75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package media
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import (
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"context"
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"fmt"
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"strings"
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pkgmedia "spark-server/internal/pkg/media"
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)
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// BotAsset is compressed media ready for objectstore.Put / PutLarge.
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type BotAsset struct {
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Data []byte
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Width int
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Height int
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MIME string
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Size int64
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}
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// PrepareBotImage compresses RSS/downloaded image bytes to ≤1080p before object storage write.
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// Call this after HTTP download and before PutLarge.
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func PrepareBotImage(src []byte, opt *Options) (*BotAsset, error) {
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res, err := CompressImage(src, opt)
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if err != nil {
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return nil, err
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}
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return &BotAsset{
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Data: res.Data, Width: res.Width, Height: res.Height,
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MIME: res.MIME, Size: int64(len(res.Data)),
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}, nil
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}
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// PrepareBotAvatar compresses bot avatar to ≤200×200.
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func PrepareBotAvatar(src []byte, opt *Options) (*BotAsset, error) {
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res, err := CompressAvatar(src, opt)
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if err != nil {
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return nil, err
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}
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return &BotAsset{
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Data: res.Data, Width: res.Width, Height: res.Height,
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MIME: res.MIME, Size: int64(len(res.Data)),
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}, nil
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}
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// PrepareBotVideo compresses downloaded video to ≤720p (requires ffmpeg).
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func PrepareBotVideo(ctx context.Context, src []byte, opt *Options) (*BotAsset, error) {
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res, err := CompressVideoBytes(ctx, src, opt)
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if err != nil {
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return nil, err
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}
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return &BotAsset{
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Data: res.Data, Width: res.Width, Height: res.Height,
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MIME: res.MIME, Size: int64(len(res.Data)),
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}, nil
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}
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// OptionsFromLimits builds compressor options from shared policy limits.
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func OptionsFromLimits(lim pkgmedia.Limits, jpegQuality, videoCRF int, ffmpegPath string) Options {
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return Options{
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Limits: lim.Normalize(),
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JPEGQuality: jpegQuality,
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VideoCRF: videoCRF,
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FFmpegPath: strings.TrimSpace(ffmpegPath),
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}
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}
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// MustCompressBotImage is PrepareBotImage with a clearer error prefix for callers.
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func MustCompressBotImage(src []byte, opt *Options) (*BotAsset, error) {
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a, err := PrepareBotImage(src, opt)
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if err != nil {
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return nil, fmt.Errorf("bot image compress: %w", err)
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}
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return a, nil
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}
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