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-rw-r--r--ext/raw1394/gstdv1394src.c408
1 files changed, 212 insertions, 196 deletions
diff --git a/ext/raw1394/gstdv1394src.c b/ext/raw1394/gstdv1394src.c
index a044d0f3..9509ea2c 100644
--- a/ext/raw1394/gstdv1394src.c
+++ b/ext/raw1394/gstdv1394src.c
@@ -31,84 +31,85 @@
#define NTSC_FRAMESIZE 120000
/* Filter signals and args */
-enum {
+enum
+{
/* FILL ME */
LAST_SIGNAL
};
-enum {
+enum
+{
ARG_0,
ARG_CONSECUTIVE,
ARG_SKIP,
ARG_DROP_INCOMPLETE,
};
-static GstElementDetails gst_dv1394src_details = GST_ELEMENT_DETAILS (
- "Firewire (1394) DV Source",
- "Source/Video",
- "Source for DV video data from firewire port",
- "Erik Walthinsen <omega@temple-baptist.com>\n"
- "Daniel Fischer <dan@f3c.com>"
-);
+static GstElementDetails gst_dv1394src_details =
+GST_ELEMENT_DETAILS ("Firewire (1394) DV Source",
+ "Source/Video",
+ "Source for DV video data from firewire port",
+ "Erik Walthinsen <omega@temple-baptist.com>\n"
+ "Daniel Fischer <dan@f3c.com>");
#if 0
-static GstPadTemplate*
+static GstPadTemplate *
gst_dv1394src_factory (void)
{
static GstPadTemplate *template = NULL;
if (!template) {
- template = gst_pad_template_new (
- "src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (
- "dv1394src",
- "video/dv",
- gst_props_new (
- "format", GST_PROPS_LIST (
- G_TYPE_STRING ("NTSC"),
- G_TYPE_STRING ("PAL")
- ),
- NULL)
- ),
- NULL);
+ template = gst_pad_template_new ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("dv1394src",
+ "video/dv",
+ gst_props_new ("format", GST_PROPS_LIST (G_TYPE_STRING ("NTSC"),
+ G_TYPE_STRING ("PAL")
+ ), NULL)
+ ), NULL);
}
return template;
}
#endif
-static void gst_dv1394src_base_init (gpointer g_class);
-static void gst_dv1394src_class_init (GstDV1394SrcClass *klass);
-static void gst_dv1394src_init (GstDV1394Src *filter);
+static void gst_dv1394src_base_init (gpointer g_class);
+static void gst_dv1394src_class_init (GstDV1394SrcClass * klass);
+static void gst_dv1394src_init (GstDV1394Src * filter);
-static void gst_dv1394src_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
-static void gst_dv1394src_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+static void gst_dv1394src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_dv1394src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
-static GstElementStateReturn gst_dv1394src_change_state (GstElement *element);
+static GstElementStateReturn gst_dv1394src_change_state (GstElement * element);
-static GstData * gst_dv1394src_get (GstPad *pad);
+static GstData *gst_dv1394src_get (GstPad * pad);
static GstElementClass *parent_class = NULL;
+
/*static guint gst_filter_signals[LAST_SIGNAL] = { 0 }; */
GType
-gst_dv1394src_get_type(void) {
+gst_dv1394src_get_type (void)
+{
static GType gst_dv1394src_type = 0;
if (!gst_dv1394src_type) {
static const GTypeInfo gst_dv1394src_info = {
- sizeof(GstDV1394Src),
+ sizeof (GstDV1394Src),
gst_dv1394src_base_init,
NULL,
- (GClassInitFunc)gst_dv1394src_class_init,
+ (GClassInitFunc) gst_dv1394src_class_init,
NULL,
NULL,
- sizeof(GstDV1394Src),
+ sizeof (GstDV1394Src),
0,
- (GInstanceInitFunc)gst_dv1394src_init,
+ (GInstanceInitFunc) gst_dv1394src_init,
};
- gst_dv1394src_type = g_type_register_static(GST_TYPE_ELEMENT, "DV1394Src", &gst_dv1394src_info, 0);
+ gst_dv1394src_type =
+ g_type_register_static (GST_TYPE_ELEMENT, "DV1394Src",
+ &gst_dv1394src_info, 0);
}
return gst_dv1394src_type;
}
@@ -122,25 +123,26 @@ gst_dv1394src_base_init (gpointer g_class)
}
static void
-gst_dv1394src_class_init (GstDV1394SrcClass *klass)
+gst_dv1394src_class_init (GstDV1394SrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
- g_object_class_install_property( G_OBJECT_CLASS(klass), ARG_CONSECUTIVE,
- g_param_spec_int("consecutive","consecutive frames","send n consecutive frames after skipping",
- 1, G_MAXINT,1,G_PARAM_READWRITE));
- g_object_class_install_property( G_OBJECT_CLASS(klass), ARG_SKIP,
- g_param_spec_int("skip","skip frames","skip n frames",
- 0, G_MAXINT,1,G_PARAM_READWRITE));
- g_object_class_install_property( G_OBJECT_CLASS(klass), ARG_DROP_INCOMPLETE,
- g_param_spec_boolean("drop_incomplete","drop_incomplete","drop incomplete frames",
- TRUE, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CONSECUTIVE,
+ g_param_spec_int ("consecutive", "consecutive frames",
+ "send n consecutive frames after skipping", 1, G_MAXINT, 1,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SKIP,
+ g_param_spec_int ("skip", "skip frames", "skip n frames", 0, G_MAXINT, 1,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DROP_INCOMPLETE,
+ g_param_spec_boolean ("drop_incomplete", "drop_incomplete",
+ "drop incomplete frames", TRUE, G_PARAM_READWRITE));
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
gobject_class->set_property = gst_dv1394src_set_property;
gobject_class->get_property = gst_dv1394src_get_property;
@@ -149,7 +151,7 @@ gst_dv1394src_class_init (GstDV1394SrcClass *klass)
}
static void
-gst_dv1394src_init (GstDV1394Src *dv1394src)
+gst_dv1394src_init (GstDV1394Src * dv1394src)
{
dv1394src->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_pad_set_get_function (dv1394src->srcpad, gst_dv1394src_get);
@@ -158,188 +160,199 @@ gst_dv1394src_init (GstDV1394Src *dv1394src)
dv1394src->card = 0;
dv1394src->port = 0;
dv1394src->channel = 63;
-
+
dv1394src->consecutive = 1;
dv1394src->skip = 0;
dv1394src->drop_incomplete = TRUE;
-
+
/* initialized when first header received */
- dv1394src->frameSize=0;
-
+ dv1394src->frameSize = 0;
+
dv1394src->buf = NULL;
dv1394src->frame = NULL;
dv1394src->frameSequence = 0;
}
static void
-gst_dv1394src_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_dv1394src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
GstDV1394Src *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_DV1394SRC(object));
- filter = GST_DV1394SRC(object);
+ g_return_if_fail (GST_IS_DV1394SRC (object));
+ filter = GST_DV1394SRC (object);
switch (prop_id) {
case ARG_SKIP:
- filter->skip = g_value_get_int(value);
- break;
+ filter->skip = g_value_get_int (value);
+ break;
case ARG_CONSECUTIVE:
- filter->consecutive = g_value_get_int(value);
- break;
+ filter->consecutive = g_value_get_int (value);
+ break;
case ARG_DROP_INCOMPLETE:
- filter->drop_incomplete = g_value_get_boolean(value);
- break;
+ filter->drop_incomplete = g_value_get_boolean (value);
+ break;
default:
break;
}
}
static void
-gst_dv1394src_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_dv1394src_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
GstDV1394Src *filter;
/* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_DV1394SRC(object));
- filter = GST_DV1394SRC(object);
+ g_return_if_fail (GST_IS_DV1394SRC (object));
+ filter = GST_DV1394SRC (object);
switch (prop_id) {
case ARG_SKIP:
- g_value_set_int( value, filter->skip );
- break;
+ g_value_set_int (value, filter->skip);
+ break;
case ARG_CONSECUTIVE:
- g_value_set_int( value, filter->consecutive );
- break;
+ g_value_set_int (value, filter->consecutive);
+ break;
case ARG_DROP_INCOMPLETE:
- g_value_set_boolean( value, filter->drop_incomplete );
- break;
+ g_value_set_boolean (value, filter->drop_incomplete);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-static
-int gst_dv1394src_iso_receive(raw1394handle_t handle,int channel,size_t len,quadlet_t *data) {
- GstDV1394Src *dv1394src = GST_DV1394SRC (raw1394_get_userdata(handle));
+static int
+gst_dv1394src_iso_receive (raw1394handle_t handle, int channel, size_t len,
+ quadlet_t * data)
+{
+ GstDV1394Src *dv1394src = GST_DV1394SRC (raw1394_get_userdata (handle));
if (len > 16) {
- /*
- the following code taken from kino-0.51 (Dan Dennedy/Charles Yates)
- */
- unsigned char *p = (unsigned char*) & data[3];
- 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];
-
- /* if we are at the beginning of a frame,
- we set buf=frame, and alloc a new buffer for frame
- */
-
- if (section_type == 0 && dif_sequence == 0) { // dif header
-
- if( !dv1394src->negotiated) {
- // figure format (NTSC/PAL)
- if( p[3] & 0x80 ) {
- // PAL
- dv1394src->frameSize = PAL_FRAMESIZE;
- GST_DEBUG ("PAL data");
- if (gst_pad_try_set_caps (dv1394src->srcpad,
- gst_caps_new_simple ("video/dv",
- "format", G_TYPE_STRING, "PAL", NULL)) <= 0) {
- GST_ELEMENT_ERROR (dv1394src, CORE, NEGOTIATION, (NULL),
- ("Could not set source caps for PAL"));
- return 0;
- }
- } else {
- // NTSC (untested)
- dv1394src->frameSize = NTSC_FRAMESIZE;
- GST_DEBUG ("NTSC data [untested] - please report success/failure to <dan@f3c.com>");
- if (gst_pad_try_set_caps (dv1394src->srcpad,
- gst_caps_new_simple ("video/dv",
- "format", G_TYPE_STRING, "NTSC", NULL)) <= 0) {
- GST_ELEMENT_ERROR (dv1394src, CORE, NEGOTIATION, (NULL),
- ("Could not set source caps for NTSC"));
- return 0;
- }
- }
- dv1394src->negotiated = TRUE;
- }
-
- // drop last frame when not complete
- if( !dv1394src->drop_incomplete || dv1394src->bytesInFrame == dv1394src->frameSize ) {
- dv1394src->buf = dv1394src->frame;
- } else {
- GST_INFO_OBJECT (GST_ELEMENT(dv1394src), "incomplete frame dropped");
- }
- dv1394src->frame = NULL;
-
- dv1394src->frameSequence++;
-
- if( dv1394src->frameSequence % (dv1394src->skip+dv1394src->consecutive) < dv1394src->consecutive ) {
- dv1394src->frame = gst_buffer_new_and_alloc (dv1394src->frameSize);
- }
- dv1394src->bytesInFrame = 0;
- }
-
- if (dv1394src->frame != NULL) {
- void *data = GST_BUFFER_DATA( dv1394src->frame );
-
-
- switch (section_type) {
- case 0: /* 1 Header block */
- /* p[3] |= 0x80; // hack to force PAL data */
- memcpy(data + dif_sequence * 150 * 80, p, 480);
- break;
-
- case 1: /* 2 Subcode blocks */
- memcpy(data + dif_sequence * 150 * 80 + (1 + dif_block) * 80, p, 480);
- break;
-
- case 2: /* 3 VAUX blocks */
- memcpy(data + dif_sequence * 150 * 80 + (3 + dif_block) * 80, p, 480);
- break;
-
- case 3: /* 9 Audio blocks interleaved with video */
- memcpy(data + dif_sequence * 150 * 80 + (6 + dif_block * 16) * 80, p, 480);
- break;
-
- case 4: /* 135 Video blocks interleaved with audio */
- memcpy(data + dif_sequence * 150 * 80 + (7 + (dif_block / 15) + dif_block) * 80, p, 480);
- break;
-
- default: /* we canīt handle any other data */
- break;
- }
- dv1394src->bytesInFrame += 480;
- }
+ /*
+ the following code taken from kino-0.51 (Dan Dennedy/Charles Yates)
+ */
+ unsigned char *p = (unsigned char *) &data[3];
+ 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];
+
+ /* if we are at the beginning of a frame,
+ we set buf=frame, and alloc a new buffer for frame
+ */
+
+ if (section_type == 0 && dif_sequence == 0) { // dif header
+
+ if (!dv1394src->negotiated) {
+ // figure format (NTSC/PAL)
+ if (p[3] & 0x80) {
+ // PAL
+ dv1394src->frameSize = PAL_FRAMESIZE;
+ GST_DEBUG ("PAL data");
+ if (gst_pad_try_set_caps (dv1394src->srcpad,
+ gst_caps_new_simple ("video/dv",
+ "format", G_TYPE_STRING, "PAL", NULL)) <= 0) {
+ GST_ELEMENT_ERROR (dv1394src, CORE, NEGOTIATION, (NULL),
+ ("Could not set source caps for PAL"));
+ return 0;
+ }
+ } else {
+ // NTSC (untested)
+ dv1394src->frameSize = NTSC_FRAMESIZE;
+ GST_DEBUG
+ ("NTSC data [untested] - please report success/failure to <dan@f3c.com>");
+ if (gst_pad_try_set_caps (dv1394src->srcpad,
+ gst_caps_new_simple ("video/dv", "format", G_TYPE_STRING,
+ "NTSC", NULL)) <= 0) {
+ GST_ELEMENT_ERROR (dv1394src, CORE, NEGOTIATION, (NULL),
+ ("Could not set source caps for NTSC"));
+ return 0;
+ }
+ }
+ dv1394src->negotiated = TRUE;
+ }
+ // drop last frame when not complete
+ if (!dv1394src->drop_incomplete
+ || dv1394src->bytesInFrame == dv1394src->frameSize) {
+ dv1394src->buf = dv1394src->frame;
+ } else {
+ GST_INFO_OBJECT (GST_ELEMENT (dv1394src), "incomplete frame dropped");
+ }
+ dv1394src->frame = NULL;
+
+ dv1394src->frameSequence++;
+
+ if (dv1394src->frameSequence % (dv1394src->skip +
+ dv1394src->consecutive) < dv1394src->consecutive) {
+ dv1394src->frame = gst_buffer_new_and_alloc (dv1394src->frameSize);
+ }
+ dv1394src->bytesInFrame = 0;
+ }
+
+ if (dv1394src->frame != NULL) {
+ void *data = GST_BUFFER_DATA (dv1394src->frame);
+
+
+ switch (section_type) {
+ case 0: /* 1 Header block */
+ /* p[3] |= 0x80; // hack to force PAL data */
+ memcpy (data + dif_sequence * 150 * 80, p, 480);
+ break;
+
+ case 1: /* 2 Subcode blocks */
+ memcpy (data + dif_sequence * 150 * 80 + (1 + dif_block) * 80, p,
+ 480);
+ break;
+
+ case 2: /* 3 VAUX blocks */
+ memcpy (data + dif_sequence * 150 * 80 + (3 + dif_block) * 80, p,
+ 480);
+ break;
+
+ case 3: /* 9 Audio blocks interleaved with video */
+ memcpy (data + dif_sequence * 150 * 80 + (6 + dif_block * 16) * 80, p,
+ 480);
+ break;
+
+ case 4: /* 135 Video blocks interleaved with audio */
+ memcpy (data + dif_sequence * 150 * 80 + (7 + (dif_block / 15) +
+ dif_block) * 80, p, 480);
+ break;
+
+ default: /* we canīt handle any other data */
+ break;
+ }
+ dv1394src->bytesInFrame += 480;
+ }
}
return 0;
}
-static
-int gst_dv1394src_bus_reset(raw1394handle_t handle,
- unsigned int generation) {
- GST_INFO_OBJECT (GST_DV1394SRC(raw1394_get_userdata(handle)),"have bus reset");
+static int
+gst_dv1394src_bus_reset (raw1394handle_t handle, unsigned int generation)
+{
+ GST_INFO_OBJECT (GST_DV1394SRC (raw1394_get_userdata (handle)),
+ "have bus reset");
return 0;
}
static GstData *
-gst_dv1394src_get (GstPad *pad)
+gst_dv1394src_get (GstPad * pad)
{
- GstDV1394Src *dv1394src = GST_DV1394SRC (GST_PAD_PARENT(pad));
+ GstDV1394Src *dv1394src = GST_DV1394SRC (GST_PAD_PARENT (pad));
dv1394src->buf = NULL;
while (dv1394src->buf == NULL)
- raw1394_loop_iterate(dv1394src->handle);
+ raw1394_loop_iterate (dv1394src->handle);
- return GST_DATA(dv1394src->buf);
-}
+ return GST_DATA (dv1394src->buf);
+}
static GstElementStateReturn
-gst_dv1394src_change_state (GstElement *element)
+gst_dv1394src_change_state (GstElement * element)
{
GstDV1394Src *dv1394src;
@@ -348,46 +361,49 @@ gst_dv1394src_change_state (GstElement *element)
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
- if ((dv1394src->handle = raw1394_new_handle()) == NULL) {
- GST_INFO_OBJECT (dv1394src,"can't get raw1394 handle");
- return GST_STATE_FAILURE;
+ if ((dv1394src->handle = raw1394_new_handle ()) == NULL) {
+ GST_INFO_OBJECT (dv1394src, "can't get raw1394 handle");
+ return GST_STATE_FAILURE;
}
- raw1394_set_userdata(dv1394src->handle,dv1394src);
- dv1394src->numcards = raw1394_get_port_info(dv1394src->handle,dv1394src->pinfo,16);
+ raw1394_set_userdata (dv1394src->handle, dv1394src);
+ dv1394src->numcards =
+ raw1394_get_port_info (dv1394src->handle, dv1394src->pinfo, 16);
if (dv1394src->numcards == 0) {
- GST_INFO_OBJECT (dv1394src,"no cards available for raw1394");
- return GST_STATE_FAILURE;
+ GST_INFO_OBJECT (dv1394src, "no cards available for raw1394");
+ return GST_STATE_FAILURE;
}
if (dv1394src->pinfo[dv1394src->card].nodes <= 1) {
- GST_INFO_OBJECT (dv1394src,"there are no nodes on the 1394 bus");
- return GST_STATE_FAILURE;
+ GST_INFO_OBJECT (dv1394src, "there are no nodes on the 1394 bus");
+ return GST_STATE_FAILURE;
}
- if (raw1394_set_port(dv1394src->handle,dv1394src->port) < 0) {
- GST_INFO_OBJECT (dv1394src,"can't set 1394 port %d",dv1394src->port);
- return GST_STATE_FAILURE;
+ if (raw1394_set_port (dv1394src->handle, dv1394src->port) < 0) {
+ GST_INFO_OBJECT (dv1394src, "can't set 1394 port %d", dv1394src->port);
+ return GST_STATE_FAILURE;
}
- raw1394_set_iso_handler(dv1394src->handle,dv1394src->channel,gst_dv1394src_iso_receive);
- raw1394_set_bus_reset_handler(dv1394src->handle,gst_dv1394src_bus_reset);
+ raw1394_set_iso_handler (dv1394src->handle, dv1394src->channel,
+ gst_dv1394src_iso_receive);
+ raw1394_set_bus_reset_handler (dv1394src->handle,
+ gst_dv1394src_bus_reset);
dv1394src->started = FALSE;
GST_DEBUG ("successfully opened up 1394 connection");
break;
case GST_STATE_PAUSED_TO_PLAYING:
- if (raw1394_start_iso_rcv(dv1394src->handle,dv1394src->channel) < 0) {
- GST_INFO_OBJECT (dv1394src,"can't start 1394 iso receive");
- return GST_STATE_FAILURE;
+ if (raw1394_start_iso_rcv (dv1394src->handle, dv1394src->channel) < 0) {
+ GST_INFO_OBJECT (dv1394src, "can't start 1394 iso receive");
+ return GST_STATE_FAILURE;
}
break;
case GST_STATE_PLAYING_TO_PAUSED:
- raw1394_stop_iso_rcv(dv1394src->handle, dv1394src->channel);
+ raw1394_stop_iso_rcv (dv1394src->handle, dv1394src->channel);
break;
case GST_STATE_READY_TO_NULL:
- raw1394_destroy_handle(dv1394src->handle);
+ raw1394_destroy_handle (dv1394src->handle);
break;
default:
break;
}
- /* if we haven't failed already, give the parent class a chance to ;-) */
+ /* if we haven't failed already, give the parent class a chance to ;-) */
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
generated by cgit (git 2.34.1) at 2024-06-26 09:53:03 +0000