package rtc

import (
	"github.com/pion/rtp"
	"github.com/pion/rtp/codecs"
	"github.com/pion/webrtc/v3"
	"strings"
)

func payloaderForCodec(codec webrtc.RTPCodecCapability) (rtp.Payloader, error) {
	switch strings.ToLower(codec.MimeType) {
	case strings.ToLower(webrtc.MimeTypeH264):
		return &codecs.H264Payloader{}, nil
	case strings.ToLower(webrtc.MimeTypeOpus):
		return &codecs.OpusPayloader{}, nil
	case strings.ToLower(webrtc.MimeTypeVP8):
		return &codecs.VP8Payloader{}, nil
	case strings.ToLower(webrtc.MimeTypeVP9):
		return &codecs.VP9Payloader{}, nil
	case strings.ToLower(webrtc.MimeTypeG722):
		return &codecs.G722Payloader{}, nil
	case strings.ToLower(webrtc.MimeTypePCMU), strings.ToLower(webrtc.MimeTypePCMA):
		return &codecs.G711Payloader{}, nil
	default:
		return nil, webrtc.ErrNoPayloaderForCodec
	}
}