godot/editor/io_plugins/editor_sample_import_plugin.cpp

/*************************************************************************/
/*  editor_sample_import_plugin.cpp                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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/* included in all copies or substantial portions of the Software.       */
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#include "editor_sample_import_plugin.h"
#include "editor/editor_dir_dialog.h"
#include "editor/editor_file_dialog.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/property_editor.h"
#include "io/marshalls.h"
#include "io/resource_saver.h"
#include "os/file_access.h"
#include "scene/resources/sample.h"

class _EditorSampleImportOptions : public Object {

	OBJ_TYPE(_EditorSampleImportOptions, Object);

public:
	enum CompressMode {
		COMPRESS_MODE_DISABLED,
		COMPRESS_MODE_RAM,
		COMPRESS_MODE_DISK
	};

	enum CompressBitrate {
		COMPRESS_64,
		COMPRESS_96,
		COMPRESS_128,
		COMPRESS_192
	};

	bool force_8_bit;
	bool force_mono;
	bool force_rate;
	float force_rate_hz;

	bool edit_trim;
	bool edit_normalize;
	bool edit_loop;

	CompressMode compress_mode;
	CompressBitrate compress_bitrate;

	bool _set(const StringName &p_name, const Variant &p_value) {

		String n = p_name;
		if (n == "force/8_bit")
			force_8_bit = p_value;
		else if (n == "force/mono")
			force_mono = p_value;
		else if (n == "force/max_rate")
			force_rate = p_value;
		else if (n == "force/max_rate_hz")
			force_rate_hz = p_value;
		else if (n == "edit/trim")
			edit_trim = p_value;
		else if (n == "edit/normalize")
			edit_normalize = p_value;
		else if (n == "edit/loop")
			edit_loop = p_value;
		else if (n == "compress/mode")
			compress_mode = CompressMode(int(p_value));
		else if (n == "compress/bitrate")
			compress_bitrate = CompressBitrate(int(p_value));
		else
			return false;

		return true;
	}

	bool _get(const StringName &p_name, Variant &r_ret) const {

		String n = p_name;
		if (n == "force/8_bit")
			r_ret = force_8_bit;
		else if (n == "force/mono")
			r_ret = force_mono;
		else if (n == "force/max_rate")
			r_ret = force_rate;
		else if (n == "force/max_rate_hz")
			r_ret = force_rate_hz;
		else if (n == "edit/trim")
			r_ret = edit_trim;
		else if (n == "edit/normalize")
			r_ret = edit_normalize;
		else if (n == "edit/loop")
			r_ret = edit_loop;
		else if (n == "compress/mode")
			r_ret = compress_mode;
		else if (n == "compress/bitrate")
			r_ret = compress_bitrate;
		else
			return false;

		return true;
	}
	void _get_property_list(List<PropertyInfo> *p_list) const {

		p_list->push_back(PropertyInfo(Variant::BOOL, "force/8_bit"));
		p_list->push_back(PropertyInfo(Variant::BOOL, "force/mono"));
		p_list->push_back(PropertyInfo(Variant::BOOL, "force/max_rate"));
		p_list->push_back(PropertyInfo(Variant::REAL, "force/max_rate_hz", PROPERTY_HINT_EXP_RANGE, "11025,192000,1"));
		p_list->push_back(PropertyInfo(Variant::BOOL, "edit/trim"));
		p_list->push_back(PropertyInfo(Variant::BOOL, "edit/normalize"));
		p_list->push_back(PropertyInfo(Variant::BOOL, "edit/loop"));
		p_list->push_back(PropertyInfo(Variant::INT, "compress/mode", PROPERTY_HINT_ENUM, "Disabled,RAM (Ima-ADPCM)"));
		//p_list->push_back(PropertyInfo(Variant::INT,"compress/bitrate",PROPERTY_HINT_ENUM,"64,96,128,192"));
	}

	static void _bind_methods() {

		ADD_SIGNAL(MethodInfo("changed"));
	}

	_EditorSampleImportOptions() {

		force_8_bit = false;
		force_mono = false;
		force_rate = true;
		force_rate_hz = 44100;

		edit_trim = true;
		edit_normalize = true;
		edit_loop = false;

		compress_mode = COMPRESS_MODE_RAM;
		compress_bitrate = COMPRESS_128;
	}
};

class EditorSampleImportDialog : public ConfirmationDialog {

	OBJ_TYPE(EditorSampleImportDialog, ConfirmationDialog);

	EditorSampleImportPlugin *plugin;

	LineEdit *import_path;
	LineEdit *save_path;
	EditorFileDialog *file_select;
	EditorDirDialog *save_select;
	ConfirmationDialog *error_dialog;
	PropertyEditor *option_editor;

	_EditorSampleImportOptions *options;

public:
	void _choose_files(const Vector<String> &p_path) {

		String files;
		for (int i = 0; i < p_path.size(); i++) {

			if (i > 0)
				files += ",";
			files += p_path[i];
		}
		/*
		if (p_path.size()) {
			String srctex=p_path[0];
			String ipath = EditorImportDB::get_singleton()->find_source_path(srctex);

			if (ipath!="")
				save_path->set_text(ipath.get_base_dir());
		}*/
		import_path->set_text(files);
	}
	void _choose_save_dir(const String &p_path) {

		save_path->set_text(p_path);
	}

	void _browse() {

		file_select->popup_centered_ratio();
	}

	void _browse_target() {

		save_select->popup_centered_ratio();
	}

	void popup_import(const String &p_path) {

		popup_centered(Size2(400, 400) * EDSCALE);
		if (p_path != "") {

			Ref<ResourceImportMetadata> rimd = ResourceLoader::load_import_metadata(p_path);
			ERR_FAIL_COND(!rimd.is_valid());

			save_path->set_text(p_path.get_base_dir());
			List<String> opts;
			rimd->get_options(&opts);
			for (List<String>::Element *E = opts.front(); E; E = E->next()) {

				options->_set(E->get(), rimd->get_option(E->get()));
			}

			String src = "";
			for (int i = 0; i < rimd->get_source_count(); i++) {
				if (i > 0)
					src += ",";
				src += EditorImportPlugin::expand_source_path(rimd->get_source_path(i));
			}
			import_path->set_text(src);
		}
	}

	void _import() {

		Vector<String> samples = import_path->get_text().split(",");

		if (samples.size() == 0) {
			error_dialog->set_text(TTR("No samples to import!"));
			error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
		}

		if (save_path->get_text().strip_edges() == "") {
			error_dialog->set_text(TTR("Target path is empty."));
			error_dialog->popup_centered_minsize();
			return;
		}

		if (!save_path->get_text().begins_with("res://")) {
			error_dialog->set_text(TTR("Target path must be a complete resource path."));
			error_dialog->popup_centered_minsize();
			return;
		}

		if (!DirAccess::exists(save_path->get_text())) {
			error_dialog->set_text(TTR("Target path must exist."));
			error_dialog->popup_centered_minsize();
			return;
		}

		for (int i = 0; i < samples.size(); i++) {

			Ref<ResourceImportMetadata> imd = memnew(ResourceImportMetadata);

			List<PropertyInfo> pl;
			options->_get_property_list(&pl);
			for (List<PropertyInfo>::Element *E = pl.front(); E; E = E->next()) {

				Variant v;
				String opt = E->get().name;
				options->_get(opt, v);
				imd->set_option(opt, v);
			}

			imd->add_source(EditorImportPlugin::validate_source_path(samples[i]));

			String dst = save_path->get_text();
			if (dst == "") {
				error_dialog->set_text(TTR("Save path is empty!"));
				error_dialog->popup_centered(Size2(200, 100) * EDSCALE);
			}

			dst = dst.plus_file(samples[i].get_file().basename() + ".smp");

			Error err = plugin->import(dst, imd);
		}

		hide();
	}

	void _notification(int p_what) {

		if (p_what == NOTIFICATION_ENTER_TREE) {

			option_editor->edit(options);
		}
	}

	static void _bind_methods() {

		ObjectTypeDB::bind_method("_choose_files", &EditorSampleImportDialog::_choose_files);
		ObjectTypeDB::bind_method("_choose_save_dir", &EditorSampleImportDialog::_choose_save_dir);
		ObjectTypeDB::bind_method("_import", &EditorSampleImportDialog::_import);
		ObjectTypeDB::bind_method("_browse", &EditorSampleImportDialog::_browse);
		ObjectTypeDB::bind_method("_browse_target", &EditorSampleImportDialog::_browse_target);
		//	ADD_SIGNAL( MethodInfo("imported",PropertyInfo(Variant::OBJECT,"scene")) );
	}

	EditorSampleImportDialog(EditorSampleImportPlugin *p_plugin) {

		plugin = p_plugin;

		set_title(TTR("Import Audio Samples"));

		VBoxContainer *vbc = memnew(VBoxContainer);
		add_child(vbc);
		set_child_rect(vbc);

		HBoxContainer *hbc = memnew(HBoxContainer);
		vbc->add_margin_child(TTR("Source Sample(s):"), hbc);

		import_path = memnew(LineEdit);
		import_path->set_h_size_flags(SIZE_EXPAND_FILL);
		hbc->add_child(import_path);

		Button *import_choose = memnew(Button);
		import_choose->set_text(" .. ");
		hbc->add_child(import_choose);

		import_choose->connect("pressed", this, "_browse");

		hbc = memnew(HBoxContainer);
		vbc->add_margin_child(TTR("Target Path:"), hbc);

		save_path = memnew(LineEdit);
		save_path->set_h_size_flags(SIZE_EXPAND_FILL);
		hbc->add_child(save_path);

		Button *save_choose = memnew(Button);
		save_choose->set_text(" .. ");
		hbc->add_child(save_choose);

		save_choose->connect("pressed", this, "_browse_target");

		file_select = memnew(EditorFileDialog);
		file_select->set_access(EditorFileDialog::ACCESS_FILESYSTEM);
		add_child(file_select);
		file_select->set_mode(EditorFileDialog::MODE_OPEN_FILES);
		file_select->connect("files_selected", this, "_choose_files");
		file_select->add_filter("*.wav ; MS Waveform");
		save_select = memnew(EditorDirDialog);
		add_child(save_select);

		//	save_select->set_mode(EditorFileDialog::MODE_OPEN_DIR);
		save_select->connect("dir_selected", this, "_choose_save_dir");

		get_ok()->connect("pressed", this, "_import");
		get_ok()->set_text(TTR("Import"));

		error_dialog = memnew(ConfirmationDialog);
		add_child(error_dialog);
		error_dialog->get_ok()->set_text(TTR("Accept"));
		//	error_dialog->get_cancel()->hide();

		set_hide_on_ok(false);
		options = memnew(_EditorSampleImportOptions);

		option_editor = memnew(PropertyEditor);
		option_editor->hide_top_label();
		vbc->add_margin_child(TTR("Options:"), option_editor, true);
	}

	~EditorSampleImportDialog() {
		memdelete(options);
	}
};

String EditorSampleImportPlugin::get_name() const {

	return "sample";
}
String EditorSampleImportPlugin::get_visible_name() const {

	return TTR("Audio Sample");
}
void EditorSampleImportPlugin::import_dialog(const String &p_from) {

	dialog->popup_import(p_from);
}
Error EditorSampleImportPlugin::import(const String &p_path, const Ref<ResourceImportMetadata> &p_from) {

	ERR_FAIL_COND_V(p_from->get_source_count() != 1, ERR_INVALID_PARAMETER);

	Ref<ResourceImportMetadata> from = p_from;

	String src_path = EditorImportPlugin::expand_source_path(from->get_source_path(0));
	Ref<Sample> smp = ResourceLoader::load(src_path);
	ERR_FAIL_COND_V(smp.is_null(), ERR_CANT_OPEN);

	float rate = smp->get_mix_rate();
	bool is16 = smp->get_format() == Sample::FORMAT_PCM16;
	int chans = smp->is_stereo() ? 2 : 1;
	int len = smp->get_length();
	Sample::LoopFormat loop = smp->get_loop_format();
	int loop_beg = smp->get_loop_begin();
	int loop_end = smp->get_loop_end();

	print_line("Input Sample: ");
	print_line("\tlen: " + itos(len));
	print_line("\tchans: " + itos(chans));
	print_line("\t16bits: " + itos(is16));
	print_line("\trate: " + itos(rate));
	print_line("\tloop: " + itos(loop));
	print_line("\tloop begin: " + itos(loop_beg));
	print_line("\tloop end: " + itos(loop_end));
	Vector<float> data;
	data.resize(len * chans);

	{
		DVector<uint8_t> src_data = smp->get_data();
		DVector<uint8_t>::Read sr = src_data.read();

		for (int i = 0; i < len * chans; i++) {

			float s = 0;
			if (is16) {

				int16_t i16 = decode_uint16(&sr[i * 2]);
				s = i16 / 32767.0;
			} else {

				int8_t i8 = sr[i];
				s = i8 / 127.0;
			}
			data[i] = s;
		}
	}

	//apply frequency limit

	bool limit_rate = from->get_option("force/max_rate");
	int limit_rate_hz = from->get_option("force/max_rate_hz");
	if (limit_rate && rate > limit_rate_hz) {
		//resampleeee!!!
		int new_data_len = len * limit_rate_hz / rate;
		Vector<float> new_data;
		new_data.resize(new_data_len * chans);
		for (int c = 0; c < chans; c++) {

			for (int i = 0; i < new_data_len; i++) {

				//simple cubic interpolation should be enough.
				float pos = float(i) * len / new_data_len;
				float mu = pos - Math::floor(pos);
				int ipos = int(Math::floor(pos));

				float y0 = data[MAX(0, ipos - 1) * chans + c];
				float y1 = data[ipos * chans + c];
				float y2 = data[MIN(len - 1, ipos + 1) * chans + c];
				float y3 = data[MIN(len - 1, ipos + 2) * chans + c];

				float mu2 = mu * mu;
				float a0 = y3 - y2 - y0 + y1;
				float a1 = y0 - y1 - a0;
				float a2 = y2 - y0;
				float a3 = y1;

				float res = (a0 * mu * mu2 + a1 * mu2 + a2 * mu + a3);

				new_data[i * chans + c] = res;
			}
		}

		if (loop) {

			loop_beg = loop_beg * new_data_len / len;
			loop_end = loop_end * new_data_len / len;
		}
		data = new_data;
		rate = limit_rate_hz;
		len = new_data_len;
	}

	bool normalize = from->get_option("edit/normalize");

	if (normalize) {

		float max = 0;
		for (int i = 0; i < data.size(); i++) {

			float amp = Math::abs(data[i]);
			if (amp > max)
				max = amp;
		}

		if (max > 0) {

			float mult = 1.0 / max;
			for (int i = 0; i < data.size(); i++) {

				data[i] *= mult;
			}
		}
	}

	bool trim = from->get_option("edit/trim");

	if (trim && !loop) {

		int first = 0;
		int last = (len * chans) - 1;
		bool found = false;
		float limit = Math::db2linear(-30);
		for (int i = 0; i < data.size(); i++) {
			float amp = Math::abs(data[i]);

			if (!found && amp > limit) {
				first = i;
				found = true;
			}

			if (found && amp > limit) {
				last = i;
			}
		}

		first /= chans;
		last /= chans;

		if (first < last) {

			Vector<float> new_data;
			new_data.resize((last - first + 1) * chans);
			for (int i = first * chans; i <= last * chans; i++) {
				new_data[i - first * chans] = data[i];
			}

			data = new_data;
			len = data.size() / chans;
		}
	}

	bool make_loop = from->get_option("edit/loop");

	if (make_loop && !loop) {

		loop = Sample::LOOP_FORWARD;
		loop_beg = 0;
		loop_end = len;
	}

	int compression = from->get_option("compress/mode");
	bool force_mono = from->get_option("force/mono");

	if (force_mono && chans == 2) {

		Vector<float> new_data;
		new_data.resize(data.size() / 2);
		for (int i = 0; i < len; i++) {
			new_data[i] = (data[i * 2 + 0] + data[i * 2 + 1]) / 2.0;
		}

		data = new_data;
		chans = 1;
	}

	bool force_8_bit = from->get_option("force/8_bit");
	if (force_8_bit) {

		is16 = false;
	}

	DVector<uint8_t> dst_data;
	Sample::Format dst_format;

	if (compression == _EditorSampleImportOptions::COMPRESS_MODE_RAM) {

		dst_format = Sample::FORMAT_IMA_ADPCM;
		if (chans == 1) {
			_compress_ima_adpcm(data, dst_data);
		} else {

			print_line("INTERLEAAVE!");

			//byte interleave
			Vector<float> left;
			Vector<float> right;

			int tlen = data.size() / 2;
			left.resize(tlen);
			right.resize(tlen);

			for (int i = 0; i < tlen; i++) {
				left[i] = data[i * 2 + 0];
				right[i] = data[i * 2 + 1];
			}

			DVector<uint8_t> bleft;
			DVector<uint8_t> bright;

			_compress_ima_adpcm(left, bleft);
			_compress_ima_adpcm(right, bright);

			int dl = bleft.size();
			dst_data.resize(dl * 2);

			DVector<uint8_t>::Write w = dst_data.write();
			DVector<uint8_t>::Read rl = bleft.read();
			DVector<uint8_t>::Read rr = bright.read();

			for (int i = 0; i < dl; i++) {
				w[i * 2 + 0] = rl[i];
				w[i * 2 + 1] = rr[i];
			}
		}

		//		print_line("compressing ima-adpcm, resulting buffersize is "+itos(dst_data.size())+" from "+itos(data.size()));

	} else {

		dst_format = is16 ? Sample::FORMAT_PCM16 : Sample::FORMAT_PCM8;
		dst_data.resize(data.size() * (is16 ? 2 : 1));
		{
			DVector<uint8_t>::Write w = dst_data.write();

			int ds = data.size();
			for (int i = 0; i < ds; i++) {

				if (is16) {
					int16_t v = CLAMP(data[i] * 32767, -32768, 32767);
					encode_uint16(v, &w[i * 2]);
				} else {
					int8_t v = CLAMP(data[i] * 127, -128, 127);
					w[i] = v;
				}
			}
		}
	}

	Ref<Sample> target;

	if (ResourceCache::has(p_path)) {

		target = Ref<Sample>(ResourceCache::get(p_path)->cast_to<Sample>());
	} else {

		target = smp;
	}

	target->create(dst_format, chans == 2 ? true : false, len);
	target->set_data(dst_data);
	target->set_mix_rate(rate);
	target->set_loop_format(loop);
	target->set_loop_begin(loop_beg);
	target->set_loop_end(loop_end);

	from->set_source_md5(0, FileAccess::get_md5(src_path));
	from->set_editor(get_name());
	target->set_import_metadata(from);

	Error err = ResourceSaver::save(p_path, smp);

	return err;
}

void EditorSampleImportPlugin::_compress_ima_adpcm(const Vector<float> &p_data, DVector<uint8_t> &dst_data) {

	/*p_sample_data->data = (void*)malloc(len);
	xm_s8 *dataptr=(xm_s8*)p_sample_data->data;*/

	static const int16_t _ima_adpcm_step_table[89] = {
		7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
		19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
		50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
		130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
		337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
		876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
		2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
		5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
		15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
	};

	static const int8_t _ima_adpcm_index_table[16] = {
		-1, -1, -1, -1, 2, 4, 6, 8,
		-1, -1, -1, -1, 2, 4, 6, 8
	};

	int datalen = p_data.size();
	int datamax = datalen;
	if (datalen & 1)
		datalen++;

	dst_data.resize(datalen / 2 + 4);
	DVector<uint8_t>::Write w = dst_data.write();

	int i, step_idx = 0, prev = 0;
	uint8_t *out = w.ptr();
	//int16_t xm_prev=0;
	const float *in = p_data.ptr();

	/* initial value is zero */
	*(out++) = 0;
	*(out++) = 0;
	/* Table index initial value */
	*(out++) = 0;
	/* unused */
	*(out++) = 0;

	for (i = 0; i < datalen; i++) {
		int step, diff, vpdiff, mask;
		uint8_t nibble;
		int16_t xm_sample;

		if (i >= datamax)
			xm_sample = 0;
		else {

			xm_sample = CLAMP(in[i] * 32767.0, -32768, 32767);
			//if (xm_sample==32767 || xm_sample==-32768)
			//	printf("clippy!\n",xm_sample);
		}

		//	xm_sample=xm_sample+xm_prev;
		//	xm_prev=xm_sample;

		diff = (int)xm_sample - prev;

		nibble = 0;
		step = _ima_adpcm_step_table[step_idx];
		vpdiff = step >> 3;
		if (diff < 0) {
			nibble = 8;
			diff = -diff;
		}
		mask = 4;
		while (mask) {

			if (diff >= step) {

				nibble |= mask;
				diff -= step;
				vpdiff += step;
			}

			step >>= 1;
			mask >>= 1;
		};

		if (nibble & 8)
			prev -= vpdiff;
		else
			prev += vpdiff;

		if (prev > 32767) {
			//printf("%i,xms %i, prev %i,diff %i, vpdiff %i, clip up %i\n",i,xm_sample,prev,diff,vpdiff,prev);
			prev = 32767;
		} else if (prev < -32768) {
			//printf("%i,xms %i, prev %i,diff %i, vpdiff %i, clip down %i\n",i,xm_sample,prev,diff,vpdiff,prev);
			prev = -32768;
		}

		step_idx += _ima_adpcm_index_table[nibble];
		if (step_idx < 0)
			step_idx = 0;
		else if (step_idx > 88)
			step_idx = 88;

		if (i & 1) {
			*out |= nibble << 4;
			out++;
		} else {
			*out = nibble;
		}
		/*dataptr[i]=prev>>8;*/
	}
}

EditorSampleImportPlugin *EditorSampleImportPlugin::singleton = NULL;

void EditorSampleImportPlugin::import_from_drop(const Vector<String> &p_drop, const String &p_dest_path) {

	Vector<String> files;
	for (int i = 0; i < p_drop.size(); i++) {
		String ext = p_drop[i].extension().to_lower();

		if (ext == "wav") {

			files.push_back(p_drop[i]);
		}
	}

	if (files.size()) {
		import_dialog();
		dialog->_choose_files(files);
		dialog->_choose_save_dir(p_dest_path);
	}
}

void EditorSampleImportPlugin::reimport_multiple_files(const Vector<String> &p_list) {

	if (p_list.size() == 0)
		return;

	Vector<String> sources;
	for (int i = 0; i < p_list.size(); i++) {
		int idx;
		EditorFileSystemDirectory *efsd = EditorFileSystem::get_singleton()->find_file(p_list[i], &idx);
		if (efsd) {
			for (int j = 0; j < efsd->get_source_count(idx); j++) {
				String file = expand_source_path(efsd->get_source_file(idx, j));
				if (sources.find(file) == -1) {
					sources.push_back(file);
				}
			}
		}
	}

	if (sources.size()) {

		dialog->popup_import(p_list[0]);
		dialog->_choose_files(sources);
		dialog->_choose_save_dir(p_list[0].get_base_dir());
	}
}

bool EditorSampleImportPlugin::can_reimport_multiple_files() const {

	return true;
}

EditorSampleImportPlugin::EditorSampleImportPlugin(EditorNode *p_editor) {

	singleton = this;
	dialog = memnew(EditorSampleImportDialog(this));
	p_editor->get_gui_base()->add_child(dialog);
}

Vector<uint8_t> EditorSampleExportPlugin::custom_export(String &p_path, const Ref<EditorExportPlatform> &p_platform) {

	if (EditorImportExport::get_singleton()->sample_get_action() == EditorImportExport::SAMPLE_ACTION_NONE || p_path.extension().to_lower() != "wav") {

		return Vector<uint8_t>();
	}

	Ref<ResourceImportMetadata> imd = memnew(ResourceImportMetadata);

	imd->add_source(EditorImportPlugin::validate_source_path(p_path));

	imd->set_option("force/8_bit", false);
	imd->set_option("force/mono", false);
	imd->set_option("force/max_rate", true);
	imd->set_option("force/max_rate_hz", EditorImportExport::get_singleton()->sample_get_max_hz());
	imd->set_option("edit/trim", EditorImportExport::get_singleton()->sample_get_trim());
	imd->set_option("edit/normalize", false);
	imd->set_option("edit/loop", false);
	imd->set_option("compress/mode", 1);

	String savepath = EditorSettings::get_singleton()->get_settings_path().plus_file("tmp/smpconv.smp");
	Error err = EditorSampleImportPlugin::singleton->import(savepath, imd);

	ERR_FAIL_COND_V(err != OK, Vector<uint8_t>());

	p_path = p_path.basename() + ".converted.smp";
	return FileAccess::get_file_as_array(savepath);
}

EditorSampleExportPlugin::EditorSampleExportPlugin() {
}