linuxrec.cpp File Reference

#include "linuxrec.h"
#include <alsa/asoundlib.h>
#include <fcntl.h>
#include <file_operation.h>
#include <pthread.h>
#include <signal.h>
#include <sys/stat.h>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <fstream>
#include "common_config.h"
#include "formats.h"

Include dependency graph for linuxrec.cpp:

Go to the source code of this file.

Macros
#define	dbg   printf
#define	DBG_ON   1
#define	DEF_BUFF_TIME   500000
#define	DEF_PERIOD_TIME   100000
#define	FRAME_CNT   10
#define	SAMPLE_BIT_SIZE   16
#define	SAMPLE_RATE   16000

Functions
void	closeRecorder (struct recorder *rec)
static void	closeRecorderInternal (struct recorder *rec)
int	createRecorder (struct recorder **out_rec, void(*on_data_ind)(char *data, unsigned long len, void *user_cb_para), void *user_cb_para)
static int	createRecordThread (void *para, pthread_t *tidp, std::string base_path)
void	destroyRecorder (struct recorder *rec)
static int	format_ms_to_alsa (const WAVEFORMATEX *wavfmt, snd_pcm_format_t *format)
static void	free_rec_buffer (struct recorder *rec)
record_dev_id	getDefaultInputDevice ()
int	getInputDeviceNum ()
static int	getPcmDeviceCount (snd_pcm_stream_t stream)
int	isRecordStopped (struct recorder *rec)
static int	isStoppedInternal (struct recorder *rec)
record_dev_id *	listInputDevice ()
int	openRecorder (struct recorder *rec, record_dev_id dev, WAVEFORMATEX *fmt, std::string base_path)
static int	openRecorderInternal (struct recorder *rec, record_dev_id dev, WAVEFORMATEX *fmt, std::string base_path)
static ssize_t	pcm_read (struct recorder *rec, size_t rcount)
static int	prepareRecBuffer (struct recorder *rec)
static void *	recordThreadProc (void *para)
static int	set_hwparams (struct recorder *rec, const WAVEFORMATEX *wavfmt, unsigned int buffertime, unsigned int periodtime)
static int	set_params (struct recorder *rec, WAVEFORMATEX *fmt, unsigned int buffertime, unsigned int periodtime)
static int	set_swparams (struct recorder *rec)
int	startRecord (struct recorder *rec)
static int	startRecordInternal (snd_pcm_t *pcm)
int	stopRecord (struct recorder *rec)
static int	stopRecordInternal (snd_pcm_t *pcm)
static int	xrun_recovery (snd_pcm_t *handle, int err)

Variables
static int	g_show_xrun = 1

Macro Definition Documentation

#define dbg   printf

Definition at line 17 of file linuxrec.cpp.

#define DBG_ON   1

Definition at line 15 of file linuxrec.cpp.

#define DEF_BUFF_TIME   500000

Definition at line 32 of file linuxrec.cpp.

#define DEF_PERIOD_TIME   100000

Definition at line 34 of file linuxrec.cpp.

#define FRAME_CNT   10

Definition at line 28 of file linuxrec.cpp.

#define SAMPLE_BIT_SIZE   16

Definition at line 26 of file linuxrec.cpp.

#define SAMPLE_RATE   16000

Definition at line 24 of file linuxrec.cpp.

Function Documentation

void closeRecorder

(

struct recorder *

rec

)

Definition at line 738 of file linuxrec.cpp.

static void closeRecorderInternal ( struct recorder *  rec )

static

Definition at line 621 of file linuxrec.cpp.

int createRecorder	(	struct recorder **	out_rec,
		void(*)(char *data, unsigned long len, void *user_cb_para)	on_data_ind,
		void *	user_cb_para
	)

Definition at line 699 of file linuxrec.cpp.

static int createRecordThread ( void *  para, pthread_t *  tidp, std::string  base_path  )

static

Definition at line 556 of file linuxrec.cpp.

void destroyRecorder

(

struct recorder *

rec

)

Definition at line 717 of file linuxrec.cpp.

static int format_ms_to_alsa ( const WAVEFORMATEX *  wavfmt, snd_pcm_format_t *  format  )

static

Definition at line 69 of file linuxrec.cpp.

static void free_rec_buffer ( struct recorder *  rec )

static

Definition at line 568 of file linuxrec.cpp.

record_dev_id getDefaultInputDevice

(

)

Definition at line 680 of file linuxrec.cpp.

int getInputDeviceNum

(

)

Definition at line 693 of file linuxrec.cpp.

static int getPcmDeviceCount ( snd_pcm_stream_t  stream )

static

Definition at line 643 of file linuxrec.cpp.

int isRecordStopped

(

struct recorder *

rec

)

Definition at line 786 of file linuxrec.cpp.

static int isStoppedInternal ( struct recorder *  rec )

static

Definition at line 235 of file linuxrec.cpp.

record_dev_id* listInputDevice

(

)

Definition at line 687 of file linuxrec.cpp.

int openRecorder	(	struct recorder *	rec,
		record_dev_id	dev,
		WAVEFORMATEX *	fmt,
		std::string	base_path
	)

Definition at line 724 of file linuxrec.cpp.

static int openRecorderInternal ( struct recorder *  rec, record_dev_id  dev, WAVEFORMATEX *  fmt, std::string  base_path  )

static

Definition at line 589 of file linuxrec.cpp.

static ssize_t pcm_read ( struct recorder *  rec, size_t  rcount  )

static

Definition at line 480 of file linuxrec.cpp.

static int prepareRecBuffer ( struct recorder *  rec )

static

Definition at line 577 of file linuxrec.cpp.

static void* recordThreadProc ( void *  para )

static

Definition at line 517 of file linuxrec.cpp.

static int set_hwparams ( struct recorder *  rec, const WAVEFORMATEX *  wavfmt, unsigned int  buffertime, unsigned int  periodtime  )

static

Definition at line 251 of file linuxrec.cpp.

static int set_params ( struct recorder *  rec, WAVEFORMATEX *  fmt, unsigned int  buffertime, unsigned int  periodtime  )

static

Definition at line 413 of file linuxrec.cpp.

static int set_swparams ( struct recorder *  rec )

static

Definition at line 371 of file linuxrec.cpp.

int startRecord

(

struct recorder *

rec

)

Definition at line 749 of file linuxrec.cpp.

static int startRecordInternal ( snd_pcm_t *  pcm )

static

Definition at line 225 of file linuxrec.cpp.

int stopRecord

(

struct recorder *

rec

)

Definition at line 766 of file linuxrec.cpp.

static int stopRecordInternal ( snd_pcm_t *  pcm )

static

Definition at line 230 of file linuxrec.cpp.

static int xrun_recovery ( snd_pcm_t *  handle, int  err  )

static

Definition at line 442 of file linuxrec.cpp.

Variable Documentation

int g_show_xrun = 1

static

Definition at line 224 of file linuxrec.cpp.