_play.num_frames;
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}
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}
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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 apitch,bespitch;
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void *lvo_mem;
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lvo_mem = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
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apitch = vidix_play.dest.pitch.y-1;
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bespitch = (vidix_play.src.w + apitch) & (~apitch);
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switch(vidix_play.fourcc){
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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),2*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)+1,2*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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void vidix_draw_osd(void)
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{
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if(verbose > 1) printf("vosub_vidix: vidix_draw_osd() was called\n");
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/* TODO: hw support */
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vo_draw_text(vidix_play.src.w,vidix_play.src.h,draw_alpha);
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}
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uint32_t vidix_query_fourcc(uint32_t format)
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{
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if(verbose > 1) printf("vosub_vidix: query_format was called: %x (%s)\n",format,vo_format_name(format));
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vidix_fourcc.fourcc = format;
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vdlQueryFourcc(vidix_handler,&vidix_fourcc);
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return vidix_fourcc.depth != VID_DEPTH_NONE;
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}
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