gstreamer-pipelines/gstreamer-record.sh
Artur Mukhamadiev 1211611cac more-examples
2025-09-11 16:21:50 +03:00

38 lines
1.4 KiB
Bash
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#!/bin/bash
# This script record two video streams using gstreamer and saves them to files
# The first video stream is the reference and the second is the encoded stream to be tested
# First stream is coming from decklinkvideosrc
# Second stream is same decklinkvideosrc but encoded using x264enc
# Both streams are saved to files using mp4mux and filesink
if [ "$#" -lt 2 ]; then
echo "Usage: $0 <reference_video_file> <test_video_file> <optional: DEBUG>"
exit 1
fi
if ! command -v gst-launch-1.0 &> /dev/null
then
echo "gstreamer could not be found, please install it."
exit 1
fi
# Record both streams in one run
if [ "$3" == "DEBUG" ]; then
gst-launch-1.0 -e \
videotestsrc pattern=smpte ! \
capsfilter caps="video/x-raw,format=UYVY,width=1920,height=1080,framerate=30/1" ! \
videoconvert ! queue ! tee name=t \
t. ! queue ! filesink location="$1" \
t. ! queue ! x264enc bitrate=20000 speed-preset=ultrafast tune=zerolatency ! h264parse ! mpegtsmux ! filesink location="$2"
exit 0
fi
gst-launch-1.0 -e \
decklinkvideosrc \
device-number=1 \
connection=1 \
mode=auto \
drop-no-signal-frames=true ! videoconvert ! queue ! tee name=t \
t. ! queue ! mpegtsmux ! filesink location="$1" \
t. ! queue ! x264enc bitrate=20000 speed-preset=ultrafast tune=zerolatency ! mpegtsmux ! filesink location="$2"