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 "system/replay.h" 15 #include "replay-internal.h" 16 #include "audio/audio.h" 17 18 void 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 38 void 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