Esempio n. 1
0
static void term_handle_key(mpg123_handle *fr, out123_handle *ao, char val)
{
	debug1("term_handle_key: %c", val);
	switch(tolower(val))
	{
	case MPG123_BACK_KEY:
		out123_pause(ao);
		out123_drop(ao);
		if(paused) pause_cycle=(int)(LOOP_CYCLES/mpg123_tpf(fr));

		if(mpg123_seek_frame(fr, 0, SEEK_SET) < 0)
		error1("Seek to begin failed: %s", mpg123_strerror(fr));

		framenum=0;
	break;
	case MPG123_NEXT_KEY:
		out123_pause(ao);
		out123_drop(ao);
		next_track();
	break;
	case MPG123_NEXT_DIR_KEY:
		out123_pause(ao);
		out123_drop(ao);
		next_dir();
	break;
	case MPG123_QUIT_KEY:
		debug("QUIT");
		if(stopped)
		{
			stopped = 0;
			out123_pause(ao); /* no chance for annoying underrun warnings */
			out123_drop(ao);
		}
		set_intflag();
		offset = 0;
	break;
	case MPG123_PAUSE_KEY:
		paused=1-paused;
		out123_pause(ao); /* underrun awareness */
		out123_drop(ao);
		if(paused)
		{
			/* Not really sure if that is what is wanted
				 This jumps in audio output, but has direct reaction to pausing loop. */
			out123_param_float(ao, OUT123_PRELOAD, 0.);
			pause_recycle(fr);
		}
		else
			out123_param_float(ao, OUT123_PRELOAD, param.preload);
		if(stopped)
			stopped=0;
		if(param.verbose)
			print_stat(fr, 0, ao);
		else
			fprintf(stderr, "%s", (paused) ? MPG123_PAUSED_STRING : MPG123_EMPTY_STRING);
	break;
	case MPG123_STOP_KEY:
	case ' ':
		/* TODO: Verify/ensure that there is no "chirp from the past" when
		   seeking while stopped. */
		stopped=1-stopped;
		if(paused) {
			paused=0;
			offset -= pause_cycle;
		}
		if(stopped)
			out123_pause(ao);
		else
		{
			if(offset) /* If position changed, old is outdated. */
				out123_drop(ao);
			/* No out123_continue(), that's triggered by out123_play(). */
		}
		if(param.verbose)
			print_stat(fr, 0, ao);
		else
			fprintf(stderr, "%s", (stopped) ? MPG123_STOPPED_STRING : MPG123_EMPTY_STRING);
	break;
	case MPG123_FINE_REWIND_KEY:
		seekmode(fr, ao);
		offset--;
	break;
	case MPG123_FINE_FORWARD_KEY:
		seekmode(fr, ao);
		offset++;
	break;
	case MPG123_REWIND_KEY:
		seekmode(fr, ao);
		  offset-=10;
	break;
	case MPG123_FORWARD_KEY:
		seekmode(fr, ao);
		offset+=10;
	break;
	case MPG123_FAST_REWIND_KEY:
		seekmode(fr, ao);
		offset-=50;
	break;
	case MPG123_FAST_FORWARD_KEY:
		seekmode(fr, ao);
		offset+=50;
	break;
	case MPG123_VOL_UP_KEY:
		mpg123_volume_change(fr, 0.02);
	break;
	case MPG123_VOL_DOWN_KEY:
		mpg123_volume_change(fr, -0.02);
	break;
	case MPG123_PITCH_UP_KEY:
	case MPG123_PITCH_BUP_KEY:
	case MPG123_PITCH_DOWN_KEY:
	case MPG123_PITCH_BDOWN_KEY:
	case MPG123_PITCH_ZERO_KEY:
	{
		double new_pitch = param.pitch;
		switch(val) /* Not tolower here! */
		{
			case MPG123_PITCH_UP_KEY:    new_pitch += MPG123_PITCH_VAL;  break;
			case MPG123_PITCH_BUP_KEY:   new_pitch += MPG123_PITCH_BVAL; break;
			case MPG123_PITCH_DOWN_KEY:  new_pitch -= MPG123_PITCH_VAL;  break;
			case MPG123_PITCH_BDOWN_KEY: new_pitch -= MPG123_PITCH_BVAL; break;
			case MPG123_PITCH_ZERO_KEY:  new_pitch = 0.0; break;
		}
		set_pitch(fr, ao, new_pitch);
		fprintf(stderr, "New pitch: %f\n", param.pitch);
	}
	break;
	case MPG123_VERBOSE_KEY:
		param.verbose++;
		if(param.verbose > VERBOSE_MAX)
		{
			param.verbose = 0;
			clear_stat();
		}
		mpg123_param(fr, MPG123_VERBOSE, param.verbose, 0);
	break;
	case MPG123_RVA_KEY:
		if(++param.rva > MPG123_RVA_MAX) param.rva = 0;
		if(param.verbose)
			fprintf(stderr, "\n");
		mpg123_param(fr, MPG123_RVA, param.rva, 0);
		mpg123_volume_change(fr, 0.);
	break;
	case MPG123_PREV_KEY:
		out123_pause(ao);
		out123_drop(ao);

		prev_track();
	break;
	case MPG123_PREV_DIR_KEY:
		out123_pause(ao);
		out123_drop(ao);
		prev_dir();
	break;
	case MPG123_PLAYLIST_KEY:
		fprintf(stderr, "%s\nPlaylist (\">\" indicates current track):\n", param.verbose ? "\n" : "");
		print_playlist(stderr, 1);
		fprintf(stderr, "\n");
	break;
	case MPG123_TAG_KEY:
		fprintf(stderr, "%s\n", param.verbose ? "\n" : "");
		print_id3_tag(fr, param.long_id3, stderr);
		fprintf(stderr, "\n");
	break;
	case MPG123_MPEG_KEY:
		if(param.verbose) print_stat(fr,0,ao); /* Make sure that we are talking about the correct frame. */
		fprintf(stderr, "\n");
		if(param.verbose > 1)
			print_header(fr);
		else
			print_header_compact(fr);
		fprintf(stderr, "\n");
	break;
	case MPG123_HELP_KEY:
	{ /* This is more than the one-liner before, but it's less spaghetti. */
		int i;
		fprintf(stderr,"\n\n -= terminal control keys =-\n");
		for(i=0; i<(sizeof(term_help)/sizeof(struct keydef)); ++i)
		{
			if(term_help[i].key2) fprintf(stderr, "[%c] or [%c]", term_help[i].key, term_help[i].key2);
			else fprintf(stderr, "[%c]", term_help[i].key);

			fprintf(stderr, "\t%s\n", term_help[i].desc);
		}
		fprintf(stderr, "\nAlso, the number row (starting at 1, ending at 0) gives you jump points into the current track at 10%% intervals.\n");
		fprintf(stderr, "\n");
	}
	break;
	case MPG123_FRAME_INDEX_KEY:
	case MPG123_VARIOUS_INFO_KEY:
		if(param.verbose) fprintf(stderr, "\n");
		switch(val) /* because of tolower() ... */
		{
			case MPG123_FRAME_INDEX_KEY:
			print_index(fr);
			{
				long accurate;
				if(mpg123_getstate(fr, MPG123_ACCURATE, &accurate, NULL) == MPG123_OK)
				fprintf(stderr, "Accurate position: %s\n", (accurate == 0 ? "no" : "yes"));
				else
				error1("Unable to get state: %s", mpg123_strerror(fr));
			}
			break;
			case MPG123_VARIOUS_INFO_KEY:
			{
				const char* curdec = mpg123_current_decoder(fr);
				if(curdec == NULL) fprintf(stderr, "Cannot get decoder info!\n");
				else fprintf(stderr, "Active decoder: %s\n", curdec);
			}
		}
	break;
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
	{
		off_t len;
		int num;
		num = val == '0' ? 10 : val - '0';
		--num; /* from 0 to 9 */

		/* Do not swith to seekmode() here, as we are jumping once to a
		   specific position. Dropping buffer contents is enough and there
		   is no race filling the buffer or waiting for more incremental
		   seek orders. */
		len = mpg123_length(fr);
		out123_pause(ao);
		out123_drop(ao);
		if(len > 0)
			mpg123_seek(fr, (off_t)( (num/10.)*len ), SEEK_SET);
	}
	break;
	case MPG123_BOOKMARK_KEY:
		continue_msg("BOOKMARK");
	break;
	default:
		;
	}
}
Esempio n. 2
0
static void term_handle_input(mpg123_handle *fr, audio_output_t *ao, int do_delay)
{
  int n = 1;
  /* long offset = 0; */
  
  while(n > 0) {
    fd_set r;
    struct timeval t;
    char val;

    t.tv_sec=0;
    t.tv_usec=(do_delay) ? 10*1000 : 0;
    
    FD_ZERO(&r);
    FD_SET(0,&r);
    n = select(1,&r,NULL,NULL,&t);
    if(n > 0 && FD_ISSET(0,&r)) {
      if(read(0,&val,1) <= 0)
        break;

      switch(tolower(val)) {
	case MPG123_BACK_KEY:
        if(!param.usebuffer) ao->flush(ao);
				else buffer_resync();
		if(paused) pause_cycle=(int)(LOOP_CYCLES/mpg123_tpf(fr));

		if(mpg123_seek_frame(fr, 0, SEEK_SET) < 0)
		error1("Seek to begin failed: %s", mpg123_strerror(fr));

		framenum=0;
		break;
	case MPG123_NEXT_KEY:
		if(!param.usebuffer) ao->flush(ao);
		else buffer_resync(); /* was: plain_buffer_resync */
	  next_track();
	  break;
	case MPG123_QUIT_KEY:
		debug("QUIT");
		if(stopped)
		{
			stopped = 0;
			if(param.usebuffer)
			{
				buffer_resync();
				buffer_start();
			}
		}
		set_intflag();
		offset = 0;
	  break;
	case MPG123_PAUSE_KEY:
  	  paused=1-paused;
	  if(paused) {
			/* Not really sure if that is what is wanted
			   This jumps in audio output, but has direct reaction to pausing loop. */
			if(param.usebuffer) buffer_resync();

			pause_recycle(fr);
	  }
		if(stopped)
		{
			stopped=0;
			if(param.usebuffer) buffer_start();
		}
	  fprintf(stderr, "%s", (paused) ? MPG123_PAUSED_STRING : MPG123_EMPTY_STRING);
	  break;
	case MPG123_STOP_KEY:
	case ' ':
		/* when seeking while stopped and then resuming, I want to prevent the chirp from the past */
		if(!param.usebuffer) ao->flush(ao);
	  stopped=1-stopped;
	  if(paused) {
		  paused=0;
		  offset -= pause_cycle;
	  }
		if(param.usebuffer)
		{
			if(stopped) buffer_stop();
			else
			{
				/* When we stopped buffer for seeking, we must resync. */
				if(offset) buffer_resync();

				buffer_start();
			}
		}
	  fprintf(stderr, "%s", (stopped) ? MPG123_STOPPED_STRING : MPG123_EMPTY_STRING);
	  break;
	case MPG123_FINE_REWIND_KEY:
	  if(param.usebuffer) seekmode();
	  offset--;
	  break;
	case MPG123_FINE_FORWARD_KEY:
	  seekmode();
	  offset++;
	  break;
	case MPG123_REWIND_KEY:
	  seekmode();
  	  offset-=10;
	  break;
	case MPG123_FORWARD_KEY:
	  seekmode();
	  offset+=10;
	  break;
	case MPG123_FAST_REWIND_KEY:
	  seekmode();
	  offset-=50;
	  break;
	case MPG123_FAST_FORWARD_KEY:
	  seekmode();
	  offset+=50;
	  break;
	case MPG123_VOL_UP_KEY:
		mpg123_volume_change(fr, 0.02);
	break;
	case MPG123_VOL_DOWN_KEY:
		mpg123_volume_change(fr, -0.02);
	break;
	case MPG123_PITCH_UP_KEY:
	case MPG123_PITCH_BUP_KEY:
	case MPG123_PITCH_DOWN_KEY:
	case MPG123_PITCH_BDOWN_KEY:
	case MPG123_PITCH_ZERO_KEY:
	{
		double new_pitch = param.pitch;
		switch(val) /* Not tolower here! */
		{
			case MPG123_PITCH_UP_KEY:    new_pitch += MPG123_PITCH_VAL;  break;
			case MPG123_PITCH_BUP_KEY:   new_pitch += MPG123_PITCH_BVAL; break;
			case MPG123_PITCH_DOWN_KEY:  new_pitch -= MPG123_PITCH_VAL;  break;
			case MPG123_PITCH_BDOWN_KEY: new_pitch -= MPG123_PITCH_BVAL; break;
			case MPG123_PITCH_ZERO_KEY:  new_pitch = 0.0; break;
		}
		set_pitch(fr, ao, new_pitch);
		fprintf(stderr, "New pitch: %f\n", param.pitch);
	}
	break;
	case MPG123_VERBOSE_KEY:
		param.verbose++;
		if(param.verbose > VERBOSE_MAX)
		{
			param.verbose = 0;
			clear_stat();
		}
		mpg123_param(fr, MPG123_VERBOSE, param.verbose, 0);
	break;
	case MPG123_RVA_KEY:
		if(++param.rva > MPG123_RVA_MAX) param.rva = 0;
		mpg123_param(fr, MPG123_RVA, param.rva, 0);
		mpg123_volume_change(fr, 0.);
	break;
	case MPG123_PREV_KEY:
		if(!param.usebuffer) ao->flush(ao);
		else buffer_resync(); /* was: plain_buffer_resync */

		prev_track();
	break;
	case MPG123_PLAYLIST_KEY:
		fprintf(stderr, "%s\nPlaylist (\">\" indicates current track):\n", param.verbose ? "\n" : "");
		print_playlist(stderr, 1);
		fprintf(stderr, "\n");
	break;
	case MPG123_TAG_KEY:
		fprintf(stderr, "%s\n", param.verbose ? "\n" : "");
		print_id3_tag(fr, param.long_id3, stderr);
		fprintf(stderr, "\n");
	break;
	case MPG123_MPEG_KEY:
		if(param.verbose) print_stat(fr,0,0); /* Make sure that we are talking about the correct frame. */
		fprintf(stderr, "\n");
		print_header(fr);
		fprintf(stderr, "\n");
	break;
	case MPG123_HELP_KEY:
	{ /* This is more than the one-liner before, but it's less spaghetti. */
		int i;
		fprintf(stderr,"\n\n -= terminal control keys =-\n");
		for(i=0; i<(sizeof(term_help)/sizeof(struct keydef)); ++i)
		{
			if(term_help[i].key2) fprintf(stderr, "[%c] or [%c]", term_help[i].key, term_help[i].key2);
			else fprintf(stderr, "[%c]", term_help[i].key);

			fprintf(stderr, "\t%s\n", term_help[i].desc);
		}
		fprintf(stderr, "\n");
	}
	break;
	case MPG123_FRAME_INDEX_KEY:
	case MPG123_VARIOUS_INFO_KEY:
		if(param.verbose) fprintf(stderr, "\n");
		switch(val) /* because of tolower() ... */
		{
			case MPG123_FRAME_INDEX_KEY:
			print_index(fr);
			{
				long accurate;
				if(mpg123_getstate(fr, MPG123_ACCURATE, &accurate, NULL) == MPG123_OK)
				fprintf(stderr, "Accurate position: %s\n", (accurate == 0 ? "no" : "yes"));
				else
				error1("Unable to get state: %s", mpg123_strerror(fr));
			}
			break;
			case MPG123_VARIOUS_INFO_KEY:
			{
				const char* curdec = mpg123_current_decoder(fr);
				if(curdec == NULL) fprintf(stderr, "Cannot get decoder info!\n");
				else fprintf(stderr, "Active decoder: %s\n", curdec);
			}
		}
	break;
	default:
	  ;
      }
    }
  }
}