--- /dev/null
+/* GStreamer
+ * Copyright (C) 2016 Iskratel d.o.o.
+ * Author: Okrslar Ales <okrslar@iskratel.si>
+ * Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.com>
+ *
+ * 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 "gsttonegeneratesrc.h"
+
+#undef IT_DBG
+
+GST_DEBUG_CATEGORY_STATIC (tone_generate_src_debug);
+#define GST_CAT_DEFAULT tone_generate_src_debug
+
+#define DEFAULT_SAMPLES_PER_BUFFER 1024
+#define DEFAULT_FREQ 0
+#define DEFAULT_VOLUME 0
+#define DEFAULT_ON_TIME 1000
+#define DEFAULT_OFF_TIME 1000
+#define DEFAULT_REPEAT FALSE
+
+enum
+{
+ PROP_0,
+ PROP_SAMPLES_PER_BUFFER,
+ PROP_FREQ,
+ PROP_VOLUME,
+ PROP_FREQ2,
+ PROP_VOLUME2,
+ PROP_ON_TIME,
+ PROP_OFF_TIME,
+ PROP_ON_TIME2,
+ PROP_OFF_TIME2,
+ PROP_REPEAT,
+ PROP_LAST
+};
+
+static GstStaticPadTemplate gst_tone_generate_src_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw, "
+ "format = (string) " GST_AUDIO_NE (S16) ", "
+ "layout = (string) interleaved, " "rate = (int) 8000, " "channels = 1")
+ );
+
+#define gst_tone_generate_src_parent_class parent_class
+G_DEFINE_TYPE (GstToneGenerateSrc, gst_tone_generate_src, GST_TYPE_PUSH_SRC);
+
+static void gst_tone_generate_src_finalize (GObject * object);
+static void gst_tone_generate_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_tone_generate_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static gboolean gst_tone_generate_src_start (GstBaseSrc * basesrc);
+static gboolean gst_tone_generate_src_stop (GstBaseSrc * basesrc);
+static GstFlowReturn gst_tone_generate_src_fill (GstPushSrc * basesrc,
+ GstBuffer * buffer);
+
+static void
+gst_tone_generate_src_class_init (GstToneGenerateSrcClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSrcClass *gstbasesrc_class;
+ GstPushSrcClass *gstpushsrc_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesrc_class = (GstBaseSrcClass *) klass;
+ gstpushsrc_class = (GstPushSrcClass *) klass;
+
+ gobject_class->set_property = gst_tone_generate_src_set_property;
+ gobject_class->get_property = gst_tone_generate_src_get_property;
+ gobject_class->finalize = gst_tone_generate_src_finalize;
+
+ g_object_class_install_property (gobject_class, PROP_SAMPLES_PER_BUFFER,
+ g_param_spec_int ("samplesperbuffer", "Samples per buffer",
+ "Number of samples in each outgoing buffer",
+ 1, G_MAXINT, DEFAULT_SAMPLES_PER_BUFFER,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_FREQ,
+ g_param_spec_int ("freq", "Frequency", "Frequency of test signal",
+ 0, 20000, DEFAULT_FREQ, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_VOLUME,
+ g_param_spec_int ("volume", "Volume",
+ "Volume of first signal",
+ -50, 0, DEFAULT_VOLUME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_FREQ2,
+ g_param_spec_int ("freq2", "Second Frequency",
+ "Frequency of second telephony tone component",
+ 0, 20000, DEFAULT_FREQ, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_VOLUME2,
+ g_param_spec_int ("volume2", "Volume2",
+ "Volume of second tone signal",
+ -50, 0, DEFAULT_VOLUME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_ON_TIME,
+ g_param_spec_int ("on-time", "Signal ON time first period",
+ "Time of the first period when the tone signal is present", 1,
+ G_MAXINT, DEFAULT_ON_TIME, G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class, PROP_OFF_TIME,
+ g_param_spec_int ("off-time", "Signal OFF time first period ",
+ "Time of the first period when the tone signal is off", 0, G_MAXINT,
+ DEFAULT_OFF_TIME, G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class, PROP_ON_TIME2,
+ g_param_spec_int ("on-time2", "Signal ON time second period",
+ "Time of the second period when the tone signal is present", 1,
+ G_MAXINT, DEFAULT_ON_TIME, G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class, PROP_OFF_TIME2,
+ g_param_spec_int ("off-time2", "Signal OFF time first period ",
+ "Time of the second period when the tone signal is off", 0, G_MAXINT,
+ DEFAULT_ON_TIME, G_PARAM_READWRITE));
+
+ g_object_class_install_property (gobject_class, PROP_REPEAT,
+ g_param_spec_boolean ("repeat", "Repeat the specified tone period ",
+ "Whether to repeat specified tone indefinitly", DEFAULT_REPEAT,
+ G_PARAM_READWRITE));
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_tone_generate_src_src_template));
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "Telephony Tone Generator source", "Source/Audio",
+ "Creates telephony signals of given frequency, volume, cadence",
+ "Iskratel <www.iskratel.com>");
+
+ gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_tone_generate_src_start);
+ gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_tone_generate_src_stop);
+ gstpushsrc_class->fill = GST_DEBUG_FUNCPTR (gst_tone_generate_src_fill);
+}
+
+static void
+gst_tone_generate_src_init (GstToneGenerateSrc * src)
+{
+ src->volume = DEFAULT_VOLUME;
+ src->freq = DEFAULT_FREQ;
+ src->on_time = DEFAULT_ON_TIME;
+ src->off_time = DEFAULT_OFF_TIME;
+ src->volume2 = DEFAULT_VOLUME;
+ src->freq2 = DEFAULT_FREQ;
+ src->on_time2 = DEFAULT_ON_TIME;
+ src->off_time2 = DEFAULT_OFF_TIME;
+ src->repeat = DEFAULT_REPEAT;
+
+ gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
+
+ src->samples_per_buffer = DEFAULT_SAMPLES_PER_BUFFER;
+ gst_base_src_set_blocksize (GST_BASE_SRC (src), 2 * src->samples_per_buffer);
+}
+
+static void
+gst_tone_generate_src_finalize (GObject * object)
+{
+ GstToneGenerateSrc *src = GST_TONE_GENERATE_SRC (object);
+
+ if (src->tone_desc) {
+ tone_gen_descriptor_free (src->tone_desc);
+ src->tone_desc = NULL;
+ }
+
+ if (src->tone_state) {
+ tone_gen_free (src->tone_state);
+ src->tone_state = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_tone_generate_src_start (GstBaseSrc * basesrc)
+{
+ GstToneGenerateSrc *src = GST_TONE_GENERATE_SRC (basesrc);
+
+ GST_OBJECT_LOCK (src);
+ src->properties_changed = FALSE;
+ GST_OBJECT_UNLOCK (src);
+
+ src->next_sample = 0;
+ src->next_time = 0;
+
+ return TRUE;
+}
+
+static gboolean
+gst_tone_generate_src_stop (GstBaseSrc * basesrc)
+{
+ GstToneGenerateSrc *src = GST_TONE_GENERATE_SRC (basesrc);
+
+ GST_OBJECT_LOCK (src);
+ if (src->tone_desc) {
+ tone_gen_descriptor_free (src->tone_desc);
+ src->tone_desc = NULL;
+ }
+
+ if (src->tone_state) {
+ tone_gen_free (src->tone_state);
+ src->tone_state = NULL;
+ }
+ src->properties_changed = FALSE;
+ GST_OBJECT_UNLOCK (src);
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_tone_generate_src_fill (GstPushSrc * basesrc, GstBuffer * buffer)
+{
+ GstToneGenerateSrc *src;
+ GstClockTime next_time;
+ gint64 next_sample;
+ gint bytes, samples;
+ GstMapInfo map;
+ const gint samplerate = 8000, bpf = 2;
+
+ src = GST_TONE_GENERATE_SRC (basesrc);
+
+ bytes = gst_buffer_get_size (buffer);
+ samples = bytes / bpf;
+
+ /* calculate full buffer */
+ next_sample = src->next_sample + samples;
+
+ next_time = gst_util_uint64_scale_int (next_sample, GST_SECOND, samplerate);
+
+ GST_LOG_OBJECT (src, "samplerate %d", samplerate);
+ GST_LOG_OBJECT (src, "next_sample %" G_GINT64_FORMAT ", ts %" GST_TIME_FORMAT,
+ next_sample, GST_TIME_ARGS (next_time));
+
+ GST_BUFFER_OFFSET (buffer) = src->next_sample;
+ GST_BUFFER_OFFSET_END (buffer) = next_sample;
+ GST_BUFFER_TIMESTAMP (buffer) = src->next_time;
+ GST_BUFFER_DURATION (buffer) = next_time - src->next_time;
+
+ gst_object_sync_values (GST_OBJECT (src), GST_BUFFER_TIMESTAMP (buffer));
+
+ src->next_time = next_time;
+ src->next_sample = next_sample;
+
+ GST_LOG_OBJECT (src, "generating %u samples at ts %" GST_TIME_FORMAT,
+ samples, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
+
+ gst_buffer_map (buffer, &map, GST_MAP_WRITE);
+
+ GST_OBJECT_LOCK (src);
+ if (!src->tone_state || src->properties_changed) {
+ src->tone_desc = tone_gen_descriptor_init (src->tone_desc,
+ src->freq,
+ src->volume,
+ src->freq2,
+ src->volume2,
+ src->on_time,
+ src->off_time, src->on_time2, src->off_time2, src->repeat);
+
+ src->tone_state = tone_gen_init (src->tone_state, src->tone_desc);
+ src->properties_changed = FALSE;
+ }
+
+ tone_gen (src->tone_state, (int16_t *) map.data, samples);
+ GST_OBJECT_UNLOCK (src);
+
+ gst_buffer_unmap (buffer, &map);
+
+ return GST_FLOW_OK;
+}
+
+static void
+gst_tone_generate_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstToneGenerateSrc *src = GST_TONE_GENERATE_SRC (object);
+
+ switch (prop_id) {
+ case PROP_SAMPLES_PER_BUFFER:
+ src->samples_per_buffer = g_value_get_int (value);
+ gst_base_src_set_blocksize (GST_BASE_SRC_CAST (src),
+ 2 * src->samples_per_buffer);
+ break;
+ case PROP_FREQ:
+ GST_OBJECT_LOCK (src);
+ src->freq = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_VOLUME:
+ GST_OBJECT_LOCK (src);
+ src->volume = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_FREQ2:
+ GST_OBJECT_LOCK (src);
+ src->freq2 = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_VOLUME2:
+ GST_OBJECT_LOCK (src);
+ src->volume2 = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_ON_TIME:
+ GST_OBJECT_LOCK (src);
+ src->on_time = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_ON_TIME2:
+ GST_OBJECT_LOCK (src);
+ src->on_time2 = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_OFF_TIME:
+ GST_OBJECT_LOCK (src);
+ src->off_time = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_OFF_TIME2:
+ GST_OBJECT_LOCK (src);
+ src->off_time2 = g_value_get_int (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ case PROP_REPEAT:
+ GST_OBJECT_LOCK (src);
+ src->repeat = g_value_get_boolean (value);
+ src->properties_changed = TRUE;
+ GST_OBJECT_UNLOCK (src);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_tone_generate_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstToneGenerateSrc *src = GST_TONE_GENERATE_SRC (object);
+
+ switch (prop_id) {
+ case PROP_SAMPLES_PER_BUFFER:
+ g_value_set_int (value, src->samples_per_buffer);
+ break;
+ case PROP_FREQ:
+ g_value_set_int (value, src->freq);
+ break;
+ case PROP_VOLUME:
+ g_value_set_int (value, src->volume);
+ break;
+ case PROP_FREQ2:
+ g_value_set_int (value, src->freq2);
+ break;
+ case PROP_VOLUME2:
+ g_value_set_int (value, src->volume2);
+ break;
+ case PROP_ON_TIME:
+ g_value_set_int (value, src->on_time);
+ break;
+ case PROP_OFF_TIME:
+ g_value_set_int (value, src->off_time);
+ break;
+ case PROP_ON_TIME2:
+ g_value_set_int (value, src->on_time2);
+ break;
+ case PROP_OFF_TIME2:
+ g_value_set_int (value, src->off_time2);
+ break;
+ case PROP_REPEAT:
+ g_value_set_boolean (value, src->repeat);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+gboolean
+gst_tone_generate_src_plugin_init (GstPlugin * plugin)
+{
+ GST_DEBUG_CATEGORY_INIT (tone_generate_src_debug, "tonegeneratesrc", 0,
+ "Telephony Tone Test Source");
+
+ return gst_element_register (plugin, "tonegeneratesrc",
+ GST_RANK_NONE, GST_TYPE_TONE_GENERATE_SRC);
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) 2016 Iskratel d.o.o.
+ * Author: Okrslar Ales <okrslar@iskratel.si>
+ * Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.com>
+ *
+ * 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.
+ */
+
+#ifndef __GST_TONE_GENERATE_SRC_H__
+#define __GST_TONE_GENERATE_SRC_H__
+
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesrc.h>
+
+#include <gst/audio/audio.h>
+#include <spandsp.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_TONE_GENERATE_SRC \
+ (gst_tone_generate_src_get_type())
+#define GST_TONE_GENERATE_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TONE_GENERATE_SRC,GstToneGenerateSrc))
+#define GST_TONE_GENERATE_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TONE_GENERATE_SRC,GstToneGenerateSrcClass))
+#define GST_IS_TONE_GENERATE_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TONE_GENERATE_SRC))
+#define GST_IS_TONE_GENERATE_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TONE_GENERATE_SRC))
+
+typedef struct _GstToneGenerateSrc GstToneGenerateSrc;
+typedef struct _GstToneGenerateSrcClass GstToneGenerateSrcClass;
+
+/**
+ * GstToneGenerateSrc:
+ *
+ * tonegeneratesrc object structure.
+ */
+struct _GstToneGenerateSrc {
+ GstPushSrc parent;
+
+ /* parameters */
+ gint volume; /* The level of the first frequency, in dBm0 */
+ gint volume2; /* The level of the second frequency, in dBm0, or the percentage modulation depth for an AM modulated tone. */
+ gint freq; /* The first frequency, in Hz */
+ gint freq2; /* 0 for no second frequency, a positive number for the second frequency, in Hz, or a negative number for an AM modulation frequency, in Hz */
+ gint on_time; /* On time for the first presence of tone signal. */
+ gint off_time; /* Off time between first and second presence of tone signal. */
+ gint on_time2; /* On time for the second presence of tone signal. */
+ gint off_time2; /* Off time after the second presence of tone signal. */
+ gboolean repeat; /* 0/1 if the tone repeates itself or not. */
+
+ /* audio parameters */
+ gint samples_per_buffer;
+
+ /*< private >*/
+ GstClockTime next_time; /* next timestamp */
+ gint64 next_sample; /* next sample to send */
+
+ /* SpanDSP */
+ tone_gen_state_t *tone_state;
+ tone_gen_descriptor_t *tone_desc;
+ gboolean properties_changed;
+};
+
+struct _GstToneGenerateSrcClass {
+ GstPushSrcClass parent_class;
+};
+
+GType gst_tone_generate_src_get_type (void);
+gboolean gst_tone_generate_src_plugin_init (GstPlugin *plugin);
+
+G_END_DECLS
+
+#endif /* __GST_TONE_GENERATE_SRC_H__ */
projects / platform / upstream / gstreamer.git / commitdiff