Add gst-concat-tests.sh

diff --git a/shell/gst-concat-tests.sh b/shell/gst-concat-tests.sh
new file mode 100755 (executable)
index 0000000..88c6817
--- /dev/null
+++ b/shell/gst-concat-tests.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+set -e
+set -x
+
+FILE1=sample_440hz.webm
+FILE2=sample_880hz.webm
+
+# This pipeline works fine
+#gst-launch-1.0 \
+#  concat name=c ! videoconvert ! videoscale ! autovideosink \
+#  videotestsrc num-buffers=100 ! c. \
+#  videotestsrc num-buffers=100 pattern=ball ! c.
+ 
+# Here only the video from the first stream is shown
+gst-launch-1.0 \
+  concat name=c ! decodebin ! autovideosink \
+  filesrc location="$FILE1" ! c. \
+  filesrc location="$FILE2" ! c.
+
+# This pipeline using one decoder per filesrc works fine
+gst-launch-1.0 \
+  concat name=c ! videoconvert ! videoscale ! autovideosink \
+  filesrc location="$FILE1" ! matroskademux ! vp9dec ! c. \
+  filesrc location="$FILE2" ! matroskademux ! vp9dec ! c.
+
+
+# These pipelines work fine, but should a streamsynchronizer be added?
+# And if so, where?
+gst-launch-1.0 \
+  concat name=video_concat ! autovideosink \
+  concat name=audio_concat ! autoaudiosink \
+  filesrc location="$FILE1" ! decodebin name=d1 \
+  filesrc location="$FILE2" ! decodebin name=d2 \
+  d1. ! video/x-raw ! queue ! video_concat. \
+  d1. ! audio/x-raw ! queue ! audio_concat. \
+  d2. ! video/x-raw ! queue ! video_concat. \
+  d2. ! audio/x-raw ! queue ! audio_concat.
+
+gst-launch-1.0 -e \
+  mp4mux name=mp4 ! filesink location=out.mp4 \
+  concat name=video_concat ! videoconvert ! x264enc tune=4 ! mp4. \
+  concat name=audio_concat ! audioconvert ! voaacenc ! mp4. \
+  filesrc location="$FILE1" ! decodebin name=d1 \
+  filesrc location="$FILE2" ! decodebin name=d2 \
+  d1. ! video/x-raw ! queue ! video_concat. \
+  d1. ! audio/x-raw ! queue ! audio_concat. \
+  d2. ! video/x-raw ! queue ! video_concat. \
+  d2. ! audio/x-raw ! queue ! audio_concat.