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authorMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
committerMatthias (think) <matthias@mpb.li>2012-07-11 11:49:12 +0200
commitbbab73a63b8c7b50e8a8cb228999d45024fad984 (patch)
tree81a822aa9bd33cae8a5fb8ade4faa83b652316d9 /src/dabInputDmbFile.cpp
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added unmodified mmbtools
Diffstat (limited to 'src/dabInputDmbFile.cpp')
-rw-r--r--src/dabInputDmbFile.cpp161
1 files changed, 161 insertions, 0 deletions
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;
+}
+
+