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_with_drops.sh b/third_party/aom/test/decode_with_drops.sh
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+++ b/third_party/aom/test/decode_with_drops.sh
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+#!/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_with_drops 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_with_drops_tests (on a new line).
+##
+. $(dirname $0)/tools_common.sh
+
+# Environment check: Make sure input is available:
+#   $AOM_IVF_FILE and $AV1_IVF_FILE are required.
+decode_with_drops_verify_environment() {
+  if [ "$(av1_encode_available)" != "yes" ] && [ ! -e "${AV1_IVF_FILE}" ]; then
+    return 1
+  fi
+}
+
+# Runs decode_with_drops on $1, $2 is interpreted as codec name and used solely
+# to name the output file. $3 is the drop mode, and is passed directly to
+# decode_with_drops.
+decode_with_drops() {
+  local decoder="${LIBAOM_BIN_PATH}/decode_with_drops${AOM_TEST_EXE_SUFFIX}"
+  local input_file="$1"
+  local codec="$2"
+  local output_file="${AOM_TEST_OUTPUT_DIR}/decode_with_drops_${codec}"
+  local drop_mode="$3"
+
+  if [ ! -x "${decoder}" ]; then
+    elog "${decoder} does not exist or is not executable."
+    return 1
+  fi
+
+  eval "${AOM_TEST_PREFIX}" "${decoder}" "${input_file}" "${output_file}" \
+      "${drop_mode}" ${devnull}
+
+  [ -e "${output_file}" ] || return 1
+}
+
+
+# Decodes $AV1_IVF_FILE while dropping frames, twice: once in sequence mode,
+# and once in pattern mode.
+decode_with_drops_av1() {
+  if [ "$(av1_decode_available)" = "yes" ]; then
+    local file="${AV1_IVF_FILE}"
+    if [ ! -e "${AV1_IVF_FILE}" ]; then
+      file="${AOM_TEST_OUTPUT_DIR}/test_encode.ivf"
+      encode_yuv_raw_input_av1 "${file}" --ivf
+    fi
+    # Drop frames 2 and 3.
+    decode_with_drops "${file}" "av1" "2-3"
+
+    # Test pattern mode: Drop 3 of every 4 frames.
+    decode_with_drops "${file}" "av1" "3/4"
+  fi
+}
+
+decode_with_drops_tests="decode_with_drops_av1"
+
+run_tests decode_with_drops_verify_environment "${decode_with_drops_tests}"