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dc1394: add iso-speed property

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Add iso-speed property which allows for higher bandwidth dc video.
Automatically set to b-mode as needed.

Fixes #603745.
This commit is contained in:
Tristan Matthews 2009-12-08 15:37:03 -05:00 committed by Tim-Philipp Müller
parent f968ae6e72
commit 0cb067987d
2 changed files with 52 additions and 5 deletions
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56
ext/dc1394/gstdc1394.c
View file

@ -54,7 +54,8 @@ enum
PROP_0,
PROP_TIMESTAMP_OFFSET,
PROP_CAMNUM,
PROP_BUFSIZE
PROP_BUFSIZE,
PROP_ISO_SPEED
/* FILL ME */
};
@ -153,6 +154,11 @@ gst_dc1394_class_init (GstDc1394Class * klass)
"The number of frames in the dma ringbuffer", 1,
G_MAXINT, 10, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_ISO_SPEED, g_param_spec_int ("iso-speed",
"The iso bandwidth in Mbps",
"The iso bandwidth in Mbps", 1, G_MAXINT, 400, G_PARAM_READWRITE));
gstbasesrc_class->get_caps = gst_dc1394_getcaps;
gstbasesrc_class->set_caps = gst_dc1394_setcaps;
@ -172,6 +178,7 @@ gst_dc1394_init (GstDc1394 * src, GstDc1394Class * g_class)
src->timestamp_offset = 0;
src->caps = gst_dc1394_get_all_dc1394_caps ();
src->bufsize = 10;
src->iso_speed = 400;
src->camnum = 0;
src->n_frames = 0;
@ -217,6 +224,9 @@ gst_dc1394_set_property (GObject * object, guint prop_id,
break;
case PROP_BUFSIZE:
src->bufsize = g_value_get_int (value);
break;
case PROP_ISO_SPEED:
src->iso_speed = g_value_get_int (value);
default:
break;
}
@ -238,6 +248,9 @@ gst_dc1394_get_property (GObject * object, guint prop_id, GValue * value,
case PROP_BUFSIZE:
g_value_set_int (value, src->bufsize);
break;
case PROP_ISO_SPEED:
g_value_set_int (value, src->iso_speed);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1057,8 +1070,43 @@ gst_dc1394_open_cam_with_best_caps (GstDc1394 * src)
GST_LOG_OBJECT (src, "The dma buffer queue size is %d buffers",
src->bufsize);
//FIXME HAVE THIS AUTOMATIC OR AS A PARAMETER ?
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_400);
switch (src->iso_speed) {
case 100:
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_100);
break;
case 200:
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_200);
break;
case 400:
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_400);
break;
case 800:
if (src->camera->bmode_capable > 0) {
dc1394_video_set_operation_mode (src->camera,
DC1394_OPERATION_MODE_1394B);
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_800);
}
break;
case 1600:
if (src->camera->bmode_capable > 0) {
dc1394_video_set_operation_mode (src->camera,
DC1394_OPERATION_MODE_1394B);
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_1600);
}
break;
case 3200:
if (src->camera->bmode_capable > 0) {
dc1394_video_set_operation_mode (src->camera,
DC1394_OPERATION_MODE_1394B);
err = dc1394_video_set_iso_speed (src->camera, DC1394_ISO_SPEED_3200);
}
break;
default:
GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Invalid ISO speed"),
("Invalid ISO speed"));
goto error;
break;
}
if (err != DC1394_SUCCESS) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Could not set ISO speed"),
@ -1066,8 +1114,6 @@ gst_dc1394_open_cam_with_best_caps (GstDc1394 * src)
goto error;
}
GST_LOG_OBJECT (src, "Setting mode : %d", src->vmode);
err = dc1394_video_set_mode (src->camera, src->vmode);

1
ext/dc1394/gstdc1394.h
View file

@ -62,6 +62,7 @@ struct _GstDc1394 {
gboolean segment;
gint camnum;
gint bufsize;
gint iso_speed;
dc1394_t * dc1394;
dc1394camera_t * camera;