The Datastead RTSP DirectShow Source Filter SDK lets develop applications to capture RTSP, RTMP, RTP, HTTP, UDP, RTP, MMS, Shoutcast sources, decodes the streams and exposes the audio and video pins, perform text overlays, apply brightness, hue, saturation, saves the H264/AAC streams to MP4, FLV, MOV, AVI or MKV without transcoding. The filter is also able to generate new files on the fly without gap. Per-developer license, no runtime fees.