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189 lines
5.5 KiB
189 lines
5.5 KiB
/***************************************************** vim:set ts=4 sw=4 sts=4:
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ALSA player.
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-------------------
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Copyright:
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(C) 2005 by Gary Cramblitt <garycramblitt@comcast.net>
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-------------------
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Original author: Gary Cramblitt <garycramblitt@comcast.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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******************************************************************************/
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#ifndef ALSAPLAYER_H
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#define ALSAPLAYER_H
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// System includes.
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#include <alsa/asoundlib.h>
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#include <sys/poll.h>
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// TQt includes.
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#include <tqstring.h>
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#include <tqobject.h>
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#include <tqthread.h>
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#include <tqfile.h>
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#include <tqmutex.h>
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// KDE includes.
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#include <config.h>
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#include <kdemacros.h>
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#include "kdeexportfix.h"
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#include <kurl.h>
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// AlsaPlayer includes.
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#include "formats.h"
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#include "player.h"
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#ifndef LLONG_MAX
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#define LLONG_MAX 9223372036854775807LL
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#endif
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#define DEFAULT_FORMAT SND_PCM_FORMAT_U8
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#define DEFAULT_SPEED 8000
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#define FORMAT_DEFAULT -1
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#define FORMAT_RAW 0
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#define FORMAT_VOC 1
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#define FORMAT_WAVE 2
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#define FORMAT_AU 3
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static snd_pcm_sframes_t (*readi_func)(snd_pcm_t *handle, void *buffer, snd_pcm_uframes_t size);
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static snd_pcm_sframes_t (*writei_func)(snd_pcm_t *handle, const void *buffer, snd_pcm_uframes_t size);
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static snd_pcm_sframes_t (*readn_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size);
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static snd_pcm_sframes_t (*writen_func)(snd_pcm_t *handle, void **bufs, snd_pcm_uframes_t size);
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class KDE_EXPORT AlsaPlayer : public Player, TQThread
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{
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Q_OBJECT
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TQ_OBJECT
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public:
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AlsaPlayer(TQObject* tqparent = 0, const char* name = 0, const TQStringList& args=TQStringList());
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~AlsaPlayer();
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virtual void startPlay(const TQString& file);
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virtual void pause();
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virtual void stop();
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virtual void setVolume(float volume = 1.0);
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virtual float volume() const;
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virtual bool playing() const;
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virtual bool paused() const;
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virtual int totalTime() const;
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virtual int currentTime() const;
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virtual int position() const; // in this case not really the percent
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virtual void seek(int seekTime);
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virtual void seekPosition(int position);
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virtual TQStringList getPluginList( const TQCString& classname );
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virtual void setSinkName(const TQString &sinkName);
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virtual void setDebugLevel(uint level) { m_debugLevel = level; }
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virtual void setPeriodSize(uint periodSize) { m_defPeriodSize = periodSize; }
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virtual void setPeriods(uint periods) { m_defPeriods = periods; }
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protected:
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virtual void run();
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private slots:
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private:
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void init();
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void cleanup();
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void stopAndExit();
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int wait_for_poll(int draining);
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TQString timestamp() const;
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ssize_t safe_read(int fd, void *buf, size_t count);
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int test_vocfile(void *buffer);
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size_t test_wavefile_read(int fd, char *buffer, size_t *size, size_t reqsize, int line);
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ssize_t test_wavefile(int fd, char *_buffer, size_t size);
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int test_au(int fd, char *buffer);
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void set_params(void);
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void xrun();
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void suspend(void);
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void compute_max_peak(char *data, size_t count);
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ssize_t pcm_write(char *data, size_t count);
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ssize_t voc_pcm_write(u_char *data, size_t count);
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void voc_write_silence(unsigned x);
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void voc_pcm_flush(void);
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void voc_play(int fd, int ofs, const char *name);
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void init_raw_data(void);
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off64_t calc_count(void);
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void header(int rtype, const char *name);
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void playback_go(int fd, size_t loaded, off64_t count, int rtype, const char *name);
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void playback(int fd);
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KURL m_currentURL;
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float m_currentVolume;
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TQString m_pcmName;
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char* pcm_name;
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mutable TQMutex m_mutex;
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TQFile audiofile;
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TQString name;
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bool canPause;
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snd_pcm_t *handle;
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struct {
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snd_pcm_format_t format;
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unsigned int channels;
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unsigned int rate;
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} hwdata, rhwdata;
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int timelimit;
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int file_type;
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unsigned int sleep_min;
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int open_mode;
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snd_pcm_stream_t stream;
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int mmap_flag;
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int interleaved;
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TQByteArray audioBuffer;
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char *audiobuf;
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snd_pcm_uframes_t chunk_size;
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snd_pcm_uframes_t period_frames;
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unsigned period_time;
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unsigned buffer_time;
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snd_pcm_uframes_t buffer_size;
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int avail_min;
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int start_delay;
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int stop_delay;
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int buffer_pos;
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size_t bits_per_sample;
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size_t bits_per_frame;
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size_t chunk_bytes;
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snd_output_t *log;
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int fd;
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off64_t pbrec_count;
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off64_t fdcount;
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int vocmajor;
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int vocminor;
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int alsa_stop_pipe[2]; /* Pipe for communication about stop requests*/
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int alsa_fd_count; /* Counter of descriptors to poll */
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TQByteArray alsa_poll_fds_barray;
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struct pollfd *alsa_poll_fds; /* Descriptors to poll */
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unsigned int m_defPeriodSize;
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unsigned int m_defPeriods;
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unsigned int m_debugLevel;
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bool m_simulatedPause;
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};
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#endif // ALSAPLAYER_H
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// vim: sw=4 ts=8 et
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