def delete_thumb(self, media_data_obj):
"""Called by self.tidy_directory().
Checks all child videos of the specified media data object. If the
associated thumbnail file exists, delete it.
Args:
media_data_obj (media.Channel, media.Playlist or media.Folder):
The media data object whose directory must be tidied up
"""
if DEBUG_FUNC_FLAG:
utils.debug_time('top 937 delete_thumb')
for video_obj in media_data_obj.compile_all_videos( [] ):
if video_obj.file_name is not None:
# Thumbnails might be in one of two locations
thumb_path = utils.find_thumbnail(self.app_obj, video_obj)
# If the video's parent container has an alternative download
# destination set, we must check the corresponding media
# data object. If the latter also has a media.Video object
# matching this video, then this function returns None and
# nothing is deleted
if thumb_path is not None:
thumb_path = self.check_video_in_actual_dir(
media_data_obj,
video_obj,
thumb_path,
)
if thumb_path is not None \
and os.path.isfile(thumb_path):
# Delete the thumbnail file
os.remove(thumb_path)
self.thumb_deleted_count += 1
def process_video(self, video_obj):
"""Called by self.run().
Sends a single video to FFmpeg for post-processing.
Args:
video_obj (media.Video): The video to be sent to FFmpeg
"""
self.job_count += 1
# Update our progress in the Output Tab
self.app_obj.main_win_obj.output_tab_write_stdout(
1,
_('Video') + ' ' + str(self.job_count) + '/' \
+ str(self.job_total) + ': ' + video_obj.name,
)
# mainwin.MainWin.on_video_catalogue_process_ffmpeg_multi() should have
# filtered any media.Video objects whose .file_name is unknown, but
# just in case, check again
# (Special case: 'dummy' video objects (those downloaded in the Classic
# Mode tab) use different IVs)
if video_obj.file_name is None \
and (not video_obj.dummy_flag or video_obj.dummy_path is None):
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('FAILED: File name is not known'),
)
self.fail_count += 1
return
# Get the source/output files, ahd the FFmpeg system command (as a
# list)
source_path, output_path, cmd_list = self.options_obj.get_system_cmd(
self.app_obj,
video_obj,
)
if source_path is None:
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('FAILED: File not found'),
)
self.fail_count += 1
return
# Update the main window's progress bar
GObject.timeout_add(
0,
self.app_obj.main_win_obj.update_progress_bar,
video_obj.name,
self.job_count,
self.job_total,
)
# Update the Output Tab again
self.app_obj.main_win_obj.output_tab_write_system_cmd(
1,
' '.join(cmd_list),
)
# Process the video
success_flag, msg \
= self.app_obj.ffmpeg_manager_obj.run_ffmpeg_with_options(
video_obj,
source_path,
cmd_list,
)
if not success_flag:
self.fail_count += 1
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('FAILED:') + ' ' + msg,
)
else:
self.success_count += 1
self.app_obj.main_win_obj.output_tab_write_stdout(
1,
_('Output file:') + ' ' + output_path,
)
# Delete the original video file, if required
if self.options_obj.options_dict['delete_original_flag'] \
and os.path.isfile(source_path) \
and os.path.isfile(output_path) \
and source_path != output_path:
try:
os.remove(source_path)
except:
self.fail_count += 1
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('Could not delete the original file:') + ' ' \
+ source_path,
)
# Ignoring changes to the extension, has the video/audio filename
# changed?
new_dir, new_file = os.path.split(output_path)
new_name, new_ext = os.path.splitext(new_file)
old_name = video_obj.name
rename_flag = False
if (
self.options_obj.options_dict['add_end_filename'] != '' \
or self.options_obj.options_dict['regex_match_filename'] \
!= '' \
) and old_name != new_name:
rename_flag = True
# If the flag is set, rename a thumbnail file to match the
# video file
if rename_flag \
and self.options_obj.options_dict['rename_both_flag']:
thumb_path = utils.find_thumbnail(
self.app_obj,
video_obj,
True, # Rename a temporary thumbnail too
)
if thumb_path:
thumb_name, thumb_ext = os.path.splitext(thumb_path)
new_thumb_path = os.path.abspath(
os.path.join(
new_dir,
new_name + thumb_ext,
), )
# (Don't call utils.rename_file(), as we need our own
# try/except)
try:
# (On MSWin, can't do os.rename if the destination file
# already exists)
if os.path.isfile(new_thumb_path):
os.remove(new_thumb_path)
# (os.rename sometimes fails on external hard drives;
# this is safer)
shutil.move(thumb_path, new_thumb_path)
except:
self.fail_count += 1
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('Could not rename the thumbnail:') + ' ' \
+ thumb_path,
)
# If a video/audio file was processed, update its filename
if self.options_obj.options_dict['input_mode'] != 'thumb':
if not video_obj.dummy_flag:
video_obj.set_file_from_path(output_path)
else:
video_obj.set_dummy_path(output_path)
# Also update its .name IV (but its .nickname)
if rename_flag:
video_obj.set_name(new_name)
def get_system_cmd(self, app_obj, video_obj=None, start_point=None,
stop_point=None, clip_title=None, clip_dir=None, edit_dict=[]):
"""Can be called by anything.
Given the FFmpeg options specified by self.options_dict, generates the
FFmpeg system command, returning it as a list of options.
N.B. The 'delete_original_flag' option is not applied until the end of
the process operation.
Args:
app_obj (mainapp.TartubeApp): The main application
video_obj (media.Video or None): If specified, uses the video's
downloaded file as the source file. Not specified when called
from config.FFmpegOptionsEditWin, in which case a specimen
source file is used (so that a specimen system command can be
displayed in the edit window)
start_point, stop_point, clip_title, clip_dir (str):
When splitting a video, the points at which to start/stop
(timestamps or values in seconds), the clip title, and the
destination directory for sections (if not the same as the
original file). Ignored if 'output_mode' is not 'split' or
'slice'. If 'output_mode' is 'split' or 'slice', then these
arguments are not specified when called from
config.FFmpegOptionsEditWin, in which case specimen timestamps/
titles are used
edit_dict (dict): When called from the edit window, any changes
that have been made to the FFmpeg options, but which have not
yet been saved to this object. We take those changes into
account when compiling the system command.
Return values:
Returns a tuple of three items:
- The full path to the source file
- The full path to the output file
- A (python) list of options comprising the complete system
commmand (including the FFmpeg binary and the source/output
files)
"""
opt_list = []
tuning_list = []
return_list = []
# When called from the edit window (config.FFmpegOptionsEditWin), any
# changes in the edit window may not have been applied to
# self.options_dict yet
# To produce an up-to-date system command, use a temporary copy of
# self.options_dict, to which the unapplied changes have been added
options_dict = self.options_dict.copy()
for key in edit_dict:
options_dict[key] = edit_dict[key]
# (Shortcuts to values retrieved several times)
bitrate = options_dict['bitrate']
input_mode = options_dict['input_mode']
limit_buffer = options_dict['limit_buffer']
limit_mbps = options_dict['limit_mbps']
output_mode = options_dict['output_mode']
rate_factor = options_dict['rate_factor']
# The 'extra_cmd_string' item must be processed, and split into
# a list of separate items, preserving everything inside quotes as a
# single item (just as we do for youtube-dl download options)
extra_cmd_string = options_dict['extra_cmd_string']
if extra_cmd_string != '':
extra_cmd_list = utils.parse_options(extra_cmd_string)
else:
extra_cmd_list = []
# FFmpeg binary
binary = app_obj.ffmpeg_manager_obj.get_executable()
# Set variables describing the full path to the source video/audio and/
# or source thumbnail files
# If no media.Video object was specified, then use specimen paths that
# can be displayed in the edit window's textview
if video_obj is None:
source_video_path = 'source.ext'
source_audio_path = 'source.ext'
source_thumb_path = 'source.jpg'
else:
if video_obj.dummy_flag:
# (Special case: 'dummy' video objects (those downloaded in the
# Classic Mode tab) use different IVs)
# If a specified media.Video has an unknown path, then return
# an empty list; there is nothing for FFmpeg to convert
if video_obj.dummy_path is None:
return None
# Check the video/audio file actually exists. If not, there is
# nothing for FFmpeg to convert
source_video_path = video_obj.dummy_path
if not os.path.exists(source_video_path) \
and input_mode == 'video':
return None, None, []
else:
# If a specified media.Video has an unknown filename, then
# return an empty list; there is nothing for FFmpeg to
# convert
if video_obj.file_name is None:
return None, None, []
# Check the video/audio file actually exists, and is marked as
# downloaded. If not, there is nothing for FFmpeg to convert
source_video_path = video_obj.get_actual_path(app_obj)
if (
not os.path.exists(source_video_path) \
or not video_obj.dl_flag
) and input_mode == 'video':
return None, None, []
# Find the video's thumbnail
source_thumb_path = utils.find_thumbnail(app_obj, video_obj, True)
if source_thumb_path is None and input_mode == 'thumb':
# Return an empty list; there is nothing for FFmpeg to convert
return None, None, []
# If 'output_mode' is 'merge', then look for an audio file with the
# same name as the video file (but otherwise don't bother)
source_audio_path = None
if output_mode == 'merge':
name, video_ext = os.path.splitext(source_video_path)
for audio_ext in formats.AUDIO_FORMAT_LIST:
audio_path = os.path.abspath(os.path.join(name, audio_ext))
if os.path.isfile(audio_path):
source_audio_path = audio_path
break
if source_audio_path is None:
# Nothing merge
return None, None, []
# Break down the full path into its components, so that we can set the
# output file, after applying optional modifications
if input_mode == 'video':
output_dir, output_file = os.path.split(source_video_path)
else:
output_dir, output_file = os.path.split(source_thumb_path)
output_name, output_ext = os.path.splitext(output_file)
add_end_filename = options_dict['add_end_filename']
if add_end_filename != '':
# Remove trailing whitepsace
add_end_filename = re.sub(
r'\s+$',
'',
options_dict['add_end_filename'],
)
# Update the filename
output_name += add_end_filename
regex_match_filename = options_dict['regex_match_filename']
if regex_match_filename != '':
output_name = re.sub(
regex_match_filename,
options_dict['regex_apply_subst'],
output_name,
)
change_file_ext = options_dict['change_file_ext'].lower()
if change_file_ext == '':
output_file = output_name + output_ext
else:
output_file = output_name + '.' + change_file_ext
if video_obj is None:
output_path = output_file
else:
output_path = os.path.abspath(
os.path.join(output_dir, output_file),
)
# Special case: when called from config.FFmpegOptionsEditWin, then show
# a specimen system command resembling the one that will eventually
# be generated by FFmpegManager.run_ffmpeg_multiple_files()
if app_obj.ffmpeg_simple_options_flag \
and video_obj is None \
and output_mode != 'split' \
and output_mode != 'slice':
return_list.append(binary)
return_list.append('-y')
return_list.append('-loglevel')
return_list.append('repeat+info')
return_list.append('-i')
if input_mode == 'video':
return_list.append(source_video_path)
else:
return_list.append(source_thumb_path)
if extra_cmd_list:
return_list.extend(extra_cmd_list)
return_list.extend(
[
app_obj.ffmpeg_manager_obj._ffmpeg_filename_argument(
output_path,
),
],
)
return source_video_path, output_path, return_list
# When the full GUI layout is visible, apply all FFmpeg options
if input_mode == 'video':
opt_list.append('-i')
opt_list.append(source_video_path)
else:
opt_list.append('-i')
opt_list.append(source_thumb_path)
# H.264
if output_mode == 'h264':
# In the original code, this was marked:
# Only necessary if the output filename does not end with .mp4
opt_list.append('-c:v')
opt_list.append(options_dict['gpu_encoding'])
opt_list.append('-preset')
opt_list.append(options_dict['patience_preset'])
if options_dict['hw_accel'] != 'none':
opt_list.append('-hwaccel')
opt_list.append(options_dict['hw_accel'])
if options_dict['tuning_film_flag']:
tuning_list.append('film')
if options_dict['tuning_animation_flag']:
tuning_list.append('animation')
if options_dict['tuning_grain_flag']:
tuning_list.append('grain')
if options_dict['tuning_still_image_flag']:
tuning_list.append('stillimage')
if options_dict['tuning_fast_decode_flag']:
tuning_list.append('fastdecode')
if options_dict['tuning_zero_latency_flag']:
tuning_list.append('zerolatency')
if tuning_list:
opt_list.append('-tune')
opt_list.append(','.join(tuning_list))
if options_dict['fast_start_flag']:
opt_list.append('-movflags')
opt_list.append('faststart')
if input_mode == 'video' and options_dict['audio_flag']:
opt_list.append('-c:a')
opt_list.append('aac')
opt_list.append('-b:a')
opt_list.append(
str(options_dict['audio_bitrate']) + 'k',
)
if options_dict['profile_flag'] and rate_factor != 0:
opt_list.append('-profile:v')
opt_list.append('baseline')
opt_list.append('-level')
opt_list.append('3.0')
if options_dict['limit_flag']:
opt_list.append('-maxrate')
opt_list.append(str(limit_mbps) + 'M')
opt_list.append('-bufsize')
opt_list.append((str(limit_mbps) * str(limit_buffer)) + 'M')
if options_dict['seek_flag']:
# In the original code, this was marked:
# Inserts an I-frame every 15 frames
opt_list.append('-x264-params')
opt_list.append('keyint=15')
# In the original code, this was marked:
# Preserves the frame timestamps of VFR videos
opt_list.append('-vsync')
opt_list.append('2')
opt_list.append('-enc_time_base')
opt_list.append('-1')
if options_dict['quality_mode'] == 'crf':
return_list.append(binary)
return_list.extend(opt_list)
return_list.append('-crf')
return_list.append(str(rate_factor))
if extra_cmd_list:
return_list.extend(extra_cmd_list)
return_list.append(output_path)
else:
dummy_file = options_dict['dummy_file']
if dummy_file == 'output':
dummy_file = output_path
return_list.append(binary)
return_list.append('-y')
return_list.extend(opt_list)
return_list.append('-b:v')
return_list.append(str(bitrate))
return_list.append('-pass')
return_list.append('1')
return_list.append('-f')
return_list.append('mp4')
return_list.append(dummy_file)
return_list.append('&&')
return_list.append(binary)
return_list.extend(opt_list)
return_list.append('-b:v')
return_list.append(str(bitrate))
return_list.append('-pass')
return_list.append('2')
if extra_cmd_list:
return_list.extend(extra_cmd_list)
return_list.append(output_path)
# GIF
elif output_mode == 'gif':
if options_dict['palette_mode'] == 'faster':
return_list.append(binary)
return_list.extend(opt_list)
if extra_cmd_list:
return_list.extend(extra_cmd_list)
return_list.append(output_name + '.gif')
else:
return_list.append(binary)
return_list.extend(opt_list)
return_list.append('-vf')
return_list.append('palettegen')
return_list.append('palette.png')
return_list.append('&&')
return_list.append(binary)
return_list.extend(opt_list)
return_list.append('-i')
return_list.append('palette.png')
return_list.append('-filter_complex')
return_list.append('"[0:v][1:v] paletteuse"')
if extra_cmd_list:
return_list.extend(extra_cmd_list)
return_list.append(output_name + '.gif')
# Merge video/audio
elif output_mode == 'merge':
return_list.append(binary)
return_list.extend(opt_list)
return_list.append('-i')
return_list.append(source_audio_path)
return_list.append('-c:v')
return_list.append('copy')
return_list.append('-c:a')
return_list.append('copy')
return_list.append(output_path)
# Split video by timestamps, or times in seconds
elif output_mode == 'split' or output_mode == 'slice':
return_list.append(binary)
return_list.extend(opt_list)
if output_mode == 'split':
return_list.append('-ss')
if start_point is None:
# (A specimen timestamp)
return_list.append('0:00')
else:
return_list.append(str(start_point))
# (If no timestamp is specified, the end of the video is used)
if stop_point is not None:
return_list.append('-to')
return_list.append(str(stop_point))
else:
return_list.append('-ss')
if start_point is None:
# (A specimen time, in seconds)
return_list.append('0')
else:
return_list.append(str(start_point))
# (If no timestamp is specified, the end of the video is used)
if stop_point is not None:
return_list.append('-to')
return_list.append(str(stop_point))
if clip_title is None or clip_title == "":
# (When called from config.FFmpegOptionsEditWin)
clip_title = app_obj.split_video_generic_title
if clip_dir is None:
output_path = os.path.abspath(
os.path.join(output_dir, clip_title + output_ext),
)
else:
output_path = os.path.abspath(
os.path.join(clip_dir, clip_title + output_ext),
)
return_list.append(output_path)
# Video thumbnails
else:
return_list.append(binary)
return_list.extend(opt_list)
return_list.append(output_path)
# All done
if output_mode == 'thumb':
return source_thumb_path, output_path, return_list
else:
return source_video_path, output_path, return_list
def process_video(self, orig_video_obj, dest_dir=None, start_point=None, \
stop_point=None, clip_title=None):
"""Called by self.run(), .slice_video() and .split_video().
Sends a single video to FFmpeg for post-processing.
Args:
orig_video_obj (media.Video): The video to be sent to FFmpeg
dest_dir (str): When splitting a video, the directory into which
the video clips are saved (which may or may not be the same as
the directory of the original file). Depending on settings, it
may be the directory for a media.Folder object, or not. Not
specified when not splitting a video
start_point, stop_point (str): When splitting a video, the
timestamps at which to start/stop (e.g. '15:29'). If
'stop_point' is not specified, the clip ends at the end of
the video. When removing video slices, the time (in seconds)
at the beginning/end of each slice. If 'stop_point' is not
specified, the slice ends at the end of the video
clip_title (str): When splitting a video, the title of this video
clip (if specified)
Return values:
True of success, False on failure
"""
# mainwin.MainWin.on_video_catalogue_process_ffmpeg_multi() should have
# filtered any media.Video objects whose .file_name is unknown, but
# just in case, check again
# (Special case: 'dummy' video objects (those downloaded in the Classic
# Mode tab) use different IVs)
if orig_video_obj.file_name is None \
and (
not orig_video_obj.dummy_flag
or orig_video_obj.dummy_path is None
):
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('FAILED: File name is not known'),
)
self.fail_count += 1
return False
# Get the source/output files, ahd the full FFmpeg system command (as a
# list, and including the source/output files)
source_path, output_path, cmd_list = self.options_obj.get_system_cmd(
self.app_obj,
orig_video_obj,
start_point,
stop_point,
clip_title,
dest_dir,
)
if source_path is None:
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('FAILED: File not found'),
)
self.fail_count += 1
return False
# Update the main window's progress bar
GObject.timeout_add(
0,
self.app_obj.main_win_obj.update_progress_bar,
orig_video_obj.name,
self.job_count,
self.job_total,
)
# Update the Output tab again
self.app_obj.main_win_obj.output_tab_write_system_cmd(
1,
' '.join(cmd_list),
)
# Process the video
success_flag, msg \
= self.app_obj.ffmpeg_manager_obj.run_ffmpeg_with_options(
orig_video_obj,
source_path,
cmd_list,
)
if not success_flag:
self.fail_count += 1
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('FAILED:') + ' ' + msg,
)
return False
else:
self.success_count += 1
self.app_obj.main_win_obj.output_tab_write_stdout(
1,
_('Output file:') + ' ' + output_path,
)
# (If splitting files, there is nothing more to do)
if start_point is not None:
return True
# Otherwise, delete the original video file, if required
if self.options_obj.options_dict['delete_original_flag'] \
and os.path.isfile(source_path) \
and os.path.isfile(output_path) \
and source_path != output_path:
if not self.app_obj.remove_file(source_path):
self.fail_count += 1
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('Could not delete the original file:') + ' ' \
+ source_path,
)
# Ignoring changes to the extension, has the video/audio filename
# changed?
new_dir, new_file = os.path.split(output_path)
new_name, new_ext = os.path.splitext(new_file)
old_name = orig_video_obj.name
rename_flag = False
if (
self.options_obj.options_dict['add_end_filename'] != '' \
or self.options_obj.options_dict['regex_match_filename'] \
!= '' \
) and old_name != new_name:
rename_flag = True
# If the flag is set, rename a thumbnail file to match the
# video file
if rename_flag \
and self.options_obj.options_dict['rename_both_flag']:
thumb_path = utils.find_thumbnail(
self.app_obj,
orig_video_obj,
True, # Rename a temporary thumbnail too
)
if thumb_path:
thumb_name, thumb_ext = os.path.splitext(thumb_path)
new_thumb_path = os.path.abspath(
os.path.join(
new_dir,
new_name + thumb_ext,
), )
# (On MSWin, can't do os.rename if the destination file
# already exists)
if os.path.isfile(new_thumb_path):
self.app_obj.remove_file(new_thumb_path)
# (os.rename sometimes fails on external hard drives; this
# is safer)
if not self.app_obj.move_file_or_directory(
thumb_path,
new_thumb_path,
):
self.fail_count += 1
self.app_obj.main_win_obj.output_tab_write_stderr(
1,
_('Could not rename the thumbnail:') + ' ' \
+ thumb_path,
)
# If a video/audio file was processed, update its filename
if self.options_obj.options_dict['input_mode'] != 'thumb':
if not orig_video_obj.dummy_flag:
orig_video_obj.set_file_from_path(output_path)
else:
orig_video_obj.set_dummy_path(output_path)
# Also update its .name IV (but its .nickname)
if rename_flag:
orig_video_obj.set_name(new_name)
return True