Update of /cvsroot/mplayer/main/libao2 In directory usw-pr-cvs1:/tmp/cvs-serv23291 Added Files: ao_sun.c Log Message: SUN-Solaris audio out --- NEW FILE --- #include <stdio.h> #include <stdlib.h> #include <sys/ioctl.h> #include <unistd.h> #include <sys/time.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <sys/audioio.h> #ifdef __svr4__ #include <stropts.h> #endif #include "../config.h" #include "audio_out.h" #include "audio_out_internal.h" static ao_info_t info = { "Sun audio output", "sun", "jk@tools.de", "" }; LIBAO_EXTERN(sun) #ifndef AUDIO_PRECISION_8 #define AUDIO_PRECISION_8 8 #define AUDIO_PRECISION_16 16 #endif // there are some globals: // ao_samplerate // ao_channels // ao_format // ao_bps // ao_outburst // ao_buffersize static char *dsp="/dev/audio"; static int queued_bursts = 0; static int audio_fd=-1; // to set/get/query special features/parameters static int control(int cmd,int arg){ switch(cmd){ case AOCONTROL_SET_DEVICE: dsp=(char*)arg; return CONTROL_OK; case AOCONTROL_QUERY_FORMAT: return CONTROL_TRUE; } return CONTROL_UNKNOWN; } // open & setup audio device // return: 1=success 0=fail static int init(int rate,int channels,int format,int flags){ audio_info_t info; int byte_per_sec; printf("ao2: %d Hz %d chans 0x%X\n",rate,channels,format); audio_fd=open(dsp, O_WRONLY); if(audio_fd<0){ printf("Can't open audio device %s -> nosound\n",dsp); return 0; } ioctl(audio_fd, AUDIO_DRAIN, 0); AUDIO_INITINFO(&info); info.play.encoding = ao_format = format; info.play.precision = (format==AUDIO_ENCODING_LINEAR? AUDIO_PRECISION_16:AUDIO_PRECISION_8); info.play.channels = ao_channels = channels; --ao_channels; info.play.sample_rate = ao_samplerate = rate; info.play.samples = 0; info.play.eof = 0; if(ioctl (audio_fd, AUDIO_SETINFO, &info)<0) printf("audio_setup: your card doesn't support %d Hz samplerate\n",rate); byte_per_sec = (channels * (format==AUDIO_ENCODING_LINEAR ? 16 : 8) * rate); ao_outburst=byte_per_sec > 100000 ? 16384 : 8192; queued_bursts = 0; if(ao_buffersize==-1){ // Measuring buffer size: void* data; ao_buffersize=0; #ifdef HAVE_AUDIO_SELECT data=malloc(ao_outburst); memset(data,0,ao_outburst); while(ao_buffersize<0x40000){ fd_set rfds; struct timeval tv; FD_ZERO(&rfds); FD_SET(audio_fd,&rfds); tv.tv_sec=0; tv.tv_usec = 0; if(!select(audio_fd+1, NULL, &rfds, NULL, &tv)) break; write(audio_fd,data,ao_outburst); ao_buffersize+=ao_outburst; } free(data); if(ao_buffersize==0){ printf("\n *** Your audio driver DOES NOT support select() ***\n"); printf("Recompile mplayer with #undef HAVE_AUDIO_SELECT in config.h !\n\n"); return 0; } #ifdef __svr4__ ioctl(audio_fd, I_FLUSH, FLUSHW); #endif ioctl(audio_fd, AUDIO_DRAIN, 0); #endif } return 1; } // close audio device static void uninit(){ close(audio_fd); } // stop playing and empty buffers (for seeking/pause) static void reset(){ audio_info_t info; #ifdef __svr4__ ioctl(audio_fd, I_FLUSH, FLUSHW); #endif uninit(); audio_fd=open(dsp, O_WRONLY); if(audio_fd<0){ printf("\nFatal error: *** CANNOT RE-OPEN / RESET AUDIO DEVICE ***\n"); return; } ioctl(audio_fd, AUDIO_DRAIN, 0); AUDIO_INITINFO(&info); info.play.encoding = ao_format; info.play.precision = (ao_format==AUDIO_ENCODING_LINEAR? AUDIO_PRECISION_16:AUDIO_PRECISION_8); info.play.channels = ao_channels+1; info.play.sample_rate = ao_samplerate; info.play.samples = 0; info.play.eof = 0; ioctl (audio_fd, AUDIO_SETINFO, &info); queued_bursts = 0; } // stop playing, keep buffers (for pause) static void audio_pause() { struct audio_info info; AUDIO_INITINFO(&info); info.play.pause = 1; ioctl(audio_fd, AUDIO_SETINFO, &info); } // resume playing, after audio_pause() static void audio_resume() { struct audio_info info; AUDIO_INITINFO(&info); info.play.pause = 0; ioctl(audio_fd, AUDIO_SETINFO, &info); } // return: how many bytes can be played without blocking static int get_space(){ int playsize=ao_outburst; // check buffer #ifdef HAVE_AUDIO_SELECT { fd_set rfds; struct timeval tv; FD_ZERO(&rfds); FD_SET(audio_fd, &rfds); tv.tv_sec = 0; tv.tv_usec = 0; if(!select(audio_fd+1, NULL, &rfds, NULL, &tv)) return 0; // not block! } #endif { audio_info_t info; ioctl(audio_fd, AUDIO_GETINFO, &info); if(queued_bursts - info.play.eof > 2) return 0; } return ao_outburst; } // plays 'len' bytes of 'data' // it should round it down to outburst*n // return: number of bytes played static int play(void* data,int len,int flags){ len/=ao_outburst; len=write(audio_fd,data,len*ao_outburst); if(len>0) { queued_bursts ++; write(audio_fd,data,0); } return len; } static int audio_delay_method=2; // return: how many unplayed bytes are in the buffer static int get_delay(){ int q; audio_info_t info; ioctl(audio_fd, AUDIO_GETINFO, &info); return (queued_bursts - info.play.eof) * ao_outburst; } _______________________________________________ Mplayer-cvslog mailing list Mplayer-cvslog@lists.sourceforge.net http://lists.sourceforge.net/lists/listinfo/mplayer-cvslog