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format content (#198)

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This commit is contained in:
Markos Gogoulos
2021-05-26 18:35:21 +03:00
committed by GitHub
parent 2d49b1df29
commit 6df942ac4e
39 changed files with 420 additions and 962 deletions
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42
files/helpers.py
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@@ -1,19 +1,19 @@
# Kudos to Werner Robitza, AVEQ GmbH, for helping with ffmpeg
# related content
import os
import math
import shutil
import tempfile
import random
import hashlib
import subprocess
import json
import math
import os
import random
import shutil
import subprocess
import tempfile
from fractions import Fraction
import filetype
from django.conf import settings
CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
CRF_ENCODING_NUM_SECONDS = 2 # 0 * 60 # videos with greater duration will get
@@ -168,9 +168,7 @@ def rm_dir(directory):
def url_from_path(filename):
# TODO: find a way to preserver http - https ...
return "{0}{1}".format(
settings.MEDIA_URL, filename.replace(settings.MEDIA_ROOT, "")
)
return "{0}{1}".format(settings.MEDIA_URL, filename.replace(settings.MEDIA_ROOT, ""))
def create_temp_file(suffix=None, dir=settings.TEMP_DIRECTORY):
@@ -210,9 +208,7 @@ def run_command(cmd, cwd=None):
cmd = cmd.split()
ret = {}
if cwd:
process = subprocess.Popen(
cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=cwd
)
process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=cwd)
else:
process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
@@ -331,9 +327,7 @@ def media_file_info(input_file):
except ValueError:
hms, msec = duration_str.split(",")
total_dur = sum(
int(x) * 60 ** i for i, x in enumerate(reversed(hms.split(":")))
)
total_dur = sum(int(x) * 60 ** i for i, x in enumerate(reversed(hms.split(":"))))
video_duration = total_dur + float("0." + msec)
else:
# fallback to format, eg for webm
@@ -370,7 +364,7 @@ def media_file_info(input_file):
input_file,
]
stdout = run_command(cmd).get("out")
stream_size = sum([int(l) for l in stdout.split("\n") if l != ""])
stream_size = sum([int(line) for line in stdout.split("\n") if line != ""])
video_bitrate = round((stream_size * 8 / 1024.0) / video_duration, 2)
ret = {
@@ -396,9 +390,7 @@ def media_file_info(input_file):
hms, msec = duration_str.split(".")
except ValueError:
hms, msec = duration_str.split(",")
total_dur = sum(
int(x) * 60 ** i for i, x in enumerate(reversed(hms.split(":")))
)
total_dur = sum(int(x) * 60 ** i for i, x in enumerate(reversed(hms.split(":"))))
audio_duration = total_dur + float("0." + msec)
else:
# fallback to format, eg for webm
@@ -432,7 +424,7 @@ def media_file_info(input_file):
input_file,
]
stdout = run_command(cmd).get("out")
stream_size = sum([int(l) for l in stdout.split("\n") if l != ""])
stream_size = sum([int(line) for line in stdout.split("\n") if line != ""])
audio_bitrate = round((stream_size * 8 / 1024.0) / audio_duration, 2)
ret.update(
@@ -660,9 +652,7 @@ def get_base_ffmpeg_command(
return cmd
def produce_ffmpeg_commands(
media_file, media_info, resolution, codec, output_filename, pass_file, chunk=False
):
def produce_ffmpeg_commands(media_file, media_info, resolution, codec, output_filename, pass_file, chunk=False):
try:
media_info = json.loads(media_info)
except BaseException:
@@ -699,9 +689,7 @@ def produce_ffmpeg_commands(
# else:
# adjust the target frame rate if the input is fractional
target_fps = (
src_framerate if isinstance(src_framerate, int) else math.ceil(src_framerate)
)
target_fps = src_framerate if isinstance(src_framerate, int) else math.ceil(src_framerate)
if media_info.get("video_duration") > CRF_ENCODING_NUM_SECONDS:
enc_type = "crf"