122 lines
2.4 KiB
C++
122 lines
2.4 KiB
C++
#include "NSVAACDecoder.h"
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#include <assert.h>
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#include "api.h"
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#include "../nsv/nsvlib.h"
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#include "api.h"
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#include "../nsv/nsvlib.h"
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#include "../nsv/dec_if.h"
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#include <string.h>
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#include <bfc/platform/export.h>
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#include "NSVAACDecoder.h"
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#include <bfc/error.h>
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#ifndef MIN
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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NSVAACDecoder *NSVAACDecoder::CreateDecoder()
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{
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NSVAACDecoder *decoder=0;
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WASABI_API_MEMMGR->New(&decoder);
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if (!decoder)
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{
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return 0;
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}
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decoder->Initialize();
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return decoder;
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}
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NSVAACDecoder::NSVAACDecoder()
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{
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source_position=0;
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out_left=0;
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in_position=0;
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}
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NSVAACDecoder::~NSVAACDecoder()
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{
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}
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void NSVAACDecoder::Initialize()
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{
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decoder.Open();
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}
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void NSVAACDecoder::flush()
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{
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decoder.Flush();
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}
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// returns -1 on error, 0 on success (done with data in 'in'), 1 on success
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// but to pass 'in' again next time around.
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int NSVAACDecoder::decode(void *in, int in_len, void *out, int *out_len, unsigned int out_fmt[8])
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{
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HRESULT hr;
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size_t local_out_len = *out_len;
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if (SUCCEEDED(decoder.Decode(out, &local_out_len, 16, false, 1.0))) {
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*out_len = (int)local_out_len;
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if (local_out_len) {
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uint32_t local_sample_rate, local_channels;
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if (SUCCEEDED(decoder.GetOutputProperties(&local_sample_rate, &local_channels))) {
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out_fmt[0] = NSV_MAKETYPE('P', 'C', 'M', ' ');
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out_fmt[1] = local_sample_rate;
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out_fmt[2] = local_channels;
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out_fmt[3] = 16;
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}
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return 1;
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}
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}
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hr = decoder.Feed(in, in_len);
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if (FAILED(hr)) {
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hr=hr;
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}
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local_out_len = *out_len;
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if (SUCCEEDED(decoder.Decode(out, &local_out_len, 16, false, 1.0))) {
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*out_len = (int)local_out_len;
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if (local_out_len) {
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uint32_t local_sample_rate, local_channels;
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if (SUCCEEDED(decoder.GetOutputProperties(&local_sample_rate, &local_channels))) {
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out_fmt[0] = NSV_MAKETYPE('P', 'C', 'M', ' ');
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out_fmt[1] = local_sample_rate;
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out_fmt[2] = local_channels;
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out_fmt[3] = 16;
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}
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}
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} else {
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*out_len = 0;
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}
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return 0;
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}
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IAudioDecoder *NSVDecoder::CreateAudioDecoder(FOURCC format, IAudioOutput **output)
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{
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switch (format)
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{
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case NSV_MAKETYPE('A', 'A', 'C', ' ') :
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case NSV_MAKETYPE('A', 'A', 'C', 'P'):
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case NSV_MAKETYPE('A', 'P', 'L', ' '):
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{
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NSVAACDecoder *dec = NSVAACDecoder::CreateDecoder();
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return dec;
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}
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default:
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return 0;
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}
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}
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#define CBCLASS NSVDecoder
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START_DISPATCH;
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CB(SVC_NSVFACTORY_CREATEAUDIODECODER, CreateAudioDecoder)
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END_DISPATCH;
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#undef CBCLASS
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