See post #4 of https://groups.google.com/forum/#!topic/android-porting/SBVinW-RHzU in particular the paragraph that begins "Offloaded tracks are new for Android 4.4 (KitKat)" and the next paragraph "To read more "
On Monday, September 28, 2015 at 11:41:48 AM UTC-7, YADLA NIRANJAN wrote: > > Hello, > > I have built x86_64 emulator from Google latest source code and as well > compiled goldfish kernel(3.10-m-dev) to generate > "./arch/x86_64/boot/bzImage" > > How to enable audio_offload?, want to enable > "AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD" flag in audio_policy.conf, however I > could not find this file in /system/etc/ > Assume somehow If we enable audio_offload on emulator build then I want to > know how to collect compressed audio data at kernel level(may be at > compress_offload.c file ). > > > Build instructions: > Step1:Got the latest source code from > http://source.android.com/source/downloading.html > Built the emulator using below configuration on latest Android source code > > ============================================ > PLATFORM_VERSION_CODENAME=REL > PLATFORM_VERSION=5.1.51 > TARGET_PRODUCT=aosp_x86_64 > TARGET_BUILD_VARIANT=eng > TARGET_BUILD_TYPE=release > TARGET_BUILD_APPS= > TARGET_ARCH=x86_64 > TARGET_ARCH_VARIANT=x86_64 > TARGET_CPU_VARIANT= > TARGET_2ND_ARCH=x86 > TARGET_2ND_ARCH_VARIANT=x86 > TARGET_2ND_CPU_VARIANT= > HOST_ARCH=x86_64 > HOST_OS=linux > HOST_OS_EXTRA=Linux-3.13.0-63-generic-x86_64-with-Ubuntu-14.04-trusty > HOST_CROSS_OS=windows > HOST_BUILD_TYPE=release > BUILD_ID=AOSP > OUT_DIR=out > ============================================ > ran below command > $make -j8 > > > Step2:Got kernel code using below command > git clone https://android.googlesource.com/kernel/goldfish.git > ran below cmds > $ make x86_64_emu_defconfig > $ make -j8 > > > > Note:If we successfully be able to write compressed data to a file at > kernel level, this will allow us to achieve in simulating audio DSP on > emulator build. > > Thanks, > NY > -- -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting --- You received this message because you are subscribed to the Google Groups "android-porting" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-porting+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
