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# gpl: authors Carlos Padial, Turi Scandurra
import bpy
import os
from bpy.types import (
Operator,
Panel,
)
import subprocess
from . import functions
proxy_qualities = [
("1", "25%", ""), ("2", "50%", ""),
("3", "75%", ""), ("4", "100%", "")]
#
# ls *.sh | parallel -j 8 sh {}
#
# functions
def createsyncfile(filename):
if not os.path.isfile(bpy.path.abspath(filename)):
f = open(bpy.path.abspath(filename), "w")
data = []
try:
f.writelines(data) # Write a sequence of strings to a file
finally:
f.close()
def readsyncfile(filename):
try:
file = open(bpy.path.abspath(filename))
data = file.readlines()
file.close()
return data
except IOError:
pass
def writesyncfile(filename, data):
try:
f = open(bpy.path.abspath(filename), "w")
try:
for line in data:
f.writelines(line) # Write a sequence of strings to a file
finally:
f.close()
except IOError:
pass
# classes
class ExtractWavOperator(Operator):
bl_idname = "sequencer.extract_wav_operator"
bl_label = "Extract Wav from movie strip Operator"
bl_description = "Use ffmpeg to extract audio from video and import it synced"
@staticmethod
def has_sequencer(context):
return (context.space_data.view_type in
{'SEQUENCER', 'SEQUENCER_PREVIEW'})
@classmethod
def poll(self, context):
strip = functions.act_strip(context)
scn = context.scene
if scn and scn.sequence_editor and scn.sequence_editor.active_strip:
return strip.type in ('MOVIE')
else:
return False
def execute(self, context):
preferences = context.user_preferences
audio_dir = preferences.addons[__package__].preferences.audio_dir
functions.create_folder(bpy.path.abspath(audio_dir))
for strip in context.selected_editable_sequences:
# get filename
if strip.type == "MOVIE":
filename = bpy.path.abspath(strip.filepath)
newfilename = bpy.path.abspath(strip.filepath).rpartition(
"/")[2]
fileoutput = os.path.join(
bpy.path.abspath(audio_dir),
newfilename) + ".wav"
# check for wav existing file
if not os.path.isfile(fileoutput):
# if not, extract the file
extract_audio = "ffmpeg -i '{}' -acodec pcm_s16le -ac 2 {}".\
format(filename, fileoutput)
print(extract_audio)
os.system(extract_audio)
else:
print("The audio File exists")
if strip.type == "MOVIE":
# import the file and trim in the same way the original
bpy.ops.sequencer.sound_strip_add(
filepath=fileoutput,
frame_start=strip.frame_start,
channel=strip.channel + 1,
replace_sel=True, overlap=False,
cache=False
)
# Update scene
context.scene.update()
newstrip = context.scene.sequence_editor.active_strip
# deselect all other strips
for i in context.selected_editable_sequences:
if i.name != newstrip.name:
i.select = False
# Update scene
context.scene.update()
# Match the original clip's length
newstrip.frame_start = strip.frame_start - strip.animation_offset_start
functions.triminout(newstrip,
strip.frame_start + strip.frame_offset_start,
strip.frame_start + strip.frame_offset_start +
strip.frame_final_duration)
return {'FINISHED'}
class ExternalAudioSetSyncOperator(Operator):
bl_idname = "sequencer.external_audio_set_sync"
bl_label = "set sync info"
bl_description = ("Get sync info from selected audio and video strip "
"and store it into a text file")
@staticmethod
def has_sequencer(context):
return (context.space_data.view_type in
{'SEQUENCER', 'SEQUENCER_PREVIEW'})
@classmethod
def poll(cls, context):
if cls.has_sequencer(context):
if len(context.selected_editable_sequences) == 2:
types = []
for i in context.selected_editable_sequences:
types.append(i.type)
if 'MOVIE' and 'SOUND' in types:
return True
else:
return False
def execute(self, context):
preferences = context.user_preferences
filename = preferences.addons[__package__].preferences.audio_external_filename
for strip in context.selected_editable_sequences:
if strip.type == "MOVIE":
moviestrip = strip
elif strip.type == "SOUND":
soundstrip = strip
offset = str(moviestrip.frame_start - soundstrip.frame_start)
data1 = readsyncfile(filename)
data2 = []
newline = moviestrip.filepath + " " + soundstrip.filepath + " " + offset + "\n"
if data1 is not None:
repeated = False
for line in data1:
if line.split()[0] == moviestrip.filepath and line.split()[1] == soundstrip.filepath:
data2.append(newline)
repeated = True
else:
data2.append(line)
if not repeated:
data2.append(newline)
else:
data2.append(newline)
createsyncfile(filename)
writesyncfile(filename, data2)
return {'FINISHED'}
class ExternalAudioReloadOperator(Operator):
bl_idname = "sequencer.external_audio_reload"
bl_label = "Reload External audio"
bl_description = ("Reload external audio synced to selected movie strip "
"acording to info from a text file")
@staticmethod
def has_sequencer(context):
return (context.space_data.view_type in
{'SEQUENCER', 'SEQUENCER_PREVIEW'})
@classmethod
def poll(cls, context):
if cls.has_sequencer(context):
if len(context.selected_editable_sequences) == 1:
if context.selected_editable_sequences[0].type == 'MOVIE':
return True
else:
return False
def execute(self, context):
preferences = context.user_preferences
filename = preferences.addons[__package__].preferences.audio_external_filename
data = readsyncfile(filename)
for strip in context.selected_editable_sequences:
sounds = []
for line in data:
if line.split()[0] == strip.filepath:
moviefile = bpy.path.abspath(line.split()[0])
soundfile = bpy.path.abspath(line.split()[1])
offset = int(line.split()[2])
sounds.append((soundfile, offset))
for soundfile, offset in sounds:
print(soundfile, offset)
print(strip.filepath)
# find start frame for sound strip (using offset from file)
sound_frame_start = strip.frame_start - strip.animation_offset_start - offset
# import the file and trim in the same way the original
bpy.ops.sequencer.sound_strip_add(
filepath=soundfile,
frame_start=sound_frame_start,
channel=strip.channel + 1,
replace_sel=True, overlap=False,
cache=False
)
# Update scene
context.scene.update()
newstrip = context.scene.sequence_editor.active_strip
# deselect all other strips
for i in context.selected_editable_sequences:
if i.name != newstrip.name:
i.select = False
# Update scene
context.scene.update()
# trim sound strip like original one
functions.triminout(newstrip,
strip.frame_start + strip.frame_offset_start,
strip.frame_start + strip.frame_offset_start +
strip.frame_final_duration
)
return {'FINISHED'}
class AudioToolPanel(Panel):
bl_label = "Audio Tools"
bl_idname = "OBJECT_PT_AudioTool"
bl_space_type = 'SEQUENCE_EDITOR'
bl_region_type = 'UI'
@classmethod
def poll(self, context):
if context.space_data.view_type in {'SEQUENCER', 'SEQUENCER_PREVIEW'}:
scn = context.scene
preferences = context.user_preferences
prefs = preferences.addons[__package__].preferences
if scn and scn.sequence_editor and scn.sequence_editor.active_strip:
if prefs.use_audio_tools:
return True
else:
return False
def draw_header(self, context):
layout = self.layout
layout.label(text="", icon="PLAY_AUDIO")
def draw(self, context):
preferences = context.user_preferences
prefs = preferences.addons[__package__].preferences
strip = functions.act_strip(context)
if strip.type == "MOVIE":
layout = self.layout
layout.prop(prefs, "audio_dir", text="Path for Audio files")
layout.operator("sequencer.extract_wav_operator", text="Extract Wav")
layout = self.layout
layout.prop(prefs, "audio_scripts")
if prefs.audio_scripts:
layout = self.layout
layout.prop(prefs, "audio_scripts_path", text="Path for scripts")
layout = self.layout
layout.prop(prefs, "audio_use_external_links", text="External Audio sync")
if prefs.audio_use_external_links:
layout = self.layout
layout.prop(prefs, "audio_external_filename", text="Sync data")
row = layout.row(align=True)
row.operator("sequencer.external_audio_set_sync", text="Set sync")
row.operator("sequencer.external_audio_reload", text="Reload Audio")
layout = self.layout
row = layout.row()
row.prop(prefs, "metertype", text="")
row.operator("sequencer.openmeterbridge",
text="Launch Audio Meter", icon="SOUND")
class OpenMeterbridgeOperator(Operator):
bl_idname = "sequencer.openmeterbridge"
bl_label = "External VU meter"
bl_description = "Open external VU meter to work with Jack"
@staticmethod
def has_sequencer(context):
return (context.space_data.view_type in {'SEQUENCER', 'SEQUENCER_PREVIEW'})
@classmethod
def poll(cls, context):
if cls.has_sequencer(context):
if len(context.selected_editable_sequences) == 1:
return True
def execute(self, context):
preferences = context.user_preferences
prefs = preferences.addons[__package__].preferences
command = "meterbridge -t {} 'PulseAudio JACK Sink:front-left' " \
"'PulseAudio JACK Sink:front-right' &".format(prefs.metertype.lower())
p = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
return {'FINISHED'}
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