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Ltx 2.3 Quality · Outpaint

Integrar

ID dal model ltx-2.3-quality/outpaint
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/ltx-2.3-quality/outpaint?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Datotecas sco l'exempel: $0,27 270 credits API tias datotecas vegnan mesiradas avant l'execuziun Lantschar sin questa pagina

Obtegna ina clav API
Lightricks · Video

Tes emprim resultat vegn qua

Construis ina dumonda sutvart e l'exequescha cun tia clav API. Outputs vegnan copiads en nossa memorisaziun, conservads per adina u 7 dis gratuitamain.

Construir ina dumonda

Ils controls vegnan generads dal schema dal model. Il code e ​​il pretsch s'actualiseschan durant che ti als midas.

•obligatori

Text che maina la generaziun da las regiuns outpaintadas dal video.

•obligatori video_url
Trametta in datoteca u

Video d’origin, dals quals ils cunfins spazials vegnan prolungads tras outpainting.

aspect_ratio standard 16:9

Ratio d’aspect per l’outpainting; per exempel po in input 4:3 vegnir engrandì a 16:9. Tscherner in ratio different da quel da l’origin per prolungar il frame netamain.

output_resolution standard 720p

Nivel da resoluziun da l’output, standard a l’opziun equilibrada 720p. Tscherner 480p per ina generaziun pli svelta u 1080p per ina canvass pli gronda, sch’ella resta entaifer las limitas LTX.

resolution standard landscape_16_9

Exactas dimensiuns dal canvas cun la configuraziun legacy, mantegnida per cumpatibilitad retroactiva. Novas dumondas duain utilisar `aspect_ratio` ensemen cun `output_resolution`.

standard 121

Dumber da frames per l'output generà.

Avanzà negative_prompt · video_quality · video_write_mode · source_scale · video_strength · frames_per_second · num_inference_steps · guidance_scale · seed · enable_prompt_expansion · enable_safety_checker
standard color distortion, ove...

Prompt negativ che specifiescha da tge che la generaziun duai evitar.

video_quality standard high

Preset da qualitad applitgà al video d’output.

video_write_mode standard balanced

Modus da scriver per il video resultà.

standard 1

Scala dal video d'origin entaifer il canvas da destinaziun avant l'outpainting; reducirla introduzescha in ur da zoom-out e fa ils resultats pli instabels. Per in'expansiun reala da la proporziun, per exempel da 4:3 a 16:9, è la configuraziun recumandada 1.0, che fa entrar l'origin en la grondezza maximala pussaivla entaifer il canvas.

standard 1

Controlla quant dal video original vegn mantegnì entaifer il canvas outpainted cun la guida video IC-LoRA; ina forza pli gronda mantegn l'origin pli exactamain.

standard 24

Frame rate dal video d’output, mesirà en frames per secunda.

standard 15

Definir quants pass d’inferenza da far, fin a 30; senza midada vegnan utilisads 15.

standard 1

Ajustar la classifier-free guidance cun questa scala; la configuraziun standard mira a qualitad auta e generaziun svelta.

Seed che renda la generaziun reproducibla. Cun definir None vegn tschernì in seed casualmain.

POST /run/ltx-2.3-quality/outpaint?wait=20 calculaziun → $0,27
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/ltx-2.3-quality/outpaint?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "video": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Executar questa dumonda

Tia clav resta en quest browser: ella vegn tramessa mo al Doitong API e memorisada (localStorage) mo sch'ella scheccas Tiar a memoria. Obtegnair ina clav API

Davart Ltx 2.3 Quality · Outpaint

Expandescha spazialmain in video da funtauna sin ina nova tela. Tscherna ina `aspect_ratio` da destinaziun (21:9, 16:9, 4:3, 1:1, 3:4, 9:16 u 9:21) ed ina `output_resolution` da 480p, 720p u 1080p. `source_scale` (0.25 to 1) fixescha quant grond che l'original è en la tela, e `video_strength` controlla quant da quel che vegn mantegnì. In `prompt` gida a generar las novas zonas.

Parameters

Invia u il num canonic u il num nativ, betg omaduas. Nums canonics

NumTip StandardPermess Descripziun
promptobligatori
Tipstring
Text che maina la generaziun da las regiuns outpaintadas dal video.
video_urlobligatori video
Tipurl · video
Video d’origin, dals quals ils cunfins spazials vegnan prolungads tras outpainting.
aspect_ratioopziunal
Tipenum
Standard16:9
21:916:94:31:13:49:169:21
Ratio d’aspect per l’outpainting; per exempel po in input 4:3 vegnir engrandì a 16:9. Tscherner in ratio different da quel da l’origin per prolungar il frame netamain.
output_resolutionopziunal
Tipenum
Standard720p
480p720p1080p
Nivel da resoluziun da l’output, standard a l’opziun equilibrada 720p. Tscherner 480p per ina generaziun pli svelta u 1080p per ina canvass pli gronda, sch’ella resta entaifer las limitas LTX.
resolutionopziunal
Tipobject
Standardlandscape_16_9
autosquare_hdsquareportrait_4_3portrait_16_9landscape_4_3landscape_16_9
Exactas dimensiuns dal canvas cun la configuraziun legacy, mantegnida per cumpatibilitad retroactiva. Novas dumondas duain utilisar `aspect_ratio` ensemen cun `output_resolution`.
source_scaleopziunal
Tipnumber
Standard1
0,25 – 1
Scala dal video d'origin entaifer il canvas da destinaziun avant l'outpainting; reducirla introduzescha in ur da zoom-out e fa ils resultats pli instabels. Per in'expansiun reala da la proporziun, per exempel da 4:3 a 16:9, è la configuraziun recumandada 1.0, che fa entrar l'origin en la grondezza maximala pussaivla entaifer il canvas.
video_strengthopziunal
Tipnumber
Standard1
0 – 1
Controlla quant dal video original vegn mantegnì entaifer il canvas outpainted cun la guida video IC-LoRA; ina forza pli gronda mantegn l'origin pli exactamain.
num_framesopziunal
Tipinteger
Standard121
9 – 481
Dumber da frames per l'output generà.
frames_per_secondopziunal
Tipnumber
Standard24
1 – 60
Frame rate dal video d’output, mesirà en frames per secunda.
num_inference_stepsopziunal
Tipinteger
Standard15
8 – 30
Definir quants pass d’inferenza da far, fin a 30; senza midada vegnan utilisads 15.
guidance_scaleopziunal
Tipnumber
Standard1
1 – 20
Ajustar la classifier-free guidance cun questa scala; la configuraziun standard mira a qualitad auta e generaziun svelta.
generate_audioopziunal
Tipboolean
Standardtrue
Interrupziun da la pista audio per l’MP4 restituì: deactivada producescha ina datoteca mo cun video, activada includa audio.
negative_promptopziunal
Tipstring
Standardcolor distortion, overexposure, static, blurry details, subtitles, style, artwork, painting, frame, still, dim overall tone, worst quality, low quality, JPEG compression artifacts, ugly, mutilated, extra fingers, poorly drawn hands, poorly drawn face, deformed, disfigured, malformed limbs, fused fingers, motionless frame, cluttered background, three legs, crowded background, walking backwards
Prompt negativ che specifiescha da tge che la generaziun duai evitar.
seedopziunal
Tipinteger | null
Seed che renda la generaziun reproducibla. Cun definir None vegn tschernì in seed casualmain.
enable_prompt_expansionopziunal
Tipboolean
Standardtrue
Controlla sche l'expansiun dal prompt è activada.
enable_safety_checkeropziunal
Tipboolean
Standardtrue
Controllescha sche la verificaziun da segirezza è activada.
video_qualityopziunal
Tipenum
Standardhigh
lowmediumhighmaximum
Preset da qualitad applitgà al video d’output.
video_write_modeopziunal
Tipenum
Standardbalanced
fastbalancedsmall
Modus da scriver per il video resultà.
obligatori Num canonic, er acceptà

Ils parameters da datotecas acceptan ina URL publica https://, ina URI data: fin a 10 MB u il file_url d'ina chargiada. Datotecas

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "ltx-2.3-quality/outpaint",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 270,
    "usd": "0.27",
    "charged": 270,
    "refunded": 0
  },
  "input": {
    "prompt": "A red fox trots through fresh snow at sunrise, soft golden light, shallow depth of field",
    "video_url": "https://content.doitong.com/video/showcase/v3/gen_fox_cartoon.mp4"
  },
  "output": {
    "video": {
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_name": "0-output.mp4",
      "file_size": 1843200
    },
    "seed": 42,
    "prompt": "string"
  },
  "outputs": [
    {
      "type": "video",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.mp4",
      "content_type": "video/mp4",
      "file_size": 1843200,
      "width": 1280,
      "height": 720,
      "duration": 5,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Tias datotecas, tia decisiunMintga outputs[].url è ina copia en nossa memorisaziun: conservada per adina (pajà per GB-mes) u 7 dis gratuitamain, tenor la configuraziun dal conto u ?storage=.
La medema structura per mintga modeltype, url, content_type, width, height e duration, tant per maletgs sco per video e audio. output è l'object da resultat dal model sez.
Champs da l'output
video
object {url, content_type, file_name, file_size}Video producì dal model.
seed
integerSeed effectiv applitgà durant la generaziun.
prompt
stringPrompt da generaziun, inclusiv eventuala expansiun applitgada avant l’utilisaziun.

Dapli models: Video a video

Per agents AI: questa pagina sco Markdown è disponibla sut https://doitong.com/rm/developers/models/ltx-2.3-quality/outpaint.md. Tut ils models e las guidas: https://doitong.com/developers/llms.txt