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https://github.com/Rockbox/rockbox.git
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27be5bc728
be rewritten to fixed point. seems to compile cleanly for iriver. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6197 a1c6a512-1295-4272-9138-f99709370657
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* _______ ____ __ ___ ___
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* \ _ \ \ / \ / \ \ / / ' ' '
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* | | \ \ | | || | \/ | . .
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* | | | | | | || ||\ /| |
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* | | | | | | || || \/ | | ' ' '
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* | | | | | | || || | | . .
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* | |_/ / \ \__// || | |
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* /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
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* / \
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* / . \
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* makeduh.c - Function to construct a DUH from / / \ \
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* its components. | < / \_
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* | \/ /\ /
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* By entheh. \_ / > /
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* | \ / /
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* | ' /
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* \__/
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*/
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#include <stdlib.h>
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#include "dumb.h"
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#include "internal/dumb.h"
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static DUH_SIGNAL *make_signal(DUH_SIGTYPE_DESC *desc, sigdata_t *sigdata)
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{
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DUH_SIGNAL *signal;
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ASSERT((desc->start_sigrenderer && desc->end_sigrenderer) || (!desc->start_sigrenderer && !desc->end_sigrenderer));
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ASSERT(desc->sigrenderer_get_samples && desc->sigrenderer_get_current_sample);
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signal = malloc(sizeof(*signal));
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if (!signal) {
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if (desc->unload_sigdata)
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if (sigdata)
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(*desc->unload_sigdata)(sigdata);
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return NULL;
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}
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signal->desc = desc;
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signal->sigdata = sigdata;
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return signal;
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}
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DUH *make_duh(long length, int n_signals, DUH_SIGTYPE_DESC *desc[], sigdata_t *sigdata[])
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{
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DUH *duh = malloc(sizeof(*duh));
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int i;
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int fail;
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if (duh) {
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duh->n_signals = n_signals;
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duh->signal = malloc(n_signals * sizeof(*duh->signal));
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if (!duh->signal) {
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free(duh);
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duh = NULL;
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}
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}
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if (!duh) {
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for (i = 0; i < n_signals; i++)
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if (desc[i]->unload_sigdata)
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if (sigdata[i])
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(*desc[i]->unload_sigdata)(sigdata[i]);
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return NULL;
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}
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fail = 0;
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for (i = 0; i < n_signals; i++) {
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duh->signal[i] = make_signal(desc[i], sigdata[i]);
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if (!duh->signal[i])
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fail = 1;
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}
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if (fail) {
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unload_duh(duh);
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return NULL;
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}
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duh->length = length;
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return duh;
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}
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