mirror of https://gitee.com/openkylin/qemu.git
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/*
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* replay-audio.c
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*
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* Copyright (c) 2010-2017 Institute for System Programming
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* of the Russian Academy of Sciences.
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qemu/error-report.h"
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#include "sysemu/replay.h"
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#include "replay-internal.h"
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#include "audio/audio.h"
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void replay_audio_out(size_t *played)
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{
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if (replay_mode == REPLAY_MODE_RECORD) {
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g_assert(replay_mutex_locked());
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replay_save_instructions();
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replay_put_event(EVENT_AUDIO_OUT);
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replay_put_qword(*played);
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} else if (replay_mode == REPLAY_MODE_PLAY) {
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g_assert(replay_mutex_locked());
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replay_account_executed_instructions();
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if (replay_next_event_is(EVENT_AUDIO_OUT)) {
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*played = replay_get_qword();
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replay_finish_event();
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} else {
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error_report("Missing audio out event in the replay log");
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abort();
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}
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}
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}
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void replay_audio_in(size_t *recorded, void *samples, size_t *wpos, size_t size)
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{
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int pos;
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uint64_t left, right;
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if (replay_mode == REPLAY_MODE_RECORD) {
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g_assert(replay_mutex_locked());
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replay_save_instructions();
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replay_put_event(EVENT_AUDIO_IN);
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replay_put_qword(*recorded);
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replay_put_qword(*wpos);
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for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
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; pos = (pos + 1) % size) {
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audio_sample_to_uint64(samples, pos, &left, &right);
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replay_put_qword(left);
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replay_put_qword(right);
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}
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} else if (replay_mode == REPLAY_MODE_PLAY) {
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g_assert(replay_mutex_locked());
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replay_account_executed_instructions();
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if (replay_next_event_is(EVENT_AUDIO_IN)) {
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*recorded = replay_get_qword();
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*wpos = replay_get_qword();
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for (pos = (*wpos - *recorded + size) % size ; pos != *wpos
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; pos = (pos + 1) % size) {
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left = replay_get_qword();
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right = replay_get_qword();
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audio_sample_from_uint64(samples, pos, left, right);
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}
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replay_finish_event();
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} else {
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error_report("Missing audio in event in the replay log");
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abort();
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}
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}
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}
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