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 "audio/audio.h"
  17
  18void 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
  38void 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