From: Michael Niedermayer <[email protected]>
Signed-off-by: Michael Niedermayer <[email protected]>
Signed-off-by: Justin Ruggles <[email protected]>
---
libavcodec/get_bits.h | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index f91441c..00ad68e 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -313,6 +313,24 @@ static inline unsigned int get_bits_long(GetBitContext *s,
int n)
}
}
+/*
+ * Read 0-64 bits.
+ */
+static inline uint64_t get_bits_longlong(GetBitContext *s, int n)
+{
+ if (n <= 32) {
+ return get_bits_long(s, n);
+ } else {
+#ifdef BITSTREAM_READER_LE
+ uint64_t ret = get_bits_long(s, 32);
+ return ret | (((uint64_t)get_bits_long(s, n-32)) << 32);
+#else
+ uint64_t ret = ((uint64_t)get_bits_long(s, 32)) << (n-32);
+ return ret | get_bits_long(s, n-32);
+#endif
+ }
+}
+
/**
* Read 0-32 bits as a signed integer.
*/
--
1.7.1
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