diff options
Diffstat (limited to 'sys/qcam/gstqcamsrc.c')
| -rw-r--r-- | sys/qcam/gstqcamsrc.c | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/sys/qcam/gstqcamsrc.c b/sys/qcam/gstqcamsrc.c deleted file mode 100644 index dbe774090..000000000 --- a/sys/qcam/gstqcamsrc.c +++ /dev/null @@ -1,445 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <string.h> - -/*#define DEBUG_ENABLED */ -#include <gstqcamsrc.h> -#include <gst/video/video.h> - -#include "qcamip.h" - -#define AE_NONE 3 - -#define DEF_WIDTH 320 -#define DEF_HEIGHT 224 -#define DEF_BRIGHTNESS 226 -#define DEF_WHITEBAL 128 -#define DEF_CONTRAST 72 -#define DEF_TOP 1 -#define DEF_LEFT 14 -#define DEF_TRANSFER_SCALE 2 -#define DEF_DEPTH 6 -#define DEF_PORT 0x378 -#define DEF_AUTOEXP AE_NONE - -static GstStaticPadTemplate gst_qcamsrc_src_factory = -GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420")) - ); - -#define GST_TYPE_AUTOEXP_MODE (gst_autoexp_mode_get_type()) -static GType -gst_autoexp_mode_get_type (void) -{ - static GType autoexp_mode_type = 0; - static const GEnumValue autoexp_modes[] = { - {AE_ALL_AVG, "0", "Average Picture"}, - {AE_CTR_AVG, "1", "Average Center"}, - {AE_STD_AVG, "2", "Standard Deviation"}, - {AE_NONE, "3", "None"}, - {0, NULL, NULL}, - }; - - if (!autoexp_mode_type) { - autoexp_mode_type = - g_enum_register_static ("GstAutoExposureMode", autoexp_modes); - } - return autoexp_mode_type; -} - -/* QCamSrc signals and args */ -enum -{ - /* FILL ME */ - LAST_SIGNAL -}; - -enum -{ - ARG_0, - ARG_WIDTH, - ARG_HEIGHT, - ARG_BRIGHTNESS, - ARG_WHITEBAL, - ARG_CONTRAST, - ARG_TOP, - ARG_LEFT, - ARG_TRANSFER_SCALE, - ARG_DEPTH, - ARG_PORT, - ARG_AUTOEXP -}; - -static void gst_qcamsrc_base_init (gpointer g_class); -static void gst_qcamsrc_class_init (GstQCamSrcClass * klass); -static void gst_qcamsrc_init (GstQCamSrc * qcamsrc); - -static void gst_qcamsrc_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_qcamsrc_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - -static GstStateChangeReturn gst_qcamsrc_change_state (GstElement * element, - GstStateChange transition); -static void gst_qcamsrc_close (GstQCamSrc * src); -static gboolean gst_qcamsrc_open (GstQCamSrc * src); - -static GstData *gst_qcamsrc_get (GstPad * pad); - -static GstElementClass *parent_class = NULL; - -/*//static guint gst_qcamsrc_signals[LAST_SIGNAL] = { 0 }; */ - -GType -gst_qcamsrc_get_type (void) -{ - static GType qcamsrc_type = 0; - - if (!qcamsrc_type) { - static const GTypeInfo qcamsrc_info = { - sizeof (GstQCamSrcClass), - gst_qcamsrc_base_init, - NULL, - (GClassInitFunc) gst_qcamsrc_class_init, - NULL, - NULL, - sizeof (GstQCamSrc), - 0, - (GInstanceInitFunc) gst_qcamsrc_init, - NULL - }; - - qcamsrc_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstQCamSrc", &qcamsrc_info, - 0); - } - return qcamsrc_type; -} - -static void -gst_qcamsrc_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_add_static_pad_template (element_class, - &gst_qcamsrc_src_factory); - gst_element_class_set_static_metadata (element_class, "QCam Source", - "Source/Video", "Read from a QuickCam device", - "Wim Taymans <wim.taymans@chello.be>"); -} - -static void -gst_qcamsrc_class_init (GstQCamSrcClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - - gobject_class = (GObjectClass *) klass; - gstelement_class = (GstElementClass *) klass; - - parent_class = g_type_class_peek_parent (klass); - - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH, - g_param_spec_int ("width", "width", "width", - 0, 320, DEF_WIDTH, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEIGHT, - g_param_spec_int ("height", "height", "height", - 0, 240, DEF_HEIGHT, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BRIGHTNESS, - g_param_spec_int ("brightness", "brightness", "brightness", - 0, 255, DEF_BRIGHTNESS, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WHITEBAL, - g_param_spec_int ("whitebal", "whitebal", "whitebal", - 0, 255, DEF_WHITEBAL, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_CONTRAST, - g_param_spec_int ("contrast", "contrast", "contrast", - 0, 255, DEF_CONTRAST, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TOP, - g_param_spec_int ("top", "top", "top", - 0, 240, DEF_TOP, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LEFT, - g_param_spec_int ("left", "left", "left", - 0, 320, DEF_LEFT, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TRANSFER_SCALE, - g_param_spec_int ("transfer_scale", "transfer_scale", "transfer_scale", - 1, 4, DEF_TRANSFER_SCALE, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DEPTH, - g_param_spec_int ("depth", "depth", "depth", - 4, 6, DEF_DEPTH, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_PORT, - g_param_spec_int ("port", "port", "port", - 0, G_MAXINT, DEF_PORT, G_PARAM_READWRITE)); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_AUTOEXP, - g_param_spec_enum ("autoexposure", "autoexposure", "autoexposure", - GST_TYPE_AUTOEXP_MODE, DEF_AUTOEXP, G_PARAM_READWRITE)); - - gobject_class->set_property = gst_qcamsrc_set_property; - gobject_class->get_property = gst_qcamsrc_get_property; - - gstelement_class->change_state = gst_qcamsrc_change_state; -} - -static void -gst_qcamsrc_init (GstQCamSrc * qcamsrc) -{ - qcamsrc->srcpad = - gst_pad_new_from_static_template (&gst_qcamsrc_src_factory, "src"); - gst_element_add_pad (GST_ELEMENT (qcamsrc), qcamsrc->srcpad); - gst_pad_set_get_function (qcamsrc->srcpad, gst_qcamsrc_get); - - /* if the destination cannot say what it wants, we give this */ - qcamsrc->qcam = qc_init (); - qcamsrc->qcam->port = DEF_PORT; - qc_setwidth (qcamsrc->qcam, DEF_WIDTH); - qc_setheight (qcamsrc->qcam, DEF_HEIGHT); - qc_setbrightness (qcamsrc->qcam, DEF_BRIGHTNESS); - qc_setwhitebal (qcamsrc->qcam, DEF_WHITEBAL); - qc_setcontrast (qcamsrc->qcam, DEF_CONTRAST); - qc_settop (qcamsrc->qcam, DEF_TOP); - qc_setleft (qcamsrc->qcam, DEF_LEFT); - qc_settransfer_scale (qcamsrc->qcam, DEF_TRANSFER_SCALE); - qc_setbitdepth (qcamsrc->qcam, DEF_DEPTH); - qcamsrc->autoexposure = DEF_AUTOEXP; - if (qcamsrc->autoexposure != AE_NONE) - qcip_set_autoexposure_mode (qcamsrc->autoexposure); -} - -static GstData * -gst_qcamsrc_get (GstPad * pad) -{ - GstQCamSrc *qcamsrc; - GstBuffer *buf; - scanbuf *scan; - guchar *outdata; - gint i, frame, scale, convert; - - g_return_val_if_fail (pad != NULL, NULL); - - qcamsrc = GST_QCAMSRC (gst_pad_get_parent (pad)); - - scale = qc_gettransfer_scale (qcamsrc->qcam); - - frame = qcamsrc->qcam->width * qcamsrc->qcam->height / (scale * scale); - - buf = gst_buffer_new (); - outdata = GST_BUFFER_DATA (buf) = g_malloc0 ((frame * 3) / 2); - GST_BUFFER_SIZE (buf) = (frame * 3) / 2; - - qc_set (qcamsrc->qcam); - if (!GST_PAD_CAPS (pad)) { - gst_pad_try_set_caps (pad, gst_caps_new_simple ("video/x-raw-yuv", - "format", GST_TYPE_FOURCC, "I420", - "width", G_TYPE_INT, qcamsrc->qcam->width / scale, - "height", G_TYPE_INT, qcamsrc->qcam->height / scale, - "framerate", G_TYPE_DOUBLE, 10., NULL)); - } - scan = qc_scan (qcamsrc->qcam); - - /* FIXME, this doesn't seem to work... */ - /*fixdark(qcamsrc->qcam, scan); */ - - if (qcamsrc->autoexposure != AE_NONE) - qcip_autoexposure (qcamsrc->qcam, scan); - - convert = (qcamsrc->qcam->bpp == 4 ? 4 : 2); - - for (i = frame; i; i--) { - outdata[i] = scan[i] << convert; - } - memset (outdata + frame, 128, frame >> 1); - g_free (scan); - - return GST_DATA (buf); -} - -static void -gst_qcamsrc_set_property (GObject * object, guint prop_id, const GValue * value, - GParamSpec * pspec) -{ - GstQCamSrc *src; - - g_return_if_fail (GST_IS_QCAMSRC (object)); - src = GST_QCAMSRC (object); - - switch (prop_id) { - case ARG_WIDTH: - qc_setwidth (src->qcam, g_value_get_int (value)); - break; - case ARG_HEIGHT: - qc_setheight (src->qcam, g_value_get_int (value)); - break; - case ARG_BRIGHTNESS: - qc_setbrightness (src->qcam, g_value_get_int (value)); - break; - case ARG_WHITEBAL: - qc_setwhitebal (src->qcam, g_value_get_int (value)); - break; - case ARG_CONTRAST: - qc_setcontrast (src->qcam, g_value_get_int (value)); - break; - case ARG_TOP: - qc_settop (src->qcam, g_value_get_int (value)); - break; - case ARG_LEFT: - qc_setleft (src->qcam, g_value_get_int (value)); - break; - case ARG_TRANSFER_SCALE: - qc_settransfer_scale (src->qcam, g_value_get_int (value)); - break; - case ARG_DEPTH: - qc_setbitdepth (src->qcam, g_value_get_int (value)); - break; - case ARG_PORT: - src->qcam->port = g_value_get_int (value); - break; - case ARG_AUTOEXP: - src->autoexposure = g_value_get_enum (value); - if (src->autoexposure != AE_NONE) - qcip_set_autoexposure_mode (src->autoexposure); - break; - default: - break; - } -} - -static void -gst_qcamsrc_get_property (GObject * object, guint prop_id, GValue * value, - GParamSpec * pspec) -{ - GstQCamSrc *src; - - g_return_if_fail (GST_IS_QCAMSRC (object)); - src = GST_QCAMSRC (object); - - switch (prop_id) { - case ARG_WIDTH: - g_value_set_int (value, qc_getwidth (src->qcam)); - break; - case ARG_HEIGHT: - g_value_set_int (value, qc_getheight (src->qcam)); - break; - case ARG_BRIGHTNESS: - g_value_set_int (value, qc_getbrightness (src->qcam)); - break; - case ARG_WHITEBAL: - g_value_set_int (value, qc_getwhitebal (src->qcam)); - break; - case ARG_CONTRAST: - g_value_set_int (value, qc_getcontrast (src->qcam)); - break; - case ARG_TOP: - g_value_set_int (value, qc_gettop (src->qcam)); - break; - case ARG_LEFT: - g_value_set_int (value, qc_getleft (src->qcam)); - break; - case ARG_TRANSFER_SCALE: - g_value_set_int (value, qc_gettransfer_scale (src->qcam)); - break; - case ARG_DEPTH: - g_value_set_int (value, qc_getbitdepth (src->qcam)); - break; - case ARG_PORT: - g_value_set_int (value, src->qcam->port); - break; - case ARG_AUTOEXP: - g_value_set_enum (value, src->autoexposure); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static GstStateChangeReturn -gst_qcamsrc_change_state (GstElement * element, GstStateChange transition) -{ - g_return_val_if_fail (GST_IS_QCAMSRC (element), FALSE); - - switch (transition) { - case GST_STATE_CHANGE_READY_TO_NULL: - if (GST_OBJECT_FLAG_IS_SET (element, GST_QCAMSRC_OPEN)) - gst_qcamsrc_close (GST_QCAMSRC (element)); - break; - case GST_STATE_CHANGE_NULL_TO_READY: - if (!GST_OBJECT_FLAG_IS_SET (element, GST_QCAMSRC_OPEN)) { - GST_DEBUG ("opening"); - if (!gst_qcamsrc_open (GST_QCAMSRC (element))) { - GST_DEBUG ("open failed"); - return GST_STATE_CHANGE_FAILURE; - } - } - break; - default: - break; - } - - if (GST_ELEMENT_CLASS (parent_class)->change_state) - return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); - - return GST_STATE_CHANGE_SUCCESS; -} - -static gboolean -gst_qcamsrc_open (GstQCamSrc * qcamsrc) -{ - if (qc_open (qcamsrc->qcam)) { - GST_ELEMENT_ERROR (qcamsrc, RESOURCE, OPEN_READ, (NULL), - ("Failed to open QuickCam")); - return FALSE; - } - - GST_OBJECT_FLAG_SET (qcamsrc, GST_QCAMSRC_OPEN); - - return TRUE; -} - -static void -gst_qcamsrc_close (GstQCamSrc * src) -{ - qc_close (src->qcam); - GST_OBJECT_FLAG_UNSET (src, GST_QCAMSRC_OPEN); -} - -static gboolean -plugin_init (GstPlugin * plugin) -{ - if (!gst_element_register (plugin, "qcamsrc", GST_RANK_NONE, - GST_TYPE_QCAMSRC)) - return FALSE; - - return TRUE; -} - -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - qcamsrc, - "Read from a QuickCam device", - plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) |