diff options
-rw-r--r-- | apps/codecs/lib/codeclib.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/apps/codecs/lib/codeclib.h b/apps/codecs/lib/codeclib.h index bf7b41775a..a5ecb73027 100644 --- a/apps/codecs/lib/codeclib.h +++ b/apps/codecs/lib/codeclib.h | |||
@@ -79,8 +79,7 @@ unsigned udiv32_arm(unsigned a, unsigned b); | |||
79 | #if (defined(CPU_ARM) && (ARM_ARCH > 4)) | 79 | #if (defined(CPU_ARM) && (ARM_ARCH > 4)) |
80 | static inline unsigned int av_log2(uint32_t v) | 80 | static inline unsigned int av_log2(uint32_t v) |
81 | { | 81 | { |
82 | unsigned int lz = __builtin_clz(v); | 82 | return v ? 31 - __builtin_clz(v) : v; |
83 | return 31 - lz + (lz >> 5); /* make sure av_log2(0) returns 0 */ | ||
84 | } | 83 | } |
85 | #else | 84 | #else |
86 | /* From libavutil/common.h */ | 85 | /* From libavutil/common.h */ |