diff options
Diffstat (limited to 'sys/v4l/gstv4ltuner.c')
-rw-r--r-- | sys/v4l/gstv4ltuner.c | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/sys/v4l/gstv4ltuner.c b/sys/v4l/gstv4ltuner.c deleted file mode 100644 index 8f432b4b..00000000 --- a/sys/v4l/gstv4ltuner.c +++ /dev/null @@ -1,328 +0,0 @@ -/* GStreamer - * - * gstv4ltuner.c: tuner interface implementation for V4L - * - * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> - * - * 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 <gst/gst.h> - -#include "gstv4ltuner.h" -#include "gstv4lelement.h" -#include "v4l_calls.h" - -static void gst_v4l_tuner_channel_class_init (GstV4lTunerChannelClass * klass); -static void gst_v4l_tuner_channel_init (GstV4lTunerChannel * channel); - -static void gst_v4l_tuner_norm_class_init (GstV4lTunerNormClass * klass); -static void gst_v4l_tuner_norm_init (GstV4lTunerNorm * norm); - -static const GList *gst_v4l_tuner_list_channels (GstTuner * tuner); -static void gst_v4l_tuner_set_channel (GstTuner * tuner, - GstTunerChannel * channel); -static GstTunerChannel *gst_v4l_tuner_get_channel (GstTuner * tuner); - -static const GList *gst_v4l_tuner_list_norms (GstTuner * tuner); -static void gst_v4l_tuner_set_norm (GstTuner * tuner, GstTunerNorm * norm); -static GstTunerNorm *gst_v4l_tuner_get_norm (GstTuner * tuner); - -static void gst_v4l_tuner_set_frequency (GstTuner * tuner, - GstTunerChannel * channel, gulong frequency); -static gulong gst_v4l_tuner_get_frequency (GstTuner * tuner, - GstTunerChannel * channel); -static gint gst_v4l_tuner_signal_strength (GstTuner * tuner, - GstTunerChannel * channel); - -static GstTunerNormClass *norm_parent_class = NULL; -static GstTunerChannelClass *channel_parent_class = NULL; - -GType -gst_v4l_tuner_channel_get_type (void) -{ - static GType gst_v4l_tuner_channel_type = 0; - - if (!gst_v4l_tuner_channel_type) { - static const GTypeInfo v4l_tuner_channel_info = { - sizeof (GstV4lTunerChannelClass), - NULL, - NULL, - (GClassInitFunc) gst_v4l_tuner_channel_class_init, - NULL, - NULL, - sizeof (GstV4lTunerChannel), - 0, - (GInstanceInitFunc) gst_v4l_tuner_channel_init, - NULL - }; - - gst_v4l_tuner_channel_type = - g_type_register_static (GST_TYPE_TUNER_CHANNEL, - "GstV4lTunerChannel", &v4l_tuner_channel_info, 0); - } - - return gst_v4l_tuner_channel_type; -} - -static void -gst_v4l_tuner_channel_class_init (GstV4lTunerChannelClass * klass) -{ - channel_parent_class = g_type_class_peek_parent (klass); -} - -static void -gst_v4l_tuner_channel_init (GstV4lTunerChannel * channel) -{ - channel->index = 0; - channel->audio = 0; - channel->tuner = 0; -} - -GType -gst_v4l_tuner_norm_get_type (void) -{ - static GType gst_v4l_tuner_norm_type = 0; - - if (!gst_v4l_tuner_norm_type) { - static const GTypeInfo v4l_tuner_norm_info = { - sizeof (GstV4lTunerNormClass), - NULL, - NULL, - (GClassInitFunc) gst_v4l_tuner_norm_class_init, - NULL, - NULL, - sizeof (GstV4lTunerNorm), - 0, - (GInstanceInitFunc) gst_v4l_tuner_norm_init, - NULL - }; - - gst_v4l_tuner_norm_type = - g_type_register_static (GST_TYPE_TUNER_NORM, - "GstV4lTunerNorm", &v4l_tuner_norm_info, 0); - } - - return gst_v4l_tuner_norm_type; -} - -static void -gst_v4l_tuner_norm_class_init (GstV4lTunerNormClass * klass) -{ - norm_parent_class = g_type_class_peek_parent (klass); -} - -static void -gst_v4l_tuner_norm_init (GstV4lTunerNorm * norm) -{ - norm->index = 0; -} - -void -gst_v4l_tuner_interface_init (GstTunerClass * klass) -{ - /* default virtual functions */ - klass->list_channels = gst_v4l_tuner_list_channels; - klass->set_channel = gst_v4l_tuner_set_channel; - klass->get_channel = gst_v4l_tuner_get_channel; - - klass->list_norms = gst_v4l_tuner_list_norms; - klass->set_norm = gst_v4l_tuner_set_norm; - klass->get_norm = gst_v4l_tuner_get_norm; - - klass->set_frequency = gst_v4l_tuner_set_frequency; - klass->get_frequency = gst_v4l_tuner_get_frequency; - klass->signal_strength = gst_v4l_tuner_signal_strength; -} - -static G_GNUC_UNUSED gboolean -gst_v4l_tuner_contains_channel (GstV4lElement * v4lelement, - GstV4lTunerChannel * v4lchannel) -{ - const GList *item; - - for (item = v4lelement->channels; item != NULL; item = item->next) - if (item->data == v4lchannel) - return TRUE; - - return FALSE; -} - -static const GList * -gst_v4l_tuner_list_channels (GstTuner * tuner) -{ - return GST_V4LELEMENT (tuner)->channels; -} - -static void -gst_v4l_tuner_set_channel (GstTuner * tuner, GstTunerChannel * channel) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL (channel); - gint norm; - - /* assert that we're opened and that we're using a known item */ - g_return_if_fail (GST_V4L_IS_OPEN (v4lelement)); - g_return_if_fail (gst_v4l_tuner_contains_channel (v4lelement, v4lchannel)); - - gst_v4l_get_chan_norm (v4lelement, NULL, &norm); - gst_v4l_set_chan_norm (v4lelement, v4lchannel->index, norm); -} - -static GstTunerChannel * -gst_v4l_tuner_get_channel (GstTuner * tuner) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GList *item; - gint channel; - - /* assert that we're opened */ - g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), NULL); - - gst_v4l_get_chan_norm (v4lelement, &channel, NULL); - - for (item = v4lelement->channels; item != NULL; item = item->next) { - if (channel == GST_V4L_TUNER_CHANNEL (item->data)->index) - return GST_TUNER_CHANNEL (item->data); - } - - return NULL; -} - -static G_GNUC_UNUSED gboolean -gst_v4l_tuner_contains_norm (GstV4lElement * v4lelement, - GstV4lTunerNorm * v4lnorm) -{ - const GList *item; - - for (item = v4lelement->norms; item != NULL; item = item->next) - if (item->data == v4lnorm) - return TRUE; - - return FALSE; -} - -static const GList * -gst_v4l_tuner_list_norms (GstTuner * tuner) -{ - return GST_V4LELEMENT (tuner)->norms; -} - -static void -gst_v4l_tuner_set_norm (GstTuner * tuner, GstTunerNorm * norm) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GstV4lTunerNorm *v4lnorm = GST_V4L_TUNER_NORM (norm); - gint channel; - - /* assert that we're opened and that we're using a known item */ - g_return_if_fail (GST_V4L_IS_OPEN (v4lelement)); - g_return_if_fail (gst_v4l_tuner_contains_norm (v4lelement, v4lnorm)); - - gst_v4l_get_chan_norm (v4lelement, &channel, NULL); - gst_v4l_set_chan_norm (v4lelement, channel, v4lnorm->index); -} - -static GstTunerNorm * -gst_v4l_tuner_get_norm (GstTuner * tuner) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GList *item; - gint norm; - - /* assert that we're opened */ - g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), NULL); - - gst_v4l_get_chan_norm (v4lelement, NULL, &norm); - - for (item = v4lelement->norms; item != NULL; item = item->next) { - if (norm == GST_V4L_TUNER_NORM (item->data)->index) - return GST_TUNER_NORM (item->data); - } - - return NULL; -} - -static void -gst_v4l_tuner_set_frequency (GstTuner * tuner, - GstTunerChannel * channel, gulong frequency) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL (channel); - gint chan; - - /* assert that we're opened and that we're using a known item */ - g_return_if_fail (GST_V4L_IS_OPEN (v4lelement)); - g_return_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel, - GST_TUNER_CHANNEL_FREQUENCY)); - g_return_if_fail (gst_v4l_tuner_contains_channel (v4lelement, v4lchannel)); - - gst_v4l_get_chan_norm (v4lelement, &chan, NULL); - if (chan == GST_V4L_TUNER_CHANNEL (channel)->index) { - gst_v4l_set_frequency (v4lelement, v4lchannel->tuner, frequency); - } -} - -static gulong -gst_v4l_tuner_get_frequency (GstTuner * tuner, GstTunerChannel * channel) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL (channel); - gint chan; - gulong frequency = 0; - - /* assert that we're opened and that we're using a known item */ - g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), 0); - g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel, - GST_TUNER_CHANNEL_FREQUENCY), 0); - g_return_val_if_fail (gst_v4l_tuner_contains_channel (v4lelement, - v4lchannel), 0); - - gst_v4l_get_chan_norm (v4lelement, &chan, NULL); - if (chan == GST_V4L_TUNER_CHANNEL (channel)->index) { - gst_v4l_get_frequency (v4lelement, v4lchannel->tuner, &frequency); - } - - return frequency; -} - -static gint -gst_v4l_tuner_signal_strength (GstTuner * tuner, GstTunerChannel * channel) -{ - GstV4lElement *v4lelement = GST_V4LELEMENT (tuner); - GstV4lTunerChannel *v4lchannel = GST_V4L_TUNER_CHANNEL (channel); - gint chan; - guint signal = 0; - - /* assert that we're opened and that we're using a known item */ - g_return_val_if_fail (GST_V4L_IS_OPEN (v4lelement), 0); - g_return_val_if_fail (GST_TUNER_CHANNEL_HAS_FLAG (channel, - GST_TUNER_CHANNEL_FREQUENCY), 0); - g_return_val_if_fail (gst_v4l_tuner_contains_channel (v4lelement, - v4lchannel), 0); - - gst_v4l_get_chan_norm (v4lelement, &chan, NULL); - if (chan == GST_V4L_TUNER_CHANNEL (channel)->index && - GST_TUNER_CHANNEL_HAS_FLAG (channel, GST_TUNER_CHANNEL_FREQUENCY)) { - gst_v4l_get_signal (v4lelement, v4lchannel->tuner, &signal); - } - - return (gint) signal; -} |