lavf: move ff_put_str16_nolen from asf to avio and rename it

It will be useful in the mp3 muxer.

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

1 files changed, 17 insertions, 0 deletions

diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index 4f0c16c308..5aeced1b9f 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -283,6 +283,23 @@ int avio_put_str(ByteIOContext *s, const char *str)
     return len;
 }
 
+int avio_put_str16le(ByteIOContext *s, const char *str)
+{
+    const uint8_t *q = str;
+    int ret = 0;
+
+    while (*q) {
+        uint32_t ch;
+        uint16_t tmp;
+
+        GET_UTF8(ch, *q++, break;)
+        PUT_UTF16(ch, tmp, put_le16(s, tmp);ret += 2;)
+    }
+    put_le16(s, 0);
+    ret += 2;
+    return ret;
+}
+
 int ff_get_v_length(uint64_t val){
     int i=1;