Video4Broadcast

Professional Video Engineering

Learn the real mechanics behind codecs, containers, streaming pipelines, and production workflows.

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Core Knowledge Areas

Codecs

H.264, HEVC, AV1, compression techniques, GOP structure.

Containers

MP4, MKV, MOV and how streams are packaged.

Streaming

HLS, DASH, latency, CDN delivery systems.

Color Science

HDR, Rec.709 vs Rec.2020, tone mapping.

Audio

AAC, Opus, channels, bit depth, sync.

Hardware

GPU encoding, NVENC, QuickSync.

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FFmpeg Basics

Convert, trim, and encode video files.

Bitrate Explained

Understand quality vs file size.

Streaming Setup

Build your own streaming pipeline.

Color Grading

Achieve cinematic visuals.

FFmpeg Command Generator

Input File Codec Bitrate

Deep Dive Tutorials

GOP Structure

Understand I, P, B frames and how they affect compression and seekability.

CRF vs Bitrate

Constant Rate Factor vs CBR/VBR and when to use each.

Two-Pass Encoding

Maximize quality by analyzing video before encoding.

Low Latency Streaming

Reduce delay for live broadcasts using tuned pipelines.

FFmpeg Presets

YouTube Upload

ffmpeg -i input.mp4 -c:v libx264 -preset slow -crf 18 -c:a aac -b:a 192k output.mp4

Streaming (HLS)

ffmpeg -i input.mp4 -codec: copy -start_number 0 -hls_time 4 -hls_list_size 0 -f hls index.m3u8

Mobile Compression

ffmpeg -i input.mp4 -vf scale=1280:-2 -c:v libx264 -crf 23 output.mp4

Glossary

Bitrate

The amount of data processed per second in a video stream.

Codec

A method of encoding/decoding video and audio.

Container

A file format that holds video, audio, and metadata.

Transcoding

Converting media from one format to another.

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