src -> pinos and fix include paths

Rename src to pinos and fix all the include paths so that they contain
pinos/ to avoid conflicts

pinos/gst/gsttmpfileallocator.c

@@ -0,0 +1,144 @@
+/* GStreamer
+ * Copyright (C) 2014 William Manley <will@williammanley.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#define _GNU_SOURCE
+
+#include "gsttmpfileallocator.h"
+#include <gst/allocators/gstfdmemory.h>
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define PAGE_ALIGN 4095
+
+#define GST_TYPE_TMPFILE_ALLOCATOR    (gst_tmpfile_allocator_get_type ())
+
+typedef struct
+{
+  GstFdAllocator parent;
+} GstTmpFileAllocator;
+
+typedef struct
+{
+  GstFdAllocatorClass parent_class;
+} GstTmpFileAllocatorClass;
+
+GType gst_tmpfile_allocator_get_type (void);
+G_DEFINE_TYPE (GstTmpFileAllocator, gst_tmpfile_allocator, GST_TYPE_FD_ALLOCATOR);
+
+static int
+tmpfile_create (GstTmpFileAllocator * allocator, gsize size)
+{
+  char filename[] = "/dev/shm/tmpfilepay.XXXXXX";
+  int fd, result;
+
+  GST_DEBUG_OBJECT (allocator, "tmpfile_create");
+
+  fd = mkostemp (filename, O_CLOEXEC);
+  if (fd == -1) {
+    GST_WARNING_OBJECT (allocator, "Failed to create temporary file: %s",
+        strerror (errno));
+    return -1;
+  }
+  unlink (filename);
+
+  result = ftruncate (fd, size);
+  if (result == -1) {
+    GST_WARNING_OBJECT (allocator, "Failed to resize temporary file: %s",
+        strerror (errno));
+    close (fd);
+    return -1;
+  }
+
+  return fd;
+}
+
+
+inline static gsize
+pad (gsize off, gsize align)
+{
+  return (off + align) / (align + 1) * (align + 1);
+}
+
+static GstMemory *
+gst_tmpfile_allocator_alloc (GstAllocator * allocator, gsize size,
+    GstAllocationParams * params)
+{
+  GstTmpFileAllocator *alloc = (GstTmpFileAllocator *) allocator;
+  GstMemory *mem;
+  int fd;
+  gsize maxsize;
+
+  g_return_val_if_fail (params != NULL, NULL);
+
+  maxsize =
+      pad (size + pad (params->prefix, params->align) + params->padding,
+      PAGE_ALIGN);
+
+  fd = tmpfile_create (alloc, maxsize);
+  if (fd < 0)
+    return NULL;
+
+  mem = gst_fd_allocator_alloc (allocator, fd, maxsize, GST_FD_MEMORY_FLAG_NONE);
+  gst_memory_resize (mem, pad (params->prefix, params->align), size);
+
+  return mem;
+}
+
+static void
+gst_tmpfile_allocator_class_init (GstTmpFileAllocatorClass * klass)
+{
+  GstAllocatorClass *allocator_class;
+
+  allocator_class = (GstAllocatorClass *) klass;
+
+  allocator_class->alloc = gst_tmpfile_allocator_alloc;
+}
+
+static void
+gst_tmpfile_allocator_init (GstTmpFileAllocator * allocator)
+{
+  GstAllocator *alloc = GST_ALLOCATOR_CAST (allocator);
+
+  alloc->mem_type = GST_ALLOCATOR_TMPFILE;
+
+  GST_OBJECT_FLAG_UNSET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC);
+}
+
+GstAllocator *
+gst_tmpfile_allocator_new (void)
+{
+  return g_object_new (GST_TYPE_TMPFILE_ALLOCATOR, NULL);
+}
+
+gint
+gst_tmpfile_memory_get_fd (GstMemory * mem)
+{
+  g_return_val_if_fail (gst_is_tmpfile_memory (mem), -1);
+
+  return gst_fd_memory_get_fd (mem);
+}
+
+gboolean
+gst_is_tmpfile_memory (GstMemory * mem)
+{
+  return gst_memory_is_type (mem, GST_ALLOCATOR_TMPFILE);
+}