Import aom library

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

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

third_party/aom/test/aomdec.sh

@@ -0,0 +1,124 @@
+#!/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 aomdec. To add new tests to this file, do the following:
+##   1. Write a shell function (this is your test).
+##   2. Add the function to aomdec_tests (on a new line).
+##
+. $(dirname $0)/tools_common.sh
+
+# Environment check: Make sure input is available.
+aomdec_verify_environment() {
+  if [ "$(av1_encode_available)" != "yes" ] ; then
+    if [ ! -e "${AV1_WEBM_FILE}" ] || \
+      [ ! -e "${AV1_FPM_WEBM_FILE}" ] || \
+      [ ! -e "${AV1_LT_50_FRAMES_WEBM_FILE}" ] ; then
+      elog "Libaom test data must exist in LIBAOM_TEST_DATA_PATH."
+      return 1
+    fi
+  fi
+  if [ -z "$(aom_tool_path aomdec)" ]; then
+    elog "aomdec not found. It must exist in LIBAOM_BIN_PATH or its parent."
+    return 1
+  fi
+}
+
+# Wrapper function for running aomdec with pipe input. Requires that
+# LIBAOM_BIN_PATH points to the directory containing aomdec. $1 is used as the
+# input file path and shifted away. All remaining parameters are passed through
+# to aomdec.
+aomdec_pipe() {
+  local readonly input="$1"
+  shift
+  if [ ! -e "${input}" ]; then
+    local file="${AOM_TEST_OUTPUT_DIR}/test_encode.ivf"
+    encode_yuv_raw_input_av1 "${file}" --ivf
+  else
+    local file="${input}"
+  fi
+  cat "${file}" | aomdec - "$@" ${devnull}
+}
+
+
+# Wrapper function for running aomdec. Requires that LIBAOM_BIN_PATH points to
+# the directory containing aomdec. $1 one is used as the input file path and
+# shifted away. All remaining parameters are passed through to aomdec.
+aomdec() {
+  local readonly decoder="$(aom_tool_path aomdec)"
+  local readonly input="$1"
+  shift
+  eval "${AOM_TEST_PREFIX}" "${decoder}" "$input" "$@" ${devnull}
+}
+
+aomdec_can_decode_av1() {
+  if [ "$(av1_decode_available)" = "yes" ]; then
+    echo yes
+  fi
+}
+
+aomdec_aom_ivf_pipe_input() {
+  if [ "$(aomdec_can_decode_av1)" = "yes" ]; then
+    aomdec_pipe "${AOM_IVF_FILE}" --summary --noblit
+  fi
+}
+
+aomdec_av1_webm() {
+  if [ "$(aomdec_can_decode_av1)" = "yes" ] && \
+     [ "$(webm_io_available)" = "yes" ]; then
+    if [ ! -e "${AV1_WEBM_FILE}" ]; then
+      local file="${AOM_TEST_OUTPUT_DIR}/test_encode.webm"
+      encode_yuv_raw_input_av1 "${file}"
+    else
+      aomdec "${AV1_WEBM_FILE}" --summary --noblit
+    fi
+  fi
+}
+
+aomdec_av1_webm_frame_parallel() {
+  if [ "$(aomdec_can_decode_av1)" = "yes" ] && \
+     [ "$(webm_io_available)" = "yes" ]; then
+    local file
+    if [ ! -e "${AV1_WEBM_FILE}" ]; then
+      file="${AOM_TEST_OUTPUT_DIR}/test_encode.webm"
+      encode_yuv_raw_input_av1 "${file}" "--ivf --error-resilient=1 "
+    else
+      file="${AV1_FPM_WEBM_FILE}"
+    fi
+    for threads in 2 3 4 5 6 7 8; do
+      aomdec "${file}" --summary --noblit --threads=$threads \
+        --frame-parallel
+    done
+  fi
+}
+
+# TODO(vigneshv): Enable or remove this test and associated code.
+DISABLED_aomdec_av1_webm_less_than_50_frames() {
+  # ensure that reaching eof in webm_guess_framerate doesn't result in invalid
+  # frames in actual webm_read_frame calls.
+  if [ "$(aomdec_can_decode_av1)" = "yes" ] && \
+     [ "$(webm_io_available)" = "yes" ]; then
+    local readonly decoder="$(aom_tool_path aomdec)"
+    local readonly expected=10
+    local readonly num_frames=$(${AOM_TEST_PREFIX} "${decoder}" \
+      "${AV1_LT_50_FRAMES_WEBM_FILE}" --summary --noblit 2>&1 \
+      | awk '/^[0-9]+ decoded frames/ { print $1 }')
+    if [ "$num_frames" -ne "$expected" ]; then
+      elog "Output frames ($num_frames) != expected ($expected)"
+      return 1
+    fi
+  fi
+}
+
+aomdec_tests="aomdec_av1_webm
+              aomdec_av1_webm_frame_parallel
+              aomdec_aom_ivf_pipe_input
+              DISABLED_aomdec_av1_webm_less_than_50_frames"
+
+run_tests aomdec_verify_environment "${aomdec_tests}"