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Support alternative disc formats

Open JaCzekanski opened this issue 5 years ago • 6 comments

As mentioned in #28, support for different disc dump formats is a nice feature to have for end-user.

As for now Avocado supports:

  • [x] single file .bin/.img/.iso (2352) images
  • [x] multitrack .cue image with .bin tracks
  • [x] MAME .chd disc file format with FLAC audio and LZMA compressed data
  • [x] .ecm files
  • [x] PSExe files (.exe, .psexe)
  • [x] PSF music (.psf, .minipsf)

Nice to have:

  • [ ] .cue with WAV/MP3 tracks
  • [ ] PS Classics .pbp files download from Playstation Store

If you have any new file format suggestions feel free to comment on this issue.

JaCzekanski avatar Nov 30 '18 12:11 JaCzekanski

add in the future 7z-zip multi-images possible?

in 7z it’s very convenient to pack almost identical images for example (pal-ntsc, different versions, and translations) especially when they have similar external audio tracks.

while other emulators do not have this advantage

Скриншот 27-08-2019 025833

you can use to create and verify: https://github.com/johndimi/cdcrush.net

shikulja avatar Aug 26 '19 23:08 shikulja

If 7z format allows for random access and seeking without fully unpacking its contents I think it's doable. I'm sure that it can be done for simpler formats like .zip (other emulators has done it).

JaCzekanski avatar Aug 27 '19 10:08 JaCzekanski

  • .mdf / .mds is not the right format in which images still exist.

shikulja avatar Sep 03 '19 13:09 shikulja

@shikulja I don't think this format has any popularity in emulation scene - correct me if I'm wrong.

I'll take it into considerations.

JaCzekanski avatar Sep 03 '19 14:09 JaCzekanski

@shikulja I don't think this format has any popularity in emulation scene - correct me if I'm wrong.

I'll take it into considerations.

no has, but sometimes in this format, images are found. They can be converted. But it’s better not to touch such images; the quality of dumps is sometimes difficult to judge.

shikulja avatar Sep 03 '19 14:09 shikulja

Support for zipped/7z files with zstandard algorithm(? is a real-time compression algorithm, providing high compression ratios. It offers a very wide range of compression / speed trade-off, while being backed by a very fast decoder and recently it can be compressed with the zip format using 7zip-zstd

JaegerFox avatar Mar 20 '21 15:03 JaegerFox