Add patent disclaimer
new file: codecs_v2/audio/aac/patent_disclaimer.txt
new file: codecs_v2/audio/gsm_amr/patent_disclaimer.txt
new file: codecs_v2/audio/mp3/patent_disclaimer.txt
new file: codecs_v2/audio/sbc/patent_disclaimer.txt
new file: codecs_v2/video/avc_h264/patent_disclaimer.txt
new file: codecs_v2/video/m4v_h263/patent_disclaimer.txt
diff --git a/codecs_v2/audio/aac/patent_disclaimer.txt b/codecs_v2/audio/aac/patent_disclaimer.txt
new file mode 100644
index 0000000..b4bf11d
--- /dev/null
+++ b/codecs_v2/audio/aac/patent_disclaimer.txt
@@ -0,0 +1,9 @@
+
+THIS IS NOT A GRANT OF PATENT RIGHTS.
+
+Google makes no representation or warranty that the codecs for which
+source code is made available hereunder are unencumbered by
+third-party patents. Those intending to use this source code in
+hardware or software products are advised that implementations of
+these codecs, including in open source software or shareware, may
+require patent licenses from the relevant patent holders.
diff --git a/codecs_v2/audio/gsm_amr/patent_disclaimer.txt b/codecs_v2/audio/gsm_amr/patent_disclaimer.txt
new file mode 100644
index 0000000..b4bf11d
--- /dev/null
+++ b/codecs_v2/audio/gsm_amr/patent_disclaimer.txt
@@ -0,0 +1,9 @@
+
+THIS IS NOT A GRANT OF PATENT RIGHTS.
+
+Google makes no representation or warranty that the codecs for which
+source code is made available hereunder are unencumbered by
+third-party patents. Those intending to use this source code in
+hardware or software products are advised that implementations of
+these codecs, including in open source software or shareware, may
+require patent licenses from the relevant patent holders.
diff --git a/codecs_v2/audio/mp3/patent_disclaimer.txt b/codecs_v2/audio/mp3/patent_disclaimer.txt
new file mode 100644
index 0000000..b4bf11d
--- /dev/null
+++ b/codecs_v2/audio/mp3/patent_disclaimer.txt
@@ -0,0 +1,9 @@
+
+THIS IS NOT A GRANT OF PATENT RIGHTS.
+
+Google makes no representation or warranty that the codecs for which
+source code is made available hereunder are unencumbered by
+third-party patents. Those intending to use this source code in
+hardware or software products are advised that implementations of
+these codecs, including in open source software or shareware, may
+require patent licenses from the relevant patent holders.
diff --git a/codecs_v2/audio/sbc/patent_disclaimer.txt b/codecs_v2/audio/sbc/patent_disclaimer.txt
new file mode 100644
index 0000000..b4bf11d
--- /dev/null
+++ b/codecs_v2/audio/sbc/patent_disclaimer.txt
@@ -0,0 +1,9 @@
+
+THIS IS NOT A GRANT OF PATENT RIGHTS.
+
+Google makes no representation or warranty that the codecs for which
+source code is made available hereunder are unencumbered by
+third-party patents. Those intending to use this source code in
+hardware or software products are advised that implementations of
+these codecs, including in open source software or shareware, may
+require patent licenses from the relevant patent holders.
diff --git a/codecs_v2/video/avc_h264/patent_disclaimer.txt b/codecs_v2/video/avc_h264/patent_disclaimer.txt
new file mode 100644
index 0000000..b4bf11d
--- /dev/null
+++ b/codecs_v2/video/avc_h264/patent_disclaimer.txt
@@ -0,0 +1,9 @@
+
+THIS IS NOT A GRANT OF PATENT RIGHTS.
+
+Google makes no representation or warranty that the codecs for which
+source code is made available hereunder are unencumbered by
+third-party patents. Those intending to use this source code in
+hardware or software products are advised that implementations of
+these codecs, including in open source software or shareware, may
+require patent licenses from the relevant patent holders.
diff --git a/codecs_v2/video/m4v_h263/patent_disclaimer.txt b/codecs_v2/video/m4v_h263/patent_disclaimer.txt
new file mode 100644
index 0000000..b4bf11d
--- /dev/null
+++ b/codecs_v2/video/m4v_h263/patent_disclaimer.txt
@@ -0,0 +1,9 @@
+
+THIS IS NOT A GRANT OF PATENT RIGHTS.
+
+Google makes no representation or warranty that the codecs for which
+source code is made available hereunder are unencumbered by
+third-party patents. Those intending to use this source code in
+hardware or software products are advised that implementations of
+these codecs, including in open source software or shareware, may
+require patent licenses from the relevant patent holders.
