On Sat, 27 Oct 2012, Justin Ruggles wrote:
---
doc/APIchanges | 3 +++
libavutil/common.h | 4 ++++
libavutil/intmath.h | 41 +++++++++++++++++++++++++++++++++++++++++
libavutil/version.h | 2 +-
4 files changed, 49 insertions(+), 1 deletions(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index 24defe4..c8b8fbf 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -13,6 +13,9 @@ libavutil: 2012-10-22
API changes, most recent first:
+2012-xx-xx - xxxxxxx - lavu 52.1.0 - intmath.h
+ Add av_ctz() for trailing zero bit count
+
2012-10-18 - xxxxxxx - lavu 51.45.0 - error.h
Add AVERROR_EXPERIMENTAL
diff --git a/libavutil/common.h b/libavutil/common.h
index 3465863..fd82048 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -83,6 +83,10 @@ av_const int av_log2(unsigned v);
av_const int av_log2_16bit(unsigned v);
#endif
+#ifndef av_ctz
+av_const int av_ctz(unsigned v);
+#endif
This patch needs a concrete implementation of this function for external
callers - either in the form of the av_log2 functions that just call the
optimized version available at build time, or like the other ones in
common.h that have the fallback C version defined and hooked up there.
// Martin
_______________________________________________
libav-devel mailing list
libav-devel@libav.org
https://lists.libav.org/mailman/listinfo/libav-devel
