def build(fastflix: FastFlix):
settings: x264Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libx264")
beginning += f'{f"-tune:v {settings.tune}" if settings.tune else ""} {generate_color_details(fastflix)} '
if settings.profile and settings.profile != "default":
beginning += f"-profile:v {settings.profile} "
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
if settings.bitrate:
command_1 = (
f"{beginning} -pass 1 "
f'-passlogfile "{pass_log_file}" -b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra if settings.extra_both_passes else ""} -an -sn -dn -f mp4 {null}'
)
command_2 = (
f'{beginning} -pass 2 -passlogfile "{pass_log_file}" '
f"-b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra} "
) + ending
return [
Command(command=command_1, name="First pass bitrate", exe="ffmpeg"),
Command(command=command_2, name="Second pass bitrate", exe="ffmpeg"),
]
elif settings.crf:
command = f"{beginning} -crf:v {settings.crf} " f"-preset:v {settings.preset} {settings.extra} {ending}"
return [Command(command=command, name="Single pass CRF", exe="ffmpeg")]
else:
return []
def build(fastflix: FastFlix):
settings: AOMAV1Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libaom-av1")
beginning += ("-strict experimental "
f"-cpu-used {settings.cpu_used} "
f"-tile-rows {settings.tile_rows} "
f"-tile-columns {settings.tile_columns} "
f"-usage {settings.usage} "
f"{generate_color_details(fastflix)} ")
if settings.row_mt.lower() == "enabled":
beginning += f"-row-mt 1 "
beginning = re.sub("[ ]+", " ", beginning)
if settings.bitrate:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}.log"
command_1 = f'{beginning} -passlogfile "{pass_log_file}" -b:v {settings.bitrate} -pass 1 -an -f matroska {null}'
command_2 = f'{beginning} -passlogfile "{pass_log_file}" -b:v {settings.bitrate} -pass 2' + ending
return [
Command(command_1, ["ffmpeg", "output"],
False,
name="First Pass bitrate"),
Command(command_2, ["ffmpeg", "output"],
False,
name="Second Pass bitrate"),
]
elif settings.crf:
command_1 = f"{beginning} -b:v 0 -crf {settings.crf}" + ending
return [
Command(command_1, ["ffmpeg", "output"],
False,
name="Single Pass CRF")
]
def build(fastflix: FastFlix):
settings: FFmpegNVENCSettings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "hevc_nvenc")
beginning += f'{f"-tune:v {settings.tune}" if settings.tune else ""} {generate_color_details(fastflix)} -spatial_aq:v {settings.spatial_aq} -tier:v {settings.tier} -rc-lookahead:v {settings.rc_lookahead} -gpu {settings.gpu} -b_ref_mode {settings.b_ref_mode} '
if settings.profile:
beginning += f"-profile:v {settings.profile} "
if settings.rc:
beginning += f"-rc:v {settings.rc} "
if settings.level:
beginning += f"-level:v {settings.level} "
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
command_1 = (
f"{beginning} -pass 1 "
f'-passlogfile "{pass_log_file}" -b:v {settings.bitrate} -preset:v {settings.preset} -2pass 1 '
f'{settings.extra if settings.extra_both_passes else ""} -an -sn -dn -f mp4 {null}'
)
command_2 = (
f'{beginning} -pass 2 -passlogfile "{pass_log_file}" -2pass 1 '
f"-b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra} "
) + ending
return [
Command(command=command_1, name="First pass bitrate", exe="ffmpeg"),
Command(command=command_2, name="Second pass bitrate", exe="ffmpeg"),
]
def build(fastflix: FastFlix):
settings: AOMAV1Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libaom-av1")
beginning += ("-strict experimental "
f"-cpu-used {settings.cpu_used} "
f"-tile-rows {settings.tile_rows} "
f"-tile-columns {settings.tile_columns} "
f"-usage {settings.usage} "
f"{generate_color_details(fastflix)} ")
if settings.row_mt.lower() == "enabled":
beginning += f"-row-mt 1 "
if settings.bitrate:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
command_1 = f'{beginning} -passlogfile "{pass_log_file}" -b:v {settings.bitrate} -pass 1 {settings.extra if settings.extra_both_passes else ""} -an -f matroska {null}'
command_2 = (
f'{beginning} -passlogfile "{pass_log_file}" -b:v {settings.bitrate} -pass 2 {settings.extra} {ending}'
)
return [
Command(command=command_1, name="First Pass bitrate"),
Command(command=command_2, name="Second Pass bitrate"),
]
elif settings.crf:
command_1 = f"{beginning} -b:v 0 -crf {settings.crf} {settings.extra} {ending}"
return [Command(command=command_1, name="Single Pass CRF")]
def build(fastflix: FastFlix):
settings: rav1eSettings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "librav1e")
beginning += ("-strict experimental "
f"-speed {settings.speed} "
f"-tile-columns {settings.tile_columns} "
f"-tile-rows {settings.tile_rows} "
f"-tiles {settings.tiles} "
f"{generate_color_details(fastflix)} ")
# if not fastflix.current_video.video_settings.remove_hdr:
# Currently unsupported https://github.com/xiph/rav1e/issues/2554
# rav1e_options = []
# if side_data.master_display:
# rav1e_options.append(
# "mastering-display="
# f"G{side_data.master_display.green}"
# f"B{side_data.master_display.blue}"
# f"R{side_data.master_display.red}"
# f"WP{side_data.master_display.white}"
# f"L{side_data.master_display.luminance}"
# )
#
# if side_data.cll:
# rav1e_options.append(f"content-light={side_data.cll}")
# if rav1e_options:
# opts = ":".join(rav1e_options)
# beginning += f'-rav1e-params "{opts}"'
beginning = re.sub("[ ]+", " ", beginning)
if not settings.single_pass:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
beginning += f'-passlogfile "{pass_log_file}" '
pass_type = "bitrate" if settings.bitrate else "QP"
if not settings.bitrate:
command_1 = f"{beginning} -qp {settings.qp} {settings.extra} {ending}"
return [Command(command=command_1, name=f"{pass_type}", exe="ffmpeg")]
if settings.single_pass:
command_1 = f"{beginning} -b:v {settings.bitrate} {settings.extra} {ending}"
return [Command(command=command_1, name=f"{pass_type}", exe="ffmpeg")]
else:
command_1 = f"{beginning} -b:v {settings.bitrate} -pass 1 {settings.extra if settings.extra_both_passes else ''} -an -f matroska {null}"
command_2 = f"{beginning} -b:v {settings.bitrate} -pass 2 {settings.extra} {ending}"
return [
Command(command=command_1,
name=f"First pass {pass_type}",
exe="ffmpeg"),
Command(command=command_2,
name=f"Second pass {pass_type} ",
exe="ffmpeg"),
]
def build(fastflix: FastFlix):
settings: VP9Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libvpx-vp9")
beginning += f'{"-row-mt 1" if settings.row_mt else ""} ' f"{generate_color_details(fastflix)} "
if not settings.single_pass:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
beginning += f'-passlogfile "{pass_log_file}" '
# TODO color_range 1
# if not fastflix.current_video.video_settings.remove_hdr and settings.pix_fmt in ("yuv420p10le", "yuv420p12le"):
# if fastflix.current_video.color_space.startswith("bt2020"):
# beginning += "-color_primaries bt2020 -color_trc smpte2084 -colorspace bt2020nc -color_range 1"
details = f"-quality:v {settings.quality} -profile:v {settings.profile} -tile-columns:v {settings.tile_columns} -tile-rows:v {settings.tile_rows} "
if settings.bitrate:
if settings.quality == "realtime":
return [
Command(
command=
f"{beginning} -speed:v {settings.speed} -b:v {settings.bitrate} {details} {settings.extra} {ending} ",
name="Single pass realtime bitrate",
exe="ffmpeg",
)
]
command_1 = f"{beginning} -speed:v {'4' if settings.fast_first_pass else settings.speed} -b:v {settings.bitrate} {details} -pass 1 {settings.extra if settings.extra_both_passes else ''} -an -f webm {null}"
command_2 = (
f"{beginning} -speed:v {settings.speed} -b:v {settings.bitrate} {details} -pass 2 {settings.extra} {ending}"
)
elif settings.crf:
command_1 = f"{beginning} -b:v 0 -crf:v {settings.crf} {details} -pass 1 {settings.extra if settings.extra_both_passes else ''} -an -f webm {null}"
command_2 = (
f"{beginning} -b:v 0 -crf:v {settings.crf} {details} "
f'{"-pass 2" if not settings.single_pass else ""} {settings.extra} {ending}'
)
else:
return []
if settings.crf and settings.single_pass:
return [
Command(command=command_2, name="Single pass CRF", exe="ffmpeg")
]
pass_type = "bitrate" if settings.bitrate else "CRF"
return [
Command(command=command_1,
name=f"First pass {pass_type}",
exe="ffmpeg"),
Command(command=command_2,
name=f"Second pass {pass_type} ",
exe="ffmpeg"),
]
def build(fastflix: FastFlix):
settings: SVTAV1Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libsvtav1")
beginning += (f"-strict experimental "
f"-preset {settings.speed} "
f"-tile_columns {settings.tile_columns} "
f"-tile_rows {settings.tile_rows} "
f"-tier {settings.tier} "
f"{generate_color_details(fastflix)} ")
beginning = re.sub("[ ]+", " ", beginning)
if not settings.single_pass:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}.log"
beginning += f'-passlogfile "{pass_log_file}" '
pass_type = "bitrate" if settings.bitrate else "QP"
if settings.single_pass:
if settings.bitrate:
command_1 = f"{beginning} -b:v {settings.bitrate} -rc 1" + ending
elif settings.qp is not None:
command_1 = f"{beginning} -qp {settings.qp} -rc 0" + ending
else:
return []
return [
Command(command_1, ["ffmpeg", "output"],
False,
name=f"{pass_type}",
exe="ffmpeg")
]
else:
if settings.bitrate:
command_1 = f"{beginning} -b:v {settings.bitrate} -rc 1 -pass 1 -an -f matroska {null}"
command_2 = f"{beginning} -b:v {settings.bitrate} -rc 1 -pass 2" + ending
elif settings.qp is not None:
command_1 = f"{beginning} -qp {settings.qp} -rc 0 -pass 1 -an -f matroska {null}"
command_2 = f"{beginning} -qp {settings.qp} -rc 0 -pass 2" + ending
else:
return []
return [
Command(command_1, ["ffmpeg", "output"],
False,
name=f"First pass {pass_type}",
exe="ffmpeg"),
Command(command_2, ["ffmpeg", "output"],
False,
name=f"Second pass {pass_type} ",
exe="ffmpeg"),
]
def build(fastflix: FastFlix):
beginning, ending = generate_all(fastflix, "copy", disable_filters=True)
return [
Command(
command=
f"{beginning} {fastflix.current_video.video_settings.video_encoder_settings.extra} {ending}",
name="No Video Encoding",
exe="ffmpeg",
)
]
def build(fastflix: FastFlix):
beginning, ending = generate_all(fastflix, "copy", disable_filters=True)
return [
Command(
re.sub("[ ]+", " ", f"{beginning} {ending}"),
["ffmpeg", "output"],
False,
name="No Video Encoding",
exe="ffmpeg",
)
]
def build(fastflix: FastFlix):
settings: WebPSettings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix,
"libwebp",
audio=False,
subs=False)
return [
Command(
command=
f"{beginning} -lossless {settings.lossless} -compression_level {settings.compression} "
f"-qscale {settings.qscale} -preset {settings.preset} {settings.extra} {ending}",
name="WebP",
exe="ffmpeg",
),
]
def build(fastflix: FastFlix):
settings: x264Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libx264")
beginning += f'{f"-tune {settings.tune}" if settings.tune else ""} ' f"{generate_color_details(fastflix)} "
if settings.profile and settings.profile != "default":
beginning += f"-profile {settings.profile} "
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}.log"
if settings.bitrate:
command_1 = (
f"{beginning} -pass 1 "
f'-passlogfile "{pass_log_file}" -b:v {settings.bitrate} -preset {settings.preset} -an -sn -dn -f mp4 {null}'
)
command_2 = (
f'{beginning} -pass 2 -passlogfile "{pass_log_file}" ' f"-b:v {settings.bitrate} -preset {settings.preset}"
) + ending
return [
Command(
re.sub("[ ]+", " ", command_1), ["ffmpeg", "output"], False, name="First pass bitrate", exe="ffmpeg"
),
Command(
re.sub("[ ]+", " ", command_2), ["ffmpeg", "output"], False, name="Second pass bitrate", exe="ffmpeg"
),
]
elif settings.crf:
command = (f"{beginning} -crf {settings.crf} " f"-preset {settings.preset} ") + ending
return [
Command(re.sub("[ ]+", " ", command), ["ffmpeg", "output"], False, name="Single pass CRF", exe="ffmpeg")
]
else:
return []
def build(fastflix: FastFlix):
settings: HEVCVideoToolboxSettings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "hevc_videotoolbox")
beginning += generate_color_details(fastflix)
def clean_bool(item):
return "true" if item else "false"
details = (f"-profile:v {settings.profile} "
f"-allow_sw {clean_bool(settings.allow_sw)} "
f"-require_sw {clean_bool(settings.require_sw)} "
f"-realtime {clean_bool(settings.realtime)} "
f"-frames_before {clean_bool(settings.frames_before)} "
f"-frames_after {clean_bool(settings.frames_after)} ")
if settings.bitrate:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
beginning += f" "
command_1 = f"{beginning} -b:v {settings.bitrate} {details} -pass 1 -passlogfile \"{pass_log_file}\" {settings.extra if settings.extra_both_passes else ''} -an -f mp4 {null}"
command_2 = f'{beginning} -b:v {settings.bitrate} {details} -pass 2 -passlogfile "{pass_log_file}" {settings.extra} {ending}'
return [
Command(command=command_1,
name=f"First pass bitrate",
exe="ffmpeg"),
Command(command=command_2,
name=f"Second pass bitrate",
exe="ffmpeg"),
]
command_1 = f"{beginning} -q:v {settings.q} {details} {settings.extra} {ending}"
return [
Command(command=command_1,
name=f"Single pass constant quality",
exe="ffmpeg"),
]
def build(fastflix: FastFlix):
settings: x265Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libx265")
if settings.tune and settings.tune != "default":
beginning += f"-tune:v {settings.tune} "
if settings.profile and settings.profile != "default":
beginning += f"-profile:v {settings.profile} "
x265_params = settings.x265_params.copy() or []
x265_params.append(f"aq-mode={settings.aq_mode}")
x265_params.append(
f"repeat-headers={'1' if settings.repeat_headers else '0'}")
x265_params.append(
f"{'' if settings.intra_smoothing else 'no-'}strong-intra-smoothing=1")
x265_params.append(f"bframes={settings.bframes}")
x265_params.append(f"b-adapt={settings.b_adapt}")
x265_params.append(f"frame-threads={settings.frame_threads}")
if not fastflix.current_video.video_settings.remove_hdr:
if fastflix.current_video.video_settings.color_primaries:
x265_params.append(
f"colorprim={fastflix.current_video.video_settings.color_primaries}"
)
elif fastflix.current_video.color_primaries:
if fastflix.current_video.color_primaries in x265_valid_color_primaries:
x265_params.append(
f"colorprim={fastflix.current_video.color_primaries}")
elif fastflix.current_video.color_primaries in color_primaries_mapping:
x265_params.append(
f"colorprim={color_primaries_mapping[fastflix.current_video.color_primaries]}"
)
if fastflix.current_video.video_settings.color_transfer:
x265_params.append(
f"transfer={fastflix.current_video.video_settings.color_transfer}"
)
elif fastflix.current_video.color_transfer:
if fastflix.current_video.color_transfer in x265_valid_color_transfers:
x265_params.append(
f"transfer={fastflix.current_video.color_transfer}")
elif fastflix.current_video.color_transfer in color_transfer_mapping:
x265_params.append(
f"transfer={color_transfer_mapping[fastflix.current_video.color_transfer]}"
)
if fastflix.current_video.video_settings.color_space:
x265_params.append(
f"colormatrix={fastflix.current_video.video_settings.color_space}"
)
elif fastflix.current_video.color_space:
if fastflix.current_video.color_space in x265_valid_color_matrix:
x265_params.append(
f"colormatrix={fastflix.current_video.color_space}")
elif fastflix.current_video.color_space in color_matrix_mapping:
x265_params.append(
f"colormatrix={color_matrix_mapping[fastflix.current_video.color_space]}"
)
if settings.pix_fmt in ("yuv420p10le", "yuv420p12le"):
x265_params.append(
f"hdr10_opt={'1' if settings.hdr10_opt else '0'}")
if fastflix.current_video.master_display:
settings.hdr10 = True
x265_params.append(
"master-display="
f"G{fastflix.current_video.master_display.green}"
f"B{fastflix.current_video.master_display.blue}"
f"R{fastflix.current_video.master_display.red}"
f"WP{fastflix.current_video.master_display.white}"
f"L{fastflix.current_video.master_display.luminance}")
if fastflix.current_video.cll:
settings.hdr10 = True
x265_params.append(f"max-cll={fastflix.current_video.cll}")
x265_params.append(f"hdr10={'1' if settings.hdr10 else '0'}")
current_chroma_loc = fastflix.current_video.current_video_stream.get(
"chroma_location")
if current_chroma_loc in chromaloc_mapping:
x265_params.append(
f"chromaloc={chromaloc_mapping[current_chroma_loc]}")
if settings.hdr10plus_metadata:
x265_params.append(f"dhdr10-info='{settings.hdr10plus_metadata}'")
if settings.intra_encoding:
x265_params.append("keyint=1")
if settings.intra_refresh:
x265_params.append("intra-refresh=1")
if settings.lossless:
x265_params.append("lossless=1")
if fastflix.current_video.video_settings.maxrate:
x265_params.append(
f"vbv-maxrate={fastflix.current_video.video_settings.maxrate}")
x265_params.append(
f"vbv-bufsize={fastflix.current_video.video_settings.bufsize}")
if fastflix.current_video.cll:
pass
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
def get_x265_params(params=()):
if not isinstance(params, (list, tuple)):
params = [params]
all_params = x265_params + list(params)
return '-x265-params "{}" '.format(
":".join(all_params)) if all_params else ""
if settings.bitrate:
command_1 = (
f'{beginning} {get_x265_params(["pass=1", "no-slow-firstpass=1"])} '
f'-passlogfile "{pass_log_file}" -b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra if settings.extra_both_passes else ""} '
f" -an -sn -dn -f mp4 {null}")
command_2 = (
f'{beginning} {get_x265_params(["pass=2"])} -passlogfile "{pass_log_file}" '
f"-b:v {settings.bitrate} -preset:v {settings.preset} {settings.extra} {ending}"
)
return [
Command(command=command_1, name="First pass bitrate",
exe="ffmpeg"),
Command(command=command_2,
name="Second pass bitrate",
exe="ffmpeg"),
]
elif settings.crf:
command = (f"{beginning} {get_x265_params()} -crf:v {settings.crf} "
f"-preset:v {settings.preset} {settings.extra} {ending}")
return [Command(command=command, name="Single pass CRF", exe="ffmpeg")]
else:
return []
def build(fastflix: FastFlix):
settings: SVTAV1Settings = fastflix.current_video.video_settings.video_encoder_settings
beginning, ending = generate_all(fastflix, "libsvtav1")
beginning += (
f"-strict experimental "
f"-preset {settings.speed} "
f"-tile_columns {settings.tile_columns} "
f"-tile_rows {settings.tile_rows} "
f"-tier {settings.tier} "
f"-sc_detection {'true' if settings.scene_detection else 'false'} "
f"{generate_color_details(fastflix)} ")
svtav1_params = settings.svtav1_params.copy()
if not fastflix.current_video.video_settings.remove_hdr:
if (fastflix.current_video.video_settings.color_primaries == "bt2020"
or fastflix.current_video.color_primaries == "bt2020"):
svtav1_params.append(f"color-primaries=9")
if (fastflix.current_video.video_settings.color_transfer == "smpte2084"
or fastflix.current_video.color_transfer == "smpte2084"):
svtav1_params.append(f"transfer-characteristics=16")
if (fastflix.current_video.video_settings.color_space and "bt2020"
in fastflix.current_video.video_settings.color_space) or (
fastflix.current_video.color_space
and "bt2020" in fastflix.current_video.color_space):
svtav1_params.append(f"matrix-coefficients=9")
enable_hdr = False
if settings.pix_fmt in ("yuv420p10le", "yuv420p12le"):
def convert_me(two_numbers, conversion_rate=50_000) -> str:
num_one, num_two = map(int, two_numbers.strip("()").split(","))
return f"{num_one / conversion_rate:0.4f},{num_two / conversion_rate:0.4f}"
if fastflix.current_video.master_display:
svtav1_params.append(
"mastering-display="
f"G({convert_me(fastflix.current_video.master_display.green)})"
f"B({convert_me(fastflix.current_video.master_display.blue)})"
f"R({convert_me(fastflix.current_video.master_display.red)})"
f"WP({convert_me(fastflix.current_video.master_display.white)})"
f"L({convert_me(fastflix.current_video.master_display.luminance, 10_000)})"
)
enable_hdr = True
if fastflix.current_video.cll:
svtav1_params.append(
f"content-light={fastflix.current_video.cll}")
enable_hdr = True
if enable_hdr:
svtav1_params.append("enable-hdr=1")
if svtav1_params:
beginning += f" -svtav1-params \"{':'.join(svtav1_params)}\" "
if not settings.single_pass:
pass_log_file = fastflix.current_video.work_path / f"pass_log_file_{secrets.token_hex(10)}"
beginning += f'-passlogfile "{pass_log_file}" '
pass_type = "bitrate" if settings.bitrate else "QP"
if settings.single_pass:
if settings.bitrate:
command_1 = f"{beginning} -b:v {settings.bitrate} {settings.extra} {ending}"
elif settings.qp is not None:
command_1 = f"{beginning} -{settings.qp_mode} {settings.qp} {settings.extra} {ending}"
else:
return []
return [Command(command=command_1, name=f"{pass_type}", exe="ffmpeg")]
else:
if settings.bitrate:
command_1 = f"{beginning} -b:v {settings.bitrate} -pass 1 {settings.extra if settings.extra_both_passes else ''} -an -f matroska {null}"
command_2 = f"{beginning} -b:v {settings.bitrate} -pass 2 {settings.extra} {ending}"
elif settings.qp is not None:
command_1 = f"{beginning} -qp {settings.qp} -pass 1 {settings.extra if settings.extra_both_passes else ''} -an -f matroska {null}"
command_2 = f"{beginning} -qp {settings.qp} -pass 2 {settings.extra} {ending}"
else:
return []
return [
Command(command=command_1,
name=f"First pass {pass_type}",
exe="ffmpeg"),
Command(command=command_2,
name=f"Second pass {pass_type} ",
exe="ffmpeg"),
]
