Blog
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Two Pointers Pattern | From O(n²) to O(n) in Arrays
Two pointers algorithm pattern: sorted array pair sums, deduplication, three-sum, and container-with-water—Python examples and complexity notes for codi...
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AAC Audio Codec: Complete Guide | LC-AAC, HE-AAC & FFmpeg Encoding
AAC profiles (LC-AAC, HE-AAC), MPEG-4 containers, FFmpeg encoding for streaming and mobile—bitrate tiers, sample rates, and practical quality tradeoffs.
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MP3 Audio Codec in Practice | LAME, CBR, VBR & FFmpeg Encoding
MP3 history and MPEG-1 Layer III, LAME-based CBR and VBR, FFmpeg examples—balance quality and size when compatibility comes first.
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Opus Audio Codec Next-Generation Standard | WebRTC, Low Latency, FFmpeg Practical Complete Guide
IETF standard Opus: voice/music modes, SILK/CELT hybrid, low-latency real-time communication, and FFmpeg encoding. Master the next-generation royalty-fr...
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Opus Audio Codec: Next-Gen Standard | WebRTC, Low Latency & FFmpeg
IETF Opus: speech and music modes, SILK and CELT hybrid, realtime WebRTC, and FFmpeg encoding—royalty-friendly audio for voice, games, and the web.
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MKV (Matroska) in Practice | EBML, Multi-Subtitle & FFmpeg Remux
EBML-based Matroska (MKV): Segment and Cluster layout, multiple audio and subtitle tracks, chapters, and FFmpeg workflows for archives and delivery.
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MP4 Container: Complete Guide | ISO BMFF, moov, mdat, fMP4 & FFmpeg
ISO BMFF MP4: ftyp, moov, mdat, faststart, fragmented MP4 for HLS and DASH—FFmpeg remux, tags, and streaming operations in one practical guide.
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WebM Container for the Web | VP9, AV1, Opus, HTML5 & FFmpeg
Matroska-based WebM: allowed codecs, browser support, VP9 and AV1 with Opus, FFmpeg mux, and streaming tips—introductory web delivery guide.
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C++ Aggregate Initialization | Braces for Structs and Arrays
Aggregates are structs and arrays that meet standard rules; braces initialize members directly. C++20 designated initializers, contrasts with default/va...
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C++ any | 'Type Erasing' Guide
A guide that summarizes std::any and variant·void* comparison, type safety, any_cast, practical examples, and performance overhead.