CX18_UNIT_ENC_YUV_BUFSIZE
(cx->stream_buf_size[i] % CX18_UNIT_ENC_YUV_BUFSIZE);
if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)
CX18_UNIT_ENC_YUV_BUFSIZE;
#define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32)
#define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32)
#define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1)