Using DeinterleavedView<> simplifies these two classes, so now the
classes are arguably thin wrappers on top of DeinterleavedView<> and
AudioFrameView<> can be replaced with DeinterleavedView<>.
The changes are:
* Make VectorFloatFrame not use a vector of vectors but rather
just hold a one dimensional vector of samples and leaves the mapping
into the buffer up to DeinterleavedView<>.
* Remove the `channel_ptrs_` vector which was required due to an
issue with AudioFrameView.
* AudioFrameView is now a wrapper over DeinterleavedView<>. The most
important change is to remove the `audio_samples_` pointer, which
pointed into an externally owned pointer array (in addition to
the array that holds the samples themselves). Now AudioFrameView
can be initialized without requiring such a long-lived array.
Bug: chromium:335805780
Change-Id: I8f3c23c0ac4b5a337f68e9161fc3a97271f4e87d
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/352504
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42498}
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