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add silent audio to slate

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This commit is contained in:
jrsndlr 2022-05-10 20:14:02 +02:00
parent fe514cf385
commit de31b8d1df
1 changed files with 47 additions and 27 deletions
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74
openpype/plugins/publish/extract_review_slate.py
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@ -1,5 +1,4 @@
import os
import shutil
import openpype.api
import pyblish
from openpype.lib import (
@ -11,6 +10,7 @@ from openpype.lib import (
get_ffmpeg_format_args,
)
class ExtractReviewSlate(openpype.api.Extractor):
"""
Will add slate frame at the start of the video files
@ -122,10 +122,14 @@ class ExtractReviewSlate(openpype.api.Extractor):
if stream["channel_layout"]:
audio_channel_layout = str(
stream.get("channel_layout"))
if stream["codec_name"]:
audio_codec = str(
stream.get("codec_name"))
if (
audio_channels
and audio_sample_rate
and audio_channel_layout
and audio_codec
):
input_audio = True
break
@ -200,16 +204,6 @@ class ExtractReviewSlate(openpype.api.Extractor):
input_args.append("-loop 1 -i {}".format(
openpype.lib.path_to_subprocess_arg(slate_path)))
# if input has an audio, add silent audio to the slate
if input_audio:
input_args.extend(
["-f lavfi -i anullsrc=r={}:cl={}:d={}".format(
audio_sample_rate,
audio_channel_layout,
one_frame_duration
)]
)
input_args.extend(["-r {}".format(input_frame_rate)])
input_args.extend(["-frames:v 1"])
# add timecode from source to the slate, substract one frame
@ -314,6 +308,41 @@ class ExtractReviewSlate(openpype.api.Extractor):
slate_subprocess_cmd, shell=True, logger=self.log
)
# Create slate with silent audio track
if input_audio:
# silent slate output path
slate_silent_path = slate_path.replace(".png", "Silent" + ext)
_remove_at_end.append(slate_silent_path)
slate_silent_args = [
ffmpeg_path,
"-i", slate_v_path,
"-f", "lavfi", "-i",
"anullsrc=r={}:cl={}:d={}".format(
audio_sample_rate,
audio_channel_layout,
one_frame_duration
),
"-c:v", "copy",
"-c:a", audio_codec,
"-map", "0:v",
"-map", "1:a",
"-shortest",
"-y",
slate_silent_path
]
slate_silent_subprocess_cmd = " ".join(slate_silent_args)
# run slate generation subprocess
self.log.debug(
"Silent Slate Executing: {}".format(slate_silent_subprocess_cmd)
)
openpype.api.run_subprocess(
slate_silent_subprocess_cmd, shell=True, logger=self.log
)
# replace slate with silent slate for concat
slate_v_path = slate_silent_path
# create ffmpeg concat text file path
conc_text_file = input_file.replace(ext, "") + "_concat" + ".txt"
conc_text_path = os.path.join(
@ -361,21 +390,13 @@ class ExtractReviewSlate(openpype.api.Extractor):
# add final output path
concat_args.append(output_path)
if not input_audio:
# ffmpeg concat subprocess
self.log.debug(
"Executing concat: {}".format(" ".join(concat_args))
)
openpype.api.run_subprocess(
concat_args, logger=self.log
)
else:
self.log.warning(
"Audio found. Creating slate with audio"
" is not supported at this time. Outputing slate-less"
":\n{}".format(input_file))
# skip concatenating slate, use slate-less file instead
shutil.copyfile(input_path, output_path)
# ffmpeg concat subprocess
self.log.debug(
"Executing concat: {}".format(" ".join(concat_args))
)
openpype.api.run_subprocess(
concat_args, logger=self.log
)
self.log.debug("__ repre[tags]: {}".format(repre["tags"]))
repre_update = {
@ -438,7 +459,6 @@ class ExtractReviewSlate(openpype.api.Extractor):
return vf_back
def _get_format_codec_args(self, repre):
"""Detect possible codec arguments from representation."""
codec_args = []