Cool_Tools/vgmstream
1
0
Fork 0
mirror of https://github.com/vgmstream/vgmstream.git synced 2025-01-19 00:04:04 +01:00
Code Issues Packages Projects Releases Wiki Activity

Add dsp_read_coefs_le

Browse Source
This commit is contained in:
bnnm 2017-01-25 22:20:01 +01:00
parent 9ae63e470b
commit 068284ff09
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/coding/coding.h
View File

@ -30,8 +30,11 @@ void decode_otns_ima(VGMSTREAM * vgmstream, VGMSTREAMCHANNEL * stream, sample *
/* ngc_dsp_decoder */
void decode_ngc_dsp(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do);
void decode_ngc_dsp_mem(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, uint8_t * mem);
int32_t dsp_nibbles_to_samples(int32_t nibbles);
void dsp_read_coefs_be(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t offset, off_t spacing);
void dsp_read_coefs_le(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t offset, off_t spacing);
void dsp_read_coefs(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t offset, off_t spacing, int be);
/* ngc_dtk_decoder */
void decode_ngc_dtk(VGMSTREAMCHANNEL * stream, sample * outbuf, int channelspacing, int32_t first_sample, int32_t samples_to_do, int channel);

11
src/coding/ngc_dsp_decoder.c
View File

@ -100,12 +100,19 @@ int32_t dsp_nibbles_to_samples(int32_t nibbles) {
* reads DSP coefs built in the streamfile
*/
void dsp_read_coefs_be(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t offset, off_t spacing) {
dsp_read_coefs(vgmstream, streamFile, offset, spacing, 1);
}
void dsp_read_coefs_le(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t offset, off_t spacing) {
dsp_read_coefs(vgmstream, streamFile, offset, spacing, 0);
}
void dsp_read_coefs(VGMSTREAM * vgmstream, STREAMFILE *streamFile, off_t offset, off_t spacing, int be) {
int ch, i;
/* get ADPCM coefs */
for (ch=0; ch < vgmstream->channels; ch++) {
for (i=0; i < 16; i++) {
vgmstream->ch[ch].adpcm_coef[i] =
read_16bitBE(offset + ch*spacing + i*2, streamFile);
vgmstream->ch[ch].adpcm_coef[i] = be ?
read_16bitBE(offset + ch*spacing + i*2, streamFile) :
read_16bitLE(offset + ch*spacing + i*2, streamFile);
}
}
}