# HG changeset patch
# User Ryan C. Gordon <icculus@icculus.org>
# Date 1000880698 0
# Node ID 3efbcaf36fec61b051507a800e58b9189842bdc2
# Parent  4368fdb091b1e182670475eb42af0235532313cb
Initial add.

diff -r 4368fdb091b1 -r 3efbcaf36fec decoders/skeleton.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/decoders/skeleton.c	Wed Sep 19 06:24:58 2001 +0000
@@ -0,0 +1,119 @@
+/*
+ * SDL_sound -- An abstract sound format decoding API.
+ * Copyright (C) 2001  Ryan C. Gordon.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+ * FMT decoder for SDL_sound.
+ *
+ * This driver handles FMT audio data. Blahblahblah... The author should
+ *  have done a search and replace on "fmt" and "FMT" and changed this
+ *  comment. This is the default comment in the skeleton decoder file...
+ *
+ * Please see the file LICENSE in the source's root directory.
+ *
+ *  This file written by Ryan C. Gordon. (icculus@clutteredmind.org)
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include "SDL_sound.h"
+
+#define __SDL_SOUND_INTERNAL__
+#include "SDL_sound_internal.h"
+
+#if (!defined SOUND_SUPPORTS_FMT)
+#error SOUND_SUPPORTS_FMT must be defined.
+#endif
+
+
+static int FMT_open(Sound_Sample *sample, const char *ext);
+static void FMT_close(Sound_Sample *sample);
+static Uint32 FMT_read(Sound_Sample *sample);
+
+const Sound_DecoderFunctions __Sound_DecoderFunctions_FMT =
+{
+    {
+        "FMT",
+        "FMT audio format description",
+        "Ryan C. Gordon <icculus@clutteredmind.org>",
+        "http://www.icculus.org/SDL_sound/"
+    },
+
+    FMT_open,       /* open() method       */
+    FMT_close,      /* close() method       */
+    FMT_read        /* read() method       */
+};
+
+
+static int FMT_open(Sound_Sample *sample, const char *ext)
+{
+    if (can NOT accept the data)
+    {
+        Sound_SetError("FMT: expected X, got Y.");
+        return(0);
+    } /* if */
+
+    _D(("FMT: Accepting data stream.\n"));
+    set up sample->actual;
+    sample->flags = SOUND_SAMPLEFLAG_NONE;
+    return(1); /* we'll handle this data. */
+} /* FMT_open */
+
+
+static void FMT_close(Sound_Sample *sample)
+{
+    Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
+    clean up anything you put into internal->decoder_private;
+} /* FMT_close */
+
+
+static Uint32 FMT_read(Sound_Sample *sample)
+{
+    Uint32 retval;
+    Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque;
+
+        /*
+         * We don't actually do any decoding, so we read the fmt data
+         *  directly into the internal buffer...
+         */
+    retval = SDL_RWread(internal->rw, internal->buffer,
+                        1, internal->buffer_size);
+
+    (or whatever. Do some decoding here...)
+
+        /* Make sure the read went smoothly... */
+    if (retval == 0)
+        sample->flags |= SOUND_SAMPLEFLAG_EOF;
+
+    else if (retval == -1)
+        sample->flags |= SOUND_SAMPLEFLAG_ERROR;
+
+        /* (next call this EAGAIN may turn into an EOF or error.) */
+    else if (retval < internal->buffer_size)
+        sample->flags |= SOUND_SAMPLEFLAG_EAGAIN;
+
+    (or whatever. retval == number of bytes you put in internal->buffer).
+
+    return(retval);
+} /* FMT_read */
+
+
+/* end of fmt.c ... */
+