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Burn Subtitles Into Video Node

Subtitles

Render an SRT/WebVTT sidecar into video frames and mux the result

video_burn_subtitlesmedia
Inputs11
Outputs3
Security exposure7/10
Packagemedia

Ratings

Scores range from 0 to 10. Higher values mean more impact, exposure, or operational weight.

SecurityAttack surface and exposure impact.
7/10High
PrivacyPotential sensitivity of processed data.
8/10High
PerformanceRuntime or resource pressure.
7/10High
GovernancePolicy, audit, or compliance impact.
8/10High
ReliabilityOperational stability considerations.
7/10High
CostExternal or compute cost impact.
10/10High

Input Pins

11

Input

Execution
exec_in

Trigger

Source

Struct
source

Source media FlowPath

FlowPathFlowPath3 fields
pathstringrequired
store_refstringrequired
cache_store_refstring | null
Schema enforced

Sidecar

Struct
sidecar

Subtitle sidecar FlowPath

FlowPathFlowPath3 fields
pathstringrequired
store_refstringrequired
cache_store_refstring | null
Schema enforced

Target

Struct
target

Target media FlowPath

FlowPathFlowPath3 fields
pathstringrequired
store_refstringrequired
cache_store_refstring | null
Schema enforced

Format

String
format

srt or webvtt

Default srt

Output Codec

String
output_codec

Video codec to encode

Default h264

Video Track

Integer
video_track_id

Video track id, or 0 for default

Default 0

Preserve Non-Video

Boolean
preserve_non_video

Copy non-video packets when possible

Default true

Bitrate

Integer
bitrate

Target bitrate in bits per second, or 0 for backend default

Default 0

Scale

Integer
scale

Subtitle render scale

Default 2

Margin Bottom

Integer
margin_bottom

Subtitle bottom margin in pixels

Default 24

Output Pins

3

Done

Execution
exec_out

Continues

Result

Struct
result

Written media FlowPath

FlowPathFlowPath3 fields
pathstringrequired
store_refstringrequired
cache_store_refstring | null

Report

Struct
report

Subtitle burn-in report

SubtitleBurnInReportSubtitleBurnInReport11 fields
sourcestringrequired
sidecarstringrequired
targetstringrequired
source_formatstringrequired
target_formatstringrequired
video_track_idinteger:uint32required
format uint32min 0
event_countinteger:uintrequired
format uintmin 0
decoded_framesinteger:uintrequired
format uintmin 0
encoded_video_packetsinteger:uintrequired
format uintmin 0
copied_packetsinteger:uintrequired
format uintmin 0
bytes_writteninteger:uint64required
format uint64min 0

Node Info

Internal name
video_burn_subtitles
Category
Subtitles