mirror of
https://github.com/vgmstream/vgmstream.git
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52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#include "coding.h"
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#include "../util.h"
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#ifdef VGM_USE_G7221
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void decode_g7221(VGMSTREAM * vgmstream, sample * outbuf, int channelspacing, int32_t samples_to_do, int channel) {
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VGMSTREAMCHANNEL *ch = &vgmstream->ch[channel];
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g7221_codec_data *data = vgmstream->codec_data;
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g7221_codec_data *ch_data = &data[channel];
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int i;
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if (0 == vgmstream->samples_into_block)
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{
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int16_t code_buffer[960/8];
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vgmstream->ch[channel].streamfile->read(ch->streamfile, (uint8_t*)code_buffer, ch->offset, vgmstream->interleave_block_size);
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g7221_decode_frame(ch_data->handle, code_buffer, ch_data->buffer);
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}
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for (i = 0; i < samples_to_do; i++)
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{
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outbuf[i*channelspacing] = ch_data->buffer[vgmstream->samples_into_block+i];
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}
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}
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void reset_g7221(VGMSTREAM *vgmstream) {
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g7221_codec_data *data = vgmstream->codec_data;
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int i;
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for (i = 0; i < vgmstream->channels; i++)
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{
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g7221_reset(data[i].handle);
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}
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}
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void free_g7221(VGMSTREAM *vgmstream) {
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g7221_codec_data *data = (g7221_codec_data *) vgmstream->codec_data;
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if (data)
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{
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int i;
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for (i = 0; i < vgmstream->channels; i++)
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{
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g7221_free(data[i].handle);
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}
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free(data);
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}
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}
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#endif
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