mirror of
https://github.com/mpv-player/mpv
synced 2024-12-28 01:52:19 +00:00
cfb5ef8d6f
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6053 b3059339-0415-0410-9bf9-f77b7e298cf2
675 lines
18 KiB
C
675 lines
18 KiB
C
/*
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Video driver for SVGAlib
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by Zoltan Mark Vician <se7en@sch.bme.hu>
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Code started: Mon Apr 1 23:25:47 2001
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Some changes by Matan Ziv-Av <matan@svgalib.org>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <vga.h>
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#include <limits.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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#include "sub.h"
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#include "../postproc/rgb2rgb.h"
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#include "../mp_msg.h"
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//#include "../mp_image.h"
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extern int vo_directrendering;
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extern int vo_dbpp;
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extern int verbose;
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static uint32_t query_format(uint32_t format);
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static int checksupportedmodes();
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static void putbox(int x, int y, int w, int h, uint8_t *buf,int prog);
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static void fillbox(int x, int y, int w, int h, uint32_t c);
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static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
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unsigned char *srca, int stride);
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static uint32_t get_image(mp_image_t *mpi);
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static uint8_t *yuvbuf = NULL, *bppbuf = NULL;
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static uint8_t *GRAPH_MEM;
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static int BYTESPERPIXEL, WIDTH, HEIGHT, LINEWIDTH;
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static int frame, maxframes, oldmethod=0;
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static uint32_t pformat;
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static uint32_t orig_w, orig_h, maxw, maxh; // Width, height
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static uint8_t buf0[8192];
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static uint8_t *buffer;
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typedef struct vga_modelist_s {
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uint16_t modenum;
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vga_modeinfo modeinfo;
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struct vga_modelist_s *next;
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} vga_modelist_t;
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vga_modelist_t *modelist = NULL;
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static uint8_t bpp;
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static uint8_t bpp_conv = 0;
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static uint32_t pformat;
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#define BPP_15 1
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#define BPP_16 2
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#define BPP_24 4
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#define BPP_32 8
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static uint8_t bpp_avail = 0;
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static uint8_t checked = 0;
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static uint32_t x_pos, y_pos;
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LIBVO_EXTERN(svga)
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static vo_info_t vo_info = {
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"SVGAlib",
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"svga",
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"Zoltan Mark Vician <se7en@sch.bme.hu>",
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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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int i;
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for(i=0;i<8192;i++) buf0[i]=0;
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if(vo_directrendering) {
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maxframes=0;
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} else {
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maxframes=1;
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}
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printf("vo_svga: preinit - maxframes=%i\n",maxframes);
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return 0;
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}
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static uint32_t 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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case VOCTRL_GET_IMAGE:
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return get_image(data);
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}
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return VO_NOTIMPL;
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}
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static uint32_t config(uint32_t width, uint32_t height, uint32_t d_width,
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uint32_t d_height, uint32_t fullscreen, char *title,
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uint32_t format,const vo_tune_info_t *info) {
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uint32_t req_w = (d_width > 0 ? d_width : width);
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uint32_t req_h = (d_height > 0 ? d_height : height);
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uint16_t vid_mode = 0;
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uint8_t res_widescr, vid_widescr = (((req_w*1.0)/req_h) > (4.0/3)) ? 1 : 0;
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uint16_t buf_w = USHRT_MAX, buf_h = USHRT_MAX;
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vga_modelist_t *list = modelist;
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if (!checked) {
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if (checksupportedmodes()) // Looking for available video modes
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return(1);
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}
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bpp_avail = 0;
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while (list != NULL) {
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if ((list->modeinfo.width >= req_w) && (list->modeinfo.height >= req_h)) {
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switch (list->modeinfo.colors) {
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case 32768: bpp_avail |= BPP_15; break;
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case 65536: bpp_avail |= BPP_16; break;
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}
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switch (list->modeinfo.bytesperpixel) {
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case 3: bpp_avail |= BPP_24; break;
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case 4: bpp_avail |= BPP_32; break;
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}
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}
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list = list->next;
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}
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pformat = format;
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// bpp check
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bpp_conv = 0;
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if (!vo_dbpp) {
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if (format == IMGFMT_YV12) bpp = 32;
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else bpp = format & 255;
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if (verbose)
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printf("vo_svga: vo_dbpp == 0, bpp: %d\n",bpp);
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switch (bpp) {
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case 32: if (!(bpp_avail & BPP_32)) {
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printf("vo_svga: Haven't found video mode which fit to: %dx%d %dbpp\n",req_w,req_h,bpp);
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printf("vo_svga: Maybe you should try -bpp\n");
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return(1);
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}
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break;
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case 24: if (!(bpp_avail & BPP_24)) {
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if (!(bpp_avail & BPP_32)) {
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printf("vo_svga: Haven't found video mode which fit to: %dx%d %dbpp\n",req_w,req_h,bpp);
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printf("vo_svga: Maybe you should try -bpp\n");
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return(1);
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} else {
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bpp = 32;
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bpp_conv = 1;
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printf("vo_svga: BPP conversion 24->32\n");
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}
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}
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break;
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case 16: if (!(bpp_avail & BPP_16)) {
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printf("vo_svga: Haven't found video mode which fit to: %dx%d %dbpp\n",req_w,req_h,bpp);
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printf("vo_svga: Maybe you should try -bpp\n");
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return(1);
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}
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break;
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case 15: if (!(bpp_avail & BPP_15)) {
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if (!(bpp_avail & BPP_16)) {
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printf("vo_svga: Haven't found video mode which fit to: %dx%d %dbpp\n",req_w,req_h,bpp);
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printf("vo_svga: Maybe you should try -bpp\n");
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return(1);
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} else {
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bpp = 16;
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bpp_conv = 1;
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printf("vo_svga: BPP conversion 15->16\n");
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}
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}
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break;
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}
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} else {
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bpp = vo_dbpp;
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if (verbose)
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printf("vo_svga: vo_dbpp == %d\n",bpp);
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switch (bpp) {
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case 32: if (!(bpp_avail & BPP_32)) {
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printf("vo_svga: %dbpp not supported in %dx%d (or larger resoltuion) by HW or SVGAlib\n",bpp,req_w,req_h);
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return(1);
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}
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break;
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case 24: if (!(bpp_avail & BPP_24)) {
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printf("vo_svga: %dbpp not supported in %dx%d (or larger resoltuion) by HW or SVGAlib\n",bpp,req_w,req_h);
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return(1);
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}
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break;
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case 16: if (!(bpp_avail & BPP_16)) {
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printf("vo_svga: %dbpp not supported in %dx%d (or larger resoltuion) by HW or SVGAlib\n",bpp,req_w,req_h);
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return(1);
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}
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break;
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case 15: if (!(bpp_avail & BPP_15)) {
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printf("vo_svga: %dbpp not supported in %dx%d (or larger resoltuion) by HW or SVGAlib\n",bpp,req_w,req_h);
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return(1);
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}
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break;
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}
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}
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list = modelist;
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if (verbose) {
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printf("vo_svga: Looking for the best resolution...\n");
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printf("vo_svga: req_w: %d, req_h: %d, bpp: %d\n",req_w,req_h,bpp);
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}
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while (list != NULL) {
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if ((list->modeinfo.width >= req_w) && (list->modeinfo.height >= req_h)) {
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if (verbose) {
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switch (list->modeinfo.colors) {
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case 32768: printf("vo_svga: vid_mode: %d, %dx%d 15bpp\n",
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list->modenum,list->modeinfo.width,list->modeinfo.height);
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break;
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case 65536: printf("vo_svga: vid_mode: %d, %dx%d 16bpp\n",
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list->modenum,list->modeinfo.width,list->modeinfo.height);
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break;
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}
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switch (list->modeinfo.bytesperpixel) {
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case 3: printf("vo_svga: vid_mode: %d, %dx%d 24bpp\n",
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list->modenum,list->modeinfo.width,list->modeinfo.height);
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break;
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case 4: printf("vo_svga: vid_mode: %d, %dx%d 32bpp\n",
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list->modenum,list->modeinfo.width,list->modeinfo.height);
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break;
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}
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}
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switch (bpp) {
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case 32: if (list->modeinfo.bytesperpixel == 4)
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if ((list->modeinfo.width < buf_w) || (list->modeinfo.height < buf_h)) {
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vid_mode = list->modenum;
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buf_w = list->modeinfo.width;
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buf_h = list->modeinfo.height;
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res_widescr = (((buf_w*1.0)/buf_h) > (4.0/3)) ? 1 : 0;
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}
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break;
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case 24: if (list->modeinfo.bytesperpixel == 3)
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if ((list->modeinfo.width < buf_w) || (list->modeinfo.height < buf_h)) {
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vid_mode = list->modenum;
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buf_w = list->modeinfo.width;
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buf_h = list->modeinfo.height;
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res_widescr = (((buf_w*1.0)/buf_h) > (4.0/3)) ? 1 : 0;
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}
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break;
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case 16: if (list->modeinfo.colors == 65536)
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if ((list->modeinfo.width < buf_w) || (list->modeinfo.height < buf_h)) {
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vid_mode = list->modenum;
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buf_w = list->modeinfo.width;
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buf_h = list->modeinfo.height;
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res_widescr = (((buf_w*1.0)/buf_h) > (4.0/3)) ? 1 : 0;
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}
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break;
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case 15: if (list->modeinfo.colors == 32768)
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if ((list->modeinfo.width < buf_w) || (list->modeinfo.height < buf_h)) {
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vid_mode = list->modenum;
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buf_w = list->modeinfo.width;
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buf_h = list->modeinfo.height;
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res_widescr = (((buf_w*1.0)/buf_h) > (4.0/3)) ? 1 : 0;
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}
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break;
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}
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}
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list = list->next;
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}
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if((vo_subdevice) && (strlen(vo_subdevice)>2)) {
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if(!strncmp(vo_subdevice,"old",3)) {
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oldmethod=1;
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vo_subdevice+=3;
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if( *vo_subdevice == ',' ) vo_subdevice++;
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}
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}
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if((vo_subdevice) && *vo_subdevice) {
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int vm;
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vm=vga_getmodenumber(vo_subdevice);
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list=modelist;
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while(list) {
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if(list->modenum == vm) {
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buf_w = list->modeinfo.width;
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buf_h = list->modeinfo.height;
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res_widescr = (((buf_w*1.0)/buf_h) > (4.0/3)) ? 1 : 0;
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switch(list->modeinfo.colors) {
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case 32768:
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bpp=16;
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bpp_conv=1;
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break;
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case 65536:
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bpp=16;
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bpp_conv=0;
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break;
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case (1<<24):
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if(list->modeinfo.bytesperpixel == 3) {
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bpp=32;
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bpp_conv=1;
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} else {
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bpp=32;
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bpp_conv=0;
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}
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break;
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}
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vid_mode=vm;
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list=NULL;
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} else list=list->next;
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}
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}
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if (verbose)
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printf("vo_svga: vid_mode: %d\n",vid_mode);
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if (vga_setmode(vid_mode) == -1) {
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printf("vo_svga: vga_setmode(%d) failed.\n",vid_mode);
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uninit();
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return(1); // error
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}
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WIDTH=vga_getxdim();
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HEIGHT=vga_getydim();
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BYTESPERPIXEL=(bpp+1)>>3;
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LINEWIDTH=WIDTH*BYTESPERPIXEL;
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vga_setlinearaddressing();
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if(oldmethod) {
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buffer=malloc(HEIGHT*LINEWIDTH);
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maxframes=0;
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}
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vga_claimvideomemory((maxframes+1)*HEIGHT*LINEWIDTH);
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GRAPH_MEM=vga_getgraphmem();
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frame=0;
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fillbox(0,0,WIDTH,HEIGHT*(maxframes+1),0);
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orig_w = width;
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orig_h = height;
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maxw = orig_w;
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maxh = orig_h;
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if (bpp_conv) {
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bppbuf = malloc(maxw * maxh * BYTESPERPIXEL);
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if (bppbuf == NULL) {
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printf("vo_svga: bppbuf -> Not enough memory for buffering!\n");
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uninit();
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return (1);
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}
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}
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x_pos = (WIDTH - maxw) / 2;
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y_pos = (HEIGHT - maxh) / 2;
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if (pformat == IMGFMT_YV12) {
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yuv2rgb_init(bpp, MODE_RGB);
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yuvbuf = malloc(maxw * maxh * BYTESPERPIXEL);
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if (yuvbuf == NULL) {
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printf("vo_svga: yuvbuf -> Not enough memory for buffering!\n");
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uninit();
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return (1);
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}
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}
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printf("vo_svga: SVGAlib resolution: %dx%d %dbpp - ", WIDTH, HEIGHT, bpp);
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if (maxw != orig_w || maxh != orig_h) printf("Video scaled to: %dx%d\n",maxw,maxh);
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else printf("No video scaling\n");
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vga_setdisplaystart(0);
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return (0);
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}
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static const vo_info_t* get_info(void) {
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return (&vo_info);
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}
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static uint32_t draw_frame(uint8_t *src[]) {
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if (pformat == IMGFMT_YV12) {
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yuv2rgb(yuvbuf, src[0], src[1], src[2], orig_w, orig_h, orig_w * BYTESPERPIXEL, orig_w, orig_w / 2);
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src[0] = yuvbuf;
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}
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if (bpp_conv) {
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switch(bpp) {
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case 32: {
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uint8_t *source = src[0];
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uint8_t *dest = bppbuf;
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register uint32_t i = 0;
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while (i < (maxw * maxh * 4)) {
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dest[i] = source[i];
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dest[i+1] = source[i+1];
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dest[i+2] = source[i+2];
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dest[i+3] = 0;
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i += 4;
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}
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} break;
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case 16: {
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rgb15to16(src[0],bppbuf,maxw * maxh * 2);
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} break;
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}
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src[0] = bppbuf;
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}
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putbox(x_pos, y_pos, maxw, maxh, src[0], 1);
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return (0);
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}
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static uint32_t draw_slice(uint8_t *image[], int stride[],
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int w, int h, int x, int y) {
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uint8_t *src = yuvbuf;
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uint32_t sw, sh;
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yuv2rgb(yuvbuf, image[0], image[1], image[2], w, h, orig_w * BYTESPERPIXEL, stride[0], stride[1]);
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putbox(x + x_pos, y + y_pos, w, h, src, 1);
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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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if(oldmethod) {
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if (y_pos) {
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fillbox(0, 0, WIDTH, y_pos, 0);
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fillbox(0, HEIGHT - y_pos, WIDTH, y_pos, 0);
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if (x_pos) {
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int hmy=HEIGHT - (y_pos<<1);
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fillbox(0, y_pos, x_pos, hmy, 0);
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fillbox(WIDTH - x_pos, y_pos, x_pos, hmy, 0);
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}
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} else if (x_pos) {
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fillbox(0, y_pos, x_pos, HEIGHT, 0);
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fillbox(WIDTH - x_pos, y_pos, x_pos, HEIGHT, 0);
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}
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vo_draw_text(WIDTH, HEIGHT, draw_alpha);
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} else
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vo_draw_text(maxw, maxh, draw_alpha);
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}
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static void flip_page(void) {
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if(oldmethod) {
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int i;
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uint8_t *b;
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b=buffer;
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for(i=0;i<HEIGHT;i++){
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vga_drawscansegment(b,0,i,LINEWIDTH);
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b+=LINEWIDTH;
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}
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} else {
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if(maxframes) {
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vga_setdisplaystart(frame*HEIGHT*LINEWIDTH);
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frame++;
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if(frame>maxframes)frame=0;
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}
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}
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}
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static void check_events(void) {
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}
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static void uninit(void) {
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vga_modelist_t *list = modelist;
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vga_setmode(TEXT);
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if (bppbuf != NULL)
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free(bppbuf);
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if (yuvbuf != NULL)
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free(yuvbuf);
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while (modelist != NULL) {
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list=modelist;
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modelist=modelist->next;
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free(list);
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}
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checked = 0;
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}
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/* --------------------------------------------------------------------- */
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static uint32_t add_mode(uint16_t mode, vga_modeinfo minfo) {
|
|
vga_modelist_t *list;
|
|
|
|
if (modelist == NULL) {
|
|
modelist = (vga_modelist_t *) malloc(sizeof(vga_modelist_t));
|
|
if (modelist == NULL) {
|
|
printf("vo_svga: add_mode() failed. Not enough memory for modelist.");
|
|
return(1); // error
|
|
}
|
|
modelist->modenum = mode;
|
|
modelist->modeinfo = minfo;
|
|
modelist->next = NULL;
|
|
} else {
|
|
list = modelist;
|
|
while (list->next != NULL)
|
|
list = list->next;
|
|
list->next = (vga_modelist_t *) malloc(sizeof(vga_modelist_t));
|
|
if (list->next == NULL) {
|
|
printf("vo_svga: add_mode() failed. Not enough memory for modelist.");
|
|
return(1); // error
|
|
}
|
|
list = list->next;
|
|
list->modenum = mode;
|
|
list->modeinfo = minfo;
|
|
list->next = NULL;
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int checksupportedmodes() {
|
|
uint16_t i, max;
|
|
vga_modeinfo *minfo;
|
|
|
|
checked = 1;
|
|
getch2_disable();
|
|
vga_init();
|
|
vga_disabledriverreport();
|
|
max = vga_lastmodenumber();
|
|
if (verbose >= 2)
|
|
printf("vo_svga: Max mode : %i\n",max);
|
|
for (i = 1; i <= max; i++)
|
|
if (vga_hasmode(i) > 0) {
|
|
minfo = vga_getmodeinfo(i);
|
|
switch (minfo->colors) {
|
|
case 32768: bpp_avail |= BPP_15; break;
|
|
case 65536: bpp_avail |= BPP_16; break;
|
|
}
|
|
switch (minfo->bytesperpixel) {
|
|
case 3: bpp_avail |= BPP_24; break;
|
|
case 4: bpp_avail |= BPP_32; break;
|
|
}
|
|
if (verbose >= 2)
|
|
printf("vo_svga: Mode found: %s\n",vga_getmodename(i));
|
|
if (add_mode(i, *minfo))
|
|
return(1);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
|
|
static uint32_t query_format(uint32_t format) {
|
|
uint32_t res = 0;
|
|
|
|
if (!checked) {
|
|
if (checksupportedmodes()) // Looking for available video modes
|
|
return(0);
|
|
}
|
|
|
|
// if (vo_dbpp) => There is NO conversion!!!
|
|
if (vo_dbpp) {
|
|
if (format == IMGFMT_YV12) return (1);
|
|
switch (vo_dbpp) {
|
|
case 32: if ((format == IMGFMT_RGB32) || (format == IMGFMT_BGR32))
|
|
return ((bpp_avail & BPP_32) ? 1 : 0);
|
|
break;
|
|
case 24: if ((format == IMGFMT_RGB24) || (format == IMGFMT_BGR24))
|
|
return ((bpp_avail & BPP_24) ? 1 : 0);
|
|
break;
|
|
case 16: if ((format == IMGFMT_RGB16) || (format == IMGFMT_BGR16))
|
|
return ((bpp_avail & BPP_16) ? 1 : 0);
|
|
break;
|
|
case 15: if ((format == IMGFMT_RGB15) || (format == IMGFMT_BGR15))
|
|
return ((bpp_avail & BPP_15) ? 1 : 0);
|
|
break;
|
|
}
|
|
} else {
|
|
switch (format) {
|
|
case IMGFMT_RGB32:
|
|
case IMGFMT_BGR32: return ((bpp_avail & BPP_32) ? 1 : 0); break;
|
|
case IMGFMT_RGB24:
|
|
case IMGFMT_BGR24: {
|
|
res = (bpp_avail & BPP_24) ? 1 : 0;
|
|
if (!res)
|
|
res = (bpp_avail & BPP_32) ? 1 : 0;
|
|
return (res);
|
|
} break;
|
|
case IMGFMT_RGB16:
|
|
case IMGFMT_BGR16: return ((bpp_avail & BPP_16) ? 1 : 0); break;
|
|
case IMGFMT_RGB15:
|
|
case IMGFMT_BGR15: {
|
|
res = (bpp_avail & BPP_15) ? 1 : 0;
|
|
if (!res)
|
|
res = (bpp_avail & BPP_16) ? 1 : 0;
|
|
return (res);
|
|
} break;
|
|
case IMGFMT_YV12: return (1); break;
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void putbox(int x, int y, int w, int h, uint8_t *buf, int prog) {
|
|
int base, add, wid;
|
|
if(oldmethod) {
|
|
wid=w*BYTESPERPIXEL;
|
|
add=wid*prog;
|
|
while( (h--) > 0 ) {
|
|
memcpy(buffer+x*BYTESPERPIXEL+(y++)*LINEWIDTH, buf, wid);
|
|
buf+=add;
|
|
}
|
|
} else {
|
|
wid=w*BYTESPERPIXEL;
|
|
add=wid*prog;
|
|
base=frame*HEIGHT;
|
|
while( (h--) > 0 ) {
|
|
vga_drawscansegment(buf, x, (y++)+base, wid);
|
|
buf+=add;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void fillbox(int x, int y, int w, int h, uint32_t c) {
|
|
putbox(x,y,w,h,buf0,0);
|
|
}
|
|
|
|
static void draw_alpha(int x0, int y0, int w, int h, unsigned char *src,
|
|
unsigned char *srca, int stride) {
|
|
int base;
|
|
|
|
if(oldmethod) {
|
|
base=buffer;
|
|
} else
|
|
base=((frame*HEIGHT+y_pos)*WIDTH+x_pos)*BYTESPERPIXEL + GRAPH_MEM ;
|
|
|
|
switch (bpp) {
|
|
case 32:
|
|
vo_draw_alpha_rgb32(w, h, src, srca, stride, base+4*(y0*WIDTH+x0), 4*WIDTH);
|
|
break;
|
|
case 24:
|
|
vo_draw_alpha_rgb24(w, h, src, srca, stride, base+3*(y0*WIDTH+x0), 3*WIDTH);
|
|
break;
|
|
case 16:
|
|
vo_draw_alpha_rgb16(w, h, src, srca, stride, base+2*(y0*WIDTH+x0), 2*WIDTH);
|
|
break;
|
|
case 15:
|
|
vo_draw_alpha_rgb15(w, h, src, srca, stride, base+2*(y0*WIDTH+x0), 2*WIDTH);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint32_t get_image(mp_image_t *mpi)
|
|
{
|
|
if (/* zoomFlag || */
|
|
!IMGFMT_IS_BGR(mpi->imgfmt) ||
|
|
((mpi->type != MP_IMGTYPE_STATIC) && (mpi->type != MP_IMGTYPE_TEMP)) ||
|
|
(mpi->flags & MP_IMGFLAG_PLANAR) ||
|
|
(mpi->flags & MP_IMGFLAG_YUV) /*
|
|
(mpi->width != image_width) ||
|
|
(mpi->height != image_height) */
|
|
)
|
|
return(VO_FALSE);
|
|
|
|
/*
|
|
if (Flip_Flag)
|
|
{
|
|
mpi->stride[0] = -image_width*((bpp+7)/8);
|
|
mpi->planes[0] = ImageData - mpi->stride[0]*(image_height-1);
|
|
}
|
|
else
|
|
*/
|
|
{
|
|
mpi->stride[0] = LINEWIDTH;
|
|
if(oldmethod) {
|
|
mpi->planes[0] = buffer;
|
|
} else
|
|
mpi->planes[0] = GRAPH_MEM;
|
|
}
|
|
mpi->flags |= MP_IMGFLAG_DIRECT;
|
|
|
|
return(VO_TRUE);
|
|
}
|
|
|