add gstreamer to tests and readme (#40)

README.md

@@ -30,6 +30,11 @@ Features:
    ffmpeg -re -stream_loop -1 -i file.ts -c copy -f rtsp rtsp://localhost:8554/mystream
    ```
 
+   or _GStreamer_:
+   ```
+   gst-launch-1.0 filesrc location=file.mp4 ! qtdemux ! rtspclientsink location=rtsp://localhost:8554/mystream
+   ```
+
 4. Open the stream. For instance, you can open the stream with _VLC_:
    ```
    vlc rtsp://localhost:8554/mystream

main_test.go

@@ -6,7 +6,6 @@ import (
 	"os"
 	"os/exec"
 	"strconv"
-	"strings"
 	"testing"
 	"time"
 
@@ -92,43 +91,107 @@ func (c *container) wait() int {
 	return int(code)
 }
 
-func TestPublishRead(t *testing.T) {
-	for _, conf := range [][3]string{
-		{"udp", "udp", "ffmpeg"},
-		{"udp", "tcp", "ffmpeg"},
-		{"tcp", "udp", "ffmpeg"},
-		{"tcp", "tcp", "ffmpeg"},
-		{"tcp", "udp", "vlc"},
-		{"tcp", "tcp", "vlc"},
+func TestPublish(t *testing.T) {
+	for _, conf := range []struct {
+		publishSoft  string
+		publishProto string
+	}{
+		{"ffmpeg", "udp"},
+		{"ffmpeg", "tcp"},
+		{"gstreamer", "udp"},
+		{"gstreamer", "tcp"},
 	} {
-		t.Run(strings.Join(conf[:], "_"), func(t *testing.T) {
+		t.Run(conf.publishSoft+"_"+conf.publishProto, func(t *testing.T) {
 			p, err := newProgram([]string{}, bytes.NewBuffer(nil))
 			require.NoError(t, err)
 			defer p.close()
 
 			time.Sleep(1 * time.Second)
 
-			cnt1, err := newContainer("ffmpeg", "source", []string{
+			switch conf.publishSoft {
+			case "ffmpeg":
+				cnt1, err := newContainer("ffmpeg", "publish", []string{
+					"-hide_banner",
+					"-loglevel", "panic",
+					"-re",
+					"-stream_loop", "-1",
+					"-i", "/emptyvideo.ts",
+					"-c", "copy",
+					"-f", "rtsp",
+					"-rtsp_transport", conf.publishProto,
+					"rtsp://" + ownDockerIp + ":8554/teststream",
+				})
+				require.NoError(t, err)
+				defer cnt1.close()
+
+			default:
+				cnt1, err := newContainer("gstreamer", "source", []string{
+					"filesrc location=emptyvideo.ts ! tsdemux ! rtspclientsink " +
+						"location=rtsp://" + ownDockerIp + ":8554/teststream protocols=" + conf.publishProto,
+				})
+				require.NoError(t, err)
+				defer cnt1.close()
+			}
+
+			time.Sleep(1 * time.Second)
+
+			cnt2, err := newContainer("ffmpeg", "read", []string{
+				"-hide_banner",
+				"-loglevel", "panic",
+				"-rtsp_transport", "udp",
+				"-i", "rtsp://" + ownDockerIp + ":8554/teststream",
+				"-vframes", "1",
+				"-f", "image2",
+				"-y", "/dev/null",
+			})
+			require.NoError(t, err)
+			defer cnt2.close()
+
+			code := cnt2.wait()
+			require.Equal(t, 0, code)
+		})
+	}
+}
+
+func TestRead(t *testing.T) {
+	for _, conf := range []struct {
+		readSoft  string
+		readProto string
+	}{
+		{"ffmpeg", "udp"},
+		{"ffmpeg", "tcp"},
+		{"vlc", "udp"},
+		{"vlc", "tcp"},
+	} {
+		t.Run(conf.readSoft+"_"+conf.readProto, func(t *testing.T) {
+			p, err := newProgram([]string{}, bytes.NewBuffer(nil))
+			require.NoError(t, err)
+			defer p.close()
+
+			time.Sleep(1 * time.Second)
+
+			cnt1, err := newContainer("ffmpeg", "publish", []string{
 				"-hide_banner",
 				"-loglevel", "panic",
 				"-re",
 				"-stream_loop", "-1",
 				"-i", "/emptyvideo.ts",
 				"-c", "copy",
 				"-f", "rtsp",
-				"-rtsp_transport", conf[0],
+				"-rtsp_transport", "udp",
 				"rtsp://" + ownDockerIp + ":8554/teststream",
 			})
 			require.NoError(t, err)
 			defer cnt1.close()
 
 			time.Sleep(1 * time.Second)
 
-			if conf[2] == "ffmpeg" {
-				cnt2, err := newContainer("ffmpeg", "dest", []string{
+			switch conf.readSoft {
+			case "ffmpeg":
+				cnt2, err := newContainer("ffmpeg", "read", []string{
 					"-hide_banner",
 					"-loglevel", "panic",
-					"-rtsp_transport", conf[1],
+					"-rtsp_transport", conf.readProto,
 					"-i", "rtsp://" + ownDockerIp + ":8554/teststream",
 					"-vframes", "1",
 					"-f", "image2",
@@ -140,9 +203,9 @@ func TestPublishRead(t *testing.T) {
 				code := cnt2.wait()
 				require.Equal(t, 0, code)
 
-			} else {
+			default:
 				args := []string{}
-				if conf[1] == "tcp" {
+				if conf.readProto == "tcp" {
 					args = append(args, "--rtsp-tcp")
 				}
 				args = append(args, "rtsp://"+ownDockerIp+":8554/teststream")

test-images/ffmpeg/Dockerfile

@@ -1,4 +1,4 @@
-FROM amd64/alpine:3.11
+FROM amd64/alpine:3.12
 
 RUN apk add --no-cache \
     ffmpeg

test-images/ffmpeg/start.sh

@@ -1,3 +1,3 @@
 #!/bin/sh -e
 
-ffmpeg $@
+exec ffmpeg $@

test-images/gstreamer/Dockerfile

@@ -0,0 +1,16 @@
+FROM amd64/alpine:3.12
+
+RUN apk add --no-cache \
+    gstreamer-tools \
+    gst-plugins-good \
+    gst-plugins-bad \
+    && apk add --no-cache \
+    -X http://dl-cdn.alpinelinux.org/alpine/edge/testing \
+    gst-rtsp-server
+
+COPY emptyvideo.ts /
+
+COPY start.sh /
+RUN chmod +x /start.sh
+
+ENTRYPOINT [ "/start.sh" ]

test-images/gstreamer/start.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+
+exec gst-launch-1.0 $@

test-images/vlc/start.sh

@@ -6,10 +6,17 @@ chown user:user /out
 CMD="cvlc --play-and-exit --no-audio --no-video --sout file/ts:/out/stream.ts -vvv $@"
 su - user -c "$CMD" 2>&1 &
 
-sleep 10
+COUNTER=0
+while true; do
+    sleep 1
 
-if [ $(stat -c "%s" /out/stream.ts) -gt 0 ]; then
-    exit 0
-else
-    exit 1
-fi
+    if [ $(stat -c "%s" /out/stream.ts) -gt 0 ]; then
+        exit 0
+    fi
+
+    COUNTER=$(($COUNTER + 1))
+
+    if [ $COUNTER -ge 15 ]; then
+        exit 1
+    fi
+done