Use internal 2pass ratecontrol in second pass mode.
@item gray
Only decode/encode grayscale.
-@item emu_edge
-Do not draw edges.
@item psnr
Set error[?] variables during encoding.
@item truncated
+Input bitstream might be randomly truncated.
+@item drop_changed
+Don't output frames whose parameters differ from first decoded frame in stream.
+Error AVERROR_INPUT_CHANGED is returned when a frame is dropped.
@item ildct
Use interlaced DCT.
platforms. Its primary use is for regression testing.
@item aic
Apply H263 advanced intra coding / mpeg4 ac prediction.
-@item cbp
-Deprecated, use mpegvideo private options instead.
-@item qprd
-Deprecated, use mpegvideo private options instead.
@item ilme
Apply interlaced motion estimation.
@item cgop
Use closed gop.
+@item output_corrupt
+Output even potentially corrupted frames.
@end table
-@item me_method @var{integer} (@emph{encoding,video})
-Set motion estimation method.
-
-Possible values:
-@table @samp
-@item zero
-zero motion estimation (fastest)
-@item full
-full motion estimation (slowest)
-@item epzs
-EPZS motion estimation (default)
-@item esa
-esa motion estimation (alias for full)
-@item tesa
-tesa motion estimation
-@item dia
-dia motion estimation (alias for epzs)
-@item log
-log motion estimation
-@item phods
-phods motion estimation
-@item x1
-X1 motion estimation
-@item hex
-hex motion estimation
-@item umh
-umh motion estimation
-@item iter
-iter motion estimation
-@end table
-
-@item extradata_size @var{integer}
-Set extradata size.
-
@item time_base @var{rational number}
Set codec time base.
@item b_qfactor @var{float} (@emph{encoding,video})
Set qp factor between P and B frames.
-@item rc_strategy @var{integer} (@emph{encoding,video})
-Set ratecontrol method.
-
-@item b_strategy @var{integer} (@emph{encoding,video})
-Set strategy to choose between I/P/B-frames.
-
-@item ps @var{integer} (@emph{encoding,video})
-Set RTP payload size in bytes.
-
-@item mv_bits @var{integer}
-@item header_bits @var{integer}
-@item i_tex_bits @var{integer}
-@item p_tex_bits @var{integer}
-@item i_count @var{integer}
-@item p_count @var{integer}
-@item skip_count @var{integer}
-@item misc_bits @var{integer}
-@item frame_bits @var{integer}
@item codec_tag @var{integer}
@item bug @var{flags} (@emph{decoding,video})
Workaround not auto detected encoder bugs.
@table @samp
@item autodetect
-@item old_msmpeg4
-some old lavc generated msmpeg4v3 files (no autodetection)
@item xvid_ilace
Xvid interlacing bug (autodetected if fourcc==XVIX)
@item ump4
padding bug (autodetected)
@item amv
-@item ac_vlc
-illegal vlc bug (autodetected per fourcc)
@item qpel_chroma
@item std_qpel
trancated frames
@end table
-@item lelim @var{integer} (@emph{encoding,video})
-Set single coefficient elimination threshold for luminance (negative
-values also consider DC coefficient).
-
-@item celim @var{integer} (@emph{encoding,video})
-Set single coefficient elimination threshold for chrominance (negative
-values also consider dc coefficient)
-
@item strict @var{integer} (@emph{decoding/encoding,audio,video})
Specify how strictly to follow the standards.
@item block_align @var{integer}
-@item mpeg_quant @var{integer} (@emph{encoding,video})
-Use MPEG quantizers instead of H.263.
-
-@item qsquish @var{float} (@emph{encoding,video})
-How to keep quantizer between qmin and qmax (0 = clip, 1 = use
-differentiable function).
-
-@item rc_qmod_amp @var{float} (@emph{encoding,video})
-Set experimental quantizer modulation.
-
-@item rc_qmod_freq @var{integer} (@emph{encoding,video})
-Set experimental quantizer modulation.
-
@item rc_override_count @var{integer}
-@item rc_eq @var{string} (@emph{encoding,video})
-Set rate control equation. When computing the expression, besides the
-standard functions defined in the section 'Expression Evaluation', the
-following functions are available: bits2qp(bits), qp2bits(qp). Also
-the following constants are available: iTex pTex tex mv fCode iCount
-mcVar var isI isP isB avgQP qComp avgIITex avgPITex avgPPTex avgBPTex
-avgTex.
-
@item maxrate @var{integer} (@emph{encoding,audio,video})
Set max bitrate tolerance (in bits/s). Requires bufsize to be set.
@item bufsize @var{integer} (@emph{encoding,audio,video})
Set ratecontrol buffer size (in bits).
-@item rc_buf_aggressivity @var{float} (@emph{encoding,video})
-Currently useless.
-
@item i_qfactor @var{float} (@emph{encoding,video})
Set QP factor between P and I frames.
@item i_qoffset @var{float} (@emph{encoding,video})
Set QP offset between P and I frames.
-@item rc_init_cplx @var{float} (@emph{encoding,video})
-Set initial complexity for 1-pass encoding.
-
@item dct @var{integer} (@emph{encoding,video})
Set DCT algorithm.
@item simpleneon
-@item simplealpha
-
-@item ipp
-
-@item xvidmmx
+@item xvid
@item faani
floating point AAN IDCT
@item bits_per_coded_sample @var{integer}
-@item pred @var{integer} (@emph{encoding,video})
-Set prediction method.
-
-Possible values:
-@table @samp
-@item left
-
-@item plane
-
-@item median
-
-@end table
-
@item aspect @var{rational number} (@emph{encoding,video})
Set sample aspect ratio.
@item dia_size @var{integer} (@emph{encoding,video})
Set diamond type & size for motion estimation.
+@table @samp
+@item (1024, INT_MAX)
+full motion estimation(slowest)
+@item (768, 1024]
+umh motion estimation
+@item (512, 768]
+hex motion estimation
+@item (256, 512]
+l2s diamond motion estimation
+@item [2,256]
+var diamond motion estimation
+@item (-1, 2)
+small diamond motion estimation
+@item -1
+funny diamond motion estimation
+@item (INT_MIN, -1)
+sab diamond motion estimation
+@end table
@item last_pred @var{integer} (@emph{encoding,video})
Set amount of motion predictors from the previous frame.
-@item preme @var{integer} (@emph{encoding,video})
-Set pre motion estimation.
-
@item precmp @var{integer} (@emph{encoding,video})
Set pre motion estimation compare function.
@item subq @var{integer} (@emph{encoding,video})
Set sub pel motion estimation quality.
-@item dtg_active_format @var{integer}
-
@item me_range @var{integer} (@emph{encoding,video})
Set limit motion vectors range (1023 for DivX player).
-@item ibias @var{integer} (@emph{encoding,video})
-Set intra quant bias.
-
-@item pbias @var{integer} (@emph{encoding,video})
-Set inter quant bias.
-
-@item color_table_id @var{integer}
-
@item global_quality @var{integer} (@emph{encoding,audio,video})
-@item coder @var{integer} (@emph{encoding,video})
-
-Possible values:
-@table @samp
-@item vlc
-variable length coder / huffman coder
-@item ac
-arithmetic coder
-@item raw
-raw (no encoding)
-@item rle
-run-length coder
-@item deflate
-deflate-based coder
-@end table
-
-@item context @var{integer} (@emph{encoding,video})
-Set context model.
-
@item slice_flags @var{integer}
@item mbd @var{integer} (@emph{encoding,video})
use best rate distortion
@end table
-@item stream_codec_tag @var{integer}
-
-@item sc_threshold @var{integer} (@emph{encoding,video})
-Set scene change threshold.
-
-@item lmin @var{integer} (@emph{encoding,video})
-Set min lagrange factor (VBR).
-
-@item lmax @var{integer} (@emph{encoding,video})
-Set max lagrange factor (VBR).
-
-@item nr @var{integer} (@emph{encoding,video})
-Set noise reduction.
-
@item rc_init_occupancy @var{integer} (@emph{encoding,video})
Set number of bits which should be loaded into the rc buffer before
decoding starts.
-@item flags2 @var{flags} (@emph{decoding/encoding,audio,video})
+@item flags2 @var{flags} (@emph{decoding/encoding,audio,video,subtitles})
Possible values:
@table @samp
@item fast
Allow non spec compliant speedup tricks.
-@item sgop
-Deprecated, use mpegvideo private options instead.
@item noout
Skip bitstream encoding.
@item ignorecrop
Frame data might be split into multiple chunks.
@item showall
Show all frames before the first keyframe.
-@item skiprd
-Deprecated, use mpegvideo private options instead.
@item export_mvs
Export motion vectors into frame side-data (see @code{AV_FRAME_DATA_MOTION_VECTORS})
for codecs that support it. See also @file{doc/examples/export_mvs.c}.
+@item skip_manual
+Do not skip samples and export skip information as frame side data.
+@item ass_ro_flush_noop
+Do not reset ASS ReadOrder field on flush.
@end table
-@item error @var{integer} (@emph{encoding,video})
+@item export_side_data @var{flags} (@emph{decoding/encoding,audio,video,subtitles})
-@item qns @var{integer} (@emph{encoding,video})
-Deprecated, use mpegvideo private options instead.
+Possible values:
+@table @samp
+@item mvs
+Export motion vectors into frame side-data (see @code{AV_FRAME_DATA_MOTION_VECTORS})
+for codecs that support it. See also @file{doc/examples/export_mvs.c}.
+@item prft
+Export encoder Producer Reference Time into packet side-data (see @code{AV_PKT_DATA_PRFT})
+for codecs that support it.
+@item venc_params
+Export video encoding parameters through frame side data (see @code{AV_FRAME_DATA_VIDEO_ENC_PARAMS})
+for codecs that support it. At present, those are H.264 and VP9.
+@item film_grain
+Export film grain parameters through frame side data (see @code{AV_FRAME_DATA_FILM_GRAIN_PARAMS}).
+Supported at present by AV1 decoders.
+@end table
@item threads @var{integer} (@emph{decoding/encoding,video})
Set the number of threads to be used, in case the selected codec
Default value is @samp{auto}.
-@item me_threshold @var{integer} (@emph{encoding,video})
-Set motion estimation threshold.
-
-@item mb_threshold @var{integer} (@emph{encoding,video})
-Set macroblock threshold.
-
@item dc @var{integer} (@emph{encoding,video})
Set intra_dc_precision.
@item profile @var{integer} (@emph{encoding,audio,video})
-Possible values:
-@table @samp
-@item unknown
-
-@item aac_main
-
-@item aac_low
-
-@item aac_ssr
-
-@item aac_ltp
-
-@item aac_he
-
-@item aac_he_v2
-
-@item aac_ld
-
-@item aac_eld
-
-@item mpeg2_aac_low
-
-@item mpeg2_aac_he
-
-@item mpeg4_sp
-
-@item mpeg4_core
-
-@item mpeg4_main
-
-@item mpeg4_asp
-
-@item dts
-
-@item dts_es
-
-@item dts_96_24
-
-@item dts_hd_hra
-
-@item dts_hd_ma
-
-@end table
+Set encoder codec profile. Default value is @samp{unknown}. Encoder specific
+profiles are documented in the relevant encoder documentation.
@item level @var{integer} (@emph{encoding,audio,video})
@item lowres @var{integer} (@emph{decoding,audio,video})
Decode at 1= 1/2, 2=1/4, 3=1/8 resolutions.
-@item skip_threshold @var{integer} (@emph{encoding,video})
-Set frame skip threshold.
-
-@item skip_factor @var{integer} (@emph{encoding,video})
-Set frame skip factor.
-
-@item skip_exp @var{integer} (@emph{encoding,video})
-Set frame skip exponent.
-Negative values behave identical to the corresponding positive ones, except
-that the score is normalized.
-Positive values exist primarily for compatibility reasons and are not so useful.
-
-@item skipcmp @var{integer} (@emph{encoding,video})
-Set frame skip compare function.
-
-Possible values:
-@table @samp
-@item sad
-sum of absolute differences, fast (default)
-@item sse
-sum of squared errors
-@item satd
-sum of absolute Hadamard transformed differences
-@item dct
-sum of absolute DCT transformed differences
-@item psnr
-sum of squared quantization errors (avoid, low quality)
-@item bit
-number of bits needed for the block
-@item rd
-rate distortion optimal, slow
-@item zero
-0
-@item vsad
-sum of absolute vertical differences
-@item vsse
-sum of squared vertical differences
-@item nsse
-noise preserving sum of squared differences
-@item w53
-5/3 wavelet, only used in snow
-@item w97
-9/7 wavelet, only used in snow
-@item dctmax
-
-@item chroma
-
-@end table
-
-@item border_mask @var{float} (@emph{encoding,video})
-Increase the quantizer for macroblocks close to borders.
-
@item mblmin @var{integer} (@emph{encoding,video})
Set min macroblock lagrange factor (VBR).
@item mblmax @var{integer} (@emph{encoding,video})
Set max macroblock lagrange factor (VBR).
-@item mepc @var{integer} (@emph{encoding,video})
-Set motion estimation bitrate penalty compensation (1.0 = 256).
-
@item skip_loop_filter @var{integer} (@emph{decoding,video})
@item skip_idct @var{integer} (@emph{decoding,video})
@item skip_frame @var{integer} (@emph{decoding,video})
@item nokey
Discard all frames excepts keyframes.
+@item nointra
+Discard all frames except I frames.
+
@item all
Discard all frames.
@end table
@item bidir_refine @var{integer} (@emph{encoding,video})
Refine the two motion vectors used in bidirectional macroblocks.
-@item brd_scale @var{integer} (@emph{encoding,video})
-Downscale frames for dynamic B-frame decision.
-
@item keyint_min @var{integer} (@emph{encoding,video})
Set minimum interval between IDR-frames.
@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 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})
BT.2020 CL
@item smpte2085
SMPTE 2085
+@item chroma-derived-nc
+Chroma-derived NCL
+@item chroma-derived-c
+Chroma-derived CL
+@item ictcp
+ICtCp
@end table
@item color_range @var{integer} (@emph{decoding/encoding,video})
@item dump_separator @var{string} (@emph{input})
Separator used to separate the fields printed on the command line about the
Stream parameters.
-For example to separate the fields with newlines and indention:
+For example, to separate the fields with newlines and indentation:
@example
ffprobe -dump_separator "
" -i ~/videos/matrixbench_mpeg2.mpg
projects / ffmpeg / blobdiff