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avisynth_c_25.h
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1 // Copyright (c) 2011 FFmpegSource Project
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20 
21 /* these are defines/functions that are used and were changed in the switch to 2.6
22  * and are needed to maintain full compatility with 2.5 */
23 
24 enum {
25  AVS_CS_YV12_25 = 1<<3 | AVS_CS_YUV | AVS_CS_PLANAR, // y-v-u, planar
26  AVS_CS_I420_25 = 1<<4 | AVS_CS_YUV | AVS_CS_PLANAR, // y-u-v, planar
27 };
28 
29 AVSC_INLINE int avs_get_height_p_25(const AVS_VideoFrame * p, int plane) {
30  switch (plane)
31  {
32  case AVS_PLANAR_U: case AVS_PLANAR_V:
33  if (p->pitchUV)
34  return p->height>>1;
35  return 0;
36  }
37  return p->height;}
38 
40  int r;
41  switch (plane)
42  {
43  case AVS_PLANAR_U: case AVS_PLANAR_V:
44  if (p->pitchUV)
45  return p->row_size>>1;
46  else
47  return 0;
49  if (p->pitchUV)
50  {
51  r = ((p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)) )>>1; // Aligned rowsize
52  if (r < p->pitchUV)
53  return r;
54  return p->row_size>>1;
55  }
56  else
57  return 0;
59  r = (p->row_size+AVS_FRAME_ALIGN-1)&(~(AVS_FRAME_ALIGN-1)); // Aligned rowsize
60  if (r <= p->pitch)
61  return r;
62  return p->row_size;
63  }
64  return p->row_size;
65 }
66