diff options
Diffstat (limited to 'configs')
| -rw-r--r-- | configs/media_codecs.xml | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/configs/media_codecs.xml b/configs/media_codecs.xml new file mode 100644 index 0000000..3debf0b --- /dev/null +++ b/configs/media_codecs.xml @@ -0,0 +1,134 @@ +<?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 MediaCodecs (Decoders,Encoders)> +<!ELEMENT Decoders (MediaCodec*)> +<!ELEMENT Encoders (MediaCodec*)> +<!ELEMENT MediaCodec (Type*,Quirk*)> +<!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> + + <Include href="media_codecs_google_video.xml" /> + <Include href="media_codecs_ffmpeg.xml" /> + <Include href="media_codecs_google_audio.xml" /> + <Include href="media_codecs_google_telephony.xml" /> + + <Decoders> + <MediaCodec name="OMX.SEC.MPEG4.Decoder" type="video/mp4v-es" > + <Limit name="size" min="64x64" max="1920x1088" /> + <Limit name="alignment" value="2x2" /> + <Limit name="block-size" value="16x16" /> + <Limit name="blocks-per-second" min="1" max="244800" /> + <Limit name="bitrate" range="1-20000000" /> + </MediaCodec> + <MediaCodec name="OMX.SEC.H263.Decoder" type="video/3gpp" > + <Limit name="size" min="64x64" max="800x480" /> + <Limit name="alignment" value="2x2" /> + <Limit name="block-size" value="16x16" /> + <Limit name="blocks-per-second" min="1" max="45000" /> + <Limit name="bitrate" range="1-6000000" /> + </MediaCodec> + <MediaCodec name="OMX.SEC.AVC.Decoder" type="video/avc" > + <Limit name="size" min="64x64" max="1920x1088" /> + <Limit name="alignment" value="2x2" /> + <Limit name="block-size" value="16x16" /> + <Limit name="blocks-per-second" min="1" max="244800" /> + <Limit name="bitrate" range="1-20000000" /> + </MediaCodec> + </Decoders> + <Encoders> + <MediaCodec name="OMX.SEC.MPEG4.Encoder" type="video/mp4v-es" > + <Quirk name="requires-loaded-to-idle-after-allocation"/> + <Limit name="size" min="96x64" max="1920x1088" /> + <Limit name="alignment" value="2x2" /> + <Limit name="block-size" value="16x16" /> + <Limit name="blocks-per-second" min="1" max="244800" /> + <Limit name="bitrate" range="1-20000000" /> + </MediaCodec> + <MediaCodec name="OMX.SEC.H263.Encoder" type="video/3gpp" > + <Quirk name="requires-loaded-to-idle-after-allocation" /> + <Limit name="size" min="96x64" max="800x480" /> + <Limit name="alignment" value="2x2" /> + <Limit name="block-size" value="16x16" /> + <Limit name="blocks-per-second" min="1" max="244800" /> + <Limit name="bitrate" range="1-6000000" /> + </MediaCodec> + <MediaCodec name="OMX.SEC.AVC.Encoder" type="video/avc" > + <Quirk name="requires-loaded-to-idle-after-allocation" /> + <Limit name="size" min="96x64" max="1920x1088" /> + <Limit name="alignment" value="2x2" /> + <Limit name="block-size" value="16x16" /> + <Limit name="blocks-per-second" min="1" max="244800" /> + <Limit name="bitrate" range="1-20000000" /> + </MediaCodec> + </Encoders> +</MediaCodecs> |