63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
FLV_AUDIO_SUCCESS = 0,
|
||
|
|
FLV_AUDIO_FAILURE = 1,
|
||
|
|
FLV_AUDIO_NEEDS_MORE_INPUT = 2,
|
||
|
|
};
|
||
|
|
|
||
|
|
class ifc_flvaudiodecoder : public Dispatchable
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
ifc_flvaudiodecoder() {}
|
||
|
|
~ifc_flvaudiodecoder() {}
|
||
|
|
public:
|
||
|
|
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(); // returns 1 for ready [default], 0 for not ready. Some codecs in FLV use the first packet for decoder config data. return 1 from this once you've gotten it
|
||
|
|
void SetPreferences(unsigned int max_channels, unsigned int preferred_bits);
|
||
|
|
DISPATCH_CODES
|
||
|
|
{
|
||
|
|
FLV_AUDIO_GETOUTPUTFORMAT = 0,
|
||
|
|
FLV_AUDIO_DECODE = 1,
|
||
|
|
FLV_AUDIO_FLUSH = 2,
|
||
|
|
FLV_AUDIO_CLOSE = 3,
|
||
|
|
FLV_AUDIO_READY = 4,
|
||
|
|
FLV_AUDIO_SETPREFERENCES=5,
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
inline int ifc_flvaudiodecoder::GetOutputFormat(unsigned int *sample_rate, unsigned int *channels, unsigned int *bits)
|
||
|
|
{
|
||
|
|
return _call(FLV_AUDIO_GETOUTPUTFORMAT, (int)FLV_AUDIO_FAILURE, sample_rate, channels, bits);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int ifc_flvaudiodecoder::DecodeSample(const void *input_buffer, size_t input_buffer_bytes, void *samples, size_t *samples_size_bytes, double *bitrate)
|
||
|
|
{
|
||
|
|
return _call(FLV_AUDIO_DECODE, (int)FLV_AUDIO_FAILURE, input_buffer, input_buffer_bytes, samples, samples_size_bytes, bitrate);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void ifc_flvaudiodecoder::Flush()
|
||
|
|
{
|
||
|
|
_voidcall(FLV_AUDIO_FLUSH);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void ifc_flvaudiodecoder::Close()
|
||
|
|
{
|
||
|
|
_voidcall(FLV_AUDIO_CLOSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int ifc_flvaudiodecoder::Ready()
|
||
|
|
{
|
||
|
|
return _call(FLV_AUDIO_READY, (int)1); // default to true so that decoders that don't implement won't block in_flv from seeking
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void ifc_flvaudiodecoder::SetPreferences(unsigned int max_channels, unsigned int preferred_bits)
|
||
|
|
{
|
||
|
|
_voidcall(FLV_AUDIO_SETPREFERENCES, max_channels, preferred_bits);
|
||
|
|
}
|
||
|
|
|