#!/bin/sh
##
##  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
##
##  Use of this source code is governed by a BSD-style license
##  that can be found in the LICENSE file in the root of the source
##  tree. An additional intellectual property rights grant can be found
##  in the file PATENTS.  All contributing project authors may
##  be found in the AUTHORS file in the root of the source tree.
##
##  This file tests the libvpx vp9_spatial_svc_encoder example. To add new
##  tests to to this file, do the following:
##    1. Write a shell function (this is your test).
##    2. Add the function to vp9_spatial_svc_tests (on a new line).
##
. $(dirname $0)/tools_common.sh

# Environment check: $YUV_RAW_INPUT is required.
vp9_spatial_svc_encoder_verify_environment() {
  if [ ! -e "${YUV_RAW_INPUT}" ]; then
    echo "Libvpx test data must exist in LIBVPX_TEST_DATA_PATH."
    return 1
  fi
}

# Runs vp9_spatial_svc_encoder. $1 is the test name.
vp9_spatial_svc_encoder() {
  local encoder="${LIBVPX_BIN_PATH}/vp9_spatial_svc_encoder"
  encoder="${encoder}${VPX_TEST_EXE_SUFFIX}"
  local test_name="$1"
  local output_file="${VPX_TEST_OUTPUT_DIR}/vp9_ssvc_encoder${test_name}.ivf"
  local frames_to_encode="10"
  local max_kf="9999"

  shift

  if [ ! -x "${encoder}" ]; then
    elog "${encoder} does not exist or is not executable."
    return 1
  fi

  eval "${VPX_TEST_PREFIX}" "${encoder}" -w "${YUV_RAW_INPUT_WIDTH}" \
      -h "${YUV_RAW_INPUT_HEIGHT}" -k "${max_kf}" -f "${frames_to_encode}" \
      "$@" "${YUV_RAW_INPUT}" "${output_file}" ${devnull}

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

# Each mode is run with layer count 1-$vp9_ssvc_test_layers.
vp9_ssvc_test_layers=5

vp9_spatial_svc_mode_i() {
  if [ "$(vp9_encode_available)" = "yes" ]; then
    local test_name="${FUNCNAME}"
    for layers in $(seq 1 ${vp9_ssvc_test_layers}); do
      vp9_spatial_svc_encoder "${test_name}" -m i -l ${layers}
    done
  fi
}

vp9_spatial_svc_mode_altip() {
  if [ "$(vp9_encode_available)" = "yes" ]; then
    local test_name="${FUNCNAME}"
    for layers in $(seq 1 ${vp9_ssvc_test_layers}); do
      vp9_spatial_svc_encoder "${test_name}" -m "alt-ip" -l ${layers}
    done
  fi
}

vp9_spatial_svc_mode_ip() {
  if [ "$(vp9_encode_available)" = "yes" ]; then
    local test_name="${FUNCNAME}"
    vp9_spatial_svc_encoder "${test_name}" -m ip -l 1
  fi
}

vp9_spatial_svc_mode_gf() {
  if [ "$(vp9_encode_available)" = "yes" ]; then
    local test_name="${FUNCNAME}"
    for layers in $(seq 1 ${vp9_ssvc_test_layers}); do
      vp9_spatial_svc_encoder "${test_name}" -m gf -l ${layers}
    done
  fi
}

vp9_spatial_svc_tests="vp9_spatial_svc_mode_i
                       vp9_spatial_svc_mode_altip
                       vp9_spatial_svc_mode_ip
                       vp9_spatial_svc_mode_gf"

run_tests vp9_spatial_svc_encoder_verify_environment "${vp9_spatial_svc_tests}"