wader/fq
1
1
Fork 0
mirror of https://github.com/wader/fq.git synced 2024-12-28 08:02:28 +03:00
Code Issues Projects Releases Wiki Activity
jq for binary formats
123 Commits 36 Branches 23 Tags 62 MiB
Go 96.5%
jq 3.3%
Makefile 0.1%
f8e5944f91
Go to file
Mattias Wadman f8e5944f91 dump,json: Properly figure if compound or not
2021-09-12 13:08:55 +02:00
.github/workflows bump: Add action and cleanup names 2021-09-12 13:08:52 +02:00
.vscode decode: Use golang.org/x/text for text decoding 2021-09-12 13:08:55 +02:00
dev doc: Cleanup and note about repl limit 2021-09-12 13:08:55 +02:00
doc doc: Cleanup and note about repl limit 2021-09-12 13:08:55 +02:00
format dump,json: Properly figure if compound or not 2021-09-12 13:08:55 +02:00
internal cli: Make profile build optional and move it to cli 2021-09-12 13:08:53 +02:00
pkg dump,json: Properly figure if compound or not 2021-09-12 13:08:55 +02:00
.golangci.yml funcs: Remove unsued string function 2021-09-12 13:08:53 +02:00
.goreleaser.yml Init 2021-09-12 13:08:42 +02:00
Bumpfile bump: Add action and cleanup names 2021-09-12 13:08:52 +02:00
Dockerfile bump: Add action and cleanup names 2021-09-12 13:08:52 +02:00
go.mod decode: Use golang.org/x/text for text decoding 2021-09-12 13:08:55 +02:00
go.sum decode: Use golang.org/x/text for text decoding 2021-09-12 13:08:55 +02:00
LICENSE Init 2021-09-12 13:08:42 +02:00
main.go cli: Make profile build optional and move it to cli 2021-09-12 13:08:53 +02:00
Makefile repl: Handle directives, add tests 2021-09-12 13:08:55 +02:00
README.md mp3,README: some cleanup 2021-09-12 13:08:55 +02:00

README.md

fq

Tool, language and decoders for exploring binary data.

# Overview of mp3 file 
$ fq . file.mp3 
     |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |.: {} file.mp3 (mp3)
0x000|49 44 33 04 00 00 00 00 15 39 54 53 53 45 00 00|ID3......9TSSE..|  headers: [1]
*    |until 0xac2.7 (2755)                           |                |
0xac0|         ff fb 40 c0 00 00 00 00 00 00 00 00 00|   ..@..........|  frames: [3]
0xad0|00 00 00 00 00 00 00 00 49 6e 66 6f 00 00 00 0f|........Info....|
*    |until 0xd19.7 (end) (599)                      |                |
     |                                               |                |  footers: [0]
 
# Show ID3v2 APIC frame 
$ fq '.headers[].frames[] | select(.id == "APIC")' file.mp3 
     |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|                |.headers[0].frames[1]: {}
0x020|         41 50 49 43                           |   APIC         |  id: "APIC" (Attached picture)
0x020|                     00 00 15 0c               |       ....     |  size: 2700
0x020|                                 00 00         |           ..   |  flags: {}
0x020|                                       03      |             .  |  text_encoding: UTF-8 (3)
0x020|                                          69 6d|              im|  mime_type: "image/png"
0x030|61 67 65 2f 70 6e 67 00                        |age/png.        |
0x030|                        00                     |        .       |  picture_type: 0
0x030|                           00                  |         .      |  description: ""
0x030|                              89 50 4e 47 0d 0a|          .PNG..|  picture: {} (png)
0x040|1a 0a 00 00 00 0d 49 48 44 52 00 00 01 40 00 00|......IHDR...@..|
*    |until 0xab8.7 (2687)                           |                |
 
# Resolution of embedded PNG file 
$ fq '.headers[].frames[] | select(.id == "APIC").picture.chunks[] | select(.type == "IHDR") | {width, height}' file.mp3 
{
  "height": 240,
  "width": 320
}
 
# Extract PNG file 
$ fq '.headers[].frames[] | select(.id == "APIC")?.picture | tobits' file.mp3 > file.png 
$ file file.png 
file.png: PNG image data, 320 x 240, 8-bit/color RGB, non-interlaced
 
# Codecs in a mp4 file 
$ fq '[.. | select(.type == "stsd")?.boxes[].type]' file.mp4 
[
  "avc1",
  "mp4a"
]

Install

Download archive from releases page for your platform, unarchive and move the executable to PATH.

Homebrew

# install latest release
brew install wader/tap/fq

Build from source

Make sure you have go 1.17 or later and then do:

# build and install latest master
go install github.com/wader/fq@latest

and the binary should end up at $GOPATH/bin/fq.

Usage

Basic usage is:

Usage: fq [OPTIONS] [--] [EXPR] [FILE...]

For more usage details see usage.md.

Supported formats

aac_frame, adts, adts_frame, apev2, av1_ccr, av1_frame, av1_obu, avc_annexb, avc_au, avc_dcr, avc_nalu, avc_pps, avc_sei, avc_sps, bzip2, dns, elf, exif, flac, flac_frame, flac_metadatablock, flac_picture, gif, gzip, hevc_annexb, hevc_au, hevc_dcr, hevc_nalu, icc_profile, id3v1, id3v11, id3v2, jpeg, json, matroska, mp3, mp3_frame, mp4, mpeg_asc, mpeg_es, mpeg_pes, mpeg_pes_packet, mpeg_spu, mpeg_ts, ogg, ogg_page, opus_packet, png, protobuf, protobuf_widevine, pssh_playready, raw, tar, tiff, vorbis_comment, vorbis_packet, vp8_frame, vp9_cfm, vp9_frame, vpx_ccr, wav, webp, xing

For more format details see usage.md.

TODO and ideas

See TODO.md

Development

See dev.md

Thanks and related projects

This project would not be possible without itchyny's jq implementation gojq. Also want to thank HexFiend for inspiration and ideas and stedolan for inventing the jq language.

Similar projects: