libbpg-0.9.6

2015-10-27 11:46:00 +01:00 · 2015-10-27 11:46:00 +01:00 · 35a8402710
commit 35a8402710
parent 3035b41edf
248 changed files with 232891 additions and 100 deletions
--- a/x265/source/common/piclist.cpp
+++ b/x265/source/common/piclist.cpp
@ -0,0 +1,151 @@
+/*****************************************************************************
+ * Copyright (C) 2013 x265 project
+ *
+ * Authors: Gopu Govindaswamy <gopu@multicorewareinc.com>
+ *
+ * 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 of the License, 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  02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at license @ x265.com.
+ *****************************************************************************/
+
+#include "common.h"
+#include "piclist.h"
+#include "frame.h"
+
+using namespace X265_NS;
+
+void PicList::pushFront(Frame& curFrame)
+{
+    X265_CHECK(!curFrame.m_next && !curFrame.m_prev, "piclist: picture already in list\n"); // ensure frame is not in a list
+    curFrame.m_next = m_start;
+    curFrame.m_prev = NULL;
+
+    if (m_count)
+    {
+        m_start->m_prev = &curFrame;
+        m_start = &curFrame;
+    }
+    else
+    {
+        m_start = m_end = &curFrame;
+    }
+    m_count++;
+}
+
+void PicList::pushBack(Frame& curFrame)
+{
+    X265_CHECK(!curFrame.m_next && !curFrame.m_prev, "piclist: picture already in list\n"); // ensure frame is not in a list
+    curFrame.m_next = NULL;
+    curFrame.m_prev = m_end;
+
+    if (m_count)
+    {
+        m_end->m_next = &curFrame;
+        m_end = &curFrame;
+    }
+    else
+    {
+        m_start = m_end = &curFrame;
+    }
+    m_count++;
+}
+
+Frame *PicList::popFront()
+{
+    if (m_start)
+    {
+        Frame *temp = m_start;
+        m_count--;
+
+        if (m_count)
+        {
+            m_start = m_start->m_next;
+            m_start->m_prev = NULL;
+        }
+        else
+        {
+            m_start = m_end = NULL;
+        }
+        temp->m_next = temp->m_prev = NULL;
+        return temp;
+    }
+    else
+        return NULL;
+}
+
+Frame* PicList::getPOC(int poc)
+{
+    Frame *curFrame = m_start;
+    while (curFrame && curFrame->m_poc != poc)
+        curFrame = curFrame->m_next;
+    return curFrame;
+}
+
+Frame *PicList::popBack()
+{
+    if (m_end)
+    {
+        Frame* temp = m_end;
+        m_count--;
+
+        if (m_count)
+        {
+            m_end = m_end->m_prev;
+            m_end->m_next = NULL;
+        }
+        else
+        {
+            m_start = m_end = NULL;
+        }
+        temp->m_next = temp->m_prev = NULL;
+        return temp;
+    }
+    else
+        return NULL;
+}
+
+void PicList::remove(Frame& curFrame)
+{
+#if _DEBUG
+    Frame *tmp = m_start;
+    while (tmp && tmp != &curFrame)
+    {
+        tmp = tmp->m_next;
+    }
+
+    X265_CHECK(tmp == &curFrame, "piclist: pic being removed was not in list\n"); // verify pic is in this list
+#endif
+
+    m_count--;
+    if (m_count)
+    {
+        if (m_start == &curFrame)
+            m_start = curFrame.m_next;
+        if (m_end == &curFrame)
+            m_end = curFrame.m_prev;
+
+        if (curFrame.m_next)
+            curFrame.m_next->m_prev = curFrame.m_prev;
+        if (curFrame.m_prev)
+            curFrame.m_prev->m_next = curFrame.m_next;
+    }
+    else
+    {
+        m_start = m_end = NULL;
+    }
+
+    curFrame.m_next = curFrame.m_prev = NULL;
+}