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avformat/http: fix noop seek check

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This fails to consider the case of whence == SEEK_END and the resulting
offset happening to exactly match the current position.

Reorder the check to compute the target position first, then compare.
This commit is contained in:
Niklas Haas
2026-01-22 15:31:02 +01:00
committed by Niklas Haas
parent c352a9ab02
commit 5f95a1e714
1 changed files with 2 additions and 4 deletions
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6
libavformat/http.c
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@@ -2008,10 +2008,6 @@ static int64_t http_seek_internal(URLContext *h, int64_t off, int whence, int fo
if (whence == AVSEEK_SIZE)
return s->filesize;
else if (!force_reconnect &&
((whence == SEEK_CUR && off == 0) ||
(whence == SEEK_SET && off == s->off)))
return s->off;
else if ((s->filesize == UINT64_MAX && whence == SEEK_END))
return AVERROR(ENOSYS);
@@ -2023,6 +2019,8 @@ static int64_t http_seek_internal(URLContext *h, int64_t off, int whence, int fo
return AVERROR(EINVAL);
if (off < 0)
return AVERROR(EINVAL);
if (!force_reconnect && off == s->off)
return s->off;
s->off = off;
if (s->off && h->is_streamed)