summaryrefslogtreecommitdiffstats
path: root/gst/dtmf/gstrtpdtmfdepay.c
diff options
context:
space:
mode:
Diffstat (limited to 'gst/dtmf/gstrtpdtmfdepay.c')
-rw-r--r--gst/dtmf/gstrtpdtmfdepay.c165
1 files changed, 82 insertions, 83 deletions
diff --git a/gst/dtmf/gstrtpdtmfdepay.c b/gst/dtmf/gstrtpdtmfdepay.c
index 20321893..3b2097a4 100644
--- a/gst/dtmf/gstrtpdtmfdepay.c
+++ b/gst/dtmf/gstrtpdtmfdepay.c
@@ -35,9 +35,9 @@
#endif
-#define DEFAULT_PACKET_INTERVAL 50 /* ms */
-#define MIN_PACKET_INTERVAL 10 /* ms */
-#define MAX_PACKET_INTERVAL 50 /* ms */
+#define DEFAULT_PACKET_INTERVAL 50 /* ms */
+#define MIN_PACKET_INTERVAL 10 /* ms */
+#define MAX_PACKET_INTERVAL 50 /* ms */
#define SAMPLE_RATE 8000
#define SAMPLE_SIZE 16
#define CHANNELS 1
@@ -55,51 +55,53 @@
#define DEFAULT_MAX_DURATION 0
-typedef struct st_dtmf_key {
- char *event_name;
- int event_encoding;
- float low_frequency;
- float high_frequency;
+typedef struct st_dtmf_key
+{
+ char *event_name;
+ int event_encoding;
+ float low_frequency;
+ float high_frequency;
} DTMF_KEY;
static const DTMF_KEY DTMF_KEYS[] = {
- {"DTMF_KEY_EVENT_0", 0, 941, 1336},
- {"DTMF_KEY_EVENT_1", 1, 697, 1209},
- {"DTMF_KEY_EVENT_2", 2, 697, 1336},
- {"DTMF_KEY_EVENT_3", 3, 697, 1477},
- {"DTMF_KEY_EVENT_4", 4, 770, 1209},
- {"DTMF_KEY_EVENT_5", 5, 770, 1336},
- {"DTMF_KEY_EVENT_6", 6, 770, 1477},
- {"DTMF_KEY_EVENT_7", 7, 852, 1209},
- {"DTMF_KEY_EVENT_8", 8, 852, 1336},
- {"DTMF_KEY_EVENT_9", 9, 852, 1477},
- {"DTMF_KEY_EVENT_S", 10, 941, 1209},
- {"DTMF_KEY_EVENT_P", 11, 941, 1477},
- {"DTMF_KEY_EVENT_A", 12, 697, 1633},
- {"DTMF_KEY_EVENT_B", 13, 770, 1633},
- {"DTMF_KEY_EVENT_C", 14, 852, 1633},
- {"DTMF_KEY_EVENT_D", 15, 941, 1633},
+ {"DTMF_KEY_EVENT_0", 0, 941, 1336},
+ {"DTMF_KEY_EVENT_1", 1, 697, 1209},
+ {"DTMF_KEY_EVENT_2", 2, 697, 1336},
+ {"DTMF_KEY_EVENT_3", 3, 697, 1477},
+ {"DTMF_KEY_EVENT_4", 4, 770, 1209},
+ {"DTMF_KEY_EVENT_5", 5, 770, 1336},
+ {"DTMF_KEY_EVENT_6", 6, 770, 1477},
+ {"DTMF_KEY_EVENT_7", 7, 852, 1209},
+ {"DTMF_KEY_EVENT_8", 8, 852, 1336},
+ {"DTMF_KEY_EVENT_9", 9, 852, 1477},
+ {"DTMF_KEY_EVENT_S", 10, 941, 1209},
+ {"DTMF_KEY_EVENT_P", 11, 941, 1477},
+ {"DTMF_KEY_EVENT_A", 12, 697, 1633},
+ {"DTMF_KEY_EVENT_B", 13, 770, 1633},
+ {"DTMF_KEY_EVENT_C", 14, 852, 1633},
+ {"DTMF_KEY_EVENT_D", 15, 941, 1633},
};
#define MAX_DTMF_EVENTS 16
-enum {
-DTMF_KEY_EVENT_1 = 1,
-DTMF_KEY_EVENT_2 = 2,
-DTMF_KEY_EVENT_3 = 3,
-DTMF_KEY_EVENT_4 = 4,
-DTMF_KEY_EVENT_5 = 5,
-DTMF_KEY_EVENT_6 = 6,
-DTMF_KEY_EVENT_7 = 7,
-DTMF_KEY_EVENT_8 = 8,
-DTMF_KEY_EVENT_9 = 9,
-DTMF_KEY_EVENT_0 = 0,
-DTMF_KEY_EVENT_STAR = 10,
-DTMF_KEY_EVENT_POUND = 11,
-DTMF_KEY_EVENT_A = 12,
-DTMF_KEY_EVENT_B = 13,
-DTMF_KEY_EVENT_C = 14,
-DTMF_KEY_EVENT_D = 15,
+enum
+{
+ DTMF_KEY_EVENT_1 = 1,
+ DTMF_KEY_EVENT_2 = 2,
+ DTMF_KEY_EVENT_3 = 3,
+ DTMF_KEY_EVENT_4 = 4,
+ DTMF_KEY_EVENT_5 = 5,
+ DTMF_KEY_EVENT_6 = 6,
+ DTMF_KEY_EVENT_7 = 7,
+ DTMF_KEY_EVENT_8 = 8,
+ DTMF_KEY_EVENT_9 = 9,
+ DTMF_KEY_EVENT_0 = 0,
+ DTMF_KEY_EVENT_STAR = 10,
+ DTMF_KEY_EVENT_POUND = 11,
+ DTMF_KEY_EVENT_A = 12,
+ DTMF_KEY_EVENT_B = 13,
+ DTMF_KEY_EVENT_C = 14,
+ DTMF_KEY_EVENT_D = 15,
};
/* elementfactory information */
@@ -141,8 +143,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
"depth = (int) 16, "
"endianness = (int) " G_STRINGIFY (G_BYTE_ORDER) ", "
"signed = (boolean) true, "
- "rate = (int) [0, MAX], "
- "channels = (int) 1")
+ "rate = (int) [0, MAX], " "channels = (int) 1")
);
static GstStaticPadTemplate gst_rtp_dtmf_depay_sink_template =
@@ -180,7 +181,7 @@ gst_rtp_dtmf_depay_base_init (gpointer klass)
GST_DEBUG_CATEGORY_INIT (gst_rtp_dtmf_depay_debug,
- "rtpdtmfdepay", 0, "rtpdtmfdepay element");
+ "rtpdtmfdepay", 0, "rtpdtmfdepay element");
gst_element_class_set_details (element_class, &gst_rtp_dtmfdepay_details);
}
@@ -203,20 +204,20 @@ gst_rtp_dtmf_depay_class_init (GstRtpDTMFDepayClass * klass)
GST_DEBUG_FUNCPTR (gst_rtp_dtmf_depay_get_property);
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_UNIT_TIME,
- g_param_spec_uint ("unit-time", "Duration unittime",
- "The smallest unit (ms) the duration must be a multiple of (0 disables it)", MIN_UNIT_TIME,
- MAX_UNIT_TIME, DEFAULT_UNIT_TIME, G_PARAM_READWRITE));
+ g_param_spec_uint ("unit-time", "Duration unittime",
+ "The smallest unit (ms) the duration must be a multiple of (0 disables it)",
+ MIN_UNIT_TIME, MAX_UNIT_TIME, DEFAULT_UNIT_TIME, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_DURATION,
- g_param_spec_uint ("max-duration", "Maximum duration",
- "The maxumimum duration (ms) of the outgoing soundpacket. "
- "(0 = no limit)", 0, G_MAXUINT, DEFAULT_MAX_DURATION,
- G_PARAM_READWRITE));
+ g_param_spec_uint ("max-duration", "Maximum duration",
+ "The maxumimum duration (ms) of the outgoing soundpacket. "
+ "(0 = no limit)", 0, G_MAXUINT, DEFAULT_MAX_DURATION,
+ G_PARAM_READWRITE));
gstbasertpdepayload_class->process =
- GST_DEBUG_FUNCPTR (gst_rtp_dtmf_depay_process);
+ GST_DEBUG_FUNCPTR (gst_rtp_dtmf_depay_process);
gstbasertpdepayload_class->set_caps =
- GST_DEBUG_FUNCPTR (gst_rtp_dtmf_depay_setcaps);
+ GST_DEBUG_FUNCPTR (gst_rtp_dtmf_depay_setcaps);
}
@@ -231,7 +232,7 @@ static void
gst_rtp_dtmf_depay_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
- GstRtpDTMFDepay * rtpdtmfdepay;
+ GstRtpDTMFDepay *rtpdtmfdepay;
rtpdtmfdepay = GST_RTP_DTMF_DEPAY (object);
@@ -252,7 +253,7 @@ static void
gst_rtp_dtmf_depay_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
- GstRtpDTMFDepay * rtpdtmfdepay;
+ GstRtpDTMFDepay *rtpdtmfdepay;
rtpdtmfdepay = GST_RTP_DTMF_DEPAY (object);
@@ -274,7 +275,7 @@ gst_rtp_dtmf_depay_setcaps (GstBaseRTPDepayload * filter, GstCaps * caps)
{
GstCaps *srccaps;
GstStructure *structure = gst_caps_get_structure (caps, 0);
- gint clock_rate = 8000; /* default */
+ gint clock_rate = 8000; /* default */
gst_structure_get_int (structure, "clock-rate", &clock_rate);
filter->clock_rate = clock_rate;
@@ -284,8 +285,7 @@ gst_rtp_dtmf_depay_setcaps (GstBaseRTPDepayload * filter, GstCaps * caps)
"depth", G_TYPE_INT, 16,
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"signed", G_TYPE_BOOLEAN, TRUE,
- "channels", G_TYPE_INT, 1,
- "rate", G_TYPE_INT, clock_rate, NULL);
+ "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, clock_rate, NULL);
gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (filter), srccaps);
gst_caps_unref (srccaps);
@@ -293,7 +293,7 @@ gst_rtp_dtmf_depay_setcaps (GstBaseRTPDepayload * filter, GstCaps * caps)
}
static void
-gst_dtmf_src_generate_tone(GstRtpDTMFDepay *rtpdtmfdepay,
+gst_dtmf_src_generate_tone (GstRtpDTMFDepay * rtpdtmfdepay,
GstRTPDTMFPayload payload, GstBuffer * buffer)
{
gint16 *p;
@@ -302,16 +302,16 @@ gst_dtmf_src_generate_tone(GstRtpDTMFDepay *rtpdtmfdepay,
double amplitude, f1, f2;
double volume_factor;
DTMF_KEY key = DTMF_KEYS[payload.event];
- guint32 clock_rate = 8000 /* default */;
- GstBaseRTPDepayload * depayload = GST_BASE_RTP_DEPAYLOAD (rtpdtmfdepay);
+ guint32 clock_rate = 8000 /* default */ ;
+ GstBaseRTPDepayload *depayload = GST_BASE_RTP_DEPAYLOAD (rtpdtmfdepay);
gint volume;
clock_rate = depayload->clock_rate;
/* Create a buffer for the tone */
- tone_size = (payload.duration*SAMPLE_SIZE*CHANNELS)/8;
+ tone_size = (payload.duration * SAMPLE_SIZE * CHANNELS) / 8;
GST_BUFFER_SIZE (buffer) = tone_size;
- GST_BUFFER_MALLOCDATA (buffer) = g_malloc(tone_size);
+ GST_BUFFER_MALLOCDATA (buffer) = g_malloc (tone_size);
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer);
GST_BUFFER_DURATION (buffer) = payload.duration * GST_SECOND / clock_rate;
volume = payload.volume;
@@ -324,12 +324,14 @@ gst_dtmf_src_generate_tone(GstRtpDTMFDepay *rtpdtmfdepay,
* For each sample point we calculate 'x' as the
* the amplitude value.
*/
- for (i = 0; i < (tone_size / (SAMPLE_SIZE/8)); i++) {
+ for (i = 0; i < (tone_size / (SAMPLE_SIZE / 8)); i++) {
/*
* We add the fundamental frequencies together.
*/
- f1 = sin(2 * M_PI * key.low_frequency * (rtpdtmfdepay->sample / clock_rate));
- f2 = sin(2 * M_PI * key.high_frequency * (rtpdtmfdepay->sample / clock_rate));
+ f1 = sin (2 * M_PI * key.low_frequency * (rtpdtmfdepay->sample /
+ clock_rate));
+ f2 = sin (2 * M_PI * key.high_frequency * (rtpdtmfdepay->sample /
+ clock_rate));
amplitude = (f1 + f2) / 2;
@@ -369,7 +371,7 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
payload_len = gst_rtp_buffer_get_payload_len (buf);
payload = gst_rtp_buffer_get_payload (buf);
- if (payload_len != sizeof(GstRTPDTMFPayload) )
+ if (payload_len != sizeof (GstRTPDTMFPayload))
goto bad_packet;
memcpy (&dtmf_payload, payload, sizeof (GstRTPDTMFPayload));
@@ -385,12 +387,10 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
dtmf_payload.duration = g_ntohs (dtmf_payload.duration);
/* clip to whole units of unit_time */
- if (rtpdtmfdepay->unit_time)
- {
+ if (rtpdtmfdepay->unit_time) {
guint unit_time_clock =
(rtpdtmfdepay->unit_time * depayload->clock_rate) / 1000;
- if (dtmf_payload.duration % unit_time_clock)
- {
+ if (dtmf_payload.duration % unit_time_clock) {
/* Make sure we don't overflow the duration */
if (dtmf_payload.duration < G_MAXUINT16 - unit_time_clock)
dtmf_payload.duration += unit_time_clock -
@@ -401,8 +401,7 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
}
/* clip to max duration */
- if (rtpdtmfdepay->max_duration)
- {
+ if (rtpdtmfdepay->max_duration) {
guint max_duration_clock =
(rtpdtmfdepay->max_duration * depayload->clock_rate) / 1000;
@@ -415,7 +414,8 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
"marker=%d - timestamp=%u - event=%d - duration=%d",
marker, timestamp, dtmf_payload.event, dtmf_payload.duration);
- GST_DEBUG_OBJECT (depayload, "Previous information : timestamp=%u - duration=%d",
+ GST_DEBUG_OBJECT (depayload,
+ "Previous information : timestamp=%u - duration=%d",
rtpdtmfdepay->previous_ts, rtpdtmfdepay->previous_duration);
/* First packet */
@@ -428,14 +428,14 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
structure = gst_structure_new ("dtmf-event",
"number", G_TYPE_INT, dtmf_payload.event,
"volume", G_TYPE_INT, dtmf_payload.volume,
- "type", G_TYPE_INT, 1,
- "method", G_TYPE_INT, 1,
- NULL);
+ "type", G_TYPE_INT, 1, "method", G_TYPE_INT, 1, NULL);
if (structure) {
- dtmf_message = gst_message_new_element (GST_OBJECT (depayload), structure);
+ dtmf_message =
+ gst_message_new_element (GST_OBJECT (depayload), structure);
if (dtmf_message) {
if (!gst_element_post_message (GST_ELEMENT (depayload), dtmf_message)) {
- GST_ERROR_OBJECT (depayload, "Unable to send dtmf-event message to bus");
+ GST_ERROR_OBJECT (depayload,
+ "Unable to send dtmf-event message to bus");
}
} else {
GST_ERROR_OBJECT (depayload, "Unable to create dtmf-event message");
@@ -460,7 +460,7 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
/* If late or duplicate packet (like the redundant end packet). Ignore */
if (dtmf_payload.duration > 0) {
outbuf = gst_buffer_new ();
- gst_dtmf_src_generate_tone(rtpdtmfdepay, dtmf_payload, outbuf);
+ gst_dtmf_src_generate_tone (rtpdtmfdepay, dtmf_payload, outbuf);
GST_BUFFER_TIMESTAMP (outbuf) = rtpdtmfdepay->first_gst_ts +
@@ -468,9 +468,9 @@ gst_rtp_dtmf_depay_process (GstBaseRTPDepayload * depayload, GstBuffer * buf)
GST_SECOND / depayload->clock_rate;
GST_BUFFER_OFFSET (outbuf) =
(rtpdtmfdepay->previous_duration - dtmf_payload.duration) *
- GST_SECOND / depayload->clock_rate;
+ GST_SECOND / depayload->clock_rate;
GST_BUFFER_OFFSET_END (outbuf) = rtpdtmfdepay->previous_duration *
- GST_SECOND / depayload->clock_rate;
+ GST_SECOND / depayload->clock_rate;
GST_DEBUG_OBJECT (depayload, "timestamp : %llu - time %" GST_TIME_FORMAT,
GST_BUFFER_TIMESTAMP (buf), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)));
@@ -492,4 +492,3 @@ gst_rtp_dtmf_depay_plugin_init (GstPlugin * plugin)
return gst_element_register (plugin, "rtpdtmfdepay",
GST_RANK_MARGINAL, GST_TYPE_RTP_DTMF_DEPAY);
}
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-31 21:44:24 +0000