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-rw-r--r--tests/scene/test_audio_stream_wav.h243
-rw-r--r--tests/test_main.cpp15
2 files changed, 258 insertions, 0 deletions
diff --git a/tests/scene/test_audio_stream_wav.h b/tests/scene/test_audio_stream_wav.h
new file mode 100644
index 0000000000..92c524525c
--- /dev/null
+++ b/tests/scene/test_audio_stream_wav.h
@@ -0,0 +1,243 @@
+/*************************************************************************/
+/* test_audio_stream_wav.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 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 */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef TEST_AUDIO_STREAM_WAV_H
+#define TEST_AUDIO_STREAM_WAV_H
+
+#include "core/math/math_defs.h"
+#include "core/math/math_funcs.h"
+#include "scene/resources/audio_stream_wav.h"
+
+#include "tests/test_macros.h"
+
+#ifdef TOOLS_ENABLED
+#include "core/io/resource_loader.h"
+#include "editor/import/resource_importer_wav.h"
+#endif
+
+namespace TestAudioStreamWAV {
+
+// Default wav rate for test cases.
+constexpr float WAV_RATE = 44100;
+/* Default wav count for test cases. 1 second of audio is used so that the file can be listened
+to manually if needed. */
+constexpr int WAV_COUNT = WAV_RATE;
+
+float gen_wav(float frequency, float wav_rate, int wav_number) {
+ // formula for generating a sin wave with given frequency.
+ return Math::sin((Math_TAU * frequency / wav_rate) * wav_number);
+}
+
+/* Generates a 440Hz sin wave in channel 0 (mono channel or left stereo channel)
+ * and a 261.63Hz wave in channel 1 (right stereo channel).
+ * These waves correspond to the music notes A4 and C4 respectively.
+ */
+Vector<uint8_t> gen_pcm8_test(float wav_rate, int wav_count, bool stereo) {
+ Vector<uint8_t> buffer;
+ buffer.resize(stereo ? wav_count * 2 : wav_count);
+
+ uint8_t *write_ptr = buffer.ptrw();
+ for (int i = 0; i < buffer.size(); i++) {
+ float wav;
+ if (stereo) {
+ if (i % 2 == 0) {
+ wav = gen_wav(440, wav_rate, i / 2);
+ } else {
+ wav = gen_wav(261.63, wav_rate, i / 2);
+ }
+ } else {
+ wav = gen_wav(440, wav_rate, i);
+ }
+
+ // Map sin wave to full range of 8-bit values.
+ uint8_t wav_8bit = Math::fast_ftoi(((wav + 1) / 2) * UINT8_MAX);
+ // Unlike the .wav format, AudioStreamWAV expects signed 8-bit wavs.
+ uint8_t wav_8bit_signed = wav_8bit - (INT8_MAX + 1);
+ write_ptr[i] = wav_8bit_signed;
+ }
+
+ return buffer;
+}
+
+// Same as gen_pcm8_test but with 16-bit wavs.
+Vector<uint8_t> gen_pcm16_test(float wav_rate, int wav_count, bool stereo) {
+ Vector<uint8_t> buffer;
+ buffer.resize(stereo ? wav_count * 4 : wav_count * 2);
+
+ uint8_t *write_ptr = buffer.ptrw();
+ for (int i = 0; i < buffer.size() / 2; i++) {
+ float wav;
+ if (stereo) {
+ if (i % 2 == 0) {
+ wav = gen_wav(440, wav_rate, i / 2);
+ } else {
+ wav = gen_wav(261.63, wav_rate, i / 2);
+ }
+ } else {
+ wav = gen_wav(440, wav_rate, i);
+ }
+
+ // Map sin wave to full range of 16-bit values.
+ uint16_t wav_16bit = Math::fast_ftoi(((wav + 1) / 2) * UINT16_MAX);
+ // The .wav format expects wavs larger than 8 bits to be signed.
+ uint16_t wav_16bit_signed = wav_16bit - (INT16_MAX + 1);
+ encode_uint16(wav_16bit_signed, write_ptr + (i * 2));
+ }
+
+ return buffer;
+}
+
+void run_test(String file_name, AudioStreamWAV::Format data_format, bool stereo, float wav_rate, float wav_count) {
+ String save_path = OS::get_singleton()->get_cache_path().plus_file(file_name);
+
+ Vector<uint8_t> test_data;
+ if (data_format == AudioStreamWAV::FORMAT_8_BITS) {
+ test_data = gen_pcm8_test(wav_rate, wav_count, stereo);
+ } else {
+ test_data = gen_pcm16_test(wav_rate, wav_count, stereo);
+ }
+
+ Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
+ stream->set_mix_rate(wav_rate);
+ CHECK(stream->get_mix_rate() == wav_rate);
+
+ stream->set_format(data_format);
+ CHECK(stream->get_format() == data_format);
+
+ stream->set_stereo(stereo);
+ CHECK(stream->is_stereo() == stereo);
+
+ stream->set_data(test_data);
+ CHECK(stream->get_data() == test_data);
+
+ SUBCASE("Stream length is computed properly") {
+ CHECK(Math::is_equal_approx(stream->get_length(), wav_count / wav_rate));
+ }
+
+ SUBCASE("Stream can be saved as .wav") {
+ REQUIRE(stream->save_to_wav(save_path) == OK);
+
+ Error error;
+ Ref<FileAccess> wav_file = FileAccess::open(save_path, FileAccess::READ, &error);
+ REQUIRE(error == OK);
+
+#if TOOLS_ENABLED
+ // The WAV importer can be used if enabled to check that the saved file is valid.
+ Ref<ResourceImporterWAV> wav_importer = memnew(ResourceImporterWAV);
+
+ List<ResourceImporter::ImportOption> options_list;
+ wav_importer->get_import_options("", &options_list);
+
+ HashMap<StringName, Variant> options_map;
+ for (const ResourceImporter::ImportOption &E : options_list) {
+ options_map[E.option.name] = E.default_value;
+ }
+
+ REQUIRE(wav_importer->import(save_path, save_path, options_map, nullptr) == OK);
+
+ String load_path = save_path + "." + wav_importer->get_save_extension();
+ Ref<AudioStreamWAV> loaded_stream = ResourceLoader::load(load_path, "AudioStreamWAV", ResourceFormatImporter::CACHE_MODE_IGNORE, &error);
+ REQUIRE(error == OK);
+
+ CHECK(loaded_stream->get_format() == stream->get_format());
+ CHECK(loaded_stream->get_loop_mode() == stream->get_loop_mode());
+ CHECK(loaded_stream->get_loop_begin() == stream->get_loop_begin());
+ CHECK(loaded_stream->get_loop_end() == stream->get_loop_end());
+ CHECK(loaded_stream->get_mix_rate() == stream->get_mix_rate());
+ CHECK(loaded_stream->is_stereo() == stream->is_stereo());
+ CHECK(loaded_stream->get_length() == stream->get_length());
+ CHECK(loaded_stream->is_monophonic() == stream->is_monophonic());
+ CHECK(loaded_stream->get_data() == stream->get_data());
+#endif
+ }
+}
+
+TEST_CASE("[AudioStreamWAV] Mono PCM8 format") {
+ run_test("test_pcm8_mono.wav", AudioStreamWAV::FORMAT_8_BITS, false, WAV_RATE, WAV_COUNT);
+}
+
+TEST_CASE("[AudioStreamWAV] Mono PCM16 format") {
+ run_test("test_pcm16_mono.wav", AudioStreamWAV::FORMAT_16_BITS, false, WAV_RATE, WAV_COUNT);
+}
+
+TEST_CASE("[AudioStreamWAV] Stereo PCM8 format") {
+ run_test("test_pcm8_stereo.wav", AudioStreamWAV::FORMAT_8_BITS, true, WAV_RATE, WAV_COUNT);
+}
+
+TEST_CASE("[AudioStreamWAV] Stereo PCM16 format") {
+ run_test("test_pcm16_stereo.wav", AudioStreamWAV::FORMAT_16_BITS, true, WAV_RATE, WAV_COUNT);
+}
+
+TEST_CASE("[AudioStreamWAV] Alternate mix rate") {
+ run_test("test_pcm16_stereo_38000Hz.wav", AudioStreamWAV::FORMAT_16_BITS, true, 38000, 38000);
+}
+
+TEST_CASE("[AudioStreamWAV] save_to_wav() adds '.wav' file extension automatically") {
+ String save_path = OS::get_singleton()->get_cache_path().plus_file("test_wav_extension");
+ Vector<uint8_t> test_data = gen_pcm8_test(WAV_RATE, WAV_COUNT, false);
+ Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
+ stream->set_data(test_data);
+
+ REQUIRE(stream->save_to_wav(save_path) == OK);
+ Error error;
+ Ref<FileAccess> wav_file = FileAccess::open(save_path + ".wav", FileAccess::READ, &error);
+ CHECK(error == OK);
+}
+
+TEST_CASE("[AudioStreamWAV] Default values") {
+ Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
+ CHECK(stream->get_format() == AudioStreamWAV::FORMAT_8_BITS);
+ CHECK(stream->get_loop_mode() == AudioStreamWAV::LOOP_DISABLED);
+ CHECK(stream->get_loop_begin() == 0);
+ CHECK(stream->get_loop_end() == 0);
+ CHECK(stream->get_mix_rate() == 44100);
+ CHECK(stream->is_stereo() == false);
+ CHECK(stream->get_length() == 0);
+ CHECK(stream->is_monophonic() == false);
+ CHECK(stream->get_data() == Vector<uint8_t>{});
+ CHECK(stream->get_stream_name() == "");
+}
+
+TEST_CASE("[AudioStreamWAV] Save empty file") {
+ run_test("test_empty.wav", AudioStreamWAV::FORMAT_8_BITS, false, WAV_RATE, 0);
+}
+
+TEST_CASE("[AudioStreamWAV] Saving IMA ADPCM is not supported") {
+ String save_path = OS::get_singleton()->get_cache_path().plus_file("test_adpcm.wav");
+ Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
+ stream->set_format(AudioStreamWAV::FORMAT_IMA_ADPCM);
+ ERR_PRINT_OFF;
+ CHECK(stream->save_to_wav(save_path) == ERR_UNAVAILABLE);
+ ERR_PRINT_ON;
+}
+
+} // namespace TestAudioStreamWAV
+
+#endif // TEST_AUDIO_STREAM_WAV_H
diff --git a/tests/test_main.cpp b/tests/test_main.cpp
index 8a9abd0f33..e8502f6b46 100644
--- a/tests/test_main.cpp
+++ b/tests/test_main.cpp
@@ -82,6 +82,7 @@
#include "tests/core/variant/test_dictionary.h"
#include "tests/core/variant/test_variant.h"
#include "tests/scene/test_animation.h"
+#include "tests/scene/test_audio_stream_wav.h"
#include "tests/scene/test_code_edit.h"
#include "tests/scene/test_curve.h"
#include "tests/scene/test_gradient.h"
@@ -219,6 +220,15 @@ struct GodotTestCaseListener : public doctest::IReporter {
SceneTree::get_singleton()->initialize();
return;
}
+
+ if (name.find("Audio") != -1) {
+ // The last driver index should always be the dummy driver.
+ int dummy_idx = AudioDriverManager::get_driver_count() - 1;
+ AudioDriverManager::initialize(dummy_idx);
+ AudioServer *audio_server = memnew(AudioServer);
+ audio_server->init();
+ return;
+ }
}
void test_case_end(const doctest::CurrentTestCaseStats &) override {
@@ -281,6 +291,11 @@ struct GodotTestCaseListener : public doctest::IReporter {
MessageQueue::get_singleton()->flush();
memdelete(MessageQueue::get_singleton());
}
+
+ if (AudioServer::get_singleton()) {
+ AudioServer::get_singleton()->finish();
+ memdelete(AudioServer::get_singleton());
+ }
}
void test_run_start() override {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 09:46:59 +0000