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         replay_save_instructions();
  23         replay_mutex_lock();
  24         replay_put_event(EVENT_AUDIO_OUT);
  25         replay_put_dword(*played);
  26         replay_mutex_unlock();
  27     } else if (replay_mode == REPLAY_MODE_PLAY) {
  28         replay_account_executed_instructions();
  29         replay_mutex_lock();
  30         if (replay_next_event_is(EVENT_AUDIO_OUT)) {
  31             *played = replay_get_dword();
  32             replay_finish_event();
  33             replay_mutex_unlock();
  34         } else {
  35             replay_mutex_unlock();
  36             error_report("Missing audio out event in the replay log");
  37             abort();
  38         }
  39     }
  40 }
  41
  42 void replay_audio_in(int *recorded, void *samples, int *wpos, int size)
  43 {
  44     int pos;
  45     uint64_t left, right;
  46     if (replay_mode == REPLAY_MODE_RECORD) {
  47         replay_save_instructions();
  48         replay_mutex_lock();
  49         replay_put_event(EVENT_AUDIO_IN);
  50         replay_put_dword(*recorded);
  51         replay_put_dword(*wpos);
  52         for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
  53              ; pos = (pos + 1) % size) {
  54             audio_sample_to_uint64(samples, pos, &left, &right);
  55             replay_put_qword(left);
  56             replay_put_qword(right);
  57         }
  58         replay_mutex_unlock();
  59     } else if (replay_mode == REPLAY_MODE_PLAY) {
  60         replay_account_executed_instructions();
  61         replay_mutex_lock();
  62         if (replay_next_event_is(EVENT_AUDIO_IN)) {
  63             *recorded = replay_get_dword();
  64             *wpos = replay_get_dword();
  65             for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
  66                  ; pos = (pos + 1) % size) {
  67                 left = replay_get_qword();
  68                 right = replay_get_qword();
  69                 audio_sample_from_uint64(samples, pos, left, right);
  70             }
  71             replay_finish_event();
  72             replay_mutex_unlock();
  73         } else {
  74             replay_mutex_unlock();
  75             error_report("Missing audio in event in the replay log");
  76             abort();
  77         }
  78     }
  79 }