I actually gone through your post before I post my Question and my question is more about how can we do this in emulator?if so where can we do and collect the compressed data at kernel level.this will halp to simulate the audio dsp on emulator.
On Monday, September 28, 2015 at 11:48:19 AM UTC-7, Glenn Kasten wrote: > > 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: [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
