4 This file is part of PulseAudio.
6 Copyright 2006 Lennart Poettering
8 PulseAudio is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published
10 by the Free Software Foundation; either version 2 of the License,
11 or (at your option) any later version.
13 PulseAudio is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with PulseAudio; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
33 #include <pulse/xmalloc.h>
35 #include <pulsecore/sink-input.h>
36 #include <pulsecore/gccmacro.h>
38 #include "play-memblockq.h"
40 static void sink_input_kill(pa_sink_input *i) {
47 pa_sink_input_disconnect(i);
48 pa_sink_input_unref(i);
53 static int sink_input_peek(pa_sink_input *i, pa_memchunk *chunk) {
61 return pa_memblockq_peek(q, chunk);
64 static void si_kill(PA_GCC_UNUSED pa_mainloop_api *m, void *i) {
68 static void sink_input_drop(pa_sink_input *i, const pa_memchunk*chunk, size_t length) {
77 pa_memblockq_drop(q, chunk, length);
79 if (pa_memblockq_get_length(q) <= 0)
80 pa_mainloop_api_once(i->sink->core->mainloop, si_kill, i);
83 int pa_play_memblockq(
86 const pa_sample_spec *ss,
87 const pa_channel_map *map,
92 pa_sink_input_new_data data;
98 if (pa_memblockq_get_length(q) <= 0) {
103 if (volume && pa_cvolume_is_muted(volume)) {
104 pa_memblockq_free(q);
108 pa_sink_input_new_data_init(&data);
111 data.driver = __FILE__;
112 pa_sink_input_new_data_set_channel_map(&data, map);
113 pa_sink_input_new_data_set_sample_spec(&data, ss);
114 pa_sink_input_new_data_set_volume(&data, volume);
116 if (!(si = pa_sink_input_new(sink->core, &data, 0)))
119 si->peek = sink_input_peek;
120 si->drop = sink_input_drop;
121 si->kill = sink_input_kill;
125 pa_sink_notify(si->sink);