/* XXX: POST protocol is not completely implemented because ffmpeg uses
only a subset of it. */
-/* used for protocol handling */
-#define BUFFER_SIZE 4096
+/* The IO buffer size is unrelated to the max URL size in itself, but needs
+ * to be large enough to fit the full request headers (including long
+ * path names).
+ */
+#define BUFFER_SIZE MAX_URL_SIZE
#define MAX_REDIRECTS 8
typedef struct {
HTTPAuthState proxy_auth_state;
char *headers;
int willclose; /**< Set if the server correctly handles Connection: close and will close the connection after feeding us the content. */
+ int seekable; /**< Control seekability, 0 = disable, 1 = enable, -1 = probe. */
int chunked_post;
int end_chunked_post; /**< A flag which indicates if the end of chunked encoding has been sent. */
int end_header; /**< A flag which indicates we have finished to read POST reply. */
uint8_t *post_data;
int post_datalen;
int is_akamai;
+ int rw_timeout;
} HTTPContext;
#define OFFSET(x) offsetof(HTTPContext, x)
#define E AV_OPT_FLAG_ENCODING_PARAM
#define DEC AV_OPT_FLAG_DECODING_PARAM
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", "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 = NULL}, 0, 0, DEC},
{"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 },
+{"timeout", "timeout of socket i/o operations", OFFSET(rw_timeout), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, D|E },
{NULL}
};
#define HTTP_CLASS(flavor)\
const char *path, *proxy_path, *lower_proto = "tcp", *local_path;
char hostname[1024], hoststr[1024], proto[10];
char auth[1024], proxyauth[1024] = "";
- char path1[1024];
- char buf[1024], urlbuf[1024];
+ char path1[MAX_URL_SIZE];
+ char buf[1024], urlbuf[MAX_URL_SIZE];
int port, use_proxy, err, location_changed = 0, redirects = 0, attempts = 0;
HTTPAuthType cur_auth_type, cur_proxy_auth_type;
HTTPContext *s = h->priv_data;
ff_url_join(buf, sizeof(buf), lower_proto, NULL, hostname, port, NULL);
if (!s->hd) {
+ AVDictionary *opts = NULL;
+ char opts_format[20];
+ if (s->rw_timeout != -1) {
+ snprintf(opts_format, sizeof(opts_format), "%d", s->rw_timeout);
+ av_dict_set(&opts, "timeout", opts_format, 0);
+ } /* if option is not given, don't pass it and let tcp use its own default */
err = ffurl_open(&s->hd, buf, AVIO_FLAG_READ_WRITE,
- &h->interrupt_callback, NULL);
+ &h->interrupt_callback, &opts);
+ av_dict_free(&opts);
if (err < 0)
goto fail;
}
{
HTTPContext *s = h->priv_data;
- h->is_streamed = 1;
+ if( s->seekable == 1 )
+ h->is_streamed = 0;
+ else
+ h->is_streamed = 1;
s->filesize = -1;
av_strlcpy(s->location, uri, sizeof(s->location));
while (isspace(*p))
p++;
if (!av_strcasecmp(tag, "Location")) {
- strcpy(s->location, p);
+ av_strlcpy(s->location, p, sizeof(s->location));
*new_location = 1;
} else if (!av_strcasecmp (tag, "Content-Length") && s->filesize == -1) {
s->filesize = strtoll(p, NULL, 10);
if ((slash = strchr(p, '/')) && strlen(slash) > 0)
s->filesize = strtoll(slash+1, NULL, 10);
}
- if (!s->is_akamai || s->filesize != 2147483647)
+ if (s->seekable == -1 && (!s->is_akamai || s->filesize != 2147483647))
h->is_streamed = 0; /* we _can_ in fact seek */
- } else if (!av_strcasecmp(tag, "Accept-Ranges") && !strncmp(p, "bytes", 5)) {
+ } else if (!av_strcasecmp(tag, "Accept-Ranges") && !strncmp(p, "bytes", 5) && s->seekable == -1) {
h->is_streamed = 0;
} else if (!av_strcasecmp (tag, "Transfer-Encoding") && !av_strncasecmp(p, "chunked", 7)) {
s->filesize = -1;
static int http_read_header(URLContext *h, int *new_location)
{
HTTPContext *s = h->priv_data;
- char line[1024];
+ char line[MAX_URL_SIZE];
int err = 0;
s->chunksize = -1;
if (!has_header(s->headers, "\r\nAccept: "))
len += av_strlcpy(headers + len, "Accept: */*\r\n",
sizeof(headers) - len);
- // Note: we send this on purpose even when s->off is 0,
+ // Note: we send this on purpose even when s->off is 0 when we're probing,
// since it allows us to detect more reliably if a (non-conforming)
// server supports seeking by analysing the reply headers.
- if (!has_header(s->headers, "\r\nRange: ") && !post)
+ if (!has_header(s->headers, "\r\nRange: ") && !post && (s->off > 0 || s->seekable == -1))
len += av_strlcatf(headers + len, sizeof(headers) - len,
"Range: bytes=%"PRId64"-\r\n", s->off);
HTTPAuthType cur_auth_type;
char *authstr;
int new_loc;
+ AVDictionary *opts = NULL;
+ char opts_format[20];
- h->is_streamed = 1;
+ if( s->seekable == 1 )
+ h->is_streamed = 0;
+ else
+ h->is_streamed = 1;
av_url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
pathbuf, sizeof(pathbuf), uri);
ff_url_join(lower_url, sizeof(lower_url), "tcp", NULL, hostname, port,
NULL);
redo:
+ if (s->rw_timeout != -1) {
+ snprintf(opts_format, sizeof(opts_format), "%d", s->rw_timeout);
+ av_dict_set(&opts, "timeout", opts_format, 0);
+ } /* if option is not given, don't pass it and let tcp use its own default */
ret = ffurl_open(&s->hd, lower_url, AVIO_FLAG_READ_WRITE,
- &h->interrupt_callback, NULL);
+ &h->interrupt_callback, &opts);
+ av_dict_free(&opts);
if (ret < 0)
return ret;