demo save

examples/example_test.go

@@ -0,0 +1,101 @@
+package examples
+
+import (
+	"testing"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/disintegration/imaging"
+	"github.com/stretchr/testify/assert"
+	ffmpeg "github.com/u2takey/ffmpeg-go"
+)
+
+//
+// More simple examples please refer to ffmpeg_test.go
+//
+
+func TestExampleStream(t *testing.T) {
+	ExampleStream("./sample_data/in1.mp4", "./sample_data/out1.mp4", false)
+}
+
+func TestExampleReadFrameAsJpeg(t *testing.T) {
+	reader := ExampleReadFrameAsJpeg("./sample_data/in1.mp4", 5)
+	img, err := imaging.Decode(reader)
+	if err != nil {
+		t.Fatal(err)
+	}
+	err = imaging.Save(img, "./sample_data/out1.jpeg")
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestExampleShowProgress(t *testing.T) {
+	ExampleShowProgress("./sample_data/in1.mp4", "./sample_data/out2.mp4")
+}
+
+func TestSimpleS3StreamExample(t *testing.T) {
+	err := ffmpeg.Input("./sample_data/in1.mp4", nil).
+		Output("s3://data-1251825869/test_out.ts", ffmpeg.KwArgs{
+			"aws_config": &aws.Config{
+				Credentials: credentials.NewStaticCredentials("xx", "yyy", ""),
+				//Endpoint:    aws.String("xx"),
+				Region: aws.String("yyy"),
+			},
+			// outputS3 use stream output, so you can only use supported format
+			// if you want mp4 format for example, you can output it to a file, and then call s3 sdk to do upload
+			"format": "mpegts",
+		}).
+		Run()
+	assert.Nil(t, err)
+}
+
+func TestExampleChangeCodec(t *testing.T) {
+	err := ffmpeg.Input("./sample_data/in1.mp4").
+		Output("./sample_data/out1.mp4", ffmpeg.KwArgs{"c:v": "libx265"}).
+		OverWriteOutput().ErrorToStdOut().Run()
+	assert.Nil(t, err)
+}
+
+func TestExampleCutVideo(t *testing.T) {
+	err := ffmpeg.Input("./sample_data/in1.mp4", ffmpeg.KwArgs{"ss": 1}).
+		Output("./sample_data/out1.mp4", ffmpeg.KwArgs{"t": 1}).OverWriteOutput().Run()
+	assert.Nil(t, err)
+}
+
+func TestExampleScaleVideo(t *testing.T) {
+	err := ffmpeg.Input("./sample_data/in1.mp4").
+		Output("./sample_data/out1.mp4", ffmpeg.KwArgs{"vf": "scale=w=480:h=240"}).
+		OverWriteOutput().ErrorToStdOut().Run()
+	assert.Nil(t, err)
+}
+
+func TestExampleAddWatermark(t *testing.T) {
+	// show watermark with size 64:-1 in the top left corner after seconds 1
+	overlay := ffmpeg.Input("./sample_data/overlay.png").Filter("scale", ffmpeg.Args{"64:-1"})
+	err := ffmpeg.Filter(
+		[]*ffmpeg.Stream{
+			ffmpeg.Input("./sample_data/in1.mp4"),
+			overlay,
+		}, "overlay", ffmpeg.Args{"10:10"}, ffmpeg.KwArgs{"enable": "gte(t,1)"}).
+		Output("./sample_data/out1.mp4").OverWriteOutput().ErrorToStdOut().Run()
+	assert.Nil(t, err)
+}
+
+func TestExampleCutVideoForGif(t *testing.T) {
+	err := ffmpeg.Input("./sample_data/in1.mp4", ffmpeg.KwArgs{"ss": "1"}).
+		Output("./sample_data/out1.gif", ffmpeg.KwArgs{"s": "320x240", "pix_fmt": "rgb24", "t": "3", "r": "3"}).
+		OverWriteOutput().ErrorToStdOut().Run()
+	assert.Nil(t, err)
+}
+
+func TestExampleMultipleOutput(t *testing.T) {
+	input := ffmpeg.Input("./sample_data/in1.mp4").Split()
+	out1 := input.Get("0").Filter("scale", ffmpeg.Args{"1920:-1"}).
+		Output("./sample_data/1920.mp4", ffmpeg.KwArgs{"b:v": "5000k"})
+	out2 := input.Get("1").Filter("scale", ffmpeg.Args{"1280:-1"}).
+		Output("./sample_data/1280.mp4", ffmpeg.KwArgs{"b:v": "2800k"})
+
+	err := ffmpeg.MergeOutputs(out1, out2).OverWriteOutput().ErrorToStdOut().Run()
+	assert.Nil(t, err)
+}