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 >>>> >>> -- -- 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.
