winamp/Src/mp3-mpg123/flv_mp3_decoder.h
2024-09-24 14:54:57 +02:00

45 lines
1.3 KiB
C++

#pragma once
#include "../Plugins/Input/in_flv/svc_flvdecoder.h"
#include "../Plugins/Input/in_flv/FLVAudioHeader.h"
#include "../Plugins/Input/in_flv/ifc_flvaudiodecoder.h"
#include <mpg123.h>
// {5CAED3F6-ED5F-4801-921E-9BF86A483016}
static const GUID flv_mp3_guid =
{ 0x5caed3f6, 0xed5f, 0x4801, { 0x92, 0x1e, 0x9b, 0xf8, 0x6a, 0x48, 0x30, 0x16 } };
class FLVDecoderCreator : public svc_flvdecoder
{
public:
static const char *getServiceName() { return "MP3 FLV Decoder"; }
static GUID getServiceGuid() { return flv_mp3_guid; }
int CreateAudioDecoder(int stereo, int bits, int sample_rate, int format, ifc_flvaudiodecoder **decoder);
int HandlesAudio(int format_type);
protected:
RECVS_DISPATCH;
};
class FLVMP3 : public ifc_flvaudiodecoder
{
public:
FLVMP3(mpg123_handle *mp3);
~FLVMP3();
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();
void SetPreferences(unsigned int max_channels, unsigned int preferred_bits);
private:
mpg123_handle *mp3;
unsigned int bits;
int pregap;
unsigned int max_channels;
unsigned int channels;
float *decode_buffer;
size_t decode_buffer_length;
protected:
RECVS_DISPATCH;
};