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sceMpegGetUserDataAu: return ERROR_MPEG_NO_DATA. Add some notes for later implementing mpeg user data. Fixes part of #2172. Thanks to [unknown]

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This commit is contained in:
Henrik Rydgard 2013-06-11 19:22:08 +02:00
parent 04df8ac4dc
commit b8959b956b
2 changed files with 35 additions and 25 deletions
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6
Core/HLE/sceMpeg.cpp
View File

@ -1323,10 +1323,14 @@ int sceMpegAvcConvertToYuv420(u32 mpeg, u32 bufferOutput, u32 unknown1, int unkn
int sceMpegGetUserdataAu(u32 mpeg, u32 streamUid, u32 auAddr, u32 resultAddr)
{
ERROR_LOG(HLE, "UNIMPL sceMpegGetUserdataAu(%08x, %08x, %08x, %08x)", mpeg, streamUid, auAddr, resultAddr);
// TODO: Are these at all right? Seen in Phantasy Star Portable 2.
Memory::Write_U32(0, resultAddr);
Memory::Write_U32(0, resultAddr + 4);
return 0;
// We currently can't demux userdata so this seems like the best thing to return in the meantime..
// Then we probably shouldn't do the above writes? but it works...
return ERROR_MPEG_NO_DATA;
}
const HLEFunction sceMpeg[] =

54
Core/HW/MpegDemux.cpp
View File

@ -3,6 +3,9 @@
const int PACKET_START_CODE_MASK = 0xffffff00;
const int PACKET_START_CODE_PREFIX = 0x00000100;
// http://dvd.sourceforge.net/dvdinfo/mpeghdrs.html
const int USER_DATA_START_CODE = 0x000001b2;
const int SEQUENCE_START_CODE = 0x000001b3;
const int EXT_START_CODE = 0x000001b5;
const int SEQUENCE_END_CODE = 0x000001b7;
@ -156,33 +159,36 @@ void MpegDemux::demux(int audioChannel)
startCode = (startCode << 8) | read8();
}
switch (startCode) {
case PACK_START_CODE: {
skip(10);
break;
}
case SYSTEM_HEADER_START_CODE: {
skip(14);
break;
}
case PADDING_STREAM:
case PRIVATE_STREAM_2: {
case PACK_START_CODE:
skip(10);
break;
case SYSTEM_HEADER_START_CODE:
skip(14);
break;
case PADDING_STREAM:
case PRIVATE_STREAM_2:
{
int length = read16();
skip(length);
break;
}
case PRIVATE_STREAM_1: {
// Audio stream
m_audioChannel = demuxStream(true, startCode, m_audioChannel);
break;
}
case 0x1E0: case 0x1E1: case 0x1E2: case 0x1E3:
case 0x1E4: case 0x1E5: case 0x1E6: case 0x1E7:
case 0x1E8: case 0x1E9: case 0x1EA: case 0x1EB:
case 0x1EC: case 0x1ED: case 0x1EE: case 0x1EF: {
// Video Stream
demuxStream(false, startCode, -1);
break;
}
case PRIVATE_STREAM_1: {
// Audio stream
m_audioChannel = demuxStream(true, startCode, m_audioChannel);
break;
}
case 0x1E0: case 0x1E1: case 0x1E2: case 0x1E3:
case 0x1E4: case 0x1E5: case 0x1E6: case 0x1E7:
case 0x1E8: case 0x1E9: case 0x1EA: case 0x1EB:
case 0x1EC: case 0x1ED: case 0x1EE: case 0x1EF:
// Video Stream
demuxStream(false, startCode, -1);
break;
case USER_DATA_START_CODE:
// User data, probably same as queried by sceMpegGetUserdataAu.
// Not sure what exactly to do or how much to read.
// TODO: implement properly.
break;
}
}
}
@ -191,4 +197,4 @@ int MpegDemux::getaudioStream(u8** audioStream)
{
*audioStream = m_audioStream;
return m_audiopos;
}
}