BOOL ovd_parse_stream(ovd_stream_buf* buf)
{
ovd_handle* handle = (ovd_handle*)buf->handle;
ogg_sync_wrote(handle->oy, buf->len);
if (ogg_sync_pageout(handle->oy, &handle->og) != 1)
goto fail;
// ogg_stream_init(&handle->os, ogg_page_serialno(&handle->og));
handle->os = ogg_stream_create(ogg_page_serialno(&handle->og));
vorbis_info_init(&handle->vi);
vorbis_comment_init(&handle->vc);
if (ogg_stream_pagein(handle->os, &handle->og) < 0)
goto fail;
if (ogg_stream_packetout(handle->os,&handle->op) != 1)
goto fail;
if (vorbis_synthesis_headerin(&handle->vi, &handle->vc, &handle->op) < 0)
goto fail;
handle->init = 0;
handle->eof = 0;
ovd_header_init(handle);
buf->buf = ogg_sync_bufferin(handle->oy, OVD_STREAM_BUF_LEN);
buf->len = OVD_STREAM_BUF_LEN;
return TRUE;
fail:
// ogg_sync_init(&handle->oy);
handle->oy = ogg_sync_create();
buf->buf = ogg_sync_bufferin(handle->oy, OVD_STREAM_BUF_LEN);
buf->len = OVD_STREAM_BUF_LEN;
return FALSE;
}
/* read a little more data from the file/pipe into the ogg_sync framer */
static long _get_data(OggVorbis_File *vf){
errno=0;
if(vf->datasource){
unsigned char *buffer=ogg_sync_bufferin(vf->oy,CHUNKSIZE);
long bytes=(vf->callbacks.read_func)(buffer,1,CHUNKSIZE,vf->datasource);
if(bytes>0)ogg_sync_wrote(vf->oy,bytes);
if(bytes==0 && errno)return(-1);
return(bytes);
}else
return(0);
}
ovd_stream_buf* ovd_init_stream()
{
ovd_handle* handle = new ovd_handle;
memset(handle, 0, sizeof(ovd_handle));
// ogg_sync_init(&handle->oy);
handle->oy = ogg_sync_create();
ovd_stream_buf* ret = new ovd_stream_buf;
ret->handle = (HANDLE)handle;
ret->buf = ogg_sync_bufferin(handle->oy, OVD_STREAM_BUF_LEN);
ret->len = OVD_STREAM_BUF_LEN;
return ret;
}
/* read a little more data from the file/pipe into the ogg_sync framer */
static long _get_data(OggVorbis_File *vf){
errno=0;
if(vf->datasource){
unsigned char *buffer=ogg_sync_bufferin(vf->oy,CHUNKSIZE);
long bytes=(vf->callbacks.read_func)(buffer,1,CHUNKSIZE,vf->datasource);
if(bytes>0)ogg_sync_wrote(vf->oy,bytes);
#ifndef GEKKO
else if(bytes==0 && errno )
#else
// Not sure what is up with this... appears that EOVERFLOW is set whenever
// we read to the end of the file...
// original patch by raz0red for Mednafen-Wii
else if(bytes==0 && errno && errno != EOVERFLOW )
#endif
{
return(-1);
}
return(bytes);
}else
BOOL ovd_reparse_stream(ovd_stream_buf* buf)
{
ovd_handle* handle = (ovd_handle*)buf->handle;
if (buf->len) {
ogg_sync_wrote(handle->oy, buf->len);
int result = ogg_sync_pageout(handle->oy, &handle->og);
if (result == 0) {
buf->len = OVD_STREAM_BUF_LEN;
return TRUE;
}
else if (result < 0)
return FALSE;
}
// ogg_stream_init(&handle->os, ogg_page_serialno(&handle->og));
handle->os = ogg_stream_create(ogg_page_serialno(&handle->og));
vorbis_info_init(&handle->vi);
vorbis_comment_init(&handle->vc);
if (ogg_stream_pagein(handle->os, &handle->og) < 0)
return FALSE;
if (ogg_stream_packetout(handle->os,&handle->op) != 1)
return FALSE;
if (vorbis_synthesis_headerin(&handle->vi, &handle->vc, &handle->op) < 0)
return FALSE;
handle->init = 0;
handle->eof = 0;
ovd_header_init(handle);
buf->buf = ogg_sync_bufferin(handle->oy, OVD_STREAM_BUF_LEN);
buf->len = OVD_STREAM_BUF_LEN;
return TRUE;
}
