big s/polyp/pulse/g

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1033 fefdeb5f-60dc-0310-8127-8f9354f1896f

src/pulsecore/play-memchunk.c

@@ -0,0 +1,117 @@
+/* $Id$ */
+
+/***
+  This file is part of PulseAudio.
+ 
+  PulseAudio 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 of the License,
+  or (at your option) any later version.
+ 
+  PulseAudio 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 Lesser General Public License
+  along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <pulse/xmalloc.h>
+
+#include <pulsecore/sink-input.h>
+#include <pulsecore/gccmacro.h>
+
+#include "play-memchunk.h"
+
+static void sink_input_kill(pa_sink_input *i) {
+    pa_memchunk *c;
+    assert(i && i->userdata);
+    c = i->userdata;
+
+    pa_sink_input_disconnect(i);
+    pa_sink_input_unref(i);
+
+    pa_memblock_unref(c->memblock);
+    pa_xfree(c);
+}
+
+static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) {
+    pa_memchunk *c;
+    assert(i && chunk && i->userdata);
+    c = i->userdata;
+
+    if (c->length <= 0)
+        return -1;
+    
+    assert(c->memblock && c->memblock->length);
+    *chunk = *c;
+    pa_memblock_ref(c->memblock);
+
+    return 0;
+}
+
+static void si_kill(PA_GCC_UNUSED pa_mainloop_api *m, void *i) {
+    sink_input_kill(i);
+}
+
+static void sink_input_drop(pa_sink_input *i, const pa_memchunk*chunk, size_t length) {
+    pa_memchunk *c;
+    assert(i && length && i->userdata);
+    c = i->userdata;
+
+    assert(!memcmp(chunk, c, sizeof(chunk)));
+    assert(length <= c->length);
+
+    c->length -= length;
+    c->index += length;
+
+    if (c->length <= 0)
+        pa_mainloop_api_once(i->sink->core->mainloop, si_kill, i);
+}
+
+int pa_play_memchunk(
+    pa_sink *sink,
+    const char *name,
+    const pa_sample_spec *ss,
+    const pa_channel_map *map,
+    const pa_memchunk *chunk,
+    pa_cvolume *cvolume) {
+    
+    pa_sink_input *si;
+    pa_memchunk *nchunk;
+
+    assert(sink);
+    assert(ss);
+    assert(chunk);
+
+    if (cvolume && pa_cvolume_is_muted(cvolume))
+        return 0;
+
+    if (!(si = pa_sink_input_new(sink, name, __FILE__, ss, map, cvolume, 0, PA_RESAMPLER_INVALID)))
+        return -1;
+
+    si->peek = sink_input_peek;
+    si->drop = sink_input_drop;
+    si->kill = sink_input_kill;
+    
+    si->userdata = nchunk = pa_xnew(pa_memchunk, 1);
+    *nchunk = *chunk;
+    
+    pa_memblock_ref(chunk->memblock);
+
+    pa_sink_notify(sink);
+    
+    return 0;
+}