Cool_Tools/vgmstream
1
0
Fork 0
mirror of https://github.com/vgmstream/vgmstream.git synced 2025-02-20 04:21:11 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add doc

Browse Source
This commit is contained in:
bnnm 2018-12-22 20:13:41 +01:00
parent 212cdf7a32
commit 2e3add8354
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/coding/ea_xas_decoder.c
View File

@ -9,8 +9,9 @@ static const int EA_XA_TABLE[20] = {
0, -1, -3, -4
};
/* EA-XAS, evolution of EA-XA and cousin of MTA2. Layout: blocks of 0x4c per channel (128 samples),
* divided into 4 headers + 4 vertical groups of 15 bytes (for parallelism?).
/* EA-XAS, evolution of EA-XA and cousin of MTA2. From FFmpeg (general info) + MTA2 (layout) + EA-XA (decoding)
*
* Layout: blocks of 0x4c per channel (128 samples), divided into 4 headers + 4 vertical groups of 15 bytes (for parallelism?).
* To simplify, always decodes the block and discards unneeded samples, so doesn't use external hist. */
void decode_ea_xas(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel) {
int group, row, i;