FFmpeg options.
Modules:
| Name | Description |
|---|---|
codec |
FFmpeg codec options. |
format |
FFmpeg format options. |
framesync |
Framesync options. Some filters with several inputs support a common set of options. These options can only be set by name, not with the short notation. |
timeline |
FFmpeg timeline options module. |
Functions:
| Name | Description |
|---|---|
decoder_codec_context |
Decoder codec context options. |
decoder_format_context |
Decoder format context options. |
encoder_codec_context |
Encoder codec context options. |
encoder_format_context |
Encoder format context options. |
decoder_codec_context(
*,
flags: str | None = None,
export_side_data: str | None = None,
ar: int | None = None,
ac: int | None = None,
bug: str | None = None,
strict: (
int
| None
| Literal[
"very",
"strict",
"normal",
"unofficial",
"experimental",
]
) = None,
err_detect: str | None = None,
idct: (
int
| None
| Literal[
"auto",
"int",
"simple",
"simplemmx",
"arm",
"altivec",
"simplearm",
"simplearmv5te",
"simplearmv6",
"simpleneon",
"xvid",
"xvidmmx",
"faani",
"simpleauto",
]
) = None,
ec: str | None = None,
debug: str | None = None,
threads: int | None | Literal["auto"] = None,
skip_top: int | None = None,
skip_bottom: int | None = None,
lowres: int | None = None,
skip_loop_filter: (
int
| None
| Literal[
"none",
"default",
"noref",
"bidir",
"nointra",
"nokey",
"all",
]
) = None,
skip_idct: (
int
| None
| Literal[
"none",
"default",
"noref",
"bidir",
"nointra",
"nokey",
"all",
]
) = None,
skip_frame: (
int
| None
| Literal[
"none",
"default",
"noref",
"bidir",
"nointra",
"nokey",
"all",
]
) = None,
ch_layout: str | None = None,
channel_layout: str | None = None,
request_channel_layout: str | None = None,
ticks_per_frame: int | None = None,
color_primaries: (
int
| None
| Literal[
"bt709",
"unknown",
"bt470m",
"bt470bg",
"smpte170m",
"smpte240m",
"film",
"bt2020",
"smpte428",
"smpte428_1",
"smpte431",
"smpte432",
"jedec-p22",
"ebu3213",
"unspecified",
]
) = None,
color_trc: (
int
| None
| Literal[
"bt709",
"unknown",
"gamma22",
"gamma28",
"smpte170m",
"smpte240m",
"linear",
"log100",
"log316",
"iec61966-2-4",
"bt1361e",
"iec61966-2-1",
"bt2020-10",
"bt2020-12",
"smpte2084",
"smpte428",
"arib-std-b67",
"unspecified",
"log",
"log_sqrt",
"iec61966_2_4",
"bt1361",
"iec61966_2_1",
"bt2020_10bit",
"bt2020_12bit",
"smpte428_1",
]
) = None,
colorspace: (
int
| None
| Literal[
"rgb",
"bt709",
"unknown",
"fcc",
"bt470bg",
"smpte170m",
"smpte240m",
"ycgco",
"bt2020nc",
"bt2020c",
"smpte2085",
"chroma-derived-nc",
"chroma-derived-c",
"ictcp",
"unspecified",
"ycocg",
"bt2020_ncl",
"bt2020_cl",
]
) = None,
color_range: (
int
| None
| Literal[
"unknown",
"tv",
"pc",
"unspecified",
"mpeg",
"jpeg",
"limited",
"full",
]
) = None,
chroma_sample_location: (
int
| None
| Literal[
"unknown",
"left",
"center",
"topleft",
"top",
"bottomleft",
"bottom",
"unspecified",
]
) = None,
thread_type: str | None = None,
request_sample_fmt: str | None = None,
sub_charenc: str | None = None,
sub_charenc_mode: str | None = None,
apply_cropping: bool | None = None,
skip_alpha: bool | None = None,
field_order: (
int
| None
| Literal["progressive", "tt", "bb", "tb", "bt"]
) = None,
dump_separator: str | None = None,
codec_whitelist: str | None = None,
max_pixels: int | None = None,
max_samples: int | None = None,
hwaccel_flags: str | None = None,
extra_hw_frames: int | None = None,
discard_damaged_percentage: int | None = None
) -> FFMpegAVCodecContextDecoderOption
Decoder codec context options.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
flags
|
str | None
|
(default 0), |
None
|
export_side_data
|
str | None
|
Export metadata as side data (default 0), |
None
|
ar
|
int | None
|
set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0), |
None
|
ac
|
int | None
|
set number of audio channels (from 0 to INT_MAX) (default 0), |
None
|
bug
|
str | None
|
work around not autodetected encoder bugs (default autodetect), |
None
|
strict
|
int | None | Literal['very', 'strict', 'normal', 'unofficial', 'experimental']
|
how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal), |
None
|
err_detect
|
str | None
|
set error detection flags (default 0), |
None
|
idct
|
int | None | Literal['auto', 'int', 'simple', 'simplemmx', 'arm', 'altivec', 'simplearm', 'simplearmv5te', 'simplearmv6', 'simpleneon', 'xvid', 'xvidmmx', 'faani', 'simpleauto']
|
select IDCT implementation (from 0 to INT_MAX) (default auto), |
None
|
ec
|
str | None
|
set error concealment strategy (default guess_mvs+deblock), |
None
|
debug
|
str | None
|
print specific debug info (default 0), |
None
|
threads
|
int | None | Literal['auto']
|
set the number of threads (from 0 to INT_MAX) (default 1), |
None
|
skip_top
|
int | None
|
number of macroblock rows at the top which are skipped (from INT_MIN to INT_MAX) (default 0), |
None
|
skip_bottom
|
int | None
|
number of macroblock rows at the bottom which are skipped (from INT_MIN to INT_MAX) (default 0), |
None
|
lowres
|
int | None
|
decode at 1= 1/2, 2=1/4, 3=1/8 resolutions (from 0 to INT_MAX) (default 0), |
None
|
skip_loop_filter
|
int | None | Literal['none', 'default', 'noref', 'bidir', 'nointra', 'nokey', 'all']
|
skip loop filtering process for the selected frames (from INT_MIN to INT_MAX) (default default), |
None
|
skip_idct
|
int | None | Literal['none', 'default', 'noref', 'bidir', 'nointra', 'nokey', 'all']
|
skip IDCT/dequantization for the selected frames (from INT_MIN to INT_MAX) (default default), |
None
|
skip_frame
|
int | None | Literal['none', 'default', 'noref', 'bidir', 'nointra', 'nokey', 'all']
|
skip decoding for the selected frames (from INT_MIN to INT_MAX) (default default), |
None
|
ch_layout
|
str | None
|
, |
None
|
channel_layout
|
str | None
|
(default 0x0), |
None
|
request_channel_layout
|
str | None
|
(default 0x0), |
None
|
ticks_per_frame
|
int | None
|
(from 1 to INT_MAX) (default 1), |
None
|
color_primaries
|
int | None | Literal['bt709', 'unknown', 'bt470m', 'bt470bg', 'smpte170m', 'smpte240m', 'film', 'bt2020', 'smpte428', 'smpte428_1', 'smpte431', 'smpte432', 'jedec-p22', 'ebu3213', 'unspecified']
|
color primaries (from 1 to INT_MAX) (default unknown), |
None
|
color_trc
|
int | None | Literal['bt709', 'unknown', 'gamma22', 'gamma28', 'smpte170m', 'smpte240m', 'linear', 'log100', 'log316', 'iec61966-2-4', 'bt1361e', 'iec61966-2-1', 'bt2020-10', 'bt2020-12', 'smpte2084', 'smpte428', 'arib-std-b67', 'unspecified', 'log', 'log_sqrt', 'iec61966_2_4', 'bt1361', 'iec61966_2_1', 'bt2020_10bit', 'bt2020_12bit', 'smpte428_1']
|
color transfer characteristics (from 1 to INT_MAX) (default unknown), |
None
|
colorspace
|
int | None | Literal['rgb', 'bt709', 'unknown', 'fcc', 'bt470bg', 'smpte170m', 'smpte240m', 'ycgco', 'bt2020nc', 'bt2020c', 'smpte2085', 'chroma-derived-nc', 'chroma-derived-c', 'ictcp', 'unspecified', 'ycocg', 'bt2020_ncl', 'bt2020_cl']
|
color space (from 0 to INT_MAX) (default unknown), |
None
|
color_range
|
int | None | Literal['unknown', 'tv', 'pc', 'unspecified', 'mpeg', 'jpeg', 'limited', 'full']
|
color range (from 0 to INT_MAX) (default unknown), |
None
|
chroma_sample_location
|
int | None | Literal['unknown', 'left', 'center', 'topleft', 'top', 'bottomleft', 'bottom', 'unspecified']
|
chroma sample location (from 0 to INT_MAX) (default unknown), |
None
|
thread_type
|
str | None
|
select multithreading type (default slice+frame), |
None
|
request_sample_fmt
|
str | None
|
sample format audio decoders should prefer (default none), |
None
|
sub_charenc
|
str | None
|
set input text subtitles character encoding, |
None
|
sub_charenc_mode
|
str | None
|
set input text subtitles character encoding mode (default 0), |
None
|
apply_cropping
|
bool | None
|
(default true), |
None
|
skip_alpha
|
bool | None
|
Skip processing alpha (default false), |
None
|
field_order
|
int | None | Literal['progressive', 'tt', 'bb', 'tb', 'bt']
|
Field order (from 0 to 5) (default 0), |
None
|
dump_separator
|
str | None
|
set information dump field separator, |
None
|
codec_whitelist
|
str | None
|
List of decoders that are allowed to be used, |
None
|
max_pixels
|
int | None
|
Maximum number of pixels (from 0 to INT_MAX) (default INT_MAX), |
None
|
max_samples
|
int | None
|
Maximum number of samples (from 0 to INT_MAX) (default INT_MAX), |
None
|
hwaccel_flags
|
str | None
|
(default ignore_level), |
None
|
extra_hw_frames
|
int | None
|
Number of extra hardware frames to allocate for the user (from -1 to INT_MAX) (default -1), |
None
|
discard_damaged_percentage
|
int | None
|
Percentage of damaged samples to discard a frame (from 0 to 100) (default 95), |
None
|
Returns:
| Type | Description |
|---|---|
FFMpegAVCodecContextDecoderOption
|
FFMpegAVCodecContextDecoderOption |
decoder_format_context(
*,
avioflags: str | None = None,
probesize: int | None = None,
formatprobesize: int | None = None,
fflags: str | None = None,
seek2any: bool | None = None,
analyzeduration: int | None = None,
cryptokey: str | None = None,
indexmem: int | None = None,
rtbufsize: int | None = None,
fdebug: str | None = None,
max_delay: int | None = None,
fpsprobesize: int | None = None,
f_err_detect: str | None = None,
err_detect: str | None = None,
use_wallclock_as_timestamps: bool | None = None,
skip_initial_bytes: int | None = None,
correct_ts_overflow: bool | None = None,
f_strict: (
int
| None
| Literal[
"very",
"strict",
"normal",
"unofficial",
"experimental",
]
) = None,
strict: (
int
| None
| Literal[
"very",
"strict",
"normal",
"unofficial",
"experimental",
]
) = None,
max_ts_probe: int | None = None,
dump_separator: str | None = None,
codec_whitelist: str | None = None,
format_whitelist: str | None = None,
protocol_whitelist: str | None = None,
protocol_blacklist: str | None = None,
max_streams: int | None = None,
skip_estimate_duration_from_pts: bool | None = None,
max_probe_packets: int | None = None
) -> FFMpegAVFormatContextDecoderOption
Decoder format context options.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
avioflags
|
str | None
|
(default 0), |
None
|
probesize
|
int | None
|
set probing size (from 32 to I64_MAX) (default 5000000), |
None
|
formatprobesize
|
int | None
|
number of bytes to probe file format (from 0 to 2.14748e+09) (default 1048576), |
None
|
fflags
|
str | None
|
(default autobsf), |
None
|
seek2any
|
bool | None
|
allow seeking to non-keyframes on demuxer level when supported (default false), |
None
|
analyzeduration
|
int | None
|
specify how many microseconds are analyzed to probe the input (from 0 to I64_MAX) (default 0), |
None
|
cryptokey
|
str | None
|
decryption key, |
None
|
indexmem
|
int | None
|
max memory used for timestamp index (per stream) (from 0 to INT_MAX) (default 1048576), |
None
|
rtbufsize
|
int | None
|
max memory used for buffering real-time frames (from 0 to INT_MAX) (default 3041280), |
None
|
fdebug
|
str | None
|
print specific debug info (default 0), |
None
|
max_delay
|
int | None
|
maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1), |
None
|
fpsprobesize
|
int | None
|
number of frames used to probe fps (from -1 to 2.14748e+09) (default -1), |
None
|
f_err_detect
|
str | None
|
set error detection flags (deprecated; use err_detect, save via avconv) (default crccheck), |
None
|
err_detect
|
str | None
|
set error detection flags (default crccheck), |
None
|
use_wallclock_as_timestamps
|
bool | None
|
use wallclock as timestamps (default false), |
None
|
skip_initial_bytes
|
int | None
|
set number of bytes to skip before reading header and frames (from 0 to I64_MAX) (default 0), |
None
|
correct_ts_overflow
|
bool | None
|
correct single timestamp overflows (default true), |
None
|
f_strict
|
int | None | Literal['very', 'strict', 'normal', 'unofficial', 'experimental']
|
how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default normal), |
None
|
strict
|
int | None | Literal['very', 'strict', 'normal', 'unofficial', 'experimental']
|
how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal), |
None
|
max_ts_probe
|
int | None
|
maximum number of packets to read while waiting for the first timestamp (from 0 to INT_MAX) (default 50), |
None
|
dump_separator
|
str | None
|
set information dump field separator (default ", "), |
None
|
codec_whitelist
|
str | None
|
List of decoders that are allowed to be used, |
None
|
format_whitelist
|
str | None
|
List of demuxers that are allowed to be used, |
None
|
protocol_whitelist
|
str | None
|
List of protocols that are allowed to be used, |
None
|
protocol_blacklist
|
str | None
|
List of protocols that are not allowed to be used, |
None
|
max_streams
|
int | None
|
maximum number of streams (from 0 to INT_MAX) (default 1000), |
None
|
skip_estimate_duration_from_pts
|
bool | None
|
skip duration calculation in estimate_timings_from_pts (default false), |
None
|
max_probe_packets
|
int | None
|
Maximum number of packets to probe a codec (from 0 to INT_MAX) (default 2500), |
None
|
Returns:
| Type | Description |
|---|---|
FFMpegAVFormatContextDecoderOption
|
FFMpegAVFormatContextDecoderOption |
encoder_codec_context(
*,
b: int | None = None,
ab: int | None = None,
bt: int | None = None,
flags: str | None = None,
export_side_data: str | None = None,
g: int | None = None,
ar: int | None = None,
ac: int | None = None,
cutoff: int | None = None,
frame_size: int | None = None,
qcomp: float | None = None,
qblur: float | None = None,
qmin: int | None = None,
qmax: int | None = None,
qdiff: int | None = None,
bf: int | None = None,
b_qfactor: float | None = None,
strict: (
int
| None
| Literal[
"very",
"strict",
"normal",
"unofficial",
"experimental",
]
) = None,
b_qoffset: float | None = None,
err_detect: str | None = None,
maxrate: int | None = None,
minrate: int | None = None,
bufsize: int | None = None,
i_qfactor: float | None = None,
i_qoffset: float | None = None,
dct: (
int
| None
| Literal[
"auto",
"fastint",
"int",
"mmx",
"altivec",
"faan",
]
) = None,
lumi_mask: float | None = None,
tcplx_mask: float | None = None,
scplx_mask: float | None = None,
p_mask: float | None = None,
dark_mask: float | None = None,
idct: (
int
| None
| Literal[
"auto",
"int",
"simple",
"simplemmx",
"arm",
"altivec",
"simplearm",
"simplearmv5te",
"simplearmv6",
"simpleneon",
"xvid",
"xvidmmx",
"faani",
"simpleauto",
]
) = None,
aspect: str | None = None,
debug: str | None = None,
dia_size: int | None = None,
last_pred: int | None = None,
pre_dia_size: int | None = None,
subq: int | None = None,
me_range: int | None = None,
global_quality: int | None = None,
mbd: (
int | None | Literal["simple", "bits", "rd"]
) = None,
rc_init_occupancy: int | None = None,
threads: int | None | Literal["auto"] = None,
dc: int | None = None,
nssew: int | None = None,
profile: (
int | None | Literal["unknown", "main10"]
) = None,
level: int | None | Literal["unknown"] = None,
cmp: (
int
| None
| Literal[
"sad",
"sse",
"satd",
"dct",
"psnr",
"bit",
"rd",
"zero",
"vsad",
"vsse",
"nsse",
"w53",
"w97",
"dctmax",
"chroma",
"msad",
]
) = None,
subcmp: (
int
| None
| Literal[
"sad",
"sse",
"satd",
"dct",
"psnr",
"bit",
"rd",
"zero",
"vsad",
"vsse",
"nsse",
"w53",
"w97",
"dctmax",
"chroma",
"msad",
]
) = None,
mbcmp: (
int
| None
| Literal[
"sad",
"sse",
"satd",
"dct",
"psnr",
"bit",
"rd",
"zero",
"vsad",
"vsse",
"nsse",
"w53",
"w97",
"dctmax",
"chroma",
"msad",
]
) = None,
ildctcmp: (
int
| None
| Literal[
"sad",
"sse",
"satd",
"dct",
"psnr",
"bit",
"rd",
"zero",
"vsad",
"vsse",
"nsse",
"w53",
"w97",
"dctmax",
"chroma",
"msad",
]
) = None,
precmp: (
int
| None
| Literal[
"sad",
"sse",
"satd",
"dct",
"psnr",
"bit",
"rd",
"zero",
"vsad",
"vsse",
"nsse",
"w53",
"w97",
"dctmax",
"chroma",
"msad",
]
) = None,
mblmin: int | None = None,
mblmax: int | None = None,
bidir_refine: int | None = None,
keyint_min: int | None = None,
refs: int | None = None,
trellis: int | None = None,
mv0_threshold: int | None = None,
compression_level: int | None = None,
ch_layout: str | None = None,
channel_layout: str | None = None,
rc_max_vbv_use: float | None = None,
rc_min_vbv_use: float | None = None,
ticks_per_frame: int | None = None,
color_primaries: (
int
| None
| Literal[
"bt709",
"unknown",
"bt470m",
"bt470bg",
"smpte170m",
"smpte240m",
"film",
"bt2020",
"smpte428",
"smpte428_1",
"smpte431",
"smpte432",
"jedec-p22",
"ebu3213",
"unspecified",
]
) = None,
color_trc: (
int
| None
| Literal[
"bt709",
"unknown",
"gamma22",
"gamma28",
"smpte170m",
"smpte240m",
"linear",
"log100",
"log316",
"iec61966-2-4",
"bt1361e",
"iec61966-2-1",
"bt2020-10",
"bt2020-12",
"smpte2084",
"smpte428",
"arib-std-b67",
"unspecified",
"log",
"log_sqrt",
"iec61966_2_4",
"bt1361",
"iec61966_2_1",
"bt2020_10bit",
"bt2020_12bit",
"smpte428_1",
]
) = None,
colorspace: (
int
| None
| Literal[
"rgb",
"bt709",
"unknown",
"fcc",
"bt470bg",
"smpte170m",
"smpte240m",
"ycgco",
"bt2020nc",
"bt2020c",
"smpte2085",
"chroma-derived-nc",
"chroma-derived-c",
"ictcp",
"unspecified",
"ycocg",
"bt2020_ncl",
"bt2020_cl",
]
) = None,
color_range: (
int
| None
| Literal[
"unknown",
"tv",
"pc",
"unspecified",
"mpeg",
"jpeg",
"limited",
"full",
]
) = None,
chroma_sample_location: (
int
| None
| Literal[
"unknown",
"left",
"center",
"topleft",
"top",
"bottomleft",
"bottom",
"unspecified",
]
) = None,
slices: int | None = None,
thread_type: str | None = None,
audio_service_type: (
int
| None
| Literal[
"ma",
"ef",
"vi",
"hi",
"di",
"co",
"em",
"vo",
"ka",
]
) = None,
field_order: (
int
| None
| Literal["progressive", "tt", "bb", "tb", "bt"]
) = None,
dump_separator: str | None = None,
max_pixels: int | None = None,
max_samples: int | None = None
) -> FFMpegAVCodecContextEncoderOption
Encoder codec context options.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
b
|
int | None
|
set bitrate (in bits/s) (from 0 to I64_MAX) (default 200000), |
None
|
ab
|
int | None
|
set bitrate (in bits/s) (from 0 to INT_MAX) (default 128000), |
None
|
bt
|
int | None
|
Set video bitrate tolerance (in bits/s). In 1-pass mode, bitrate tolerance specifies how far ratecontrol is willing to deviate from the target average bitrate value. This is not related to minimum/maximum bitrate. Lowering tolerance too much has an adverse effect on quality. (from 0 to INT_MAX) (default 4000000), |
None
|
flags
|
str | None
|
(default 0), |
None
|
export_side_data
|
str | None
|
Export metadata as side data (default 0), |
None
|
g
|
int | None
|
set the group of picture (GOP) size (from INT_MIN to INT_MAX) (default 12), |
None
|
ar
|
int | None
|
set audio sampling rate (in Hz) (from 0 to INT_MAX) (default 0), |
None
|
ac
|
int | None
|
set number of audio channels (from 0 to INT_MAX) (default 0), |
None
|
cutoff
|
int | None
|
set cutoff bandwidth (from INT_MIN to INT_MAX) (default 0), |
None
|
frame_size
|
int | None
|
(from 0 to INT_MAX) (default 0), |
None
|
qcomp
|
float | None
|
video quantizer scale compression (VBR). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0 (from -FLT_MAX to FLT_MAX) (default 0.5), |
None
|
qblur
|
float | None
|
video quantizer scale blur (VBR) (from -1 to FLT_MAX) (default 0.5), |
None
|
qmin
|
int | None
|
minimum video quantizer scale (VBR) (from -1 to 69) (default 2), |
None
|
qmax
|
int | None
|
maximum video quantizer scale (VBR) (from -1 to 1024) (default 31), |
None
|
qdiff
|
int | None
|
maximum difference between the quantizer scales (VBR) (from INT_MIN to INT_MAX) (default 3), |
None
|
bf
|
int | None
|
set maximum number of B-frames between non-B-frames (from -1 to INT_MAX) (default 0), |
None
|
b_qfactor
|
float | None
|
QP factor between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25), |
None
|
strict
|
int | None | Literal['very', 'strict', 'normal', 'unofficial', 'experimental']
|
how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal), |
None
|
b_qoffset
|
float | None
|
QP offset between P- and B-frames (from -FLT_MAX to FLT_MAX) (default 1.25), |
None
|
err_detect
|
str | None
|
set error detection flags (default 0), |
None
|
maxrate
|
int | None
|
maximum bitrate (in bits/s). Used for VBV together with bufsize. (from 0 to INT_MAX) (default 0), |
None
|
minrate
|
int | None
|
minimum bitrate (in bits/s). Most useful in setting up a CBR encode. It is of little use otherwise. (from INT_MIN to INT_MAX) (default 0), |
None
|
bufsize
|
int | None
|
set ratecontrol buffer size (in bits) (from INT_MIN to INT_MAX) (default 0), |
None
|
i_qfactor
|
float | None
|
QP factor between P- and I-frames (from -FLT_MAX to FLT_MAX) (default -0.8), |
None
|
i_qoffset
|
float | None
|
QP offset between P- and I-frames (from -FLT_MAX to FLT_MAX) (default 0), |
None
|
dct
|
int | None | Literal['auto', 'fastint', 'int', 'mmx', 'altivec', 'faan']
|
DCT algorithm (from 0 to INT_MAX) (default auto), |
None
|
lumi_mask
|
float | None
|
compresses bright areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0), |
None
|
tcplx_mask
|
float | None
|
temporal complexity masking (from -FLT_MAX to FLT_MAX) (default 0), |
None
|
scplx_mask
|
float | None
|
spatial complexity masking (from -FLT_MAX to FLT_MAX) (default 0), |
None
|
p_mask
|
float | None
|
inter masking (from -FLT_MAX to FLT_MAX) (default 0), |
None
|
dark_mask
|
float | None
|
compresses dark areas stronger than medium ones (from -FLT_MAX to FLT_MAX) (default 0), |
None
|
idct
|
int | None | Literal['auto', 'int', 'simple', 'simplemmx', 'arm', 'altivec', 'simplearm', 'simplearmv5te', 'simplearmv6', 'simpleneon', 'xvid', 'xvidmmx', 'faani', 'simpleauto']
|
select IDCT implementation (from 0 to INT_MAX) (default auto), |
None
|
aspect
|
str | None
|
sample aspect ratio (from 0 to 10) (default 0/1), |
None
|
debug
|
str | None
|
print specific debug info (default 0), |
None
|
dia_size
|
int | None
|
diamond type & size for motion estimation (from INT_MIN to INT_MAX) (default 0), |
None
|
last_pred
|
int | None
|
amount of motion predictors from the previous frame (from INT_MIN to INT_MAX) (default 0), |
None
|
pre_dia_size
|
int | None
|
diamond type & size for motion estimation pre-pass (from INT_MIN to INT_MAX) (default 0), |
None
|
subq
|
int | None
|
sub-pel motion estimation quality (from INT_MIN to INT_MAX) (default 8), |
None
|
me_range
|
int | None
|
limit motion vectors range (1023 for DivX player) (from INT_MIN to INT_MAX) (default 0), |
None
|
global_quality
|
int | None
|
(from INT_MIN to INT_MAX) (default 0), |
None
|
mbd
|
int | None | Literal['simple', 'bits', 'rd']
|
macroblock decision algorithm (high quality mode) (from 0 to 2) (default simple), |
None
|
rc_init_occupancy
|
int | None
|
number of bits which should be loaded into the rc buffer before decoding starts (from INT_MIN to INT_MAX) (default 0), |
None
|
threads
|
int | None | Literal['auto']
|
set the number of threads (from 0 to INT_MAX) (default 1), |
None
|
dc
|
int | None
|
intra_dc_precision (from -8 to 16) (default 0), |
None
|
nssew
|
int | None
|
nsse weight (from INT_MIN to INT_MAX) (default 8), |
None
|
profile
|
int | None | Literal['unknown', 'main10']
|
(from INT_MIN to INT_MAX) (default unknown), |
None
|
level
|
int | None | Literal['unknown']
|
encoding level, usually corresponding to the profile level, codec-specific (from INT_MIN to INT_MAX) (default unknown), |
None
|
cmp
|
int | None | Literal['sad', 'sse', 'satd', 'dct', 'psnr', 'bit', 'rd', 'zero', 'vsad', 'vsse', 'nsse', 'w53', 'w97', 'dctmax', 'chroma', 'msad']
|
full-pel ME compare function (from INT_MIN to INT_MAX) (default sad), |
None
|
subcmp
|
int | None | Literal['sad', 'sse', 'satd', 'dct', 'psnr', 'bit', 'rd', 'zero', 'vsad', 'vsse', 'nsse', 'w53', 'w97', 'dctmax', 'chroma', 'msad']
|
sub-pel ME compare function (from INT_MIN to INT_MAX) (default sad), |
None
|
mbcmp
|
int | None | Literal['sad', 'sse', 'satd', 'dct', 'psnr', 'bit', 'rd', 'zero', 'vsad', 'vsse', 'nsse', 'w53', 'w97', 'dctmax', 'chroma', 'msad']
|
macroblock compare function (from INT_MIN to INT_MAX) (default sad), |
None
|
ildctcmp
|
int | None | Literal['sad', 'sse', 'satd', 'dct', 'psnr', 'bit', 'rd', 'zero', 'vsad', 'vsse', 'nsse', 'w53', 'w97', 'dctmax', 'chroma', 'msad']
|
interlaced DCT compare function (from INT_MIN to INT_MAX) (default vsad), |
None
|
precmp
|
int | None | Literal['sad', 'sse', 'satd', 'dct', 'psnr', 'bit', 'rd', 'zero', 'vsad', 'vsse', 'nsse', 'w53', 'w97', 'dctmax', 'chroma', 'msad']
|
pre motion estimation compare function (from INT_MIN to INT_MAX) (default sad), |
None
|
mblmin
|
int | None
|
minimum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 236), |
None
|
mblmax
|
int | None
|
maximum macroblock Lagrange factor (VBR) (from 1 to 32767) (default 3658), |
None
|
bidir_refine
|
int | None
|
refine the two motion vectors used in bidirectional macroblocks (from 0 to 4) (default 1), |
None
|
keyint_min
|
int | None
|
minimum interval between IDR-frames (from INT_MIN to INT_MAX) (default 25), |
None
|
refs
|
int | None
|
reference frames to consider for motion compensation (from INT_MIN to INT_MAX) (default 1), |
None
|
trellis
|
int | None
|
rate-distortion optimal quantization (from INT_MIN to INT_MAX) (default 0), |
None
|
mv0_threshold
|
int | None
|
(from 0 to INT_MAX) (default 256), |
None
|
compression_level
|
int | None
|
(from INT_MIN to INT_MAX) (default -1), |
None
|
ch_layout
|
str | None
|
, |
None
|
channel_layout
|
str | None
|
(default 0x0), |
None
|
rc_max_vbv_use
|
float | None
|
(from 0 to FLT_MAX) (default 0), |
None
|
rc_min_vbv_use
|
float | None
|
(from 0 to FLT_MAX) (default 3), |
None
|
ticks_per_frame
|
int | None
|
(from 1 to INT_MAX) (default 1), |
None
|
color_primaries
|
int | None | Literal['bt709', 'unknown', 'bt470m', 'bt470bg', 'smpte170m', 'smpte240m', 'film', 'bt2020', 'smpte428', 'smpte428_1', 'smpte431', 'smpte432', 'jedec-p22', 'ebu3213', 'unspecified']
|
color primaries (from 1 to INT_MAX) (default unknown), |
None
|
color_trc
|
int | None | Literal['bt709', 'unknown', 'gamma22', 'gamma28', 'smpte170m', 'smpte240m', 'linear', 'log100', 'log316', 'iec61966-2-4', 'bt1361e', 'iec61966-2-1', 'bt2020-10', 'bt2020-12', 'smpte2084', 'smpte428', 'arib-std-b67', 'unspecified', 'log', 'log_sqrt', 'iec61966_2_4', 'bt1361', 'iec61966_2_1', 'bt2020_10bit', 'bt2020_12bit', 'smpte428_1']
|
color transfer characteristics (from 1 to INT_MAX) (default unknown), |
None
|
colorspace
|
int | None | Literal['rgb', 'bt709', 'unknown', 'fcc', 'bt470bg', 'smpte170m', 'smpte240m', 'ycgco', 'bt2020nc', 'bt2020c', 'smpte2085', 'chroma-derived-nc', 'chroma-derived-c', 'ictcp', 'unspecified', 'ycocg', 'bt2020_ncl', 'bt2020_cl']
|
color space (from 0 to INT_MAX) (default unknown), |
None
|
color_range
|
int | None | Literal['unknown', 'tv', 'pc', 'unspecified', 'mpeg', 'jpeg', 'limited', 'full']
|
color range (from 0 to INT_MAX) (default unknown), |
None
|
chroma_sample_location
|
int | None | Literal['unknown', 'left', 'center', 'topleft', 'top', 'bottomleft', 'bottom', 'unspecified']
|
chroma sample location (from 0 to INT_MAX) (default unknown), |
None
|
slices
|
int | None
|
set the number of slices, used in parallelized encoding (from 0 to INT_MAX) (default 0), |
None
|
thread_type
|
str | None
|
select multithreading type (default slice+frame), |
None
|
audio_service_type
|
int | None | Literal['ma', 'ef', 'vi', 'hi', 'di', 'co', 'em', 'vo', 'ka']
|
audio service type (from 0 to 8) (default ma), |
None
|
field_order
|
int | None | Literal['progressive', 'tt', 'bb', 'tb', 'bt']
|
Field order (from 0 to 5) (default 0), |
None
|
dump_separator
|
str | None
|
set information dump field separator, |
None
|
max_pixels
|
int | None
|
Maximum number of pixels (from 0 to INT_MAX) (default INT_MAX), |
None
|
max_samples
|
int | None
|
Maximum number of samples (from 0 to INT_MAX) (default INT_MAX), |
None
|
Returns:
| Type | Description |
|---|---|
FFMpegAVCodecContextEncoderOption
|
FFMpegAVCodecContextEncoderOption |
encoder_format_context(
*,
avioflags: str | None = None,
packetsize: int | None = None,
fflags: str | None = None,
fdebug: str | None = None,
max_delay: int | None = None,
start_time_realtime: int | None = None,
audio_preload: int | None = None,
chunk_duration: int | None = None,
chunk_size: int | None = None,
flush_packets: int | None = None,
metadata_header_padding: int | None = None,
output_ts_offset: str | None = None,
max_interleave_delta: int | None = None,
f_strict: (
int
| None
| Literal[
"very",
"strict",
"normal",
"unofficial",
"experimental",
]
) = None,
strict: (
int
| None
| Literal[
"very",
"strict",
"normal",
"unofficial",
"experimental",
]
) = None,
avoid_negative_ts: (
int
| None
| Literal[
"auto",
"disabled",
"make_non_negative",
"make_zero",
]
) = None,
dump_separator: str | None = None
) -> FFMpegAVFormatContextEncoderOption
Encoder format context options.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
avioflags
|
str | None
|
(default 0), |
None
|
packetsize
|
int | None
|
set packet size (from 0 to INT_MAX) (default 0), |
None
|
fflags
|
str | None
|
(default autobsf), |
None
|
fdebug
|
str | None
|
print specific debug info (default 0), |
None
|
max_delay
|
int | None
|
maximum muxing or demuxing delay in microseconds (from -1 to INT_MAX) (default -1), |
None
|
start_time_realtime
|
int | None
|
wall-clock time when stream begins (PTS==0) (from I64_MIN to I64_MAX) (default I64_MIN), |
None
|
audio_preload
|
int | None
|
microseconds by which audio packets should be interleaved earlier (from 0 to 2.14748e+09) (default 0), |
None
|
chunk_duration
|
int | None
|
microseconds for each chunk (from 0 to 2.14748e+09) (default 0), |
None
|
chunk_size
|
int | None
|
size in bytes for each chunk (from 0 to 2.14748e+09) (default 0), |
None
|
flush_packets
|
int | None
|
enable flushing of the I/O context after each packet (from -1 to 1) (default -1), |
None
|
metadata_header_padding
|
int | None
|
set number of bytes to be written as padding in a metadata header (from -1 to INT_MAX) (default -1), |
None
|
output_ts_offset
|
str | None
|
set output timestamp offset (default 0), |
None
|
max_interleave_delta
|
int | None
|
maximum buffering duration for interleaving (from 0 to I64_MAX) (default 10000000), |
None
|
f_strict
|
int | None | Literal['very', 'strict', 'normal', 'unofficial', 'experimental']
|
how strictly to follow the standards (deprecated; use strict, save via avconv) (from INT_MIN to INT_MAX) (default normal), |
None
|
strict
|
int | None | Literal['very', 'strict', 'normal', 'unofficial', 'experimental']
|
how strictly to follow the standards (from INT_MIN to INT_MAX) (default normal), |
None
|
avoid_negative_ts
|
int | None | Literal['auto', 'disabled', 'make_non_negative', 'make_zero']
|
shift timestamps so they start at 0 (from -1 to 2) (default auto), |
None
|
dump_separator
|
str | None
|
set information dump field separator (default ", "), |
None
|
Returns:
| Type | Description |
|---|---|
FFMpegAVFormatContextEncoderOption
|
FFMpegAVFormatContextEncoderOption |