This allows us to adjust it internally.
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
---
libavformat/avio.h | 6 ++++++
libavformat/aviobuf.c | 3 ++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/libavformat/avio.h b/libavformat/avio.h
index 51913e3..480b051 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -196,6 +196,12 @@ typedef struct AVIOContext {
* This field is internal to libavformat and access from outside is not
allowed.
*/
int orig_buffer_size;
+
+ /**
+ * Threshold to favor readahead over seek.
+ * This is current internal only, do not use from outside.
+ */
+ int short_seek_threshold;
} AVIOContext;
/* unbuffered I/O */
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index aad97ae..2e69705 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -97,6 +97,7 @@ int ffio_init_context(AVIOContext *s,
s->seekable = seek ? AVIO_SEEKABLE_NORMAL : 0;
s->max_packet_size = 0;
s->update_checksum = NULL;
+ s->short_seek_threshold = SHORT_SEEK_THRESHOLD;
if (!read_packet && !write_flag) {
s->pos = buffer_size;
@@ -232,7 +233,7 @@ int64_t avio_seek(AVIOContext *s, int64_t offset, int
whence)
/* can do the seek inside the buffer */
s->buf_ptr = s->buffer + offset1;
} else if ((!s->seekable ||
- offset1 <= s->buf_end + SHORT_SEEK_THRESHOLD - s->buffer) &&
+ offset1 <= s->buf_end + s->short_seek_threshold - s->buffer) &&
!s->write_flag && offset1 >= 0 &&
(!s->direct || !s->seek) &&
(whence != SEEK_END || force)) {
--
1.7.9.5
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