Rockchip AEC_ANR_AGC算法

compile

mkdir -p build
cd build
cmake .. -DCMAKE_TOOLCHAIN_FILE=~/video/rv1109/buildroot/output/rockchip_puma_toolchain/host/share/buildroot/toolchainfile.cmake
make

优化选项： -O3 -mfpu=neon -mfloat-abi=hard

资源占用情况

测试环境

• RV1808 EVB

• cpu: 关闭ARM核保留一个核，定频 1Ghz

echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

echo 1008000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed

echo 0 > /sys/devices/system/cpu/cpu1/online

• ddr : LPDDR3 933MHz

Test

• 内存占用情况：RSS 1.6M

• 计算耗时 cpu 37%

• ./test_aec_anr_agc csq_0_1mic.wav csq_0_1mic-out.wav
  filename=csq_0_1mic.wav format=1 num_channels=2 sample_rate=16000 sample_bits=16 num_samples=128001
  mic_channel = 1, ref channel = 1
  init ch 0
  init ch 0 succeed
  init ok
  alloc ok
  elapse 6 ms //PROCESS TX 16ms数据

  elapse 0 ms //PROCESS RX
  elapse 6 ms
  elapse 0 ms
  elapse 6 ms
  elapse 0 ms
  elapse 6 ms
  elapse 0 ms
  elapse 6 ms
  elapse 0 ms

• 稳定性测试
  * 多实例循环压力测试通过：没有内存泄露，可以稳定长时运行

  cat /proc/673/status

  Name: test_aec_anr_ag
  State: R (running)
  Tgid: 673
  Ngid: 0
  Pid: 673
  PPid: 609
  TracerPid: 0
  Uid: 0 0 0 0
  Gid: 0 0 0 0
  FDSize: 64
  Groups:
  VmPeak: 2444 kB
  VmSize: 2444 kB
  VmLck: 0 kB
  VmPin: 0 kB
  VmHWM: 1672 kB
  VmRSS: 1672 kB
  VmData: 292 kB
  VmStk: 132 kB
  VmExe: 8 kB
  VmLib: 1784 kB
  VmPTE: 20 kB
  VmPMD: 8 kB
  VmSwap: 0 kB
  Threads: 1
  SigQ: 0/7992
  SigPnd: 0000000000000000
  ShdPnd: 0000000000000000
  SigBlk: 0000000000000000
  SigIgn: 0000000000000000
  SigCgt: 0000000000000000
  CapInh: 0000000000000000
  CapPrm: 0000003fffffffff
  CapEff: 0000003fffffffff
  CapBnd: 0000003fffffffff
  CapAmb: 0000000000000000
  Speculation_Store_Bypass: unknown
  Cpus_allowed: 3
  Cpus_allowed_list: 0-1
  Mems_allowed: 1
  Mems_allowed_list: 0
  voluntary_ctxt_switches: 1
  nonvoluntary_ctxt_switches: 38