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Unified Diff: third_party/libva/test/decode/loadjpeg.c

Issue 10375035: Add libva to chromium third_party. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 7 months ago
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Index: third_party/libva/test/decode/loadjpeg.c
diff --git a/third_party/libva/test/decode/loadjpeg.c b/third_party/libva/test/decode/loadjpeg.c
new file mode 100644
index 0000000000000000000000000000000000000000..3e1a60b47e54d73b859f40aa57f1163a0a8a08ad
--- /dev/null
+++ b/third_party/libva/test/decode/loadjpeg.c
@@ -0,0 +1,134 @@
+/*
+ * 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;
+}
+
+
+
+

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