aboutsummaryrefslogtreecommitdiffhomepage
path: root/libvo/vesa_lvo.c
blob: 5ce0b6e7333022c7a1c8c7341cee5fa504de9703 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
/*
 *  vesa_lvo.c
 *
 *	Copyright (C) Nick Kurshev <nickols_k@mail.ru> - Oct 2001
 *
 *  You can redistribute this file under terms and conditions
 *  of GNU General Public licence v2.
 *
 * This file contains vo_vesa interface to Linux Video Overlay.
 * (Partly based on vo_mga.c from mplayer's package)
 */

#include <inttypes.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "config.h"

#include "vesa_lvo.h"
#include "img_format.h"
#include "../drivers/mga_vid.h" /* <- should be changed to "linux/'something'.h" */
#include "fastmemcpy.h"
#include "osd.h"
#include "video_out.h"

#define WIDTH_ALIGN 32 /* should be 16 for rage:422 and 32 for rage:420 */
#define NUM_FRAMES 10
#define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */

static uint8_t *frames[NUM_FRAMES];

static int lvo_handler = -1;
static uint8_t *lvo_mem = NULL;
static uint8_t next_frame;
static mga_vid_config_t mga_vid_config;
static unsigned image_bpp,image_height,image_width,src_format;
extern int verbose;
uint32_t vlvo_control(uint32_t request, void *data, ...);

#define PIXEL_SIZE() ((video_mode_info.BitsPerPixel+7)/8)
#define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
#define IMAGE_LINE_SIZE(pixel_size) (image_width*(pixel_size))

extern vo_functions_t video_out_vesa;

int vlvo_preinit(const char *drvname)
{
  printf("vesa_lvo: This branch is no longer supported.\n"
	 "vesa_lvo: Please use -vo vesa:vidix instead\n");
  return -1;
  if(verbose > 1) printf("vesa_lvo: vlvo_preinit(%s) was called\n",drvname);
	lvo_handler = open(drvname,O_RDWR);
	if(lvo_handler == -1)
	{
		printf("vesa_lvo: Couldn't open '%s'\n",drvname);
		return -1;
	}
	/* we are able to tune up this stuff depend on fourcc format */
	video_out_vesa.draw_slice=vlvo_draw_slice;
	video_out_vesa.draw_frame=vlvo_draw_frame;
	video_out_vesa.flip_page=vlvo_flip_page;
	video_out_vesa.draw_osd=vlvo_draw_osd;
  video_out_vesa.control=vlvo_control;
	return 0;
}

int      vlvo_init(unsigned src_width,unsigned src_height,
		   unsigned x_org,unsigned y_org,unsigned dst_width,
		   unsigned dst_height,unsigned format,unsigned dest_bpp)
{
  size_t i,awidth;
  printf("vesa_lvo: This branch is no longer supported.\n"
	 "vesa_lvo: Please use -vo vesa:vidix instead\n");
  return -1;
  if(verbose > 1) printf("vesa_lvo: vlvo_init() was called\n");
	image_width = src_width;
	image_height = src_height;
	mga_vid_config.version=MGA_VID_VERSION;
        src_format = mga_vid_config.format=format;
        awidth = (src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
        switch(format){
        case IMGFMT_YV12:
        case IMGFMT_I420:
        case IMGFMT_IYUV:
	    image_bpp=16;
	    mga_vid_config.frame_size = awidth*src_height+(awidth*src_height)/2;
	    break;
        case IMGFMT_YUY2:
        case IMGFMT_UYVY:
	    image_bpp=16;
	    mga_vid_config.frame_size = awidth*src_height*2;
	    break;
        case IMGFMT_RGB15:
        case IMGFMT_BGR15:
        case IMGFMT_RGB16:
        case IMGFMT_BGR16:
	    image_bpp=16;
	    mga_vid_config.frame_size = awidth*src_height*2;
	    break;
        case IMGFMT_RGB24:
        case IMGFMT_BGR24:
	    image_bpp=24;
	    mga_vid_config.frame_size = awidth*src_height*3;
	    break;
        case IMGFMT_RGB32:
        case IMGFMT_BGR32:
	    image_bpp=32;
	    mga_vid_config.frame_size = awidth*src_height*4;
	    break;
        default:
            printf("vesa_lvo: invalid output format %s(%0X)\n",vo_format_name(format),format);
            return -1;
        }
        mga_vid_config.colkey_on=0;
	mga_vid_config.src_width = src_width;
	mga_vid_config.src_height= src_height;
	mga_vid_config.dest_width = dst_width;
	mga_vid_config.dest_height= dst_height;
	mga_vid_config.x_org=x_org;
	mga_vid_config.y_org=y_org;
	mga_vid_config.num_frames=NUM_FRAMES;
	if (ioctl(lvo_handler,MGA_VID_CONFIG,&mga_vid_config))
	{
		perror("vesa_lvo: Error in mga_vid_config ioctl()");
                printf("vesa_lvo: Your fb_vid driver version is incompatible with this MPlayer version!\n");
		return -1;
	}
	ioctl(lvo_handler,MGA_VID_ON,0);

	frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,lvo_handler,0);
	for(i=1;i<NUM_FRAMES;i++)
		frames[i] = frames[i-1] + mga_vid_config.frame_size;
	next_frame = 0;
	lvo_mem = frames[next_frame];

	/*clear the buffer*/
	memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames);
	return 0;  
}

void vlvo_term( void )
{
  if(verbose > 1) printf("vesa_lvo: vlvo_term() was called\n");
	ioctl( lvo_handler,MGA_VID_OFF,0 );
	munmap(frames[0],mga_vid_config.frame_size*mga_vid_config.num_frames);
	if(lvo_handler != -1) close(lvo_handler);
}

uint32_t vlvo_draw_slice_420(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
    uint8_t *src;
    uint8_t *dest;
    uint32_t bespitch,bespitch2;
    int i;

    bespitch = (mga_vid_config.src_width + (WIDTH_ALIGN-1)) & ~(WIDTH_ALIGN-1);
    bespitch2 = bespitch/2;

    dest = lvo_mem + bespitch * y + x;
    src = image[0];
    for(i=0;i<h;i++){
        memcpy(dest,src,w);
        src+=stride[0];
        dest += bespitch;
    }

    w/=2;h/=2;x/=2;y/=2;

    dest = lvo_mem + bespitch*mga_vid_config.src_height + bespitch2 * y + x;
    src = image[1];
    for(i=0;i<h;i++){
        memcpy(dest,src,w);
        src+=stride[1];
        dest += bespitch2;
    }

    dest = lvo_mem + bespitch*mga_vid_config.src_height
                   + bespitch*mga_vid_config.src_height / 4
                   + bespitch2 * y + x;
    src = image[2];
    for(i=0;i<h;i++){
        memcpy(dest,src,w);
        src+=stride[2];
        dest += bespitch2;
    }
    return 0;
}

uint32_t vlvo_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
 if(verbose > 1) printf("vesa_lvo: vlvo_draw_slice() was called\n");
    if(src_format == IMGFMT_YV12 || src_format == IMGFMT_I420 || src_format == IMGFMT_IYUV)
	vlvo_draw_slice_420(image,stride,w,h,x,y);
    else
    {
	uint8_t *dst;
	uint8_t bytpp;
	bytpp = (image_bpp+7)/8;
	dst = lvo_mem + (image_width * y + x)*bytpp;
	/* vlvo_draw_slice_422(image,stride,w,h,x,y); just for speed */
	memcpy(dst,image[0],mga_vid_config.frame_size);
    }
 return 0;
}

uint32_t vlvo_draw_frame(uint8_t *image[])
{
/* Note it's very strange but sometime for YUY2 draw_frame is called */
  memcpy(lvo_mem,image[0],mga_vid_config.frame_size);
  if(verbose > 1) printf("vesa_lvo: vlvo_draw_frame() was called\n");
  return 0;
}

void     vlvo_flip_page(void)
{
  if(verbose > 1) printf("vesa_lvo: vlvo_flip_page() was called\n");
  if(vo_doublebuffering)
  {
	ioctl(lvo_handler,MGA_VID_FSEL,&next_frame);
	next_frame=(next_frame+1)%mga_vid_config.num_frames;
	lvo_mem=frames[next_frame];
  }	
}

static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
  UNUSED(x0);
  UNUSED(y0);
  UNUSED(w);
  UNUSED(h);
  UNUSED(src);
  UNUSED(srca);
  UNUSED(stride);
}

static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride)
{
    uint32_t bespitch = /*(*/mga_vid_config.src_width;// + 15) & ~15;
    switch(mga_vid_config.format){
    case IMGFMT_BGR15:
    case IMGFMT_RGB15:
	vo_draw_alpha_rgb15(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
	break;
    case IMGFMT_BGR16:
    case IMGFMT_RGB16:
	vo_draw_alpha_rgb16(w,h,src,srca,stride,lvo_mem+2*(y0*bespitch+x0),2*bespitch);
	break;
    case IMGFMT_BGR24:
    case IMGFMT_RGB24:
	vo_draw_alpha_rgb24(w,h,src,srca,stride,lvo_mem+3*(y0*bespitch+x0),3*bespitch);
	break;
    case IMGFMT_BGR32:
    case IMGFMT_RGB32:
	vo_draw_alpha_rgb32(w,h,src,srca,stride,lvo_mem+4*(y0*bespitch+x0),4*bespitch);
	break;
    case IMGFMT_YV12:
    case IMGFMT_IYUV:
    case IMGFMT_I420:
        vo_draw_alpha_yv12(w,h,src,srca,stride,lvo_mem+bespitch*y0+x0,bespitch);
        break;
    case IMGFMT_YUY2:
        vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0),bespitch);
        break;
    case IMGFMT_UYVY:
        vo_draw_alpha_yuy2(w,h,src,srca,stride,lvo_mem+2*(bespitch*y0+x0)+1,bespitch);
        break;
    default:
        draw_alpha_null(x0,y0,w,h,src,srca,stride);
    }
}

void     vlvo_draw_osd(void)
{
  if(verbose > 1) printf("vesa_lvo: vlvo_draw_osd() was called\n");
  /* TODO: hw support */
#if 0
/* disable this stuff until new fbvid.h interface will be implemented
  because in different fourcc radeon_vid and rage128_vid have different
  width alignment */
  vo_draw_text(mga_vid_config.src_width,mga_vid_config.src_height,draw_alpha);
#endif
}

uint32_t vlvo_query_info(uint32_t format)
{
  if(verbose > 1) printf("vesa_lvo: query_format was called: %x (%s)\n",format,vo_format_name(format));
  return 1;
}

uint32_t vlvo_control(uint32_t request, void *data, ...)
{
  switch (request) {
  case VOCTRL_QUERY_FORMAT:
    return vlvo_query_info(*((uint32_t*)data));
  }
  return VO_NOTIMPL;
}