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  33. 15 Aug, 2023 1 commit
    • moto's avatar
      [BC-breaking] Update pre-built ffmpeg4 to 4.4.4 (#3561) · bf07ea6b
      moto authored 
      Summary:
In https://github.com/pytorch/audio/pull/3460, we switched the build process for FFmpeg extension.
Since it is complicated to install FFmpeg in some environments, at build time, pre-built binaries and its headers
are downloaded and used as a scaffolding for torchaudio build.

Now even though we did not change any code or FFmpeg version, it turned out that this causes segmentation
fault on Ubuntu when using system Python and FFmpeg 4.4 installed via aptitude.
While investigating the issue, I swapped the said pre-built FFmpeg scaffolding with FFmpeg 4.4 from aptitude,
and the segmentation fault did not happen. This indicates that it is binary compatibility issue.

Before https://github.com/pytorch/audio/issues/3460, each binary build job was building FFmpeg 4.1.8 using the same compiler used to build torchaudio,
but after https://github.com/pytorch/audio/issues/3460 the environments to build FFmpeg 4.1.8 and torchaudio are different. My hypothesis is that
this difference is causing some ABI incompatibility when linking against FFmpeg 4.4. (Also, I don't remember well,
but I read somewhere that 4.4 has a different ABI)

Through experiments, it turned out upgrading the pre-built FFmpeg scaffolding to 4.4 resolves this.
So this commit upgrade the pre-built FFmpeg 4 to 4.4.
The potential (yet unconfirmed) downside is that torchaudio will no longer work with 4.1, 4.2, and 4.3.
Since FFmpeg 4.4 is what Ubuntu 20.04 and 22.04 support by default, and Google Colab is also on 20.04,
I think it is more important to support 4.4.

Therefore we drop the support for 4.1-4.3 from normal build (and official distributions). Those who wish to
use 4.1-4.3 can build torchaudio from source by linking to specific FFmpeg.

Pull Request resolved: https://github.com/pytorch/audio/pull/3561

Reviewed By: hwangjeff

Differential Revision: D48340201

Pulled By: mthrok

fbshipit-source-id: 7ece82910f290c7cf83f58311c4cf6a384e8795e
      bf07ea6b
  35. 14 Aug, 2023 1 commit
  37. 11 Aug, 2023 1 commit
    • moto's avatar
      Expose AudioMetadata (#3556) · 9467fc44
      moto authored 
      Summary:
`torchaudio.info` returns `AudioMetaData`. It should be exposed as public API, without referring `backend` submodule.

Pull Request resolved: https://github.com/pytorch/audio/pull/3556

Reviewed By: huangruizhe

Differential Revision: D48267349

Pulled By: mthrok

fbshipit-source-id: 6ccc0c32bf62fbdcb71495fc7d8d4cc29891538a
      9467fc44
  39. 10 Aug, 2023 1 commit
  41. 07 Aug, 2023 2 commits
    • moto's avatar
      Add MMS FA Bundle (#3521) · 5e211d66
      moto authored 
      Summary:
Port the MMS FA model from tutorial to the library with post-processing module.

Pull Request resolved: https://github.com/pytorch/audio/pull/3521

Reviewed By: huangruizhe

Differential Revision: D48038285

Pulled By: mthrok

fbshipit-source-id: 571cf0fceaaab4790983be2719f1a85805b814f5
      5e211d66
    • moto's avatar
      Add merge_tokens / TokenSpan (#3535) · 30668afb
      moto authored 
      Summary:
This commit adds `merge_tokens` function which removes repeated tokens from CTC token sequences returned from `forced_align`.

Resolving repeated tokens is a necessary step and almost universal, thus it makes sense to have such helper function in torchaudio.

Pull Request resolved: https://github.com/pytorch/audio/pull/3535

Reviewed By: huangruizhe

Differential Revision: D48111202

Pulled By: mthrok

fbshipit-source-id: 25354bfa210aa5c03f8c1d3e201f253ca3761b24
      30668afb
  43. 03 Aug, 2023 1 commit
  45. 01 Aug, 2023 2 commits
  47. 31 Jul, 2023 1 commit
  49. 28 Jul, 2023 3 commits
  51. 27 Jul, 2023 1 commit
    • moto's avatar
      Replace libsox with stub library (#3497) · 8588fba1
      moto authored 
      Summary:
This commit updates the way libsox is integrated to torchaudio

1. We stop statically linking libsox, so torchaudio will not ship libsox.
2. We link libsox dynamically. Users are expected to install libsox by themselves.
3. We use stab library to build torchaudio.

Pull Request resolved: https://github.com/pytorch/audio/pull/3497

Differential Revision: D47803706

Pulled By: mthrok

fbshipit-source-id: 31b05495d81069186fa52d67beea360cc7e817a8
      8588fba1
  53. 25 Jul, 2023 2 commits
  55. 18 Jul, 2023 1 commit
  57. 15 Jul, 2023 1 commit