C++ post函数代码示例

    /* open ogg/vorbis file */                 
static void oggread_open(t_oggread *x, t_symbol *filename)
{
	int i;

	x->x_stream = 0;
		/* first close previous file */
	if(x->x_fd > 0)
	{
		ov_clear(&x->x_ov);
		post("oggread~: previous file closed");
	}
		/* open file for reading */
#ifdef WIN32
	if((x->x_file = fopen(filename->s_name, "rb")) < 0)
#else
   if((x->x_file = fopen(filename->s_name, "r")) < 0)
#endif
    {
		post("oggread~: could not open file \"%s\"", filename->s_name);
		x->x_eos = 1;
		x->x_fd = -1;
    }
    else
    {
		x->x_stream = 0;
		x->x_eos = 0;
		x->x_fd = 1;
		x->x_outreadposition = 0;
		x->x_outwriteposition = 0;
		x->x_outunread = 0;
		post("oggread~: file \"%s\" opened", filename->s_name);
		outlet_float( x->x_out_position, 0);

			/* try to open as ogg vorbis file */
		if(ov_open(x->x_file, &x->x_ov, NULL, -1) < 0)
		{		/* an error occured (no ogg vorbis file ?) */
			post("oggread~: error: could not open \"%s\" as an OggVorbis file", filename->s_name);
			ov_clear(&x->x_ov);
			post("oggread~: file closed due to error");
      x->x_fd=-1;
      x->x_eos=1;
      return;
		}

			/* print details about each logical bitstream in the input */
		if(ov_seekable(&x->x_ov))
		{
			post("oggread~: input bitstream contained %ld logical bitstream section(s)", ov_streams(&x->x_ov));
			post("oggread~: total bitstream playing time: %ld seconds", (long)ov_time_total(&x->x_ov,-1));
			post("oggread~: encoded by: %s\n",ov_comment(&x->x_ov,-1)->vendor);
		}
		else
		{
			post("oggread~: file \"%s\" was not seekable\n"
			"oggread~: first logical bitstream information:", filename->s_name);
		}

		for(i = 0; i < ov_streams(&x->x_ov); i++)
		{
			x->x_vi = ov_info(&x->x_ov,i);
			post("\tlogical bitstream section %d information:",i+1);
			post("\t\t%ldHz %d channels bitrate %ldkbps serial number=%ld",
				x->x_vi->rate,x->x_vi->channels,ov_bitrate(&x->x_ov,i)/1000, ov_serialnumber(&x->x_ov,i));
			post("\t\theader length: %ld bytes",(long)
			(x->x_ov.dataoffsets[i] - x->x_ov.offsets[i]));
			post("\t\tcompressed length: %ld bytes",(long)(ov_raw_total(&x->x_ov,i)));
			post("\t\tplay time: %ld seconds\n",(long)ov_time_total(&x->x_ov,i));
		}

    } 
}

static void featureMean_print(t_featureMean *x)
{
    post("averaging %i vectors with %i features", x->numFrames, x->featureLength);
}

static void zeroCrossing_tilde_overlap(t_zeroCrossing_tilde *x, t_floatarg f)
{
	x->overlap = (int)f;

    post("overlap: %i", x->overlap);
}

/*! Get sample frames
	\param buf		pointer array to channel buffers
	\param frames	number of maximum frames to get
	\return			frames put into buffers
*/
int Stream::doGet(int ch,float *const *buf,int frames,float sr)
{
	ASSERT(ch > 0 && frames >= 0 && sr > 0);

	if(isOk() && !isInitializing()) {
		// signal thread worker
		pthread_cond_signal(&cond);

		// check/(re)allocate buffers

		int strch = getChannels();
		if(bufs && bufch < strch) { 
			delete[] decoded;
			for(int i = 0; i < bufch; ++i) src_delete(src_state[i]);
			delete[] src_state;
			delete[] bufs;	bufs = NULL; 
		}

		if(!bufs) {
			if(bufch < strch) bufch = strch;
			bufs = new float *[bufch];
			decoded = new Fifo<float>[bufch];

			src_state = new SRC_STATE *[bufch];
			for(int i = 0; i < bufch; ++i) {
				int error;
				src_state[i] = src_new(SRC_ZERO_ORDER_HOLD,1,&error);
				if(!src_state[i]) post("src init error %i",error);
			}
		}

		// get frames

		float ratio = sr/getSamplerate();
		int frneed = (int)(frames/ratio)+DECMORE;  // number of frames to read from decoder fifo

		if(decoded[0].Size() < frneed) {
			// fifos are too small -> resize them (while keeping their contents)
			for(int i = 0; i < bufch; ++i) decoded[i].Resize(frneed,true);
		}

		// how many frames do we need to get from decoder?
		int frread = frneed-decoded[0].Have();

		int ret = state == ST_WAIT?0:DataRead(frread);

		if(ret < 0) {
			if(debug) post("read error");
			// clear output
			for(int c = 0; c < ch; ++c)
				memset(buf[c],0,frames*sizeof *buf[c]);
			return 0;
		}
		else {
			// how many channels do we really need for output?
			// this should be set elsewhere, because we can't change anyway!!! 
			// (SRC_STATE for dangling channels would be incorrect)
			int cmin = strch;
			if(ch < cmin) cmin = ch;

			// write data to fifo
			for(int i = 0; i < cmin; ++i) {
				int wr = decoded[i].Write(ret,bufs[i]);
				if(wr < ret) post("fifo overflow");
			}

//			state = ST_PROCESS;

			if(ratio == 1) {
				// no resampling necessary

				// hopefully all channel fifos advance uniformly.....
				for(int i = 0; i < cmin; ++i) {

					for(int got = 0; got < frames; ) {
						int cnt = frames-got;

						if(decoded[i].Have()) {
							got += decoded[i].Read(cnt,buf[i]+got);
						}
						else {
							state = ST_WAIT;
							if(debug) post("fifo underrun");

							// Buffer underrun!! -> zero output buffer
							memset(buf[i]+got,0,cnt*sizeof(*buf[i]));
							got += cnt;
						}
					}
				}
			}
			else 
			{
				SRC_DATA src_data;
				src_data.src_ratio = ratio;
//.........这里部分代码省略.........

 ViewMover (const GlobalRef& view_, int x_, int y_, int w_, int h_)
     : view (view_), x (x_), y (y_), w (w_), h (h_)
 {
     post();
 }

 response const post (request const & request_, string_type const & body_) {
     return post(request_, "x-application/octet-stream", body_);
 }

HttpResponse HttpClient::post(const HttpUrl& url, const FormData& form_data){
    return post(url, form_data.get_string(), form_data.get_content_type());
}

static void routeOSC_verbosity(t_routeOSC *x, t_floatarg v)
{
    x->x_verbosity = (v == 0)? 0: 1;
    if (x->x_verbosity) post("routeOSC_verbosity(%p) is %d", x, x->x_verbosity);
}

static void routeOSC_doanything(t_routeOSC *x, t_symbol *s, int argc, t_atom *argv)
{
    char    *pattern, *nextSlash;
    int     i = 0, pattern_depth = 0, matchedAnything = 0;
    int     noPath = 0; // nonzero if we are dealing with a simple list (as from a previous [routeOSC])

    pattern = s->s_name;
    if (x->x_verbosity) post("routeOSC_doanything(%p): pattern is %s", x, pattern);
    if (pattern[0] != '/')
    {
        /* output unmatched data on rightmost outlet */
        if (x->x_verbosity) post("routeOSC_doanything no OSC path(%p) , %d args", x, argc);
        outlet_anything(x->x_outlets[x->x_num], s, argc, argv);
        return;
    }
    pattern_depth = routeOSC_count_slashes(pattern);
    if (x->x_verbosity) post("routeOSC_doanything(%p): pattern_depth is %i", x, pattern_depth);
    nextSlash = NextSlashOrNull(pattern+1);
    if (*nextSlash == '\0')
    { /* pattern_depth == 1 */
        /* last level of the address, so we'll output the argument list */
    
        for (i = 0; i < x->x_num; ++i)
        {
            if
            (
                (x->x_prefix_depth[i] <= pattern_depth)
                && (MyPatternMatch(pattern+1, x->x_prefixes[i]+1))
            )
            {
                ++matchedAnything;
                if (noPath)
                { // just a list starting with a symbol
                  // The special symbol is s
                  if (x->x_verbosity) post("routeOSC_doanything _1_(%p): (%d) noPath: s is \"%s\"", x, i, s->s_name);
                  outlet_anything(x->x_outlets[i], s, argc, argv);
                }
                else // normal OSC path
                {
                    // I hate stupid Max lists with a special first element
                    if (argc == 0)
                    {
                        if (x->x_verbosity) post("routeOSC_doanything _2_(%p): (%d) no args", x, i);
                        outlet_bang(x->x_outlets[i]);
                    }
                    else if (argv[0].a_type == A_SYMBOL)
                    {
                        // Promote the symbol that was argv[0] to the special symbol
                        if (x->x_verbosity) post("routeOSC_doanything _3_(%p): (%d) symbol: is \"%s\"", x, i, argv[0].a_w.w_symbol->s_name);
                        outlet_anything(x->x_outlets[i], argv[0].a_w.w_symbol, argc-1, argv+1);
                    }
                    else if (argc > 1)
                    {
                        // Multiple arguments starting with a number, so naturally we have
                        // to use a special function to output this "list", since it's what
                        // Max originally meant by "list".
                        if (x->x_verbosity) post("routeOSC_doanything _4_(%p): (%d) list:", x, i);
                        outlet_list(x->x_outlets[i], 0L, argc, argv);
                    }
                    else
                    {
                        // There was only one argument, and it was a number, so we output it
                        // not as a list
                        if (argv[0].a_type == A_FLOAT)
                        {
                            if (x->x_verbosity) post("routeOSC_doanything _5_(%p): (%d) a single float", x, i);
                            outlet_float(x->x_outlets[i], argv[0].a_w.w_float);
                        }
                        else
                        {
                            pd_error(x, "* routeOSC: unrecognized atom type!");
                        }
                    }
                }
            }
        }
    }
    else
    {
        /* There's more address after this part, so our output list will begin with
           the next slash.  */
        t_symbol *restOfPattern = 0; /* avoid the gensym unless we have to output */
        char patternBegin[1000];

        /* Get the incoming pattern to match against all our prefixes */

        for (i = 0; i < x->x_num; ++i)
        {
            restOfPattern = 0;
            if (x->x_prefix_depth[i] <= pattern_depth)
            {
                StrCopyUntilNthSlash(patternBegin, pattern+1, x->x_prefix_depth[i]);
                if (x->x_verbosity)
                    post("routeOSC_doanything _6_(%p): (%d) patternBegin is %s", x, i, patternBegin);
                if (MyPatternMatch(patternBegin, x->x_prefixes[i]+1))
                {
                    if (x->x_verbosity)
                        post("routeOSC_doanything _7_(%p): (%d) matched %s depth %d", x, i, x->x_prefixes[i], x->x_prefix_depth[i]);
                    ++matchedAnything;
                    nextSlash = NthSlashOrNull(pattern+1, x->x_prefix_depth[i]);
//.........这里部分代码省略.........

static void *NLMSerr_in_tilde_new(t_symbol *s, t_int argc, t_atom *argv)
{
    t_NLMSerr_in_tilde *x = (t_NLMSerr_in_tilde *)pd_new(NLMSerr_in_tilde_class);
    t_int i, n_order=39;
    t_symbol    *w_name;
    t_float beta=0.01f;
    t_float gammax=0.00001f;
    
    if((argc >= 4) &&
        IS_A_FLOAT(argv,0) &&   //IS_A_FLOAT/SYMBOL from iemlib.h
        IS_A_FLOAT(argv,1) &&
        IS_A_FLOAT(argv,2) &&
        IS_A_SYMBOL(argv,3))
    {
        n_order = (t_int)atom_getintarg(0, argc, argv);
        beta    = (t_float)atom_getfloatarg(1, argc, argv);
        gammax  = (t_float)atom_getfloatarg(2, argc, argv);
        w_name  = (t_symbol *)atom_getsymbolarg(3, argc, argv);
        
        if(beta < 0.0f)
            beta = 0.0f;
        if(beta > 2.0f)
            beta = 2.0f;
        
        if(gammax < 0.0f)
            gammax = 0.0f;
        if(gammax > 1.0f)
            gammax = 1.0f;
        
        if(n_order < 2)
            n_order = 2;
        if(n_order > 1111111)
            n_order = 1111111;
        
        inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
        inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
        outlet_new(&x->x_obj, &s_signal);
        
        x->x_flt_sig_in1 = 0;
        x->x_n_order = n_order;
        x->x_update = 0;
        x->x_beta = beta;
        x->x_gamma = gammax;
        // 2 times in and one time err_in memory allocation (history)
        x->x_ref_filt_in_hist = (t_float *)getbytes(x->x_n_order*sizeof(t_float));
        x->x_ref_adapt_in_hist = (t_float *)getbytes(x->x_n_order*sizeof(t_float));
        
        // table-symbols will be linked to their memory in future (dsp_routine)
        x->x_w_array_sym_name = gensym(w_name->s_name);
        x->x_w_array_mem_beg = (t_float *)0;
        
        x->x_rw_index = 0;
        
        return(x);
    }
    else
    {
        post("NLMSerr_in~-ERROR: need 3 float- + 1 symbol-arguments:");
        post("  order_of_filter + learnrate_beta + security_value + array_name_taps");
        return(0);
    }
}

static void routeOSC_paths(t_routeOSC *x, t_symbol *s, int argc, t_atom *argv)
{ /* print  out the paths we are matching */
    int i;
    
    for (i = 0; i < x->x_num; ++i) post("path[%d]: %s (depth %d)", i, x->x_prefixes[i], x->x_prefix_depth[i]);
}

void kbuffer_info(t_kbuffer *x) {
	post("function length is %d samples",x->length);
	post("function sampling rate is %.2f",x->ksrate);
	post("function byte size is %d",x->memsize);
	post("function duration is %.2f seconds",x->duration);
}

unsigned int KeenClient::addEvents(const char *events)
{
	buildResource();
	setAuthorizationHeader(write_key);
	return post(resource, events);
}

static void ctw_cancel_request(void *args) {
	struct _ctw *common = args; 
	curl_multi_remove_handle(common->multi_handle, common->easy_handle);
	common->locked = 0;
	post("request cancelled.");
}

/// Append Holmes-elements for phones in (phonestr) to (eltq).
/// Returns ps->t.
unsigned phone_to_elm(phtoelm_state_t *ps, char *phonestr, dsqueue_t *eltq) {

#ifdef PHOLMES_DEBUG
  post("phone_to_elm(): called with phonestr='%s'", phonestr);
#endif

  ps->s = phonestr;
  while (ps->s && *ps->s) {
    pte_eltseq_str es = trie_lookup(&phtoelm, &(ps->s));
    if (es) {
     int n = *es++;
     while (n-- > 0) {
       int eid = *es++;             // -- index of sequence-element in Elements[]
       holmes_qelt_t he;            // -- encoded Holmes-triple for output-queue
       Elm_ptr ep = &Elements[eid]; // -- pointer to actual current element
       int dur;                     // -- placeholder for element duration

       //
       // This works because only vowels have ud != du,
       //  and we set stress just before a vowel
       //
       if (!(ep->feat & vwl)) ps->stress = 0;
       dur = StressDur(ep,ps->stress);
       he = hqeNew(eid,dur,ps->stress);

       // append the encoded element to the output queue
       dsqueue_append(eltq, (void *)he);

#ifdef PHOLMES_DEBUG
       post("phone_to_elm(): enqueued Holmes-triple %s,%d,%d", ep->name,dur,ps->stress);
#endif
     }
    }
    else {
     char ch = *(ps->s++);
     switch (ch) {
     case '\'':                // Primary stress
       ps->stress = 3;
       break;
     case ',':                 // Secondary stress
       ps->stress = 2;
       break;
     case '+':                 // Tertiary stress
       ps->stress = 1;
       break;
     case '-':                 // hyphen in input
       break;
     case '.':                 // literal dot indicates end-of-utterance
       dsqueue_append(eltq, (void *)hqeNew(0,0,0));
       break;
     default:
       {
	 fprintf(stderr,
		 "phone_to_elm(): ignoring unknown character '%c'\n",
		 ch);
	 break;
       }
     }
    }
  }
  return ps->t;
}