📄 spcaview _ spcaclient源码详解（2） - legend - csdnblog.htm
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<DIV class=postText><BR>#include "tcputils.h"<BR>#include
"spcaframe.h"
主要用到的自定义头文件
<P>1 . 在main函数中：</P>
<P>/* default mmap */<BR> int grabMethod = 1;<BR> int format =
VIDEO_PALETTE_YUV420P;
default format</P>
<P>SPCASTATE
funct
根均输入的参数决定三种处理功能</P>
<P>funct =
GRABBER;
default</P>
<P>if (strcmp (argv[i], "-i") == 0)
{
输入参数 -i有效<BR> if (i + 1 >= argc)
{<BR> printf ("No parameter specified with -i,
aborting.\n");<BR> exit
(1);<BR> }<BR> inputfile = strdup (argv[i +
1]);<BR> funct = PLAYER
;
执行play功能<BR> }</P>
<P>if (strcmp (argv[i], "-w") == 0)
{
如果输入参数 -w有效<BR> if (i + 1 >= argc)
{<BR> printf ("No parameter specified with -w,
aborting.\n");<BR> exit
(1);<BR> }<BR> AdIpPort = strdup (argv[i +
1]);<BR> if(reportip(AdIpPort,AdIp,&ports) <
0)<BR> printf("error in port convertion
\n");<BR> printf ("using Server %s Port %d
\n",AdIp,ports);<BR> funct = CLIENT
;
执行client功能<BR> }</P>
<P>switch (funct) {<BR> case PLAYER:<BR> {<BR> /* that is
spcaview player */<BR> spcaPlay (inputfile, owidth,
oheight); <BR> } <BR> break;<BR> case
GRABBER:<BR> {<BR> /* spcaview grabber
*/<BR> spcaGrab (outputfile,fourcc , videodevice,
image_width,image_height, format, owidth,
oheight,<BR> grabMethod, videoOn, audioout, videocomp,
autobright, statOn, decodeOn);<BR> }<BR> break;<BR> case
CLIENT:<BR> {<BR> spcaClient(AdIp,ports,owidth,oheight,
statOn);<BR> }<BR> main函数结束，这里指对 spcaClient(AdIp,ports,owidth,oheight,
statOn);<BR>做详细解释。owidth和oheight是-m参数有效的时候传下来的特定W*H要求的参数，statOn为-t有效时打印统计数据，三述三个参数初始值都为0。</P> <BR><BR>
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