LXR qemu/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
  19void 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
  39void 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}
  74