wader/fq
1
1
Fork 0
mirror of https://github.com/wader/fq.git synced 2024-12-24 13:52:02 +03:00
Code Issues Projects Releases Wiki Activity
jq for binary formats
37 Commits 36 Branches 23 Tags 61 MiB
Go 96.5%
jq 3.3%
Makefile 0.1%
03af2b5046
Go to file
Mattias Wadman 03af2b5046 gojq: Update rebased fq branch
2021-09-12 13:08:51 +02:00
.github/workflows Init 2021-09-12 13:08:42 +02:00
.vscode cli: Include paths and some refactor 2021-09-12 13:08:50 +02:00
dev builtin: Add chunk_by, count_by and debug 2021-09-12 13:08:51 +02:00
doc builtin: Add chunk_by, count_by and debug 2021-09-12 13:08:51 +02:00
format mp4: More _time decoding 2021-09-12 13:08:51 +02:00
internal mod: Use proper path and dont use replace 2021-09-12 13:08:50 +02:00
pkg builtin: Add chunk_by, count_by and debug 2021-09-12 13:08:51 +02:00
.golangci.yml Init 2021-09-12 13:08:42 +02:00
.goreleaser.yml Init 2021-09-12 13:08:42 +02:00
Bumpfile Init 2021-09-12 13:08:42 +02:00
Dockerfile Init 2021-09-12 13:08:42 +02:00
go.mod gojq: Update rebased fq branch 2021-09-12 13:08:51 +02:00
go.sum gojq: Update rebased fq branch 2021-09-12 13:08:51 +02:00
LICENSE Init 2021-09-12 13:08:42 +02:00
main.go mod: Use proper path and dont use replace 2021-09-12 13:08:50 +02:00
Makefile mod: Use proper path and dont use replace 2021-09-12 13:08:50 +02:00
README.md cli: Add exit 2 (like jq) for no args 2021-09-12 13:08:50 +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._bits' 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 1.16 or later then do:

# build 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_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_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, 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: