update iso API for multi-channel reception and new packet buffer layout

git-svn-id: svn://svn.linux1394.org/libraw1394/trunk@98 53a565d1-3bb7-0310-b661-cf11e63c67ab

1 files changed, 6 insertions, 3 deletions

diff --git a/src/raw1394_private.h b/src/raw1394_private.h
index 9c0b345..98e073d 100644
--- a/src/raw1394_private.h
+++ b/src/raw1394_private.h
@@ -27,8 +27,11 @@ struct raw1394_handle {
 
 	/* memory mapping of the DMA buffer */
 	unsigned char *iso_buffer;
-	unsigned long  iso_buffer_bytes;
-	
+
+	/* iso XMIT only: */
+	unsigned int iso_buf_stride; /* offset between successive packets */
+	unsigned int next_packet; /* index of next packet to be transmitted */
+
 	/* status buffer, updated from _raw1394_iso_iterate() */
 	struct raw1394_iso_status iso_status;
 	unsigned int iso_packets_dropped;
@@ -36,7 +39,7 @@ struct raw1394_handle {
 	/* user-supplied handlers */
 	raw1394_iso_xmit_handler_t iso_xmit_handler;
 	raw1394_iso_recv_handler_t iso_recv_handler;
-	
+
         struct raw1394_request req;
         quadlet_t buffer[HBUF_SIZE/4]; /* 2048 */
 };