winamp/Src/aacdec/FLVAACDecoder.h
2024-09-24 14:54:57 +02:00

46 lines
1.3 KiB
C++

#pragma once
#include "../in_flv/svc_flvdecoder.h"
#include "../in_flv/FLVAudioHeader.h"
#include "../in_flv/ifc_flvaudiodecoder.h"
#include "incs/mp4AudioDecIfc.h"
// {7FD8F2D0-7490-45fd-B741-BF3F9EEF0BE4}
static const GUID flv_aac_guid =
{ 0x7fd8f2d0, 0x7490, 0x45fd, { 0xb7, 0x41, 0xbf, 0x3f, 0x9e, 0xef, 0xb, 0xe4 } };
class FLVDecoder : public svc_flvdecoder
{
public:
static const char *getServiceName() { return "AAC FLV Decoder"; }
static GUID getServiceGuid() { return flv_aac_guid; }
int CreateAudioDecoder(int stereo, int bits, int sample_rate, int format, ifc_flvaudiodecoder **decoder);
int HandlesAudio(int format_type);
protected:
RECVS_DISPATCH;
};
class FLVAAC : public ifc_flvaudiodecoder
{
public:
FLVAAC(CAccessUnitPtr access_unit);
int GetOutputFormat(unsigned int *sample_rate, unsigned int *channels, unsigned int *bits);
int DecodeSample(const void *input_buffer, size_t input_buffer_bytes, void *samples, size_t *samples_size_bytes, double *bitrate);
void Flush();
void Close();
int Ready();
void SetPreferences(unsigned int max_channels, unsigned int preferred_bits);
private:
/* data */
mp4AudioDecoderHandle decoder;
CCompositionUnitPtr composition_unit; /* output */
CAccessUnitPtr access_unit; /* input */
unsigned int bps;
size_t preDelay;
bool got_decoder_config;
protected:
RECVS_DISPATCH;
};