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Example: clean out tuna ramdisk files

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- these seem to confuse new adopters, so end up left in the ramdisks of various devices where they are not applicable

DO NOT MERGE if you have already updated your ramdisk properly for your device
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osm0sis committed 2017-02-27 16:01:15 -04:00
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README.md
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@@ -78,7 +78,7 @@ If supporting a recovery that forces zip signature verification (like Cyanogen R
http://forum.xda-developers.com/android/software-hacking/dev-complete-shell-script-flashable-zip-t2934449
Not required, but any tweaks you can't hardcode into the source should be added with a bootscript.sh like is done in the example provided.
Not required, but any tweaks you can't hardcode into the source (best practice) should be added with an additional init.tweaks.rc or bootscript.sh to minimize the necessary ramdisk changes.
Have fun!
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ramdisk/sbin/bb/busybox
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ramdisk/sbin/dvbootscript.sh
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#!/system/bin/sh
# portions from franciscofranco, ak, boype & osm0sis + Franco's Dev Team
# custom busybox installation shortcut
bb=/sbin/bb/busybox;
# disable sysctl.conf to prevent ROM interference with tunables
$bb mount -o rw,remount /system;
$bb [ -e /system/etc/sysctl.conf ] && $bb mv -f /system/etc/sysctl.conf /system/etc/sysctl.conf.dvbak;
# disable the PowerHAL since there is now a kernel-side touch boost implemented
$bb [ -e /system/lib/hw/power.tuna.so.dvbak ] || $bb cp /system/lib/hw/power.tuna.so /system/lib/hw/power.tuna.so.dvbak;
$bb [ -e /system/lib/hw/power.tuna.so ] && $bb rm -f /system/lib/hw/power.tuna.so;
# backup and replace Host AP Daemon for working Wi-Fi tether on 3.4 kernel Wi-Fi drivers
$bb [ -e /system/bin/hostapd.dvbak ] || $bb cp /system/bin/hostapd /system/bin/hostapd.dvbak;
$bb cp -f /sbin/hostapd /system/bin/;
$bb chown root.shell /system/bin/hostapd;
$bb chmod 755 /system/bin/hostapd;
# backup and replace Media Codec Profiles if on SR builds, restore if not, and push init.d script for other kernels
case `uname -r` in
*DirtyV-SR|*SmittyV)
$bb [ -e /system/etc/media_profiles.xml.dvbak ] || $bb cp /system/etc/media_profiles.xml /system/etc/media_profiles.xml.dvbak;
$bb cp -f /sbin/media_profiles.xml /system/etc/;
$bb chmod 644 /system/etc/media_profiles.xml;;
*)
$bb [ -e /system/etc/media_profiles.xml.dvbak ] && $bb mv -f /system/etc/media_profiles.xml.dvbak /system/etc/media_profiles.xml;
$bb chmod 644 /system/etc/media_profiles.xml;;
esac;
$bb cp -f /sbin/dvmediarevert /system/etc/init.d/;
$bb chmod 755 /system/etc/init.d/dvmediarevert;
# create and set permissions for /system/etc/init.d if it doesn't already exist
if [ ! -e /system/etc/init.d ]; then
$bb mkdir /system/etc/init.d;
$bb chown -R root.root /system/etc/init.d;
$bb chmod -R 755 /system/etc/init.d;
fi;
$bb mount -o ro,remount /system;
# fix permissions for any included governors (and older underlying ramdisks)
governor=reset;
while sleep 1; do
current=`cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor`;
if [ $governor != $current ]; then
governor=$current;
for i in /sys/devices/system/cpu/cpufreq/*; do
$bb chown system:system $i/*;
$bb chmod 664 $i/*;
done;
fi;
done&
# disable debugging
echo 0 > /sys/module/wakelock/parameters/debug_mask;
echo 0 > /sys/module/userwakelock/parameters/debug_mask;
echo 0 > /sys/module/earlysuspend/parameters/debug_mask;
echo 0 > /sys/module/alarm/parameters/debug_mask;
echo 0 > /sys/module/alarm_dev/parameters/debug_mask;
echo 0 > /sys/module/binder/parameters/debug_mask;
# suitable configuration to help reduce network latency
echo 2 > /proc/sys/net/ipv4/tcp_ecn;
echo 1 > /proc/sys/net/ipv4/tcp_sack;
echo 1 > /proc/sys/net/ipv4/tcp_dsack;
echo 1 > /proc/sys/net/ipv4/tcp_low_latency;
echo 1 > /proc/sys/net/ipv4/tcp_timestamps;
# reduce txqueuelen to 0 to switch from a packet queue to a byte one
for i in /sys/class/net/*; do
echo 0 > $i/tx_queue_len;
done;
# initialize timer slack
echo 100000000 > /dev/cpuctl/apps/bg_non_interactive/timer_slack.min_slack_ns;
# decrease fs lease time
echo 10 > /proc/sys/fs/lease-break-time;
# tweak for slightly larger kernel entropy pool
echo 128 > /proc/sys/kernel/random/read_wakeup_threshold;
echo 256 > /proc/sys/kernel/random/write_wakeup_threshold;
# disable ASLR
echo 0 > /proc/sys/kernel/randomize_va_space;
# double the default minfree kb
echo 2884 > /proc/sys/vm/min_free_kbytes;
# general queue tweaks
for i in /sys/block/*/queue; do
echo 512 > $i/nr_requests;
echo 512 > $i/read_ahead_kb;
echo 2 > $i/rq_affinity;
echo 0 > $i/nomerges;
echo 0 > $i/add_random;
echo 0 > $i/rotational;
done;
# remount sysfs+sdcard with noatime,nodiratime since that's all they accept
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto /;
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto /proc;
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto /sys;
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto /sys/kernel/debug;
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto /mnt/shell/emulated;
for i in /storage/emulated/*; do
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto $i;
$bb mount -o remount,nosuid,nodev,noatime,nodiratime -t auto $i/Android/obb;
done;
# lmk tweaks for fewer empty background processes
minfree=6144,8192,12288,16384,24576,40960;
lmk=/sys/module/lowmemorykiller/parameters/minfree;
minboot=`cat $lmk`;
while sleep 1; do
if [ `cat $lmk` != $minboot ]; then
[ `cat $lmk` != $minfree ] && echo $minfree > $lmk || exit;
fi;
done&
# wait for systemui and increase its priority
while sleep 1; do
if [ `$bb pidof com.android.systemui` ]; then
systemui=`$bb pidof com.android.systemui`;
$bb renice -18 $systemui;
$bb echo -17 > /proc/$systemui/oom_adj;
$bb chmod 100 /proc/$systemui/oom_adj;
exit;
fi;
done&
# lmk whitelist for common launchers and increase launcher priority
list="com.android.launcher com.google.android.googlequicksearchbox org.adw.launcher org.adwfreak.launcher net.alamoapps.launcher com.anddoes.launcher com.android.lmt com.chrislacy.actionlauncher.pro com.cyanogenmod.trebuchet com.gau.go.launcherex com.gtp.nextlauncher com.miui.mihome2 com.mobint.hololauncher com.mobint.hololauncher.hd com.qihoo360.launcher com.teslacoilsw.launcher com.tsf.shell org.zeam";
while sleep 60; do
for class in $list; do
if [ `$bb pgrep $class | head -n 1` ]; then
launcher=`$bb pgrep $class`;
$bb echo -17 > /proc/$launcher/oom_adj;
$bb chmod 100 /proc/$launcher/oom_adj;
$bb renice -18 $launcher;
fi;
done;
exit;
done&
ramdisk/sbin/dvmediarevert
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#!/system/bin/sh
# chmod -R 755 /system/etc/init.d
# osm0sis @ xda-developers
# restore media_profiles.xml, power.tuna.so and hostapd if switching to another kernel from DirtyV
busybox mount -o rw,remount /system;
case `uname -r` in
*DirtyV*|*SmittyV) ;;
*) [ -e /system/etc/media_profiles.xml.dvbak ] && mv /system/etc/media_profiles.xml.dvbak /system/etc/media_profiles.xml;
[ -e /system/lib/hw/power.tuna.so.dvbak ] && mv /system/lib/hw/power.tuna.so.dvbak /system/lib/hw/power.tuna.so;
[ -e /system/bin/hostapd.dvbak ] && mv /system/bin/hostapd.dvbak /system/bin/hostapd;
[ -e /system/etc/media_profiles.xml.dvbak -o -e /system/lib/hw/power.tuna.so.dvbak -o -e /system/bin/hostapd.dvbak ] || rm -f /system/etc/init.d/dvmediarevert;
chmod 644 /system/etc/media_profiles.xml /system/lib/hw/power.tuna.so;
chmod 755 /system/bin/hostapd;;
esac;
busybox mount -o ro,remount /system;
ramdisk/sbin/hostapd
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ramdisk/sbin/media_profiles.xml
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<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2010 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 MediaSettings [
<!ELEMENT MediaSettings (CamcorderProfiles,
EncoderOutputFileFormat+,
VideoEncoderCap+,
AudioEncoderCap+,
VideoDecoderCap,
AudioDecoderCap)>
<!ELEMENT CamcorderProfiles (EncoderProfile+, ImageEncoding+, ImageDecoding, Camera)>
<!ELEMENT EncoderProfile (Video, Audio)>
<!ATTLIST EncoderProfile quality (high|low) #REQUIRED>
<!ATTLIST EncoderProfile fileFormat (mp4|3gp) #REQUIRED>
<!ATTLIST EncoderProfile duration (30|60) #REQUIRED>
<!ATTLIST EncoderProfile cameraId (0|1) #REQUIRED>
<!ELEMENT Video EMPTY>
<!ATTLIST Video codec (h264|h263|m4v) #REQUIRED>
<!ATTLIST Video bitRate CDATA #REQUIRED>
<!ATTLIST Video width CDATA #REQUIRED>
<!ATTLIST Video height CDATA #REQUIRED>
<!ATTLIST Video frameRate CDATA #REQUIRED>
<!ELEMENT Audio EMPTY>
<!ATTLIST Audio codec (amrnb|amrwb|aac) #REQUIRED>
<!ATTLIST Audio bitRate CDATA #REQUIRED>
<!ATTLIST Audio sampleRate CDATA #REQUIRED>
<!ATTLIST Audio channels (1|2) #REQUIRED>
<!ELEMENT ImageEncoding EMPTY>
<!ATTLIST ImageEncoding quality (90|80|70|60|50|40) #REQUIRED>
<!ELEMENT ImageDecoding EMPTY>
<!ATTLIST ImageDecoding memCap CDATA #REQUIRED>
<!ELEMENT Camera EMPTY>
<!ELEMENT EncoderOutputFileFormat EMPTY>
<!ATTLIST EncoderOutputFileFormat name (mp4|3gp) #REQUIRED>
<!ELEMENT VideoEncoderCap EMPTY>
<!ATTLIST VideoEncoderCap name (h264|h263|m4v|wmv) #REQUIRED>
<!ATTLIST VideoEncoderCap enabled (true|false) #REQUIRED>
<!ATTLIST VideoEncoderCap minBitRate CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap maxBitRate CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap minFrameWidth CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap maxFrameWidth CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap minFrameHeight CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap maxFrameHeight CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap minFrameRate CDATA #REQUIRED>
<!ATTLIST VideoEncoderCap maxFrameRate CDATA #REQUIRED>
<!ELEMENT AudioEncoderCap EMPTY>
<!ATTLIST AudioEncoderCap name (amrnb|amrwb|aac|heaac|aaceld|wma) #REQUIRED>
<!ATTLIST AudioEncoderCap enabled (true|false) #REQUIRED>
<!ATTLIST AudioEncoderCap minBitRate CDATA #REQUIRED>
<!ATTLIST AudioEncoderCap maxBitRate CDATA #REQUIRED>
<!ATTLIST AudioEncoderCap minSampleRate CDATA #REQUIRED>
<!ATTLIST AudioEncoderCap maxSampleRate CDATA #REQUIRED>
<!ATTLIST AudioEncoderCap minChannels (1|2) #REQUIRED>
<!ATTLIST AudioEncoderCap maxChannels (1|2) #REQUIRED>
<!ELEMENT VideoDecoderCap EMPTY>
<!ATTLIST VideoDecoderCap name (wmv) #REQUIRED>
<!ATTLIST VideoDecoderCap enabled (true|false) #REQUIRED>
<!ELEMENT AudioDecoderCap EMPTY>
<!ATTLIST AudioDecoderCap name (wma) #REQUIRED>
<!ATTLIST AudioDecoderCap enabled (true|false) #REQUIRED>
<!ELEMENT VideoEditorCap EMPTY>
<!ATTLIST VideoEditorCap maxInputFrameWidth CDATA #REQUIRED>
<!ATTLIST VideoEditorCap maxInputFrameHeight CDATA #REQUIRED>
<!ATTLIST VideoEditorCap maxOutputFrameWidth CDATA #REQUIRED>
<!ATTLIST VideoEditorCap maxOutputFrameHeight CDATA #REQUIRED>
<!ATTLIST VideoEditorCap maxPrefetchYUVFrames CDATA #REQUIRED>
<!ELEMENT ExportVideoProfile EMPTY>
<!ATTLIST ExportVideoProfile name (h264|h263|m4v) #REQUIRED>
<!ATTLIST ExportVideoProfile profile CDATA #REQUIRED>
<!ATTLIST ExportVideoProfile level CDATA #REQUIRED>
]>
<!--
This file is used to declare the multimedia profiles and capabilities
on an android-powered device.
-->
<MediaSettings>
<!-- Each camcorder profile defines a set of predefined configuration parameters -->
<CamcorderProfiles cameraId="0">
<EncoderProfile quality="qvga" fileFormat="3gp" duration="60">
<Video codec="m4v"
bitRate="128000"
width="320"
height="240"
frameRate="15" />
<Audio codec="amrnb"
bitRate="12200"
sampleRate="8000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="cif" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="1200000"
width="352"
height="288"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="480p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="5000000"
width="720"
height="480"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="720p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="8000000"
width="1280"
height="720"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<!--
<EncoderProfile quality="1080p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="12000000"
width="1920"
height="1080"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
-->
<EncoderProfile quality="timelapseqvga" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="192000"
width="320"
height="240"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="amrnb"
bitRate="12200"
sampleRate="8000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapsecif" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="1200000"
width="352"
height="288"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapse480p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="5000000"
width="720"
height="480"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapse720p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="8000000"
width="1280"
height="720"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<!--
<EncoderProfile quality="timelapse1080p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="12000000"
width="1920"
height="1080"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
-->
<ImageEncoding quality="95" />
<ImageEncoding quality="80" />
<ImageEncoding quality="70" />
<ImageDecoding memCap="20000000" />
</CamcorderProfiles>
<CamcorderProfiles cameraId="1">
<EncoderProfile quality="qvga" fileFormat="3gp" duration="60">
<Video codec="m4v"
bitRate="128000"
width="320"
height="240"
frameRate="15" />
<Audio codec="amrnb"
bitRate="12200"
sampleRate="8000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="cif" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="1200000"
width="352"
height="288"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="480p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="5000000"
width="720"
height="480"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="720p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="8000000"
width="1280"
height="720"
frameRate="30" />
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapseqvga" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="192000"
width="320"
height="240"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="amrnb"
bitRate="12200"
sampleRate="8000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapsecif" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="1200000"
width="352"
height="288"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapse480p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="5000000"
width="720"
height="480"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<EncoderProfile quality="timelapse720p" fileFormat="mp4" duration="30">
<Video codec="h264"
bitRate="8000000"
width="1280"
height="720"
frameRate="30" />
<!-- audio setting is ignored -->
<Audio codec="aac"
bitRate="96000"
sampleRate="48000"
channels="1" />
</EncoderProfile>
<ImageEncoding quality="95" />
<ImageEncoding quality="80" />
<ImageEncoding quality="70" />
<ImageDecoding memCap="20000000" />
</CamcorderProfiles>
<EncoderOutputFileFormat name="3gp" />
<EncoderOutputFileFormat name="mp4" />
<!--
If a codec is not enabled, it is invisible to the applications
In other words, the applications won't be able to use the codec
or query the capabilities of the codec at all if it is disabled
-->
<VideoEncoderCap name="h264" enabled="true"
minBitRate="64000" maxBitRate="12000000"
minFrameWidth="176" maxFrameWidth="1920"
minFrameHeight="144" maxFrameHeight="1080"
minFrameRate="15" maxFrameRate="30" />
<VideoEncoderCap name="h263" enabled="true"
minBitRate="64000" maxBitRate="4000000"
minFrameWidth="176" maxFrameWidth="1920"
minFrameHeight="144" maxFrameHeight="1080"
minFrameRate="15" maxFrameRate="30" />
<VideoEncoderCap name="m4v" enabled="true"
minBitRate="64000" maxBitRate="4000000"
minFrameWidth="176" maxFrameWidth="1920"
minFrameHeight="144" maxFrameHeight="1080"
minFrameRate="15" maxFrameRate="30" />
<AudioEncoderCap name="aac" enabled="true"
minBitRate="758" maxBitRate="288000"
minSampleRate="8000" maxSampleRate="48000"
minChannels="1" maxChannels="1" />
<AudioEncoderCap name="heaac" enabled="true"
minBitRate="8000" maxBitRate="64000"
minSampleRate="16000" maxSampleRate="48000"
minChannels="1" maxChannels="1" />
<AudioEncoderCap name="aaceld" enabled="true"
minBitRate="16000" maxBitRate="192000"
minSampleRate="16000" maxSampleRate="48000"
minChannels="1" maxChannels="1" />
<AudioEncoderCap name="amrwb" enabled="true"
minBitRate="6600" maxBitRate="23050"
minSampleRate="16000" maxSampleRate="16000"
minChannels="1" maxChannels="1" />
<AudioEncoderCap name="amrnb" enabled="true"
minBitRate="4750" maxBitRate="12200"
minSampleRate="8000" maxSampleRate="8000"
minChannels="1" maxChannels="1" />
<!--
FIXME:
We do not check decoder capabilities at present
At present, we only check whether windows media is visible
for TEST applications. For other applications, we do
not perform any checks at all.
-->
<VideoDecoderCap name="wmv" enabled="false"/>
<AudioDecoderCap name="wma" enabled="false"/>
<!--
The VideoEditor Capability configuration:
- maxInputFrameWidth: maximum video width of imported video clip.
- maxInputFrameHeight: maximum video height of imported video clip.
- maxOutputFrameWidth: maximum video width of exported video clip.
- maxOutputFrameHeight: maximum video height of exported video clip.
- maxPrefetchYUVFrames: maximum prefetch YUV frames for encoder,
used to limit the amount of memory for prefetched YUV frames.
For this platform, it allows maximum 30MB(3MB per 1080p frame x 10
frames) memory.
-->
<VideoEditorCap maxInputFrameWidth="1920"
maxInputFrameHeight="1080" maxOutputFrameWidth="1920"
maxOutputFrameHeight="1080" maxPrefetchYUVFrames="10"/>
<!--
The VideoEditor Export codec profile and level values
correspond to the values in OMX_Video.h.
E.g. for h264, profile value 1 means OMX_VIDEO_AVCProfileBaseline
and level 4096 means OMX_VIDEO_AVCLevel41.
Please note that the values are in decimal.
These values are for video encoder.
-->
<!--
Codec = h.264, Baseline profile, level 4.1
-->
<ExportVideoProfile name="h264" profile= "1" level="4096"/>
<!--
Codec = h.263, Baseline profile, level 0
-->
<ExportVideoProfile name="h263" profile= "1" level="1"/>
<!--
Codec = mpeg4, Simple profile, level 5
-->
<ExportVideoProfile name="m4v" profile= "1" level="128"/>
</MediaSettings>