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ffx/bin/ffx/test/helper.py

278 lines
9.9 KiB
Python

import os, math, tempfile, click
from ffx.ffx_controller import FfxController
from ffx.process import executeProcess
from ffx.media_descriptor import MediaDescriptor
from ffx.track_type import TrackType
from ffx.helper import dictCache
SHORT_SUBTITLE_SEQUENCE = [{'start': 1, 'end': 2, 'text': 'yolo'},
{'start': 3, 'end': 4, 'text': 'zolo'},
{'start': 5, 'end': 6, 'text': 'golo'}]
def getTimeString(hours: float = 0.0,
minutes: float = 0.0,
seconds: float = 0.0,
millis: float = 0.0,
format: str = ''):
duration = (hours * 3600.0
+ minutes * 60.0
+ seconds
+ millis / 1000.0)
hours = math.floor(duration / 3600.0)
remaining = duration - 3600.0 * hours
minutes = math.floor(remaining / 60.0)
remaining = remaining - 60.0 * minutes
seconds = math.floor(remaining)
remaining = remaining - seconds
millis = math.floor(remaining * 1000)
if format == 'ass':
return f"{hours:01d}:{minutes:02d}:{seconds:02d}.{millis:02d}"
# srt & vtt
return f"{hours:02d}:{minutes:02d}:{seconds:02d}.{millis:03d}"
def createAssFile(entries: dict, directory = None):
# [Script Info]
# ; Script generated by FFmpeg/Lavc61.3.100
# ScriptType: v4.00+
# PlayResX: 384
# PlayResY: 288
# ScaledBorderAndShadow: yes
# YCbCr Matrix: None
#
# [V4+ Styles]
# Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
# Style: Default,Arial,16,&Hffffff,&Hffffff,&H0,&H0,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
#
# [Events]
# Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
# Dialogue: 0,0:00:01.00,0:00:02.00,Default,,0,0,0,,yolo
# Dialogue: 0,0:00:03.00,0:00:04.00,Default,,0,0,0,,zolo
# Dialogue: 0,0:00:05.00,0:00:06.00,Default,,0,0,0,,golo
tmpFileName = tempfile.mktemp(suffix=".ass", dir = directory)
with open(tmpFileName, 'w') as tmpFile:
tmpFile.write("[Script Info]\n")
tmpFile.write("; Script generated by Ffx\n")
tmpFile.write("ScriptType: v4.00+\n")
tmpFile.write("PlayResX: 384\n")
tmpFile.write("PlayResY: 288\n")
tmpFile.write("ScaledBorderAndShadow: yes\n")
tmpFile.write("YCbCr Matrix: None\n")
tmpFile.write("\n")
tmpFile.write("[V4+ Styles]\n")
tmpFile.write("Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding\n")
tmpFile.write("Style: Default,Arial,16,&Hffffff,&Hffffff,&H0,&H0,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1\n")
tmpFile.write("\n")
tmpFile.write("[Events]\n")
tmpFile.write("Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text\n")
for entryIndex in range(len(entries)):
tmpFile.write(f"Dialogue: 0,{getTimeString(seconds=entries[entryIndex]['start'], format='ass')},{getTimeString(seconds=entries[entryIndex]['end'], format='ass')},Default,,0,0,0,,{entries[entryIndex]['text']}\n")
return tmpFileName
def createSrtFile(entries: dict, directory = None):
# 1
# 00:00:00,000 --> 00:00:02,500
# Welcome to the Example Subtitle File!
#
# 2
# 00:00:03,000 --> 00:00:06,000
# This is a demonstration of SRT subtitles.
#
# 3
# 00:00:07,000 --> 00:00:10,500
# You can use SRT files to add subtitles to your videos.
tmpFileName = tempfile.mktemp(suffix=".srt", dir = directory)
with open(tmpFileName, 'w') as tmpFile:
for entryIndex in range(len(entries)):
tmpFile.write(f"{entryIndex}\n")
tmpFile.write(f"{getTimeString(seconds=entries[entryIndex]['start'])} --> {getTimeString(seconds=entries[entryIndex]['end'])}\n")
tmpFile.write(f"{entries[entryIndex]['text']}\n\n")
return tmpFileName
def createVttFile(entries: dict, directory = None):
# WEBVTT
#
# 01:20:33.050 --> 01:20:35.050
# Yolo
tmpFileName = tempfile.mktemp(suffix=".vtt", dir = directory)
with open(tmpFileName, 'w') as tmpFile:
tmpFile.write("WEBVTT\n")
for entryIndex in range(len(entries)):
tmpFile.write("\n")
tmpFile.write(f"{getTimeString(seconds=entries[entryIndex]['start'])} --> {getTimeString(seconds=entries[entryIndex]['end'])}\n")
tmpFile.write(f"{entries[entryIndex]['text']}\n")
return tmpFileName
def createMediaTestFile(mediaDescriptor: MediaDescriptor,
directory: str = '',
baseName: str = 'media',
format: str = '',
extension: str = 'mkv',
sizeX: int = 1280,
sizeY: int = 720,
rate: int = 25,
length: int = 10,
logger = None):
# subtitleFilePath = createVttFile(SHORT_SUBTITLE_SEQUENCE)
# commandTokens = FfxController.COMMAND_TOKENS
commandTokens = ['ffmpeg', '-y']
generatorCache = []
generatorTokens = []
mappingTokens = []
importTokens = []
metadataTokens = []
for mediaTagKey, mediaTagValue in mediaDescriptor.getTags().items():
metadataTokens += ['-metadata:g', f"{mediaTagKey}={mediaTagValue}"]
subIndexCounter = {}
for trackDescriptor in mediaDescriptor.getAllTrackDescriptors():
trackType = trackDescriptor.getType()
if trackType == TrackType.VIDEO:
cacheIndex, generatorCache = dictCache({'type': TrackType.VIDEO}, generatorCache)
# click.echo(f"createMediaTestFile() cache index={cacheIndex} size={len(generatorCache)}")
if cacheIndex == -1:
generatorTokens += ['-f',
'lavfi',
'-i',
f"color=size={sizeX}x{sizeY}:rate={rate}:color=black"]
sourceIndex = len(generatorCache) - 1 if cacheIndex == -1 else cacheIndex
mappingTokens += ['-map', f"{sourceIndex}:v:0"]
if not trackType in subIndexCounter.keys():
subIndexCounter[trackType] = 0
for mediaTagKey, mediaTagValue in trackDescriptor.getTags().items():
metadataTokens += [f"-metadata:s:{trackType.indicator()}:{subIndexCounter[trackType]}",
f"{mediaTagKey}={mediaTagValue}"]
subIndexCounter[trackType] += 1
if trackType == TrackType.AUDIO:
audioLayout = 'stereo'
cacheIndex, generatorCache = dictCache({'type': TrackType.AUDIO, 'layout': audioLayout}, generatorCache)
# click.echo(f"createMediaTestFile() cache index={cacheIndex} size={len(generatorCache)}")
# click.echo(f"generartorCache index={cacheIndex} len={len(generatorCache)}")
if cacheIndex == -1:
generatorTokens += ['-f',
'lavfi',
'-i',
f"anullsrc=channel_layout={audioLayout}:sample_rate=44100"]
sourceIndex = len(generatorCache) - 1 if cacheIndex == -1 else cacheIndex
mappingTokens += ['-map', f"{sourceIndex}:a:0"]
if not trackType in subIndexCounter.keys():
subIndexCounter[trackType] = 0
for mediaTagKey, mediaTagValue in trackDescriptor.getTags().items():
metadataTokens += [f"-metadata:s:{trackType.indicator()}:{subIndexCounter[trackType]}",
f"{mediaTagKey}={mediaTagValue}"]
subIndexCounter[trackType] += 1
if trackType == TrackType.SUBTITLE:
cacheIndex, generatorCache = dictCache({'type': TrackType.SUBTITLE}, generatorCache)
# click.echo(f"createMediaTestFile() cache index={cacheIndex} size={len(generatorCache)}")
if cacheIndex == -1:
importTokens = ['-i', createVttFile(SHORT_SUBTITLE_SEQUENCE, directory=directory if directory else None)]
sourceIndex = len(generatorCache) - 1 if cacheIndex == -1 else cacheIndex
mappingTokens += ['-map', f"{sourceIndex}:s:0"]
if not trackType in subIndexCounter.keys():
subIndexCounter[trackType] = 0
for mediaTagKey, mediaTagValue in trackDescriptor.getTags().items():
metadataTokens += [f"-metadata:s:{trackType.indicator()}:{subIndexCounter[trackType]}",
f"{mediaTagKey}={mediaTagValue}"]
subIndexCounter[trackType] += 1
ffxContext = {'logger': logger}
fc = FfxController(ffxContext, mediaDescriptor)
commandTokens += (generatorTokens
+ importTokens
+ mappingTokens
+ metadataTokens
+ fc.generateDispositionTokens())
commandTokens += ['-t', str(length)]
if format:
commandTokens += ['-f', format]
fileName = f"{baseName}.{extension}"
if directory:
outputPath = os.path.join(directory, fileName)
else:
outputPath = fileName
commandTokens += [outputPath]
if not logger is None:
logger.debug(f"createMediaTestFile(): Command sequence: {commandTokens}")
out, err, rc = executeProcess(commandTokens)
if not logger is None:
if out:
logger.debug(f"createMediaTestFile(): Process output: {out}")
if rc:
logger.debug(f"createMediaTestFile(): Process returned ERROR {rc} ({err})")
return outputPath
def createEmptyDirectory():
return tempfile.mkdtemp()
def createEmptyFile(suffix=None):
return tempfile.mkstemp(suffix=suffix)