1 #define NG_PRIVATE
2 #include "config.h"
3
4 #include <stdio.h>
5 #include <stdlib.h>
6 #include <unistd.h>
7 #include <pthread.h>
8 #include <sys/time.h>
9 #include <sys/types.h>
10
11 #include "grab-ng.h"
12
13 /* ------------------------------------------------------------------- */
14
15 void*
16 ng_packed_init(struct ng_video_fmt *out, void *priv)
17 {
18 return priv;
19 }
20
21 void
22 ng_packed_frame(void *handle, struct ng_video_buf *out,
23 struct ng_video_buf *in)
24 {
25 int (*func)(unsigned char *dest, unsigned char *src, int p) = handle;
26 unsigned char *sp,*dp;
27 unsigned int i,sw,dw;
28
29 dw = (out->fmt.width * ng_vfmt_to_depth[out->fmt.fmtid]) >> 3;
30 sw = (in->fmt.width * ng_vfmt_to_depth[in->fmt.fmtid]) >> 3;
31 if (in->fmt.bytesperline == sw && out->fmt.bytesperline == dw) {
32 /* can convert in one go */
33 func(out->data, in->data, in->fmt.width * in->fmt.height);
34 } else {
35 /* convert line by line */
36 dp = out->data;
37 sp = in->data;
38 for (i = 0; i < in->fmt.height; i++) {
39 func(dp,sp,in->fmt.width);
40 dp += out->fmt.bytesperline;
41 sp += in->fmt.bytesperline;
42 }
43 }
44 }
45
46 /* ------------------------------------------------------------------- */
47
48 void*
49 ng_conv_nop_init(struct ng_video_fmt *out, void *priv)
50 {
51 /* nothing */
52 return NULL;
53 }
54
55 void
56 ng_conv_nop_fini(void *handle)
57 {
58 /* nothing */
59 }
60
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