summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--libavcodec/get_bits.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/libavcodec/get_bits.h b/libavcodec/get_bits.h
index 0aabca23cc..05ac8f7ef9 100644
--- a/libavcodec/get_bits.h
+++ b/libavcodec/get_bits.h
@@ -316,6 +316,24 @@ 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.
*/
static inline int get_sbits_long(GetBitContext *s, int n)