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author | Jack Chen | 2020-02-08 18:09:10 +0800 |
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committer | Jack Chen | 2020-02-08 18:10:29 +0800 |
commit | 7a1840cad5c362623f9fdddea85b2856d63a1e74 (patch) | |
tree | 98b17853654d9aa516151af35d2dec971b8b7d25 /media_codecs.xml | |
parent | db83268457cee66efe0e0a455cf5af2b7522a147 (diff) | |
download | aur-7a1840cad5c362623f9fdddea85b2856d63a1e74.tar.gz |
add some media codecs
Diffstat (limited to 'media_codecs.xml')
-rw-r--r-- | media_codecs.xml | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/media_codecs.xml b/media_codecs.xml new file mode 100644 index 000000000000..0b18417396c3 --- /dev/null +++ b/media_codecs.xml @@ -0,0 +1,89 @@ +<?xml version="1.0" encoding="utf-8" ?> +<!-- Copyright (C) 2012 The Android Open Source Project + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> + +<!-- +<!DOCTYPE MediaCodecs [ +<!ELEMENT Include EMPTY> +<!ATTLIST Include href CDATA #REQUIRED> +<!ELEMENT MediaCodecs (Decoders|Encoders|Include)*> +<!ELEMENT Decoders (MediaCodec|Include)*> +<!ELEMENT Encoders (MediaCodec|Include)*> +<!ELEMENT MediaCodec (Type|Quirk|Include)*> +<!ATTLIST MediaCodec name CDATA #REQUIRED> +<!ATTLIST MediaCodec type CDATA> +<!ELEMENT Type EMPTY> +<!ATTLIST Type name CDATA #REQUIRED> +<!ELEMENT Quirk EMPTY> +<!ATTLIST Quirk name CDATA #REQUIRED> +]> + +There's a simple and a complex syntax to declare the availability of a +media codec: + +A codec that properly follows the OpenMax spec and therefore doesn't have any +quirks and that only supports a single content type can be declared like so: + + <MediaCodec name="OMX.foo.bar" type="something/interesting" /> + +If a codec has quirks OR supports multiple content types, the following syntax +can be used: + + <MediaCodec name="OMX.foo.bar" > + <Type name="something/interesting" /> + <Type name="something/else" /> + ... + <Quirk name="requires-allocate-on-input-ports" /> + <Quirk name="requires-allocate-on-output-ports" /> + <Quirk name="output-buffers-are-unreadable" /> + </MediaCodec> + +Only the three quirks included above are recognized at this point: + +"requires-allocate-on-input-ports" + must be advertised if the component does not properly support specification + of input buffers using the OMX_UseBuffer(...) API but instead requires + OMX_AllocateBuffer to be used. + +"requires-allocate-on-output-ports" + must be advertised if the component does not properly support specification + of output buffers using the OMX_UseBuffer(...) API but instead requires + OMX_AllocateBuffer to be used. + +"output-buffers-are-unreadable" + must be advertised if the emitted output buffers of a decoder component + are not readable, i.e. use a custom format even though abusing one of + the official OMX colorspace constants. + Clients of such decoders will not be able to access the decoded data, + naturally making the component much less useful. The only use for + a component with this quirk is to render the output to the screen. + Audio decoders MUST NOT advertise this quirk. + Video decoders that advertise this quirk must be accompanied by a + corresponding color space converter for thumbnail extraction, + matching surfaceflinger support that can render the custom format to + a texture and possibly other code, so just DON'T USE THIS QUIRK. + +--> + +<MediaCodecs> + <Settings> + <Setting name="supports-multiple-secure-codecs" value="true" /> + <Setting name="supports-secure-with-non-secure-codec" value="true" /> + <Setting name="max-video-encoder-input-buffers" value="9" /> + </Settings> + <Include href="media_codecs_google_video.xml" /> + <Include href="media_codecs_google_audio.xml" /> + <Include href="media_codecs_google_telephony.xml" /> +</MediaCodecs> |