4 * Copyright (C) Nick Kurshev <nickols_k@mail.ru> - Oct 2001
6 * You can redistribute this file under terms and conditions
7 * of GNU General Public licence v2 or later.
9 * This file contains vo_vesa interface to Linux Video Overlay.
10 * (Partly based on vo_mga.c from mplayer's package)
14 #include <sys/ioctl.h>
27 #include "libmpcodecs/img_format.h"
28 #include "drivers/mga_vid.h" /* <- should be changed to "linux/'something'.h" */
29 #include "fastmemcpy.h"
31 #include "video_out.h"
33 #include "libmpcodecs/vfcap.h"
35 #define WIDTH_ALIGN 32 /* should be 16 for rage:422 and 32 for rage:420 */
37 #define UNUSED(x) ((void)(x)) /**< Removes warning about unused arguments */
39 static uint8_t *frames
[NUM_FRAMES
];
41 static int lvo_handler
= -1;
42 static uint8_t *lvo_mem
= NULL
;
43 static uint8_t next_frame
;
44 static mga_vid_config_t mga_vid_config
;
45 static unsigned image_bpp
,image_height
,image_width
,src_format
;
46 int vlvo_control(uint32_t request
, void *data
);
48 #define PIXEL_SIZE() ((video_mode_info.BitsPerPixel+7)/8)
49 #define SCREEN_LINE_SIZE(pixel_size) (video_mode_info.XResolution*(pixel_size) )
50 #define IMAGE_LINE_SIZE(pixel_size) (image_width*(pixel_size))
52 extern struct vo_old_functions video_out_vesa
;
54 int vlvo_preinit(const char *drvname
)
56 mp_msg(MSGT_VO
,MSGL_WARN
, MSGTR_LIBVO_VESA_ThisBranchIsNoLongerSupported
);
58 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
59 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: vlvo_preinit(%s) was called\n",drvname
);}
60 lvo_handler
= open(drvname
,O_RDWR
);
63 mp_msg(MSGT_VO
,MSGL_WARN
, MSGTR_LIBVO_VESA_CouldntOpen
,drvname
);
66 /* we are able to tune up this stuff depend on fourcc format */
67 video_out_vesa
.draw_slice
=vlvo_draw_slice
;
68 video_out_vesa
.draw_frame
=vlvo_draw_frame
;
69 video_out_vesa
.flip_page
=vlvo_flip_page
;
70 video_out_vesa
.draw_osd
=vlvo_draw_osd
;
71 video_out_vesa
.control
=vlvo_control
;
75 int vlvo_init(unsigned src_width
,unsigned src_height
,
76 unsigned x_org
,unsigned y_org
,unsigned dst_width
,
77 unsigned dst_height
,unsigned format
,unsigned dest_bpp
)
80 mp_msg(MSGT_VO
,MSGL_WARN
, MSGTR_LIBVO_VESA_ThisBranchIsNoLongerSupported
);
82 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
83 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: vlvo_init() was called\n");}
84 image_width
= src_width
;
85 image_height
= src_height
;
86 mga_vid_config
.version
=MGA_VID_VERSION
;
87 src_format
= mga_vid_config
.format
=format
;
88 awidth
= (src_width
+ (WIDTH_ALIGN
-1)) & ~(WIDTH_ALIGN
-1);
94 mga_vid_config
.frame_size
= awidth
*src_height
+(awidth
*src_height
)/2;
99 mga_vid_config
.frame_size
= awidth
*src_height
*2;
106 mga_vid_config
.frame_size
= awidth
*src_height
*2;
111 mga_vid_config
.frame_size
= awidth
*src_height
*3;
116 mga_vid_config
.frame_size
= awidth
*src_height
*4;
119 mp_msg(MSGT_VO
,MSGL_WARN
, MSGTR_LIBVO_VESA_InvalidOutputFormat
,vo_format_name(format
),format
);
122 mga_vid_config
.colkey_on
=0;
123 mga_vid_config
.src_width
= src_width
;
124 mga_vid_config
.src_height
= src_height
;
125 mga_vid_config
.dest_width
= dst_width
;
126 mga_vid_config
.dest_height
= dst_height
;
127 mga_vid_config
.x_org
=x_org
;
128 mga_vid_config
.y_org
=y_org
;
129 mga_vid_config
.num_frames
=NUM_FRAMES
;
130 if (ioctl(lvo_handler
,MGA_VID_CONFIG
,&mga_vid_config
))
132 perror("vesa_lvo: Error in mga_vid_config ioctl()");
133 mp_msg(MSGT_VO
,MSGL_WARN
, MSGTR_LIBVO_VESA_IncompatibleDriverVersion
);
136 ioctl(lvo_handler
,MGA_VID_ON
,0);
138 frames
[0] = (char*)mmap(0,mga_vid_config
.frame_size
*mga_vid_config
.num_frames
,PROT_WRITE
,MAP_SHARED
,lvo_handler
,0);
139 for(i
=1;i
<NUM_FRAMES
;i
++)
140 frames
[i
] = frames
[i
-1] + mga_vid_config
.frame_size
;
142 lvo_mem
= frames
[next_frame
];
145 memset(frames
[0],0x80,mga_vid_config
.frame_size
*mga_vid_config
.num_frames
);
149 void vlvo_term( void )
151 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
152 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: vlvo_term() was called\n");}
153 ioctl( lvo_handler
,MGA_VID_OFF
,0 );
154 munmap(frames
[0],mga_vid_config
.frame_size
*mga_vid_config
.num_frames
);
155 if(lvo_handler
!= -1) close(lvo_handler
);
158 int vlvo_draw_slice_420(uint8_t *image
[], int stride
[], int w
,int h
,int x
,int y
)
162 uint32_t bespitch
,bespitch2
;
165 bespitch
= (mga_vid_config
.src_width
+ (WIDTH_ALIGN
-1)) & ~(WIDTH_ALIGN
-1);
166 bespitch2
= bespitch
/2;
168 dest
= lvo_mem
+ bespitch
* y
+ x
;
171 fast_memcpy(dest
,src
,w
);
178 dest
= lvo_mem
+ bespitch
*mga_vid_config
.src_height
+ bespitch2
* y
+ x
;
181 fast_memcpy(dest
,src
,w
);
186 dest
= lvo_mem
+ bespitch
*mga_vid_config
.src_height
187 + bespitch
*mga_vid_config
.src_height
/ 4
191 fast_memcpy(dest
,src
,w
);
198 int vlvo_draw_slice(uint8_t *image
[], int stride
[], int w
,int h
,int x
,int y
)
200 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
201 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: vlvo_draw_slice() was called\n");}
202 if(src_format
== IMGFMT_YV12
|| src_format
== IMGFMT_I420
|| src_format
== IMGFMT_IYUV
)
203 vlvo_draw_slice_420(image
,stride
,w
,h
,x
,y
);
208 bytpp
= (image_bpp
+7)/8;
209 dst
= lvo_mem
+ (image_width
* y
+ x
)*bytpp
;
210 /* vlvo_draw_slice_422(image,stride,w,h,x,y); just for speed */
211 fast_memcpy(dst
,image
[0],mga_vid_config
.frame_size
);
216 int vlvo_draw_frame(uint8_t *image
[])
218 /* Note it's very strange but sometime for YUY2 draw_frame is called */
219 fast_memcpy(lvo_mem
,image
[0],mga_vid_config
.frame_size
);
220 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
221 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: vlvo_flip_page() was called\n");}
225 void vlvo_flip_page(void)
227 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
228 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: vlvo_draw_osd() was called\n");}
229 if(vo_doublebuffering
)
231 ioctl(lvo_handler
,MGA_VID_FSEL
,&next_frame
);
232 next_frame
=(next_frame
+1)%mga_vid_config
.num_frames
;
233 lvo_mem
=frames
[next_frame
];
238 static void draw_alpha_null(int x0
,int y0
, int w
,int h
, unsigned char* src
, unsigned char *srca
, int stride
)
249 static void draw_alpha(int x0
,int y0
, int w
,int h
, unsigned char* src
, unsigned char *srca
, int stride
)
251 uint32_t bespitch
= /*(*/mga_vid_config
.src_width
;// + 15) & ~15;
252 switch(mga_vid_config
.format
){
255 vo_draw_alpha_rgb15(w
,h
,src
,srca
,stride
,lvo_mem
+2*(y0
*bespitch
+x0
),2*bespitch
);
259 vo_draw_alpha_rgb16(w
,h
,src
,srca
,stride
,lvo_mem
+2*(y0
*bespitch
+x0
),2*bespitch
);
263 vo_draw_alpha_rgb24(w
,h
,src
,srca
,stride
,lvo_mem
+3*(y0
*bespitch
+x0
),3*bespitch
);
267 vo_draw_alpha_rgb32(w
,h
,src
,srca
,stride
,lvo_mem
+4*(y0
*bespitch
+x0
),4*bespitch
);
272 vo_draw_alpha_yv12(w
,h
,src
,srca
,stride
,lvo_mem
+bespitch
*y0
+x0
,bespitch
);
275 vo_draw_alpha_yuy2(w
,h
,src
,srca
,stride
,lvo_mem
+2*(bespitch
*y0
+x0
),bespitch
);
278 vo_draw_alpha_yuy2(w
,h
,src
,srca
,stride
,lvo_mem
+2*(bespitch
*y0
+x0
)+1,bespitch
);
281 draw_alpha_null(x0
,y0
,w
,h
,src
,srca
,stride
);
286 void vlvo_draw_osd(void)
288 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
289 mp_msg(MSGT_VO
,MSGL_DBG2
,"vesa_lvo: vlvo_draw_osd() was called\n"); }
290 /* TODO: hw support */
292 /* disable this stuff until new fbvid.h interface will be implemented
293 because in different fourcc radeon_vid and rage128_vid have different
295 vo_draw_text(mga_vid_config
.src_width
,mga_vid_config
.src_height
,draw_alpha
);
299 uint32_t vlvo_query_info(uint32_t format
)
301 if( mp_msg_test(MSGT_VO
,MSGL_DBG2
) ) {
302 mp_msg(MSGT_VO
,MSGL_DBG2
, "vesa_lvo: query_format was called: %x (%s)\n",format
,vo_format_name(format
)); }
303 return VFCAP_CSP_SUPPORTED
;
306 int vlvo_control(uint32_t request
, void *data
)
309 case VOCTRL_QUERY_FORMAT
:
310 return vlvo_query_info(*((uint32_t*)data
));