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http: Send a Range header even when the offset is 0

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Using Range allows for getting the full file size from the
Content-Range header in the response, even if the server sends
back the response using chunked Transfer-Encoding, which does not
allow using Content-Length.
This commit is contained in:
Justin Ruggles 2022-02-02 10:39:23 -05:00 committed by Vittorio Giovara
parent c1228315c9
commit 0dd1ff67c8
1 changed files with 2 additions and 2 deletions
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4
libavformat/http.c
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@ -1469,10 +1469,10 @@ static int http_connect(URLContext *h, const char *path, const char *local_path,
} }
if (!has_header(s->headers, "\r\nAccept: ")) if (!has_header(s->headers, "\r\nAccept: "))
av_bprintf(&request, "Accept: */*\r\n"); av_bprintf(&request, "Accept: */*\r\n");
// Note: we send this on purpose even when s->off is 0 when we're probing, // Note: we send the Range header on purpose, even when we're probing,
// since it allows us to detect more reliably if a (non-conforming) // since it allows us to detect more reliably if a (non-conforming)
// server supports seeking by analysing the reply headers. // server supports seeking by analysing the reply headers.
if (!has_header(s->headers, "\r\nRange: ") && !post && (s->off > 0 || s->end_off || s->seekable == -1)) { if (!has_header(s->headers, "\r\nRange: ") && !post && (s->off > 0 || s->end_off || s->seekable != 0)) {
av_bprintf(&request, "Range: bytes=%"PRIu64"-", s->off); av_bprintf(&request, "Range: bytes=%"PRIu64"-", s->off);
if (s->end_off) if (s->end_off)
av_bprintf(&request, "%"PRId64, s->end_off - 1); av_bprintf(&request, "%"PRId64, s->end_off - 1);