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2 commits

Author SHA1 Message Date
Sebastian Dröge
4dac77bb93 Fix some clippy warnings 2020-02-25 10:12:55 +02:00
Ruben Gonzalez
7d3ab342d2 Add claxon based FLAC decoder.
Audio decoder element structure is based in `gst-plugin-lewton` (a lewton based Vorbis decoder created by @slomo)

The element assumes correctly parsed input from `flacparse`.

Implementation details:

* Claxon returned frames does not contain audio channels interleaved, the reorganization of the channels is done by the element.
* Claxon output buffers are always Vec<i32>, mapping to the correct type (depending on the audio format) is also done by the element.

Mono s16 and stereo_s32 test are provided.

Complete pipelines to test are:

```
gst-launch-1.0  -v souphttpsrc location=https://archive.org/download/MLKDream/MLKDream.flac ! queue2 !  flacparse ! flacdec ! audioconvert ! autoaudiosink
gst-launch-1.0  -v audiotestsrc ! audio/x-raw, format=S16LE, layout=interleaved, rate=44100, channels=1 ! audioconvert ! flacenc ! flacparse ! claxondec ! autoaudiosink
```

Fixes #71
2020-01-19 16:01:23 +00:00