FFEncoder OutputOptions

Most of the members of TInputOptions and TOutputOptions are according to the parameters of ffmpeg command line tool. Please refer to http://www.ffmpeg.org/ffmpeg-doc.html for detail.

Abbreviations

• PCR - Program Clock Reference
• STC - System Time Clock
• SCR - System Clock Reference
• PTS - Presentation Time Stamp
• DTS - Decode Time Stamp

Enumerations

  TOptionTargetType = (ttIgnore, ttVCD, ttSVCD, ttDVD);
  TOptionNormType = (ntAuto, ntPAL, ntNTSC);
  TOptionNormDefault = ntPAL..ntNTSC;

StreamInfo

  (* stream info *)
  TStreamInfo = record
    // -timestamp time: set the timestamp
    TimeStamp: TDateTime;  // !!! differ with FFmpeg parameter
    // -metadata year=number: set the year
    Year: Integer;  (**< ID3 year, 0 if none *)
    // -metadata track=number: set the track
    Track: Integer; (**< track number, 0 if none *)
    // -metadata title=string: set the title
    Title: AnsiString;
    // -metadata author=string: set the author
    Author: AnsiString;
    // -metadata copyright=string: set the copyright
    Copyright: AnsiString;
    // -metadata comment=string: set the comment
    Comment: AnsiString;
    // -metadata album=string: set the album
    Album: AnsiString;
    // -metadata genre=string: set the genre
    Genre: AnsiString; (**< ID3 genre *)
  end;

OutputOptions

  POutputOptions = ^TOutputOptions;
  TOutputOptions = record
    FileName: WideString;
    FileExt: string;
 
    // -f fmt: force format
    ForceFormat: string;
 
    // -packetsize <int>: E.... set packet size
    PacketSize: Integer;
    // -muxrate <int>: E.... set mux rate
    MuxRate: Integer;
    // -muxdelay seconds: set the maximum demux-decode delay
    MuxDelay: Single;
    // -muxpreload seconds: set the initial demux-decode delay
    MuxPreload: Single;
 
    // -acodec codec: force audio codec ('copy' to copy stream)
    AudioCodec: string;
    // -apre preset: set the audio options to the indicated preset
    AudioPreset: string;
    // -an: disable audio
    DisableAudio: Boolean;
    // -vol volume: change audio volume (256=normal)
    AudioVolume: Integer;
    // -ac channels: set number of audio channels
    AudioChannels: Integer;
    // -ar rate: set audio sampling rate (in Hz)
    AudioSampleRate: Integer;
    // -ab bitrate: set bitrate (in bits/s)
    AudioBitrate: Integer;
    // -abt <int>: E.A.. set audio bitrate tolerance (in bits/s)
    AudioBitRateTolerance: Integer;
    // -alang code: set the ISO 639 language code (3 letters) of the current audio stream
    AudioLanguage: string;
    // -async: audio sync method
    AudioSyncMethod: Integer;
    // -atag fourcc/tag: force audio tag/fourcc
    AudioTag: string;
 
    // -vcodec codec: force video codec ('copy' to copy stream)
    VideoCodec: string;
    // -vpre preset: set the video options to the indicated preset
    VideoPreset: string;
    // -vn: disable video
    DisableVideo: Boolean;
    // -r fps: set frame rate (Hz value, fraction or abbreviation)
    FrameRate: string;
    // -s size: set frame size (WxH or abbreviation)
    FrameSize: string;
    // -aspect aspect: set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)
    FrameAspectRatio: string;
    // -croptop size: set top crop band size (in pixels)
    CropTop: Integer;
    // -cropbottom size: set bottom crop band size (in pixels)
    CropBottom: Integer;
    // -cropleft size: set left crop band size (in pixels)
    CropLeft: Integer;
    // -cropright size: set right crop band size (in pixels)
    CropRight: Integer;
 
    // -g gop_size: set the group of pictures size
    GroupPictureSize: Integer;
    // -b/vb bitrate: set bitrate (in bits/s)
    VideoBitrate: Integer;
    // -maxrate bitrate: set max video bitrate (in bit/s)
    VideoMaxRate: Integer;
    // -minrate bitrate: Set min video bitrate (in bit/s)
    VideoMinRate: Integer;
    // -bt <int>: E.V.. set video bitrate tolerance (in bits/s)
    VideoBitRateTolerance: Integer;
    // -bufsize size: Set video buffer verifier buffer size (in bits)
    VideoBufSize: Integer;
    // -vsync: video sync method
    VideoSyncMethod: Integer;
    // -vtag fourcc/tag: force video tag/fourcc
    VideoTag: string;
    // -vfilters filter list: video filters
    VideoFilters: string;
    // -vlang code: set the ISO 639 language code (3 letters) of the current video stream
    VideoLanguage: string;
 
    // -scodec codec: force subtitle codec ('copy' to copy stream)
    SubtitleCodec: string;
    // -spre preset: set the subtitle options to the indicated preset
    SubtitlePreset: string;
    // -sn: disable subtitle
    DisableSubtitle: Boolean;
    // -slang code: set the ISO 639 language code (3 letters) of the current subtitle stream
    SubtitleLanguage: string;
 
    // Audio/Video grab options:
    // -isync: sync read on input
    InputSync: Boolean;
 
    // -copyts: copy timestamps
    CopyTimestamp: Boolean;
    // -ss position: set the start time offset
    TimeStart: Int64; // microsecond!!! differ with FFmpeg parameter
    // -t duration: record or transcode "duration" seconds of audio/video
    TimeLength: Int64; // microsecond!!! differ with FFmpeg parameter
    Info: TStreamInfo;
 
    // -target type: specify target file type
    // ("vcd", "svcd", "dvd", "dv", "dv50", "pal-vcd", "ntsc-svcd", ...)
    TargetType: TOptionTargetType;
    NormType: TOptionNormType;
    NormDefault: TOptionNormDefault;
 
    // whether enable OnAudioHook event
    AudioHook: Boolean;
 
    // whether enable OnVideoInputHook event
    VideoInputHook: Boolean;
    // whether enable OnVideoOutputHook event
    VideoOutputHook: Boolean;
    // specifies the number of adjacent color bits on each plane needed to define a pixel.
    // one of (8, 15[555, BI_RGB], 16[565, BI_BITFIELDS], 24, 32),
    // default is 24 for VCL and 32 for ActiveX
    VideoHookBitsPixel: Integer;
 
    // join all input files to this one output file
    Join: Boolean;
 
    // extended options for flexibility
    // Format: name1=value1<CRLF>name2=value2<CRLF>...nameN=valueN<CRLF>
    //         name and value correspond to ffmpeg.exe's parameters
    //         e.g. "pix_fmt=yuv422p<CRLF>aspect=16:9<CRLF>"
    ExtOptions: string;
 
    // used for your special purpose
    Tag: Integer;
    Data: Pointer;
  end;

OutputOptions Initialization