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-rw-r--r--qemu/audio/rate_template.h111
1 files changed, 0 insertions, 111 deletions
diff --git a/qemu/audio/rate_template.h b/qemu/audio/rate_template.h
deleted file mode 100644
index bd4b1c768..000000000
--- a/qemu/audio/rate_template.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * QEMU Mixing engine
- *
- * Copyright (c) 2004-2005 Vassili Karpov (malc)
- * Copyright (c) 1998 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-/*
- * Processed signed long samples from ibuf to obuf.
- * Return number of samples processed.
- */
-void NAME (void *opaque, struct st_sample *ibuf, struct st_sample *obuf,
- int *isamp, int *osamp)
-{
- struct rate *rate = opaque;
- struct st_sample *istart, *iend;
- struct st_sample *ostart, *oend;
- struct st_sample ilast, icur, out;
-#ifdef FLOAT_MIXENG
- mixeng_real t;
-#else
- int64_t t;
-#endif
-
- ilast = rate->ilast;
-
- istart = ibuf;
- iend = ibuf + *isamp;
-
- ostart = obuf;
- oend = obuf + *osamp;
-
- if (rate->opos_inc == (1ULL + UINT_MAX)) {
- int i, n = *isamp > *osamp ? *osamp : *isamp;
- for (i = 0; i < n; i++) {
- OP (obuf[i].l, ibuf[i].l);
- OP (obuf[i].r, ibuf[i].r);
- }
- *isamp = n;
- *osamp = n;
- return;
- }
-
- while (obuf < oend) {
-
- /* Safety catch to make sure we have input samples. */
- if (ibuf >= iend) {
- break;
- }
-
- /* read as many input samples so that ipos > opos */
-
- while (rate->ipos <= (rate->opos >> 32)) {
- ilast = *ibuf++;
- rate->ipos++;
- /* See if we finished the input buffer yet */
- if (ibuf >= iend) {
- goto the_end;
- }
- }
-
- icur = *ibuf;
-
- /* interpolate */
-#ifdef FLOAT_MIXENG
-#ifdef RECIPROCAL
- t = (rate->opos & UINT_MAX) * (1.f / UINT_MAX);
-#else
- t = (rate->opos & UINT_MAX) / (mixeng_real) UINT_MAX;
-#endif
- out.l = (ilast.l * (1.0 - t)) + icur.l * t;
- out.r = (ilast.r * (1.0 - t)) + icur.r * t;
-#else
- t = rate->opos & 0xffffffff;
- out.l = (ilast.l * ((int64_t) UINT_MAX - t) + icur.l * t) >> 32;
- out.r = (ilast.r * ((int64_t) UINT_MAX - t) + icur.r * t) >> 32;
-#endif
-
- /* output sample & increment position */
- OP (obuf->l, out.l);
- OP (obuf->r, out.r);
- obuf += 1;
- rate->opos += rate->opos_inc;
- }
-
-the_end:
- *isamp = ibuf - istart;
- *osamp = obuf - ostart;
- rate->ilast = ilast;
-}
-
-#undef NAME
-#undef OP