atsc-ts-converter.bash

#!/bin/bash

FONTFILE=/usr/share/fonts/truetype/freefont/FreeSerif.ttf
TEXT="bladeRF_ATSC_Demo_TBM2"
VIDEOFILE="tbm_tdf_2.mp4"
OUTFILE="tbm_tdf_2.ts"

FILTERS="-vf drawtext=fontfile=${FONTFILE}:text=${TEXT}:x=100:y=50:fontsize=72:fontcolor=white@0.6:box=1:boxcolor=black@0.2 -t 327"
VIDEO_CODEC="-vcodec mpeg2video -s hd720 -r 25"
VIDEO_QUALITY="-b:v:0 8M"
AUDIO_CODEC="-acodec ac3_fixed"
AUDIO_QUALITY="-b:a:0 384k -ar 48k -ac 2"

if [ -n "${VIDEOFILE}" ]; then
    VIDEOFILE="-i ${VIDEOFILE}"
fi

if [ -n "${AUDIOFILE}" ]; then
    AUDIOFILE="-i ${AUDIOFILE}"
fi

avconv -re \
    ${VIDEOFILE} ${AUDIOFILE} \
    ${VIDEO_CODEC} \
    ${FILTERS} \
    ${VIDEO_QUALITY} \
    ${AUDIO_CODEC} \
    ${AUDIO_QUALITY} \
    -muxrate 19393000 -f mpegts \
    -metadata service_name="${OUTFILE}" \
    -metadata service_provider="BladeRF ATSC Demo" \
    ${OUTFILE}