From 6d8e3f247b57f409402a7d016b895a2c95015e4d Mon Sep 17 00:00:00 2001 From: Antonio Ospite Date: Thu, 28 Dec 2017 11:57:17 +0100 Subject: [PATCH] Add gst-test-jpegdec.sh --- shell/gst-test-jpegdec.sh | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100755 shell/gst-test-jpegdec.sh diff --git a/shell/gst-test-jpegdec.sh b/shell/gst-test-jpegdec.sh new file mode 100755 index 0000000..997a629 --- /dev/null +++ b/shell/gst-test-jpegdec.sh @@ -0,0 +1,42 @@ +#!/bin/bash +# +# Test to check that jpegdec handles different chroma sub-samplings right. + +set -e + +command -v djpeg &> /dev/null || { echo "djpeg needed, should be in libjpeg-turbo-progs." 1>&2; exit 1; } +command -v cjpeg &> /dev/null || { echo "cjpeg needed, should be in libjpeg-turbo-progs." 1>&2; exit 1; } + +if [ "x$1" = "x" ]; +then + gst-launch-1.0 videotestsrc num-buffers=1 ! video/x-raw,width=996,height=784 ! jpegenc ! filesink location=videotest.jpg + INPUT_FILE="videotest.jpg" +else + INPUT_FILE="$1" +fi + +declare -A SAMPLINGS +SAMPLINGS["NORMAL_420"]="2x2,1x1,1x1" +SAMPLINGS["NORMAL_422"]="2x1,1x1,1x1" +SAMPLINGS["NORMAL_444"]="1x1,1x1,1x1" +SAMPLINGS["WEIRD_422"]="2x2,1x2,1x2" +SAMPLINGS["WEIRDER_422"]="2x2,2x1,2x1" + +for sampling in "${!SAMPLINGS[@]}"; +do + BASE_NAME="${INPUT_FILE##/*}" + RESAMPLED_BASE_NAME="${BASE_NAME%.*}_${sampling}" + + RESAMPLED_FILE="${RESAMPLED_BASE_NAME}.jpg" + djpeg "$INPUT_FILE" | cjpeg -sample "${SAMPLINGS[$sampling]}" > "$RESAMPLED_FILE" + + DECODED_RESAMPLED_FILE="decoded_${RESAMPLED_BASE_NAME}_jpegdec.png" + gst-launch-1.0 filesrc location="$RESAMPLED_FILE" ! jpegparse ! jpegdec ! videoconvert ! pngenc ! filesink location="$DECODED_RESAMPLED_FILE" || : + + DECODED_RESAMPLED_FILE="decoded_${RESAMPLED_BASE_NAME}_avdec_mjpeg.png" + gst-launch-1.0 filesrc location="$RESAMPLED_FILE" ! jpegparse ! avdec_mjpeg ! videoconvert ! pngenc ! filesink location="$DECODED_RESAMPLED_FILE" || : + + DECODED_RESAMPLED_FILE="decoded_${RESAMPLED_BASE_NAME}_djpeg.bmp" + djpeg -bmp "$RESAMPLED_FILE" > "$DECODED_RESAMPLED_FILE" +done + -- 2.1.4