Add more midi signals, trying to reduce delay

README.md

@@ -38,7 +38,7 @@ https://www.bilibili.com/video/BV1D8411x78X
 
 ### 运行方式：
 
-安装pygame, mido等相关库，执行virtual_piano.py；virtual_piano_exe中包含pyinstaller生成的可执行文件，可直接运行
+安装pygame, mido等相关库，执行virtual_piano.py或virtual_piano_mt.py（针对多线程实现midi输入做了一些改进）
 
 ### global_settings.ini中的相关设置：
 

Update.txt

@@ -6,4 +6,7 @@
 5. global_settings.ini加入瀑布流偏移量设置
 6. 优化琴键间距、瀑布流间距（主要为手机端考虑）
 7. 琴键上方增加（渐变）灯条效果
-8. 增加琴键白色灯光效果
+8. 增加琴键白色灯光效果
+
+# 20221122
+1.增加单次读取midi信息数量，（或许可以）降低一点延迟？

global_settings.ini

@@ -112,7 +112,7 @@ bkg_offset_y = 0
 piano_key_offset = 0
 [MusicScoreOffset]
 music_score_offset_x = 0
-music_score_offset_y = -55
+music_score_offset_y = -39
 [TimeDelta]
 time_delta = 2.07983193277311
 [RootDelta]

virtual_piano.py

@@ -758,44 +758,45 @@ def input_midi():
             break
         if if_exit == 1:
             break
-        c = midi1.read(1)
-        if len(c) > 0:
-            if c[0][0][0] == 144:
-                if sustain == 1:
-                    if c[0][0][1] in on_sustain:
-                        on_sustain.remove(c[0][0][1])
-                        if midi2 != 'Unable':
-                            midi2.note_off(c[0][0][1])
-                if midi2 != 'Unable':
-                    midi2.note_on(c[0][0][1], c[0][0][2])
-                notes_count[(c[0][0][1] - 21) % 12] += 1
-                all_note_size += 1
-                key_note.append(c[0][0][1] - 21)
-                if mode_id == 0 or mode_id == 2:
-                    waterfalls[c[0][0][1] - 21].append([0, 0, 0, get_wf_color(c[0][0][1] - 21)])
-            elif c[0][0][0] == 128:
-                if sustain == 0:
+        c_all = midi1.read(10)
+        if len(c_all) > 0:
+            for c in c_all:
+                if c[0][0] == 144:
+                    if sustain == 1:
+                        if c[0][1] in on_sustain:
+                            on_sustain.remove(c[0][1])
+                            if midi2 != 'Unable':
+                                midi2.note_off(c[0][1])
                     if midi2 != 'Unable':
-                        midi2.note_off(c[0][0][1])
-                elif sustain == 1:
-                    on_sustain.append(c[0][0][1])
-                if len(key_note) > 0:
-                    key_note.remove(c[0][0][1] - 21)
-                    if (mode_id == 0 or mode_id == 2) and len(waterfalls[c[0][0][1] - 21]) - 1 >= 0:
-                        waterfalls[c[0][0][1] - 21][len(waterfalls[c[0][0][1] - 21]) - 1][0] = 1
-            elif c[0][0][0] == 176:
-                if c[0][0][1] == 64:
-                    if c[0][0][2] == 127:
-                        sustain = 1
-                        sustain_state = font2.render('√', True, sustain_text_color)
-                    elif c[0][0][2] == 0:
-                        sustain = 0
-                        sustain_state = font2.render('×', True, sustain_text_color)
-                        for y in on_sustain:
-                            if (y - 21) not in key_note:
-                                if midi2 != 'Unable':
-                                    midi2.note_off(y)
-                        on_sustain = []
+                        midi2.note_on(c[0][1], c[0][2])
+                    notes_count[(c[0][1] - 21) % 12] += 1
+                    all_note_size += 1
+                    key_note.append(c[0][1] - 21)
+                    if mode_id == 0 or mode_id == 2:
+                        waterfalls[c[0][1] - 21].append([0, 0, 0, get_wf_color(c[0][1] - 21)])
+                elif c[0][0] == 128:
+                    if sustain == 0:
+                        if midi2 != 'Unable':
+                            midi2.note_off(c[0][1])
+                    elif sustain == 1:
+                        on_sustain.append(c[0][1])
+                    if len(key_note) > 0:
+                        key_note.remove(c[0][1] - 21)
+                        if (mode_id == 0 or mode_id == 2) and len(waterfalls[c[0][1] - 21]) - 1 >= 0:
+                            waterfalls[c[0][1] - 21][len(waterfalls[c[0][1] - 21]) - 1][0] = 1
+                elif c[0][0] == 176:
+                    if c[0][1] == 64:
+                        if c[0][2] == 127:
+                            sustain = 1
+                            sustain_state = font2.render('√', True, sustain_text_color)
+                        elif c[0][2] == 0:
+                            sustain = 0
+                            sustain_state = font2.render('×', True, sustain_text_color)
+                            for y in on_sustain:
+                                if (y - 21) not in key_note:
+                                    if midi2 != 'Unable':
+                                        midi2.note_off(y)
+                            on_sustain = []
         time.sleep(0.001)