J2ME 拍照API:getSnapshot参数设置大全
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最近做摄像头相关软件,发现这个参数设置有门道,API链了无数回,终于找到了这段对截图参数的详细设置,大家可以参考下。
Describing the video or image encodings:
video_encodings = video_enc_param *( "&" video_param )
video_enc_param = "encoding=" video_enc
video_enc = "gray8" / "rgb888" / "bgr888" /
"rgb565" / "rgb555" / "yuv444" /
"yuv422" / "yuv420" / "jpeg" / "png" /
content_type
video_param = "width=" width /
"height=" height /
"fps=" fps /
"colors=" colors /
"progressive=" progressive /
"interlaced=" interlaced /
"type=" video_type
width = pos_integer
height = pos_integer
fps = pos_number
quality = pos_integer
colors = "p" colors_in_palette /
= "rgb" r_bits g_bits b_bits /
= "gray" gray_bits
colors_in_palette = pos_integer
r_bits = pos_integer
g_bits = pos_integer
b_bits = pos_integer
gray_bits = pos_integer
progressive = boolean
video_type = jfif / exif / other_type
other_type = alphanumeric
interlaced = boolean
pos_number = 1*DIGIT [ "." 1*DIGIT ]
boolean = "true" / "false"
and
content type is given in the MIME syntax.
Examples:
encoding=gray8&width=160&height=120
encoding=jpeg&quality=80&progressive=true&type=jfif
(progressive JPEG with quality 80 in jfif format)
encoding=jpeg&type=exif
(JPEG in exif format)
encoding=png&colors=rgb888
(24 bits/pixel PNG)
encoding=rgb888
(raw 24-bit rgb image)
encoding=rgb&colors=rgb888
(raw 24-bit rgb image)
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/c30gcrk/archive/2007/08/28/1762299.aspx
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