Ruka hadi kwenye maudhui

LTX-2.3 22B · Extend Video

Unganisha

Kitambulisho cha modeli ltx-2.3-22b/extend-video
# 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-2.3-22b/extend-video?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"

Faili kama mfano: $ 0.18 salio za API 180 faili zako hupimwa kabla ya kuendesha Iendeshe kwenye ukurasa huu

Pata ufunguo wa API
Lightricks · Video

Tokeo lako la kwanza linaonekana hapa

Unda ombi hapa chini na uliendeshe kwa ufunguo wako wa API. Matokeo yanakiliwa kwenye hifadhi yetu, yakihifadhiwa milele au 7 siku bila malipo.

Unda ombi

Vidhibiti vinazalishwa kutoka kwenye schema ya modeli. Msimbo na bei husasishwa unapovibadilisha.

•inahitajika

Kidokezo kinachotumika kama msingi wa uzalishaji wa video.

•inahitajika video_url
Dondosha faili, au

URL inayoelekeza kwenye video itakayopanuliwa.

video_size chaguomsingi auto

Vipimo vya video iliyozalishwa.

chaguomsingi 121

Idadi ya fremu za tokeo lililozalishwa.

Ya kina negative_prompt · end_image · scheduler · acceleration · camera_lora · video_output_type · video_quality · video_write_mode · extend_direction · fps · num_inference_steps · video_cfg_scale · video_stg_scale · video_rescaling_scale · video_modality_scale · audio_cfg_scale · audio_stg_scale · audio_rescaling_scale · audio_modality_scale · gradient_estimation_gamma · camera_lora_scale · distill_lora_first_pass_scale · distill_lora_second_pass_scale · num_context_frames · video_strength · audio_strength · end_image_strength · seed · use_multiscale · match_input_fps · use_restart_sampling · enable_prompt_expansion · enable_safety_checker
chaguomsingi news broadcast, 3d an...

Kidokezo hasi kinachotumika wakati wa uzalishaji wa video.

end_image_url
Dondosha faili, au

Toa picha ya fremu ya mwisho kwa URL ili kubainisha jinsi video iliyopanuliwa itakavyoishia.

scheduler chaguomsingi ltx2

Uteuzi wa scheduler.

acceleration chaguomsingi regular

Kiwango cha kuongeza kasi kinachotumika kwenye uchakataji.

camera_lora chaguomsingi none

Uteuzi wa Camera LoRA kwa kudhibiti mwendo katika video iliyozalishwa kwa usahihi zaidi kuliko vidokezo vya mwendo wa kamera pekee.

video_output_type chaguomsingi X264 (.mp4)

Aina ya tokeo la video inayotokana.

video_quality chaguomsingi high

Kiwango cha ubora wa video inayotokana.

video_write_mode chaguomsingi balanced

Hali ya kuandika ya video inayotokana.

extend_direction chaguomsingi forward

Upande wa video wa kupanua: chagua 'backward' ili kuongeza maudhui kabla ya mwanzo wake au 'forward' ili kuongeza maudhui baada ya mwisho wake.

chaguomsingi 24

Kasi ya fremu ya video ya tokeo, iliyopimwa kwa fremu kwa sekunde.

chaguomsingi 40

Idadi ya hatua za uelekezaji zilizotekelezwa.

chaguomsingi 3

Mpangilio wa mwongozo wa video: uinue kwa mshikamano na umakini zaidi katika maudhui yaliyozalishwa. Hutumia mwongozo usio na classifier (CFG).

chaguomsingi 0

Hudhibiti mshikamano na umakini wa video kupitia kipimo cha Spatiotemporal Guidance (STG); ongeza mpangilio huu ili kuimarisha sifa zote mbili.

chaguomsingi 0.7

Marekebisho ya kuongeza au kupunguza video kwa kusawazisha mwongozo usio na classifier na mwongozo wa spatiotemporal kama uwiano.

chaguomsingi 3

Marekebisho ya modality ya video kwa kusawazisha michango ya video na sauti kama uwiano.

chaguomsingi 7

Mpangilio wa mwongozo wa sauti: uinue kwa mshikamano na umakini zaidi katika maudhui yaliyozalishwa. Hutumia mwongozo usio na classifier (CFG).

chaguomsingi 0

Hudhibiti mshikamano na umakini wa sauti kupitia kipimo cha Spatiotemporal Guidance (STG); ongeza mpangilio huu ili kuimarisha sifa zote mbili.

chaguomsingi 0.7

Marekebisho ya kuongeza au kupunguza sauti kwa kusawazisha mwongozo usio na classifier na mwongozo wa spatiotemporal kama uwiano.

chaguomsingi 3

Marekebisho ya modality ya sauti kwa kusawazisha michango ya video na sauti kama uwiano.

chaguomsingi 2

Mpangilio wa makadirio ya gradient ya kuondoa kelele: 0 huzima makadirio; vinginevyo, thamani hubainisha gamma.

chaguomsingi 1

Nguvu ya Camera LoRA kwa kudhibiti mwendo katika video iliyozalishwa kwa usahihi zaidi kuliko vidokezo vya mwendo wa kamera pekee.

chaguomsingi 0.2

Dhibiti kuongeza au kupunguza kwa distill LoRA ya pass ya kwanza, ukitumia 0 kuizima.

chaguomsingi 0.5

Dhibiti kuongeza au kupunguza kwa distill LoRA kwa kila pass baada ya ya kwanza.

chaguomsingi 25

Idadi ya fremu inayotumika kutoa muktadha wakati wa kupanua video.

chaguomsingi 1

Uhuru wa kubadilisha maudhui ya video hudhibitiwa na nguvu hii ya conditioning: mipangilio midogo huipa modeli uhuru zaidi.

chaguomsingi 1

Uhuru wa kubadilisha maudhui ya sauti hudhibitiwa na nguvu hii ya conditioning: mipangilio midogo huipa modeli uhuru zaidi.

chaguomsingi 1

Dhibiti kiasi ambacho picha ya mwisho huathiri video iliyozalishwa.

Thamani ya mbegu inayoanzisha uzalishaji wa nambari nasibu.

POST /run/ltx-2.3-22b/extend-video?wait=20 makadirio → $ 0.18
# 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-2.3-22b/extend-video?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"

Endesha ombi hili

Key yako inabaki kwenye kivinjari hiki: inatumwa kwa Doitong API pekee na kuhifadhiwa (localStorage) tu ukiweka tiki kwenye Kumbuka. Pata ufunguo wa API

Kuhusu LTX-2.3 22B · Extend Video

Hupokea `video_url` na `prompt` na kuzalisha mwendelezo wa fremu `num_frames` (9 hadi 481). `end_image_url` ya hiari huweka mahali ambapo upanuzi unaishia. `match_input_fps` huhifadhi kasi ya fremu ya chanzo, `generate_audio` huongeza sauti, na `video_size` ina chaguo-msingi auto. Tokeo linaweza kuwa mp4, webm, mov au GIF.

Vigezo

Tuma jina rasmi au jina asilia, si yote mawili. Majina rasmi

JinaAina ChaguomsingiInaruhusiwa Maelezo
promptinahitajika
Ainastring
Kidokezo kinachotumika kama msingi wa uzalishaji wa video.
video_urlinahitajika video
Ainaurl · video
URL inayoelekeza kwenye video itakayopanuliwa.
end_image_urlsi lazima end_image
Ainaurl · image
Toa picha ya fremu ya mwisho kwa URL ili kubainisha jinsi video iliyopanuliwa itakavyoishia.
num_framessi lazima
Ainainteger
Chaguomsingi121
9 – 481
Idadi ya fremu za tokeo lililozalishwa.
video_sizesi lazima
Ainaobject
Chaguomsingiauto
autosquare_hdsquareportrait_4_3portrait_16_9landscape_4_3landscape_16_9
Vipimo vya video iliyozalishwa.
generate_audiosi lazima
Ainaboolean
Chaguomsingitrue
Hudhibiti ikiwa video itajumuisha sauti iliyozalishwa.
use_multiscalesi lazima
Ainaboolean
Chaguomsingitrue
Kigeuzi cha uzalishaji wa mizani mingi kwa mshikamano na maelezo bora. Kwa True, video ndogo ya awali huongoza uzalishaji wa pili ambao ukubwa wake unafikia au kuzidi vipimo vilivyoombwa.
match_input_fpssi lazima
Ainaboolean
Chaguomsingitrue
Ubadilishaji wa kiwango cha fremu za tokeo unaobadilisha FPS lengwa chaguomsingi na FPS ya video chanzo unapowashwa.
fpssi lazima
Ainanumber
Chaguomsingi24
1 – 60
Kasi ya fremu ya video ya tokeo, iliyopimwa kwa fremu kwa sekunde.
num_inference_stepssi lazima
Ainainteger
Chaguomsingi40
8 – 50
Idadi ya hatua za uelekezaji zilizotekelezwa.
video_cfg_scalesi lazima
Ainanumber
Chaguomsingi3
1 – 20
Mpangilio wa mwongozo wa video: uinue kwa mshikamano na umakini zaidi katika maudhui yaliyozalishwa. Hutumia mwongozo usio na classifier (CFG).
video_stg_scalesi lazima
Ainanumber
Chaguomsingi0
0 – 20
Hudhibiti mshikamano na umakini wa video kupitia kipimo cha Spatiotemporal Guidance (STG); ongeza mpangilio huu ili kuimarisha sifa zote mbili.
video_rescaling_scalesi lazima
Ainanumber
Chaguomsingi0.7
0 – 1
Marekebisho ya kuongeza au kupunguza video kwa kusawazisha mwongozo usio na classifier na mwongozo wa spatiotemporal kama uwiano.
video_modality_scalesi lazima
Ainanumber
Chaguomsingi3
0 – 10
Marekebisho ya modality ya video kwa kusawazisha michango ya video na sauti kama uwiano.
audio_cfg_scalesi lazima
Ainanumber
Chaguomsingi7
1 – 20
Mpangilio wa mwongozo wa sauti: uinue kwa mshikamano na umakini zaidi katika maudhui yaliyozalishwa. Hutumia mwongozo usio na classifier (CFG).
audio_stg_scalesi lazima
Ainanumber
Chaguomsingi0
0 – 20
Hudhibiti mshikamano na umakini wa sauti kupitia kipimo cha Spatiotemporal Guidance (STG); ongeza mpangilio huu ili kuimarisha sifa zote mbili.
audio_rescaling_scalesi lazima
Ainanumber
Chaguomsingi0.7
0 – 1
Marekebisho ya kuongeza au kupunguza sauti kwa kusawazisha mwongozo usio na classifier na mwongozo wa spatiotemporal kama uwiano.
audio_modality_scalesi lazima
Ainanumber
Chaguomsingi3
0 – 10
Marekebisho ya modality ya sauti kwa kusawazisha michango ya video na sauti kama uwiano.
gradient_estimation_gammasi lazima
Ainanumber
Chaguomsingi2
0 – 10
Mpangilio wa makadirio ya gradient ya kuondoa kelele: 0 huzima makadirio; vinginevyo, thamani hubainisha gamma.
use_restart_samplingsi lazima
Ainaboolean
Chaguomsingifalse
Kigeuzi cha kuanza upya sampuli kwa ubora bora wa video: kukiwasha huongeza kelele kidogo katika kila hatua ya kuondoa kelele.
schedulersi lazima
Ainaenum
Chaguomsingiltx2
ltx2linear_quadraticbeta
Uteuzi wa scheduler.
accelerationsi lazima
Ainaenum
Chaguomsingiregular
noneregularhighfull
Kiwango cha kuongeza kasi kinachotumika kwenye uchakataji.
camera_lorasi lazima
Ainaenum
Chaguomsinginone
dolly_indolly_outdolly_leftdolly_rightjib_upjib_downstaticnone
Uteuzi wa Camera LoRA kwa kudhibiti mwendo katika video iliyozalishwa kwa usahihi zaidi kuliko vidokezo vya mwendo wa kamera pekee.
camera_lora_scalesi lazima
Ainanumber
Chaguomsingi1
0 – 1
Nguvu ya Camera LoRA kwa kudhibiti mwendo katika video iliyozalishwa kwa usahihi zaidi kuliko vidokezo vya mwendo wa kamera pekee.
negative_promptsi lazima
Ainastring
Chaguomsinginews broadcast, 3d animation, computer graphics, pc game, console game, video game, cartoon, childish, watermark, logo, text, on screen text, subtitles, titles, signature, slowmo, static
Kidokezo hasi kinachotumika wakati wa uzalishaji wa video.
seedsi lazima
Ainainteger | null
Thamani ya mbegu inayoanzisha uzalishaji wa nambari nasibu.
enable_prompt_expansionsi lazima
Ainaboolean
Chaguomsingitrue
Hudhibiti ikiwa upanuzi wa kidokezo umewashwa.
enable_safety_checkersi lazima
Ainaboolean
Chaguomsingitrue
Hudhibiti ikiwa ukaguzi wa usalama umewashwa.
video_output_typesi lazima
Ainaenum
ChaguomsingiX264 (.mp4)
X264 (.mp4)VP9 (.webm)PRORES4444 (.mov)GIF (.gif)
Aina ya tokeo la video inayotokana.
video_qualitysi lazima
Ainaenum
Chaguomsingihigh
lowmediumhighmaximum
Kiwango cha ubora wa video inayotokana.
video_write_modesi lazima
Ainaenum
Chaguomsingibalanced
fastbalancedsmall
Hali ya kuandika ya video inayotokana.
distill_lora_first_pass_scalesi lazima
Ainanumber
Chaguomsingi0.2
0 – 1
Dhibiti kuongeza au kupunguza kwa distill LoRA ya pass ya kwanza, ukitumia 0 kuizima.
distill_lora_second_pass_scalesi lazima
Ainanumber
Chaguomsingi0.5
0 – 1
Dhibiti kuongeza au kupunguza kwa distill LoRA kwa kila pass baada ya ya kwanza.
extend_directionsi lazima
Ainaenum
Chaguomsingiforward
forwardbackward
Upande wa video wa kupanua: chagua 'backward' ili kuongeza maudhui kabla ya mwanzo wake au 'forward' ili kuongeza maudhui baada ya mwisho wake.
num_context_framessi lazima
Ainainteger
Chaguomsingi25
0 – 121
Idadi ya fremu inayotumika kutoa muktadha wakati wa kupanua video.
video_strengthsi lazima
Ainanumber
Chaguomsingi1
0 – 1
Uhuru wa kubadilisha maudhui ya video hudhibitiwa na nguvu hii ya conditioning: mipangilio midogo huipa modeli uhuru zaidi.
audio_strengthsi lazima
Ainanumber
Chaguomsingi1
0 – 1
Uhuru wa kubadilisha maudhui ya sauti hudhibitiwa na nguvu hii ya conditioning: mipangilio midogo huipa modeli uhuru zaidi.
end_image_strengthsi lazima
Ainanumber
Chaguomsingi1
0 – 1
Dhibiti kiasi ambacho picha ya mwisho huathiri video iliyozalishwa.
inahitajika Jina rasmi, pia linakubalika

Vigezo vya faili vinakubali URL ya umma ya https://, data: URI ya hadi 10 MB, au file_url ya upakiaji. Faili

Tokeo

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "ltx-2.3-22b/extend-video",
  "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": 180,
    "usd": "0.18",
    "charged": 180,
    "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,
      "width": 1024,
      "height": 768,
      "fps": 1.0,
      "duration": 5,
      "num_frames": 1
    },
    "seed": 42,
    "prompt": "A woman stands still amid a busy neon-lit street at night. The camera slowly dollies in toward her face as people blur past, their motion emphasizing her calm presence. City lights flicker and reflections shift across her denim jacket."
  },
  "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"
  }
}
Faili zako, chaguo lakoKila outputs[].url ni nakala kwenye hifadhi yetu: huhifadhiwa milele (hutozwa kwa GB kwa mwezi) au 7 siku bila malipo, kulingana na mpangilio wa akaunti yako au ?storage=.
Muundo uleule kwenye kila modelitype, url, content_type, width, height na duration, kwa picha, video na sauti. output ni kitu cha matokeo cha modeli yenyewe.
Sehemu za tokeo
video
object {url, content_type, file_name, file_size, width, height, fps, duration, num_frames}Video iliyozalishwa na modeli.
seed
integerThamani ya seed inayotumika kuanzisha uzalishaji wa nambari nasibu.
prompt
stringKidokezo kinachotumika kuongoza uzalishaji.

Miundo zaidi: Video hadi Video

Kwa mawakala wa AI: ukurasa huu katika Markdown unapatikana kwenye https://doitong.com/sw/developers/models/ltx-2.3-22b/extend-video.md. Modeli na miongozo yote: https://doitong.com/developers/llms.txt