gstreamer/ext/mikmod/mikmod_reader.c
Thomas Vander Stichele 5d25c00e4b gst-indent
Original commit message from CVS:
gst-indent
2004-03-14 22:34:33 +00:00

113 lines
2 KiB
C

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <unistd.h>
#include <string.h>
#include "gstmikmod.h"
extern int need_sync;
static BOOL GST_READER_Eof (MREADER * reader);
static BOOL GST_READER_Read (MREADER * reader, void *ptr, size_t size);
static int GST_READER_Get (MREADER * reader);
static BOOL GST_READER_Seek (MREADER * reader, long offset, int whence);
static long GST_READER_Tell (MREADER * reader);
static BOOL
GST_READER_Eof (MREADER * reader)
{
GST_READER *gst_reader;
gst_reader = (GST_READER *) reader;
return gst_reader->eof;
}
static BOOL
GST_READER_Read (MREADER * reader, void *ptr, size_t size)
{
GST_READER *gst_reader;
gst_reader = (GST_READER *) reader;
memcpy (ptr, GST_BUFFER_DATA (gst_reader->mik->Buffer) + gst_reader->offset,
size);
gst_reader->offset = gst_reader->offset + size;
return 1;
}
static int
GST_READER_Get (MREADER * reader)
{
GST_READER *gst_reader;
int res;
gst_reader = (GST_READER *) reader;
res = *(GST_BUFFER_DATA (gst_reader->mik->Buffer) + gst_reader->offset);
gst_reader->offset += 1;
return res;
}
static BOOL
GST_READER_Seek (MREADER * reader, long offset, int whence)
{
GST_READER *gst_reader;
gst_reader = (GST_READER *) reader;
if (whence == SEEK_SET)
gst_reader->offset = offset;
else
gst_reader->offset += offset;
return 1;
}
static long
GST_READER_Tell (MREADER * reader)
{
GST_READER *gst_reader;
gst_reader = (GST_READER *) reader;
return gst_reader->offset;
}
MREADER *
GST_READER_new (GstMikMod * mik)
{
GST_READER *gst_reader;
gst_reader = (GST_READER *) g_malloc (sizeof (GST_READER));
gst_reader->offset = 0;
gst_reader->eof = 0;
gst_reader->mik = mik;
if (gst_reader) {
gst_reader->core.Eof = &GST_READER_Eof;
gst_reader->core.Read = &GST_READER_Read;
gst_reader->core.Get = &GST_READER_Get;
gst_reader->core.Seek = &GST_READER_Seek;
gst_reader->core.Tell = &GST_READER_Tell;
}
return (MREADER *) gst_reader;
}
void
GST_READER_free (MREADER * reader)
{
if (reader)
g_free (reader);
}