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(size_t *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_qword(*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_qword(); |
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(size_t *recorded, void *samples, size_t *wpos, size_t 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_qword(*recorded); |
47 | replay_put_qword(*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_qword(); |
59 | *wpos = replay_get_qword(); |
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 | |