godot/editor/plugins/sample_editor_plugin.cpp

420 lines
12 KiB
C++

/*************************************************************************/
/* sample_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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. */
/*************************************************************************/
#include "sample_editor_plugin.h"
#include "editor/editor_settings.h"
#include "globals.h"
#include "io/resource_loader.h"
void SampleEditor::_input_event(InputEvent p_event) {
}
void SampleEditor::_notification(int p_what) {
if (p_what == NOTIFICATION_FIXED_PROCESS) {
}
if (p_what == NOTIFICATION_ENTER_TREE) {
play->set_icon(get_icon("Play", "EditorIcons"));
stop->set_icon(get_icon("Stop", "EditorIcons"));
}
if (p_what == NOTIFICATION_READY) {
//get_scene()->connect("node_removed",this,"_node_removed");
}
if (p_what == NOTIFICATION_DRAW) {
}
}
void SampleEditor::_play_pressed() {
player->play("default", true);
stop->set_pressed(false);
play->set_pressed(true);
}
void SampleEditor::_stop_pressed() {
player->stop_all();
play->set_pressed(false);
}
void SampleEditor::generate_preview_texture(const Ref<Sample> &p_sample, Ref<ImageTexture> &p_texture) {
if (p_sample == NULL)
return;
DVector<uint8_t> data = p_sample->get_data();
DVector<uint8_t> img;
int w = p_texture->get_width();
int h = p_texture->get_height();
img.resize(w * h * 3);
DVector<uint8_t>::Write imgdata = img.write();
uint8_t *imgw = imgdata.ptr();
DVector<uint8_t>::Read sampledata = data.read();
const uint8_t *sdata = sampledata.ptr();
bool stereo = p_sample->is_stereo();
bool _16 = p_sample->get_format() == Sample::FORMAT_PCM16;
int len = p_sample->get_length();
if (len < 1)
return;
if (p_sample->get_format() == Sample::FORMAT_IMA_ADPCM) {
struct IMA_ADPCM_State {
int16_t step_index;
int32_t predictor;
/* values at loop point */
int16_t loop_step_index;
int32_t loop_predictor;
int32_t last_nibble;
int32_t loop_pos;
int32_t window_ofs;
const uint8_t *ptr;
} ima_adpcm;
ima_adpcm.step_index = 0;
ima_adpcm.predictor = 0;
ima_adpcm.loop_step_index = 0;
ima_adpcm.loop_predictor = 0;
ima_adpcm.last_nibble = -1;
ima_adpcm.loop_pos = 0x7FFFFFFF;
ima_adpcm.window_ofs = 0;
ima_adpcm.ptr = NULL;
for (int i = 0; i < w; i++) {
float max[2] = { -1e10, -1e10 };
float min[2] = { 1e10, 1e10 };
int from = i * len / w;
int to = (i + 1) * len / w;
if (to >= len)
to = len - 1;
for (int j = from; j < to; j++) {
while (j > ima_adpcm.last_nibble) {
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
};
int16_t nibble, diff, step;
ima_adpcm.last_nibble++;
const uint8_t *src_ptr = sdata;
int ofs = ima_adpcm.last_nibble >> 1;
if (stereo)
ofs *= 2;
nibble = (ima_adpcm.last_nibble & 1) ?
(src_ptr[ofs] >> 4) :
(src_ptr[ofs] & 0xF);
step = _ima_adpcm_step_table[ima_adpcm.step_index];
ima_adpcm.step_index += _ima_adpcm_index_table[nibble];
if (ima_adpcm.step_index < 0)
ima_adpcm.step_index = 0;
if (ima_adpcm.step_index > 88)
ima_adpcm.step_index = 88;
diff = step >> 3;
if (nibble & 1)
diff += step >> 2;
if (nibble & 2)
diff += step >> 1;
if (nibble & 4)
diff += step;
if (nibble & 8)
diff = -diff;
ima_adpcm.predictor += diff;
if (ima_adpcm.predictor < -0x8000)
ima_adpcm.predictor = -0x8000;
else if (ima_adpcm.predictor > 0x7FFF)
ima_adpcm.predictor = 0x7FFF;
/* store loop if there */
if (ima_adpcm.last_nibble == ima_adpcm.loop_pos) {
ima_adpcm.loop_step_index = ima_adpcm.step_index;
ima_adpcm.loop_predictor = ima_adpcm.predictor;
}
}
float v = ima_adpcm.predictor / 32767.0;
if (v > max[0])
max[0] = v;
if (v < min[0])
min[0] = v;
}
for (int j = 0; j < h; j++) {
float v = (j / (float)h) * 2.0 - 1.0;
uint8_t *imgofs = &imgw[(uint64_t(j) * w + i) * 3];
if (v > min[0] && v < max[0]) {
imgofs[0] = 255;
imgofs[1] = 150;
imgofs[2] = 80;
} else {
imgofs[0] = 0;
imgofs[1] = 0;
imgofs[2] = 0;
}
}
}
} else {
for (int i = 0; i < w; i++) {
// i trust gcc will optimize this loop
float max[2] = { -1e10, -1e10 };
float min[2] = { 1e10, 1e10 };
int c = stereo ? 2 : 1;
int from = uint64_t(i) * len / w;
int to = (uint64_t(i) + 1) * len / w;
if (to >= len)
to = len - 1;
if (_16) {
const int16_t *src = (const int16_t *)sdata;
for (int j = 0; j < c; j++) {
for (int k = from; k <= to; k++) {
float v = src[uint64_t(k) * c + j] / 32768.0;
if (v > max[j])
max[j] = v;
if (v < min[j])
min[j] = v;
}
}
} else {
const int8_t *src = (const int8_t *)sdata;
for (int j = 0; j < c; j++) {
for (int k = from; k <= to; k++) {
float v = src[uint64_t(k) * c + j] / 128.0;
if (v > max[j])
max[j] = v;
if (v < min[j])
min[j] = v;
}
}
}
if (!stereo) {
for (int j = 0; j < h; j++) {
float v = (j / (float)h) * 2.0 - 1.0;
uint8_t *imgofs = &imgw[(uint64_t(j) * w + i) * 3];
if (v > min[0] && v < max[0]) {
imgofs[0] = 255;
imgofs[1] = 150;
imgofs[2] = 80;
} else {
imgofs[0] = 0;
imgofs[1] = 0;
imgofs[2] = 0;
}
}
} else {
for (int j = 0; j < h; j++) {
int half;
float v;
if (j < (h / 2)) {
half = 0;
v = (j / (float)(h / 2)) * 2.0 - 1.0;
} else {
half = 1;
v = ((j - (h / 2)) / (float)(h / 2)) * 2.0 - 1.0;
}
uint8_t *imgofs = &imgw[(uint64_t(j) * w + i) * 3];
if (v > min[half] && v < max[half]) {
imgofs[0] = 255;
imgofs[1] = 150;
imgofs[2] = 80;
} else {
imgofs[0] = 0;
imgofs[1] = 0;
imgofs[2] = 0;
}
}
}
}
}
imgdata = DVector<uint8_t>::Write();
p_texture->set_data(Image(w, h, 0, Image::FORMAT_RGB, img));
}
void SampleEditor::_update_sample() {
player->stop_all();
generate_preview_texture(sample, peakdisplay);
info_label->set_text(TTR("Length:") + " " + String::num(sample->get_length() / (float)sample->get_mix_rate(), 2) + "s");
if (library->has_sample("default"))
library->remove_sample("default");
library->add_sample("default", sample);
}
void SampleEditor::edit(Ref<Sample> p_sample) {
sample = p_sample;
if (!sample.is_null())
_update_sample();
else {
hide();
set_fixed_process(false);
}
}
void SampleEditor::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_input_event"), &SampleEditor::_input_event);
ObjectTypeDB::bind_method(_MD("_play_pressed"), &SampleEditor::_play_pressed);
ObjectTypeDB::bind_method(_MD("_stop_pressed"), &SampleEditor::_stop_pressed);
}
SampleEditor::SampleEditor() {
player = memnew(SamplePlayer);
add_child(player);
add_style_override("panel", get_stylebox("panel", "Panel"));
library = Ref<SampleLibrary>(memnew(SampleLibrary));
player->set_sample_library(library);
sample_texframe = memnew(TextureFrame);
add_child(sample_texframe);
sample_texframe->set_anchor_and_margin(MARGIN_LEFT, ANCHOR_BEGIN, 5);
sample_texframe->set_anchor_and_margin(MARGIN_RIGHT, ANCHOR_END, 5);
sample_texframe->set_anchor_and_margin(MARGIN_TOP, ANCHOR_BEGIN, 30);
sample_texframe->set_anchor_and_margin(MARGIN_BOTTOM, ANCHOR_END, 5);
info_label = memnew(Label);
sample_texframe->add_child(info_label);
info_label->set_area_as_parent_rect();
info_label->set_anchor_and_margin(MARGIN_TOP, ANCHOR_END, 15);
info_label->set_margin(MARGIN_BOTTOM, 4);
info_label->set_margin(MARGIN_RIGHT, 4);
info_label->set_align(Label::ALIGN_RIGHT);
play = memnew(Button);
play->set_pos(Point2(5, 5));
play->set_size(Size2(1, 1));
play->set_toggle_mode(true);
add_child(play);
stop = memnew(Button);
stop->set_pos(Point2(35, 5));
stop->set_size(Size2(1, 1));
stop->set_toggle_mode(true);
add_child(stop);
peakdisplay = Ref<ImageTexture>(memnew(ImageTexture));
peakdisplay->create(EDITOR_DEF("audio/sample_editor_preview_width", 512), EDITOR_DEF("audio/sample_editor_preview_height", 128), Image::FORMAT_RGB);
sample_texframe->set_expand(true);
sample_texframe->set_texture(peakdisplay);
play->connect("pressed", this, "_play_pressed");
stop->connect("pressed", this, "_stop_pressed");
set_custom_minimum_size(Size2(1, 150) * EDSCALE);
}
void SampleEditorPlugin::edit(Object *p_object) {
Sample *s = p_object->cast_to<Sample>();
if (!s)
return;
sample_editor->edit(Ref<Sample>(s));
}
bool SampleEditorPlugin::handles(Object *p_object) const {
return p_object->is_type("Sample");
}
void SampleEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
sample_editor->show();
// sample_editor->set_process(true);
} else {
sample_editor->hide();
// sample_editor->set_process(false);
}
}
SampleEditorPlugin::SampleEditorPlugin(EditorNode *p_node) {
editor = p_node;
sample_editor = memnew(SampleEditor);
add_control_to_container(CONTAINER_PROPERTY_EDITOR_BOTTOM, sample_editor);
sample_editor->hide();
}
SampleEditorPlugin::~SampleEditorPlugin() {
}