|
1
|
1 #pragma once
|
|
|
2 #include "../SDK/packet_decoder.h"
|
|
|
3
|
|
|
4 /*
|
|
|
5 Helper code with common AAC packet_decoder functionality. Primarily meant for foo_input_std-internal use.
|
|
|
6 */
|
|
|
7
|
|
|
8 class packet_decoder_aac_common : public packet_decoder {
|
|
|
9 public:
|
|
|
10 static pfc::array_t<uint8_t> parseDecoderSetup( const GUID & p_owner,t_size p_param1,const void * p_param2,t_size p_param2size);
|
|
|
11 static bool testDecoderSetup( const GUID & p_owner, t_size p_param1, const void * p_param2, t_size p_param2size );
|
|
|
12 static size_t skipADTSHeader( const uint8_t * data,size_t size );
|
|
|
13
|
|
|
14 static unsigned get_max_frame_dependency_()
|
|
|
15 {
|
|
|
16 return 2;
|
|
|
17 }
|
|
|
18 static double get_max_frame_dependency_time_()
|
|
|
19 {
|
|
|
20 return 1024.0 / 8000.0;
|
|
|
21 }
|
|
|
22
|
|
|
23 static void make_ESDS( pfc::array_t<uint8_t> & outESDS, const void * inCodecPrivate, size_t inCodecPrivateSize );
|
|
|
24 static const char * objectTypeStr( unsigned ot );
|
|
|
25 struct audioSpecificConfig_t {
|
|
|
26 unsigned m_objectType;
|
|
|
27 unsigned m_sampleRate;
|
|
|
28 unsigned m_channels;
|
|
|
29 unsigned m_sbrRate;
|
|
|
30 bool m_shortWindow;
|
|
|
31 bool m_explicitSBR, m_explicitPS;
|
|
|
32
|
|
|
33 bool isUSAC() const { return m_objectType == 42 || m_objectType == 45; }
|
|
|
34 const char * objectTypeStr() const;
|
|
|
35 };
|
|
|
36
|
|
|
37 static audioSpecificConfig_t parseASC(const void *, size_t);
|
|
|
38
|
|
|
39 static unsigned get_ASC_object_type(const void *, size_t);
|
|
|
40
|
|
|
41 static pfc::array_t<uint8_t> buildASC(audioSpecificConfig_t const&);
|
|
|
42
|
|
|
43 // If no sane ASC was provided by container, make something up to initialize decoder and attempt decoding.
|
|
|
44 static pfc::array_t<uint8_t> buildSafeASC(unsigned rate = 0);
|
|
|
45
|
|
|
46 };
|
