replay/replay-audio.c

   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 "sysemu/sysemu.h"
  17 #include "audio/audio.h"
  18
  19 void replay_audio_out(int *played)
  20 {
  21     if (replay_mode == REPLAY_MODE_RECORD) {
  22         g_assert(replay_mutex_locked());
  23         replay_save_instructions();
  24         replay_put_event(EVENT_AUDIO_OUT);
  25         replay_put_dword(*played);
  26     } else if (replay_mode == REPLAY_MODE_PLAY) {
  27         g_assert(replay_mutex_locked());
  28         replay_account_executed_instructions();
  29         if (replay_next_event_is(EVENT_AUDIO_OUT)) {
  30             *played = replay_get_dword();
  31             replay_finish_event();
  32         } else {
  33             error_report("Missing audio out event in the replay log");
  34             abort();
  35         }
  36     }
  37 }
  38
  39 void replay_audio_in(int *recorded, void *samples, int *wpos, int size)
  40 {
  41     int pos;
  42     uint64_t left, right;
  43     if (replay_mode == REPLAY_MODE_RECORD) {
  44         g_assert(replay_mutex_locked());
  45         replay_save_instructions();
  46         replay_put_event(EVENT_AUDIO_IN);
  47         replay_put_dword(*recorded);
  48         replay_put_dword(*wpos);
  49         for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
  50              ; pos = (pos + 1) % size) {
  51             audio_sample_to_uint64(samples, pos, &left, &right);
  52             replay_put_qword(left);
  53             replay_put_qword(right);
  54         }
  55     } else if (replay_mode == REPLAY_MODE_PLAY) {
  56         g_assert(replay_mutex_locked());
  57         replay_account_executed_instructions();
  58         if (replay_next_event_is(EVENT_AUDIO_IN)) {
  59             *recorded = replay_get_dword();
  60             *wpos = replay_get_dword();
  61             for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
  62                  ; pos = (pos + 1) % size) {
  63                 left = replay_get_qword();
  64                 right = replay_get_qword();
  65                 audio_sample_from_uint64(samples, pos, left, right);
  66             }
  67             replay_finish_event();
  68         } else {
  69             error_report("Missing audio in event in the replay log");
  70             abort();
  71         }
  72     }
  73 }