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yoya/io\_flv
============

FLV library

1.0.2(6y ago)451MITPHPPHP >=5.4.0

Since Aug 12Pushed 6y ago1 watchersCompare

[ Source](https://github.com/yoya/IO_FLV)[ Packagist](https://packagist.org/packages/yoya/io_flv)[ Docs](http://pwiki.awm.jp/~yoya/?IO_FLV)[ RSS](/packages/yoya-io-flv/feed)WikiDiscussions master Synced 3d ago

READMEChangelogDependencies (1)Versions (4)Used By (0)

IO\_FLV
=======

[](#io_flv)

flv (flash video format) parser & builder

Usage
=====

[](#usage)

```
% composer require yoya/io_flv
% php vendor/yoya/io_flv/sample/flvdump.php
Usage: php flvdump.php [-h] -f
% php vendor/yoya/io_flv/sample/flvdump.php -f input.flv
Signature:FLV Version:1 Audio:1 Video:1 DataOffset:9
[0] PreviousTagSize:0 Filter:0 TagType:18(ScriptTag)
  DataSize:358 Timestamp:0 StreamID:0
  Type:2(String) Value:onMetaData
  Type:8(ECMA array) Length:16
  Name:duration: Value:
    Type:0(Number) Value:2.653
  Name:width: Value:
    Type:0(Number) Value:1920
(...omit...)
[1] PreviousTagSize:369 Filter:0 TagType:8(AudioTag)
  DataSize:193 Timestamp:0 StreamID:0
SoundFormat:2(MP3) SoundRate:3(44 kHz)
SoundSize:1(16-bit samples) SoundType:0(Mono sound)
             0  1  2  3  4  5  6  7   8  9  a  b  c  d  e  f  0123456789abcdef
0x00000000  ff fb 54 c4 00 00 07 5c  03 5b b4 10 80 21 9e 14    T    \ [   !
[2] PreviousTagSize:204 Filter:0 TagType:9(VideoTag)
  DataSize:147336 Timestamp:23 StreamID:0
FrameType:1(key frame (AVC, seekable)) CodecID:2(Sorenson H.263)
             0  1  2  3  4  5  6  7   8  9  a  b  c  d  e  f  0123456789abcdef
0x00000000  00 00 84 00 83 c0 02 1c  13 be 17 e2 b5 5c 1f fb               \
(...omit...)

```

reference
=========

[](#reference)

-
- [https://github.com/yoya/IO\_FLV/wiki/FLV](https://github.com/yoya/IO_FLV/wiki/FLV)

###  Health Score

26

—

LowBetter than 43% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity9

Limited adoption so far

Community8

Small or concentrated contributor base

Maturity56

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~1 days

Total

3

Last Release

2467d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/b46aabd829c382299018b8def059e03a2546cad928803c5d5dc14d036251f42c?d=identicon)[yoya](/maintainers/yoya)

---

Top Contributors

[![yoya](https://avatars.githubusercontent.com/u/26040?v=4)](https://github.com/yoya "yoya (23 commits)")

---

Tags

videomovieflv

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![Health badge](/badges/yoya-io-flv/health.svg)

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