decode latency patch by (Leon van Stuivenberg <l dot vanstuivenberg at chello dot nl>)

Originally committed as revision 2896 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 16 insertions, 0 deletions

diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c
index de140966c6..75f97a5b40 100644
--- a/libavformat/aviobuf.c
+++ b/libavformat/aviobuf.c
@@ -309,6 +309,22 @@ int get_buffer(ByteIOContext *s, unsigned char *buf, int size)
     return size1 - size;
 }
 
+int get_partial_buffer(ByteIOContext *s, unsigned char *buf, int size)
+{
+    int len;
+
+    len = s->buf_end - s->buf_ptr;
+    if (len == 0) {
+        fill_buffer(s);
+        len = s->buf_end - s->buf_ptr;
+    }
+    if (len > size)
+        len = size;
+    memcpy(buf, s->buf_ptr, len);
+    s->buf_ptr += len;
+    return len;
+}
+
 unsigned int get_le16(ByteIOContext *s)
 {
     unsigned int val;