Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 67 insertions, 0 deletions

diff --git a/third_party/aom/test/decode_to_md5.sh b/third_party/aom/test/decode_to_md5.sh
new file mode 100755
index 000000000..44c9f5f05
--- /dev/null
+++ b/third_party/aom/test/decode_to_md5.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+## Copyright (c) 2016, Alliance for Open Media. All rights reserved
+##
+## This source code is subject to the terms of the BSD 2 Clause License and
+## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+## was not distributed with this source code in the LICENSE file, you can
+## obtain it at www.aomedia.org/license/software. If the Alliance for Open
+## Media Patent License 1.0 was not distributed with this source code in the
+## PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+##
+## This file tests the libaom decode_to_md5 example. To add new tests to this
+## file, do the following:
+##   1. Write a shell function (this is your test).
+##   2. Add the function to decode_to_md5_tests (on a new line).
+##
+. $(dirname $0)/tools_common.sh
+
+# Environment check: Make sure input is available:
+#   $AOM_IVF_FILE and $AV1_IVF_FILE are required.
+decode_to_md5_verify_environment() {
+  if [ "$(av1_encode_available)" != "yes" ] && [ ! -e "${AV1_IVF_FILE}" ]; then
+    return 1
+  fi
+}
+
+# Runs decode_to_md5 on $1 and captures the md5 sum for the final frame. $2 is
+# interpreted as codec name and used solely to name the output file. $3 is the
+# expected md5 sum: It must match that of the final frame.
+decode_to_md5() {
+  local decoder="${LIBAOM_BIN_PATH}/decode_to_md5${AOM_TEST_EXE_SUFFIX}"
+  local input_file="$1"
+  local codec="$2"
+  local expected_md5="$3"
+  local output_file="${AOM_TEST_OUTPUT_DIR}/decode_to_md5_${codec}"
+
+  if [ ! -x "${decoder}" ]; then
+    elog "${decoder} does not exist or is not executable."
+    return 1
+  fi
+
+  eval "${AOM_TEST_PREFIX}" "${decoder}" "${input_file}" "${output_file}" \
+      ${devnull}
+
+  [ -e "${output_file}" ] || return 1
+
+  local md5_last_frame="$(tail -n1 "${output_file}" | awk '{print $1}')"
+  local actual_md5="$(echo "${md5_last_frame}" | awk '{print $1}')"
+  [ "${actual_md5}" = "${expected_md5}" ] || return 1
+}
+
+decode_to_md5_av1() {
+  # expected MD5 sum for the last frame.
+  local expected_md5="26d3ef1d60754a1f6acb603c3763efbe"
+  local file="${AV1_IVF_FILE}"
+
+  if [ "$(av1_decode_available)" = "yes" ]; then
+    if [ ! -e "${AV1_IVF_FILE}" ]; then
+      file="${AOM_TEST_OUTPUT_DIR}/test_encode.ivf"
+      encode_yuv_raw_input_av1 "${file}" --ivf
+    fi
+    decode_to_md5 "${file}" "av1" "${expected_md5}"
+  fi
+}
+
+decode_to_md5_tests="decode_to_md5_av1"
+
+run_tests decode_to_md5_verify_environment "${decode_to_md5_tests}"