Nagram/TMessagesProj/jni/libtgvoip3/os/linux/AudioOutputALSA.h
2020-04-24 12:21:58 +03:00

52 lines
1.5 KiB
C++

//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//
#ifndef LIBTGVOIP_AUDIOOUTPUTALSA_H
#define LIBTGVOIP_AUDIOOUTPUTALSA_H
#include "../../audio/AudioOutput.h"
#include "../../threading.h"
#include <alsa/asoundlib.h>
namespace tgvoip
{
namespace audio
{
class AudioOutputALSA : public AudioOutput
{
public:
AudioOutputALSA(std::string devID);
virtual ~AudioOutputALSA();
virtual void Start();
virtual void Stop();
virtual bool IsPlaying();
virtual void SetCurrentDevice(std::string devID);
static void EnumerateDevices(std::vector<AudioOutputDevice>& devs);
private:
void RunThread();
int (*m_snd_pcm_open)(snd_pcm_t** pcm, const char* name, snd_pcm_stream_t stream, int mode);
int (*m_snd_pcm_set_params)(snd_pcm_t* pcm, snd_pcm_format_t format, snd_pcm_access_t access, unsigned int channels, unsigned int rate, int soft_resample, unsigned int latency);
int (*m_snd_pcm_close)(snd_pcm_t* pcm);
snd_pcm_sframes_t (*m_snd_pcm_writei)(snd_pcm_t* pcm, const void* buffer, snd_pcm_uframes_t size);
int (*m_snd_pcm_recover)(snd_pcm_t* pcm, int err, int silent);
const char* (*m_snd_strerror)(int errnum);
void* m_lib;
snd_pcm_t* m_handle;
Thread* m_thread;
bool m_isPlaying;
};
} // namespace audio
} // namespace tgvoip
#endif // LIBTGVOIP_AUDIOOUTPUTALSA_H