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authorJonas Smedegaard <dr@jones.dk>2017-03-15 00:34:19 +0100
committerJonas Smedegaard <dr@jones.dk>2017-03-15 00:34:19 +0100
commite15ed7596332db8d84422342d318d26d0f6e7dda (patch)
tree600010aa1deca2486920405793f4ae6c8fe08f5d /bin/send-gst-rtsp-v-a
parentb62f7b9330cac68a8bdfafaf004720fe0560da5d (diff)
Initial RTSP scripts.
Diffstat (limited to 'bin/send-gst-rtsp-v-a')
-rwxr-xr-xbin/send-gst-rtsp-v-a144
1 files changed, 144 insertions, 0 deletions
diff --git a/bin/send-gst-rtsp-v-a b/bin/send-gst-rtsp-v-a
new file mode 100755
index 0000000..6f88b8c
--- /dev/null
+++ b/bin/send-gst-rtsp-v-a
@@ -0,0 +1,144 @@
+#!/usr/bin/perl
+
+# Send live video/audio media as RTP streams, published via RTSP
+
+use v5.12;
+use warnings;
+
+use Glib qw( TRUE FALSE );
+use Glib::Object::Introspection;
+use IPC::System::Simple qw(capturex);
+
+BEGIN {
+ Glib::Object::Introspection->setup(
+ basename => 'Gst',
+ version => '1.0',
+ package => 'Gst',
+ );
+ Glib::Object::Introspection->setup(
+ basename => 'GstRtspServer',
+ version => '1.0',
+ package => 'Gst',
+ );
+}
+
+my $ADDRESS = shift || $ENV{'ADDRESS'} || '127.0.0.1';
+my $PORT = shift || $ENV{'PORT'} || '8554';
+my $VDEVICES = shift || $ENV{'VDEVICES'} || '';
+my $ADEVICES = shift || $ENV{'ADEVICES'} || '';
+my $VFORMAT = shift || $ENV{'VFORMAT'} || 'RAW'; # H264 VP8 RAW - default: RAW
+my $AFORMAT = shift || $ENV{'AFORMAT'} || 'RAW'; # AMR OPUS RAW - default: RAW
+
+my @VDEVICES = $VDEVICES ? split ' ', $VDEVICES : sort split ' ', capturex('find', qw(/dev -maxdepth 1 -type c -name video*));
+# FIXME: Detect/blacklist and skip faulty devices
+#my @ADEVICES = grep { /^hw:/ } capturex( 'arecord', qw(-L) );
+my @ADEVICES = split ' ', $ADEVICES;
+chomp @ADEVICES;
+
+#use Data::Dump; die dd @ADEVICES;
+
+my $HEIGHT = 240;
+my $FRAMERATE = 25;
+my $AUDIORATE = 48000;
+
+my $VCAPS = "video/x-raw,height=$HEIGHT";
+my $ACAPS = "audio/x-raw,rate=$AUDIORATE,channels=2,depth=16";
+
+# * http://stackoverflow.com/a/42237307
+my $ABUFFERS = 20000;
+
+# * force threads using queues - see http://stackoverflow.com/a/30738533
+# * generous queue sizes inspired by https://wiki.xiph.org/GST_cookbook
+my $QUEUE = "queue max-size-bytes=100000000 max-size-time=0";
+
+my %VFORMAT = (
+ H264 => {
+ # * let x264 use low-latency sliced-threads (i.e. don't disable treads)
+ VENC => "x264enc speed-preset=ultrafast tune=zerolatency bitrate=800 byte-stream=true key-int-max=15 intra-refresh=true option-string=\"slice-max-size=8192:vbv-maxrate=80:vbv-bufsize=10\" ! video/x-h264,profile=baseline ! $QUEUE ! rtph264pay",
+ },
+ VP8 => {
+ VENC => "vp8enc cpu-used=10 threads=2 deadline=10000 ! video/x-vp8 ! $QUEUE ! rtpvp8pay",
+ },
+ RAW => {
+ VENC => "rtpvrawpay",
+ },
+);
+
+my %AFORMAT = (
+ AMR => {
+ AENC => "amrnbenc ! $QUEUE ! rtpamrpay",
+ },
+ OPUS => {
+ AENC => "opusenc ! $QUEUE ! rtpopuspay",
+ },
+ RAW => {
+ AENC => "rtpL16pay",
+ },
+);
+
+our $nextpayload = 0;
+
+sub cam {
+ my $device = shift;
+ my $payload = "pay" . $nextpayload++;
+
+ my $factory = Gst::RTSPMediaFactory->new();
+ $factory->set_launch("( v4l2src device=$device ! $QUEUE ! videoconvert ! $VCAPS ! $QUEUE ! $VFORMAT{$VFORMAT}{'VENC'} name=$payload )");
+ $factory->set_shared(TRUE);
+say "media ($device): " . $factory->get_launch();
+# $factory->set_latency(5);
+#say "latency ($device): " . $factory->get_latency();
+
+ return $factory;
+}
+
+sub mic {
+ my $device = shift;
+ my $payload = "pay" . $nextpayload++;
+
+ my $factory = Gst::RTSPMediaFactory->new();
+ $factory->set_launch("( alsasrc device=$device buffer-time=$ABUFFERS ! $QUEUE ! audioconvert ! $QUEUE ! $AFORMAT{$AFORMAT}{'AENC'} name=$payload )");
+ $factory->set_shared(TRUE);
+#say "media ($device): " . $factory->get_launch();
+# $factory->set_latency(5);
+#say "latency ($device): " . $factory->get_latency();
+ return $factory;
+}
+
+Gst::init([ $0, @ARGV ]);
+my $loop = Glib::MainLoop->new( undef, FALSE );
+
+# create a server instance
+my $server = Gst::RTSPServer->new();
+$server->set_address($ADDRESS);
+$server->set_service($PORT);
+
+# get the mount points for this server, every server has a default
+# object that be used to map uri mount points to media factories
+my $mounts = $server->get_mount_points();
+
+# attach media to URIs
+my @mounts;
+for my $i ( 0 .. $#VDEVICES ) {
+ my $mount = "/cam$i";
+ $mounts->add_factory($mount, cam($VDEVICES[$i]));
+ push @mounts, $mount;
+};
+for my $i ( 0 .. $#ADEVICES ) {
+ my $mount = "/mic$i";
+ $mounts->add_factory($mount, mic($ADEVICES[$i]));
+ push @mounts, $mount;
+};
+
+# don't need the ref to the mapper anymore
+undef $mounts;
+
+# attach the server to the default maincontext
+my $retval = $server->attach(undef);
+
+# start serving
+say "streams ready at the following URLs:";
+for (@mounts) {
+ say "rtsp://$ADDRESS:$PORT$_";
+}
+$loop->run;