diff options
Diffstat (limited to 'platform/android/audio_driver_opensl.cpp')
| -rw-r--r-- | platform/android/audio_driver_opensl.cpp | 123 |
1 files changed, 118 insertions, 5 deletions
diff --git a/platform/android/audio_driver_opensl.cpp b/platform/android/audio_driver_opensl.cpp index 21c61f6ca0..1232fc7453 100644 --- a/platform/android/audio_driver_opensl.cpp +++ b/platform/android/audio_driver_opensl.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -53,7 +53,7 @@ void AudioDriverOpenSL::_buffer_callback( } else { int32_t *src_buff = mixdown_buffer; - for (int i = 0; i < buffer_size * 2; i++) { + for (unsigned int i = 0; i < buffer_size * 2; i++) { src_buff[i] = 0; } } @@ -66,7 +66,7 @@ void AudioDriverOpenSL::_buffer_callback( int16_t *ptr = (int16_t *)buffers[last_free]; last_free = (last_free + 1) % BUFFER_COUNT; - for (int i = 0; i < buffer_size * 2; i++) { + for (unsigned int i = 0; i < buffer_size * 2; i++) { ptr[i] = src_buff[i] >> 16; } @@ -211,9 +211,122 @@ void AudioDriverOpenSL::start() { active = true; } +void AudioDriverOpenSL::_record_buffer_callback(SLAndroidSimpleBufferQueueItf queueItf) { + + for (int i = 0; i < rec_buffer.size(); i++) { + int32_t sample = rec_buffer[i] << 16; + input_buffer_write(sample); + input_buffer_write(sample); // call twice to convert to Stereo + } + + SLresult res = (*recordBufferQueueItf)->Enqueue(recordBufferQueueItf, rec_buffer.ptrw(), rec_buffer.size() * sizeof(int16_t)); + ERR_FAIL_COND(res != SL_RESULT_SUCCESS); +} + +void AudioDriverOpenSL::_record_buffer_callbacks(SLAndroidSimpleBufferQueueItf queueItf, void *pContext) { + + AudioDriverOpenSL *ad = (AudioDriverOpenSL *)pContext; + + ad->_record_buffer_callback(queueItf); +} + +Error AudioDriverOpenSL::capture_init_device() { + + SLDataLocator_IODevice loc_dev = { + SL_DATALOCATOR_IODEVICE, + SL_IODEVICE_AUDIOINPUT, + SL_DEFAULTDEVICEID_AUDIOINPUT, + NULL + }; + SLDataSource recSource = { &loc_dev, NULL }; + + SLDataLocator_AndroidSimpleBufferQueue loc_bq = { + SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, + 2 + }; + SLDataFormat_PCM format_pcm = { + SL_DATAFORMAT_PCM, + 1, + SL_SAMPLINGRATE_44_1, + SL_PCMSAMPLEFORMAT_FIXED_16, + SL_PCMSAMPLEFORMAT_FIXED_16, + SL_SPEAKER_FRONT_CENTER, + SL_BYTEORDER_LITTLEENDIAN + }; + SLDataSink recSnk = { &loc_bq, &format_pcm }; + + const SLInterfaceID ids[2] = { SL_IID_ANDROIDSIMPLEBUFFERQUEUE, SL_IID_ANDROIDCONFIGURATION }; + const SLboolean req[2] = { SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE }; + + SLresult res = (*EngineItf)->CreateAudioRecorder(EngineItf, &recorder, &recSource, &recSnk, 2, ids, req); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recorder)->Realize(recorder, SL_BOOLEAN_FALSE); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recorder)->GetInterface(recorder, SL_IID_RECORD, (void *)&recordItf); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recorder)->GetInterface(recorder, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, (void *)&recordBufferQueueItf); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recordBufferQueueItf)->RegisterCallback(recordBufferQueueItf, _record_buffer_callbacks, this); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + SLuint32 state; + res = (*recordItf)->GetRecordState(recordItf, &state); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + if (state != SL_RECORDSTATE_STOPPED) { + res = (*recordItf)->SetRecordState(recordItf, SL_RECORDSTATE_STOPPED); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recordBufferQueueItf)->Clear(recordBufferQueueItf); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + } + + const int rec_buffer_frames = 2048; + rec_buffer.resize(rec_buffer_frames); + input_buffer_init(rec_buffer_frames); + + res = (*recordBufferQueueItf)->Enqueue(recordBufferQueueItf, rec_buffer.ptrw(), rec_buffer.size() * sizeof(int16_t)); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recordItf)->SetRecordState(recordItf, SL_RECORDSTATE_RECORDING); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + return OK; +} + +Error AudioDriverOpenSL::capture_start() { + + if (OS::get_singleton()->request_permission("RECORD_AUDIO")) { + return capture_init_device(); + } + + return OK; +} + +Error AudioDriverOpenSL::capture_stop() { + + SLuint32 state; + SLresult res = (*recordItf)->GetRecordState(recordItf, &state); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + if (state != SL_RECORDSTATE_STOPPED) { + res = (*recordItf)->SetRecordState(recordItf, SL_RECORDSTATE_STOPPED); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + + res = (*recordBufferQueueItf)->Clear(recordBufferQueueItf); + ERR_FAIL_COND_V(res != SL_RESULT_SUCCESS, ERR_CANT_OPEN); + } + + return OK; +} + int AudioDriverOpenSL::get_mix_rate() const { - return 44100; + return 44100; // hardcoded for Android, as selected by SL_SAMPLINGRATE_44_1 } AudioDriver::SpeakerMode AudioDriverOpenSL::get_speaker_mode() const { |