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  1. 07 Aug, 2023 2 commits
    • 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
    • moto's avatar
      Make target_lengths/input_lengths in forced_align optional (#3533) · cd80976e
      moto authored 
      Summary:
Currently `torchaudio.functional.forced_align` function requires full information on input/target lengths.
When performing non-batched alignment, these can be inferred from the size of Tensor.

Pull Request resolved: https://github.com/pytorch/audio/pull/3533

Reviewed By: nateanl

Differential Revision: D48111041

Pulled By: mthrok

fbshipit-source-id: fbf07124d3959c5cc5533dcd86296851587082fb
      cd80976e
  3. 04 Aug, 2023 2 commits
  5. 03 Aug, 2023 2 commits
  7. 02 Aug, 2023 1 commit
  9. 01 Aug, 2023 3 commits
  11. 31 Jul, 2023 2 commits
  13. 29 Jul, 2023 1 commit
    • moto's avatar
      Refactor compat (#3518) · 8497ee91
      moto authored 
      Summary:
The I/O functions in _compat module was introduced there so that
everything related to FFmpeg is in torchaudio.io and FFmpeg library
initialization can be carried out in `torchaudio.io.__init__`.

Now that this constraint is removed, (all the initialization happens
at `torchaudio._extension.__init__`) and `_compat` is only used by
FFmpeg dispatcher backend, we move the module to `torchaudio._backend`
for better locality.

Pull Request resolved: https://github.com/pytorch/audio/pull/3518

Reviewed By: huangruizhe

Differential Revision: D47877412

Pulled By: mthrok

fbshipit-source-id: aa18c8cb6e5d5360950df5158c33c653e37c565f
      8497ee91
  15. 28 Jul, 2023 5 commits
  17. 27 Jul, 2023 3 commits
  19. 26 Jul, 2023 3 commits
  21. 25 Jul, 2023 7 commits
  23. 24 Jul, 2023 1 commit
  25. 18 Jul, 2023 1 commit
  27. 17 Jul, 2023 1 commit
  29. 15 Jul, 2023 2 commits
  31. 14 Jul, 2023 1 commit
    • moto's avatar
      Update the logic to fetch pixel format from filter graph (#3479) · cf53a486
      moto authored 
      Summary:
When using GPU decoder in some environments, attempting to read the output formats from filter graph caused an issue in which the software pixel format cannot be determined.

We do not know the exact cause but when it happens, the input link of buffer sink does not have HW frames context.

Since currently no filter can convert the pixel format of CUDA frame, we resort to the HW frames context of the output link of buffer source.

Environments this was observed.

Env1
- OS: Fedora 36 (x86_64)
- GCC 12.2.1
- Python 3.10.12
- GPU: GeForce RTX 3070 Ti Laptop GPU
- FFmpeg: 5.1.3
- nv-codec-header: n11.1.5.2
- CUDA: 12.1

Env2
- Ubuntu 20.04.4 LTS (x86_64)
- GCC 9.4.0
- Python 3.11.3
- GPU: Quadro GV100
- FFmpeg: 5.1.3
- nv-codec-header: n11.1.5.2
- CUDA: 11.4

Pull Request resolved: https://github.com/pytorch/audio/pull/3479

Differential Revision: D47482407

Pulled By: mthrok

fbshipit-source-id: 1c53096b27824453b260138ab64e1948afeeefc7
      cf53a486
  33. 13 Jul, 2023 2 commits
  35. 12 Jul, 2023 1 commit