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CDROM: Fix CDDA playback in some obscure edge cases 

e.g. Roswell Conspiracies
This commit is contained in:
Stenzek 2024-09-26 14:05:14 +10:00
parent 4d74b203af
commit 0e4ca9cd93
No known key found for this signature in database
2 changed files with 48 additions and 34 deletions
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16
src/core/cdrom.cpp
View File

@ -65,6 +65,7 @@ enum : u32
MAX_FAST_FORWARD_RATE = 12,
FAST_FORWARD_RATE_STEP = 4,
CDDA_REPORT_START_DELAY = 60, // 60 frames
MINIMUM_INTERRUPT_DELAY = 1000,
INTERRUPT_DELAY_CYCLES = 500,
};
@ -413,6 +414,7 @@ static CDImage::SectorHeader s_last_sector_header{};
static XASubHeader s_last_sector_subheader{};
static bool s_last_sector_header_valid = false; // TODO: Rename to "logical pause" or something.
static CDImage::SubChannelQ s_last_subq{};
static u8 s_cdda_report_start_delay = 0;
static u8 s_last_cdda_report_frame_nibble = 0xFF;
static u8 s_play_track_number_bcd = 0xFF;
static u8 s_async_command_parameter = 0x00;
@ -565,6 +567,7 @@ void CDROM::Reset()
std::memset(&s_last_sector_subheader, 0, sizeof(s_last_sector_subheader));
s_last_sector_header_valid = false;
std::memset(&s_last_subq, 0, sizeof(s_last_subq));
s_cdda_report_start_delay = 0;
s_last_cdda_report_frame_nibble = 0xFF;
s_next_cd_audio_volume_matrix[0][0] = 0x80;
@ -604,6 +607,7 @@ TickCount CDROM::SoftReset(TickCount ticks_late)
s_play_after_seek = false;
s_muted = false;
s_adpcm_muted = false;
s_cdda_report_start_delay = 0;
s_last_cdda_report_frame_nibble = 0xFF;
ClearSectorBuffers();
@ -711,6 +715,7 @@ bool CDROM::DoState(StateWrapper& sw)
sw.DoBytes(&s_last_sector_subheader, sizeof(s_last_sector_subheader));
sw.Do(&s_last_sector_header_valid);
sw.DoBytes(&s_last_subq, sizeof(s_last_subq));
sw.DoEx(&s_cdda_report_start_delay, 72, static_cast<u8>(0));
sw.Do(&s_last_cdda_report_frame_nibble);
sw.Do(&s_play_track_number_bcd);
sw.Do(&s_async_command_parameter);
@ -2582,7 +2587,6 @@ void CDROM::BeginReading(TickCount ticks_late /* = 0 */, bool after_seek /* = fa
void CDROM::BeginPlaying(u8 track, TickCount ticks_late /* = 0 */, bool after_seek /* = false */)
{
DEBUG_LOG("Starting playing CDDA track {}", track);
s_last_cdda_report_frame_nibble = 0xFF;
s_play_track_number_bcd = track;
s_fast_forward_rate = 0;
@ -2614,6 +2618,9 @@ void CDROM::BeginPlaying(u8 track, TickCount ticks_late /* = 0 */, bool after_se
ClearSectorBuffers();
ResetAudioDecoder();
s_cdda_report_start_delay = CDDA_REPORT_START_DELAY;
s_last_cdda_report_frame_nibble = 0xFF;
s_drive_state = DriveState::Playing;
s_drive_event.SetInterval(ticks);
s_drive_event.Schedule(first_sector_ticks);
@ -3556,6 +3563,8 @@ ALWAYS_INLINE_RELEASE void CDROM::ProcessCDDASector(const u8* raw_sector, const
// The reporting doesn't happen if we're reading with the CDDA mode bit set.
if (s_drive_state == DriveState::Playing && s_mode.report_audio && subq_valid)
{
if (s_cdda_report_start_delay == 0)
{
const u8 frame_nibble = subq.absolute_frame_bcd >> 4;
@ -3595,6 +3604,11 @@ ALWAYS_INLINE_RELEASE void CDROM::ProcessCDDASector(const u8* raw_sector, const
peak_volume);
}
}
else
{
s_cdda_report_start_delay--;
}
}
// Apply volume when pushing sectors to SPU.
if (s_muted || g_settings.cdrom_mute_cd_audio)

2
src/core/save_state_version.h
View File

@ -6,7 +6,7 @@
#include "common/types.h"
static constexpr u32 SAVE_STATE_MAGIC = 0x43435544;
static constexpr u32 SAVE_STATE_VERSION = 71;
static constexpr u32 SAVE_STATE_VERSION = 72;
static constexpr u32 SAVE_STATE_MINIMUM_VERSION = 42;
static_assert(SAVE_STATE_VERSION >= SAVE_STATE_MINIMUM_VERSION);