4 This file is part of PulseAudio.
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 of the License,
9 or (at your option) any later version.
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.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
31 #include <pulse/xmalloc.h>
33 #include <pulsecore/sink-input.h>
34 #include <pulsecore/gccmacro.h>
36 #include "play-memchunk.h"
38 static void sink_input_kill(pa_sink_input
*i
) {
40 assert(i
&& i
->userdata
);
43 pa_sink_input_disconnect(i
);
44 pa_sink_input_unref(i
);
46 pa_memblock_unref(c
->memblock
);
50 static int sink_input_peek(pa_sink_input
*i
, pa_memchunk
*chunk
) {
52 assert(i
&& chunk
&& i
->userdata
);
58 assert(c
->memblock
&& c
->memblock
->length
);
60 pa_memblock_ref(c
->memblock
);
65 static void si_kill(PA_GCC_UNUSED pa_mainloop_api
*m
, void *i
) {
69 static void sink_input_drop(pa_sink_input
*i
, const pa_memchunk
*chunk
, size_t length
) {
71 assert(i
&& length
&& i
->userdata
);
74 assert(!memcmp(chunk
, c
, sizeof(chunk
)));
75 assert(length
<= c
->length
);
81 pa_mainloop_api_once(i
->sink
->core
->mainloop
, si_kill
, i
);
87 const pa_sample_spec
*ss
,
88 const pa_channel_map
*map
,
89 const pa_memchunk
*chunk
,
94 pa_sink_input_new_data data
;
100 if (volume
&& pa_cvolume_is_muted(volume
))
103 pa_sink_input_new_data_init(&data
);
106 data
.driver
= __FILE__
;
107 pa_sink_input_new_data_set_sample_spec(&data
, ss
);
108 pa_sink_input_new_data_set_channel_map(&data
, map
);
109 pa_sink_input_new_data_set_volume(&data
, volume
);
111 if (!(si
= pa_sink_input_new(sink
->core
, &data
, 0)))
114 si
->peek
= sink_input_peek
;
115 si
->drop
= sink_input_drop
;
116 si
->kill
= sink_input_kill
;
118 si
->userdata
= nchunk
= pa_xnew(pa_memchunk
, 1);
121 pa_memblock_ref(chunk
->memblock
);
123 pa_sink_notify(si
->sink
);