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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6366 b3059339-0415-0410-9bf9-f77b7e298cf2
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arpi 2002-06-09 22:02:46 +00:00
parent b7bf84e540
commit d5ea99b894
1 changed files with 16 additions and 4 deletions
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20
DOCS/tech/realcodecs/audio-codecs.txt
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@ -5,15 +5,15 @@ but i have only analyzed the cook codec
audio properties audio properties
00 short text/description of the format (bitrate, when to use) 00 short text/description of the format (bitrate, when to use)
01 avg. bytes/sec output 01 bitrate (bits/s) //avg. bytes/sec output
02 ulong: ? 02 ulong: ?
ulong: samples per second ulong: samples per second
ushort: bits/sample ushort: bits/sample
ushort: number of channels ushort: number of channels
03 constant 2 03 same as 02 //constant 2
04 long description 04 long description
05 constant 1 (always?) 05 constant 1 (always?)
06 ulong: block align (input frame for RADecode) 06 ulong: block align (input frame size for RADecode)
07 string: minimum player version 07 string: minimum player version
08 n/a 08 n/a
09 n/a 09 n/a
@ -37,7 +37,19 @@ functions:
ulong result=RAOpenCodec2(ra_main_t *raMain); ulong result=RAOpenCodec2(ra_main_t *raMain);
ulong result=RAInitDecoder(ra_main_t *raMain, p2); ulong result=RAInitDecoder(ra_main_t *raMain, p2);
p2=? p2 points to an array of 7 longs:
bfffefe0 22 56 00 00 10 00 02 00 64 00 00 00 3c 00 00 00 "V......d...<...
bfffeff0 58 02 00 00 10 00 00 00 f0 73 1c 08 7c f0 ff bf X........s..|...
long 00005622=22050 (Hz)
short 0010=16 (bit)
short 0002=2 (channels)
long 00000064=100 ???
long 0000003c=60 ???
long 00000258=600 packet size (used for 'p3' of RADecode)
long 00000010=16 ???
long 081c73f0= looks like a pointer
void *GetRAFlavorProperty(ra_main_t *raMain, ulong flavor, ulong property, void *GetRAFlavorProperty(ra_main_t *raMain, ulong flavor, ulong property,