Thanks ,Finally I found to enable offload audio on emulator. On Tuesday, September 29, 2015 at 9:20:39 AM UTC-7, NY wrote: > > Thanks for your reply,Please provide me pointer if you know someone in > Android Team at Google, who can help me on this? > > On Monday, September 28, 2015 at 2:42:58 PM UTC-7, Glenn Kasten wrote: >> >> Sorry, I don't know how to simulate a DSP on emulator. >> >> On Monday, September 28, 2015 at 12:49:15 PM UTC-7, NY wrote: >>> >>> 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 >>>>> >>>>
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