diff options
Diffstat (limited to 'audio/filter/af_ladspa.c')
| -rw-r--r-- | audio/filter/af_ladspa.c | 851 |
1 files changed, 0 insertions, 851 deletions
diff --git a/audio/filter/af_ladspa.c b/audio/filter/af_ladspa.c deleted file mode 100644 index edde6a68b1..0000000000 --- a/audio/filter/af_ladspa.c +++ /dev/null @@ -1,851 +0,0 @@ -/* - * LADSPA plugin loader - * - * Written by Ivo van Poorten <ivop@euronet.nl> - * Copyright (C) 2004, 2005 - * - * This file is part of mpv. - * - * mpv 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. - * - * mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>. - */ - -/* ------------------------------------------------------------------------- */ - -/* Global Includes */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <inttypes.h> -#include <math.h> -#include <limits.h> - -#include <dlfcn.h> -#include <ladspa.h> - -/* ------------------------------------------------------------------------- */ - -/* Local Includes */ - -#include "af.h" - -#define _(x) (x) - -/* ------------------------------------------------------------------------- */ - -/* Filter specific data */ - -typedef struct af_ladspa_s -{ - int status; /**< Status of the filter. - * Either AF_OK or AF_ERROR - * Because MPlayer re-inits audio filters that - * _clearly_ returned AF_ERROR anyway, I use this - * in play() to skip the processing and return - * the data unchanged. - */ - - int activated; /**< 0 or 1. Activate LADSPA filters only once, even - * if the buffers get resized, to avoid a stuttering - * filter. - */ - - char *file; - char *label; - char *controls; - - char *myname; /**< It's easy to have a concatenation of file and label */ - - void *libhandle; - const LADSPA_Descriptor *plugin_descriptor; - - int nports; - - int ninputs; - int *inputs; - - int noutputs; - int *outputs; - - int ninputcontrols; - int *inputcontrolsmap; /**< Map input port number [0-] to actual port */ - float *inputcontrols; - - int noutputcontrols; - int *outputcontrolsmap; - float *outputcontrols; - - int nch; /**< number of channels */ - int bufsize; - float **inbufs; - float **outbufs; - LADSPA_Handle *chhandles; - -} af_ladspa_t; - -/* ------------------------------------------------------------------------- */ - -static int af_open(struct af_instance *af); -static int af_ladspa_malloc_failed(char*); - -/* ------------------------------------------------------------------------- */ - -#define OPT_BASE_STRUCT af_ladspa_t -const struct af_info af_info_ladspa = { - .info = "LADSPA plugin loader", - .name = "ladspa", - .open = af_open, - .priv_size = sizeof(af_ladspa_t), - .options = (const struct m_option[]) { - OPT_STRING("file", file, 0), - OPT_STRING("label", label, 0), - OPT_STRING("controls", controls, 0), - {0} - }, -}; - -/* ------------------------------------------------------------------------- */ - -/* By lack of a better word (in my vocabulary) this is called 'parse'. - * Feel free to suggest an alternative. - */ - -/** \brief Check for inputs, outputs and controls of a given filter. - * - * This function counts and checks all input, output and control ports - * of the filter that was loaded. If it turns out to be a valid - * filter for MPlayer use, it prints out a list of all controls and - * the corresponding range of its value at message level MSGL_V. - * - * \param setup Current setup of the filter. Must have its - * plugin_descriptor set! - * - * \return Returns AF_OK if it has a valid input/output/controls - * configuration. Else, it returns AF_ERROR. - */ - -static int af_ladspa_parse_plugin(struct af_instance *af) { - af_ladspa_t *setup = af->priv; - int p, i; - const LADSPA_Descriptor *pdes = setup->plugin_descriptor; - LADSPA_PortDescriptor d; - LADSPA_PortRangeHint hint; - - if (!setup->libhandle) - return AF_ERROR; /* only call parse after a successful load */ - if (!setup->plugin_descriptor) - return AF_ERROR; /* same as above */ - - /* let's do it */ - - setup->nports = pdes->PortCount; - - /* allocate memory for all inputs/outputs/controls */ - - setup->inputs = calloc(setup->nports, sizeof(int)); - if (!setup->inputs) return af_ladspa_malloc_failed(setup->myname); - - setup->outputs = calloc(setup->nports, sizeof(int)); - if (!setup->outputs) return af_ladspa_malloc_failed(setup->myname); - - setup->inputcontrolsmap = calloc(setup->nports, sizeof(int)); - if (!setup->inputcontrolsmap) return af_ladspa_malloc_failed(setup->myname); - - setup->inputcontrols = calloc(setup->nports, sizeof(float)); - if (!setup->inputcontrols) return af_ladspa_malloc_failed(setup->myname); - - setup->outputcontrolsmap = calloc(setup->nports, sizeof(int)); - if (!setup->outputcontrolsmap) return af_ladspa_malloc_failed(setup->myname); - - setup->outputcontrols = calloc(setup->nports, sizeof(float)); - if (!setup->outputcontrols) return af_ladspa_malloc_failed(setup->myname); - - /* set counts to zero */ - - setup->ninputs = 0; - setup->noutputs = 0; - setup->ninputcontrols = 0; - setup->noutputcontrols = 0; - - /* check all ports, see what type it is and set variables according to - * what we have found - */ - - for (p=0; p<setup->nports; p++) { - d = pdes->PortDescriptors[p]; - - if (LADSPA_IS_PORT_AUDIO(d)) { - if (LADSPA_IS_PORT_INPUT(d)) { - setup->inputs[setup->ninputs] = p; - setup->ninputs++; - } else if (LADSPA_IS_PORT_OUTPUT(d)) { - setup->outputs[setup->noutputs] = p; - setup->noutputs++; - } - } - - if (LADSPA_IS_PORT_CONTROL(d)) { - if (LADSPA_IS_PORT_INPUT(d)) { - setup->inputcontrolsmap[setup->ninputcontrols] = p; - setup->ninputcontrols++; - /* set control to zero. set values after reading the rest - * of the suboptions and check LADSPA_?_HINT's later. - */ - setup->inputcontrols[p] = 0.0f; - } else if (LADSPA_IS_PORT_OUTPUT(d)) { - /* read and handle these too, otherwise filters that have them - * will sig11 - */ - setup->outputcontrolsmap[setup->noutputcontrols]=p; - setup->noutputcontrols++; - setup->outputcontrols[p] = 0.0f; - } - } - - } - - if (setup->ninputs == 0) { - MP_WARN(af, "%s: %s\n", setup->myname, - _("WARNING! This LADSPA plugin has no audio inputs.\n The incoming audio signal will be lost.")); - } else if (setup->ninputs == 1) { - MP_VERBOSE(af, "%s: this is a mono effect\n", setup->myname); - } else if (setup->ninputs == 2) { - MP_VERBOSE(af, "%s: this is a stereo effect\n", setup->myname); - } else { - MP_VERBOSE(af, "%s: this is a %i-channel effect, " - "support is experimental\n", setup->myname, setup->ninputs); - } - - if (setup->noutputs == 0) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("This LADSPA plugin has no audio outputs.")); - return AF_ERROR; - } - - if (setup->noutputs != setup->ninputs ) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("The number of audio inputs and audio outputs of the LADSPA plugin differ.")); - return AF_ERROR; - } - - MP_VERBOSE(af, "%s: this plugin has %d input control(s)\n", - setup->myname, setup->ninputcontrols); - - /* Print list of controls and its range of values it accepts */ - - for (i=0; i<setup->ninputcontrols; i++) { - p = setup->inputcontrolsmap[i]; - hint = pdes->PortRangeHints[p]; - MP_VERBOSE(af, " --- %d %s [", i, pdes->PortNames[p]); - - if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor)) { - MP_VERBOSE(af, "%0.2f , ", hint.LowerBound); - } else { - MP_VERBOSE(af, "... , "); - } - - if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor)) { - MP_VERBOSE(af, "%0.2f]\n", hint.UpperBound); - } else { - MP_VERBOSE(af, "...]\n"); - } - - } - - return AF_OK; -} - -/* ------------------------------------------------------------------------- */ - -/* This function might "slightly" look like dlopenLADSPA in the LADSPA SDK :-) - * But, I changed a few things, because imho it was broken. It did not support - * relative paths, only absolute paths that start with a / - * I think ../../some/dir/foobar.so is just as valid. And if one wants to call - * his library '...somename...so' he's crazy, but it should be allowed. - * So, search the path first, try plain *filename later. - * Also, try adding .so first! I like the recursion the SDK did, but it's - * better the other way around. -af ladspa=cmt:amp_stereo:0.5 is easier to type - * than -af ladspa=cmt.so:amp_stereo:0.5 :-)) - */ - -/** \brief dlopen() wrapper - * - * This is a wrapper around dlopen(). It tries various variations of the - * filename (with or without the addition of the .so extension) in various - * directories specified by the LADSPA_PATH environment variable. If all fails - * it tries the filename directly as an absolute path to the library. - * - * \param filename filename of the library to load. - * \param flag see dlopen(3) for a description of the flags. - * - * \return returns a pointer to the loaded library on success, or - * NULL if it fails to load. - */ - -static void* mydlopen(const char *filename, int flag) { - char *buf; - const char *end, *start, *ladspapath; - int endsinso; - size_t filenamelen; - void *result = NULL; - -#if defined(__MINGW32__) || defined(__CYGWIN__) - /* For Windows there's only absolute path support. - * If you have a Windows machine, feel free to fix this. - * (path separator, shared objects extension, et cetera). */ - MP_VERBOSE(af, "\ton windows, only absolute pathnames " - "are supported\n"); - MP_VERBOSE(af, "\ttrying %s\n", filename); - return dlopen(filename, flag); -#endif - - filenamelen = strlen(filename); - - endsinso = 0; - if (filenamelen > 3) - endsinso = (strcmp(filename+filenamelen-3, ".so") == 0); - if (!endsinso) { - buf=malloc(filenamelen+4); - strcpy(buf, filename); - strcat(buf, ".so"); - result=mydlopen(buf, flag); - free(buf); - } - - if (result) - return result; - - ladspapath=getenv("LADSPA_PATH"); - - if (ladspapath) { - start=ladspapath; - while (*start != '\0') { - int needslash; - end=start; - while ( (*end != ':') && (*end != '\0') ) - end++; - - buf=malloc(filenamelen + 2 + (end-start) ); - if (end > start) - strncpy(buf, start, end-start); - needslash=0; - if (end > start) - if (*(end-1) != '/') { - needslash = 1; - buf[end-start] = '/'; - } - strcpy(buf+needslash+(end-start), filename); - - result=dlopen(buf, flag); - - free(buf); - if (result) - return result; - - start = end; - if (*start == ':') - start++; - } /* end while there's still more in the path */ - } /* end if there's a ladspapath */ - - /* last resort, just open it again, so the dlerror() message is correct */ - return dlopen(filename,flag); -} - -/* ------------------------------------------------------------------------- */ - -/** \brief Load a LADSPA Plugin - * - * This function loads the LADSPA plugin specified by the file and label - * that are present in the setup variable. First, it loads the library. - * If it fails, it returns AF_ERROR. If not, it continues to look for the - * specified label. If it finds it, it sets the plugin_descriptor inside - * setup and returns AF_OK. If it doesn't, it returns AF_ERROR. Special case - * is a label called 'help'. In that case, it prints a list of all available - * labels (filters) in the library specified by file. - * - * \param setup Current setup of the filter. Contains filename and label. - * - * \return Either AF_ERROR or AF_OK, depending on the success of the operation. - */ - -static int af_ladspa_load_plugin(struct af_instance *af) { - af_ladspa_t *setup = af->priv; - const LADSPA_Descriptor *ladspa_descriptor; - LADSPA_Descriptor_Function descriptor_function; - int i; - - /* load library */ - MP_VERBOSE(af, "%s: loading ladspa plugin library %s\n", - setup->myname, setup->file); - - setup->libhandle = mydlopen(setup->file, RTLD_NOW); - - if (!setup->libhandle) { - MP_ERR(af, "%s: %s %s\n\t%s\n", setup->myname, - _("failed to load"), setup->file, dlerror() ); - return AF_ERROR; - } - - MP_VERBOSE(af, "%s: library found.\n", setup->myname); - - /* find descriptor function */ - dlerror(); - descriptor_function = (LADSPA_Descriptor_Function) dlsym (setup->libhandle, - "ladspa_descriptor"); - - if (!descriptor_function) { - MP_ERR(af, "%s: %s\n\t%s\n", setup->myname, - _("Couldn't find ladspa_descriptor() function in the specified library file."), dlerror()); - return AF_ERROR; - } - - /* if label == help, list all labels in library and exit */ - - if (strcmp(setup->label, "help") == 0) { - MP_INFO(af, "%s: %s %s:\n", setup->myname, - _("available labels in"), setup->file); - for (i=0; ; i++) { - ladspa_descriptor = descriptor_function(i); - if (ladspa_descriptor == NULL) { - return AF_ERROR; - } - MP_INFO(af, " %-16s - %s (%lu)\n", - ladspa_descriptor->Label, - ladspa_descriptor->Name, - ladspa_descriptor->UniqueID); - } - } - - MP_VERBOSE(af, "%s: looking for label\n", setup->myname); - - /* find label in library */ - for (i=0; ; i++) { - ladspa_descriptor = descriptor_function(i); - if (ladspa_descriptor == NULL) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("Couldn't find label in plugin library.")); - return AF_ERROR; - } - if (strcmp(ladspa_descriptor->Label, setup->label) == 0) { - setup->plugin_descriptor = ladspa_descriptor; - MP_VERBOSE(af, "%s: %s found\n", setup->myname, - setup->label); - return AF_OK; - } - } - - return AF_OK; -} - -/* ------------------------------------------------------------------------- */ - -/** \brief Print a malloc() failed error message. - * - * Generic function which can be called if a call to malloc(), calloc(), - * strdup(), et cetera, failed. It prints a message to the console and - * returns AF_ERROR. - * - * \return AF_ERROR - */ - -static int af_ladspa_malloc_failed(char *myname) { - return AF_ERROR; -} - -/* ------------------------------------------------------------------------- */ - -/** \brief Controls the filter. - * - * Control the behaviour of the filter. - * - * Commands: - * CONTROL_REINIT Sets the af structure with proper values for number - * of channels, rate, format, et cetera. - * \param af Audio filter instance - * \param cmd The command to execute - * \param arg Arguments to the command - * - * \return Either AF_ERROR or AF_OK, depending on the succes of the - * operation. - */ - -static int control(struct af_instance *af, int cmd, void *arg) { - af_ladspa_t *setup = (af_ladspa_t*) af->priv; - - switch(cmd) { - case AF_CONTROL_REINIT: - MP_VERBOSE(af, "%s: (re)init\n", setup->myname); - - if (!arg) return AF_ERROR; - - /* accept FLOAT, let af_format do conversion */ - - mp_audio_copy_config(af->data, (struct mp_audio*)arg); - mp_audio_set_format(af->data, AF_FORMAT_FLOAT); - - return af_test_output(af, (struct mp_audio*)arg); - } - - return AF_UNKNOWN; -} - -/* ------------------------------------------------------------------------- */ - -/** \brief Uninitialise the LADSPA Plugin Loader filter. - * - * This function deactivates the plugin(s), cleans up, frees all allocated - * memory and exits. - * - * \return No return value. - */ - -static void uninit(struct af_instance *af) { - if (af->priv) { - af_ladspa_t *setup = (af_ladspa_t*) af->priv; - const LADSPA_Descriptor *pdes = setup->plugin_descriptor; - - if (setup->myname) { - MP_VERBOSE(af, "%s: cleaning up\n", setup->myname); - free(setup->myname); - } - - if (setup->chhandles) { - for (int i = 0; i < setup->nch; i+=setup->ninputs) { - if (pdes->deactivate) pdes->deactivate(setup->chhandles[i]); - if (pdes->cleanup) pdes->cleanup(setup->chhandles[i]); - } - free(setup->chhandles); - } - - free(setup->inputcontrolsmap); - free(setup->inputcontrols); - free(setup->outputcontrolsmap); - free(setup->outputcontrols); - free(setup->inputs); - free(setup->outputs); - - if (setup->inbufs) { - for(int i = 0; i < setup->nch; i++) - free(setup->inbufs[i]); - free(setup->inbufs); - } - - if (setup->outbufs) { - for (int i = 0; i < setup->nch; i++) - free(setup->outbufs[i]); - free(setup->outbufs); - } - - if (setup->libhandle) - dlclose(setup->libhandle); - } -} - -/* ------------------------------------------------------------------------- */ - -/** \brief Process chunk of audio data through the selected LADSPA Plugin. - * - * \param af Pointer to audio filter instance - * \param data Pointer to chunk of audio data - * - * \return Either AF_ERROR or AF_OK - */ - -static int filter_frame(struct af_instance *af, struct mp_audio *data) -{ - if (!data) - return 0; - af_ladspa_t *setup = af->priv; - const LADSPA_Descriptor *pdes = setup->plugin_descriptor; - float *audio = (float*)data->planes[0]; - int nsamples = data->samples*data->nch; - int nch = data->nch; - int rate = data->rate; - int i, p; - - if (setup->status !=AF_OK) { - talloc_free(data); - return -1; - } - if (af_make_writeable(af, data) < 0) { - talloc_free(data); - return -1; - } - - /* See if it's the first call. If so, setup inbufs/outbufs, instantiate - * plugin, connect ports and activate plugin - */ - - if ( (setup->bufsize != nsamples/nch) || (setup->nch != nch) ) { - - /* if setup->nch==0, it's the first call, if not, something has - * changed and all previous mallocs have to be freed - */ - - if (setup->nch != 0) { - MP_TRACE(af, "%s: bufsize change; free old buffer\n", - setup->myname); - - if(setup->inbufs) { - for(i=0; i<setup->nch; i++) - free(setup->inbufs[i]); - free(setup->inbufs); - } - if(setup->outbufs) { - for(i=0; i<setup->nch; i++) - free(setup->outbufs[i]); - free(setup->outbufs); - } - } /* everything is freed */ - - setup->bufsize = nsamples/nch; - setup->nch = nch; - - setup->inbufs = calloc(nch, sizeof(float*)); - setup->outbufs = calloc(nch, sizeof(float*)); - - MP_TRACE(af, "%s: bufsize = %d\n", - setup->myname, setup->bufsize); - - for(i=0; i<nch; i++) { - setup->inbufs[i] = calloc(setup->bufsize, sizeof(float)); - setup->outbufs[i] = calloc(setup->bufsize, sizeof(float)); - } - - /* only on the first call, there are no handles. */ - - if (!setup->chhandles) { - setup->chhandles = calloc(nch, sizeof(LADSPA_Handle)); - - /* create handles - * for stereo effects, create one handle for two channels - */ - - for(i=0; i<nch; i++) { - - if (i % setup->ninputs) { /* stereo effect */ - /* copy the handle from previous channel */ - setup->chhandles[i] = setup->chhandles[i-1]; - continue; - } - - setup->chhandles[i] = pdes->instantiate(pdes, rate); - } - } - - /* connect input/output ports for each channel/filter instance - * - * always (re)connect ports - */ - - for(i=0; i<nch; i++) { - pdes->connect_port(setup->chhandles[i], - setup->inputs[i % setup->ninputs], - setup->inbufs[i]); - pdes->connect_port(setup->chhandles[i], - setup->outputs[i % setup->ninputs], - setup->outbufs[i]); - - /* connect (input) controls */ - - for (p=0; p<setup->nports; p++) { - LADSPA_PortDescriptor d = pdes->PortDescriptors[p]; - if (LADSPA_IS_PORT_CONTROL(d)) { - if (LADSPA_IS_PORT_INPUT(d)) { - pdes->connect_port(setup->chhandles[i], p, - &(setup->inputcontrols[p]) ); - } else { - pdes->connect_port(setup->chhandles[i], p, - &(setup->outputcontrols[p]) ); - } - } - } - - /* Activate filter (if it isn't already :) ) */ - - if (pdes->activate && !setup->activated && i % setup->ninputs == 0) - pdes->activate(setup->chhandles[i]); - - } /* All channels/filters done! except for... */ - setup->activated = 1; - - /* Stereo effect with one channel left. Use same buffer for left - * and right. connect it to the second port. - */ - - for (p = i; p % setup->ninputs; p++) { - pdes->connect_port(setup->chhandles[i-1], - setup->inputs[p % setup->ninputs], - setup->inbufs[i-1]); - pdes->connect_port(setup->chhandles[i-1], - setup->outputs[p % setup->ninputs], - setup->outbufs[i-1]); - } /* done! */ - - } /* setup for first call/change of bufsize is done. - * normal playing routine follows... - */ - - /* Right now, I use a separate input and output buffer. - * I could change this to in-place processing (inbuf==outbuf), but some - * ladspa filters are broken and are not able to handle that. This seems - * fast enough, so unless somebody complains, it stays this way :) - */ - - /* Fill inbufs */ - - for (p=0; p<setup->bufsize; p++) { - for (i=0; i<nch; i++) { - setup->inbufs[i][p] = audio[p*nch + i]; - } - } - - /* Run filter(s) */ - - for (i=0; i<nch; i+=setup->ninputs) { - pdes->run(setup->chhandles[i], setup->bufsize); - } - - /* Extract outbufs */ - - for (p=0; p<setup->bufsize; p++) { - for (i=0; i<nch; i++) { - audio[p*nch + i] = setup->outbufs[i][p]; - } - } - - /* done */ - - af_add_output_frame(af, data); - return 0; -} - -/* ------------------------------------------------------------------------- */ - -/** \brief Open LADSPA Plugin Loader Filter - * - * \param af Audio Filter instance - * - * \return Either AF_ERROR or AF_OK - */ - -static int af_open(struct af_instance *af) { - - af->control=control; - af->uninit=uninit; - af->filter_frame = filter_frame; - - af_ladspa_t *setup = af->priv; - - setup->status = AF_ERROR; /* will be set to AF_OK if - * all went OK and filter() - * should proceed. - */ - - setup->myname = strdup(af_info_ladspa.name); - if (!setup->myname) - return af_ladspa_malloc_failed((char*)af_info_ladspa.name); - - if (!setup->file || !setup->file[0]) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("No library file specified.")); - uninit(af); - return AF_ERROR; - } - if (!setup->label || !setup->label[0]) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("No filter label specified.")); - uninit(af); - return AF_ERROR; - } - - free(setup->myname); - setup->myname = calloc(strlen(af_info_ladspa.name)+strlen(setup->file)+ - strlen(setup->label)+6, 1); - snprintf(setup->myname, strlen(af_info_ladspa.name)+ - strlen(setup->file)+strlen(setup->label)+6, "%s: (%s:%s)", - af_info_ladspa.name, setup->file, setup->label); - - /* load plugin :) */ - - if ( af_ladspa_load_plugin(af) != AF_OK ) - return AF_ERROR; - - /* see what inputs, outputs and controls this plugin has */ - if ( af_ladspa_parse_plugin(af) != AF_OK ) - return AF_ERROR; - - /* ninputcontrols is set by now, read control values from arg */ - - float val; - char *line = setup->controls; - for (int i = 0; i < setup->ninputcontrols; i++) { - if (!line || (i != 0 && *line != ',')) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("Not enough controls specified on the command line.")); - return AF_ERROR; - } - if (i != 0) - line++; - if (sscanf(line, "%f", &val) != 1) { - MP_ERR(af, "%s: %s\n", setup->myname, - _("Not enough controls specified on the command line.")); - return AF_ERROR; - } - setup->inputcontrols[setup->inputcontrolsmap[i]] = val; - line = strchr(line, ','); - } - - MP_VERBOSE(af, "%s: input controls: ", setup->myname); - for (int i = 0; i < setup->ninputcontrols; i++) { - MP_VERBOSE(af, "%0.4f ", - setup->inputcontrols[setup->inputcontrolsmap[i]]); - } - MP_VERBOSE(af, "\n"); - - /* check boundaries of inputcontrols */ - - MP_VERBOSE(af, "%s: checking boundaries of input controls\n", - setup->myname); - for (int i = 0; i < setup->ninputcontrols; i++) { - int p = setup->inputcontrolsmap[i]; - LADSPA_PortRangeHint hint = - setup->plugin_descriptor->PortRangeHints[p]; - val = setup->inputcontrols[p]; - - if (LADSPA_IS_HINT_BOUNDED_BELOW(hint.HintDescriptor) && - val < hint.LowerBound) { - MP_ERR(af, "%s: Input control #%d is below lower boundary of %0.4f.\n", - setup->myname, i, hint.LowerBound); - return AF_ERROR; - } - if (LADSPA_IS_HINT_BOUNDED_ABOVE(hint.HintDescriptor) && - val > hint.UpperBound) { - MP_ERR(af, "%s: Input control #%d is above upper boundary of %0.4f.\n", - setup->myname, i, hint.UpperBound); - return AF_ERROR; - } - } - MP_VERBOSE(af, "%s: all controls have sane values\n", - setup->myname); - - /* All is well! */ - setup->status = AF_OK; - - return AF_OK; -} - -/* ------------------------------------------------------------------------- */ |