User`s manual

142 Appendix: GEME-VM3000 Series Introduction
AngeloMPEG4_Decode_ReInitial(Decoder_Index:Longi
nt; Quality:Longint;
Angelo_Video_Format:Longint):Longint;
AngeloMPEG4_Decode_ReInitialEx(Decoder_Index:Lon
gint; Bitrate:Longint; frame_rate:Longint;
Angelo_Video_Format:Longint):Longint;
@ Argument
Decoder_Index: Indicates the channel number of MPEG4
Decoder. The range of channel is 0 - 15.
Quality:
Bitrate: Indicates the bitrate of MPEG4 stream from encode
server.
Frame_rate: Indicates the frame rate of MPEG4 stream from
encode server. The values range is 0 - 30.
Angelo_Video_Format:
Full NTSC (640*480) = 0,
Full PAL (768*576) = 1,
CIF NTSC (320*240) = 2,
CIF PAL (384*288) = 3,
QCIF NTSC (160*120) = 4,
QCIF PAL (192*144) = 5,
Quality value image 640*480 image 320*240 image 160*120
Lowest -2
Bitrate = 320000*4
frame_rate = 3
Bitrate = 320000
frame_rate = 3
Bitrate = 240000/4
frame_rate = 3
Low -1
Bitrate = 400000*2
frame_rate = 6
Bitrate = 400000
frame_rate = 6
Bitrate = 400000/4
frame_rate = 6
Normal 0
Bitrate = 480000*4
frame_rate = 15
Bitrate = 480000
frame_rate = 15
Bitrate = 480000/4
frame_rate = 15
High 1
Bitrate = 512000*4
frame_rate = 30
Bitrate = 512000
frame_rate = 30
Bitrate = 512000/4
frame_rate = 30
Highest 2
Bitrate = 1024000*4
frame_rate = 30
Bitrate = 1024000
frame_rate = 30
Bitrate = 1024000/4
frame_rate = 30
Table 6-5: Video quality table