26
FILE FORMATS
138
N. type B section
a. Header
b. Data
Type A : 272 bytes (0x110)
Type B : Variable size data
26.6.2
Header
start
end
size
description
0
3
4
’PSAR’
4
7
4
0x01, 0x00, 0x00, 0x00
8
11
4
Size of the archive file (not including the PSAR header)
12
15
4
0x01, 0x00, 0x00, 0x00
26.6.3
Section Header
start
end
size
description
0
0xb0
??
4
u32 Size of data (without padding)
0x04
[0] always 0x80 ??
0x18
[*] Always 0x00 ??
0x04
[3] always 0x06 ??
0x0C
??
0x70
??
26.6.4
Type A Section (Data Block)
Data in Sections is padded to 16 bytes alignment. A "type 1" Section always contains 0x110 bytes of Data, and 0x260 bytes total
(including Header).
26.6.5
Type B Section (compressed Data Block)
A "type 2" Section contains variable amount of Data.
26.7
PMF (PSMF)
PSMF, or PlayStation Movie Format, is a proprietary movie format created by Sony for the PSP. PSMF videos can be as small as 64x64
pixels, and have a framerate of 29.97fps. The video codec used is H.264, also known as MPEG-4 Part 10 AVC. The audio codec is the
Sony proprietary ATRAC3plus.
start
end
size
description
0
3
4
’PSMF’
4
7
4
’0012’ (icon) or ’0014’ (movie)
The PMF file has a 2048 byte header, the actual MPEG-2 Program Stream starts with a 32-bit "pack code" which is 0x000001BA; this
appears 2048 bytes into the file.
26.8
THM
THM files, or "thumbnail" files, are nothing more than JPEG images. Specifically, they are 160x120 pixels, and use the .THM file
extension.
Содержание PlayStationPortable
Страница 114: ...12 AUDIO PROCESSING 114 12 Audio Processing 12 1 Overview 44100 Hz Sample Frequency ...
Страница 116: ...14 WLAN 116 14 WLAN ...
Страница 117: ...15 USB PORT 117 15 USB Port ...
Страница 118: ...16 UMD 118 16 UMD ...
Страница 119: ...17 MEMORY STICK 119 17 Memory Stick ...
Страница 128: ...21 FLASH MEMORY STRUCTURE FLASH1 128 21 Flash Memory Structure flash1 DIC REGISTRY VSH THEME ...
Страница 141: ...28 IPL 141 28 IPL ...