AMF0_FIELD(AMF0_COMMON,duration, 		AMF0_NUMBER)
AMF0_FIELD(AMF0_VIDEO, width, 			AMF0_NUMBER)
AMF0_FIELD(AMF0_VIDEO, height, 			AMF0_NUMBER)
AMF0_FIELD(AMF0_VIDEO, videodatarate, 	AMF0_NUMBER)
AMF0_FIELD(AMF0_VIDEO, framerate, 		AMF0_NUMBER)
AMF0_FIELD(AMF0_VIDEO, videocodecid, 	AMF0_NUMBER)
AMF0_FIELD(AMF0_AUDIO, audiodatarate, 	AMF0_NUMBER)
AMF0_FIELD(AMF0_AUDIO, audiosamplerate, AMF0_NUMBER)
AMF0_FIELD(AMF0_AUDIO, audiosamplesize, AMF0_NUMBER)
AMF0_FIELD(AMF0_AUDIO, stereo, 			AMF0_BOOLEAN)
AMF0_FIELD(AMF0_AUDIO, audiocodecid, 	AMF0_NUMBER)
AMF0_FIELD(AMF0_COMMON,filesize, 		AMF0_NUMBER)
