vosub_vidix.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 747 行 · 第 1/2 页

/*
 *  vosub_vidix.c
 *
 *	Copyright (C) Nick Kurshev <[e-mail]> - 2002
 *	Copyright (C) Alex Beregszaszi
 *
 *  You can redistribute this file under terms and conditions
 *  of GNU General Public licence v2.
 *
 * This file contains vidix interface to any mplayer's VO plugin.
 * (Partly based on vesa_lvo.c from mplayer's package)
 */

#include <inttypes.h>
#include <mplaylib.h>
#include <fcntl.h>
#ifndef __MINGW32__
#include <sys/ioctl.h>
#include <sys/mman.h>
#endif
#include <mplaylib.h>
#include <mplaylib.h>
#include <mplaylib.h>
#include <errno.h>

#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"

#include "vosub_vidix.h"
#include "vidix/vidixlib.h"
#include "fastmemcpy.h"
#include "osd.h"
#include "video_out.h"
#include "sub.h"

#include "libmpcodecs/vfcap.h"
#include "libmpcodecs/mp_image.h"

#define NUM_FRAMES VID_PLAY_MAXFRAMES /* Temporary: driver will overwrite it */

static VDL_HANDLE vidix_handler = NULL;
static uint8_t *vidix_mem = NULL;
static uint8_t next_frame;
static unsigned image_Bpp,image_height,image_width,src_format,forced_fourcc=0;
static int video_on=0;

static vidix_capability_t vidix_cap;
static vidix_playback_t   vidix_play;
static vidix_fourcc_t	  vidix_fourcc;
static vo_functions_t *   vo_server;
static vidix_yuv_t	  dstrides;
/*static uint32_t (*server_control)(uint32_t request, void *data, ...);*/
#undef memcpy
#define memcpy uc_memcpy
int vidix_start(void)
{
    int err;
    if((err=vdlPlaybackOn(vidix_handler))!=0)
    {
	mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SUB_VIDIX_CantStartPlayback,strerror(err));
	return -1;
    }
    video_on=1;
    return 0;
}

int vidix_stop(void)
{
    int err;
    if((err=vdlPlaybackOff(vidix_handler))!=0)
    {
	mp_msg(MSGT_VO,MSGL_ERR, MSGTR_LIBVO_SUB_VIDIX_CantStopPlayback,strerror(err));
	return -1;
    }
    video_on=0;
    return 0;
}

void vidix_term( void )
{
  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
    mp_msg(MSGT_VO,MSGL_DBG2, "vosub_vidix: vidix_term() was called\n"); }
	vidix_stop();
	vdlClose(vidix_handler);
//  ((vo_functions_t *)vo_server)->control=server_control;
}

static uint32_t vidix_draw_slice_420(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
    uint8_t *src;
    uint8_t *dest;
    int i;

    /* Plane Y */
    dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
    dest += dstrides.y*y + x;
    src = image[0];
    for(i=0;i<h;i++){
        memcpy(dest,src,w);
        src+=stride[0];
        dest += dstrides.y;
    }

    if (vidix_play.flags & VID_PLAY_INTERLEAVED_UV)
    {
        int hi,wi;
        uint8_t *src2;
        dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
        dest += dstrides.y*y/2 + x; // <- is this correct ?
        h/=2;
        w/=2;
        src = image[1];
        src2 = image[2];
        for(hi = 0; hi < h; hi++)
        {
            for(wi = 0; wi < w; wi++)
            {
                dest[2*wi+0] = src[wi];
                dest[2*wi+1] = src2[wi];
            }
            dest += dstrides.y;
            src += stride[1];
	    src2+= stride[2];
	}
    }
    else 
    {
		/* Plane V */
		dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
		dest += dstrides.v*y/4 + x;
		src = image[1];
		for(i=0;i<h/2;i++){
			memcpy(dest,src,w/2);
			src+=stride[1];
			dest+=dstrides.v/2;
		}

		/* Plane U */
		dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.u;
		dest += dstrides.u*y/4 + x;
		src = image[2];
		for(i=0;i<h/2;i++){
			memcpy(dest,src,w/2);
			src+=stride[2];
			dest += dstrides.u/2;
		}
		return 0;
    }
    return -1;
}

static uint32_t vidix_draw_slice_410(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
    uint8_t *src;
    uint8_t *dest;
    int i;

    /* Plane Y */
    dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
    dest += dstrides.y*y + x;
    src = image[0];
    for(i=0;i<h;i++){
        memcpy(dest,src,w);
        src+=stride[0];
        dest += dstrides.y;
    }
    
    if (vidix_play.flags & VID_PLAY_INTERLEAVED_UV)
    {
	mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SUB_VIDIX_InterleavedUvForYuv410pNotSupported);
    }
    else 
    {
		/* Plane V */
		dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.v;
		dest += dstrides.v*y/8 + x;
		src = image[1];
		for(i=0;i<h/4;i++){
			memcpy(dest,src,w/4);
			src+=stride[1];
			dest+=dstrides.v/4;
		}

		/* Plane U */
		dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.u;
		dest += dstrides.u*y/8 + x;
		src = image[2];
		for(i=0;i<h/4;i++){
			memcpy(dest,src,w/4);
			src+=stride[2];
			dest += dstrides.u/4;
		}
		return 0;
    }
    return -1;
}

static uint32_t vidix_draw_slice_410_fast(uint8_t *image[], int stride[], int w, int h, int x, int y)
{
    uint8_t *src;
    uint8_t *dest;

    dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
    dest += dstrides.y*y + x;
    src = image[0];
    memcpy(dest, src, dstrides.y*h*9/8);
    return 0;
}

static uint32_t vidix_draw_slice_400(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
    uint8_t *src;
    uint8_t *dest;
    int i;

    dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
    dest += dstrides.y*y + x;
    src = image[0];
    for(i=0;i<h;i++){
        memcpy(dest,src,w);
        src+=stride[0];
        dest += dstrides.y;
    }
    return 0;
}

static uint32_t vidix_draw_slice_packed(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
    uint8_t *src;
    uint8_t *dest;
    int i;

    dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
    dest += dstrides.y*y + x;
    src = image[0];
    for(i=0;i<h;i++){
        memcpy(dest,src,w*image_Bpp);
        src+=stride[0];
        dest += dstrides.y;
    }
    return 0;
}

uint32_t vidix_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
    mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SUB_VIDIX_DummyVidixdrawsliceWasCalled);
    return -1;
}

static uint32_t  vidix_draw_image(mp_image_t *mpi){
    if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
      mp_msg(MSGT_VO,MSGL_DBG2, "vosub_vidix: vidix_draw_image() was called\n"); }

    // if -dr or -slices then do nothing:
    if(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK)) return VO_TRUE;

    vo_server->draw_slice(mpi->planes,mpi->stride,
	vidix_play.src.w,vidix_play.src.h,vidix_play.src.x,vidix_play.src.y);
    return VO_TRUE;
}

uint32_t vidix_draw_frame(uint8_t *image[])
{
  mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SUB_VIDIX_DummyVidixdrawframeWasCalled);
  return -1;
}

void     vidix_flip_page(void)
{
  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
    mp_msg(MSGT_VO,MSGL_DBG2, "vosub_vidix: vidix_flip_page() was called\n"); }
  if(vo_doublebuffering)
  {
	vdlPlaybackFrameSelect(vidix_handler,next_frame);
	next_frame=(next_frame+1)%vidix_play.num_frames;
  }	
}

static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
    uint32_t apitch,bespitch;
    void *lvo_mem;
    lvo_mem = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
    apitch = vidix_play.dest.pitch.y-1;
    switch(vidix_play.fourcc){
    case IMGFMT_YV12:
    case IMGFMT_IYUV:
    case IMGFMT_I420:
    case IMGFMT_YVU9:
    case IMGFMT_IF09:
    case IMGFMT_Y8:
    case IMGFMT_Y800:
	bespitch = (vidix_play.src.w + apitch) & (~apitch);
        vo_draw_alpha_yv12(w,h,src,srca,stride,lvo_mem+bespitch*y0+x0,bespitch);
        break;
    case IMGFMT_YUY2:
	bespitch = (vidix_play.src.w*2 + apitch) & (~apitch);
        vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+bespitch*y0+2*x0,bespitch);
        break;
    case IMGFMT_UYVY:
	bespitch = (vidix_play.src.w*2 + apitch) & (~apitch);
        vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+bespitch*y0+2*x0+1,bespitch);
        break;
    case IMGFMT_RGB32:
    case IMGFMT_BGR32:
	bespitch = (vidix_play.src.w*4 + apitch) & (~apitch);
	vo_draw_alpha_rgb32(w,h,src,srca,stride,lvo_mem+y0*bespitch+4*x0,bespitch);
        break;
    case IMGFMT_RGB24:
    case IMGFMT_BGR24:
	bespitch = (vidix_play.src.w*3 + apitch) & (~apitch);
	vo_draw_alpha_rgb24(w,h,src,srca,stride,lvo_mem+y0*bespitch+3*x0,bespitch);
        break;
    case IMGFMT_RGB16:
    case IMGFMT_BGR16:
	bespitch = (vidix_play.src.w*2 + apitch) & (~apitch);
	vo_draw_alpha_rgb16(w,h,src,srca,stride,lvo_mem+y0*bespitch+2*x0,bespitch);
        break;
    case IMGFMT_RGB15:
    case IMGFMT_BGR15:
	bespitch = (vidix_play.src.w*2 + apitch) & (~apitch);
	vo_draw_alpha_rgb15(w,h,src,srca,stride,lvo_mem+y0*bespitch+2*x0,bespitch);
        break;
    default:
	return;
    }
}

void     vidix_draw_osd(void)
{
  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
    mp_msg(MSGT_VO,MSGL_DBG2, "vosub_vidix: vidix_draw_osd() was called\n"); }
  /* TODO: hw support */
  vo_draw_text(vidix_play.src.w,vidix_play.src.h,draw_alpha);
}

uint32_t vidix_query_fourcc(uint32_t format)
{
  if( mp_msg_test(MSGT_VO,MSGL_DBG2) ) {
    mp_msg(MSGT_VO,MSGL_DBG2, "vosub_vidix: query_format was called: %x (%s)\n",format,vo_format_name(format)); }
  vidix_fourcc.fourcc = format;
  vdlQueryFourcc(vidix_handler,&vidix_fourcc);
  if (vidix_fourcc.depth == VID_DEPTH_NONE)
    return 0;
  return VFCAP_CSP_SUPPORTED|VFCAP_CSP_SUPPORTED_BY_HW|VFCAP_HWSCALE_UP|VFCAP_HWSCALE_DOWN|VFCAP_OSD|VFCAP_ACCEPT_STRIDE;
}

int vidix_grkey_support(void)
{
    return(vidix_fourcc.flags & VID_CAP_COLORKEY);
}

int vidix_grkey_get(vidix_grkey_t *gr_key)
{
    return(vdlGetGrKeys(vidix_handler, gr_key));
}

int vidix_grkey_set(const vidix_grkey_t *gr_key)
{
    return(vdlSetGrKeys(vidix_handler, gr_key));
}


static int  vidix_get_video_eq(vidix_video_eq_t *info)
{
  if(!video_on) return EPERM;
  return vdlPlaybackGetEq(vidix_handler, info);
}

static int  vidix_set_video_eq(const vidix_video_eq_t *info)
{
  if(!video_on) return EPERM;
  return vdlPlaybackSetEq(vidix_handler, info);