path: root/audio_hw.h (plain)
blob: 83d3080c573a24f22414028c72fbd451ba73b317

1	#ifndef _AUDIO_HW_H_
2
3	#include <audio_utils/resampler.h>
4	#include "audio_hwsync.h"
5
6	#define _AUDIO_HW_H_
7	#define _AUDIO_HW_H_
8	/* ALSA cards for AML */
9	#define CARD_AMLOGIC_BOARD 0
10	#define CARD_AMLOGIC_DEFAULT CARD_AMLOGIC_BOARD
11	/* ALSA ports for AML */
12	#define PORT_MM 1
13	/* number of frames per period */
14	#define DEFAULT_PERIOD_SIZE 1024 //(1024 * 2)
15	static unsigned PERIOD_SIZE = DEFAULT_PERIOD_SIZE;
16	/* number of periods for low power playback */
17	#define PLAYBACK_PERIOD_COUNT 4
18	/* number of periods for capture */
19	#define CAPTURE_PERIOD_COUNT 4
20
21	/* minimum sleep time in out_write() when write threshold is not reached */
22	#define MIN_WRITE_SLEEP_US 5000
23
24	#define RESAMPLER_BUFFER_FRAMES (PERIOD_SIZE * 6)
25	#define RESAMPLER_BUFFER_SIZE (4 * RESAMPLER_BUFFER_FRAMES)
26
27	static unsigned int DEFAULT_OUT_SAMPLING_RATE = 48000;
28
29	/* sampling rate when using MM low power port */
30	#define MM_LOW_POWER_SAMPLING_RATE 44100
31	/* sampling rate when using MM full power port */
32	#define MM_FULL_POWER_SAMPLING_RATE 48000
33	/* sampling rate when using VX port for narrow band */
34	#define VX_NB_SAMPLING_RATE 8000
35
36	enum {
37	TYPE_PCM = 0,
38	TYPE_AC3 = 2,
39	TYPE_DTS = 3,
40	TYPE_EAC3 = 4,
41	TYPE_DTS_HD = 5 ,
42	TYPE_MULTI_PCM = 6,
43	TYPE_TRUE_HD = 7,
44	TYPE_DTS_HD_MA = 8,//should not used after we unify DTS-HD&DTS-HD MA
45	TYPE_PCM_HIGH_SR = 9,
46	};
47
48	#define AML_HAL_MIXER_BUF_SIZE 64*1024
49	struct aml_hal_mixer {
50	unsigned char start_buf[AML_HAL_MIXER_BUF_SIZE];
51	unsigned int wp;
52	unsigned int rp;
53	unsigned int buf_size;
54	unsigned char need_cache_flag;//flag to check if need cache some data before write to mix
55	pthread_mutex_t lock;
56	};
57
58	#define MAX_STREAM_NUM 5
59
60	struct aml_audio_device {
61	struct audio_hw_device hw_device;
62
63	pthread_mutex_t lock; /* see note below on mutex acquisition order */
64	pthread_mutex_t pcm_write_lock;
65	int mode;
66	audio_devices_t in_device;
67	audio_devices_t out_device;
68	int in_call;
69	struct aml_stream_in *active_input;
70	struct aml_stream_out *active_output[MAX_STREAM_NUM];
71	unsigned char active_output_count;
72	bool mic_mute;
73	unsigned int card;
74	struct audio_route *ar;
75	struct echo_reference_itfe *echo_reference;
76	bool low_power;
77	struct aml_stream_out *hwsync_output;
78	struct aml_hal_mixer hal_mixer;
79	struct pcm *pcm;
80	bool hw_sync_mode;
81	audio_hwsync_t hwsync;
82	};
83
84	struct aml_stream_out {
85	struct audio_stream_out stream;
86	/* see note below on mutex acquisition order */
87	pthread_mutex_t lock;
88	/* config which set to ALSA device */
89	struct pcm_config config;
90	/* channel mask exposed to AudioFlinger. */
91	audio_channel_mask_t hal_channel_mask;
92	/* format mask exposed to AudioFlinger. */
93	audio_format_t hal_format;
94	/* samplerate exposed to AudioFlinger. */
95	unsigned int hal_rate;
96	audio_output_flags_t flags;
97	struct pcm *pcm;
98	struct resampler_itfe *resampler;
99	char *buffer;
100	size_t buffer_frames;
101	bool standby;
102	struct echo_reference_itfe *echo_reference;
103	struct aml_audio_device *dev;
104	int write_threshold;
105	bool low_power;
106	unsigned multich;
107	int codec_type;
108	uint64_t frame_write_sum;
109	uint64_t frame_skip_sum;
110	uint64_t last_frames_postion;
111	uint8_t hw_sync_header[16];
112	int hw_sync_header_cnt;
113	int hw_sync_state;
114	int hw_sync_body_cnt;
115	uint64_t spdif_enc_init_frame_write_sum;
116	uint64_t bytes_write_total;
117	int skip_frame;
118	uint8_t body_align[64];
119	uint8_t body_align_cnt;
120	int32_t *tmp_buffer_8ch;
121	int is_tv_platform;
122	void *audioeffect_tmp_buffer;
123	int has_SRS_lib;
124	int has_EQ_lib;
125	unsigned char pause_status;
126	bool hw_sync_mode;
127	bool first_apts_flag;//flag to indicate set first apts
128	uint64_t first_apts;
129	int64_t last_apts_from_header;
130	int has_aml_IIR_lib;
131	float volume_l;
132	float volume_r;
133	int last_codec_type;
134	//as raw audio framesize is 1 computed by audio_stream_out_frame_size
135	//we need divide more when we got 61937 audio package
136	int raw_61937_frame_size;//61937 frame size
137	unsigned last_dsp_frame;//recorded for wraparound print info
138	};
139
140	#define MAX_PREPROCESSORS 3 /* maximum one AGC + one NS + one AEC per input stream */
141	struct aml_stream_in {
142	struct audio_stream_in stream;
143	pthread_mutex_t lock; /* see note below on mutex acquisition order */
144	struct pcm_config config;
145	struct pcm *pcm;
146	int device;
147	struct resampler_itfe *resampler;
148	struct resampler_buffer_provider buf_provider;
149	int16_t *buffer;
150	size_t frames_in;
151	unsigned int requested_rate;
152	bool standby;
153	int source;
154	struct echo_reference_itfe *echo_reference;
155	bool need_echo_reference;
156	effect_handle_t preprocessors[MAX_PREPROCESSORS];
157	int num_preprocessors;
158	int16_t *proc_buf;
159	size_t proc_buf_size;
160	size_t proc_frames_in;
161	int16_t *ref_buf;
162	size_t ref_buf_size;
163	size_t ref_frames_in;
164	int read_status;
165	struct aml_audio_device *dev;
166	};
167	typedef int (*do_standby_func)(struct aml_stream_out *out);
168	typedef int (*do_startup_func)(struct aml_stream_out *out);
169	#endif
170