1 /***
2 This file is part of PulseAudio.
3
4 Copyright 2004-2008 Lennart Poettering
5
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
10
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
18 ***/
19
20 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23
24 #include <stdlib.h>
25 #include <stdio.h>
26
27 #include <pulsecore/sink-input.h>
28 #include <pulsecore/play-memblockq.h>
29
30 #include "play-memchunk.h"
31
pa_play_memchunk(pa_sink * sink,const pa_sample_spec * ss,const pa_channel_map * map,const pa_memchunk * chunk,pa_cvolume * volume,pa_proplist * p,pa_sink_input_flags_t flags,uint32_t * sink_input_index)32 int pa_play_memchunk(
33 pa_sink *sink,
34 const pa_sample_spec *ss,
35 const pa_channel_map *map,
36 const pa_memchunk *chunk,
37 pa_cvolume *volume,
38 pa_proplist *p,
39 pa_sink_input_flags_t flags,
40 uint32_t *sink_input_index) {
41
42 pa_memblockq *q;
43 int r;
44 pa_memchunk silence;
45
46 pa_assert(sink);
47 pa_assert(ss);
48 pa_assert(chunk);
49
50 pa_silence_memchunk_get(&sink->core->silence_cache, sink->core->mempool, &silence, ss, 0);
51 q = pa_memblockq_new("pa_play_memchunk() q", 0, chunk->length, 0, ss, 1, 1, 0, &silence);
52 pa_memblock_unref(silence.memblock);
53
54 pa_assert_se(pa_memblockq_push(q, chunk) >= 0);
55
56 if ((r = pa_play_memblockq(sink, ss, map, q, volume, p, flags, sink_input_index)) < 0) {
57 pa_memblockq_free(q);
58 return r;
59 }
60
61 return 0;
62 }
63