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Better documentation and err param handling for fluid_ladspa_check

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This commit is contained in:
Marcus Weseloh 2017-11-21 09:30:31 +01:00
parent 04285fcf48
commit 88092e8c9d
1 changed files with 23 additions and 12 deletions
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35
src/bindings/fluid_ladspa.c
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@ -983,9 +983,12 @@ int fluid_ladspa_effect_link(fluid_ladspa_fx_t *fx, const char *effect_name,
/**
* Do a sanity check for problems in the LADSPA setup
*
* If the check detects problems and the err pointer is not NULL, a description of the first found
* problem is written to that string (up to err_size - 1 characters).
*
* @param fx LADSPA fx instance
* @param err pointer to string that should be filled with an error message, if applicable
* @param err_size size of the error buffer
* @param err externally provided buffer for the error message. Set to NULL if you don't need an error message.
* @param err_size size of the err buffer
* @return FLUID_OK if setup is valid, otherwise FLUID_FAILED (err will contain the error message)
*/
int fluid_ladspa_check(fluid_ladspa_fx_t *fx, char *err, int err_size)
@ -996,11 +999,7 @@ int fluid_ladspa_check(fluid_ladspa_fx_t *fx, char *err, int err_size)
fluid_ladspa_effect_t *effect;
fluid_return_val_if_fail(fx != NULL, FLUID_FAILED);
fluid_return_val_if_fail(err_size >= 0, FLUID_FAILED);
if (err_size > 0 && err == NULL)
{
return FLUID_FAILED;
}
fluid_return_val_if_fail(err == NULL || err_size >= 0, FLUID_FAILED);
LADSPA_API_ENTER(fx);
@ -1017,29 +1016,41 @@ int fluid_ladspa_check(fluid_ladspa_fx_t *fx, char *err, int err_size)
if (check_all_ports_connected(effect, &str) == FLUID_FAILED)
{
FLUID_SNPRINTF(err, err_size, "Port '%s' on effect '%s' is not connected\n",
str, effect->name);
if (err != NULL)
{
FLUID_SNPRINTF(err, err_size, "Port '%s' on effect '%s' is not connected\n",
str, effect->name);
}
LADSPA_API_RETURN(fx, FLUID_FAILED);
}
if (check_no_inplace_broken(effect, &str, &str2) == FLUID_FAILED)
{
if (err != NULL)
{
FLUID_SNPRINTF(err, err_size,
"effect '%s' is in-place broken, '%s' and '%s' are not allowed "
"to connect to the same node\n", effect->name, str, str2);
LADSPA_API_RETURN(fx, FLUID_FAILED);
}
LADSPA_API_RETURN(fx, FLUID_FAILED);
}
}
if (check_host_output_used(fx) == FLUID_FAILED)
{
FLUID_SNPRINTF(err, err_size, "No effect outputs to one the host nodes\n");
if (err != NULL)
{
FLUID_SNPRINTF(err, err_size, "No effect outputs to one the host nodes\n");
}
LADSPA_API_RETURN(fx, FLUID_FAILED);
}
if (check_all_audio_nodes_connected(fx, &str) == FLUID_FAILED)
{
FLUID_SNPRINTF(err, err_size, "Audio node '%s' is not fully connected\n", str);
if (err != NULL)
{
FLUID_SNPRINTF(err, err_size, "Audio node '%s' is not fully connected\n", str);
}
LADSPA_API_RETURN(fx, FLUID_FAILED);
}