clipper/backend/media/media_set.go

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package media
import (
"fmt"
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"time"
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"github.com/google/uuid"
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)
const SizeOfInt16 = 2
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type Audio struct {
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ContentLength int64
Channels int
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// ApproxFrames is used during initial processing when a precise frame count
// cannot be determined. Prefer Frames in all other cases.
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ApproxFrames int64
Frames int64
SampleRate int
YoutubeItag int
MimeType string
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}
type Video struct {
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ContentLength int64
Duration time.Duration
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// not sure if this are needed any more?
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ThumbnailWidth int
ThumbnailHeight int
YoutubeItag int
MimeType string
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}
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// MediaSet represents the media and metadata associated with a single media
// resource (for example, a YouTube video).
type MediaSet struct {
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Audio Audio `json:"audio"`
Video Video `json:"video"`
ID uuid.UUID `json:"id"`
YoutubeID string `json:"youtube_id"`
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exists bool
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}
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// New builds a new MediaSet with the given ID.
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func NewMediaSet(youtubeID string) *MediaSet {
return &MediaSet{YoutubeID: youtubeID}
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}
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// TODO: pass io.Readers/Writers instead of strings.
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func (m *MediaSet) RawAudioPath() string { return fmt.Sprintf("cache/%s.raw", m.YoutubeID) }
func (m *MediaSet) EncodedAudioPath() string { return fmt.Sprintf("cache/%s.m4a", m.YoutubeID) }
func (m *MediaSet) VideoPath() string { return fmt.Sprintf("cache/%s.mp4", m.YoutubeID) }
func (m *MediaSet) ThumbnailPath() string { return fmt.Sprintf("cache/%s.jpg", m.YoutubeID) }
func (m *MediaSet) MetadataPath() string { return fmt.Sprintf("cache/%s.json", m.YoutubeID) }