summaryrefslogtreecommitdiff
path: root/Build/source/libs/poppler/poppler-0.24.1/poppler/Sound.cc
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/poppler/poppler-0.24.1/poppler/Sound.cc')
-rw-r--r--Build/source/libs/poppler/poppler-0.24.1/poppler/Sound.cc145
1 files changed, 145 insertions, 0 deletions
diff --git a/Build/source/libs/poppler/poppler-0.24.1/poppler/Sound.cc b/Build/source/libs/poppler/poppler-0.24.1/poppler/Sound.cc
new file mode 100644
index 00000000000..6129fdcb47d
--- /dev/null
+++ b/Build/source/libs/poppler/poppler-0.24.1/poppler/Sound.cc
@@ -0,0 +1,145 @@
+/* Sound.cc - an object that holds the sound structure
+ * Copyright (C) 2006-2007, Pino Toscano <pino@kde.org>
+ * Copyright (C) 2009, Albert Astals Cid <aacid@kde.org>
+ *
+ * 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 2, 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "GooString.h"
+#include "Object.h"
+#include "Sound.h"
+#include "Stream.h"
+#include "FileSpec.h"
+
+Sound *Sound::parseSound(Object *obj)
+{
+ // let's try to see if this Object is a Sound, according to the PDF specs
+ // (section 9.2)
+ Stream *str = NULL;
+ // the Object must be a Stream
+ if (obj->isStream()) {
+ str = obj->getStream();
+ } else {
+ return NULL;
+ }
+ // the Stream must have a Dict
+ Dict *dict = str->getDict();
+ if (dict == NULL)
+ return NULL;
+ Object tmp;
+ // the Dict must have the 'R' key of type num
+ dict->lookup("R", &tmp);
+ if (tmp.isNum()) {
+ return new Sound(obj);
+ } else {
+ return NULL;
+ }
+}
+
+Sound::Sound(Object *obj, bool readAttrs)
+{
+ streamObj = new Object();
+ streamObj->initNull();
+ obj->copy(streamObj);
+
+ fileName = NULL;
+ samplingRate = 0.0;
+ channels = 1;
+ bitsPerSample = 8;
+ encoding = soundRaw;
+
+ if (readAttrs)
+ {
+ Object tmp;
+ Dict *dict = streamObj->getStream()->getDict();
+ dict->lookup("F", &tmp);
+ if (!tmp.isNull()) {
+ Object obj1;
+ // valid 'F' key -> external file
+ kind = soundExternal;
+ if (getFileSpecNameForPlatform (&tmp, &obj1)) {
+ fileName = obj1.getString()->copy();
+ obj1.free();
+ }
+ } else {
+ // no file specification, then the sound data have to be
+ // extracted from the stream
+ kind = soundEmbedded;
+ }
+ tmp.free();
+ // sampling rate
+ dict->lookup("R", &tmp);
+ if (tmp.isNum()) {
+ samplingRate = tmp.getNum();
+ }
+ tmp.free();
+ // sound channels
+ dict->lookup("C", &tmp);
+ if (tmp.isInt()) {
+ channels = tmp.getInt();
+ }
+ tmp.free();
+ // bits per sample
+ dict->lookup("B", &tmp);
+ if (tmp.isInt()) {
+ bitsPerSample = tmp.getInt();
+ }
+ tmp.free();
+ // encoding format
+ dict->lookup("E", &tmp);
+ if (tmp.isName())
+ {
+ const char *enc = tmp.getName();
+ if (strcmp("Raw", enc) == 0) {
+ encoding = soundRaw;
+ } else if (strcmp("Signed", enc) == 0) {
+ encoding = soundSigned;
+ } else if (strcmp("muLaw", enc) == 0) {
+ encoding = soundMuLaw;
+ } else if (strcmp("ALaw", enc) == 0) {
+ encoding = soundALaw;
+ }
+ }
+ tmp.free();
+ }
+}
+
+Sound::~Sound()
+{
+ delete fileName;
+ streamObj->free();
+ delete streamObj;
+}
+
+Stream *Sound::getStream()
+{
+ return streamObj->getStream();
+}
+
+Sound *Sound::copy()
+{
+ Sound *newsound = new Sound(streamObj, false);
+
+ newsound->kind = kind;
+ if (fileName) {
+ newsound->fileName = fileName->copy();
+ }
+ newsound->samplingRate = samplingRate;
+ newsound->channels = channels;
+ newsound->bitsPerSample = bitsPerSample;
+ newsound->encoding = encoding;
+
+ return newsound;
+}