ppsspp/Core/HLE/sceMpeg.h
2022-10-06 22:45:18 -07:00

90 lines
2.9 KiB
C++

// Copyright (c) 2012- PPSSPP 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 or later versions.
// 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 git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#pragma once
#include "Common/CommonTypes.h"
#include "Common/Swap.h"
class PointerWrap;
enum {
ERROR_MPEG_BAD_VERSION = 0x80610002,
ERROR_MPEG_NO_MEMORY = 0x80610022,
ERROR_MPEG_INVALID_ADDR = 0x80610103,
ERROR_MPEG_INVALID_VALUE = 0x806101fe,
ERROR_MPEG_NO_DATA = 0x80618001,
ERROR_MPEG_ALREADY_INIT = 0x80618005,
ERROR_MPEG_NOT_YET_INIT = 0x80618009,
ERROR_MPEG_AVC_INVALID_VALUE = 0x806201fe,
ERROR_MPEG_AVC_DECODE_FATAL = 0x80628002,
};
// MPEG statics.
static const u32 PSMF_MAGIC = 0x464D5350;
static const int PSMF_STREAM_VERSION_OFFSET = 0x4;
static const int PSMF_STREAM_OFFSET_OFFSET = 0x8;
static const int PSMF_STREAM_SIZE_OFFSET = 0xC;
static const int PSMF_FIRST_TIMESTAMP_OFFSET = 0x54;
static const int PSMF_LAST_TIMESTAMP_OFFSET = 0x5A;
static const int PSMF_VIDEO_STREAM_ID = 0xE0;
static const int PSMF_AUDIO_STREAM_ID = 0xBD;
struct SceMpegAu {
s64_le pts; // presentation time stamp
s64_le dts; // decode time stamp
u32_le esBuffer; // WARNING: We abuse this to keep track of the stream number!
u32_le esSize;
void read(u32 addr);
void write(u32 addr);
};
// As native in PSP ram
struct SceMpegRingBuffer {
// PSP info
s32_le packets;
// Misused: this is used as total read, but should be read offset (within ring.)
s32_le packetsRead;
s32_le packetsWritePos;
s32_le packetsAvail; // pspsdk: unk2, noxa: iUnk0
s32_le packetSize; // 2048
u32_le data; // address, ring buffer
u32_le callback_addr; // see sceMpegRingbufferPut
s32_le callback_args;
s32_le dataUpperBound;
s32_le semaID; // unused?
u32_le mpeg; // pointer to mpeg struct, fixed up in sceMpegCreate
// Note: not available in all versions.
u32_le gp;
};
void __MpegInit();
void __MpegDoState(PointerWrap &p);
void __MpegShutdown();
void __MpegLoadModule(int version, u32 crc);
void Register_sceMpeg();
void Register_sceMpegbase();
void __VideoPmpInit();
void __VideoPmpDoState(PointerWrap &p);
void __VideoPmpShutdown();