diff --git a/doc/protocols.texi b/doc/protocols.texi index f66f77d27e..90745c584d 100644 --- a/doc/protocols.texi +++ b/doc/protocols.texi @@ -271,6 +271,12 @@ updates. Set the cookies to be sent in future requests. The format of each cookie is the same as the value of a Set-Cookie HTTP response field. Multiple cookies can be delimited by a newline character. + +@item offset +Set initial byte offset. + +@item end_offset +Try to limit the request to bytes preceding this offset. @end table @subsection HTTP Cookies diff --git a/libavformat/http.c b/libavformat/http.c index c301e45a01..aa4618b606 100644 --- a/libavformat/http.c +++ b/libavformat/http.c @@ -52,7 +52,7 @@ typedef struct { /* Used if "Transfer-Encoding: chunked" otherwise -1. */ int64_t chunksize; char *content_type; - int64_t off, filesize, req_end_offset; + int64_t off, end_off, filesize; char *location; HTTPAuthState auth_state; HTTPAuthState proxy_auth_state; @@ -115,7 +115,7 @@ static const AVOption options[] = { {"send_expect_100", "Force sending an Expect: 100-continue header for POST", OFFSET(send_expect_100), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, E }, {"location", "The actual location of the data received", OFFSET(location), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D|E }, {"offset", "initial byte offset", OFFSET(off), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, D }, -{"end_offset", "try to limit the request to bytes preceding this offset", OFFSET(req_end_offset), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, D }, +{"end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, D }, {NULL} }; #define HTTP_CLASS(flavor)\ @@ -707,12 +707,12 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, // 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 && (s->off > 0 || s->req_end_offset || s->seekable == -1)) { + if (!has_header(s->headers, "\r\nRange: ") && !post && (s->off > 0 || s->end_off || s->seekable == -1)) { len += av_strlcatf(headers + len, sizeof(headers) - len, "Range: bytes=%"PRId64"-", s->off); - if (s->req_end_offset) + if (s->end_off) len += av_strlcatf(headers + len, sizeof(headers) - len, - "%"PRId64, s->req_end_offset - 1); + "%"PRId64, s->end_off - 1); len += av_strlcpy(headers + len, "\r\n", sizeof(headers) - len); }