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/*
ALSA player.
-------------------
Copyright:
(C) 2005 by Gary Cramblitt <garycramblitt@comcast.net>
-------------------
Original author: Gary Cramblitt <garycramblitt@comcast.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#ifndef ALSAPLAYER_H
#define ALSAPLAYER_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
// System includes.
#include <alsa/asoundlib.h>
#include <sys/poll.h>
// TQt includes.
#include <tqstring.h>
#include <tqobject.h>
#include <tqthread.h>
#include <tqfile.h>
#include <tqmutex.h>
// KDE includes.
#include <kdemacros.h>
#include "kdeexportfix.h"
#include <kurl.h>
// AlsaPlayer includes.
#include "formats.h"
#include "player.h"
#ifndef LLONG_MAX
#define LLONG_MAX 9223372036854775807LL
#endif
#define DEFAULT_FORMAT SND_PCM_FORMAT_U8
#define DEFAULT_SPEED 8000
#define FORMAT_DEFAULT -1
#define FORMAT_RAW 0
#define FORMAT_VOC 1
#define FORMAT_WAVE 2
#define FORMAT_AU 3
static snd_pcm_sframes_t (*readi_func)(snd_pcm_t *handle, void *buffer, snd_pcm_uframes_t size);
static snd_pcm_sframes_t (*writei_func)(snd_pcm_t *handle, const void *buffer, snd_pcm_uframes_t size);
static snd_pcm_sframes_t (*readn_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size);
static snd_pcm_sframes_t (*writen_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size);
class KDE_EXPORT AlsaPlayer : public Player, TQThread
{
TQ_OBJECT
public:
AlsaPlayer(TQObject* parent = 0, const char* name = 0, const TQStringList& args=TQStringList());
~AlsaPlayer();
virtual void startPlay(const TQString& file);
virtual void pause();
virtual void stop();
virtual void setVolume(float volume = 1.0);
virtual float volume() const;
virtual bool playing() const;
virtual bool paused() const;
virtual int totalTime() const;
virtual int currentTime() const;
virtual int position() const; // in this case not really the percent
virtual void seek(int seekTime);
virtual void seekPosition(int position);
virtual TQStringList getPluginList( const TQCString& classname );
virtual void setSinkName(const TQString &sinkName);
virtual void setDebugLevel(uint level) { m_debugLevel = level; }
virtual void setPeriodSize(uint periodSize) { m_defPeriodSize = periodSize; }
virtual void setPeriods(uint periods) { m_defPeriods = periods; }
protected:
virtual void run();
private slots:
private:
void init();
void cleanup();
void stopAndExit();
int wait_for_poll(int draining);
TQString timestamp() const;
ssize_t safe_read(int fd, void *buf, size_t count);
int test_vocfile(void *buffer);
size_t test_wavefile_read(int fd, char *buffer, size_t *size, size_t reqsize, int line);
ssize_t test_wavefile(int fd, char *_buffer, size_t size);
int test_au(int fd, char *buffer);
void set_params(void);
void xrun();
void suspend(void);
void compute_max_peak(char *data, size_t count);
ssize_t pcm_write(char *data, size_t count);
ssize_t voc_pcm_write(u_char *data, size_t count);
void voc_write_silence(unsigned x);
void voc_pcm_flush(void);
void voc_play(int fd, int ofs, const char *name);
void init_raw_data(void);
off_t calc_count(void);
void header(int rtype, const char *name);
void playback_go(int fd, size_t loaded, off_t count, int rtype, const char *name);
void playback(int fd);
KURL m_currentURL;
float m_currentVolume;
TQString m_pcmName;
char* pcm_name;
mutable TQMutex m_mutex;
TQFile audiofile;
TQString name;
bool canPause;
snd_pcm_t *handle;
struct {
snd_pcm_format_t format;
unsigned int channels;
unsigned int rate;
} hwdata, rhwdata;
int timelimit;
int file_type;
unsigned int sleep_min;
int open_mode;
snd_pcm_stream_t stream;
int mmap_flag;
int interleaved;
TQByteArray audioBuffer;
char *audiobuf;
snd_pcm_uframes_t chunk_size;
snd_pcm_uframes_t period_frames;
unsigned period_time;
unsigned buffer_time;
snd_pcm_uframes_t buffer_size;
int avail_min;
int start_delay;
int stop_delay;
int buffer_pos;
size_t bits_per_sample;
size_t bits_per_frame;
size_t chunk_bytes;
snd_output_t *log;
int fd;
off_t pbrec_count;
off_t fdcount;
int vocmajor;
int vocminor;
int alsa_stop_pipe[2]; /* Pipe for communication about stop requests*/
int alsa_fd_count; /* Counter of descriptors to poll */
TQByteArray alsa_poll_fds_barray;
struct pollfd *alsa_poll_fds; /* Descriptors to poll */
unsigned int m_defPeriodSize;
unsigned int m_defPeriods;
unsigned int m_debugLevel;
bool m_simulatedPause;
};
#endif // ALSAPLAYER_H
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