dolphin/Source/Plugins/Plugin_DSP_NULL/Src/UCodes/UCode_AXStructs.h

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// Copyright (C) 2003-2008 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef UCODE_AX_STRUCTS
#define UCODE_AX_STRUCTS
struct PBMixer
{
u16 volume_left;
u16 unknown;
u16 volume_right;
u16 unknown2;
u16 unknown3[8];
u16 unknown4[6];
};
struct PBInitialTimeDelay
{
u16 unknown[7];
};
// Update data - read these each 1ms subframe and use them!
// It seems that to provide higher time precisions for MIDI events, some games
// use this thing to update the parameter blocks per 1ms sub-block (a block is 5ms).
// Using this data should fix games that are missing MIDI notes.
struct PBUpdates
{
u16 num_updates[5];
u16 data_hi; // These point to main RAM. Not sure about the structure of the data.
u16 data_lo;
};
struct PBUnknown
{
s16 unknown[9];
};
struct PBVolumeEnvelope
{
u16 cur_volume;
s16 cur_volume_delta;
};
struct PBUnknown2
{
u16 unknown_reserved[3];
};
struct PBAudioAddr
{
u16 looping;
u16 sample_format;
u16 loop_addr_hi; // Start of loop (this will point to a shared "zero" buffer if one-shot mode is active)
u16 loop_addr_lo;
u16 end_addr_hi; // End of sample (and loop), inclusive
u16 end_addr_lo;
u16 cur_addr_hi;
u16 cur_addr_lo;
};
struct PBADPCMInfo
{
s16 coefs[16];
u16 unknown;
u16 pred_scale;
s16 yn1;
s16 yn2;
};
struct PBSampleRateConverter
{
u16 ratio_hi;
u16 ratio_lo;
u16 cur_addr_frac;
u16 last_samples[4];
};
struct PBADPCMLoopInfo
{
u16 pred_scale;
u16 yn1;
u16 yn2;
};
struct AXParamBlock
{
u16 next_pb_hi;
u16 next_pb_lo;
u16 this_pb_hi;
u16 this_pb_lo;
u16 src_type; // Type of sample rate converter (none, ?, linear)
u16 unknown1;
u16 mixer_control;
u16 running; // 1=RUN 0=STOP
u16 is_stream; // 1 = stream, 0 = one shot
PBMixer mixer;
PBInitialTimeDelay initial_time_delay;
PBUpdates updates;
PBUnknown unknown2;
PBVolumeEnvelope vol_env;
PBUnknown2 unknown3;
PBAudioAddr audio_addr;
PBADPCMInfo adpcm;
PBSampleRateConverter src;
PBADPCMLoopInfo adpcm_loop_info;
u16 unknown_maybe_padding[3];
};
enum {
AUDIOFORMAT_ADPCM = 0,
AUDIOFORMAT_PCM8 = 0x19,
AUDIOFORMAT_PCM16 = 0xA,
};
enum {
SRCTYPE_LINEAR = 1,
SRCTYPE_NEAREST = 2,
MIXCONTROL_RAMPING = 8,
};
#endif