1#!/bin/sh
2##
3##  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
4##
5##  Use of this source code is governed by a BSD-style license
6##  that can be found in the LICENSE file in the root of the source
7##  tree. An additional intellectual property rights grant can be found
8##  in the file PATENTS.  All contributing project authors may
9##  be found in the AUTHORS file in the root of the source tree.
10##
11##  This file tests the libvpx decode_with_drops example. To add new tests to
12##  this file, do the following:
13##    1. Write a shell function (this is your test).
14##    2. Add the function to decode_with_drops_tests (on a new line).
15##
16. $(dirname $0)/tools_common.sh
17
18# Environment check: Make sure input is available:
19#   $VP8_IVF_FILE and $VP9_IVF_FILE are required.
20decode_with_drops_verify_environment() {
21  if [ ! -e "${VP8_IVF_FILE}" ] || [ ! -e "${VP9_IVF_FILE}" ]; then
22    echo "Libvpx test data must exist in LIBVPX_TEST_DATA_PATH."
23    return 1
24  fi
25}
26
27# Runs decode_with_drops on $1, $2 is interpreted as codec name and used solely
28# to name the output file. $3 is the drop mode, and is passed directly to
29# decode_with_drops.
30decode_with_drops() {
31  local decoder="${LIBVPX_BIN_PATH}/decode_with_drops${VPX_TEST_EXE_SUFFIX}"
32  local input_file="$1"
33  local codec="$2"
34  local output_file="${VPX_TEST_OUTPUT_DIR}/decode_with_drops_${codec}"
35  local drop_mode="$3"
36
37  if [ ! -x "${decoder}" ]; then
38    elog "${decoder} does not exist or is not executable."
39    return 1
40  fi
41
42  eval "${VPX_TEST_PREFIX}" "${decoder}" "${input_file}" "${output_file}" \
43      "${drop_mode}" ${devnull}
44
45  [ -e "${output_file}" ] || return 1
46}
47
48# Decodes $VP8_IVF_FILE while dropping frames, twice: once in sequence mode,
49# and once in pattern mode.
50# Note: This test assumes that $VP8_IVF_FILE has exactly 29 frames, and could
51# break if the file is modified.
52decode_with_drops_vp8() {
53  if [ "$(vp8_decode_available)" = "yes" ]; then
54    # Test sequence mode: Drop frames 2-28.
55    decode_with_drops "${VP8_IVF_FILE}" "vp8" "2-28"
56
57    # Test pattern mode: Drop 3 of every 4 frames.
58    decode_with_drops "${VP8_IVF_FILE}" "vp8" "3/4"
59  fi
60}
61
62# Decodes $VP9_IVF_FILE while dropping frames, twice: once in sequence mode,
63# and once in pattern mode.
64# Note: This test assumes that $VP9_IVF_FILE has exactly 20 frames, and could
65# break if the file is modified.
66decode_with_drops_vp9() {
67  if [ "$(vp9_decode_available)" = "yes" ]; then
68    # Test sequence mode: Drop frames 2-28.
69    decode_with_drops "${VP9_IVF_FILE}" "vp9" "2-19"
70
71    # Test pattern mode: Drop 3 of every 4 frames.
72    decode_with_drops "${VP9_IVF_FILE}" "vp9" "3/4"
73  fi
74}
75
76decode_with_drops_tests="decode_with_drops_vp8
77                         decode_with_drops_vp9"
78
79run_tests decode_with_drops_verify_environment "${decode_with_drops_tests}"
80