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http: Make custom headers settable via an AVOption

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2011-11-07 11:43:13 +02:00
parent eaa8c1f9fe
commit 10da1e913b
1 changed files with 14 additions and 7 deletions
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21
libavformat/http.c
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@ -47,13 +47,14 @@ typedef struct {
int64_t off, filesize;
char location[MAX_URL_SIZE];
HTTPAuthState auth_state;
unsigned char headers[BUFFER_SIZE];
char *headers;
int willclose; /**< Set if the server correctly handles Connection: close and will close the connection after feeding us the content. */
} HTTPContext;
#define OFFSET(x) offsetof(HTTPContext, x)
static const AVOption options[] = {
{"chunksize", "use chunked transfer-encoding for posts, -1 disables it, 0 enables it", OFFSET(chunksize), AV_OPT_TYPE_INT64, {.dbl = 0}, -1, 0 }, /* Default to 0, for chunked POSTs */
{"headers", "custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING },
{NULL}
};
static const AVClass httpcontext_class = {
@ -69,12 +70,9 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,
void ff_http_set_headers(URLContext *h, const char *headers)
{
HTTPContext *s = h->priv_data;
int len = strlen(headers);
if (len && strcmp("\r\n", headers + len - 2))
av_log(h, AV_LOG_ERROR, "No trailing CRLF found in HTTP header.\n");
av_strlcpy(s->headers, headers, sizeof(s->headers));
av_freep(&s->headers);
s->headers = av_strdup(headers);
}
void ff_http_init_auth_state(URLContext *dest, const URLContext *src)
@ -168,6 +166,12 @@ static int http_open(URLContext *h, const char *uri, int flags)
s->filesize = -1;
av_strlcpy(s->location, uri, sizeof(s->location));
if (s->headers) {
int len = strlen(s->headers);
if (len < 2 || strcmp("\r\n", s->headers + len - 2))
av_log(h, AV_LOG_ERROR, "No trailing CRLF found in HTTP header.\n");
}
return http_open_cnx(h);
}
static int http_getc(HTTPContext *s)
@ -285,6 +289,8 @@ static int process_line(URLContext *h, char *line, int line_count,
static inline int has_header(const char *str, const char *header)
{
/* header + 2 to skip over CRLF prefix. (make sure you have one!) */
if (!str)
return 0;
return av_stristart(str, header + 2, NULL) || av_stristr(str, header);
}
@ -323,7 +329,8 @@ static int http_connect(URLContext *h, const char *path, const char *hoststr,
"Host: %s\r\n", hoststr);
/* now add in custom headers */
av_strlcpy(headers+len, s->headers, sizeof(headers)-len);
if (s->headers)
av_strlcpy(headers + len, s->headers, sizeof(headers) - len);
snprintf(s->buffer, sizeof(s->buffer),
"%s %s HTTP/1.1\r\n"