Add libva to chromium third_party.

third_party/libva/test/decode/loadjpeg.c

+/*
+ * Small jpeg decoder library - testing application
+ *
+ * Copyright (c) 2006, Luc Saillard <luc@saillard.org>
+ * Copyright (c) 2012 Intel Corporation.
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 
+ * - Redistributions of source code must retain the above copyright notice,
+ *  this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright notice,
+ *  this list of conditions and the following disclaimer in the documentation
+ *  and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the author nor the names of its contributors may be
+ *  used to endorse or promote products derived from this software without
+ *  specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "tinyjpeg.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+static void exitmessage(const char *message) __attribute__((noreturn));
+static void exitmessage(const char *message)
+{
+  printf("%s\n", message);
+  exit(0);
+}
+
+static int filesize(FILE *fp)
+{
+  long pos;
+  fseek(fp, 0, SEEK_END);
+  pos = ftell(fp);
+  fseek(fp, 0, SEEK_SET);
+  return pos;
+}
+
+/**
+ * Load one jpeg image, and decompress it, and save the result.
+ */
+int convert_one_image(const char *infilename)
+{
+  FILE *fp;
+  unsigned int length_of_file;
+  unsigned int width, height;
+  unsigned char *buf;
+  struct jdec_private *jdec;
+
+  /* Load the Jpeg into memory */
+  fp = fopen(infilename, "rb");
+  if (fp == NULL)
+    exitmessage("Cannot open filename\n");
+  length_of_file = filesize(fp);
+  buf = (unsigned char *)malloc(length_of_file + 4);
+  if (buf == NULL)
+    exitmessage("Not enough memory for loading file\n");
+  fread(buf, length_of_file, 1, fp);
+  fclose(fp);
+
+  /* Decompress it */
+  jdec = tinyjpeg_init();
+  if (jdec == NULL)
+    exitmessage("Not enough memory to alloc the structure need for decompressing\n");
+
+  if (tinyjpeg_parse_header(jdec, buf, length_of_file)<0)
+    exitmessage(tinyjpeg_get_errorstring(jdec));
+
+  /* Get the size of the image */
+  tinyjpeg_get_size(jdec, &width, &height);
+
+  printf("Decoding JPEG image %xx%x...\n", width, height);
+  if (tinyjpeg_decode(jdec) < 0)
+    exitmessage(tinyjpeg_get_errorstring(jdec));
+
+  tinyjpeg_free(jdec);
+
+  free(buf);
+  return 0;
+}
+
+static void usage(void)
+{
+    fprintf(stderr, "Usage: loadjpeg <input_filename.jpeg> \n");
+    exit(1);
+}
+
+/**
+ * main
+ *
+ */
+int main(int argc, char *argv[])
+{
+  char *input_filename;
+  clock_t start_time, finish_time;
+  unsigned int duration;
+  int current_argument;
+
+  if (argc < 2)
+    usage();
+
+  current_argument = 1;
+  input_filename = argv[current_argument];
+
+  start_time = clock();
+  convert_one_image(input_filename);
+  finish_time = clock();
+  duration = finish_time - start_time;
+  printf("Decoding finished in %u ticks\n", duration);
+
+  return 0;
+}
+
+
+
+