Qualcomm code-excited linear prediction QCP HTC S730 Enhanced Variable Rate Codec Motorola Q9c Motorola Q List of codecs KMPlayer Libavcodec 3GP and 3G2 Real-time Transport Protocol ISO base media file format QuickTime RetroCode FFmpeg BlackBerry Storm Libav Comparison of video container formats Samsung U960 Rogue RTP payload formats Comparison of audio coding formats