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authorgeronimo <geronimo013@gmx.de>2012-07-30 07:19:12 (GMT)
committergeronimo <geronimo013@gmx.de>2012-07-30 07:19:12 (GMT)
commit41922cdaf9c8db57c6b51f090eefe95b0008a0fb (patch)
treedbedbef06a7419552b7be90ac97b48417fda1fa1 /libs/mediaScan/src/AbstractMedia.cc
parent05bf6a9b1be1c03ed33df638d3f7d0fddf968ebc (diff)
downloadcmp-41922cdaf9c8db57c6b51f090eefe95b0008a0fb.tar.gz
cmp-41922cdaf9c8db57c6b51f090eefe95b0008a0fb.tar.bz2
former libfsScan now contains only media related stuff, so renamed lib to libmediaScan
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+/**
+ * ======================== legal notice ======================
+ *
+ * File: AbstractMedia.cc
+ * Created: 2. Juli 2012, 14
+ * Author: <a href="mailto:geronimo013@gmx.de">Geronimo</a>
+ * Project: libfsScan: mediatypes and filesystem scanning
+ *
+ * CMP - compound media player
+ *
+ * is a client/server mediaplayer intended to play any media from any workstation
+ * without the need to export or mount shares. cmps is an easy to use backend
+ * with a (ready to use) HTML-interface. Additionally the backend supports
+ * authentication via HTTP-digest authorization.
+ * cmpc is a client with vdr-like osd-menues.
+ *
+ * Copyright (c) 2012 Reinhard Mantey, some rights reserved!
+ * published under Creative Commons by-sa
+ * For details see http://creativecommons.org/licenses/by-sa/3.0/
+ *
+ * The cmp project's homepage is at http://projects.vdr-developer.org/projects/cmp
+ *
+ * --------------------------------------------------------------
+ */
+#include <AbstractMedia.h>
+#include <Logging.h>
+#include <File.h>
+#include <Url.h>
+#include <Codec.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <util.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+
+cAbstractMedia::cAbstractMedia(const cFile &File, const char *Mime, SupportedMediaType Type)
+ : fd(-1)
+ , mediaType(Type)
+ , mimeType(Mime ? strdup(Mime) : NULL)
+ , uri(NULL)
+ , logicalPath(NULL)
+ , keyPath(File)
+{
+ uri = keyPath.toURI();
+ logicalPath = cUrl::Decoder()->Decode(uri);
+}
+
+cAbstractMedia::~cAbstractMedia()
+{
+ free(mimeType);
+ free(uri);
+ free(logicalPath);
+}
+
+const char *cAbstractMedia::Name(void) const
+{
+ return keyPath.Name();
+}
+
+void cAbstractMedia::Refresh(void)
+{
+}
+
+size_t cAbstractMedia::ReadChunk(char* Buf, size_t bufSize)
+{
+ long rv = 0;
+ const char *path = AbsolutePath();
+
+ if (fd < 1) { // fd stays open between various calls
+ fd = open(path, O_RDONLY | O_LARGEFILE);
+ if (fd < 1) {
+ esyslog("could not open requested path %s - Error #%d", path, errno);
+ return 0;
+ }
+ }
+ isyslog("have filehandle #%d (%s)", fd, path);
+ if ((rv = read(fd, Buf, bufSize)) < 0)
+ esyslog("ERROR: failed to read from file %s #%d", path, errno);
+ else
+ isyslog("read %u bytes from file %s", rv, path);
+ if (rv < (long) bufSize) { // most probabely end of file
+ close(fd);
+ }
+ return rv;
+}
+
+void cAbstractMedia::Reset(void)
+{
+ if (fd >= 0) {
+ close(fd);
+ fd = -1;
+ }
+}
+
+size_t cAbstractMedia::Size(void) const
+{
+ return keyPath.Size();
+}
+
+const char *cAbstractMedia::MediaType2Text(int Type)
+{
+ switch(Type) {
+ case Audio: return TO_STRING(Audio);
+ case Movie: return TO_STRING(Movie);
+ case DVDImage: return TO_STRING(DVDImage);
+ case LegacyVdrRecording: return TO_STRING(LegacyVdrRecording);
+ case VdrRecording: return TO_STRING(VdrRecording);
+ case Picture: return TO_STRING(Picture);
+ default: return TO_STRING(Invalid);
+ }
+}
+
+bool cAbstractMedia::NeedsFurtherScan(void) const
+{
+ return false;
+}
+
+const char *cAbstractMedia::AbsolutePath(void) const
+{
+ return keyPath.AbsolutePath();
+}
+
+ulong cAbstractMedia::LastModified(void) const
+{
+ return keyPath.LastModified();
+}
+
+void cAbstractMedia::SetMimeType(const char *MimeType)
+{
+ if (mimeType == MimeType) return;
+ free(mimeType);
+ mimeType = strdup(MimeType);
+}