xref: /aosp_15_r20/external/libdav1d/doc/PATENTS (revision c09093415860a1c2373dacd84c4fde00c507cdfd)
1*c0909341SAndroid Build Coastguard WorkerAlliance for Open Media Patent License 1.0
2*c0909341SAndroid Build Coastguard Worker
3*c0909341SAndroid Build Coastguard Worker1. License Terms.
4*c0909341SAndroid Build Coastguard Worker
5*c0909341SAndroid Build Coastguard Worker1.1. Patent License. Subject to the terms and conditions of this License, each
6*c0909341SAndroid Build Coastguard Worker     Licensor, on behalf of itself and successors in interest and assigns,
7*c0909341SAndroid Build Coastguard Worker     grants Licensee a non-sublicensable, perpetual, worldwide, non-exclusive,
8*c0909341SAndroid Build Coastguard Worker     no-charge, royalty-free, irrevocable (except as expressly stated in this
9*c0909341SAndroid Build Coastguard Worker     License) patent license to its Necessary Claims to make, use, sell, offer
10*c0909341SAndroid Build Coastguard Worker     for sale, import or distribute any Implementation.
11*c0909341SAndroid Build Coastguard Worker
12*c0909341SAndroid Build Coastguard Worker1.2. Conditions.
13*c0909341SAndroid Build Coastguard Worker
14*c0909341SAndroid Build Coastguard Worker1.2.1. Availability. As a condition to the grant of rights to Licensee to make,
15*c0909341SAndroid Build Coastguard Worker       sell, offer for sale, import or distribute an Implementation under
16*c0909341SAndroid Build Coastguard Worker       Section 1.1, Licensee must make its Necessary Claims available under
17*c0909341SAndroid Build Coastguard Worker       this License, and must reproduce this License with any Implementation
18*c0909341SAndroid Build Coastguard Worker       as follows:
19*c0909341SAndroid Build Coastguard Worker
20*c0909341SAndroid Build Coastguard Worker       a. For distribution in source code, by including this License in the
21*c0909341SAndroid Build Coastguard Worker          root directory of the source code with its Implementation.
22*c0909341SAndroid Build Coastguard Worker
23*c0909341SAndroid Build Coastguard Worker       b. For distribution in any other form (including binary, object form,
24*c0909341SAndroid Build Coastguard Worker          and/or hardware description code (e.g., HDL, RTL, Gate Level Netlist,
25*c0909341SAndroid Build Coastguard Worker          GDSII, etc.)), by including this License in the documentation, legal
26*c0909341SAndroid Build Coastguard Worker          notices, and/or other written materials provided with the
27*c0909341SAndroid Build Coastguard Worker          Implementation.
28*c0909341SAndroid Build Coastguard Worker
29*c0909341SAndroid Build Coastguard Worker1.2.2. Additional Conditions. This license is directly from Licensor to
30*c0909341SAndroid Build Coastguard Worker       Licensee.  Licensee acknowledges as a condition of benefiting from it
31*c0909341SAndroid Build Coastguard Worker       that no rights from Licensor are received from suppliers, distributors,
32*c0909341SAndroid Build Coastguard Worker       or otherwise in connection with this License.
33*c0909341SAndroid Build Coastguard Worker
34*c0909341SAndroid Build Coastguard Worker1.3. Defensive Termination. If any Licensee, its Affiliates, or its agents
35*c0909341SAndroid Build Coastguard Worker     initiates patent litigation or files, maintains, or voluntarily
36*c0909341SAndroid Build Coastguard Worker     participates in a lawsuit against another entity or any person asserting
37*c0909341SAndroid Build Coastguard Worker     that any Implementation infringes Necessary Claims, any patent licenses
38*c0909341SAndroid Build Coastguard Worker     granted under this License directly to the Licensee are immediately
39*c0909341SAndroid Build Coastguard Worker     terminated as of the date of the initiation of action unless 1) that suit
40*c0909341SAndroid Build Coastguard Worker     was in response to a corresponding suit regarding an Implementation first
41*c0909341SAndroid Build Coastguard Worker     brought against an initiating entity, or 2) that suit was brought to
42*c0909341SAndroid Build Coastguard Worker     enforce the terms of this License (including intervention in a third-party
43*c0909341SAndroid Build Coastguard Worker     action by a Licensee).
44*c0909341SAndroid Build Coastguard Worker
45*c0909341SAndroid Build Coastguard Worker1.4. Disclaimers. The Reference Implementation and Specification are provided
46*c0909341SAndroid Build Coastguard Worker     "AS IS" and without warranty. The entire risk as to implementing or
47*c0909341SAndroid Build Coastguard Worker     otherwise using the Reference Implementation or Specification is assumed
48*c0909341SAndroid Build Coastguard Worker     by the implementer and user. Licensor expressly disclaims any warranties
49*c0909341SAndroid Build Coastguard Worker     (express, implied, or otherwise), including implied warranties of
50*c0909341SAndroid Build Coastguard Worker     merchantability, non-infringement, fitness for a particular purpose, or
51*c0909341SAndroid Build Coastguard Worker     title, related to the material. IN NO EVENT WILL LICENSOR BE LIABLE TO
52*c0909341SAndroid Build Coastguard Worker     ANY OTHER PARTY FOR LOST PROFITS OR ANY FORM OF INDIRECT, SPECIAL,
53*c0909341SAndroid Build Coastguard Worker     INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER FROM ANY CAUSES OF
54*c0909341SAndroid Build Coastguard Worker     ACTION OF ANY KIND WITH RESPECT TO THIS LICENSE, WHETHER BASED ON BREACH
55*c0909341SAndroid Build Coastguard Worker     OF CONTRACT, TORT (INCLUDING NEGLIGENCE), OR OTHERWISE, AND WHETHER OR
56*c0909341SAndroid Build Coastguard Worker     NOT THE OTHER PARTRY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57*c0909341SAndroid Build Coastguard Worker
58*c0909341SAndroid Build Coastguard Worker2. Definitions.
59*c0909341SAndroid Build Coastguard Worker
60*c0909341SAndroid Build Coastguard Worker2.1. Affiliate.  “Affiliate” means an entity that directly or indirectly
61*c0909341SAndroid Build Coastguard Worker     Controls, is Controlled by, or is under common Control of that party.
62*c0909341SAndroid Build Coastguard Worker
63*c0909341SAndroid Build Coastguard Worker2.2. Control. “Control” means direct or indirect control of more than 50% of
64*c0909341SAndroid Build Coastguard Worker     the voting power to elect directors of that corporation, or for any other
65*c0909341SAndroid Build Coastguard Worker     entity, the power to direct management of such entity.
66*c0909341SAndroid Build Coastguard Worker
67*c0909341SAndroid Build Coastguard Worker2.3. Decoder.  "Decoder" means any decoder that conforms fully with all
68*c0909341SAndroid Build Coastguard Worker     non-optional portions of the Specification.
69*c0909341SAndroid Build Coastguard Worker
70*c0909341SAndroid Build Coastguard Worker2.4. Encoder.  "Encoder" means any encoder that produces a bitstream that can
71*c0909341SAndroid Build Coastguard Worker     be decoded by a Decoder only to the extent it produces such a bitstream.
72*c0909341SAndroid Build Coastguard Worker
73*c0909341SAndroid Build Coastguard Worker2.5. Final Deliverable.  “Final Deliverable” means the final version of a
74*c0909341SAndroid Build Coastguard Worker     deliverable approved by the Alliance for Open Media as a Final
75*c0909341SAndroid Build Coastguard Worker     Deliverable.
76*c0909341SAndroid Build Coastguard Worker
77*c0909341SAndroid Build Coastguard Worker2.6. Implementation.  "Implementation" means any implementation, including the
78*c0909341SAndroid Build Coastguard Worker     Reference Implementation, that is an Encoder and/or a Decoder. An
79*c0909341SAndroid Build Coastguard Worker     Implementation also includes components of an Implementation only to the
80*c0909341SAndroid Build Coastguard Worker     extent they are used as part of an Implementation.
81*c0909341SAndroid Build Coastguard Worker
82*c0909341SAndroid Build Coastguard Worker2.7. License. “License” means this license.
83*c0909341SAndroid Build Coastguard Worker
84*c0909341SAndroid Build Coastguard Worker2.8. Licensee. “Licensee” means any person or entity who exercises patent
85*c0909341SAndroid Build Coastguard Worker     rights granted under this License.
86*c0909341SAndroid Build Coastguard Worker
87*c0909341SAndroid Build Coastguard Worker2.9. Licensor.  "Licensor" means (i) any Licensee that makes, sells, offers
88*c0909341SAndroid Build Coastguard Worker     for sale, imports or distributes any Implementation, or (ii) a person
89*c0909341SAndroid Build Coastguard Worker     or entity that has a licensing obligation to the Implementation as a
90*c0909341SAndroid Build Coastguard Worker     result of its membership and/or participation in the Alliance for Open
91*c0909341SAndroid Build Coastguard Worker     Media working group that developed the Specification.
92*c0909341SAndroid Build Coastguard Worker
93*c0909341SAndroid Build Coastguard Worker2.10. Necessary Claims.  "Necessary Claims" means all claims of patents or
94*c0909341SAndroid Build Coastguard Worker      patent applications, (a) that currently or at any time in the future,
95*c0909341SAndroid Build Coastguard Worker      are owned or controlled by the Licensor, and (b) (i) would be an
96*c0909341SAndroid Build Coastguard Worker      Essential Claim as defined by the W3C Policy as of February 5, 2004
97*c0909341SAndroid Build Coastguard Worker      (https://www.w3.org/Consortium/Patent-Policy-20040205/#def-essential)
98*c0909341SAndroid Build Coastguard Worker      as if the Specification was a W3C Recommendation; or (ii) are infringed
99*c0909341SAndroid Build Coastguard Worker      by the Reference Implementation.
100*c0909341SAndroid Build Coastguard Worker
101*c0909341SAndroid Build Coastguard Worker2.11. Reference Implementation. “Reference Implementation” means an Encoder
102*c0909341SAndroid Build Coastguard Worker      and/or Decoder released by the Alliance for Open Media as a Final
103*c0909341SAndroid Build Coastguard Worker      Deliverable.
104*c0909341SAndroid Build Coastguard Worker
105*c0909341SAndroid Build Coastguard Worker2.12. Specification. “Specification” means the specification designated by
106*c0909341SAndroid Build Coastguard Worker      the Alliance for Open Media as a Final Deliverable for which this
107*c0909341SAndroid Build Coastguard Worker      License was issued.
108*c0909341SAndroid Build Coastguard Worker
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