nal_h264_level(9)

💅 nal_h264_level(9) — a Kernel API Manual moment 🎀

okay so bestie, welcome to the nal_h264_level(9) page — yes it's the Kernel API Manual, yes it's iconic, and yes we're gonna get through it together. it's a tiny one. a little snack. let's go ✨

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🌸 NAME 🌸

nal_h264_level — literally just gets you the level_idc for a v4l2 h264 level. that's the whole gig. no cap. 🫶

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🦋 SYNOPSIS 🦋

int nal_h264_level (enum v4l2_mpeg_video_h264_level level );

like, that's the function signature, copy it exactly, don't @ me. 💅

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🎀 ARGUMENTS 🎀

• level — the level, and it's an enum v4l2_mpeg_video_h264_level bestie, so please pass the right type. it's giving "read the type, respect the type" energy. 👑

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✨ DESCRIPTION ✨

so what does it do? it converts that enum v4l2_mpeg_video_h264_level you handed it into a level_idc, exactly as specified in Rec. ITU-T H.264 (04/2017) A.3.2. that's the spec, that's the reference, that's the vibe check — and it passed. 🌈

no extra magic, no secret sauce, just the conversion per the rec. periodt. 💜

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🔥 RETURN 🔥

it returns the level_idc for the passed level. that's it. that's the return value. she's simple, she's efficient, she ate. 💀✨

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🌟 SEE ALSO 🌟

• Kernel file ./drivers/media/platform/allegro-dvt/nal-h264.h — yes, the header, go look at it, iykyk. 🍓
• nal_h264_profile(9)
• nal_h264_full_range(9)
• nal_h264_color_primaries(9)
• nal_h264_transfer_characteristics(9)
• nal_h264_matrix_coeffs(9)

like, the whole nal_h264 friend group is here. main character energy from every single one of them. 🧚💖

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and that's the page!! 🎉 source/version situation: it's from ./drivers/media/platform/alleg... and dated October 2026, footer legend nal_h264_level(9) — mwah, love that for us. go forth and convert your levels, bestie. slay. 💅🦋🌸