audiooutputalsa.cpp File Reference

#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <sys/time.h>
#include <QFile>
#include "libmythbase/mythcorecontext.h"
#include "libmythbase/mythlogging.h"
#include "audiooutputalsa.h"

Include dependency graph for audiooutputalsa.cpp:

Go to the source code of this file.

Macros
#define	LOC   QString("ALSA: ")
#define	assert(x)
#define	AERROR(str)   LOG(VB_GENERAL, LOG_ERR, LOC + (str) + QString(": %1").arg(snd_strerror(err)))
#define	CHECKERR(str)   { if (err < 0) { AERROR(str); return err; } }

Functions
template<class AudioDataType >
static void	tReorderSmpteToAlsa (AudioDataType *buf, uint frames, uint extrach)
static void	ReorderSmpteToAlsa (void *buf, uint frames, AudioFormat format, uint extrach)

Variables
static constexpr uint8_t	CHANNELS_MIN { 1 }
static constexpr uint8_t	CHANNELS_MAX { 8 }
static constexpr int	OPEN_FLAGS { SND_PCM_NO_AUTO_RESAMPLE | SND_PCM_NO_AUTO_FORMAT | SND_PCM_NO_AUTO_CHANNELS }
static constexpr int	FILTER_FLAGS { ~(SND_PCM_NO_AUTO_FORMAT) }

Macro Definition Documentation

AERROR

#define AERROR

(

str

)

LOG(VB_GENERAL, LOG_ERR, LOC + (str) + QString(": %1").arg(snd_strerror(err)))

Definition at line 27 of file audiooutputalsa.cpp.

assert

#define assert

(

x

)

Definition at line 16 of file audiooutputalsa.cpp.

CHECKERR

#define CHECKERR

(

str

)

{ if (err < 0) { AERROR(str); return err; } }

Definition at line 28 of file audiooutputalsa.cpp.

LOC

#define LOC   QString("ALSA: ")

Definition at line 11 of file audiooutputalsa.cpp.

Function Documentation

ReorderSmpteToAlsa()

static void ReorderSmpteToAlsa ( void *  buf, uint  frames, AudioFormat  format, uint  extrach  )

inlinestatic

Definition at line 536 of file audiooutputalsa.cpp.

Referenced by AudioOutputALSA::WriteAudio().

tReorderSmpteToAlsa()

template<class AudioDataType >

static void tReorderSmpteToAlsa ( AudioDataType *  buf, uint  frames, uint  extrach  )

inlinestatic

Definition at line 515 of file audiooutputalsa.cpp.

Referenced by ReorderSmpteToAlsa().

Variable Documentation

CHANNELS_MAX

constexpr uint8_t CHANNELS_MAX { 8 }

staticconstexpr

Definition at line 19 of file audiooutputalsa.cpp.

Referenced by AudioOutputALSA::GetOutputSettings().

CHANNELS_MIN

constexpr uint8_t CHANNELS_MIN { 1 }

staticconstexpr

Definition at line 18 of file audiooutputalsa.cpp.

Referenced by AudioOutputALSA::GetOutputSettings().

FILTER_FLAGS

constexpr int FILTER_FLAGS { ~(SND_PCM_NO_AUTO_FORMAT) }

staticconstexpr

Definition at line 24 of file audiooutputalsa.cpp.

Referenced by AudioOutputALSA::GetOutputSettings().

OPEN_FLAGS

constexpr int OPEN_FLAGS { SND_PCM_NO_AUTO_RESAMPLE | SND_PCM_NO_AUTO_FORMAT | SND_PCM_NO_AUTO_CHANNELS }

staticconstexpr

Definition at line 21 of file audiooutputalsa.cpp.

Referenced by AudioOutputALSA::GetOutputSettings().