215 lines
7.0 KiB
Go
215 lines
7.0 KiB
Go
package core
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import (
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"context"
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"io"
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"os"
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"strings"
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"github.com/navidrome/navidrome/conf"
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"github.com/navidrome/navidrome/log"
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"github.com/navidrome/navidrome/model"
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"github.com/navidrome/navidrome/model/request"
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"github.com/navidrome/navidrome/tests"
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. "github.com/onsi/ginkgo/v2"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("MediaStreamer", func() {
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var streamer MediaStreamer
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var ds model.DataStore
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ffmpeg := &fakeFFmpeg{Data: "fake data"}
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ctx := log.NewContext(context.TODO())
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BeforeEach(func() {
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conf.Server.DataFolder, _ = os.MkdirTemp("", "file_caches")
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conf.Server.TranscodingCacheSize = "100MB"
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ds = &tests.MockDataStore{MockedTranscoding: &tests.MockTranscodingRepo{}}
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ds.MediaFile(ctx).(*tests.MockMediaFileRepo).SetData(model.MediaFiles{
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{ID: "123", Path: "tests/fixtures/test.mp3", Suffix: "mp3", BitRate: 128, Duration: 257.0},
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})
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testCache := GetTranscodingCache()
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Eventually(func() bool { return testCache.Ready(context.TODO()) }).Should(BeTrue())
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streamer = NewMediaStreamer(ds, ffmpeg, testCache)
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})
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AfterEach(func() {
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_ = os.RemoveAll(conf.Server.DataFolder)
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})
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Context("NewStream", func() {
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It("returns a seekable stream if format is 'raw'", func() {
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s, err := streamer.NewStream(ctx, "123", "raw", 0)
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Expect(err).ToNot(HaveOccurred())
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Expect(s.Seekable()).To(BeTrue())
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})
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It("returns a seekable stream if maxBitRate is 0", func() {
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s, err := streamer.NewStream(ctx, "123", "mp3", 0)
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Expect(err).ToNot(HaveOccurred())
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Expect(s.Seekable()).To(BeTrue())
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})
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It("returns a seekable stream if maxBitRate is higher than file bitRate", func() {
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s, err := streamer.NewStream(ctx, "123", "mp3", 320)
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Expect(err).ToNot(HaveOccurred())
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Expect(s.Seekable()).To(BeTrue())
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})
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It("returns a NON seekable stream if transcode is required", func() {
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s, err := streamer.NewStream(ctx, "123", "mp3", 64)
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Expect(err).To(BeNil())
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Expect(s.Seekable()).To(BeFalse())
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Expect(s.Duration()).To(Equal(float32(257.0)))
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})
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It("returns a seekable stream if the file is complete in the cache", func() {
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s, err := streamer.NewStream(ctx, "123", "mp3", 32)
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Expect(err).To(BeNil())
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_, _ = io.ReadAll(s)
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_ = s.Close()
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Eventually(func() bool { return ffmpeg.closed }, "3s").Should(BeTrue())
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s, err = streamer.NewStream(ctx, "123", "mp3", 32)
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Expect(err).To(BeNil())
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Expect(s.Seekable()).To(BeTrue())
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})
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})
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Context("selectTranscodingOptions", func() {
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mf := &model.MediaFile{}
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Context("player is not configured", func() {
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It("returns raw if raw is requested", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, _ := selectTranscodingOptions(ctx, ds, mf, "raw", 0)
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Expect(format).To(Equal("raw"))
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})
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It("returns raw if a transcoder does not exists", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, _ := selectTranscodingOptions(ctx, ds, mf, "m4a", 0)
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Expect(format).To(Equal("raw"))
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})
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It("returns the requested format if a transcoder exists", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "mp3", 0)
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Expect(format).To(Equal("mp3"))
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Expect(bitRate).To(Equal(160)) // Default Bit Rate
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})
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It("returns raw if requested format is the same as the original and it is not necessary to downsample", func() {
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mf.Suffix = "mp3"
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mf.BitRate = 112
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format, _ := selectTranscodingOptions(ctx, ds, mf, "mp3", 128)
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Expect(format).To(Equal("raw"))
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})
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It("returns the requested format if requested BitRate is lower than original", func() {
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mf.Suffix = "mp3"
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mf.BitRate = 320
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "mp3", 192)
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Expect(format).To(Equal("mp3"))
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Expect(bitRate).To(Equal(192))
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})
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It("returns raw if requested format is the same as the original, but requested BitRate is 0", func() {
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mf.Suffix = "mp3"
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mf.BitRate = 320
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "mp3", 0)
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Expect(format).To(Equal("raw"))
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Expect(bitRate).To(Equal(320))
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})
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})
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Context("player has format configured", func() {
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BeforeEach(func() {
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t := model.Transcoding{ID: "oga1", TargetFormat: "oga", DefaultBitRate: 96}
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ctx = request.WithTranscoding(ctx, t)
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})
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It("returns raw if raw is requested", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, _ := selectTranscodingOptions(ctx, ds, mf, "raw", 0)
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Expect(format).To(Equal("raw"))
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})
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It("returns configured format/bitrate as default", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "", 0)
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Expect(format).To(Equal("oga"))
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Expect(bitRate).To(Equal(96))
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})
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It("returns requested format", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "mp3", 0)
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Expect(format).To(Equal("mp3"))
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Expect(bitRate).To(Equal(160)) // Default Bit Rate
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})
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It("returns requested bitrate", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "", 80)
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Expect(format).To(Equal("oga"))
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Expect(bitRate).To(Equal(80))
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})
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It("returns raw if selected bitrate and format is the same as original", func() {
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mf.Suffix = "mp3"
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mf.BitRate = 192
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "mp3", 192)
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Expect(format).To(Equal("raw"))
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Expect(bitRate).To(Equal(0))
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})
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})
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Context("player has maxBitRate configured", func() {
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BeforeEach(func() {
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t := model.Transcoding{ID: "oga1", TargetFormat: "oga", DefaultBitRate: 96}
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p := model.Player{ID: "player1", TranscodingId: t.ID, MaxBitRate: 80}
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ctx = request.WithTranscoding(ctx, t)
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ctx = request.WithPlayer(ctx, p)
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})
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It("returns raw if raw is requested", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, _ := selectTranscodingOptions(ctx, ds, mf, "raw", 0)
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Expect(format).To(Equal("raw"))
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})
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It("returns configured format/bitrate as default", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "", 0)
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Expect(format).To(Equal("oga"))
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Expect(bitRate).To(Equal(80))
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})
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It("returns requested format", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "mp3", 0)
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Expect(format).To(Equal("mp3"))
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Expect(bitRate).To(Equal(160)) // Default Bit Rate
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})
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It("returns requested bitrate", func() {
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mf.Suffix = "flac"
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mf.BitRate = 1000
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format, bitRate := selectTranscodingOptions(ctx, ds, mf, "", 80)
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Expect(format).To(Equal("oga"))
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Expect(bitRate).To(Equal(80))
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})
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})
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})
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})
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type fakeFFmpeg struct {
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Data string
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r io.Reader
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closed bool
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}
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func (ff *fakeFFmpeg) Start(ctx context.Context, cmd, path string, maxBitRate int) (f io.ReadCloser, err error) {
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ff.r = strings.NewReader(ff.Data)
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return ff, nil
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}
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func (ff *fakeFFmpeg) Read(p []byte) (n int, err error) {
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return ff.r.Read(p)
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}
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func (ff *fakeFFmpeg) Close() error {
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ff.closed = true
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return nil
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}
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