This should increase the effectiveness of ffio_ensure_seekback.
Note: increasing buffer size to non-streamed or write buffer should also
work, but they both cause fate failures... The reason for that should be
checked.
Signed-off-by: Marton Balint <c...@passwd.hu>
---
libavformat/aviobuf.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index aa1d6c0830..13cad7f5f0 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -938,6 +938,11 @@ int ffio_fdopen(AVIOContext **s, URLContext *h)
} else {
buffer_size = IO_BUFFER_SIZE;
}
+ if (h->flags & AVIO_FLAG_READ && h->is_streamed) {
+ if (buffer_size > INT_MAX/2)
+ return AVERROR(EINVAL);
+ buffer_size *= 2;
+ }
buffer = av_malloc(buffer_size);
if (!buffer)
return AVERROR(ENOMEM);
--
2.26.2
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