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really fix gpgx cd audio this time

This commit is contained in:
CasualPokePlayer 2024-04-27 05:34:29 -07:00
parent 72f345946e
commit eeebd39a11
2 changed files with 12 additions and 3 deletions
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Assets/dll/gpgx.wbx.zst
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15
waterbox/gpgx/cinterface/cdStreamImpl.c
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@ -19,6 +19,7 @@ struct cdStream_t
};
static cdStream cd_streams[128];
static cdStream audio_streams[128];
static cdStream subcode_streams[128];
static void cdStreamInit(cdStream* stream, toc_t* toc, int is_subcode)
@ -31,9 +32,15 @@ static void cdStreamInit(cdStream* stream, toc_t* toc, int is_subcode)
if (!is_subcode)
{
for (unsigned i = 0; i < toc->last; i++)
toc->tracks[0].fd = stream;
// audio tracks should be given a separate stream (to avoid conflicts for seeking)
cdStream* audio_stream = &audio_streams[cd_index];
memcpy(audio_stream, stream, sizeof(cdStream));
for (unsigned i = 1; i < toc->last; i++)
{
toc->tracks[i].fd = stream;
toc->tracks[i].fd = audio_stream;
}
}
}
@ -112,6 +119,7 @@ static void cdStreamGetSector(cdStream* restrict stream, uint8_t sector[SECTOR_D
size_t cdStreamRead(void* restrict buffer, size_t size, size_t count, cdStream* restrict stream)
{
uint8_t* restrict dest = buffer;
size_t bytes_to_read = size * count; // in practice, this shouldn't ever overflow
// we'll 0 fill the bytes past EOF, although we'll still report the bytes actually read
@ -133,7 +141,8 @@ size_t cdStreamRead(void* restrict buffer, size_t size, size_t count, cdStream*
bytes_to_copy = bytes_to_read;
}
memcpy(buffer, &sector[offset], bytes_to_copy);
memcpy(dest, &sector[offset], bytes_to_copy);
dest += bytes_to_copy;
bytes_to_read -= bytes_to_copy;
stream->current_offset += bytes_to_copy;