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-rw-r--r--sys/v4l2/gstv4l2src.c56
1 files changed, 43 insertions, 13 deletions
diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
index 6ba0ea08..52a677d0 100644
--- a/sys/v4l2/gstv4l2src.c
+++ b/sys/v4l2/gstv4l2src.c
@@ -56,6 +56,12 @@ enum {
static void gst_v4l2src_class_init (GstV4l2SrcClass *klass);
static void gst_v4l2src_init (GstV4l2Src *v4l2src);
+/* signal functions */
+static void gst_v4l2src_open (GstElement *element,
+ const gchar *device);
+static void gst_v4l2src_close (GstElement *element,
+ const gchar *device);
+
/* pad/buffer functions */
static gboolean gst_v4l2src_srcconvert (GstPad *pad,
GstFormat src_format,
@@ -127,9 +133,11 @@ gst_v4l2src_class_init (GstV4l2SrcClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
+ GstV4l2ElementClass *v4l2_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
+ v4l2_class = (GstV4l2ElementClass*)klass;
parent_class = g_type_class_ref(GST_TYPE_V4L2ELEMENT);
@@ -164,6 +172,9 @@ gst_v4l2src_class_init (GstV4l2SrcClass *klass)
gobject_class->get_property = gst_v4l2src_get_property;
gstelement_class->change_state = gst_v4l2src_change_state;
+
+ v4l2_class->open = gst_v4l2src_open;
+ v4l2_class->close = gst_v4l2src_close;
}
@@ -188,6 +199,24 @@ gst_v4l2src_init (GstV4l2Src *v4l2src)
v4l2src->width = 160;
v4l2src->height = 120;
v4l2src->breq.count = 0;
+
+ v4l2src->formats = NULL;
+}
+
+
+static void
+gst_v4l2src_open (GstElement *element,
+ const gchar *device)
+{
+ gst_v4l2src_fill_format_list(GST_V4L2SRC(element));
+}
+
+
+static void
+gst_v4l2src_close (GstElement *element,
+ const gchar *device)
+{
+ gst_v4l2src_empty_format_list(GST_V4L2SRC(element));
}
@@ -211,8 +240,8 @@ gst_v4l2src_srcconvert (GstPad *pad,
if (!gst_v4l2_get_norm(GST_V4L2ELEMENT(v4l2src), &norm))
return FALSE;
- std = &((struct v4l2_enumstd *) g_list_nth_data(GST_V4L2ELEMENT(v4l2src)->norms, norm))->std;
- fps = std->framerate.numerator / std->framerate.denominator;
+ std = ((struct v4l2_standard *) g_list_nth_data(GST_V4L2ELEMENT(v4l2src)->norms, norm));
+ fps = std->frameperiod.numerator / std->frameperiod.denominator;
switch (src_format) {
case GST_FORMAT_TIME:
@@ -453,8 +482,8 @@ gst_v4l2_caps_to_v4l2fourcc (GstV4l2Src *v4l2src,
break; }
}
- for (i=0;i<g_list_length(GST_V4L2ELEMENT(v4l2src)->formats);i++) {
- struct v4l2_fmtdesc *fmt = (struct v4l2_fmtdesc *) g_list_nth_data(GST_V4L2ELEMENT(v4l2src)->formats, i);
+ for (i=0;i<g_list_length(v4l2src->formats);i++) {
+ struct v4l2_fmtdesc *fmt = (struct v4l2_fmtdesc *) g_list_nth_data(v4l2src->formats, i);
if (fmt->pixelformat == fourcc)
fourcclist = g_list_append(fourcclist, (gpointer)fourcc);
}
@@ -585,8 +614,8 @@ gst_v4l2src_srcconnect (GstPad *pad,
for (i=0;i<g_list_length(fourccs);i++) {
guint32 fourcc = (guint32)g_list_nth_data(fourccs, i);
gint n;
- for (n=0;n<g_list_length(v4l2element->formats);n++) {
- struct v4l2_fmtdesc *format = g_list_nth_data(v4l2element->formats, n);
+ for (n=0;n<g_list_length(v4l2src->formats);n++) {
+ struct v4l2_fmtdesc *format = g_list_nth_data(v4l2src->formats, n);
if (format->pixelformat == fourcc) {
/* we found the pixelformat! - try it out */
if (gst_v4l2src_set_capture(v4l2src, format,
@@ -631,15 +660,15 @@ gst_v4l2src_getcaps (GstPad *pad,
/* build our own capslist */
if (v4l2src->palette) {
- struct v4l2_fmtdesc *format = g_list_nth_data(v4l2element->formats, v4l2src->palette);
+ struct v4l2_fmtdesc *format = g_list_nth_data(v4l2src->formats, v4l2src->palette);
owncapslist = gst_v4l2src_v4l2fourcc_to_caps(format->pixelformat,
v4l2src->width, v4l2src->height,
format->flags & V4L2_FMT_FLAG_COMPRESSED);
} else {
gint i;
owncapslist = NULL;
- for (i=0;i<g_list_length(v4l2element->formats);i++) {
- struct v4l2_fmtdesc *format = g_list_nth_data(v4l2element->formats, i);
+ for (i=0;i<g_list_length(v4l2src->formats);i++) {
+ struct v4l2_fmtdesc *format = g_list_nth_data(v4l2src->formats, i);
caps = gst_v4l2src_v4l2fourcc_to_caps(format->pixelformat,
v4l2src->width, v4l2src->height,
format->flags & V4L2_FMT_FLAG_COMPRESSED);
@@ -675,7 +704,8 @@ gst_v4l2src_get (GstPad *pad)
GST_BUFFER_DATA(buf) = GST_V4L2ELEMENT(v4l2src)->buffer[num];
GST_BUFFER_SIZE(buf) = v4l2src->bufsettings.bytesused;
if (!v4l2src->first_timestamp)
- v4l2src->first_timestamp = v4l2src->bufsettings.timestamp;
+ v4l2src->first_timestamp = v4l2src->bufsettings.timestamp.tv_sec * GST_SECOND +
+ v4l2src->bufsettings.timestamp.tv_usec * (GST_SECOND/1000000);
GST_BUFFER_TIMESTAMP(buf) = v4l2src->bufsettings.length - v4l2src->first_timestamp;
return buf;
@@ -717,8 +747,8 @@ gst_v4l2src_set_property (GObject *object,
gint i;
const gchar *formatstr = g_value_get_string(value);
guint32 fourcc = GST_MAKE_FOURCC(formatstr[0],formatstr[1],formatstr[2],formatstr[3]);
- for (i=0;i<g_list_length(GST_V4L2ELEMENT(v4l2src)->formats);i++) {
- struct v4l2_fmtdesc *fmt = (struct v4l2_fmtdesc *) g_list_nth_data(GST_V4L2ELEMENT(v4l2src)->formats, i);
+ for (i=0;i<g_list_length(v4l2src->formats);i++) {
+ struct v4l2_fmtdesc *fmt = (struct v4l2_fmtdesc *) g_list_nth_data(v4l2src->formats, i);
if (fmt->pixelformat == fourcc)
v4l2src->palette = i;
}
@@ -767,7 +797,7 @@ gst_v4l2src_get_property (GObject *object,
break;
case ARG_FOURCC: {
- struct v4l2_fmtdesc *fmt = g_list_nth_data(GST_V4L2ELEMENT(v4l2src)->formats, v4l2src->palette);
+ struct v4l2_fmtdesc *fmt = g_list_nth_data(v4l2src->formats, v4l2src->palette);
guint32 print_format = GUINT32_FROM_LE(fmt->pixelformat);
gchar *print_format_str = (gchar *) &print_format;
g_value_set_string(value, g_strndup(print_format_str, 4));
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-08 19:15:22 +0000