vo_tdfx_vid.c

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C语言 代码 · 共 670 行 · 第 1/2 页

/* 
 *  vo_tdfx_vid.c
 *
 *	Copyright (C) Alban Bedel - 03/2003
 *
 *  This file is part of MPlayer, a free movie player.
 *	
 *  MPlayer is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  MPlayer is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License along
 *  with MPlayer; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <mplaylib.h>
#include <mplaylib.h>
#include <mplaylib.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <mplaylib.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "aspect.h"
#include "mp_msg.h"
#include "help_mp.h"

#include "fastmemcpy.h"
#include "drivers/tdfx_vid.h"


static vo_info_t info = 
{
	"tdfx vid",
	"tdfx_vid",
	"Albeu",
	""
};

//#define VERBOSE

LIBVO_EXTERN(tdfx_vid)

static tdfx_vid_config_t tdfx_cfg;

static unsigned char* agp_mem = NULL;
static int tdfx_fd = -1;

static uint32_t img_fmt; // The real input format
static uint32_t src_width, src_height, src_fmt, src_bpp, src_stride;
static uint32_t dst_width, dst_height, dst_fmt, dst_bpp, dst_stride;

static uint32_t tdfx_page;
static uint32_t front_buffer;
static uint32_t back_buffer;
static uint8_t num_buffer = 3;
static uint32_t buffer_size; // Max size
static uint8_t current_buffer = 0;
static uint8_t current_ip_buf = 0;
static uint32_t buffer_stride[3];

static int use_overlay = 1;
static tdfx_vid_overlay_t tdfx_ov;

// FIXME
static void clear_screen(void) {
  tdfx_vid_agp_move_t mov;

  memset(agp_mem,0,tdfx_cfg.screen_width*dst_bpp*tdfx_cfg.screen_height);
  
  mov.move2 = TDFX_VID_MOVE_2_PACKED;
  mov.width = tdfx_cfg.screen_width*dst_bpp;
  mov.height = tdfx_cfg.screen_height;
  mov.src = 0;
  mov.src_stride = tdfx_cfg.screen_width*dst_bpp;
  mov.dst = front_buffer;
  mov.dst_stride = tdfx_cfg.screen_stride;

  mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_TDFXVID_Move, mov.width,mov.src_stride,mov.height,mov.dst_stride);

  if(ioctl(tdfx_fd,TDFX_VID_AGP_MOVE,&mov))
    mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_TDFXVID_AGPMoveFailedToClearTheScreen);
  
}

static int draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
  uint8_t* ptr[3];

#ifdef VERBOSE
  printf("Draw slices %d\n",current_buffer);
#endif
  switch(img_fmt) {
  case IMGFMT_YUY2:
  case IMGFMT_UYVY:
  case IMGFMT_BGR8:
  case IMGFMT_BGR16:
  case IMGFMT_BGR24:
  case IMGFMT_BGR32:
    // copy :( to agp_mem
    // still faster than tdfxfb wich directly copy to the video mem :)
    mem2agpcpy_pic(agp_mem + current_buffer * buffer_size + 
	       y*buffer_stride[0] + x * src_bpp,
	       image[0],
	       src_bpp*w,h,buffer_stride[0],stride[0]);
    return 0;

  case IMGFMT_YV12:
  case IMGFMT_I420:
    // Copy to agp mem
    ptr[0] = agp_mem + current_buffer * buffer_size;
    mem2agpcpy_pic(ptr[0] + y * buffer_stride[0] + x,image[0],w,h,
		   buffer_stride[0],stride[0]);
    ptr[1] = ptr[0] + (src_height*src_width);
    mem2agpcpy_pic(ptr[1] + y/2 * buffer_stride[1] + x/2,image[1],w/2,h/2,
		   buffer_stride[1],stride[1]);
    ptr[2] = ptr[1] + (src_height*src_width/4);
    mem2agpcpy_pic(ptr[2] + y/2 * buffer_stride[2] + x/2,image[2],w/2,h/2,
		   buffer_stride[2],stride[2]);
    return 0;
  }
    
  return 1;
}

static void draw_osd(void)
{
}

static void
flip_page(void)
{
  tdfx_vid_blit_t blit;
  //return;
  // Scale convert
#ifdef VERBOSE
  printf("Flip\n");
#endif
  if(use_overlay) {
    // TDFX_VID_OVERLAY_ON does nothing if the overlay is already on
    if(!ioctl(tdfx_fd,TDFX_VID_OVERLAY_ON)) { // X11 killed the overlay :(
      if(ioctl(tdfx_fd,TDFX_VID_SET_OVERLAY,&tdfx_ov))
	mp_msg(MSGT_VO, MSGL_ERR, "tdfx_vid: set_overlay failed\n");
    }
    // These formats need conversion
    switch(src_fmt) {
    case IMGFMT_BGR8:
    case IMGFMT_BGR24:
    case IMGFMT_BGR32:
      memset(&blit,0,sizeof(tdfx_vid_blit_t));
      blit.src = back_buffer;
      blit.src_stride = src_stride;
      blit.src_x = 0;
      blit.src_y = 0;
      blit.src_w = src_width;
      blit.src_h = src_height;
      blit.src_format = src_fmt;
      
      blit.dst = front_buffer;
      blit.dst_stride = dst_stride;
      blit.dst_x = 0;
      blit.dst_y = 0;
      blit.dst_w = src_width;
      blit.dst_h = src_height;
      blit.dst_format = IMGFMT_BGR16;
      if(ioctl(tdfx_fd,TDFX_VID_BLIT,&blit))
	mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_TDFXVID_BlitFailed);
    }
    return;
  }
  memset(&blit,0,sizeof(tdfx_vid_blit_t));
  blit.src = back_buffer;
  blit.src_stride = src_stride;
  blit.src_x = 0;
  blit.src_y = 0;
  blit.src_w = src_width;
  blit.src_h = src_height;
  blit.src_format = src_fmt;

  blit.dst = front_buffer;
  blit.dst_stride = dst_stride;
  blit.dst_x = 0;
  blit.dst_y = 0;
  blit.dst_w = dst_width;
  blit.dst_h = dst_height;
  blit.dst_format = dst_fmt;

  if(ioctl(tdfx_fd,TDFX_VID_BLIT,&blit))
    mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_TDFXVID_BlitFailed);
}

static int
draw_frame(uint8_t *src[])
{
  int stride[] = { src_stride, 0, 0};
  return draw_slice(src,stride,src_width, src_height,0,0);
}

static int
query_format(uint32_t format)
{
  switch(format) {
  case IMGFMT_BGR8:
    if(tdfx_cfg.screen_format == TDFX_VID_FORMAT_BGR8)
      return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
    return 0;
  case IMGFMT_YUY2:
  case IMGFMT_UYVY:
  case IMGFMT_BGR15:
  case IMGFMT_BGR16:
  case IMGFMT_BGR24:
  case IMGFMT_BGR32:
  case IMGFMT_YV12:
  case IMGFMT_I420:
    if(tdfx_cfg.screen_format == TDFX_VID_FORMAT_BGR8)
      return 0;
    return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
  }
  return 0;
}

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)
{

  if(tdfx_fd < 0)
    return 1;
  // When we are run as sub vo we must follow the size gaven to us
  if(!(flags & VOFLAG_XOVERLAY_SUB_VO)) {
    if(!vo_screenwidth)
      vo_screenwidth = tdfx_cfg.screen_width;
    if(!vo_screenheight)
      vo_screenheight = tdfx_cfg.screen_height;
    
    aspect_save_orig(width,height);
    aspect_save_prescale(d_width,d_height);
    aspect_save_screenres(vo_screenwidth,vo_screenheight);
    
    if(flags&VOFLAG_FULLSCREEN) { /* -fs */
      aspect(&d_width,&d_height,A_ZOOM);
      vo_fs = VO_TRUE;
    } else {
      aspect(&d_width,&d_height,A_NOZOOM);
      vo_fs = VO_FALSE;
    }
  }
  src_width = width;
  src_height = height;
  buffer_size = 0;
  buffer_stride[0] = 0;
  src_fmt = 0;
  switch(format) {
  case IMGFMT_BGR8:
  case IMGFMT_BGR24:
  case IMGFMT_BGR32:
    if(use_overlay)
      mp_msg(MSGT_VO,MSGL_INFO, MSGTR_LIBVO_TDFXVID_NonNativeOverlayFormatNeedConversion);
  case IMGFMT_BGR15:
  case IMGFMT_BGR16:
    src_bpp = ((format & 0x3F)+7)/8; 
    break;
  case IMGFMT_YV12:
  case IMGFMT_I420:
    buffer_size = src_width * src_height * 3 / 2;
    buffer_stride[0] = ((src_width+1)/2)*2;
    buffer_stride[1] = buffer_stride[2] = buffer_stride[0]/2;
    src_fmt = TDFX_VID_FORMAT_YUY2;
  case IMGFMT_YUY2:
  case IMGFMT_UYVY: 
    src_bpp = 2;
    break;
  default:
    mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_TDFXVID_UnsupportedInputFormat,format);
    return 1;
  }

  img_fmt = format;
  src_stride = src_width*src_bpp;
  // The overlay need a 4 bytes aligned stride
  if(use_overlay)
    src_stride = ((src_stride+3)/4)*4;
  if(!src_fmt)
    src_fmt = format;
  if(!buffer_size)
    buffer_size = src_stride*src_height;
  if(!buffer_stride[0])
    buffer_stride[0] = src_stride;

  dst_fmt = tdfx_cfg.screen_format;
  dst_bpp = ((dst_fmt & 0x3F)+7)/8;
  dst_width = d_width;
  dst_height = d_height;
  dst_stride = tdfx_cfg.screen_stride;

  tdfx_page =  tdfx_cfg.screen_stride*tdfx_cfg.screen_height;
  front_buffer = tdfx_cfg.screen_start;
  back_buffer = front_buffer + tdfx_page;

  while(use_overlay) {
    tdfx_vid_overlay_t ov;
    uint32_t ov_fmt = src_fmt, ov_stride = src_stride;
    // Align the buffer
    back_buffer = (((back_buffer+3)/4)*4);
    // With the overlay the front buffer is not on the screen
    // so we take the back buffer
    front_buffer = back_buffer;
    switch(src_fmt) {
    case IMGFMT_BGR8:
    case IMGFMT_BGR24:
    case IMGFMT_BGR32:
      back_buffer = front_buffer + 2*(src_stride*src_height);
      ov_stride = dst_stride = src_width<<1;
      ov_fmt = IMGFMT_BGR16;
      break;
    }
    ov.src[0] = front_buffer;
    ov.src[1] = front_buffer + (src_stride*src_height);
    ov.src_width = src_width;
    ov.src_height = src_height;
    ov.src_stride = ov_stride;
    ov.format = ov_fmt;
    ov.dst_width = dst_width;
    ov.dst_height = dst_height;