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authorMatthias P. Braendli <matthias.braendli@mpb.li>2021-02-22 16:13:27 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2021-02-22 16:29:07 +0100
commit26065b4193006401f78a4afdf4e19cbd1db6c593 (patch)
tree9432ec6ca9ec33879e7e1098f9d70da3cce15f67 /lib/edioutput/Interleaver.h
parent6eca391865df488db1d71c0bbf44bf5f471ad862 (diff)
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Common fc2902b and 4ad00b8: Update EDI output interleaver and spreading
Diffstat (limited to 'lib/edioutput/Interleaver.h')
-rw-r--r--lib/edioutput/Interleaver.h75
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/edioutput/Interleaver.h b/lib/edioutput/Interleaver.h
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--- a/lib/edioutput/Interleaver.h
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@@ -1,75 +0,0 @@
-/*
- Copyright (C) 2017
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
-
- EDI output,
- Interleaving of PFT fragments to increase robustness against
- burst packet loss.
-
- This is possible because EDI has to assume that fragments may reach
- the receiver out of order.
-
- */
-/*
- This file is part of the ODR-mmbTools.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include "config.h"
-#include <vector>
-#include <deque>
-#include <stdexcept>
-#include <cstdint>
-#include "Log.h"
-#include "PFT.h"
-
-namespace edi {
-
-class Interleaver {
- public:
- using fragment_vec = std::vector<PFTFragment>;
-
- /* Configure the interleaver to use latency_frames number of AF
- * packets for interleaving. Total delay through the interleaver
- * will be latency_frames * 24ms
- */
- void SetLatency(size_t latency_frames);
-
- /* Move the fragments for an AF Packet into the interleaver and
- * return interleaved fragments to be transmitted.
- */
- fragment_vec Interleave(fragment_vec &fragments);
-
- private:
- size_t m_latency = 0;
- size_t m_fragment_count = 0;
- size_t m_interleave_offset = 0;
- size_t m_stride = 0;
-
- /* Buffer that accumulates enough fragments to interleave */
- std::deque<fragment_vec> m_buffer;
-
- /* Buffer that contains fragments that have been interleaved,
- * to avoid that the interleaver output is too bursty
- */
- std::deque<PFTFragment> m_interleaved_fragments;
-};
-
-}
-