Dmitry Sergeev
57 lines
1.0 KiB
Go
57 lines
1.0 KiB
Go
package playback
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import (
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"context"
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"errors"
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"fmt"
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)
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type videoSinkError struct {
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err error
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}
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func (e *videoSinkError) Error() string {
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return fmt.Sprintf("consume video: %v", e.err)
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}
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func (e *videoSinkError) Unwrap() error {
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return e.err
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}
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func runVideoAttempt(
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ctx context.Context,
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factory VideoReaderFactory,
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sink VideoSink,
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config FeedConfig,
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) (resultErr error) {
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ctx = withVideoSource(ctx, config)
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reader, err := factory.OpenVideo(ctx, config)
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if err != nil {
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return fmt.Errorf("open video: %w", err)
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}
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defer func() {
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if closeErr := reader.Close(); closeErr != nil {
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closeErr = fmt.Errorf("close video: %w", closeErr)
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resultErr = errors.Join(resultErr, closeErr)
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}
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}()
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for {
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frame, err := reader.ReadVideo(ctx)
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if err != nil {
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if ctx.Err() != nil {
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return ctx.Err()
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}
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return fmt.Errorf("read video: %w", err)
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}
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if err := sink.ConsumeVideo(ctx, frame); err != nil {
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if ctx.Err() != nil {
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return ctx.Err()
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}
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return &videoSinkError{err: err}
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}
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}
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}
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