waveform

sequencer_utils.py

@@ -9,7 +9,9 @@ from bpy.app.handlers import persistent
 
 from vse_toolbox.bl_utils import get_scene_settings, get_strip_settings
 from vse_toolbox.constants import SOUND_SUFFIXES
-import multiprocessing
+#import multiprocessing
+#from multiprocessing.pool import ThreadPool
+import subprocess
 
 
 def new_text_strip(name='Text', channel=0, start=0, end=50, text='Text', font_size=48,
@@ -131,18 +133,69 @@ def get_strip_render_path(strip, template):
     render_path = template.format(strip_name=strip.name, ext=suffix[1:])
     return Path(os.path.abspath(bpy.path.abspath(render_path)))
 
-def render_strips(strips, template):
-    scn = bpy.context.scene
-    scene_start = scn.frame_start
-    scene_end = scn.frame_end
-    render_path = scn.render.filepath
+'''
+# def render_strip_background(blender_path, filepath, start, end, output):
+#     cmd = [
+#         blender_path, '-b', '--factory-startup', str(tmp_path), '-a',
+#         '-s', str(start), '-e', str(end), 
+#         '-o', str(output)
+#     ]
 
-    # pool = multiprocessing.Pool(4)
-    # p.map(func, range(1, 100))
+#     print(cmd)
+#     process = subprocess.call(cmd)
+
+def render_strips(strips, template):
+    from functools import partial
+    scn = bpy.context.scene
+    # scene_start = scn.frame_start
+    # scene_end = scn.frame_end
+    # render_path = scn.render.filepath
+
+    tmp_name = Path(bpy.data.filepath).name if bpy.data.filepath else 'Untitled.blend'
+    tmp_path = Path(bpy.app.tempdir, tmp_name)
+
+    bpy.ops.wm.save_as_mainfile(filepath=str(tmp_path), copy=True)
+
+
+    script_code = dedent(f"""
+        import bpy
+
+        for 
+
+        """)
+
+    script_path = Path(bpy.app.tempdir) / 'bundle_library.py'
+    script_path.write_text(script_code)
+
+    cmd = [bpy.app.binary_path, tmp_path, '--python', ]
+
+    # nb_threads = min(multiprocessing.cpu_count()-2, 8)
+    # print(nb_threads)
+
+    # pool = multiprocessing.Pool(nb_threads)
+    
+    #arguments = [(bpy.app.binary_path, str(tmp_path), s.frame_final_start, s.frame_final_end-1, str(get_strip_render_path(s, template))) for s in strips]
+    #print(arguments)
+    #pool.starmap(render_strip_background, arguments)
 
     # def render_strip_background(index):
     #     cmd = [bpy.app.binary_path, etc]
-    #     process = subprocess.Popen(substr + " --index {}".format(index), shell=True, stdout=subprocess.PIPE)
+    #     process = subprocess.Popen(cmd)
+
+    # pool = ThreadPool(nb_threads)
+
+    # for strip in strips:
+    #     start = strip.frame_final_start
+    #     end = strip.frame_final_end-1
+    #     output = str(get_strip_render_path(strip, template))
+
+    #     cmd = [
+    #         bpy.app.binary_path, '-b', str(tmp_path),
+    #         '-s', str(start), '-e', str(end), '-a',
+    #         '-o', str(output)
+    #     ]
+
+
 
 
     for strip in strips:
@@ -161,6 +214,25 @@ def render_strips(strips, template):
         bpy.ops.render.opengl(animation=True, sequencer=True)
     
             
+    scn.frame_start = scene_start
+    scn.frame_end = scene_end
+    scn.render.filepath = render_path
+'''
+
+def render_strips(strips, template):
+    scn = bpy.context.scene
+    scene_start = scn.frame_start
+    scene_end = scn.frame_end
+    render_path = scn.render.filepath
+
+    for strip in strips:
+        scn.frame_start = strip.frame_final_start
+        scn.frame_end = strip.frame_final_end - 1
+        scn.render.filepath = str(get_strip_render_path(strip, template))
+
+        print(f'Render Strip to {scn.render.filepath}')
+        bpy.ops.render.opengl(animation=True, sequencer=True)
+            
     scn.frame_start = scene_start
     scn.frame_end = scene_end
     scn.render.filepath = render_path
@@ -278,7 +350,8 @@ def import_sound(filepath):
     if bpy.data.is_saved:
         strip.sound.filepath = bpy.path.relpath(str(filepath))
 
-    strip.show_waveform = True
+    strip.show_waveform = True if strip.frame_final_duration < 10000 else False
+
     return strip
 
 def clean_sequencer(edit=False, movie=False, sound=False):