diff options
Diffstat (limited to 'servers/audio/audio_stream.cpp')
| -rw-r--r-- | servers/audio/audio_stream.cpp | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/servers/audio/audio_stream.cpp b/servers/audio/audio_stream.cpp index 02a0bed964..1a6430c499 100644 --- a/servers/audio/audio_stream.cpp +++ b/servers/audio/audio_stream.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 */ @@ -30,6 +30,7 @@ #include "audio_stream.h" #include "core/os/os.h" +#include "core/project_settings.h" ////////////////////////////// @@ -82,8 +83,8 @@ void AudioStreamPlaybackResampled::mix(AudioFrame *p_buffer, float p_rate_scale, _mix_internal(internal_buffer + 4, INTERNAL_BUFFER_LEN); } else { //fill with silence, not playing - for (int i = 0; i < INTERNAL_BUFFER_LEN; ++i) { - internal_buffer[i + 4] = AudioFrame(0, 0); + for (int j = 0; j < INTERNAL_BUFFER_LEN; ++j) { + internal_buffer[j + 4] = AudioFrame(0, 0); } } mix_offset -= (INTERNAL_BUFFER_LEN << FP_BITS); @@ -137,7 +138,7 @@ void AudioStreamPlaybackMicrophone::_mix_internal(AudioFrame *p_buffer, int p_fr Vector<int32_t> buf = AudioDriver::get_singleton()->get_input_buffer(); unsigned int input_size = AudioDriver::get_singleton()->get_input_size(); int mix_rate = AudioDriver::get_singleton()->get_mix_rate(); - int playback_delay = MIN(((50 * mix_rate) / 1000) * 2, buf.size() >> 1); + unsigned int playback_delay = MIN(((50 * mix_rate) / 1000) * 2, buf.size() >> 1); #ifdef DEBUG_ENABLED unsigned int input_position = AudioDriver::get_singleton()->get_input_position(); #endif @@ -149,13 +150,13 @@ void AudioStreamPlaybackMicrophone::_mix_internal(AudioFrame *p_buffer, int p_fr input_ofs = 0; } else { for (int i = 0; i < p_frames; i++) { - if (input_size > input_ofs) { + if (input_size > input_ofs && (int)input_ofs < buf.size()) { float l = (buf[input_ofs++] >> 16) / 32768.f; - if (input_ofs >= buf.size()) { + if ((int)input_ofs >= buf.size()) { input_ofs = 0; } float r = (buf[input_ofs++] >> 16) / 32768.f; - if (input_ofs >= buf.size()) { + if ((int)input_ofs >= buf.size()) { input_ofs = 0; } @@ -167,7 +168,7 @@ void AudioStreamPlaybackMicrophone::_mix_internal(AudioFrame *p_buffer, int p_fr } #ifdef DEBUG_ENABLED - if (input_ofs > input_position && (input_ofs - input_position) < (p_frames * 2)) { + if (input_ofs > input_position && (int)(input_ofs - input_position) < (p_frames * 2)) { print_verbose(String(get_class_name()) + " buffer underrun: input_position=" + itos(input_position) + " input_ofs=" + itos(input_ofs) + " input_size=" + itos(input_size)); } #endif @@ -184,17 +185,29 @@ float AudioStreamPlaybackMicrophone::get_stream_sampling_rate() { } void AudioStreamPlaybackMicrophone::start(float p_from_pos) { - input_ofs = 0; - AudioDriver::get_singleton()->capture_start(); + if (active) { + return; + } + + if (!GLOBAL_GET("audio/enable_audio_input")) { + WARN_PRINTS("Need to enable Project settings > Audio > Enable Audio Input option to use capturing."); + return; + } + + input_ofs = 0; - active = true; - _begin_resample(); + if (AudioDriver::get_singleton()->capture_start() == OK) { + active = true; + _begin_resample(); + } } void AudioStreamPlaybackMicrophone::stop() { - AudioDriver::get_singleton()->capture_stop(); - active = false; + if (active) { + AudioDriver::get_singleton()->capture_stop(); + active = false; + } } bool AudioStreamPlaybackMicrophone::is_playing() const { |