ConvertOnline

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1. Convert Online
2. Video Converters
3. FLV to MPEG

{
  "convert": "flv-mpeg",
  "multiple": true,
  "from": "flv",
  "to": "mpeg",
  "controls": [
    {
      "type": "number",
      "name": "vframes",
      "label": "Number of Frames",
      "optional": true,
      "range": {
        "min": 1,
        "max": 100000
      },
      "desc": "Limits the output to a specific number of video frames. Useful for creating short previews or trimming output length."
    },
    {
      "type": "number",
      "name": "framerate",
      "label": "Frame Rate (fps)",
      "optional": true,
      "range": {
        "min": 1,
        "max": 240
      },
      "defaultValue": 30,
      "desc": "Sets the output video frame rate in frames per second. Higher frame rates make motion smoother but increase file size."
    },
    {
      "type": "text",
      "name": "resolution",
      "label": "Resolution (WxH)",
      "placeholder": "1920x1080",
      "optional": true,
      "desc": "Sets the output video resolution. Use format WxH (e.g., 1280x720) or leave blank to keep the original resolution."
    },
    {
      "type": "dropdown",
      "name": "aspect",
      "label": "Aspect Ratio",
      "options": [
        {
          "label": "4:3",
          "value": "4:3"
        },
        {
          "label": "16:9",
          "value": "16:9"
        },
        {
          "label": "1.3333",
          "value": "1.3333"
        },
        {
          "label": "1.7777",
          "value": "1.7777"
        }
      ],
      "optional": true,
      "desc": "Sets the display aspect ratio of the video. Common values are 4:3 for standard and 16:9 for widescreen."
    },
    {
      "type": "number",
      "name": "bits_per_raw_sample",
      "label": "Bits Per Raw Sample",
      "optional": true,
      "range": {
        "min": 8,
        "max": 16
      },
      "desc": "Sets the number of bits per raw video sample. Typically 8 for standard video; higher values improve quality but increase size."
    },
    {
      "type": "dropdown",
      "name": "video_codec",
      "label": "Video Codec",
      "options": [
        {
          "label": "Auto (FFmpeg default)",
          "value": ""
        },
        {
          "label": "Copy (no re-encoding)",
          "value": "copy"
        },
        {
          "label": "MPEG-2 Video",
          "value": "mpeg2video"
        }
      ],
      "defaultValue": "",
      "desc": "Forces a specific video codec. 'Copy' skips re-encoding, preserving original quality and speed but limiting compatibility."
    },
    {
      "type": "number",
      "name": "video_bitrate",
      "label": "Video Bitrate (kbps)",
      "optional": true,
      "range": {
        "min": 100,
        "max": 50000
      },
      "defaultValue": 2500,
      "desc": "Sets the target video bitrate in kilobits per second. Higher values improve quality but increase file size."
    },
    {
      "type": "text",
      "name": "timecode",
      "label": "Timecode Start",
      "placeholder": "00:00:00:00",
      "optional": true,
      "desc": "Sets the initial timecode for the video in hh:mm:ss:ff format. Useful for broadcast or sync purposes."
    },
    {
      "type": "text",
      "name": "video_filters",
      "label": "Video Filters",
      "placeholder": "scale=1280:720,transpose=1",
      "optional": true,
      "desc": "Applies one or more FFmpeg video filters (comma-separated). Examples: scaling, rotation, cropping."
    },
    {
      "type": "dropdown",
      "name": "pass",
      "label": "Encoding Pass",
      "options": [
        {
          "label": "1-pass (faster)",
          "value": 1
        },
        {
          "label": "2-pass (better quality)",
          "value": 2
        }
      ],
      "defaultValue": 1,
      "desc": "Selects the encoding pass mode. 2-pass produces better quality at a given bitrate but takes longer."
    },
    {
      "type": "checkbox",
      "name": "disable_video",
      "label": "Disable Video",
      "defaultValue": false,
      "desc": "Removes the video stream entirely, keeping only the audio track."
    },
    {
      "type": "checkbox",
      "name": "disable_data",
      "label": "Disable Data Streams",
      "defaultValue": false,
      "desc": "Removes data streams such as subtitles, closed captions, or metadata from the output."
    }
  ],
  "type": "video",
  "operation": "convert"
}