Make channel layout masks unsigned

It makes more sense for a bit mask to use an unsigned type.
The change should be source and binary compatible on all
supported systems, hence micro version bump.

Fixes a few invalid shifts.

Signed-off-by: Mans Rullgard <mans@mansr.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/libavutil/audioconvert.c b/libavutil/audioconvert.c
index 7250e36d90..52656c7302 100644
--- a/libavutil/audioconvert.c
+++ b/libavutil/audioconvert.c
@@ -60,7 +60,7 @@ static const char *get_channel_name(int channel_id)
 static const struct {
     const char *name;
     int         nb_channels;
-    int64_t     layout;
+    uint64_t     layout;
 } channel_layout_map[] = {
     { "mono",        1,  AV_CH_LAYOUT_MONO },
     { "stereo",      2,  AV_CH_LAYOUT_STEREO },
@@ -77,7 +77,7 @@ static const struct {
     { 0 }
 };
 
-int64_t av_get_channel_layout(const char *name)
+uint64_t av_get_channel_layout(const char *name)
 {
     int i = 0;
     do {
@@ -90,7 +90,7 @@ int64_t av_get_channel_layout(const char *name)
 }
 
 void av_get_channel_layout_string(char *buf, int buf_size,
-                                  int nb_channels, int64_t channel_layout)
+                                  int nb_channels, uint64_t channel_layout)
 {
     int i;
 
@@ -123,7 +123,7 @@ void av_get_channel_layout_string(char *buf, int buf_size,
     }
 }
 
-int av_get_channel_layout_nb_channels(int64_t channel_layout)
+int av_get_channel_layout_nb_channels(uint64_t channel_layout)
 {
     int count;
     uint64_t x = channel_layout;