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avformat/http: export http_version from response

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Can be used by the api user to figure out what http features the server supports based on the response received.

Signed-off-by: Aman Gupta <aman@tmm1.net>
This commit is contained in:
Aman Gupta 2017-12-25 20:21:15 -08:00
parent ac19e63b18
commit 039007c928
2 changed files with 11 additions and 0 deletions
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3
doc/protocols.texi
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@ -321,6 +321,9 @@ Sets the maximum delay in seconds after which to give up reconnecting
@item mime_type
Export the MIME type.
@item http_version
Exports the HTTP response version number. Usually "1.0" or "1.1".
@item icy
If set to 1 request ICY (SHOUTcast) metadata from the server. If the server
supports this, the metadata has to be retrieved by the application by reading

8
libavformat/http.c
View File

@ -74,6 +74,7 @@ typedef struct HTTPContext {
char *http_proxy;
char *headers;
char *mime_type;
char *http_version;
char *user_agent;
#if FF_API_HTTP_USER_AGENT
char *user_agent_deprecated;
@ -144,6 +145,7 @@ static const AVOption options[] = {
{ "multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, D | E },
{ "post_data", "set 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, { .str = NULL }, 0, 0, AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
{ "http_version", "export the http response version", OFFSET(http_version), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY },
{ "cookies", "set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax", OFFSET(cookies), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D },
{ "icy", "request ICY metadata", OFFSET(icy), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, D },
{ "icy_metadata_headers", "return ICY metadata headers", OFFSET(icy_metadata_headers), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, AV_OPT_FLAG_EXPORT },
@ -919,6 +921,12 @@ static int process_line(URLContext *h, char *line, int line_count,
} else {
if (av_strncasecmp(p, "HTTP/1.0", 8) == 0)
s->willclose = 1;
while (*p != '/' && *p != '\0')
p++;
while (*p == '/')
p++;
av_freep(&s->http_version);
s->http_version = av_strndup(p, 3);
while (!av_isspace(*p) && *p != '\0')
p++;
while (av_isspace(*p))