From d3a941a7251e8a80fbef66a50d419f7c58b62a7c Mon Sep 17 00:00:00 2001 From: aweaver Date: Sat, 15 Apr 2017 14:02:23 -0700 Subject: [PATCH 1/5] add script for audio --- check_audio_framemd5.sh | 77 +++++++++++++++++++++++++++++++++++++++++ index.html | 2 +- 2 files changed, 78 insertions(+), 1 deletion(-) create mode 100755 check_audio_framemd5.sh diff --git a/check_audio_framemd5.sh b/check_audio_framemd5.sh new file mode 100755 index 0000000..ecae7f4 --- /dev/null +++ b/check_audio_framemd5.sh @@ -0,0 +1,77 @@ +#!/usr/bin/env bash + SCRIPT=$(basename "${0}") + VERSION='2017-04-15' + AUTHOR='ffmprovisr' + RED='\033[1;31m' + BLUE='\033[1;34m' + NC='\033[0m' + +if [[ ${OSTYPE} = "cygwin" ]] || [ ! $(which diff) ]; then + echo -e "${RED}Error: 'diff' is not installed by default. Please install 'diffutils' from Cygwin.${NC}" + exit 1 +fi + +_output_prompt(){ + cat < -m ] +EOF + exit 1 +} + +_output_help(){ + cat < -m + Pass to the script the audio-visual file and the corresponding MD5 + file to check. +Dependency: + ffmpeg +About: + Version: ${VERSION} + Website: https://github.com/amiaopensource/ffmprovisr/blob/gh-pages/check_framemd5.sh +EOF + exit 0 +} + +unset input_file +unset input_hash + +while getopts ":hi:m:" opt; do + case "${opt}" in + h) _output_help ;; + i) input_file=$OPTARG ;; + m) input_hash=$OPTARG ;; + :) echo -e "${RED}Error: option -${OPTARG} requires an argument${NC}" ; _output_prompt ;; + *) echo -e "${RED}Error: bad option -${OPTARG}${NC}" ; _output_prompt ;; + esac +done + +[[ -z "${#}" || ! ${input_file} || ! ${input_hash} ]] && _output_prompt +echo -e "${BLUE}Please wait...${NC}" +unset md5_tmp +if [[ $OSTYPE = "cygwin" ]]; then + md5_tmp=""${USERPROFILE}/$(basename ${input_hash}).tmp"" +else + md5_tmp="${HOME}/$(basename ${input_hash}).tmp" +fi +# Find audio frame size for hash calculation +sample_rate=$(grep -v '^#' ${input_hash} | head -n 1 | tr -d ' ' | cut -d',' -f4) +$(ffmpeg -i ${input_file} -loglevel 0 -filter_complex "asetnsamples=n='$sample_rate'" -f framemd5 -vn ${md5_tmp}) +[[ ! -f ${md5_tmp} ]] && { echo -e "${RED}Error: '${input_file}' is not a valid audio-visual file.${NC}" ; _output_prompt ; } +unset old_file +unset tmp_file +unset sample_rate +old_file=$(grep -v '^#' ${input_hash}) +tmp_file=$(grep -v '^#' ${md5_tmp}) +if [[ "${old_file}" = "${tmp_file}" ]]; then + echo -e "${BLUE}'$(basename ${input_file})' matches '$(basename ${input_hash})'${NC}" + rm "${md5_tmp}" +else + echo -e "${RED}The following differences were detected between '$(basename ${input_file})' and '$(basename ${input_hash})':${NC}" + diff "${input_hash}" "${md5_tmp}" + rm "${md5_tmp}" +fi diff --git a/index.html b/index.html index 43b1fc9..ce2f726 100644 --- a/index.html +++ b/index.html @@ -1201,7 +1201,7 @@ foreach ($file in $inputfiles) {
-vn
ignores the video stream (video no)
output_file
path, name and extension of the output file
-

You may verify an MD5 checksum file created this way by using a Bash script.

+

You may verify an MD5 checksum file created this way by using a Bash script.

From 321d998b5a3d2c1f3a39187f22cd4827620c39d9 Mon Sep 17 00:00:00 2001 From: aweaver Date: Sun, 16 Apr 2017 07:01:40 -0700 Subject: [PATCH 2/5] name,filter and spaces --- check_audio_framemd5.sh | 16 ++++++++-------- check_framemd5.sh => check_video_framemd5.sh | 0 index.html | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) rename check_framemd5.sh => check_video_framemd5.sh (100%) diff --git a/check_audio_framemd5.sh b/check_audio_framemd5.sh index ecae7f4..ca987a1 100755 --- a/check_audio_framemd5.sh +++ b/check_audio_framemd5.sh @@ -54,24 +54,24 @@ done echo -e "${BLUE}Please wait...${NC}" unset md5_tmp if [[ $OSTYPE = "cygwin" ]]; then - md5_tmp=""${USERPROFILE}/$(basename ${input_hash}).tmp"" + md5_tmp="${USERPROFILE}/$(basename "${input_hash}").tmp" else - md5_tmp="${HOME}/$(basename ${input_hash}).tmp" + md5_tmp="${HOME}/$(basename "${input_hash}").tmp" fi # Find audio frame size for hash calculation -sample_rate=$(grep -v '^#' ${input_hash} | head -n 1 | tr -d ' ' | cut -d',' -f4) -$(ffmpeg -i ${input_file} -loglevel 0 -filter_complex "asetnsamples=n='$sample_rate'" -f framemd5 -vn ${md5_tmp}) +sample_rate=$(grep -v '^#' "${input_hash}" | head -n 1 | tr -d ' ' | cut -d',' -f4) +ffmpeg -i "${input_file}" -loglevel 0 -af "asetnsamples=n='$sample_rate'" -f framemd5 -vn "${md5_tmp}" [[ ! -f ${md5_tmp} ]] && { echo -e "${RED}Error: '${input_file}' is not a valid audio-visual file.${NC}" ; _output_prompt ; } unset old_file unset tmp_file unset sample_rate -old_file=$(grep -v '^#' ${input_hash}) -tmp_file=$(grep -v '^#' ${md5_tmp}) +old_file=$(grep -v '^#' "${input_hash}") +tmp_file=$(grep -v '^#' "${md5_tmp}") if [[ "${old_file}" = "${tmp_file}" ]]; then - echo -e "${BLUE}'$(basename ${input_file})' matches '$(basename ${input_hash})'${NC}" + echo -e "${BLUE}'$(basename "${input_file}")' matches '$(basename "${input_hash}")'${NC}" rm "${md5_tmp}" else - echo -e "${RED}The following differences were detected between '$(basename ${input_file})' and '$(basename ${input_hash})':${NC}" + echo -e "${RED}The following differences were detected between '$(basename "${input_file}")' and '$(basename "${input_hash}")':${NC}" diff "${input_hash}" "${md5_tmp}" rm "${md5_tmp}" fi diff --git a/check_framemd5.sh b/check_video_framemd5.sh similarity index 100% rename from check_framemd5.sh rename to check_video_framemd5.sh diff --git a/index.html b/index.html index ce2f726..5631605 100644 --- a/index.html +++ b/index.html @@ -1172,7 +1172,7 @@ foreach ($file in $inputfiles) {
-an
ignores the audio stream (audio no)
output_file
path, name and extension of the output file
-

You may verify an MD5 checksum file created this way by using a Bash script.

+

You may verify an MD5 checksum file created this way by using a Bash script.

@@ -1187,7 +1187,7 @@ foreach ($file in $inputfiles) {

Create MD5 checksums (audio samples)

-

ffmpeg -i input_file -filter_complex "asetnsamples=n=48000" -f framemd5 -vn output_file

+

ffmpeg -i input_file -af "asetnsamples=n=48000" -f framemd5 -vn output_file

This will create an MD5 checksum for each group of 48000 audio samples.
The number of samples per group can be set arbitrarily, but it's good practice to match the samplerate of the media file (so you will get one checksum per second).

Examples for other samplerates:

    From ec26d2038a7550b4debcf938562e74a33b32fefe Mon Sep 17 00:00:00 2001 From: aweaver Date: Sun, 16 Apr 2017 07:17:27 -0700 Subject: [PATCH 3/5] urls and quotes --- check_audio_framemd5.sh | 2 +- check_video_framemd5.sh | 18 +++++++++--------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/check_audio_framemd5.sh b/check_audio_framemd5.sh index ca987a1..e49d3b1 100755 --- a/check_audio_framemd5.sh +++ b/check_audio_framemd5.sh @@ -32,7 +32,7 @@ Dependency: ffmpeg About: Version: ${VERSION} - Website: https://github.com/amiaopensource/ffmprovisr/blob/gh-pages/check_framemd5.sh + Website: https://github.com/amiaopensource/ffmprovisr/blob/gh-pages/check_audio_framemd5.sh EOF exit 0 } diff --git a/check_video_framemd5.sh b/check_video_framemd5.sh index d5519a4..10cd4c9 100644 --- a/check_video_framemd5.sh +++ b/check_video_framemd5.sh @@ -32,7 +32,7 @@ Dependency: ffmpeg About: Version: ${VERSION} - Website: https://github.com/amiaopensource/ffmprovisr/blob/gh-pages/check_framemd5.sh + Website: https://github.com/amiaopensource/ffmprovisr/blob/gh-pages/check_video_framemd5.sh EOF exit 0 } @@ -54,21 +54,21 @@ done echo -e "${BLUE}Please wait...${NC}" unset md5_tmp if [[ $OSTYPE = "cygwin" ]]; then - md5_tmp=""${USERPROFILE}/$(basename ${input_hash}).tmp"" + md5_tmp="${USERPROFILE}/$(basename "${input_hash}").tmp" else - md5_tmp="${HOME}/$(basename ${input_hash}).tmp" + md5_tmp="${HOME}/$(basename "${input_hash}").tmp" fi -$(ffmpeg -i ${input_file} -loglevel 0 -f framemd5 -an ${md5_tmp}) -[[ ! -f ${md5_tmp} ]] && { echo -e "${RED}Error: '${input_file}' is not a valid audio-visual file.${NC}" ; _output_prompt ; } +ffmpeg -i "${input_file}" -loglevel 0 -f framemd5 -an "${md5_tmp}" +[[ ! -f "${md5_tmp}" ]] && { echo -e "${RED}Error: '${input_file}' is not a valid audio-visual file.${NC}" ; _output_prompt ; } unset old_file unset tmp_file -old_file=$(grep -v '^#' ${input_hash}) -tmp_file=$(grep -v '^#' ${md5_tmp}) +old_file=$(grep -v '^#' "${input_hash}") +tmp_file=$(grep -v '^#' "${md5_tmp}") if [[ "${old_file}" = "${tmp_file}" ]]; then - echo -e "${BLUE}'$(basename ${input_file})' matches '$(basename ${input_hash})'${NC}" + echo -e "${BLUE}'$(basename "${input_file}")' matches '$(basename "${input_hash}")'${NC}" rm "${md5_tmp}" else - echo -e "${RED}The following differences were detected between '$(basename ${input_file})' and '$(basename ${input_hash})':${NC}" + echo -e "${RED}The following differences were detected between '$(basename "${input_file}")' and '$(basename "${input_hash}")':${NC}" diff "${input_hash}" "${md5_tmp}" rm "${md5_tmp}" fi From 736b01e42638b0f840d2fc8bea517b6533b9ecc9 Mon Sep 17 00:00:00 2001 From: aweaver Date: Sun, 16 Apr 2017 07:40:00 -0700 Subject: [PATCH 4/5] caveat about transcode --- index.html | 1 + 1 file changed, 1 insertion(+) diff --git a/index.html b/index.html index 5631605..5fbbfa5 100644 --- a/index.html +++ b/index.html @@ -1194,6 +1194,7 @@ foreach ($file in $inputfiles) {
  • 44.1 kHz: "asetnsamples=n=44100"
  • 96 kHz: "asetnsamples=n=96000"
+

Note: This filter trandscodes audio to 16 bit PCM by default. The generated framemd5s will represent this value. Validating these framemd5s will require using the same default settings.

ffmpeg
starts the command
-i input_file
path, name and extension of the input file
From ad439d3b78d66da645cea959fc7800978484c903 Mon Sep 17 00:00:00 2001 From: aweaver Date: Sun, 16 Apr 2017 07:53:28 -0700 Subject: [PATCH 5/5] version --- check_video_framemd5.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/check_video_framemd5.sh b/check_video_framemd5.sh index 10cd4c9..3dc8b10 100644 --- a/check_video_framemd5.sh +++ b/check_video_framemd5.sh @@ -1,6 +1,6 @@ #!/usr/bin/env bash SCRIPT=$(basename "${0}") - VERSION='2016-12-31' + VERSION='2017-04-16' AUTHOR='ffmprovisr' RED='\033[1;31m' BLUE='\033[1;34m'