/usr/share/mlt/avformat/consumer

schema_version: 0.1
type: consumer
identifier: avformat
title: FFmpeg Output
version: 2
copyright: Copyright (C) 2003-2011 Ushodaya Enterprises Limited
license: LGPL
language: en
url: http://www.ffmpeg.org/
creator: Charles Yates
contributor:
  - Dan Dennedy
tags:
  - Audio
  - Video
description: Write or stream audio and/or video using FFmpeg
parameters:
  - identifier: argument
    title: File/URL
    type: string
    required: yes
    widget: filesave
  - identifier: target
    title: File/URL
    type: string
    description: This is not the same thing as the ffmpeg -target option!
    readonly: yes
  - identifier: mlt_profile
    title: MLT Profile
    type: string
    description: >
      Choose a MLT basic video settings preset.
      This overrides a profile that may have been set elsewhere.
  - identifier: redirect
    title: Redirect I/O
    description: >
      This option allows other services to encapsulate the avformat consumer and
      do something different (not already available in a protocol) with its
      output by listening to the avformat-write event.
    type: integer
    minimum: 0
    maximum: 1
    default: 0
    widget: checkbox

# These override the MLT profile
  - identifier: width
    title: Width
    type: integer
    minimum: 0
    unit: pixels
  - identifier: height
    title: Height
    type: integer
    minimum: 0
    unit: pixels
  - identifier: display_aspect_num
    title: Display aspect ratio numerator
    type: integer
    minimum: 0
  - identifier: display_aspect_den
    title: Display aspect ratio denominator
    type: integer
    minimum: 0
  - identifier: display_ratio
    title: Display aspect ratio
    readonly: yes
  - identifier: sample_aspect_num
    title: Sample aspect ratio numerator
    type: integer
    minimum: 0
  - identifier: sample_aspect_den
    title: Sample aspect ratio denominator
    type: integer
    minimum: 1
  - identifier: progressive
    title: Progressive
    type: integer
    minimum: 0
    maximum: 1
    widget: checkbox
  - identifier: colorspace
    title: Colorspace
    type: integer
    description: Set the video colorspace (Y'CbCr only).
    values:
      - 240 # SMPTE 240M
      - 601 # ITU-R BT.601
      - 709 # ITU-R BT.709
  - identifier: frame_rate_num
    title: Frame rate numerator
    type: integer
    minimum: 0
    unit: frames/second
  - identifier: frame_rate_den
    title: Frame rate denominator
    type: integer
    minimum: 1
    unit: frames/second
  - identifier: fps
    title: Frame rate
    readonly: yes
    unit: frames/second

# These are common to all consumers.
  - identifier: deinterlace_method
    title: Deinterlacer
    type: string
    default: yadif
    values:
      - greedy
      - linearblend
      - onefield
      - yadif
      - yadif-nospatial
  - identifier: rescale
    title: Image scaler
    type: string
    description: Set the pixel interpolation mode.
    values:
      - nearest
      - bilinear
      - bicubic
      - bicublin
      - gauss
      - sinc
      - lanczos
      - spline
  - identifier: frequency
    title: Audio sample rate
    type: integer
    minimum: 0
    maximum: 256000
    default: 48000
    unit: Hz
  - identifier: channels
    title: Audio channels
    type: integer
    minimum: 1
    maximum: 16
    default: 2
  - identifier: channels.0
    title: Channels on track 1
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.1
    title: Channels on track 2
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.2
    title: Channels on track 3
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.3
    title: Channels on track 4
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.4
    title: Channels on track 5
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.5
    title: Channels on track 6
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.6
    title: Channels on track 7
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0
  - identifier: channels.7
    title: Channels on track 8
    type: integer
    description: Used to map a bundle of channels to multi-track audio.
    minimum: 0
    maximum: 16
    default: 0

# These are common to all consumers and affect runtime behavior
  - identifier: terminate_on_pause
    title: File output
    type: integer
    description: Disable this for streaming.
    minimum: 0
    maximum: 1
    default: 1
    widget: checkbox
  - identifier: real_time
    title: Drop frames
    type: integer
    description: >
      Set the number of processing threads and enable frame-dropping (positive)
      or disable frame-dropping (negative).
    default: -1
    widget: spinner
    unit: threads
  - identifier: prefill
    title: Pre-roll
    type: integer
    description: Set the number of frames to buffer before starting actual output.
    minimum: 1
    default: 1
    unit: frames
  - identifier: buffer
    title: Buffer
    type: integer
    description: >
      Set the maximum number of frames to buffer - process ahead of the output
      position.
    minimum: 1
    default: 25
    unit: frames

# These are ffmpeg-compatible aliases to MLT properties
  - identifier: s
    title: Size
    type: string
    description: >
      This is a ffmpeg-compatible equivalent to the MLT profile and width and height parameters.
    format: WxH
    unit: pixels
  - identifier: aspect
    title: Aspect ratio
    type: string
    description: >
      This is a ffmpeg-compatible equivalent to the MLT profile and other aspect ratio parameters.
    format: numerator:denominator
  - identifier: deinterlace
    title: Deinterlace
    type: integer
    description: >
      This is a ffmpeg-compatible equivalent to the MLT profile and progressive parameter.
    minimum: 0
    maximum: 1
  - identifier: r
    title: Frame rate
    type: float
    description: >
      This is a ffmpeg-compatible equivalent to the MLT profile and frame rate parameters.
    minimum: 5.0
  - identifier: ac
    title: Audio channels
    type: integer
    description: >
      This is a ffmpeg-compatible equivalent to the channels parameter.
    minimum: 1
    maximum: 16
    default: 2
  - identifier: ar
    title: Audio sample rate
    type: integer
    description: >
      This is a ffmpeg-compatible equivalent to the frequency parameter.
    minimum: 0
    maximum: 256000
    default: 48000
    unit: Hz

# These are other non-AVOption parameters specific to FFmpeg.
  - identifier: threads
    title: Encoding threads
    type: integer
    minimum: 0
    maximum: 16
    default: 1
    widget: spinner
    unit: threads
  - identifier: aq
    title: Audio quality
    type: integer
    description: The meaning depends upon the codec.
  - identifier: dc
    title: Intra DC precision
    type: integer
    default: 8
  - identifier: muxdelay
    title: Muxer delay
    type: float
    description: Set the maximum demux-decode delay.
    default: 0.7
    unit: seconds
  - identifier: muxpreload
    title: Muxer preload
    type: float
    description: Set the initial demux-decode delay.
    default: 0.5
    unit: seconds
  - identifier: f
    title: Format
    type: string
    description: Use "list" to see the list of formats.
    default: mpeg
  - identifier: acodec
    title: Audio codec
    description: Use "list" to see the list of audio codecs.
    default: mp2
  - identifier: vcodec
    title: Video codec
    description: Use "list" to see the list of video codecs.
    default: mpeg2video
  - identifier: atag
    title: Audio FourCC
    type: string
  - identifier: apre
    title: Audio codec preset
    type: string
  - identifier: vpre
    title: Video codec preset
    type: string
  - identifier: fpre
    title: Format preset
    type: string
  - identifier: alang
    title: Audio language
    type: string
    description: Set the 3-character ISO 639 language code of the current audio stream.
  - identifier: pix_fmt
    title: Pixel format
    type: string
    description: >
      See 'ffmpeg -pix_fmt list' to see a list of values.
      Normally, this is not required, but some codecs support multiple pixel
      formats, especially chroma bit-depth.
  - identifier: qscale
    title: Video quantizer
    type: float
    description: Set a fixed video quantizer scale for constant quality VBR output.
  - identifier: vtag
    title: Video FourCC
    type: string
  - identifier: rc_override
    title: Rate control
    type: string
    format: start_frame,end_frame,qscale/...
    description: This is an override for specific intervals.
  - identifier: pass
    title: Pass
    type: integer
    description: Select the pass number for two-pass encoding.
    minimum: 1
    maximum: 2
  - identifier: passlogfile
    title: Two-pass log file
    type: string
  - identifier: vb
    title: Video bitrate
    type: string
    unit: bits/second
    description: >
      Normally this is an integer, but you can append a K suffix for convenience.
    minimum: 0
  - identifier: ab
    title: Audio bitrate
    type: string
    unit: bits/second
    description: >
      Normally this is an integer, but you can append a K suffix for convenience.
  - identifier: an
    title: Disable audio
    type: integer
    minimum: 0
    maximum: 1
    widget: checkbox
  - identifier: vn
    title: Disable video
    type: integer
    minimum: 0
    maximum: 1
    widget: checkbox
libmlt-data 0.9.2-2 / usr / share / mlt / avformat / consumer_avformat.yml
