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fe34c45d2a
This helps, for importers spitting out new resources to the res:// filesystem to actually hash them to generate deterministic UIDs. This PR also fixes the determinism for translations.
246 lines
9.5 KiB
C++
246 lines
9.5 KiB
C++
/**************************************************************************/
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/* test_audio_stream_wav.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef TEST_AUDIO_STREAM_WAV_H
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#define TEST_AUDIO_STREAM_WAV_H
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#include "core/math/math_defs.h"
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#include "core/math/math_funcs.h"
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#include "scene/resources/audio_stream_wav.h"
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#include "tests/test_macros.h"
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#ifdef TOOLS_ENABLED
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#include "core/io/resource_loader.h"
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#include "editor/import/resource_importer_wav.h"
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#endif
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namespace TestAudioStreamWAV {
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// Default wav rate for test cases.
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constexpr float WAV_RATE = 44100;
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/* Default wav count for test cases. 1 second of audio is used so that the file can be listened
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to manually if needed. */
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constexpr int WAV_COUNT = WAV_RATE;
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float gen_wav(float frequency, float wav_rate, int wav_number) {
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// formula for generating a sin wave with given frequency.
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return Math::sin((Math_TAU * frequency / wav_rate) * wav_number);
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}
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/* Generates a 440Hz sin wave in channel 0 (mono channel or left stereo channel)
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* and a 261.63Hz wave in channel 1 (right stereo channel).
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* These waves correspond to the music notes A4 and C4 respectively.
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*/
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Vector<uint8_t> gen_pcm8_test(float wav_rate, int wav_count, bool stereo) {
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Vector<uint8_t> buffer;
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buffer.resize(stereo ? wav_count * 2 : wav_count);
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uint8_t *write_ptr = buffer.ptrw();
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for (int i = 0; i < buffer.size(); i++) {
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float wav;
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if (stereo) {
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if (i % 2 == 0) {
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wav = gen_wav(440, wav_rate, i / 2);
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} else {
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wav = gen_wav(261.63, wav_rate, i / 2);
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}
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} else {
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wav = gen_wav(440, wav_rate, i);
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}
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// Map sin wave to full range of 8-bit values.
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uint8_t wav_8bit = Math::fast_ftoi(((wav + 1) / 2) * UINT8_MAX);
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// Unlike the .wav format, AudioStreamWAV expects signed 8-bit wavs.
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uint8_t wav_8bit_signed = wav_8bit - (INT8_MAX + 1);
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write_ptr[i] = wav_8bit_signed;
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}
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return buffer;
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}
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// Same as gen_pcm8_test but with 16-bit wavs.
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Vector<uint8_t> gen_pcm16_test(float wav_rate, int wav_count, bool stereo) {
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Vector<uint8_t> buffer;
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buffer.resize(stereo ? wav_count * 4 : wav_count * 2);
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uint8_t *write_ptr = buffer.ptrw();
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for (int i = 0; i < buffer.size() / 2; i++) {
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float wav;
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if (stereo) {
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if (i % 2 == 0) {
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wav = gen_wav(440, wav_rate, i / 2);
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} else {
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wav = gen_wav(261.63, wav_rate, i / 2);
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}
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} else {
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wav = gen_wav(440, wav_rate, i);
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}
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// Map sin wave to full range of 16-bit values.
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uint16_t wav_16bit = Math::fast_ftoi(((wav + 1) / 2) * UINT16_MAX);
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// The .wav format expects wavs larger than 8 bits to be signed.
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uint16_t wav_16bit_signed = wav_16bit - (INT16_MAX + 1);
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encode_uint16(wav_16bit_signed, write_ptr + (i * 2));
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}
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return buffer;
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}
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void run_test(String file_name, AudioStreamWAV::Format data_format, bool stereo, float wav_rate, float wav_count) {
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String save_path = TestUtils::get_temp_path(file_name);
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Vector<uint8_t> test_data;
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if (data_format == AudioStreamWAV::FORMAT_8_BITS) {
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test_data = gen_pcm8_test(wav_rate, wav_count, stereo);
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} else {
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test_data = gen_pcm16_test(wav_rate, wav_count, stereo);
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}
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Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
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stream->set_mix_rate(wav_rate);
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CHECK(stream->get_mix_rate() == wav_rate);
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stream->set_format(data_format);
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CHECK(stream->get_format() == data_format);
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stream->set_stereo(stereo);
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CHECK(stream->is_stereo() == stereo);
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stream->set_data(test_data);
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CHECK(stream->get_data() == test_data);
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SUBCASE("Stream length is computed properly") {
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CHECK(stream->get_length() == doctest::Approx(double(wav_count / wav_rate)));
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}
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SUBCASE("Stream can be saved as .wav") {
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REQUIRE(stream->save_to_wav(save_path) == OK);
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Error error;
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Ref<FileAccess> wav_file = FileAccess::open(save_path, FileAccess::READ, &error);
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REQUIRE(error == OK);
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#ifdef TOOLS_ENABLED
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// The WAV importer can be used if enabled to check that the saved file is valid.
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Ref<ResourceImporterWAV> wav_importer = memnew(ResourceImporterWAV);
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List<ResourceImporter::ImportOption> options_list;
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wav_importer->get_import_options("", &options_list);
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HashMap<StringName, Variant> options_map;
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for (const ResourceImporter::ImportOption &E : options_list) {
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options_map[E.option.name] = E.default_value;
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}
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// Compressed streams can't be saved, disable compression.
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options_map["compress/mode"] = 0;
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REQUIRE(wav_importer->import(0, save_path, save_path, options_map, nullptr) == OK);
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String load_path = save_path + "." + wav_importer->get_save_extension();
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Ref<AudioStreamWAV> loaded_stream = ResourceLoader::load(load_path, "AudioStreamWAV", ResourceFormatImporter::CACHE_MODE_IGNORE, &error);
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REQUIRE(error == OK);
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CHECK(loaded_stream->get_format() == stream->get_format());
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CHECK(loaded_stream->get_loop_mode() == stream->get_loop_mode());
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CHECK(loaded_stream->get_loop_begin() == stream->get_loop_begin());
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CHECK(loaded_stream->get_loop_end() == stream->get_loop_end());
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CHECK(loaded_stream->get_mix_rate() == stream->get_mix_rate());
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CHECK(loaded_stream->is_stereo() == stream->is_stereo());
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CHECK(loaded_stream->get_length() == stream->get_length());
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CHECK(loaded_stream->is_monophonic() == stream->is_monophonic());
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CHECK(loaded_stream->get_data() == stream->get_data());
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#endif
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}
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}
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TEST_CASE("[Audio][AudioStreamWAV] Mono PCM8 format") {
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run_test("test_pcm8_mono.wav", AudioStreamWAV::FORMAT_8_BITS, false, WAV_RATE, WAV_COUNT);
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}
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TEST_CASE("[Audio][AudioStreamWAV] Mono PCM16 format") {
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run_test("test_pcm16_mono.wav", AudioStreamWAV::FORMAT_16_BITS, false, WAV_RATE, WAV_COUNT);
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}
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TEST_CASE("[Audio][AudioStreamWAV] Stereo PCM8 format") {
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run_test("test_pcm8_stereo.wav", AudioStreamWAV::FORMAT_8_BITS, true, WAV_RATE, WAV_COUNT);
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}
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TEST_CASE("[Audio][AudioStreamWAV] Stereo PCM16 format") {
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run_test("test_pcm16_stereo.wav", AudioStreamWAV::FORMAT_16_BITS, true, WAV_RATE, WAV_COUNT);
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}
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TEST_CASE("[Audio][AudioStreamWAV] Alternate mix rate") {
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run_test("test_pcm16_stereo_38000Hz.wav", AudioStreamWAV::FORMAT_16_BITS, true, 38000, 38000);
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}
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TEST_CASE("[Audio][AudioStreamWAV] save_to_wav() adds '.wav' file extension automatically") {
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String save_path = TestUtils::get_temp_path("test_wav_extension");
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Vector<uint8_t> test_data = gen_pcm8_test(WAV_RATE, WAV_COUNT, false);
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Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
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stream->set_data(test_data);
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REQUIRE(stream->save_to_wav(save_path) == OK);
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Error error;
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Ref<FileAccess> wav_file = FileAccess::open(save_path + ".wav", FileAccess::READ, &error);
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CHECK(error == OK);
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}
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TEST_CASE("[Audio][AudioStreamWAV] Default values") {
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Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
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CHECK(stream->get_format() == AudioStreamWAV::FORMAT_8_BITS);
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CHECK(stream->get_loop_mode() == AudioStreamWAV::LOOP_DISABLED);
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CHECK(stream->get_loop_begin() == 0);
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CHECK(stream->get_loop_end() == 0);
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CHECK(stream->get_mix_rate() == 44100);
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CHECK(stream->is_stereo() == false);
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CHECK(stream->get_length() == 0);
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CHECK(stream->is_monophonic() == false);
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CHECK(stream->get_data() == Vector<uint8_t>{});
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CHECK(stream->get_stream_name() == "");
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}
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TEST_CASE("[Audio][AudioStreamWAV] Save empty file") {
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run_test("test_empty.wav", AudioStreamWAV::FORMAT_8_BITS, false, WAV_RATE, 0);
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}
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TEST_CASE("[Audio][AudioStreamWAV] Saving IMA ADPCM is not supported") {
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String save_path = TestUtils::get_temp_path("test_adpcm.wav");
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Ref<AudioStreamWAV> stream = memnew(AudioStreamWAV);
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stream->set_format(AudioStreamWAV::FORMAT_IMA_ADPCM);
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ERR_PRINT_OFF;
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CHECK(stream->save_to_wav(save_path) == ERR_UNAVAILABLE);
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ERR_PRINT_ON;
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}
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} // namespace TestAudioStreamWAV
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#endif // TEST_AUDIO_STREAM_WAV_H
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