331 lines
9.7 KiB
C
331 lines
9.7 KiB
C
#include <ultra64.h>
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#include "internal.h"
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#include "load.h"
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#include "data.h"
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#include "seqplayer.h"
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#include "synthesis.h"
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#ifdef VERSION_EU
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#ifdef __sgi
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#define stubbed_printf
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#else
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#define stubbed_printf(...)
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#endif
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#define SAMPLES_TO_OVERPRODUCE 0x10
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#define EXTRA_BUFFERED_AI_SAMPLES_TARGET 0x40
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#ifdef VERSION_JP
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typedef u16 FadeT;
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#else
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typedef s32 FadeT;
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#endif
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extern volatile u8 gAudioResetStatus;
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extern u8 gAudioResetPresetIdToLoad;
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extern OSMesgQueue *OSMesgQueues[];
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extern struct EuAudioCmd sAudioCmd[0x100];
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void func_8031D690(s32 player, FadeT fadeInTime);
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void sequence_player_fade_out_internal(s32 player, FadeT fadeOutTime);
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void port_eu_init_queues(void);
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void decrease_sample_dma_ttls(void);
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s32 audio_shut_down_and_reset_step(void);
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void func_802ad7ec(u32);
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#ifdef TARGET_N64
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struct SPTask *create_next_audio_frame_task(void) {
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u32 samplesRemainingInAI;
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s32 writtenCmds;
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s32 index;
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OSTask_t *task;
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s32 flags;
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u16 *currAiBuffer;
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s32 oldDmaCount;
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OSMesg sp30;
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OSMesg sp2C;
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gAudioFrameCount++;
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if (gAudioFrameCount % gAudioBufferParameters.presetUnk4 != 0) {
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stubbed_printf("DAC:Lost 1 Frame.\n");
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return NULL;
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}
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osSendMesg(OSMesgQueues[0], (OSMesg) gAudioFrameCount, 0);
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gAudioTaskIndex ^= 1;
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gCurrAiBufferIndex++;
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gCurrAiBufferIndex %= NUMAIBUFFERS;
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index = (gCurrAiBufferIndex - 2 + NUMAIBUFFERS) % NUMAIBUFFERS;
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samplesRemainingInAI = osAiGetLength() / 4;
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if (gAiBufferLengths[index] != 0) {
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osAiSetNextBuffer(gAiBuffers[index], gAiBufferLengths[index] * 4);
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}
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oldDmaCount = gCurrAudioFrameDmaCount;
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if (oldDmaCount > AUDIO_FRAME_DMA_QUEUE_SIZE) {
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stubbed_printf("DMA: Request queue over.( %d )\n", oldDmaCount);
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}
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gCurrAudioFrameDmaCount = 0;
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decrease_sample_dma_ttls();
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if (osRecvMesg(OSMesgQueues[2], &sp30, 0) != -1) {
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gAudioResetPresetIdToLoad = (u8) (s32) sp30;
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gAudioResetStatus = 5;
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}
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if (gAudioResetStatus != 0) {
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if (audio_shut_down_and_reset_step() == 0) {
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if (gAudioResetStatus == 0) {
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osSendMesg(OSMesgQueues[3], (OSMesg) (s32) gAudioResetPresetIdToLoad, OS_MESG_NOBLOCK);
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}
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return NULL;
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}
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}
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gAudioTask = &gAudioTasks[gAudioTaskIndex];
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gAudioCmd = gAudioCmdBuffers[gAudioTaskIndex];
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index = gCurrAiBufferIndex;
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currAiBuffer = gAiBuffers[index];
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gAiBufferLengths[index] = ((gAudioBufferParameters.samplesPerFrameTarget - samplesRemainingInAI +
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EXTRA_BUFFERED_AI_SAMPLES_TARGET) & ~0xf) + SAMPLES_TO_OVERPRODUCE;
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if (gAiBufferLengths[index] < gAudioBufferParameters.minAiBufferLength) {
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gAiBufferLengths[index] = gAudioBufferParameters.minAiBufferLength;
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}
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if (gAiBufferLengths[index] > gAudioBufferParameters.maxAiBufferLength) {
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gAiBufferLengths[index] = gAudioBufferParameters.maxAiBufferLength;
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}
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if (osRecvMesg(OSMesgQueues[1], &sp2C, OS_MESG_NOBLOCK) != -1) {
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func_802ad7ec((u32) sp2C);
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}
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flags = 0;
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gAudioCmd = synthesis_execute(gAudioCmd, &writtenCmds, currAiBuffer, gAiBufferLengths[index]);
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gAudioRandom = ((gAudioRandom + gAudioFrameCount) * gAudioFrameCount);
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gAudioRandom = gAudioRandom + writtenCmds / 8;
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index = gAudioTaskIndex;
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gAudioTask->msgqueue = NULL;
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gAudioTask->msg = NULL;
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task = &gAudioTask->task.t;
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task->type = M_AUDTASK;
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task->flags = flags;
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#if TARGET_N64
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task->ucode_boot = rspF3DBootStart;
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task->ucode_boot_size = (u8 *) rspF3DBootEnd - (u8 *) rspF3DBootStart;
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task->ucode = rspAspMainStart;
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task->ucode_data = rspAspMainDataStart;
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task->ucode_size = 0x800; // (this size is ignored)
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task->ucode_data_size = (rspAspMainDataEnd - rspAspMainDataStart) * sizeof(u64);
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#endif
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task->dram_stack = NULL;
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task->dram_stack_size = 0;
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task->output_buff = NULL;
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task->output_buff_size = NULL;
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task->data_ptr = gAudioCmdBuffers[index];
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task->data_size = writtenCmds * sizeof(u64);
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task->yield_data_ptr = NULL;
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task->yield_data_size = 0;
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return gAudioTask;
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}
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#endif
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void eu_process_audio_cmd(struct EuAudioCmd *cmd) {
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s32 i;
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switch (cmd->u.s.op) {
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case 0x81:
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preload_sequence(cmd->u.s.arg2, 3);
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break;
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case 0x82:
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case 0x88:
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// load_sequence(arg1, arg2, 0);
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load_sequence(cmd->u.s.arg1, cmd->u.s.arg2, cmd->u.s.arg3);
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func_8031D690(cmd->u.s.arg1, cmd->u2.as_s32);
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break;
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case 0x83:
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if (gSequencePlayers[cmd->u.s.arg1].enabled != FALSE) {
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if (cmd->u2.as_s32 == 0) {
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sequence_player_disable(&gSequencePlayers[cmd->u.s.arg1]);
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}
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else {
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sequence_player_fade_out_internal(cmd->u.s.arg1, cmd->u2.as_s32);
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}
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}
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break;
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case 0xf0:
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gSoundMode = cmd->u2.as_s32;
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break;
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case 0xf1:
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for (i = 0; i < 4; i++) {
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gSequencePlayers[i].muted = TRUE;
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gSequencePlayers[i].recalculateVolume = TRUE;
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}
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break;
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case 0xf2:
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for (i = 0; i < 4; i++) {
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gSequencePlayers[i].muted = FALSE;
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gSequencePlayers[i].recalculateVolume = TRUE;
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}
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break;
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}
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}
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const char undefportcmd[] = "Undefined Port Command %d\n";
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extern OSMesgQueue *OSMesgQueues[];
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extern u8 D_EU_80302010;
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extern u8 D_EU_80302014;
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extern OSMesg OSMesg0;
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extern OSMesg OSMesg1;
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extern OSMesg OSMesg2;
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extern OSMesg OSMesg3;
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void sequence_player_fade_out_internal(s32 player, FadeT fadeOutTime) {
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if (fadeOutTime == 0) {
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fadeOutTime = 1;
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}
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gSequencePlayers[player].fadeVelocity = -(gSequencePlayers[player].fadeVolume / fadeOutTime);
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gSequencePlayers[player].state = 2;
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gSequencePlayers[player].fadeTimer = fadeOutTime;
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}
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void func_8031D690(s32 player, FadeT fadeInTime) {
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if (fadeInTime != 0) {
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gSequencePlayers[player].state = 1;
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gSequencePlayers[player].fadeTimerUnkEu = fadeInTime;
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gSequencePlayers[player].fadeTimer = fadeInTime;
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gSequencePlayers[player].fadeVolume = 0.0f;
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gSequencePlayers[player].fadeVelocity = 0.0f;
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}
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}
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void port_eu_init_queues(void) {
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D_EU_80302010 = 0;
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D_EU_80302014 = 0;
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osCreateMesgQueue(OSMesgQueues[0], &OSMesg0, 1);
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osCreateMesgQueue(OSMesgQueues[1], &OSMesg1, 4);
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osCreateMesgQueue(OSMesgQueues[2], &OSMesg2, 1);
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osCreateMesgQueue(OSMesgQueues[3], &OSMesg3, 1);
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}
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void func_802ad6f0(s32 arg0, s32 *arg1) {
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struct EuAudioCmd *cmd = &sAudioCmd[D_EU_80302010 & 0xff];
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cmd->u.first = arg0;
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cmd->u2.as_u32 = *arg1;
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D_EU_80302010++;
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}
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void func_802ad728(u32 arg0, f32 arg1) {
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func_802ad6f0(arg0, (s32*) &arg1);
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}
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void func_802ad74c(u32 arg0, u32 arg1) {
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func_802ad6f0(arg0, (s32*) &arg1);
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}
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void func_802ad770(u32 arg0, s8 arg1) {
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s32 sp1C = arg1 << 24;
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func_802ad6f0(arg0, &sp1C);
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}
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void func_802ad7a0(void) {
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osSendMesg(OSMesgQueues[1],
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(OSMesg)(u32)((D_EU_80302014 & 0xff) << 8 | (D_EU_80302010 & 0xff)),
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OS_MESG_NOBLOCK);
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D_EU_80302014 = D_EU_80302010;
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}
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void func_802ad7ec(u32 arg0) {
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struct EuAudioCmd *cmd;
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struct SequencePlayer *seqPlayer;
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struct SequenceChannel *chan;
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u8 end = arg0 & 0xff;
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u8 i = (arg0 >> 8) & 0xff;
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for (;;) {
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if (i == end) break;
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cmd = &sAudioCmd[i++ & 0xff];
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if (cmd->u.s.arg1 < SEQUENCE_PLAYERS) {
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seqPlayer = &gSequencePlayers[cmd->u.s.arg1];
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if ((cmd->u.s.op & 0x80) != 0) {
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eu_process_audio_cmd(cmd);
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}
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else if ((cmd->u.s.op & 0x40) != 0) {
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switch (cmd->u.s.op) {
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case 0x41:
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seqPlayer->fadeVolumeScale = cmd->u2.as_f32;
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seqPlayer->recalculateVolume = TRUE;
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break;
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case 0x47:
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seqPlayer->tempo = cmd->u2.as_s32 * TATUMS_PER_BEAT;
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break;
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case 0x48:
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seqPlayer->transposition = cmd->u2.as_s8;
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break;
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case 0x46:
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seqPlayer->seqVariationEu[cmd->u.s.arg3] = cmd->u2.as_s8;
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break;
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}
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}
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else if (seqPlayer->enabled != FALSE && cmd->u.s.arg2 < 0x10) {
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chan = seqPlayer->channels[cmd->u.s.arg2];
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if (IS_SEQUENCE_CHANNEL_VALID(chan))
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{
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switch (cmd->u.s.op) {
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case 1:
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chan->volumeScale = cmd->u2.as_f32;
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chan->changes.as_bitfields.volume = TRUE;
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break;
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case 2:
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chan->volume = cmd->u2.as_f32;
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chan->changes.as_bitfields.volume = TRUE;
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break;
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case 3:
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chan->newPan = cmd->u2.as_s8;
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chan->changes.as_bitfields.pan = TRUE;
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break;
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case 4:
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chan->freqScale = cmd->u2.as_f32;
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chan->changes.as_bitfields.freqScale = TRUE;
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break;
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case 5:
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chan->reverb = cmd->u2.as_s8;
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break;
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case 6:
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if (cmd->u.s.arg3 < 8) {
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chan->soundScriptIO[cmd->u.s.arg3] = cmd->u2.as_s8;
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}
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break;
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case 8:
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chan->stopSomething2 = cmd->u2.as_s8;
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}
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}
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}
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}
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cmd->u.s.op = 0;
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}
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}
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void port_eu_init(void) {
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port_eu_init_queues();
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}
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#endif
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