Error when running deepstream-audio sample app in a thread of deepstream-app (main thread)

[chienpv.bk]

I run successfully deepstream-audio sample app via below command:
$/opt/nvidia/deepstream/deepstream-6.2/sources/apps/sample_apps/deepstream-audio/deepstream-audio -c configs/ds_audio_sonyc_test_config.txt

In main function of other deepstream app (written by C++), I create a thread to run deepstream-audio command above and then get output using popen() funtion, but when I run deepstream app, one thread of deepstream-audio was created but deepstream-audio not run and shown error like below logs.

Could you help me to fix it?
Thank you very much.

• Hardware Platform (Jetson / GPU) Jetson
• DeepStream Version 6.2
• JetPack Version (valid for Jetson only) 5.1.1
• TensorRT Version 8.6
• Issue Type( questions, new requirements, bugs) questions/bugs

**logs
WARNING: [TRT]: Using an engine plan file across different models of devices is not recommended and is likely to affect performance or even cause errors.
WARNING: [TRT]: The getMaxBatchSize() function should not be used with an engine built from a network created with NetworkDefinitionCreationFlag::kEXPLICIT_BATCH flag. This function will always return 1.
INFO: [Implicit Engine Info]: layers num: 2
0 INPUT kFLOAT input.1 1x635x128
1 OUTPUT kFLOAT output1 31

Runtime commands:
h: Print this help
q: Quit

    p: Pause
    r: Resume

**PERF AUDIO: FPS 0 (Avg)
**PERF AUDIO: 0.00 (0.00)
** INFO: <bus_callback:137>: Pipeline ready

** INFO: <bus_callback:123>: Pipeline running

**PERF AUDIO: FPS 0 (Avg)
**PERF AUDIO: 0.00 (0.00)
0:00:07.094467074 93942 0xaaaaab343d20 WARN audio-resampler audio-resampler.c:274:convert_taps_gint16_c: can’t find exact taps
0:00:07.095130611 93942 0xaaaaab343d20 WARN nvstreammux gstnvstreammux.cpp:1051:configure_module:<src_bin_muxer> No config-file provided; falling back to default streammux config 1

Segmentation fault (core dumped)
--------- Audio Thread End—
deepstream-audio was stoped and deepstream-app still continues to run.

[junshengy]

@chienpv.bk

popen

Do you mean run deepstream-audio like below?

int main(int argc, char **argv) {
  FILE *fp =
      popen("../deepstream-audio -c ds_audio_sonyc_test_config.txt", "r");

  if (fp == nullptr) {
    std::cout << "popen failed: " << errno << " " << strerror(errno)
              << std::endl;
    return 1;
  }

  char buf[256];
  // check if the output stream is ended.
  while (!feof(fp)) {
    // try to read 255 bytes from the stream, this operation is BLOCKING ...
    int size = fread(buf, 1, 255, fp);

    // there are something or nothing to read because the stream is closed or
    // the program catch an error signal
    if (size > 0) {
      std::cout << buf << std::endl;
    }
  }

  int r = pclose(fp);
  std::cout << "exit status: " << WEXITSTATUS(r) << std::endl;

  return 0;
}

It’s can work normally.

[chienpv.bk]

yes, that’s right.
Thank you so much.
I tried again, it works fine when I run deepstream app (including executing deepstream-audio command) via Terminal, but it shown the error above when running deepstream app in Debugging of VS Code (I created ./vscode/launch.json and ./vscode/setting.json files), I still don’t know root cause.

[junshengy]

Sorry, It’s not deepstream issue.

If you want debug your app，you can change the relative path in the configuration file to an absolute path.

[chienpv.bk]

Thank you for your support.