From bbab73a63b8c7b50e8a8cb228999d45024fad984 Mon Sep 17 00:00:00 2001
From: "Matthias (think)" <matthias@mpb.li>
Date: Wed, 11 Jul 2012 11:49:12 +0200
Subject: added unmodified mmbtools

---
 src/dabInputDmbFile.cpp | 161 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 161 insertions(+)
 create mode 100644 src/dabInputDmbFile.cpp

(limited to 'src/dabInputDmbFile.cpp')

diff --git a/src/dabInputDmbFile.cpp b/src/dabInputDmbFile.cpp
new file mode 100644
index 0000000..a057764
--- /dev/null
+++ b/src/dabInputDmbFile.cpp
@@ -0,0 +1,161 @@
+/*
+   Copyright (C) 2009 Her Majesty the Queen in Right of Canada (Communications
+   Research Center Canada)
+   */
+/*
+   This file is part of CRC-DabMux.
+
+   CRC-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.
+
+   CRC-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 CRC-DabMux.  If not, see <http://www.gnu.org/licenses/>.
+   */
+
+#include "dabInputDmbFile.h"
+#include "dabInputFifo.h"
+#include "Dmb.h"
+#include "UdpSocket.h"
+
+#include <string.h>
+#include <stdio.h>
+
+
+struct dabInputDmbFileData {
+    FILE* file;
+    Dmb* dmb;
+    dabInputFifoStats stats;
+    unsigned char buffer[188];
+    unsigned bufferLength;
+};
+
+
+struct dabInputOperations dabInputDmbFileOperations = {
+    dabInputDmbFileInit,
+    dabInputDmbFileOpen,
+    dabInputSetbuf,
+    NULL,
+    NULL,
+    NULL,
+    dabInputDmbFileRead,
+    dabInputSetbitrate,
+    dabInputDmbFileClose,
+    dabInputDmbFileClean,
+    NULL
+};
+
+
+int dabInputDmbFileInit(void** args)
+{
+    dabInputDmbFileData* input = new dabInputDmbFileData;
+    memset(&input->stats, 0, sizeof(input->stats));
+    input->stats.id = dabInputFifoData::nb++;
+    input->file = NULL;
+    input->bufferLength = 0;
+    input->dmb = new Dmb();
+    *args = input;
+
+    UdpSocket::init();
+    return 0;
+}
+
+
+int dabInputDmbFileOpen(void* args, const char* inputName)
+{
+    int returnCode = 0;
+    dabInputDmbFileData* input = (dabInputDmbFileData*)args;
+
+    input->file = fopen(inputName, "r");
+    if (input->file == NULL) {
+        perror(inputName);
+        returnCode = -1;
+    }
+
+    return returnCode;;
+}
+
+
+int dabInputDmbFileRead(dabInputOperations* ops, void* args, void* buffer, int size)
+{
+    int nbBytes = 0;
+    dabInputDmbFileData* input = (dabInputDmbFileData*)args;
+    dabInputFifoStats* stats = (dabInputFifoStats*)&input->stats;
+
+    input->stats.frameRecords[input->stats.frameCount].curSize = 0;
+    input->stats.frameRecords[input->stats.frameCount].maxSize = size;
+
+    if (input->bufferLength == 0) {
+        input->bufferLength = fread(input->buffer, 188, 1, input->file);
+    }
+/*    while ((nbBytes = writePacket(input->packet->getData(),
+                    input->packet->getLength(), buffer, size, input->info))
+            != 0) {
+        input->stats.frameRecords[input->stats.frameCount].curSize = nbBytes;
+        input->socket->receive(*input->packet);
+    }*/
+    while ((nbBytes = input->dmb->encode(input->buffer,
+                    input->bufferLength * 188, buffer, size))
+            != 0) {
+        input->stats.frameRecords[input->stats.frameCount].curSize = nbBytes;
+        input->bufferLength = fread(input->buffer, 188, 1, input->file);
+        if (input->bufferLength == 0) {
+            etiLog.print(TcpLog::NOTICE, "reach end of file -> rewinding\n");
+            if (fseek(input->file, 0, SEEK_SET) == 0) {
+                input->bufferLength = fread(input->buffer, 188, 1, input->file);
+            }
+        }
+        //++mpgFrameNb;
+    }
+    //++dmbFrameNb;
+
+    if (input->bufferLength != 0) {
+        input->stats.frameRecords[input->stats.frameCount].curSize = size;
+    }
+
+    if (++stats->frameCount == NB_RECORDS) {
+        etiLog.print(TcpLog::INFO, "Data subchannel usage: (%i)",
+                stats->id);
+        for (int i = 0; i < stats->frameCount; ++i) {
+            etiLog.print(TcpLog::INFO, " %i/%i",
+                    stats->frameRecords[i].curSize,
+                    stats->frameRecords[i].maxSize);
+        }
+        etiLog.print(TcpLog::INFO, "\n");
+        stats->frameCount = 0;
+    }
+    return size;
+}
+
+
+int dabInputDmbFileClose(void* args)
+{
+    dabInputDmbFileData* input = (dabInputDmbFileData*)args;
+
+    if (input->file != NULL) {
+        if (fclose(input->file)) {
+            perror("");
+            return -1;
+        }
+    }
+
+    return 0;
+}
+
+
+int dabInputDmbFileClean(void** args)
+{
+    dabInputDmbFileData* input = (dabInputDmbFileData*)(*args);
+    dabInputDmbFileClose(args);
+    delete input->dmb;
+    delete input;
+    return 0;
+}
+
+
-- 
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