mirror of
https://github.com/wader/fq.git
synced 2024-12-25 14:23:18 +03:00
116 lines
4.2 KiB
Markdown
116 lines
4.2 KiB
Markdown
# fq
|
||
|
||
Tool, language and decoders for exploring binary data.
|
||
|
||
<sub>
|
||
<pre sh>
|
||
<b># Overview of mp3 file</b>
|
||
$ 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]
|
||
|
||
<b># Show ID3v2 APIC frame</b>
|
||
$ 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) | |
|
||
|
||
<b># Resolution of embedded PNG file</b>
|
||
$ fq '.headers[].frames[] | select(.id == "APIC").picture.chunks[] | select(.type == "IHDR") | {width, height}' file.mp3
|
||
{
|
||
"height": 240,
|
||
"width": 320
|
||
}
|
||
|
||
<b># Extract PNG file</b>
|
||
$ 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
|
||
|
||
<b># Codecs in a mp4 file</b>
|
||
$ fq '[.. | select(.type == "stsd")?.boxes[].type]' file.mp4
|
||
[
|
||
"avc1",
|
||
"mp4a"
|
||
]
|
||
</pre>
|
||
</sub>
|
||
|
||
## Install
|
||
|
||
Download archive from [releases](https://github.com/wader/fq/releases) page for your
|
||
platform, unarchive and move the executable to `PATH`.
|
||
|
||
### Homebrew
|
||
|
||
```sh
|
||
# install latest release
|
||
brew install wader/tap/fq
|
||
```
|
||
|
||
### Build from source
|
||
|
||
Make sure you have go 1.17 or later and then do:
|
||
```sh
|
||
# 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:
|
||
|
||
[fq -h | grep Usage: | sed 's/\(.*\)/<pre>\1<\/pre>/']: sh-start
|
||
|
||
<pre>Usage: fq [OPTIONS] [--] [EXPR] [FILE...]</pre>
|
||
|
||
[#]: sh-end
|
||
|
||
For more usage details see [usage.md](doc/usage.md).
|
||
|
||
## Supported formats
|
||
|
||
[./formats_list.jq]: sh-start
|
||
|
||
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
|
||
|
||
[#]: sh-end
|
||
|
||
|
||
For more format details see [usage.md](doc/usage.md).
|
||
|
||
## TODO and ideas
|
||
|
||
See [TODO.md](doc/TODO.md)
|
||
|
||
## Development
|
||
|
||
See [dev.md](doc/dev.md)
|
||
|
||
## Thanks and related projects
|
||
|
||
This project would not be possible without [itchyny](https://github.com/itchyny)'s
|
||
jq implementation [gojq](https://github.com/itchyny/gojq). Also want to thank
|
||
[HexFiend](https://github.com/HexFiend/HexFiend) for inspiration and ideas and [stedolan](https://github.com/stedolan)
|
||
for inventing the [jq](https://github.com/stedolan/jq) language.
|
||
|
||
Similar projects:
|
||
- https://github.com/HexFiend/HexFiend
|
||
- https://github.com/binspector/binspector
|
||
- https://kaitai.io
|