tata6k / webrtc-android-jni

webrtc AEC module and its required dependencies module for android.

webrtc-android-jni

webrtc AEC module and its required dependencies module for android.

##How to build WebRTC

• Go to jni folder and run ndk-build
• Copy the resulting .so files from ../libs/[target_architecture] into your Android application project directory

##AEC

AudioProcessing* apm = AudioProcessing::Create(0);
apm->set_sample_rate_hz(32000);
Super-wideband processing.

// Mono capture and stereo render.
apm->set_num_channels(1, 1);
apm->set_num_reverse_channels(2);
apm->high_pass_filter()->Enable(true);
apm->echo_cancellation()->enable_drift_compensation(false);
apm->echo_cancellation()->Enable(true);
apm->noise_reduction()->set_level(kHighSuppression);
apm->noise_reduction()->Enable(true);
apm->gain_control()->set_analog_level_limits(0, 255);
apm->gain_control()->set_mode(kAdaptiveAnalog);
apm->gain_control()->Enable(true);
apm->voice_detection()->Enable(true);

// Start a voice call...
// ... Render frame arrives bound for the audio HAL ...
apm->AnalyzeReverseStream(render_frame);

// ... Capture frame arrives from the audio HAL ...
// Call required set_stream_ functions.
apm->set_stream_delay_ms(delay_ms);
apm->gain_control()->set_stream_analog_level(analog_level);
apm->ProcessStream(capture_frame);
// Call required stream_ functions.
analog_level = apm->gain_control()->stream_analog_level();
has_voice = apm->stream_has_voice();

// Repeate render and capture processing for the duration of the call...
// Start a new call...
apm->Initialize();

// Close the application...
AudioProcessing::Destroy(apm);
apm = NULL;

Link !

webrtc-android-jni's Issues

mips build fail

My device is Mac pro.

/Users/ymr/github/webrtc-android-jni/webrtc-android-jni/jni/src/webrtc/modules/audio_processing/aec/aec_core_mips.c:126:67: error: too few operands for instruction
      "mul.s    %[tmp7f],       %[tmp7f],         %[noise4]     \n\t"
                                                                  ^
<inline asm>:30:2: note: instantiated into assembly here
        neg.s    $f10
        ^
/Users/ymr/github/webrtc-android-jni/webrtc-android-jni/jni/src/webrtc/modules/audio_processing/aec/aec_core_mips.c:127:67: error: too few operands for instruction
      "neg.s    %[tmp2f]                                        \n\t"
                                                                  ^
<inline asm>:31:2: note: instantiated into assembly here
        neg.s    $f14
        ^
/Users/ymr/github/webrtc-android-jni/webrtc-android-jni/jni/src/webrtc/modules/audio_processing/aec/aec_core_mips.c:128:67: error: too few operands for instruction
      "neg.s    %[tmp4f]                                        \n\t"
                                                                  ^
<inline asm>:32:2: note: instantiated into assembly here
        neg.s    $f18
        ^
/Users/ymr/github/webrtc-android-jni/webrtc-android-jni/jni/src/webrtc/modules/audio_processing/aec/aec_core_mips.c:129:67: error: too few operands for instruction
      "neg.s    %[tmp6f]                                        \n\t"

This error at build the "aec_core_mips.c".
Thanks for your replay!

How to wrap this module in jni?

Hi there! Found your repo and thats what i exactly needed. Please help me a bit, how can i use this in jni? Your sources doesnt provide any AudioProcessing class (which webrtc does). Can u explain how to use this in my android voip application? Thanks

any plans to upgrade to latest webrtc source?

I have been using webrtc-android-jni in my baresip Android app. There has been quite a lot of changes in webrtc source recently. For example, aec has been replaced by aec3. Any plans to upgrade this project to latest webrtc source?

Android.mk

Should be

common_C_INCLUDES = $(LOCAL_PATH)/src