[vlc-devel] [PATCH] dv access module fix for the new libraw1394 2.0 API. Drop of old API code.
Francois Cartegnie
fcvlcdev at free.fr
Sat Jun 13 18:22:56 CEST 2009
---
modules/access/dv.c | 36 ++++++++++++++++++++++++++++--------
1 files changed, 28 insertions(+), 8 deletions(-)
diff --git a/modules/access/dv.c b/modules/access/dv.c
index fe4dfa7..3491eb2 100644
--- a/modules/access/dv.c
+++ b/modules/access/dv.c
@@ -99,7 +99,11 @@ typedef struct
} event_thread_t;
static void* Raw1394EventThread( vlc_object_t * );
-static int Raw1394Handler( raw1394handle_t, int, size_t, quadlet_t * );
+static enum raw1394_iso_disposition
+Raw1394Handler(raw1394handle_t, unsigned char *,
+ unsigned int, unsigned char,
+ unsigned char, unsigned char, unsigned int,
+ unsigned int);
static int Raw1394GetNumPorts( access_t *p_access );
static raw1394handle_t Raw1394Open( access_t *, int );
@@ -131,6 +135,9 @@ struct access_sys_t
block_t *p_frame;
};
+#define ISOCHRONOUS_QUEUE_LENGTH 1000
+#define ISOCHRONOUS_MAX_PACKET_SIZE 4096
+
/*****************************************************************************
* Open: open the file
*****************************************************************************/
@@ -141,7 +148,7 @@ static int Open( vlc_object_t *p_this )
char *psz_name = strdup( p_access->psz_path );
struct raw1394_portinfo port_inf[ 16 ];
- iso_handler_t oldhandler;
+ raw1394_iso_recv_handler_t handler;
msg_Dbg( p_access, "opening device %s", psz_name );
@@ -212,10 +219,18 @@ static int Open( vlc_object_t *p_this )
return VLC_EGENERIC;
}
- oldhandler = raw1394_set_iso_handler( p_sys->p_raw1394,
- p_sys->i_channel, Raw1394Handler );
+ if ( raw1394_iso_recv_init( p_sys->p_raw1394, Raw1394Handler,
+ ISOCHRONOUS_QUEUE_LENGTH, ISOCHRONOUS_MAX_PACKET_SIZE,
+ p_sys->i_channel, RAW1394_DMA_PACKET_PER_BUFFER, -1 ) < 0 )
+ {
+ msg_Err( p_access, "failed to init isochronous recv for %s", psz_name );
+ Close( p_this );
+ free( psz_name );
+ return VLC_EGENERIC;
+ }
+
raw1394_set_userdata( p_sys->p_raw1394, p_access );
- raw1394_start_iso_rcv( p_sys->p_raw1394, p_sys->i_channel );
+ raw1394_iso_recv_start( p_sys->p_raw1394, -1, -1, 0 );
p_sys->raw1394_poll.fd = raw1394_get_fd( p_sys->p_raw1394 );
p_sys->raw1394_poll.events = POLLIN | POLLPRI;
@@ -258,7 +273,7 @@ static void Close( vlc_object_t *p_this )
vlc_object_kill( p_sys->p_ev );
if( p_sys->p_raw1394 )
- raw1394_stop_iso_rcv( p_sys->p_raw1394, p_sys->i_channel );
+ raw1394_iso_shutdown( p_sys->p_raw1394 );
vlc_mutex_destroy( &p_sys->p_ev->lock );
vlc_thread_join( p_sys->p_ev );
@@ -381,7 +396,11 @@ static void* Raw1394EventThread( vlc_object_t *p_this )
return NULL;
}
-static int Raw1394Handler( raw1394handle_t handle, int channel, size_t length, quadlet_t *data )
+static enum raw1394_iso_disposition
+Raw1394Handler(raw1394handle_t handle, unsigned char *data,
+ unsigned int length, unsigned char channel,
+ unsigned char tag, unsigned char sy, unsigned int cycle,
+ unsigned int dropped)
{
access_t *p_access = NULL;
access_sys_t *p_sys = NULL;
@@ -395,7 +414,7 @@ static int Raw1394Handler( raw1394handle_t handle, int channel, size_t length, q
/* skip empty packets */
if( length > 16 )
{
- unsigned char * p = ( unsigned char* ) &data[ 3 ];
+ unsigned char * p = data + 8;
int section_type = p[ 0 ] >> 5; /* section type is in bits 5 - 7 */
int dif_sequence = p[ 1 ] >> 4; /* dif sequence number is in bits 4 - 7 */
int dif_block = p[ 2 ];
@@ -451,6 +470,7 @@ static int Raw1394Handler( raw1394handle_t handle, int channel, size_t length, q
break;
}
}
+
vlc_mutex_unlock( &p_sys->p_ev->lock );
}
return 0;
--
1.6.2.4
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