Merge commit 'cd874cf8' into release/2.2

* commit 'cd874cf8':
  http: Allow setting a Content-Type for POST requests

Conflicts:
	libavformat/http.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/protocols.texi

@@ -225,6 +225,9 @@ value is -1.
 @item chunked_post
 If set to 1 use chunked Transfer-Encoding for posts, default is 1.
 
+@item content_type
+Set a specific content type for the POST messages.
+
 @item headers
 Set custom HTTP headers, can override built in default headers. The
 value must be a string encoding the headers.
@@ -235,9 +238,6 @@ Use persistent connections if set to 1, default is 0.
 @item post_data
 Set custom HTTP post data.
 
-@item content_type
-Force a content type.
-
 @item user-agent
 @item user_agent
 Override the User-Agent header. If not specified the protocol will use a

libavformat/http.c

@@ -51,7 +51,6 @@ typedef struct {
     int http_code;
     /* Used if "Transfer-Encoding: chunked" otherwise -1. */
     int64_t chunksize;
-    char *content_type;
     int64_t off, end_off, filesize;
     char *location;
     HTTPAuthState auth_state;
@@ -59,6 +58,7 @@ typedef struct {
     char *headers;
     char *mime_type;
     char *user_agent;
+    char *content_type;
     /* Set if the server correctly handles Connection: close and will close
      * the connection after feeding us the content. */
     int willclose;
@@ -99,7 +99,7 @@ static const AVOption options[] = {
 {"seekable", "control seekability of connection", OFFSET(seekable), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, D },
 {"chunked_post", "use chunked transfer-encoding for posts", OFFSET(chunked_post), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, E },
 {"headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
-{"content_type", "force a content type", OFFSET(content_type), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E },
+{"content_type", "set a specific content type for the POST messages", OFFSET(content_type), 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", 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 },
@@ -736,6 +736,7 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
     if (!has_header(s->headers, "\r\nContent-Length: ") && s->post_data)
         len += av_strlcatf(headers + len, sizeof(headers) - len,
                            "Content-Length: %d\r\n", s->post_datalen);
+
     if (!has_header(s->headers, "\r\nContent-Type: ") && s->content_type)
         len += av_strlcatf(headers + len, sizeof(headers) - len,
                            "Content-Type: %s\r\n", s->content_type);