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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-11-07 21:37:47 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-11-07 21:37:47 +0100
commit95b197a53c8314a68fd8cf73e495018844e7d708 (patch)
treed7a1f48c0c7f04bea34c9e19dc219195469df563 /src/input/File.h
parent33e51f5996c02c6a6aee27b57d91d90e3f1db5a2 (diff)
parent21d8cacffc1201514b0e1143f8de60e754262291 (diff)
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Merge rework of inputs into 'next'
This breaks the non-blocking fifo inputs, as it seems nobody is using them. It restores some UDP functionality, not necessarily in the same way as before.
Diffstat (limited to 'src/input/File.h')
-rw-r--r--src/input/File.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/input/File.h b/src/input/File.h
new file mode 100644
index 0000000..080d6b5
--- /dev/null
+++ b/src/input/File.h
@@ -0,0 +1,91 @@
+/*
+ Copyright (C) 2009 Her Majesty the Queen in Right of Canada (Communications
+ Research Center Canada)
+
+ Copyright (C) 2016 Matthias P. Braendli
+ http://www.opendigitalradio.org
+
+ */
+/*
+ This file is part of ODR-DabMux.
+
+ ODR-DabMux 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.
+
+ ODR-DabMux 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 ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <vector>
+#include <array>
+#include <string>
+#include <stdint.h>
+#include "input/inputs.h"
+#include "ManagementServer.h"
+
+namespace Inputs {
+
+class FileBase : public InputBase {
+ public:
+ virtual int open(const std::string& name);
+ virtual int readFrame(uint8_t* buffer, size_t size) = 0;
+ virtual int setBitrate(int bitrate);
+ virtual int close();
+
+ /* Rewind the file
+ * Returns -1 on failure, 0 on success
+ */
+ virtual int rewind();
+ protected:
+ /* Read len bytes from the file into buf, and return
+ * the number of bytes read, or -1 in case of error.
+ */
+ virtual ssize_t readFromFile(uint8_t* buf, size_t len);
+
+ // We use unix open() instead of fopen() because
+ // we might want to do non-blocking I/O in the future
+ int m_fd = -1;
+};
+
+class MPEGFile : public FileBase {
+ public:
+ virtual int readFrame(uint8_t* buffer, size_t size);
+ virtual int setBitrate(int bitrate);
+
+ private:
+ bool m_parity = false;
+};
+
+class RawFile : public FileBase {
+ public:
+ virtual int readFrame(uint8_t* buffer, size_t size);
+};
+
+class PacketFile : public FileBase {
+ public:
+ PacketFile(bool enhancedPacketMode);
+ virtual int readFrame(uint8_t* buffer, size_t size);
+
+ protected:
+ std::array<uint8_t,96> m_packetData;
+ size_t m_packetLength;
+
+ /* Enhanced packet mode enables FEC for MSC packet mode
+ * as described in EN 300 401 Clause 5.3.5
+ */
+ bool m_enhancedPacketEnabled = false;
+ std::array<std::array<uint8_t, 204>,12> m_enhancedPacketData;
+ size_t m_enhancedPacketWaiting;
+ size_t m_enhancedPacketLength;
+};
+
+};