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:

#   $AV1_IVF_FILE is 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="$(aom_tool_path decode_with_drops)"

  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} || return 1

  [ -e "${output_file}" ] || return 1

# Decodes $AV1_IVF_FILE while dropping frames, twice: once in sequence mode,

# and once in pattern mode.

DISABLED_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 || return 1

fi

    # Drop frames 3 and 4.

    decode_with_drops "${file}" "av1" "3-4" || return 1

    # Test pattern mode: Drop 3 of every 4 frames.

    decode_with_drops "${file}" "av1" "3/4" || return 1

fi

# TODO(yaowu): Disable this test as trailing_bit check is expected to fail

decode_with_drops_tests="DISABLED_decode_with_drops_av1"

run_tests decode_with_drops_verify_environment "${decode_with_drops_tests}"