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avio: Support private options in URLProtocols 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-10 04:34:35 +01:00
parent c12e1bd1bc
commit 6161c41817
1 changed files with 25 additions and 0 deletions
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25
libavformat/avio.c
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@ -145,8 +145,31 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up,
if (up->priv_data_size) {
uc->priv_data = av_mallocz(up->priv_data_size);
if (up->priv_data_class) {
char *start = strchr(uc->filename, ',');
*(const AVClass**)uc->priv_data = up->priv_data_class;
av_opt_set_defaults(uc->priv_data);
if(start){
int ret= 0;
char *p= start;
char sep= *++p;
char *key, *val;
p++;
while(ret >= 0 && (key= strchr(p, sep)) && p<key && (val = strchr(key+1, sep))){
*val= *key= 0;
ret= av_opt_set(uc->priv_data, p, key+1, 0);
if (ret == AVERROR_OPTION_NOT_FOUND)
av_log(uc, AV_LOG_ERROR, "Key '%s' not found.\n", p);
*val= *key= sep;
p= val+1;
}
if(ret<0 || p!=key){
av_log(uc, AV_LOG_ERROR, "Error parsing options string %s\n", start);
av_freep(&uc->priv_data);
av_freep(&uc);
goto fail;
}
memmove(start, key+1, strlen(key));
}
}
}
if (int_cb)
@ -277,6 +300,8 @@ int ffurl_alloc(URLContext **puc, const char *filename, int flags,
else
av_strlcpy(proto_str, filename, FFMIN(proto_end-filename+1, sizeof(proto_str)));
if ((ptr = strchr(proto_str, ',')))
*ptr = '\0';
av_strlcpy(proto_nested, proto_str, sizeof(proto_nested));
if ((ptr = strchr(proto_nested, '+')))
*ptr = '\0';