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authorThomas Vander Stichele <thomas@apestaart.org>2006-10-03 18:23:21 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2006-10-03 18:23:21 +0000
commitca7c4c657ce03ce9ab8fa059ba73fa35e8770b2b (patch)
treee98eaa34939eb432b544aa0ae708a4dd857b1a11 /sys/v4l2/gstv4l2object.c
parent321d0c208c6692386c54088c2c52247ceb623545 (diff)
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moved to gst-plugins-good
Original commit message from CVS: * configure.ac: * sys/Makefile.am: * sys/v4l2/Makefile.am: * sys/v4l2/README: * sys/v4l2/gstv4l2.c: * sys/v4l2/gstv4l2colorbalance.c: * sys/v4l2/gstv4l2colorbalance.h: * sys/v4l2/gstv4l2object.c: * sys/v4l2/gstv4l2object.h: * sys/v4l2/gstv4l2src.c: * sys/v4l2/gstv4l2src.h: * sys/v4l2/gstv4l2tuner.c: * sys/v4l2/gstv4l2tuner.h: * sys/v4l2/gstv4l2vidorient.c: * sys/v4l2/gstv4l2vidorient.h: * sys/v4l2/gstv4l2xoverlay.c: * sys/v4l2/gstv4l2xoverlay.h: * sys/v4l2/v4l2_calls.c: * sys/v4l2/v4l2_calls.h: * sys/v4l2/v4l2src_calls.c: * sys/v4l2/v4l2src_calls.h: moved to gst-plugins-good
Diffstat (limited to 'sys/v4l2/gstv4l2object.c')
-rw-r--r--sys/v4l2/gstv4l2object.c509
1 files changed, 0 insertions, 509 deletions
diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
deleted file mode 100644
index 3ed211df..00000000
--- a/sys/v4l2/gstv4l2object.c
+++ /dev/null
@@ -1,509 +0,0 @@
-/* GStreamer
- *
- * Copyright (C) 2001-2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
- * 2006 Edgard Lima <edgard.lima@indt.org.br>
- *
- * gstv4l2object.c: base class for V4L2 elements
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "v4l2_calls.h"
-#include "gstv4l2tuner.h"
-#ifdef HAVE_XVIDEO
-#include "gstv4l2xoverlay.h"
-#endif
-#include "gstv4l2colorbalance.h"
-
-#define DEFAULT_PROP_DEVICE "/dev/video0"
-#define DEFAULT_PROP_DEVICE_NAME NULL
-#define DEFAULT_PROP_FLAGS 0
-#define DEFAULT_PROP_NORM NULL
-#define DEFAULT_PROP_CHANNEL NULL
-#define DEFAULT_PROP_FREQUENCY 0
-
-enum
-{
- PROP_0,
- V4L2_STD_OBJECT_PROPS,
-};
-
-const GList *
-gst_v4l2_probe_get_properties (GstPropertyProbe * probe)
-{
- GObjectClass *klass = G_OBJECT_GET_CLASS (probe);
- static GList *list = NULL;
-
- /* well, not perfect, but better than no locking at all.
- * In the worst case we leak a list node, so who cares? */
- GST_CLASS_LOCK (GST_OBJECT_CLASS (klass));
-
- if (!list) {
- list = g_list_append (NULL, g_object_class_find_property (klass, "device"));
- }
-
- GST_CLASS_UNLOCK (GST_OBJECT_CLASS (klass));
-
- return list;
-}
-
-static gboolean
-gst_v4l2_class_probe_devices (GstElementClass * klass, gboolean check,
- GList ** klass_devices)
-{
- static gboolean init = FALSE;
- static GList *devices = NULL;
-
- if (!init && !check) {
- const gchar *dev_base[] = { "/dev/video", "/dev/v4l2/video", NULL };
- gint base, n, fd;
-
- while (devices) {
- GList *item = devices;
- gchar *device = item->data;
-
- devices = g_list_remove (devices, item);
- g_free (device);
- }
-
- /*
- * detect /dev entries
- */
- for (n = 0; n < 64; n++) {
- for (base = 0; dev_base[base] != NULL; base++) {
- struct stat s;
- gchar *device = g_strdup_printf ("%s%d",
- dev_base[base],
- n);
-
- /*
- * does the /dev/ entry exist at all?
- */
- if (stat (device, &s) == 0) {
- /*
- * yes: is a device attached?
- */
- if (S_ISCHR (s.st_mode)) {
-
- if ((fd = open (device, O_RDWR | O_NONBLOCK)) > 0 || errno == EBUSY) {
- if (fd > 0)
- close (fd);
-
- devices = g_list_append (devices, device);
- break;
- }
- }
- }
- g_free (device);
- }
- }
- init = TRUE;
- }
-
- *klass_devices = devices;
-
- return init;
-}
-
-void
-gst_v4l2_probe_probe_property (GstPropertyProbe * probe,
- guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
-{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
-
- switch (prop_id) {
- case PROP_DEVICE:
- gst_v4l2_class_probe_devices (klass, FALSE, klass_devices);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
- break;
- }
-}
-
-gboolean
-gst_v4l2_probe_needs_probe (GstPropertyProbe * probe,
- guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
-{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
- gboolean ret = FALSE;
-
- switch (prop_id) {
- case PROP_DEVICE:
- ret = !gst_v4l2_class_probe_devices (klass, TRUE, klass_devices);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
- break;
- }
- return ret;
-}
-
-static GValueArray *
-gst_v4l2_class_list_devices (GstElementClass * klass, GList ** klass_devices)
-{
- GValueArray *array;
- GValue value = { 0 };
- GList *item;
-
- if (!*klass_devices)
- return NULL;
-
- array = g_value_array_new (g_list_length (*klass_devices));
- item = *klass_devices;
- g_value_init (&value, G_TYPE_STRING);
- while (item) {
- gchar *device = item->data;
-
- g_value_set_string (&value, device);
- g_value_array_append (array, &value);
-
- item = item->next;
- }
- g_value_unset (&value);
-
- return array;
-}
-
-GValueArray *
-gst_v4l2_probe_get_values (GstPropertyProbe * probe,
- guint prop_id, const GParamSpec * pspec, GList ** klass_devices)
-{
- GstElementClass *klass = GST_ELEMENT_GET_CLASS (probe);
- GValueArray *array = NULL;
-
- switch (prop_id) {
- case PROP_DEVICE:
- array = gst_v4l2_class_list_devices (klass, klass_devices);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (probe, prop_id, pspec);
- break;
- }
-
- return array;
-}
-
-#define GST_TYPE_V4L2_DEVICE_FLAGS (gst_v4l2_device_get_type ())
-GType
-gst_v4l2_device_get_type (void)
-{
- static GType v4l2_device_type = 0;
-
- if (v4l2_device_type == 0) {
- static const GFlagsValue values[] = {
- {V4L2_CAP_VIDEO_CAPTURE, "Device supports video capture", "capture"},
- {V4L2_CAP_VIDEO_OUTPUT, "Device supports video playback", "output"},
- {V4L2_CAP_VIDEO_OVERLAY, "Device supports video overlay", "overlay"},
-
- {V4L2_CAP_VBI_CAPTURE, "Device supports the VBI capture", "vbi-capture"},
- {V4L2_CAP_VBI_OUTPUT, "Device supports the VBI output", "vbi-output"},
-
- {V4L2_CAP_TUNER, "Device has a tuner or modulator", "tuner"},
- {V4L2_CAP_AUDIO, "Device has audio inputs or outputs", "audio"},
-
- {0, NULL, NULL}
- };
-
- v4l2_device_type =
- g_flags_register_static ("GstV4l2DeviceTypeFlags", values);
- }
-
- return v4l2_device_type;
-}
-
-void
-gst_v4l2_object_install_properties_helper (GObjectClass * gobject_class)
-{
- g_object_class_install_property (gobject_class, PROP_DEVICE,
- g_param_spec_string ("device", "Device", "Device location",
- DEFAULT_PROP_DEVICE, G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, PROP_DEVICE_NAME,
- g_param_spec_string ("device-name", "Device name",
- "Name of the device", DEFAULT_PROP_DEVICE_NAME, G_PARAM_READABLE));
- g_object_class_install_property (gobject_class, PROP_FLAGS,
- g_param_spec_flags ("flags", "Flags", "Device type flags",
- GST_TYPE_V4L2_DEVICE_FLAGS, DEFAULT_PROP_FLAGS, G_PARAM_READABLE));
-/* FIXME norm, channel, frequency are part of the tuner interface, so they
- should be removed from the properties
- g_object_class_install_property (gobject_class, PROP_NORM,
- g_param_spec_string ("norm", "Norm", "Standard norm to use",
- DEFAULT_PROP_NORM, G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, PROP_CHANNEL,
- g_param_spec_string ("channel", "Channel",
- "Input/output channel to switch to", DEFAULT_PROP_CHANNEL,
- G_PARAM_READWRITE));
- g_object_class_install_property (gobject_class, PROP_FREQUENCY,
- g_param_spec_ulong ("frequency", "Frequency",
- "Frequency to tune to (in Hz)", 0, G_MAXULONG, DEFAULT_PROP_FREQUENCY,
- G_PARAM_READWRITE));
-*/
-}
-
-GstV4l2Object *
-gst_v4l2_object_new (GstElement * element,
- GstV4l2GetInOutFunction get_in_out_func,
- GstV4l2SetInOutFunction set_in_out_func,
- GstV4l2UpdateFpsFunction update_fps_func)
-{
- GstV4l2Object *v4l2object;
-
- /*
- * some default values
- */
- v4l2object = g_new0 (GstV4l2Object, 1);
-
- v4l2object->element = element;
- v4l2object->get_in_out_func = get_in_out_func;
- v4l2object->set_in_out_func = set_in_out_func;
- v4l2object->update_fps_func = update_fps_func;
-
- v4l2object->video_fd = -1;
- v4l2object->buffer = NULL;
- v4l2object->videodev = g_strdup (DEFAULT_PROP_DEVICE);
-
- v4l2object->norms = NULL;
- v4l2object->channels = NULL;
- v4l2object->colors = NULL;
-
- v4l2object->xwindow_id = 0;
-
- return v4l2object;
-}
-
-void
-gst_v4l2_object_destroy (GstV4l2Object ** v4l2object)
-{
- if (*v4l2object) {
- if ((*v4l2object)->videodev) {
- g_free ((*v4l2object)->videodev);
- (*v4l2object)->videodev = NULL;
- }
-
- g_free (*v4l2object);
- *v4l2object = NULL;
- }
-}
-
-gboolean
-gst_v4l2_object_set_property_helper (GstV4l2Object * v4l2object,
- guint prop_id, const GValue * value, GParamSpec * pspec)
-{
- switch (prop_id) {
- case PROP_DEVICE:
- g_free (v4l2object->videodev);
- v4l2object->videodev = g_value_dup_string (value);
- break;
- case PROP_NORM:
- if (GST_V4L2_IS_OPEN (v4l2object)) {
- GstTuner *tuner = GST_TUNER (v4l2object->element);
- GstTunerNorm *norm = gst_tuner_find_norm_by_name (tuner,
- (gchar *) g_value_get_string (value));
-
- if (norm) {
- /* like gst_tuner_set_norm (tuner, norm)
- without g_object_notify */
- gst_v4l2_tuner_set_norm (v4l2object, norm);
- }
- } else {
- g_free (v4l2object->norm);
- v4l2object->norm = g_value_dup_string (value);
- }
- break;
- case PROP_CHANNEL:
- if (GST_V4L2_IS_OPEN (v4l2object)) {
- GstTuner *tuner = GST_TUNER (v4l2object->element);
- GstTunerChannel *channel = gst_tuner_find_channel_by_name (tuner,
- (gchar *) g_value_get_string (value));
-
- if (channel) {
- /* like gst_tuner_set_channel (tuner, channel)
- without g_object_notify */
- gst_v4l2_tuner_set_channel (v4l2object, channel);
- }
- } else {
- g_free (v4l2object->channel);
- v4l2object->channel = g_value_dup_string (value);
- }
- break;
- case PROP_FREQUENCY:
- if (GST_V4L2_IS_OPEN (v4l2object)) {
- GstTuner *tuner = GST_TUNER (v4l2object->element);
- GstTunerChannel *channel = gst_tuner_get_channel (tuner);
-
- if (channel &&
- GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
- /* like
- gst_tuner_set_frequency (tuner, channel, g_value_get_ulong (value))
- without g_object_notify */
- gst_v4l2_tuner_set_frequency (v4l2object, channel,
- g_value_get_ulong (value));
- }
- } else {
- v4l2object->frequency = g_value_get_ulong (value);
- }
- break;
- default:
- return FALSE;
- break;
- }
- return TRUE;
-}
-
-
-gboolean
-gst_v4l2_object_get_property_helper (GstV4l2Object * v4l2object,
- guint prop_id, GValue * value, GParamSpec * pspec)
-{
- switch (prop_id) {
- case PROP_DEVICE:
- g_value_set_string (value, v4l2object->videodev);
- break;
- case PROP_DEVICE_NAME:
- {
- const guchar *new = NULL;
-
- if (GST_V4L2_IS_OPEN (v4l2object)) {
- new = v4l2object->vcap.card;
- } else if (gst_v4l2_open (v4l2object)) {
- new = v4l2object->vcap.card;
- gst_v4l2_close (v4l2object);
- }
- g_value_set_string (value, (gchar *) new);
- break;
- }
- case PROP_FLAGS:
- {
- guint flags = 0;
-
- if (GST_V4L2_IS_OPEN (v4l2object)) {
- flags |= v4l2object->vcap.capabilities &
- (V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_VIDEO_OUTPUT |
- V4L2_CAP_VIDEO_OVERLAY |
- V4L2_CAP_VBI_CAPTURE |
- V4L2_CAP_VBI_OUTPUT | V4L2_CAP_TUNER | V4L2_CAP_AUDIO);
- }
- g_value_set_flags (value, flags);
- break;
- }
- case PROP_NORM:
- g_value_set_string (value, v4l2object->norm);
- break;
- case PROP_CHANNEL:
- g_value_set_string (value, v4l2object->channel);
- break;
- case PROP_FREQUENCY:
- g_value_set_ulong (value, v4l2object->frequency);
- break;
- default:
- return FALSE;
- break;
- }
- return TRUE;
-}
-
-static void
-gst_v4l2_set_defaults (GstV4l2Object * v4l2object)
-{
- GstTunerNorm *norm = NULL;
- GstTunerChannel *channel = NULL;
- GstTuner *tuner = GST_TUNER (v4l2object->element);
-
- if (v4l2object->norm)
- norm = gst_tuner_find_norm_by_name (tuner, v4l2object->norm);
- if (norm) {
- gst_tuner_set_norm (tuner, norm);
- } else {
- norm =
- GST_TUNER_NORM (gst_tuner_get_norm (GST_TUNER (v4l2object->element)));
- if (norm) {
- g_free (v4l2object->norm);
- v4l2object->norm = g_strdup (norm->label);
- gst_tuner_norm_changed (tuner, norm);
-/* FIXME: remove
- g_object_notify (G_OBJECT (v4l2object->element), "norm");
-*/
- }
- }
-
- if (v4l2object->channel)
- channel = gst_tuner_find_channel_by_name (tuner, v4l2object->channel);
- if (channel) {
- gst_tuner_set_channel (tuner, channel);
- } else {
- channel =
- GST_TUNER_CHANNEL (gst_tuner_get_channel (GST_TUNER (v4l2object->
- element)));
- g_free (v4l2object->channel);
- v4l2object->channel = g_strdup (channel->label);
- gst_tuner_channel_changed (tuner, channel);
-/* FIXME: remove
- g_object_notify (G_OBJECT (v4l2object->element), "channel");
-*/
- }
-
- if (GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) {
- if (v4l2object->frequency != 0) {
- gst_tuner_set_frequency (tuner, channel, v4l2object->frequency);
- } else {
- v4l2object->frequency = gst_tuner_get_frequency (tuner, channel);
- if (v4l2object->frequency == 0) {
- /* guess */
- gst_tuner_set_frequency (tuner, channel, 1000);
- } else {
-/* FIXME: remove
- g_object_notify (G_OBJECT (v4l2object->element), "frequency");
-*/
- }
- }
- }
-}
-
-gboolean
-gst_v4l2_object_start (GstV4l2Object * v4l2object)
-{
- if (gst_v4l2_open (v4l2object))
- gst_v4l2_set_defaults (v4l2object);
- else
- return FALSE;
-
-#ifdef HAVE_XVIDEO
- gst_v4l2_xoverlay_start (v4l2object);
-#endif
-
- return TRUE;
-}
-
-gboolean
-gst_v4l2_object_stop (GstV4l2Object * v4l2object)
-{
-#ifdef HAVE_XVIDEO
- gst_v4l2_xoverlay_stop (v4l2object);
-#endif
-
- if (!gst_v4l2_close (v4l2object))
- return FALSE;
-
- return TRUE;
-}