8000 draft of embedding timecode in post process by dericed · Pull Request #909 · amiaopensource/vrecord · GitHub
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draft of embedding timecode in post process #909

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draft of embedding timecode in post process #909

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29 changes: 25 additions & 4 deletions vrecord
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ AVFoundation. It is an interactive script and will create 10 or 8-bit video
files.

Dependencies: cowsay, amiaopensource/amiaos/decklinksdk,
amiaopensource/amiaos/ffmpegdecklink, amiaopensource/amiaos/gtkdialog, and
amiaopensource/amiaos/gtkdialog, mediaarea/mediaarea/ffmpeg-ma, and
xmlstarlet
Optional Dependencies: deckcontrol, gnuplot, mediaconch, mkvtoolnix, mpv, qcli

Expand All @@ -40,7 +40,7 @@ Usage: ${SCRIPTNAME} [ -e | -r | -p | -a | -x | -n| -v | -s | -h ] [IDENTIFIER]
-x reset the configuration: this will replace the default configuration file
at '${CONFIG_FILE}' with an empty one.
-n reset Vrecord's stored environment variables. These include
variables such as the paths to certain dependencies such as ffmpeg-dl.
variables such as the paths to certain dependencies such as ffmpeg-ma.
-v Run ffmpeg with '-loglevel debug'. Using this option creates a very large
log file, so avoid using this option with 'Visual + Numerical' or any
playback option that display the log as part of the view.
Expand Down Expand Up @@ -250,7 +250,7 @@ _setup_env_variables(){

_gather_ffmpeg_vars(){
CAPTURELOGSUFFIX="_vrecord_input.log"
TIMECODELOGSUFFIX="_frame_timecodes.txt"
TIMECODELOGSUFFIX="_frame_timecodes"
if [[ -d "/usr/local/opt/ffmpegdecklink" ]] ; then
BREW_PREFIX="/usr/local/opt/ffmpegdecklink"
elif [[ -d "/home/linuxbrew/.linuxbrew/opt/ffmpegdecklink" ]] ; then
Expand Down Expand Up @@ -357,6 +357,24 @@ _eia608dump2scc(){
_end_scc
}

_timecodetxt2timecodexml(){
local INPUT_XML="${1}"

echo '<?xml version="1.0" encoding="UTF-8"?>'
echo '<MediaTimecode'
echo ' xmlns="https://mediaarea.net/mediatimecode"'
echo ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'
echo ' xsi:schemaLocation="https://mediaarea.net/mediatimecode https://mediaarea.net/xsd/mediatimecode.xsd"'
echo ' version="0.0">'
echo ' <creatingLibrary version="${VERSION}" url="https://github.com/amiaopensource/vrecord">vrecord</creatingLibrary>'
echo " <media ref=\"${VIDEO_INPUT_CHOICE}\" format=\"${TIMECODE_CHOICE}\">"
echo " <timecode_stream id=/"${TIMECODE_CHOICE}/" format=/"smpte-st331/" frame_rate=/"30000/1001/" frame_count=\"$(grep -c 'timecode=' "${INPUT_XML}")\" fp=\"0\" bgf=\"0\" bg=\"0\">"
grep 'timecode=' "${INPUT_XML}" | sed 's/timecode=/ <tc v="/;s/$/\"\/>/'
echo ' </timecode_stream>'
echo ' </media>'
echo '</MediaTimecode>'
}

_cleanup(){
_report -wt "Vrecord is being stopped at $(_get_iso8601), noting this in the capture log."
_writeingestlog "exit status" "vrecord was forced to quit early at $(_get_iso8601). Some processing may be incomplete."
Expand Down Expand Up @@ -2732,7 +2750,8 @@ else
FULL_OUTPUT_ID="${PREFIX}${ID}"
fi
FULL_CAPTURE_LOG="${LOGDIR}/${FULL_OUTPUT_ID}${CAPTURELOGSUFFIX}"
TIMECODE_LOG="${LOGDIR}/${FULL_OUTPUT_ID}_${TC_TYPE}${TIMECODELOGSUFFIX}"
TIMECODE_LOG="${LOGDIR}/${FULL_OUTPUT_ID}_${TC_TYPE}${TIMECODELOGSUFFIX}.txt"
TIMECODE_XML="${LOGDIR}/${FULL_OUTPUT_ID}_${TC_TYPE}${TIMECODELOGSUFFIX}.xml"
CAPTION_LOG="${LOGDIR}/${FULL_OUTPUT_ID}_frame_eia608data.txt"
CAPTION_SCC="${LOGDIR}/${FULL_OUTPUT_ID}.scc"
VRECORD_OUTPUT="${DIR}/${FULL_OUTPUT_ID}.${EXTENSION}"
Expand Down Expand Up @@ -2923,6 +2942,8 @@ if [[ "${DEVICE_INPUT_CHOICE}" = 0 ]] ; then
# timecode document handling
if [[ -f "${TC_TMP}" ]] ; then
mv "${TC_TMP}" "${TIMECODE_LOG}"
_timecodetxt2timecodexml "${TIMECODE_LOG}" > "${TIMECODE_XML}"
ffmpeg-ma -i "${VRECORD_OUTPUT}" -mediatimecode "${TIMECODE_XML}" -strict experimental -map 0 -c copy "${TIMECODE_XML%.*}_TC.mkv"
fi
# caption handling
if [[ -s "${CAPTION_TMP}" ]] ; then
Expand Down
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