xref: /openbmc/qemu/replay/replay-audio.c (revision 59a3a1c0)
1 /*
2  * replay-audio.c
3  *
4  * Copyright (c) 2010-2017 Institute for System Programming
5  *                         of the Russian Academy of Sciences.
6  *
7  * This work is licensed under the terms of the GNU GPL, version 2 or later.
8  * See the COPYING file in the top-level directory.
9  *
10  */
11 
12 #include "qemu/osdep.h"
13 #include "qemu/error-report.h"
14 #include "sysemu/replay.h"
15 #include "replay-internal.h"
16 #include "audio/audio.h"
17 
18 void replay_audio_out(int *played)
19 {
20     if (replay_mode == REPLAY_MODE_RECORD) {
21         g_assert(replay_mutex_locked());
22         replay_save_instructions();
23         replay_put_event(EVENT_AUDIO_OUT);
24         replay_put_dword(*played);
25     } else if (replay_mode == REPLAY_MODE_PLAY) {
26         g_assert(replay_mutex_locked());
27         replay_account_executed_instructions();
28         if (replay_next_event_is(EVENT_AUDIO_OUT)) {
29             *played = replay_get_dword();
30             replay_finish_event();
31         } else {
32             error_report("Missing audio out event in the replay log");
33             abort();
34         }
35     }
36 }
37 
38 void replay_audio_in(int *recorded, void *samples, int *wpos, int size)
39 {
40     int pos;
41     uint64_t left, right;
42     if (replay_mode == REPLAY_MODE_RECORD) {
43         g_assert(replay_mutex_locked());
44         replay_save_instructions();
45         replay_put_event(EVENT_AUDIO_IN);
46         replay_put_dword(*recorded);
47         replay_put_dword(*wpos);
48         for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
49              ; pos = (pos + 1) % size) {
50             audio_sample_to_uint64(samples, pos, &left, &right);
51             replay_put_qword(left);
52             replay_put_qword(right);
53         }
54     } else if (replay_mode == REPLAY_MODE_PLAY) {
55         g_assert(replay_mutex_locked());
56         replay_account_executed_instructions();
57         if (replay_next_event_is(EVENT_AUDIO_IN)) {
58             *recorded = replay_get_dword();
59             *wpos = replay_get_dword();
60             for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
61                  ; pos = (pos + 1) % size) {
62                 left = replay_get_qword();
63                 right = replay_get_qword();
64                 audio_sample_from_uint64(samples, pos, left, right);
65             }
66             replay_finish_event();
67         } else {
68             error_report("Missing audio in event in the replay log");
69             abort();
70         }
71     }
72 }
73