static rstr_t *
ffmpeg_metadata_rstr(AVMetadata *m, const char *key)
{
AVMetadataTag *tag;
int len;
rstr_t *ret;
const char *str;
char *d;
if((tag = av_metadata_get(m, key, NULL, AV_METADATA_IGNORE_SUFFIX)) == NULL)
return NULL;
if(!utf8_verify(tag->value))
return NULL;
str = tag->value;
len = strlen(str);
ret = rstr_allocl(str, len);
d = rstr_data(ret);
while(len > 0) {
len--;
if(d[len] <= ' ' || d[len] == '-')
d[len] = 0;
else
break;
}
if(*d == 0 || !strncasecmp(d, "http://", 7)) {
rstr_release(ret);
return NULL;
}
return ret;
}
static token_t *
lexer_add_token_string(glw_root_t *gr,
token_t *prev, rstr_t *f, int line,
const char *start, const char *end, token_type_t type)
{
token_t *t = glw_view_token_alloc(gr);
t->t_rstring = rstr_allocl(start, end - start);
deescape_cstyle(rstr_data(t->t_rstring));
lexer_link_token(prev, f, line, t, type);
return t;
}
static int
hc_image(http_connection_t *hc, const char *remain, void *opaque,
http_cmd_t method)
{
htsbuf_queue_t out;
image_t *img;
char errbuf[200];
const char *content;
image_meta_t im = {0};
im.im_no_decoding = 1;
rstr_t *url;
const char *u = http_arg_get_req(hc, "url");
if(u != NULL) {
url = rstr_alloc(u);
url_deescape(rstr_data(url));
} else {
if(remain == NULL) {
return 404;
}
url = rstr_alloc(remain);
}
img = backend_imageloader(url, &im, NULL, errbuf, sizeof(errbuf), NULL,
NULL);
rstr_release(url);
if(img == NULL)
return http_error(hc, 404, "Unable to load image %s : %s",
remain, errbuf);
const image_component_t *ic = image_find_component(img, IMAGE_CODED);
if(ic == NULL) {
image_release(img);
return http_error(hc, 404,
"Unable to load image %s : Original data not available",
remain);
}
const image_component_coded_t *icc = &ic->coded;
htsbuf_queue_init(&out, 0);
htsbuf_append(&out, buf_cstr(icc->icc_buf), buf_len(icc->icc_buf));
switch(icc->icc_type) {
case IMAGE_JPEG:
content = "image/jpeg";
break;
case IMAGE_PNG:
content = "image/png";
break;
case IMAGE_GIF:
content = "image/gif";
break;
default:
content = "image";
break;
}
image_release(img);
return http_send_reply(hc, 0, content, NULL, NULL, 0, &out);
}
