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Diffstat (limited to 'ext/musepack/gstmusepackreader.c')
-rw-r--r--ext/musepack/gstmusepackreader.c124
1 files changed, 59 insertions, 65 deletions
diff --git a/ext/musepack/gstmusepackreader.c b/ext/musepack/gstmusepackreader.c
index 07fbcf3d..230d7a3c 100644
--- a/ext/musepack/gstmusepackreader.c
+++ b/ext/musepack/gstmusepackreader.c
@@ -26,32 +26,23 @@
#include "gstmusepackreader.h"
-GstMusepackReader::GstMusepackReader (GstByteStream *bs)
-{
- this->bs = bs;
- this->eos = false;
-}
-
-GstMusepackReader::~GstMusepackReader (void)
-{
-}
-
-mpc_int32_t
-GstMusepackReader::read (void * ptr, mpc_int32_t size)
+static mpc_int32_t
+gst_musepack_reader_peek (void *this, void *ptr, mpc_int32_t size)
{
+ GstByteStream *bs = this;
guint8 *data;
gint read;
do {
- read = gst_bytestream_peek_bytes (this->bs, &data, size);
+ read = gst_bytestream_peek_bytes (bs, &data, size);
if (read != size) {
GstEvent *event;
guint32 remaining;
- gst_bytestream_get_status (this->bs, &remaining, &event);
+ gst_bytestream_get_status (bs, &remaining, &event);
if (!event) {
- GST_ELEMENT_ERROR (gst_pad_get_parent (this->bs->pad),
+ GST_ELEMENT_ERROR (gst_pad_get_parent (bs->pad),
RESOURCE, READ, (NULL), (NULL));
goto done;
}
@@ -61,14 +52,16 @@ GstMusepackReader::read (void * ptr, mpc_int32_t size)
gst_event_unref (event);
goto done;
case GST_EVENT_EOS:
- this->eos = true;
gst_event_unref (event);
goto done;
case GST_EVENT_FLUSH:
gst_event_unref (event);
break;
+ case GST_EVENT_DISCONTINUOUS:
+ gst_event_unref (event);
+ break;
default:
- gst_pad_event_default (this->bs->pad, event);
+ gst_pad_event_default (bs->pad, event);
break;
}
}
@@ -77,75 +70,76 @@ GstMusepackReader::read (void * ptr, mpc_int32_t size)
done:
if (read != 0) {
memcpy (ptr, data, read);
- gst_bytestream_flush_fast (this->bs, read);
}
return read;
}
-bool
-GstMusepackReader::seek (mpc_int32_t offset)
+static mpc_int32_t
+gst_musepack_reader_read (void *this, void *ptr, mpc_int32_t size)
{
- guint8 *dummy;
+ GstByteStream *bs = this;
+ gint read;
+
+ /* read = peek + flush */
+ if ((read = gst_musepack_reader_peek (this, ptr, size)) > 0) {
+ gst_bytestream_flush_fast (bs, read);
+ }
+
+ return read;
+}
+
+static BOOL
+gst_musepack_reader_seek (void *this, mpc_int32_t offset)
+{
+ GstByteStream *bs = this;
+ guint8 dummy;
/* hacky hack - if we're after typefind, we'll fail because
* typefind is still typefinding (heh :) ). So read first. */
- if (this->tell () != this->get_size ()) {
- guint8 dummy2[1];
- this->read (dummy2, 1);
- }
+ gst_musepack_reader_peek (this, &dummy, 1);
- if (!gst_bytestream_seek (this->bs, offset, GST_SEEK_METHOD_SET))
+ /* seek */
+ if (!gst_bytestream_seek (bs, offset, GST_SEEK_METHOD_SET))
return FALSE;
/* get discont */
- while (gst_bytestream_peek_bytes (this->bs, &dummy, 1) != 1) {
- GstEvent *event;
- guint32 remaining;
-
- gst_bytestream_get_status (this->bs, &remaining, &event);
- if (!event) {
- GST_ELEMENT_ERROR (gst_pad_get_parent (this->bs->pad),
- RESOURCE, SEEK, (NULL), (NULL));
- return false;
- }
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- g_warning ("EOS!");
- gst_event_unref (event);
- return false;
- case GST_EVENT_DISCONTINUOUS:
- gst_event_unref (event);
- return true;
- case GST_EVENT_INTERRUPT:
- g_warning ("interrupt!");
- return false;
- case GST_EVENT_FLUSH:
- gst_event_unref (event);
- break;
- default:
- gst_pad_event_default (this->bs->pad, event);
- break;
- }
- }
+ if (gst_musepack_reader_peek (this, &dummy, 1) != 1)
+ return FALSE;
- return false;
+ return TRUE;
}
-mpc_int32_t
-GstMusepackReader::tell (void)
+static mpc_int32_t
+gst_musepack_reader_tell (void *this)
{
- return gst_bytestream_tell (this->bs);
+ GstByteStream *bs = this;
+
+ return gst_bytestream_tell (bs);
+}
+
+static mpc_int32_t
+gst_musepack_reader_get_size (void *this)
+{
+ GstByteStream *bs = this;
+
+ return gst_bytestream_length (bs);
}
-mpc_int32_t
-GstMusepackReader::get_size (void)
+static BOOL
+gst_musepack_reader_canseek (void *this)
{
- return gst_bytestream_length (this->bs);
+ return TRUE;
}
-bool
-GstMusepackReader::canseek (void)
+void
+gst_musepack_init_reader (mpc_reader * r, GstByteStream * bs)
{
- return true;
+ r->data = bs;
+
+ r->read = gst_musepack_reader_read;
+ r->seek = gst_musepack_reader_seek;
+ r->tell = gst_musepack_reader_tell;
+ r->get_size = gst_musepack_reader_get_size;
+ r->canseek = gst_musepack_reader_canseek;
}