path: root/amadec/omx_audio/MP3_mediasource.h (plain)
blob: 685ae09a11fe87f6328524ec86b1a02d57cf8b43

1	#ifndef MEDIA_MP3MEDIASOURCE_H_
2	#define MEDIA_MP3MEDIASOURCE_H_
3
4	#include "MediaSource.h"
5	#include "DataSource.h"
6	#include "MediaBufferGroup.h"
7	#include "MetaData.h"
8	#include "audio_mediasource.h"
9	#include "../audio-dec.h"
10
11	namespace android
12	{
13
14	typedef int (*fp_read_buffer)(unsigned char *, int);
15
16	class MP3_MediaSource : public AudioMediaSource
17	{
18	public:
19	MP3_MediaSource(void *read_buffer, aml_audio_dec_t *audec, int *exit);
20
21	status_t start(MetaData *params = NULL);
22	status_t stop();
23	sp<MetaData> getFormat();
24	status_t read(MediaBuffer **buffer, const ReadOptions *options = NULL);
25
26	int GetReadedBytes();
27	int GetSampleRate();
28	int GetChNum();
29	int* Get_pStop_ReadBuf_Flag();
30	int Set_pStop_ReadBuf_Flag(int *pStop);
31
32	int set_MP3_MetaData(aml_audio_dec_t *audec);
33	int MediaSourceRead_buffer(unsigned char *buffer, int size);
34
35	inline bool GetMPEGAudioFrameSize(uint32_t header, int *frame_size, int *out_sampling_rate,
36	int *out_channels, int *out_bitrate, int *out_num_samples);
37	unsigned int Find_header(unsigned char *buffer, int *frame_size, int *out_sampling_rate,
38	int *out_channels, int *out_bitrate, int *out_num_samples);
39	bool refind_header(unsigned char *buffer, int *frame_size, unsigned char *header_buffer,
40	int offset, int *readbytes);
41	unsigned int Resync(uint32_t pos);
42
43	fp_read_buffer fpread_buffer;
44
45	int sample_rate;
46	int ChNum;
47	int frame_size;
48	int bitrate;
49	int num_samples;
50
51	int *pStop_ReadBuf_Flag;
52	int64_t bytes_readed_sum_pre;
53	int64_t bytes_readed_sum;
54
55	protected:
56	virtual ~MP3_MediaSource();
57
58	private:
59	bool mStarted;
60	sp<DataSource> mDataSource;
61	sp<MetaData> mMeta;
62	MediaBufferGroup *mGroup;
63	int64_t mCurrentTimeUs;
64	int Resynced_flag;
65	uint8_t *buf;
66	int Resync_framesize[3];
67	int Resync_pos;
68	uint32_t mFixedHeader;
69	int start_flag;
70	int64_t SyncWordPosArray[5];
71	int ResyncOccurFlag;
72
73	MP3_MediaSource(const MP3_MediaSource &);
74	MP3_MediaSource &operator=(const MP3_MediaSource &);
75	};
76
77
78	}
79
80	#endif
81