More or less bit-exact, only difference is that we don't seek in the input file before returning silence for DTX packets. Bug: webrtc:13322 Change-Id: I147b70d4a0f2c78719c9673b55df6617e064bd61 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/301104 Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39851}