ffmpeg-codecs.texi

@item refs @var{integer} (@emph{encoding,video})
Set reference frames to consider for motion compensation.

@item chromaoffset @var{integer} (@emph{encoding,video})
Set chroma qp offset from luma.

@item trellis @var{integer} (@emph{encoding,audio,video})
Set rate-distortion optimal quantization.

@item sc_factor @var{integer} (@emph{encoding,video})
Set value multiplied by qscale for each frame and added to
scene_change_score.

@item mv0_threshold @var{integer} (@emph{encoding,video})
@item b_sensitivity @var{integer} (@emph{encoding,video})
Adjust sensitivity of b_frame_strategy 1.

@item compression_level @var{integer} (@emph{encoding,audio,video})
@item min_prediction_order @var{integer} (@emph{encoding,audio})
@item max_prediction_order @var{integer} (@emph{encoding,audio})
@item timecode_frame_start @var{integer} (@emph{encoding,video})
Set GOP timecode frame start number, in non drop frame format.

@item request_channels @var{integer} (@emph{decoding,audio})
Set desired number of audio channels.

@item bits_per_raw_sample @var{integer}
@item channel_layout @var{integer} (@emph{decoding/encoding,audio})

Possible values:
@table @samp
@end table
@item request_channel_layout @var{integer} (@emph{decoding,audio})

Possible values:
@table @samp
@end table
@item rc_max_vbv_use @var{float} (@emph{encoding,video})
@item rc_min_vbv_use @var{float} (@emph{encoding,video})
@item ticks_per_frame @var{integer} (@emph{decoding/encoding,audio,video})
@item color_primaries @var{integer} (@emph{decoding/encoding,video})
@item color_trc @var{integer} (@emph{decoding/encoding,video})
@item colorspace @var{integer} (@emph{decoding/encoding,video})
@item color_range @var{integer} (@emph{decoding/encoding,video})
@item chroma_sample_location @var{integer} (@emph{decoding/encoding,video})

@item log_level_offset @var{integer}
Set the log level offset.

@item slices @var{integer} (@emph{encoding,video})
Number of slices, used in parallelized encoding.

@item thread_type @var{flags} (@emph{decoding/encoding,video})
Select multithreading type.

Possible values:
@table @samp
@item slice

@item frame

@end table
@item audio_service_type @var{integer} (@emph{encoding,audio})
Set audio service type.

Possible values:
@table @samp
@item ma
Main Audio Service
@item ef
Effects
@item vi
Visually Impaired
@item hi
Hearing Impaired
@item di
Dialogue
@item co
Commentary
@item em
Emergency
@item vo
Voice Over
@item ka
Karaoke
@end table

@item request_sample_fmt @var{sample_fmt} (@emph{decoding,audio})
Set sample format audio decoders should prefer. Default value is
@code{none}.

@item pkt_timebase @var{rational number}
@end table

@c man end CODEC OPTIONS

@include decoders.texi
@include encoders.texi

@ignore

@setfilename ffmpeg-codecs
@settitle FFmpeg codecs

@c man begin SEEALSO
ffmpeg(1), ffplay(1), ffprobe(1), ffserver(1), libavcodec(3)
@c man end

@c man begin AUTHORS
See Git history (git://source.ffmpeg.org/ffmpeg)
@c man end

@end ignore

@bye