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add more examples

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This commit is contained in:
wanglei.w
2021-07-11 18:12:30 +08:00
parent f057d20328
commit 78eb37f868
4 changed files with 104 additions and 8 deletions
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45
examples/example_test.go
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@@ -50,10 +50,51 @@ func TestSimpleS3StreamExample(t *testing.T) {
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"})
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)