457 lines
11 KiB
C++
457 lines
11 KiB
C++
/*************************************************************************/
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/* sample_editor_plugin.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 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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#include "sample_editor_plugin.h"
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#include "io/resource_loader.h"
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#include "globals.h"
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#include "tools/editor/editor_settings.h"
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void SampleEditor::_input_event(InputEvent p_event) {
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}
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void SampleEditor::_notification(int p_what) {
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if (p_what==NOTIFICATION_FIXED_PROCESS) {
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}
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if (p_what==NOTIFICATION_ENTER_TREE) {
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play->set_icon( get_icon("Play","EditorIcons") );
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stop->set_icon( get_icon("Stop","EditorIcons") );
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}
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if (p_what==NOTIFICATION_READY) {
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//get_scene()->connect("node_removed",this,"_node_removed");
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}
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if (p_what==NOTIFICATION_DRAW) {
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}
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}
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void SampleEditor::_play_pressed() {
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player->play("default",true);
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stop->set_pressed(false);
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play->set_pressed(true);
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}
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void SampleEditor::_stop_pressed() {
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player->stop_all();
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play->set_pressed(false);
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}
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void SampleEditor::generate_preview_texture(const Ref<Sample>& p_sample,Ref<ImageTexture> &p_texture) {
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DVector<uint8_t> data = p_sample->get_data();
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DVector<uint8_t> img;
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int w = p_texture->get_width();
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int h = p_texture->get_height();
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img.resize(w*h*3);
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DVector<uint8_t>::Write imgdata = img.write();
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uint8_t * imgw = imgdata.ptr();
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DVector<uint8_t>::Read sampledata = data.read();
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const uint8_t *sdata=sampledata.ptr();
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bool stereo = p_sample->is_stereo();
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bool _16=p_sample->get_format()==Sample::FORMAT_PCM16;
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int len = p_sample->get_length();
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if (len<1)
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return;
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if (p_sample->get_format()==Sample::FORMAT_IMA_ADPCM) {
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struct IMA_ADPCM_State {
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int16_t step_index;
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int32_t predictor;
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/* values at loop point */
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int16_t loop_step_index;
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int32_t loop_predictor;
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int32_t last_nibble;
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int32_t loop_pos;
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int32_t window_ofs;
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const uint8_t *ptr;
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} ima_adpcm;
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ima_adpcm.step_index=0;
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ima_adpcm.predictor=0;
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ima_adpcm.loop_step_index=0;
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ima_adpcm.loop_predictor=0;
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ima_adpcm.last_nibble=-1;
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ima_adpcm.loop_pos=0x7FFFFFFF;
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ima_adpcm.window_ofs=0;
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ima_adpcm.ptr=NULL;
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for(int i=0;i<w;i++) {
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float max[2]={-1e10,-1e10};
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float min[2]={1e10,1e10};
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int from = i*len/w;
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int to = (i+1)*len/w;
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if (to>=len)
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to=len-1;
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for(int j=from;j<to;j++) {
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while(j>ima_adpcm.last_nibble) {
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static const int16_t _ima_adpcm_step_table[89] = {
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7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
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19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
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50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
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130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
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337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
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876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
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2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
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5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
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15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
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};
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static const int8_t _ima_adpcm_index_table[16] = {
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-1, -1, -1, -1, 2, 4, 6, 8,
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-1, -1, -1, -1, 2, 4, 6, 8
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};
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int16_t nibble,signed_nibble,diff,step;
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ima_adpcm.last_nibble++;
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const uint8_t *src_ptr=sdata;
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int ofs = ima_adpcm.last_nibble>>1;
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if (stereo)
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ofs*=2;
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nibble = (ima_adpcm.last_nibble&1)?
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(src_ptr[ofs]>>4):(src_ptr[ofs]&0xF);
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step=_ima_adpcm_step_table[ima_adpcm.step_index];
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ima_adpcm.step_index += _ima_adpcm_index_table[nibble];
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if (ima_adpcm.step_index<0)
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ima_adpcm.step_index=0;
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if (ima_adpcm.step_index>88)
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ima_adpcm.step_index=88;
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/*
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signed_nibble = (nibble&7) * ((nibble&8)?-1:1);
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diff = (2 * signed_nibble + 1) * step / 4; */
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diff = step >> 3 ;
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if (nibble & 1)
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diff += step >> 2 ;
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if (nibble & 2)
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diff += step >> 1 ;
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if (nibble & 4)
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diff += step ;
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if (nibble & 8)
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diff = -diff ;
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ima_adpcm.predictor+=diff;
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if (ima_adpcm.predictor<-0x8000)
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ima_adpcm.predictor=-0x8000;
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else if (ima_adpcm.predictor>0x7FFF)
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ima_adpcm.predictor=0x7FFF;
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/* store loop if there */
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if (ima_adpcm.last_nibble==ima_adpcm.loop_pos) {
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ima_adpcm.loop_step_index = ima_adpcm.step_index;
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ima_adpcm.loop_predictor = ima_adpcm.predictor;
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}
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}
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float v=ima_adpcm.predictor/32767.0;
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if (v>max[0])
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max[0]=v;
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if (v<min[0])
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min[0]=v;
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}
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for(int j=0;j<h;j++) {
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float v = (j/(float)h) * 2.0 - 1.0;
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uint8_t* imgofs = &imgw[(j*w+i)*3];
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if (v>min[0] && v<max[0]) {
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imgofs[0]=255;
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imgofs[1]=150;
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imgofs[2]=80;
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} else {
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imgofs[0]=0;
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imgofs[1]=0;
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imgofs[2]=0;
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}
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}
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}
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} else {
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for(int i=0;i<w;i++) {
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// i trust gcc will optimize this loop
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float max[2]={-1e10,-1e10};
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float min[2]={1e10,1e10};
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int c=stereo?2:1;
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int from = i*len/w;
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int to = (i+1)*len/w;
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if (to>=len)
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to=len-1;
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if (_16) {
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const int16_t*src =(const int16_t*)sdata;
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for(int j=0;j<c;j++) {
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for(int k=from;k<=to;k++) {
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float v = src[k*c+j]/32768.0;
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if (v>max[j])
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max[j]=v;
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if (v<min[j])
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min[j]=v;
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}
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}
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} else {
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const int8_t*src =(const int8_t*)sdata;
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for(int j=0;j<c;j++) {
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for(int k=from;k<=to;k++) {
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float v = src[k*c+j]/128.0;
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if (v>max[j])
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max[j]=v;
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if (v<min[j])
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min[j]=v;
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}
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}
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}
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if (!stereo) {
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for(int j=0;j<h;j++) {
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float v = (j/(float)h) * 2.0 - 1.0;
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uint8_t* imgofs = &imgw[(j*w+i)*3];
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if (v>min[0] && v<max[0]) {
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imgofs[0]=255;
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imgofs[1]=150;
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imgofs[2]=80;
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} else {
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imgofs[0]=0;
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imgofs[1]=0;
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imgofs[2]=0;
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}
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}
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} else {
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for(int j=0;j<h;j++) {
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int half,ofs;
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float v;
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if (j<(h/2)) {
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half=0;
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ofs=0;
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v = (j/(float)(h/2)) * 2.0 - 1.0;
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} else {
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half=1;
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ofs=h/2;
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v = ((j-(h/2))/(float)(h/2)) * 2.0 - 1.0;
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}
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uint8_t* imgofs = &imgw[(j*w+i)*3];
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if (v>min[half] && v<max[half]) {
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imgofs[0]=255;
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imgofs[1]=150;
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imgofs[2]=80;
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} else {
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imgofs[0]=0;
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imgofs[1]=0;
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imgofs[2]=0;
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}
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}
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}
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}
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}
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imgdata = DVector<uint8_t>::Write();
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p_texture->set_data(Image(w,h,0,Image::FORMAT_RGB,img));
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}
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void SampleEditor::_update_sample() {
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player->stop_all();
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if (sample->get_format()==Sample::FORMAT_IMA_ADPCM)
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return; //bye or unsupported
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generate_preview_texture(sample,peakdisplay);
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info_label->set_text("Length: "+itos(sample->get_length())+" frames ("+String::num(sample->get_length()/(float)sample->get_mix_rate(),2)+" s), "+(sample->get_format()==Sample::FORMAT_PCM16?"16 Bits, ":"8 bits, ")+(sample->is_stereo()?"Stereo.":"Mono."));
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library->add_sample("default",sample);
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}
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void SampleEditor::edit(Ref<Sample> p_sample) {
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sample=p_sample;
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if (!sample.is_null())
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_update_sample();
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else {
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hide();
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set_fixed_process(false);
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}
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}
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void SampleEditor::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_input_event"),&SampleEditor::_input_event);
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ObjectTypeDB::bind_method(_MD("_play_pressed"),&SampleEditor::_play_pressed);
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ObjectTypeDB::bind_method(_MD("_stop_pressed"),&SampleEditor::_stop_pressed);
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}
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SampleEditor::SampleEditor() {
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player = memnew(SamplePlayer);
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add_child(player);
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add_style_override("panel", get_stylebox("panel","Panel"));
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library = Ref<SampleLibrary>(memnew(SampleLibrary));
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player->set_sample_library(library);
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sample_texframe = memnew( TextureFrame );
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add_child(sample_texframe);
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sample_texframe->set_anchor_and_margin(MARGIN_LEFT,ANCHOR_BEGIN,5);
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sample_texframe->set_anchor_and_margin(MARGIN_RIGHT,ANCHOR_END,5);
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sample_texframe->set_anchor_and_margin(MARGIN_TOP,ANCHOR_BEGIN,30);
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sample_texframe->set_anchor_and_margin(MARGIN_BOTTOM,ANCHOR_END,5);
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info_label = memnew( Label );
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sample_texframe->add_child(info_label);
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info_label->set_area_as_parent_rect();
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info_label->set_anchor_and_margin(MARGIN_TOP,ANCHOR_END,15);
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info_label->set_margin(MARGIN_BOTTOM,4);
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info_label->set_margin(MARGIN_RIGHT,4);
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info_label->set_align(Label::ALIGN_RIGHT);
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play = memnew( Button );
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play->set_pos(Point2( 5, 5 ));
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play->set_size( Size2(1,1 ) );
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play->set_toggle_mode(true);
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add_child(play);
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stop = memnew( Button );
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stop->set_pos(Point2( 35, 5 ));
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stop->set_size( Size2(1,1 ) );
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stop->set_toggle_mode(true);
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add_child(stop);
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peakdisplay=Ref<ImageTexture>( memnew( ImageTexture) );
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peakdisplay->create( EDITOR_DEF("audio/sample_editor_preview_width",512),EDITOR_DEF("audio/sample_editor_preview_height",128),Image::FORMAT_RGB);
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sample_texframe->set_expand(true);
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sample_texframe->set_texture(peakdisplay);
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play->connect("pressed", this,"_play_pressed");
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stop->connect("pressed", this,"_stop_pressed");
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}
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void SampleEditorPlugin::edit(Object *p_object) {
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Sample * s = p_object->cast_to<Sample>();
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if (!s)
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return;
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sample_editor->edit(Ref<Sample>(s));
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}
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bool SampleEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("Sample");
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}
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void SampleEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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sample_editor->show();
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// sample_editor->set_process(true);
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} else {
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sample_editor->hide();
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// sample_editor->set_process(false);
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}
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}
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SampleEditorPlugin::SampleEditorPlugin(EditorNode *p_node) {
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editor=p_node;
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sample_editor = memnew( SampleEditor );
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editor->get_viewport()->add_child(sample_editor);
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sample_editor->set_area_as_parent_rect();
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sample_editor->set_anchor( MARGIN_TOP, Control::ANCHOR_END);
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sample_editor->set_margin( MARGIN_TOP, 120 );
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sample_editor->hide();
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}
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SampleEditorPlugin::~SampleEditorPlugin()
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{
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}
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