http: Support setting custom User-Agent

Contextually make the default User-Agent use the common
"Name/Version" pattern.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Clément Bœsch 2014-03-06 18:39:59 +01:00 committed by Luca Barbato
parent e58c85b068
commit ddfc989063
2 changed files with 10 additions and 2 deletions

View File

@ -92,6 +92,10 @@ HTTP (Hyper Text Transfer Protocol).
This protocol accepts the following options:
@table @option
@item user_agent
Override the User-Agent header. If not specified a string of the form
"Lavf/<version>" will be used.
@item mime_type
Export the MIME type.

View File

@ -57,6 +57,7 @@ typedef struct {
HTTPAuthState proxy_auth_state;
char *headers;
char *mime_type;
char *user_agent;
/* Set if the server correctly handles Connection: close and will close
* the connection after feeding us the content. */
int willclose;
@ -88,9 +89,12 @@ typedef struct {
#define OFFSET(x) offsetof(HTTPContext, x)
#define D AV_OPT_FLAG_DECODING_PARAM
#define E AV_OPT_FLAG_ENCODING_PARAM
#define DEFAULT_USER_AGENT "Lavf/" AV_STRINGIFY(LIBAVFORMAT_VERSION)
static const AVOption options[] = {
{"chunked_post", "use chunked transfer-encoding for posts", OFFSET(chunked_post), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, E },
{"headers", "custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
{"user_agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = DEFAULT_USER_AGENT}, 0, 0, D },
{"user-agent", "override User-Agent header, for compatibility with ffmpeg", OFFSET(user_agent), AV_OPT_TYPE_STRING, {.str = DEFAULT_USER_AGENT}, 0, 0, D },
{"multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, D|E },
{"post_data", "custom HTTP post data", OFFSET(post_data), AV_OPT_TYPE_BINARY, .flags = D|E },
{"mime_type", "export the MIME type", OFFSET(mime_type), AV_OPT_TYPE_STRING, {0}, 0, 0, AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
@ -562,8 +566,8 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
/* set default headers if needed */
if (!has_header(s->headers, "\r\nUser-Agent: "))
len += av_strlcatf(headers + len, sizeof(headers) - len,
"User-Agent: %s\r\n", LIBAVFORMAT_IDENT);
len += av_strlcatf(headers + len, sizeof(headers) - len,
"User-Agent: %s\r\n", s->user_agent);
if (!has_header(s->headers, "\r\nAccept: "))
len += av_strlcpy(headers + len, "Accept: */*\r\n",
sizeof(headers) - len);