shell tests: Drop incorrect uses of readonly.

Change-Id: I0a01e1a7c04bbc026a1db0ba90d516548a1eaaed

7 files changed, 93 insertions, 93 deletions

diff --git a/build/make/iosbuild.sh b/build/make/iosbuild.sh
index 2442a282d..978ffbbb9 100755
--- a/build/make/iosbuild.sh
+++ b/build/make/iosbuild.sh
@@ -245,7 +245,7 @@ build_framework() {
 # Trap function. Cleans up the subtree used to build all targets contained in
 # $TARGETS.
 cleanup() {
-  local readonly res=$?
+  local res=$?
   cd "${ORIG_PWD}"
 
   if [ $res -ne 0 ]; then
diff --git a/test/stress.sh b/test/stress.sh
index a899c800c..ced9d3f98 100755
--- a/test/stress.sh
+++ b/test/stress.sh
@@ -30,7 +30,7 @@ SHA1_FILE="$(dirname $0)/test-data.sha1"
 # Download a file from the url and check its sha1sum.
 download_and_check_file() {
   # Get the file from the file path.
-  local readonly root="${1#${LIBVPX_TEST_DATA_PATH}/}"
+  local root="${1#${LIBVPX_TEST_DATA_PATH}/}"
 
   # Download the file using curl. Trap to insure non partial file.
   (trap "rm -f $1" INT TERM \
@@ -72,13 +72,13 @@ stress_verify_environment() {
 # This function runs tests on libvpx that run multiple encodes and decodes
 # in parallel in hopes of catching synchronization and/or threading issues.
 stress() {
-  local readonly decoder="$(vpx_tool_path vpxdec)"
-  local readonly encoder="$(vpx_tool_path vpxenc)"
-  local readonly codec="$1"
-  local readonly webm="$2"
-  local readonly decode_count="$3"
-  local readonly threads="$4"
-  local readonly enc_args="$5"
+  local decoder="$(vpx_tool_path vpxdec)"
+  local encoder="$(vpx_tool_path vpxenc)"
+  local codec="$1"
+  local webm="$2"
+  local decode_count="$3"
+  local threads="$4"
+  local enc_args="$5"
   local pids=""
   local rt_max_jobs=${STRESS_RT_MAX_JOBS:-5}
   local onepass_max_jobs=${STRESS_ONEPASS_MAX_JOBS:-5}
diff --git a/test/tools_common.sh b/test/tools_common.sh
index d39fa214a..7caad9f06 100755
--- a/test/tools_common.sh
+++ b/test/tools_common.sh
@@ -150,7 +150,7 @@ is_windows_target() {
 # empty string. Caller is responsible for testing the string once the function
 # returns.
 vpx_tool_path() {
-  local readonly tool_name="$1"
+  local tool_name="$1"
   local tool_path="${LIBVPX_BIN_PATH}/${tool_name}${VPX_TEST_EXE_SUFFIX}"
   if [ ! -x "${tool_path}" ]; then
     # Try one directory up: when running via examples.sh the tool could be in
diff --git a/test/vp8_multi_resolution_encoder.sh b/test/vp8_multi_resolution_encoder.sh
index 33fd5b0d8..bd45b5381 100755
--- a/test/vp8_multi_resolution_encoder.sh
+++ b/test/vp8_multi_resolution_encoder.sh
@@ -22,7 +22,7 @@ vp8_multi_resolution_encoder_verify_environment() {
       elog "Libvpx test data must exist in LIBVPX_TEST_DATA_PATH."
       return 1
     fi
-    local readonly app="vp8_multi_resolution_encoder"
+    local app="vp8_multi_resolution_encoder"
     if [ -z "$(vpx_tool_path "${app}")" ]; then
       elog "${app} not found. It must exist in LIBVPX_BIN_PATH or its parent."
       return 1
@@ -33,7 +33,7 @@ vp8_multi_resolution_encoder_verify_environment() {
 # Runs vp8_multi_resolution_encoder. Simply forwards all arguments to
 # vp8_multi_resolution_encoder after building path to the executable.
 vp8_mre() {
-  local readonly encoder="$(vpx_tool_path vp8_multi_resolution_encoder)"
+  local encoder="$(vpx_tool_path vp8_multi_resolution_encoder)"
   if [ ! -x "${encoder}" ]; then
     elog "${encoder} does not exist or is not executable."
     return 1
@@ -43,13 +43,13 @@ vp8_mre() {
 }
 
 vp8_multi_resolution_encoder_three_formats() {
-  local readonly output_files="${VPX_TEST_OUTPUT_DIR}/vp8_mre_0.ivf
-                               ${VPX_TEST_OUTPUT_DIR}/vp8_mre_1.ivf
-                               ${VPX_TEST_OUTPUT_DIR}/vp8_mre_2.ivf"
-  local readonly layer_bitrates="150 80 50"
-  local readonly keyframe_insert="200"
-  local readonly temporal_layers="3 3 3"
-  local readonly framerate="30"
+  local output_files="${VPX_TEST_OUTPUT_DIR}/vp8_mre_0.ivf
+                      ${VPX_TEST_OUTPUT_DIR}/vp8_mre_1.ivf
+                      ${VPX_TEST_OUTPUT_DIR}/vp8_mre_2.ivf"
+  local layer_bitrates="150 80 50"
+  local keyframe_insert="200"
+  local temporal_layers="3 3 3"
+  local framerate="30"
 
   if [ "$(vpx_config_option_enabled CONFIG_MULTI_RES_ENCODING)" = "yes" ]; then
     if [ "$(vp8_encode_available)" = "yes" ]; then
diff --git a/test/vpx_temporal_svc_encoder.sh b/test/vpx_temporal_svc_encoder.sh
index 56a7902f4..fd1045e7f 100755
--- a/test/vpx_temporal_svc_encoder.sh
+++ b/test/vpx_temporal_svc_encoder.sh
@@ -85,7 +85,7 @@ files_exist() {
 
 vpx_tsvc_encoder_vp8_mode_0() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_0"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_0"
     vpx_tsvc_encoder vp8 "${output_basename}" 0 200 || return 1
     # Mode 0 produces 1 stream
     files_exist "${output_basename}" 1 || return 1
@@ -94,7 +94,7 @@ vpx_tsvc_encoder_vp8_mode_0() {
 
 vpx_tsvc_encoder_vp8_mode_1() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_1"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_1"
     vpx_tsvc_encoder vp8 "${output_basename}" 1 200 400 || return 1
     # Mode 1 produces 2 streams
     files_exist "${output_basename}" 2 || return 1
@@ -103,7 +103,7 @@ vpx_tsvc_encoder_vp8_mode_1() {
 
 vpx_tsvc_encoder_vp8_mode_2() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_2"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_2"
     vpx_tsvc_encoder vp8 "${output_basename}" 2 200 400 || return 1
     # Mode 2 produces 2 streams
     files_exist "${output_basename}" 2 || return 1
@@ -112,7 +112,7 @@ vpx_tsvc_encoder_vp8_mode_2() {
 
 vpx_tsvc_encoder_vp8_mode_3() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_3"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_3"
     vpx_tsvc_encoder vp8 "${output_basename}" 3 200 400 600 || return 1
     # Mode 3 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -121,7 +121,7 @@ vpx_tsvc_encoder_vp8_mode_3() {
 
 vpx_tsvc_encoder_vp8_mode_4() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_4"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_4"
     vpx_tsvc_encoder vp8 "${output_basename}" 4 200 400 600 || return 1
     # Mode 4 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -130,7 +130,7 @@ vpx_tsvc_encoder_vp8_mode_4() {
 
 vpx_tsvc_encoder_vp8_mode_5() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_5"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_5"
     vpx_tsvc_encoder vp8 "${output_basename}" 5 200 400 600 || return 1
     # Mode 5 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -139,7 +139,7 @@ vpx_tsvc_encoder_vp8_mode_5() {
 
 vpx_tsvc_encoder_vp8_mode_6() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_6"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_6"
     vpx_tsvc_encoder vp8 "${output_basename}" 6 200 400 600 || return 1
     # Mode 6 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -148,7 +148,7 @@ vpx_tsvc_encoder_vp8_mode_6() {
 
 vpx_tsvc_encoder_vp8_mode_7() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_7"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_7"
     vpx_tsvc_encoder vp8 "${output_basename}" 7 200 400 600 800 1000 || return 1
     # Mode 7 produces 5 streams
     files_exist "${output_basename}" 5 || return 1
@@ -157,7 +157,7 @@ vpx_tsvc_encoder_vp8_mode_7() {
 
 vpx_tsvc_encoder_vp8_mode_8() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_8"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_8"
     vpx_tsvc_encoder vp8 "${output_basename}" 8 200 400 || return 1
     # Mode 8 produces 2 streams
     files_exist "${output_basename}" 2 || return 1
@@ -166,7 +166,7 @@ vpx_tsvc_encoder_vp8_mode_8() {
 
 vpx_tsvc_encoder_vp8_mode_9() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_9"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_9"
     vpx_tsvc_encoder vp8 "${output_basename}" 9 200 400 600 || return 1
     # Mode 9 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -175,7 +175,7 @@ vpx_tsvc_encoder_vp8_mode_9() {
 
 vpx_tsvc_encoder_vp8_mode_10() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_10"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_10"
     vpx_tsvc_encoder vp8 "${output_basename}" 10 200 400 600 || return 1
     # Mode 10 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -184,7 +184,7 @@ vpx_tsvc_encoder_vp8_mode_10() {
 
 vpx_tsvc_encoder_vp8_mode_11() {
   if [ "$(vp8_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp8_mode_11"
+    local output_basename="vpx_tsvc_encoder_vp8_mode_11"
     vpx_tsvc_encoder vp8 "${output_basename}" 11 200 400 600 || return 1
     # Mode 11 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -193,7 +193,7 @@ vpx_tsvc_encoder_vp8_mode_11() {
 
 vpx_tsvc_encoder_vp9_mode_0() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_0"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_0"
     vpx_tsvc_encoder vp9 "${output_basename}" 0 200 || return 1
     # Mode 0 produces 1 stream
     files_exist "${output_basename}" 1 || return 1
@@ -202,7 +202,7 @@ vpx_tsvc_encoder_vp9_mode_0() {
 
 vpx_tsvc_encoder_vp9_mode_1() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_1"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_1"
     vpx_tsvc_encoder vp9 "${output_basename}" 1 200 400 || return 1
     # Mode 1 produces 2 streams
     files_exist "${output_basename}" 2 || return 1
@@ -211,7 +211,7 @@ vpx_tsvc_encoder_vp9_mode_1() {
 
 vpx_tsvc_encoder_vp9_mode_2() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_2"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_2"
     vpx_tsvc_encoder vp9 "${output_basename}" 2 200 400 || return 1
     # Mode 2 produces 2 streams
     files_exist "${output_basename}" 2 || return 1
@@ -220,7 +220,7 @@ vpx_tsvc_encoder_vp9_mode_2() {
 
 vpx_tsvc_encoder_vp9_mode_3() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_3"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_3"
     vpx_tsvc_encoder vp9 "${output_basename}" 3 200 400 600 || return 1
     # Mode 3 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -229,7 +229,7 @@ vpx_tsvc_encoder_vp9_mode_3() {
 
 vpx_tsvc_encoder_vp9_mode_4() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_4"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_4"
     vpx_tsvc_encoder vp9 "${output_basename}" 4 200 400 600 || return 1
     # Mode 4 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -238,7 +238,7 @@ vpx_tsvc_encoder_vp9_mode_4() {
 
 vpx_tsvc_encoder_vp9_mode_5() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_5"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_5"
     vpx_tsvc_encoder vp9 "${output_basename}" 5 200 400 600 || return 1
     # Mode 5 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -247,7 +247,7 @@ vpx_tsvc_encoder_vp9_mode_5() {
 
 vpx_tsvc_encoder_vp9_mode_6() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_6"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_6"
     vpx_tsvc_encoder vp9 "${output_basename}" 6 200 400 600 || return 1
     # Mode 6 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -256,7 +256,7 @@ vpx_tsvc_encoder_vp9_mode_6() {
 
 vpx_tsvc_encoder_vp9_mode_7() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_7"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_7"
     vpx_tsvc_encoder vp9 "${output_basename}" 7 200 400 600 800 1000 || return 1
     # Mode 7 produces 5 streams
     files_exist "${output_basename}" 5 || return 1
@@ -265,7 +265,7 @@ vpx_tsvc_encoder_vp9_mode_7() {
 
 vpx_tsvc_encoder_vp9_mode_8() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_8"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_8"
     vpx_tsvc_encoder vp9 "${output_basename}" 8 200 400 || return 1
     # Mode 8 produces 2 streams
     files_exist "${output_basename}" 2 || return 1
@@ -274,7 +274,7 @@ vpx_tsvc_encoder_vp9_mode_8() {
 
 vpx_tsvc_encoder_vp9_mode_9() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_9"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_9"
     vpx_tsvc_encoder vp9 "${output_basename}" 9 200 400 600 || return 1
     # Mode 9 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -283,7 +283,7 @@ vpx_tsvc_encoder_vp9_mode_9() {
 
 vpx_tsvc_encoder_vp9_mode_10() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_10"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_10"
     vpx_tsvc_encoder vp9 "${output_basename}" 10 200 400 600 || return 1
     # Mode 10 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
@@ -292,7 +292,7 @@ vpx_tsvc_encoder_vp9_mode_10() {
 
 vpx_tsvc_encoder_vp9_mode_11() {
   if [ "$(vp9_encode_available)" = "yes" ]; then
-    local readonly output_basename="vpx_tsvc_encoder_vp9_mode_11"
+    local output_basename="vpx_tsvc_encoder_vp9_mode_11"
     vpx_tsvc_encoder vp9 "${output_basename}" 11 200 400 600 || return 1
     # Mode 11 produces 3 streams
     files_exist "${output_basename}" 3 || return 1
diff --git a/test/vpxdec.sh b/test/vpxdec.sh
index bdb9d12c9..044aa7e16 100755
--- a/test/vpxdec.sh
+++ b/test/vpxdec.sh
@@ -34,8 +34,8 @@ vpxdec_verify_environment() {
 # input file path and shifted away. All remaining parameters are passed through
 # to vpxdec.
 vpxdec_pipe() {
-  local readonly decoder="$(vpx_tool_path vpxdec)"
-  local readonly input="$1"
+  local decoder="$(vpx_tool_path vpxdec)"
+  local input="$1"
   shift
   cat "${input}" | eval "${VPX_TEST_PREFIX}" "${decoder}" - "$@" ${devnull}
 }
@@ -44,8 +44,8 @@ vpxdec_pipe() {
 # the directory containing vpxdec. $1 one is used as the input file path and
 # shifted away. All remaining parameters are passed through to vpxdec.
 vpxdec() {
-  local readonly decoder="$(vpx_tool_path vpxdec)"
-  local readonly input="$1"
+  local decoder="$(vpx_tool_path vpxdec)"
+  local input="$1"
   shift
   eval "${VPX_TEST_PREFIX}" "${decoder}" "$input" "$@" ${devnull}
 }
@@ -96,9 +96,9 @@ vpxdec_vp9_webm_less_than_50_frames() {
   # frames in actual webm_read_frame calls.
   if [ "$(vpxdec_can_decode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly decoder="$(vpx_tool_path vpxdec)"
-    local readonly expected=10
-    local readonly num_frames=$(${VPX_TEST_PREFIX} "${decoder}" \
+    local decoder="$(vpx_tool_path vpxdec)"
+    local expected=10
+    local num_frames=$(${VPX_TEST_PREFIX} "${decoder}" \
       "${VP9_LT_50_FRAMES_WEBM_FILE}" --summary --noblit 2>&1 \
       | awk '/^[0-9]+ decoded frames/ { print $1 }')
     if [ "$num_frames" -ne "$expected" ]; then
@@ -112,10 +112,10 @@ vpxdec_vp9_webm_less_than_50_frames() {
 vpxdec_vp9_raw_file() {
   # Ensure a raw file properly reports eof and doesn't cause a hang.
   if [ "$(vpxdec_can_decode_vp9)" = "yes" ]; then
-    local readonly decoder="$(vpx_tool_path vpxdec)"
-    local readonly expected=1
-    [ -x /usr/bin/timeout ] && local readonly TIMEOUT="/usr/bin/timeout 30s"
-    local readonly num_frames=$(${TIMEOUT} ${VPX_TEST_PREFIX} "${decoder}" \
+    local decoder="$(vpx_tool_path vpxdec)"
+    local expected=1
+    [ -x /usr/bin/timeout ] && local TIMEOUT="/usr/bin/timeout 30s"
+    local num_frames=$(${TIMEOUT} ${VPX_TEST_PREFIX} "${decoder}" \
       "${VP9_RAW_FILE}" --summary --noblit 2>&1 \
       | awk '/^[0-9]+ decoded frames/ { print $1 }')
     if [ -z "$num_frames" ] || [ "$num_frames" -ne "$expected" ]; then
diff --git a/test/vpxenc.sh b/test/vpxenc.sh
index 0c160dafc..45104d7ea 100755
--- a/test/vpxenc.sh
+++ b/test/vpxenc.sh
@@ -67,7 +67,7 @@ y4m_input_720p() {
 # Echo default vpxenc real time encoding params. $1 is the codec, which defaults
 # to vp8 if unspecified.
 vpxenc_rt_params() {
-  local readonly codec="${1:-vp8}"
+  local codec="${1:-vp8}"
   echo "--codec=${codec}
     --buf-initial-sz=500
     --buf-optimal-sz=600
@@ -104,8 +104,8 @@ vpxenc_passes_param() {
 # input file path and shifted away. All remaining parameters are passed through
 # to vpxenc.
 vpxenc_pipe() {
-  local readonly encoder="$(vpx_tool_path vpxenc)"
-  local readonly input="$1"
+  local encoder="$(vpx_tool_path vpxenc)"
+  local input="$1"
   shift
   cat "${input}" | eval "${VPX_TEST_PREFIX}" "${encoder}" - \
     --test-decode=fatal \
@@ -116,8 +116,8 @@ vpxenc_pipe() {
 # the directory containing vpxenc. $1 one is used as the input file path and
 # shifted away. All remaining parameters are passed through to vpxenc.
 vpxenc() {
-  local readonly encoder="$(vpx_tool_path vpxenc)"
-  local readonly input="$1"
+  local encoder="$(vpx_tool_path vpxenc)"
+  local input="$1"
   shift
   eval "${VPX_TEST_PREFIX}" "${encoder}" "${input}" \
     --test-decode=fatal \
@@ -126,7 +126,7 @@ vpxenc() {
 
 vpxenc_vp8_ivf() {
   if [ "$(vpxenc_can_encode_vp8)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp8.ivf"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp8.ivf"
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp8 \
       --limit="${TEST_FRAMES}" \
@@ -143,7 +143,7 @@ vpxenc_vp8_ivf() {
 vpxenc_vp8_webm() {
   if [ "$(vpxenc_can_encode_vp8)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp8.webm"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp8.webm"
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp8 \
       --limit="${TEST_FRAMES}" \
@@ -159,7 +159,7 @@ vpxenc_vp8_webm() {
 vpxenc_vp8_webm_rt() {
   if [ "$(vpxenc_can_encode_vp8)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp8_rt.webm"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp8_rt.webm"
     vpxenc $(yuv_input_hantro_collage) \
       $(vpxenc_rt_params vp8) \
       --output="${output}"
@@ -173,7 +173,7 @@ vpxenc_vp8_webm_rt() {
 vpxenc_vp8_webm_2pass() {
   if [ "$(vpxenc_can_encode_vp8)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp8.webm"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp8.webm"
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp8 \
       --limit="${TEST_FRAMES}" \
@@ -190,9 +190,9 @@ vpxenc_vp8_webm_2pass() {
 vpxenc_vp8_webm_lag10_frames20() {
   if [ "$(vpxenc_can_encode_vp8)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly lag_total_frames=20
-    local readonly lag_frames=10
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp8_lag10_frames20.webm"
+    local lag_total_frames=20
+    local lag_frames=10
+    local output="${VPX_TEST_OUTPUT_DIR}/vp8_lag10_frames20.webm"
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp8 \
       --limit="${lag_total_frames}" \
@@ -210,7 +210,7 @@ vpxenc_vp8_webm_lag10_frames20() {
 
 vpxenc_vp8_ivf_piped_input() {
   if [ "$(vpxenc_can_encode_vp8)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp8_piped_input.ivf"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp8_piped_input.ivf"
     vpxenc_pipe $(yuv_input_hantro_collage) \
       --codec=vp8 \
       --limit="${TEST_FRAMES}" \
@@ -226,8 +226,8 @@ vpxenc_vp8_ivf_piped_input() {
 
 vpxenc_vp9_ivf() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9.ivf"
-    local readonly passes=$(vpxenc_passes_param)
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9.ivf"
+    local passes=$(vpxenc_passes_param)
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp9 \
       --limit="${TEST_FRAMES}" \
@@ -245,8 +245,8 @@ vpxenc_vp9_ivf() {
 vpxenc_vp9_webm() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9.webm"
-    local readonly passes=$(vpxenc_passes_param)
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9.webm"
+    local passes=$(vpxenc_passes_param)
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp9 \
       --limit="${TEST_FRAMES}" \
@@ -263,7 +263,7 @@ vpxenc_vp9_webm() {
 vpxenc_vp9_webm_rt() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_rt.webm"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_rt.webm"
     vpxenc $(yuv_input_hantro_collage) \
       $(vpxenc_rt_params vp9) \
       --output="${output}"
@@ -278,11 +278,11 @@ vpxenc_vp9_webm_rt() {
 vpxenc_vp9_webm_rt_multithread_tiled() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_rt_multithread_tiled.webm"
-    local readonly tilethread_min=2
-    local readonly tilethread_max=4
-    local readonly num_threads="$(seq ${tilethread_min} ${tilethread_max})"
-    local readonly num_tile_cols="$(seq ${tilethread_min} ${tilethread_max})"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_rt_multithread_tiled.webm"
+    local tilethread_min=2
+    local tilethread_max=4
+    local num_threads="$(seq ${tilethread_min} ${tilethread_max})"
+    local num_tile_cols="$(seq ${tilethread_min} ${tilethread_max})"
 
     for threads in ${num_threads}; do
       for tile_cols in ${num_tile_cols}; do
@@ -306,11 +306,11 @@ vpxenc_vp9_webm_rt_multithread_tiled() {
 vpxenc_vp9_webm_rt_multithread_tiled_frameparallel() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_rt_mt_t_fp.webm"
-    local readonly tilethread_min=2
-    local readonly tilethread_max=4
-    local readonly num_threads="$(seq ${tilethread_min} ${tilethread_max})"
-    local readonly num_tile_cols="$(seq ${tilethread_min} ${tilethread_max})"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_rt_mt_t_fp.webm"
+    local tilethread_min=2
+    local tilethread_max=4
+    local num_threads="$(seq ${tilethread_min} ${tilethread_max})"
+    local num_tile_cols="$(seq ${tilethread_min} ${tilethread_max})"
 
     for threads in ${num_threads}; do
       for tile_cols in ${num_tile_cols}; do
@@ -335,7 +335,7 @@ vpxenc_vp9_webm_rt_multithread_tiled_frameparallel() {
 vpxenc_vp9_webm_2pass() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9.webm"
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9.webm"
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp9 \
       --limit="${TEST_FRAMES}" \
@@ -351,8 +351,8 @@ vpxenc_vp9_webm_2pass() {
 
 vpxenc_vp9_ivf_lossless() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_lossless.ivf"
-    local readonly passes=$(vpxenc_passes_param)
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_lossless.ivf"
+    local passes=$(vpxenc_passes_param)
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp9 \
       --limit="${TEST_FRAMES}" \
@@ -370,8 +370,8 @@ vpxenc_vp9_ivf_lossless() {
 
 vpxenc_vp9_ivf_minq0_maxq0() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_lossless_minq0_maxq0.ivf"
-    local readonly passes=$(vpxenc_passes_param)
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_lossless_minq0_maxq0.ivf"
+    local passes=$(vpxenc_passes_param)
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp9 \
       --limit="${TEST_FRAMES}" \
@@ -391,10 +391,10 @@ vpxenc_vp9_ivf_minq0_maxq0() {
 vpxenc_vp9_webm_lag10_frames20() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly lag_total_frames=20
-    local readonly lag_frames=10
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_lag10_frames20.webm"
-    local readonly passes=$(vpxenc_passes_param)
+    local lag_total_frames=20
+    local lag_frames=10
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_lag10_frames20.webm"
+    local passes=$(vpxenc_passes_param)
     vpxenc $(yuv_input_hantro_collage) \
       --codec=vp9 \
       --limit="${lag_total_frames}" \
@@ -414,8 +414,8 @@ vpxenc_vp9_webm_lag10_frames20() {
 vpxenc_vp9_webm_non_square_par() {
   if [ "$(vpxenc_can_encode_vp9)" = "yes" ] && \
      [ "$(webm_io_available)" = "yes" ]; then
-    local readonly output="${VPX_TEST_OUTPUT_DIR}/vp9_non_square_par.webm"
-    local readonly passes=$(vpxenc_passes_param)
+    local output="${VPX_TEST_OUTPUT_DIR}/vp9_non_square_par.webm"
+    local passes=$(vpxenc_passes_param)
     vpxenc $(y4m_input_non_square_par) \
       --codec=vp9 \
       --limit="${TEST_FRAMES}" \