GNUnet 0.21.0
gnunet_gst.c File Reference

FIXME. More...

#include "platform.h"
#include "gnunet_gst_def.h"
Include dependency graph for gnunet_gst.c:

Go to the source code of this file.

Functions

void dump_buffer (unsigned n, const unsigned char *buf)
 
void gg_load_configuration (GNUNET_gstData *d)
 
static void write_data (const char *ptr, size_t msg_size)
 
GstFlowReturn on_appsink_new_sample (GstElement *element, GNUNET_gstData *d)
 
void pl_graph (GstElement *pipeline)
 
gboolean gnunet_gst_bus_call (GstBus *bus, GstMessage *msg, gpointer data)
 
void state_changed_cb (GstBus *bus, GstMessage *msg, GNUNET_gstData *d)
 
static void application_cb (GstBus *bus, GstMessage *msg, GNUNET_gstData *data)
 
static void error_cb (GstBus *bus, GstMessage *msg, GNUNET_gstData *data)
 
static void eos_cb (GstBus *bus, GstMessage *msg, GNUNET_gstData *data)
 
void gg_setup_gst_bus (GNUNET_gstData *d)
 
int feed_buffer_to_gst (const char *audio, size_t b_len, GNUNET_gstData *d)
 
GstElement * gst_element_factory_make_debug (gchar *factoryname, gchar *name)
 debug making elements More...
 
void lf (char *msg)
 
static void autoaudiosink_child_added (GstChildProxy *child_proxy, GObject *object, gchar *name, gpointer user_data)
 
static void autoaudiosource_child_added (GstChildProxy *child_proxy, GObject *object, gchar *name, gpointer user_data)
 
GstElement * get_pipeline (GstElement *element)
 
static void decoder_ogg_pad_added (GstElement *element, GstPad *pad, gpointer data)
 
int gnunet_read (GNUNET_gstData *d)
 
static int stdin_receiver (void *cls, const struct GNUNET_MessageHeader *msg)
 Message callback. More...
 
GstBin * get_app (GNUNET_gstData *d, int type)
 
GstBin * get_coder (GNUNET_gstData *d, int type)
 
GstBin * get_audiobin (GNUNET_gstData *d, int type)
 

Variables

static struct GNUNET_CONFIGURATION_Handlecfg
 Our configuration. More...
 

Detailed Description

FIXME.

Author
Hark

Definition in file gnunet_gst.c.

Function Documentation

◆ dump_buffer()

void dump_buffer ( unsigned  n,
const unsigned char *  buf 
)

Definition at line 35 of file gnunet_gst.c.

36{
37 const unsigned char *p, *end;
38 unsigned i, j;
39
40 end = buf + n;
41
42 for (i = 0;; i += 16)
43 {
44 p = buf + i;
45 for (j = 0; j < 16; j++)
46 {
47 fprintf (stderr, "%02X ", p[j]);
48 if (p + j >= end)
49 goto BREAKOUT;
50 }
51 fprintf (stderr, " ");
52 p = buf + i;
53 for (j = 0; j < 16; j++)
54 {
55 fprintf (stderr, "%c", isprint (p[j]) ? p[j] :
56 '.');
57 if (p + j >= end)
58 goto BREAKOUT;
59 }
60 fprintf (stderr, "\n");
61 }
62BREAKOUT:
63 return;
64}
static int end
Set if we are to shutdown all services (including ARM).
Definition: gnunet-arm.c:34
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-uri.c:38

References end, and p.

Referenced by stdin_receiver().

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◆ gg_load_configuration()

void gg_load_configuration ( GNUNET_gstData d)

Definition at line 71 of file gnunet_gst.c.

72{
73 char *audiobackend_string;
74
76 GNUNET_CONFIGURATION_load (cfg, "mediahelper.conf");
77
78 GNUNET_CONFIGURATION_get_value_string (cfg, "MEDIAHELPER", "JACK_PP_IN",
79 &d->jack_pp_in);
80 GNUNET_CONFIGURATION_get_value_string (cfg, "MEDIAHELPER", "JACK_PP_OUT",
81 &d->jack_pp_out);
82
83 GNUNET_CONFIGURATION_get_value_string (cfg, "MEDIAHELPER", "AUDIOBACKEND",
84 &audiobackend_string);
85
86 // printf("abstring: %s \n", audiobackend_string);
87
88 if (0 == strcasecmp (audiobackend_string, "AUTO"))
89 {
90 d->audiobackend = AUTO;
91 }
92 else if (0 == strcasecmp (audiobackend_string, "JACK"))
93 {
94 d->audiobackend = JACK;
95 }
96 else if (0 == strcasecmp (audiobackend_string, "ALSA"))
97 {
98 d->audiobackend = ALSA;
99 }
100 else if (0 == strcasecmp (audiobackend_string, "FAKE"))
101 {
102 d->audiobackend = FAKE;
103 }
104 else if (0 == strcasecmp (audiobackend_string, "TEST"))
105 {
106 d->audiobackend = TEST;
107 }
108 else
109 {
110 d->audiobackend = AUTO;
111 }
112
113 if (GNUNET_CONFIGURATION_get_value_yesno (cfg, "MEDIAHELPER",
114 "REMOVESILENCE") == GNUNET_YES)
115 {
116 d->dropsilence = TRUE;
117 }
118 else
119 {
120 d->dropsilence = FALSE;
121 }
122
123 if (GNUNET_CONFIGURATION_get_value_yesno (cfg, "MEDIAHELPER",
124 "NO_GN_HEADERS") == GNUNET_YES)
125 {
126 d->pure_ogg = TRUE;
127 }
128 else
129 {
130 d->pure_ogg = FALSE;
131 }
132
133
134 if (GNUNET_CONFIGURATION_get_value_yesno (cfg, "MEDIAHELPER", "USERTP") ==
136 {
137 d->usertp = TRUE;
138 }
139 else
140 {
141 d->usertp = FALSE;
142 }
143
144// GNUNET_CONFIGURATION_write(cfg, "mediahelper.conf");
145}
static mp_limb_t d[(((256)+GMP_NUMB_BITS - 1)/GMP_NUMB_BITS)]
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet_gst.c:31
@ ALSA
@ JACK
@ TEST
@ FAKE
@ AUTO
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_get_value_yesno(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option)
Get a configuration value that should be in a set of "YES" or "NO".
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_get_value_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be a string.
struct GNUNET_CONFIGURATION_Handle * GNUNET_CONFIGURATION_create(void)
Create a new configuration object.
enum GNUNET_GenericReturnValue GNUNET_CONFIGURATION_load(struct GNUNET_CONFIGURATION_Handle *cfg, const char *filename)
Load configuration.
@ GNUNET_YES

References ALSA, AUTO, cfg, d, FAKE, GNUNET_CONFIGURATION_create(), GNUNET_CONFIGURATION_get_value_string(), GNUNET_CONFIGURATION_get_value_yesno(), GNUNET_CONFIGURATION_load(), GNUNET_YES, JACK, and TEST.

Referenced by main().

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◆ write_data()

static void write_data ( const char *  ptr,
size_t  msg_size 
)
static

Definition at line 149 of file gnunet_gst.c.

150{
151 ssize_t ret;
152 size_t off;
153
154 off = 0;
155 while (off < msg_size)
156 {
157 ret = write (1, &ptr[off], msg_size - off);
158 if (0 >= ret)
159 {
160 if (-1 == ret)
162// quit (2);
163 }
164 off += ret;
165 }
166}
static int ret
Final status code.
Definition: gnunet-arm.c:94
#define GNUNET_log_strerror(level, cmd)
Log an error message at log-level 'level' that indicates a failure of the command 'cmd' with the mess...
@ GNUNET_ERROR_TYPE_ERROR

References GNUNET_ERROR_TYPE_ERROR, GNUNET_log_strerror, and ret.

Referenced by on_appsink_new_sample().

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◆ on_appsink_new_sample()

GstFlowReturn on_appsink_new_sample ( GstElement *  element,
GNUNET_gstData d 
)

Definition at line 170 of file gnunet_gst.c.

171{
172 // size of message including gnunet header
173 size_t msg_size;
174
175 GstSample *s;
176 GstBuffer *b;
177 GstMapInfo map;
178
179/*
180 const GstStructure *si;
181 char *si_str;
182 GstCaps *s_caps;
183 char *caps_str;
184 */if (gst_app_sink_is_eos (GST_APP_SINK (element)))
185 return GST_FLOW_OK;
186
187 // pull sample from appsink
188 s = gst_app_sink_pull_sample (GST_APP_SINK (element));
189
190 if (s == NULL)
191 return GST_FLOW_OK;
192
193 if (! GST_IS_SAMPLE (s))
194 return GST_FLOW_OK;
195
196 b = gst_sample_get_buffer (s);
197
198 GST_WARNING ("caps are %" GST_PTR_FORMAT, gst_sample_get_caps (s));
199
200
201 gst_buffer_map (b, &map, GST_MAP_READ);
202
203 size_t len;
204 len = map.size;
205 if (len > UINT16_MAX - sizeof(struct AudioMessage))
206 {
207 // this should never happen?
208 printf ("GSTREAMER sample too big! \n");
209 exit (20);
210 len = UINT16_MAX - sizeof(struct AudioMessage);
211 }
212
213 msg_size = sizeof(struct AudioMessage) + len;
214
215 // copy the data into audio_message
216 GNUNET_memcpy (((char *) &(d->audio_message)[1]), map.data, len);
217 (d->audio_message)->header.size = htons ((uint16_t) msg_size);
218 if (d->pure_ogg)
219 // write the audio_message without the gnunet headers
220 write_data ((const char *) &(d->audio_message)[1], len);
221 else
222 write_data ((const char *) d->audio_message, msg_size);
223
224 gst_sample_unref (s);
225 return GST_FLOW_OK;
226}
static void write_data(const char *ptr, size_t msg_size)
Definition: gnunet_gst.c:149
#define GNUNET_memcpy(dst, src, n)
Call memcpy() but check for n being 0 first.
static struct GNUNET_CONTAINER_MultiPeerMap * map
Peermap of PeerIdentities to "struct PeerEntry" (for fast lookup).
Definition: peer.c:63
Message to transmit the audio (between client and helpers).
Definition: conversation.h:59
struct GNUNET_MessageHeader header
Type is GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO.
Definition: conversation.h:63
unsigned int size
Number of entries in the map.
uint16_t size
The length of the struct (in bytes, including the length field itself), in big-endian format.

References d, GNUNET_memcpy, AudioMessage::header, map, GNUNET_MessageHeader::size, GNUNET_CONTAINER_MultiPeerMap::size, and write_data().

Referenced by get_app().

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◆ pl_graph()

void pl_graph ( GstElement *  pipeline)

Definition at line 233 of file gnunet_gst.c.

234{
235#ifdef IS_SPEAKER
236 gst_debug_bin_to_dot_file_with_ts (GST_BIN (pipeline),
237 GST_DEBUG_GRAPH_SHOW_ALL,
238 "playback_helper.dot");
239#endif
240#ifdef IS_MIC
241 gst_debug_bin_to_dot_file_with_ts (GST_BIN (pipeline),
242 GST_DEBUG_GRAPH_SHOW_ALL,
243 "record_helper.dot");
244#endif
245
246
247 // load_configuration();
248}
static GstElement * pipeline
Main pipeline.

References pipeline.

Referenced by main(), and state_changed_cb().

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◆ gnunet_gst_bus_call()

gboolean gnunet_gst_bus_call ( GstBus *  bus,
GstMessage *  msg,
gpointer  data 
)

Definition at line 252 of file gnunet_gst.c.

253{
255 "Bus message\n");
256 switch (GST_MESSAGE_TYPE (msg))
257 {
258 case GST_MESSAGE_EOS:
260 "End of stream\n");
261 exit (10);
262 break;
263
264 case GST_MESSAGE_ERROR:
265 {
266 gchar *debug;
267 GError *error;
268
269 gst_message_parse_error (msg, &error, &debug);
270 g_free (debug);
271
273 "Error: %s\n",
274 error->message);
275 g_error_free (error);
276
277 exit (10);
278 break;
279 }
280
281 default:
282 break;
283 }
284
285 return TRUE;
286}
struct GNUNET_MessageHeader * msg
Definition: 005.c:2
#define GNUNET_log(kind,...)
@ GNUNET_ERROR_TYPE_DEBUG
@ GNUNET_ERROR_TYPE_INFO

References find_typedefs::debug, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, and msg.

◆ state_changed_cb()

void state_changed_cb ( GstBus *  bus,
GstMessage *  msg,
GNUNET_gstData d 
)

Definition at line 291 of file gnunet_gst.c.

292{
293 GstState old_state, new_state, pending_state;
294
295 gst_message_parse_state_changed (msg, &old_state, &new_state,
296 &pending_state);
297 switch (new_state)
298 {
299 case GST_STATE_READY:
300// printf("ready.... \n");
301 // pl_graph(GST_ELEMENT(d->pipeline));
302 break;
303
304 case GST_STATE_PLAYING:
305
306 // GST_LOG ("caps are %" GST_PTR_FORMAT, caps);
307
308 // printf("Playing.... \n");
309 pl_graph (GST_ELEMENT (d->pipeline));
310 break;
311
312 case GST_STATE_VOID_PENDING:
313 // printf("void_pending.... \n");
314 // pl_graph(GST_ELEMENT(d->pipeline));
315 break;
316
317 case GST_STATE_NULL:
318 // printf("null.... \n");
319 // pl_graph(GST_ELEMENT(d->pipeline));
320 break;
321
322 case GST_STATE_PAUSED:
323 // printf("paused.... \n");
324 // pl_graph(GST_ELEMENT(d->pipeline));
325 break;
326 }
327}
void pl_graph(GstElement *pipeline)
Definition: gnunet_gst.c:233

References d, msg, and pl_graph().

Referenced by gg_setup_gst_bus().

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◆ application_cb()

static void application_cb ( GstBus *  bus,
GstMessage *  msg,
GNUNET_gstData data 
)
static

Definition at line 331 of file gnunet_gst.c.

332{
333 // printf("application cb");
334 return;
335}

Referenced by gg_setup_gst_bus().

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◆ error_cb()

static void error_cb ( GstBus *  bus,
GstMessage *  msg,
GNUNET_gstData data 
)
static

Definition at line 339 of file gnunet_gst.c.

340{
341 // printf("error cb");
342 return;
343}

Referenced by gg_setup_gst_bus().

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◆ eos_cb()

static void eos_cb ( GstBus *  bus,
GstMessage *  msg,
GNUNET_gstData data 
)
static

Definition at line 347 of file gnunet_gst.c.

348{
349 // printf("eos cb");
350 return;
351}

Referenced by gg_setup_gst_bus().

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◆ gg_setup_gst_bus()

void gg_setup_gst_bus ( GNUNET_gstData d)

Definition at line 355 of file gnunet_gst.c.

356{
357 GstBus *bus;
358
359 bus = gst_element_get_bus (GST_ELEMENT (d->pipeline));
360 gst_bus_add_signal_watch (bus);
361 g_signal_connect (G_OBJECT (bus), "message::error", (GCallback) error_cb,
362 d);
363 g_signal_connect (G_OBJECT (bus), "message::eos", (GCallback) eos_cb,
364 d);
365 g_signal_connect (G_OBJECT (bus), "message::state-changed",
366 (GCallback) state_changed_cb, d);
367 g_signal_connect (G_OBJECT (bus), "message::application",
368 (GCallback) application_cb, d);
369 g_signal_connect (G_OBJECT (bus), "message::about-to-finish",
370 (GCallback) application_cb, d);
371 gst_object_unref (bus);
372}
static void eos_cb(GstBus *bus, GstMessage *msg, GNUNET_gstData *data)
Definition: gnunet_gst.c:347
void state_changed_cb(GstBus *bus, GstMessage *msg, GNUNET_gstData *d)
Definition: gnunet_gst.c:291
static void application_cb(GstBus *bus, GstMessage *msg, GNUNET_gstData *data)
Definition: gnunet_gst.c:331
static void error_cb(GstBus *bus, GstMessage *msg, GNUNET_gstData *data)
Definition: gnunet_gst.c:339

References application_cb(), d, eos_cb(), error_cb(), and state_changed_cb().

Referenced by main().

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◆ feed_buffer_to_gst()

int feed_buffer_to_gst ( const char *  audio,
size_t  b_len,
GNUNET_gstData d 
)

Definition at line 496 of file gnunet_gst.c.

497{
498 GstBuffer *b;
499 gchar *bufspace;
500 GstFlowReturn flow;
501
503 "Feeding %u bytes to GStreamer\n",
504 (unsigned int) b_len);
505
506 bufspace = g_memdup (audio, b_len);
507 b = gst_buffer_new_wrapped (bufspace, b_len);
508 if (NULL == b)
509 {
511 "Failed to wrap a buffer\n");
512 g_free (bufspace);
513 return GNUNET_SYSERR;
514 }
515 if (GST_APP_SRC (d->appsrc) == NULL)
516 exit (10);
517 flow = gst_app_src_push_buffer (GST_APP_SRC (d->appsrc), b);
518 /* They all return GNUNET_OK, because currently player stops when
519 * data stops coming. This might need to be changed for the player
520 * to also stop when pipeline breaks.
521 */
522 switch (flow)
523 {
524 case GST_FLOW_OK:
526 "Fed %u bytes to the pipeline\n",
527 (unsigned int) b_len);
528 break;
529
530 case GST_FLOW_FLUSHING:
531 /* buffer was dropped, because pipeline state is not PAUSED or PLAYING */
533 "Dropped a buffer\n");
534 break;
535
536 case GST_FLOW_EOS:
537 /* end of stream */
539 "EOS\n");
540 break;
541
542 default:
544 "Unexpected push result\n");
545 break;
546 }
547 return GNUNET_OK;
548}
@ GNUNET_OK
@ GNUNET_SYSERR
@ GNUNET_ERROR_TYPE_WARNING

References d, GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_INFO, GNUNET_ERROR_TYPE_WARNING, GNUNET_log, GNUNET_OK, and GNUNET_SYSERR.

Referenced by gnunet_read(), and stdin_receiver().

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◆ gst_element_factory_make_debug()

GstElement * gst_element_factory_make_debug ( gchar *  factoryname,
gchar *  name 
)

debug making elements

Definition at line 555 of file gnunet_gst.c.

556{
557 GstElement *element;
558
559 element = gst_element_factory_make (factoryname, name);
560
561 if (element == NULL)
562 {
563 printf ("\n Failed to create element - type: %s name: %s \n", factoryname,
564 name);
565 exit (10);
566 return element;
567 }
568 else
569 {
570 return element;
571 }
572}
static char * name
Name (label) of the records to list.
#define gst_element_factory_make(element, name)
Definition: gnunet_gst.h:36

References gst_element_factory_make, and name.

◆ lf()

void lf ( char *  msg)

Definition at line 587 of file gnunet_gst.c.

588{
589 printf ("linking elements failed: %s", msg);
590 exit (10);
591}

References msg.

Referenced by get_audiobin(), and helper_mst().

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◆ autoaudiosink_child_added()

static void autoaudiosink_child_added ( GstChildProxy *  child_proxy,
GObject *  object,
gchar *  name,
gpointer  user_data 
)
static

Definition at line 598 of file gnunet_gst.c.

602{
603 if (GST_IS_AUDIO_BASE_SRC (object))
604 g_object_set (object,
605 "buffer-time", (gint64) BUFFER_TIME,
606 "latency-time", (gint64) LATENCY_TIME,
607 NULL);
608}
#define LATENCY_TIME
Min number of microseconds to buffer in audiosink.
#define BUFFER_TIME
Max number of microseconds to buffer in audiosink.

References BUFFER_TIME, and LATENCY_TIME.

Referenced by get_audiobin().

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◆ autoaudiosource_child_added()

static void autoaudiosource_child_added ( GstChildProxy *  child_proxy,
GObject *  object,
gchar *  name,
gpointer  user_data 
)
static

Definition at line 615 of file gnunet_gst.c.

617{
618 if (GST_IS_AUDIO_BASE_SRC (object))
619 g_object_set (object, "buffer-time", (gint64) BUFFER_TIME, "latency-time",
620 (gint64) LATENCY_TIME, NULL);
621}

References BUFFER_TIME, and LATENCY_TIME.

Referenced by get_audiobin().

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◆ get_pipeline()

GstElement * get_pipeline ( GstElement *  element)

Definition at line 625 of file gnunet_gst.c.

626{
627 GstPipeline *p;
628
629 p = GST_PIPELINE (gst_object_get_parent (GST_OBJECT (element)));
630
631 return GST_ELEMENT (p);
632}

References p.

◆ decoder_ogg_pad_added()

static void decoder_ogg_pad_added ( GstElement *  element,
GstPad *  pad,
gpointer  data 
)
static

Definition at line 636 of file gnunet_gst.c.

639{
640 GstPad *sinkpad;
641 GstElement *decoder = (GstElement *) data;
642
643 printf ("==== ogg pad added callback \n");
644 /* We can now link this pad with the opus-decoder sink pad */
645// pl_graph(get_pipeline(element));
646 sinkpad = gst_element_get_static_pad (decoder, "sink");
647
648 gst_pad_link (pad, sinkpad);
649 gst_element_link_many (element, decoder, NULL);
650 gst_object_unref (sinkpad);
651}
static char * data
The data to insert into the dht.
static GstElement * decoder

References data, and decoder.

Referenced by get_coder().

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◆ gnunet_read()

int gnunet_read ( GNUNET_gstData d)

Definition at line 655 of file gnunet_gst.c.

656{
657 char readbuf[MAXLINE];
658 int ret;
659
660 printf ("read \n");
661 ret = read (0, readbuf, sizeof(readbuf));
662 if (0 > ret)
663 {
665 _ ("Read error from STDIN: %d %s\n"),
666 ret, strerror (errno));
667 return FAIL;
668 }
669 // toff += ret;
671 "Received %d bytes of audio data\n",
672 (int) ret);
673 if (0 == ret)
674 return FAIL;
675 // #ifdef DEBUG_READ_PURE_OGG
676
677 if (d->pure_ogg)
678 {
679 feed_buffer_to_gst (readbuf, ret, d);
680 }
681 else
682 {
683 // #endif
684 GNUNET_MST_from_buffer (d->stdin_mst,
685 readbuf,
686 ret,
687 GNUNET_NO,
688 GNUNET_NO);
689 }
690 return 0;
691}
#define MAXLINE
How much data to read in one go.
int feed_buffer_to_gst(const char *audio, size_t b_len, GNUNET_gstData *d)
Definition: gnunet_gst.c:496
@ FAIL
@ GNUNET_NO
enum GNUNET_GenericReturnValue GNUNET_MST_from_buffer(struct GNUNET_MessageStreamTokenizer *mst, const char *buf, size_t size, int purge, int one_shot)
Add incoming data to the receive buffer and call the callback for all complete messages.
Definition: mst.c:101
#define _(String)
GNU gettext support macro.
Definition: platform.h:178

References _, d, FAIL, feed_buffer_to_gst(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_ERROR_TYPE_ERROR, GNUNET_log, GNUNET_MST_from_buffer(), GNUNET_NO, MAXLINE, and ret.

Referenced by main().

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◆ stdin_receiver()

static int stdin_receiver ( void *  cls,
const struct GNUNET_MessageHeader msg 
)
static

Message callback.

Parameters
msgmessage we received.
Returns
GNUNET_OK on success, GNUNET_NO to stop further processing due to disconnect (no error) GNUNET_SYSERR to stop further processing due to error

Definition at line 703 of file gnunet_gst.c.

705{
706 struct AudioMessage *audio;
707 size_t b_len;
708
709 printf ("stdin receiver \n ");
710 dump_buffer (sizeof(msg),
711 (const unsigned char *) msg);
712
713 switch (ntohs (msg->type))
714 {
716 audio = (struct AudioMessage *) msg;
717
718 b_len = ntohs (audio->header.size) - sizeof(struct AudioMessage);
719 printf ("feeding buffer to gst \n ");
720 feed_buffer_to_gst ((const char *) &audio[1], b_len, cls);
721 break;
722
723 default:
724 printf ("No audio message: %u \n ", ntohs (msg->type));
725 break;
726 }
727 return GNUNET_OK;
728}
void dump_buffer(unsigned n, const unsigned char *buf)
Definition: gnunet_gst.c:35
#define GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO
Message to transmit the audio between helper and speaker/microphone library.
uint16_t type
The type of the message (GNUNET_MESSAGE_TYPE_XXXX), in big-endian format.

References dump_buffer(), feed_buffer_to_gst(), GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO, GNUNET_OK, AudioMessage::header, msg, GNUNET_MessageHeader::size, and GNUNET_MessageHeader::type.

Referenced by get_app().

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◆ get_app()

GstBin * get_app ( GNUNET_gstData d,
int  type 
)

Definition at line 732 of file gnunet_gst.c.

733{
734 GstBin *bin;
735 GstPad *pad, *ghostpad;
736
737 if (type == SOURCE)
738 {
739 bin = GST_BIN (gst_bin_new ("Gnunet appsrc"));
740
741
743 GNUNET_log_setup ("gnunet-helper-audio-playback",
744 "WARNING",
745 NULL));
746
748 "Audio playback starts\n");
749 printf (" creating appsrc \n ");
750 // d->audio_message.header.type = htons (GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO);
751
752// d->audio_message = GNUNET_malloc (UINT16_MAX);
753// d->audio_message = (AudioMessage*)malloc(sizeof(struct AudioMessage));
754// d->audio_message = GNUNET_malloc(sizeof(struct AudioMessage));
755
756
757 // d->audio_message.header.type = htons (GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO);
758
759
760 d->stdin_mst = GNUNET_MST_create (&stdin_receiver, d);
761
762 if (d->stdin_mst == NULL)
763 printf ("stdin_mst = NULL");
764
765 d->appsrc = gst_element_factory_make ("appsrc", "appsrc");
766
767 gst_bin_add_many (bin, d->appsrc, NULL);
768// gst_element_link_many ( encoder, muxer, NULL);
769
770 pad = gst_element_get_static_pad (d->appsrc, "src");
771 ghostpad = gst_ghost_pad_new ("src", pad);
772 }
773 if (type == SINK)
774 {
775 bin = GST_BIN (gst_bin_new ("Gnunet appsink"));
776
777
779 GNUNET_log_setup ("gnunet-helper-audio-record",
780 "WARNING",
781 NULL));
782
784 "Audio source starts\n");
785
786 d->appsink = gst_element_factory_make ("appsink", "appsink");
787
788 // Move this out of here!
789 d->audio_message = GNUNET_malloc (UINT16_MAX);
790 (d->audio_message)->header.type = htons (
792 g_object_set (G_OBJECT (d->appsink), "emit-signals", TRUE, "sync", TRUE,
793 NULL);
794
795 g_signal_connect (d->appsink, "new-sample",
796 G_CALLBACK (on_appsink_new_sample), &d);
797
798 gst_bin_add_many (bin, d->appsink, NULL);
799// gst_element_link_many ( encoder, muxer, NULL);
800
801 pad = gst_element_get_static_pad (d->appsink, "sink");
802 ghostpad = gst_ghost_pad_new ("sink", pad);
803 }
804
805 /* set the bin pads */
806 gst_pad_set_active (ghostpad, TRUE);
807 gst_element_add_pad (GST_ELEMENT (bin), ghostpad);
808
809 gst_object_unref (pad);
810
811 return bin;
812}
static uint32_t type
Type string converted to DNS type value.
static int stdin_receiver(void *cls, const struct GNUNET_MessageHeader *msg)
Message callback.
Definition: gnunet_gst.c:703
GstFlowReturn on_appsink_new_sample(GstElement *element, GNUNET_gstData *d)
Definition: gnunet_gst.c:170
@ SOURCE
@ SINK
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
enum GNUNET_GenericReturnValue GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
#define GNUNET_malloc(size)
Wrapper around malloc.
struct GNUNET_MessageStreamTokenizer * GNUNET_MST_create(GNUNET_MessageTokenizerCallback cb, void *cb_cls)
Create a message stream tokenizer.
Definition: mst.c:86

References d, GNUNET_assert, GNUNET_ERROR_TYPE_DEBUG, GNUNET_log, GNUNET_log_setup(), GNUNET_malloc, GNUNET_MESSAGE_TYPE_CONVERSATION_AUDIO, GNUNET_MST_create(), GNUNET_OK, gst_element_factory_make, AudioMessage::header, on_appsink_new_sample(), SINK, SOURCE, stdin_receiver(), type, and GNUNET_MessageHeader::type.

Referenced by main().

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◆ get_coder()

GstBin * get_coder ( GNUNET_gstData d,
int  type 
)

Definition at line 816 of file gnunet_gst.c.

817{
818 GstBin *bin;
819 GstPad *srcpad, *sinkpad, *srcghostpad, *sinkghostpad;
820 GstCaps *rtpcaps;
821 GstElement *encoder, *muxer, *decoder, *demuxer, *jitterbuffer,
822 *rtpcapsfilter;
823
824 if (d->usertp == TRUE)
825 {
826 /*
827 * application/x-rtp, media=(string)audio, clock-rate=(int)48000, encoding-name=(string)OPUS, sprop-maxcapturerate=(string)48000, sprop-stereo=(string)0, payload=(int)96, encoding-params=(string)2, ssrc=(uint)630297634, timestamp-offset=(uint)678334141, seqnum-offset=(uint)16938 */
828/*
829 rtpcaps = gst_caps_new_simple ("application/x-rtp",
830 "media", G_TYPE_STRING, "audio",
831 "clock-rate", G_TYPE_INT, SAMPLING_RATE,
832 "encoding-name", G_TYPE_STRING, "OPUS",
833 "payload", G_TYPE_INT, 96,
834 "sprop-stereo", G_TYPE_STRING, "0",
835 "encoding-params", G_TYPE_STRING, "2",
836 NULL);
837 */ rtpcaps = gst_caps_new_simple ("application/x-rtp",
838 "media", G_TYPE_STRING, "audio",
839 "clock-rate", G_TYPE_INT, SAMPLING_RATE,
840 "encoding-name", G_TYPE_STRING, "OPUS",
841 "payload", G_TYPE_INT, 96,
842 "sprop-stereo", G_TYPE_STRING, "0",
843 "encoding-params", G_TYPE_STRING, "2",
844 NULL);
845
846
847 rtpcapsfilter = gst_element_factory_make ("capsfilter", "rtpcapsfilter");
848
849 g_object_set (G_OBJECT (rtpcapsfilter),
850 "caps", rtpcaps,
851 NULL);
852 gst_caps_unref (rtpcaps);
853 }
854
855
856 if (type == ENCODER)
857 {
858 bin = GST_BIN (gst_bin_new ("Gnunet audioencoder"));
859
860 encoder = gst_element_factory_make ("opusenc", "opus-encoder");
861 if (d->usertp == TRUE)
862 {
863 muxer = gst_element_factory_make ("rtpopuspay", "rtp-payloader");
864 }
865 else
866 {
867 muxer = gst_element_factory_make ("oggmux", "ogg-muxer");
868 }
869 g_object_set (G_OBJECT (encoder),
870 /* "bitrate", 64000, */
871 /* "bandwidth", OPUS_BANDWIDTH_FULLBAND, */
872 "inband-fec", INBAND_FEC_MODE,
873 "packet-loss-percentage", PACKET_LOSS_PERCENTAGE,
874 "max-payload-size", MAX_PAYLOAD_SIZE,
875 "audio", TRUE, /* VoIP, not audio */
876 "frame-size", OPUS_FRAME_SIZE,
877 NULL);
878
879 if (d->usertp != TRUE)
880 {
881 g_object_set (G_OBJECT (muxer),
882 "max-delay", OGG_MAX_DELAY,
883 "max-page-delay", OGG_MAX_PAGE_DELAY,
884 NULL);
885 }
886
887 gst_bin_add_many (bin, encoder, muxer, NULL);
888 gst_element_link_many (encoder, muxer, NULL);
889 sinkpad = gst_element_get_static_pad (encoder, "sink");
890 sinkghostpad = gst_ghost_pad_new ("sink", sinkpad);
891
892 srcpad = gst_element_get_static_pad (muxer, "src");
893 srcghostpad = gst_ghost_pad_new ("src", srcpad);
894 }
895 if (type == DECODER)
896 {
897 bin = GST_BIN (gst_bin_new ("Gnunet audiodecoder"));
898
899 // decoder
900 if (d->usertp == TRUE)
901 {
902 demuxer = gst_element_factory_make ("rtpopusdepay", "ogg-demuxer");
903 jitterbuffer = gst_element_factory_make ("rtpjitterbuffer",
904 "rtpjitterbuffer");
905 }
906 else
907 {
908 demuxer = gst_element_factory_make ("oggdemux", "ogg-demuxer");
909 }
910 decoder = gst_element_factory_make ("opusdec", "opus-decoder");
911
912 if (d->usertp == TRUE)
913 {
914 gst_bin_add_many (bin, rtpcapsfilter, jitterbuffer, demuxer, decoder,
915 NULL);
916 gst_element_link_many (rtpcapsfilter, jitterbuffer, demuxer, decoder,
917 NULL);
918 sinkpad = gst_element_get_static_pad (rtpcapsfilter, "sink");
919 }
920 else
921 {
922 gst_bin_add_many (bin, demuxer, decoder, NULL);
923
924 g_signal_connect (demuxer,
925 "pad-added",
926 G_CALLBACK (decoder_ogg_pad_added),
927 decoder);
928
929 sinkpad = gst_element_get_static_pad (demuxer, "sink");
930 }
931 sinkghostpad = gst_ghost_pad_new ("sink", sinkpad);
932
933 srcpad = gst_element_get_static_pad (decoder, "src");
934 srcghostpad = gst_ghost_pad_new ("src", srcpad);
935 }
936
937 // add pads to the bin
938 gst_pad_set_active (sinkghostpad, TRUE);
939 gst_element_add_pad (GST_ELEMENT (bin), sinkghostpad);
940
941 gst_pad_set_active (srcghostpad, TRUE);
942 gst_element_add_pad (GST_ELEMENT (bin), srcghostpad);
943
944
945 return bin;
946}
static GstElement * demuxer
#define SAMPLING_RATE
#define MAX_PAYLOAD_SIZE
Maximal size of a single opus packet.
#define OGG_MAX_DELAY
Maximum delay in multiplexing streams, in ns.
#define INBAND_FEC_MODE
Set to 1 to enable forward error correction.
#define OPUS_FRAME_SIZE
Size of a single frame fed to the encoder, in ms.
#define OGG_MAX_PAGE_DELAY
Maximum delay for sending out a page, in ns.
#define PACKET_LOSS_PERCENTAGE
Expected packet loss to prepare for, in percents.
static void decoder_ogg_pad_added(GstElement *element, GstPad *pad, gpointer data)
Definition: gnunet_gst.c:636
@ ENCODER
@ DECODER

References d, decoder, DECODER, decoder_ogg_pad_added(), demuxer, ENCODER, gst_element_factory_make, INBAND_FEC_MODE, MAX_PAYLOAD_SIZE, OGG_MAX_DELAY, OGG_MAX_PAGE_DELAY, OPUS_FRAME_SIZE, PACKET_LOSS_PERCENTAGE, SAMPLING_RATE, and type.

Referenced by main().

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◆ get_audiobin()

GstBin * get_audiobin ( GNUNET_gstData d,
int  type 
)

Definition at line 950 of file gnunet_gst.c.

951{
952 GstBin *bin;
953 GstElement *sink, *source, *queue, *conv, *resampler, *removesilence, *filter;
954 GstPad *pad, *ghostpad;
955 GstCaps *caps;
956
957 if (type == SINK)
958 {
959 bin = GST_BIN (gst_bin_new ("Gnunet audiosink"));
960
961 /* Create all the elements */
962 if (d->dropsilence == TRUE)
963 {
964 queue = gst_element_factory_make ("queue", "queue");
965 removesilence = gst_element_factory_make ("removesilence",
966 "removesilence");
967 }
968
969 conv = gst_element_factory_make ("audioconvert", "converter");
970 resampler = gst_element_factory_make ("audioresample", "resampler");
971
972 if (d->audiobackend == AUTO)
973 {
974 sink = gst_element_factory_make ("autoaudiosink", "audiosink");
975 g_signal_connect (sink, "child-added", G_CALLBACK (
977 }
978
979 if (d->audiobackend == ALSA)
980 {
981 sink = gst_element_factory_make ("alsaaudiosink", "audiosink");
982 }
983
984 if (d->audiobackend == JACK)
985 {
986 sink = gst_element_factory_make ("jackaudiosink", "audiosink");
987
988 g_object_set (G_OBJECT (sink), "client-name", "gnunet", NULL);
989
990 if (g_object_class_find_property
991 (G_OBJECT_GET_CLASS (sink), "port-pattern"))
992 {
993// char *portpattern = "system";
994
995 g_object_set (G_OBJECT (sink), "port-pattern", d->jack_pp_out,
996 NULL);
997 }
998 }
999
1000 if (d->audiobackend == FAKE)
1001 {
1002 sink = gst_element_factory_make ("fakesink", "audiosink");
1003 }
1004
1005 g_object_set (sink,
1006 "buffer-time", (gint64) BUFFER_TIME,
1007 "latency-time", (gint64) LATENCY_TIME,
1008 NULL);
1009
1010 if (d->dropsilence == TRUE)
1011 {
1012 // Do not remove silence by default
1013 g_object_set (removesilence, "remove", FALSE, NULL);
1014 g_object_set (queue, "max-size-buffers", 12, NULL);
1015 /*
1016 g_signal_connect (source,
1017 "need-data",
1018 G_CALLBACK(appsrc_need_data),
1019 NULL);
1020
1021 g_signal_connect (source,
1022 "enough-data",
1023 G_CALLBACK(appsrc_enough_data),
1024 NULL);
1025 *//*
1026 g_signal_connect (queue,
1027 "notify::current-level-bytes",
1028 G_CALLBACK(queue_current_level),
1029 NULL);
1030
1031 g_signal_connect (queue,
1032 "underrun",
1033 G_CALLBACK(queue_underrun),
1034 NULL);
1035
1036 g_signal_connect (queue,
1037 "running",
1038 G_CALLBACK(queue_running),
1039 NULL);
1040
1041 g_signal_connect (queue,
1042 "overrun",
1043 G_CALLBACK(queue_overrun),
1044 NULL);
1045
1046 g_signal_connect (queue,
1047 "pushing",
1048 G_CALLBACK(queue_pushing),
1049 NULL);
1050 */ }
1051
1052
1053 gst_bin_add_many (bin, conv, resampler, sink, NULL);
1054 gst_element_link_many (conv, resampler, sink, NULL);
1055
1056 if (d->dropsilence == TRUE)
1057 {
1058 gst_bin_add_many (bin, queue, removesilence, NULL);
1059
1060 if (! gst_element_link_many (queue, removesilence, conv, NULL))
1061 lf ("queue, removesilence, conv ");
1062
1063 pad = gst_element_get_static_pad (queue, "sink");
1064 }
1065 else
1066 {
1067 pad = gst_element_get_static_pad (conv, "sink");
1068 }
1069
1070 ghostpad = gst_ghost_pad_new ("sink", pad);
1071 }
1072 else
1073 {
1074 // SOURCE
1075
1076 bin = GST_BIN (gst_bin_new ("Gnunet audiosource"));
1077
1078 // source = gst_element_factory_make("audiotestsrc", "audiotestsrcbla");
1079
1080 if (d->audiobackend == AUTO)
1081 {
1082 source = gst_element_factory_make ("autoaudiosrc", "audiosource");
1083 }
1084 if (d->audiobackend == ALSA)
1085 {
1086 source = gst_element_factory_make ("alsasrc", "audiosource");
1087 }
1088 if (d->audiobackend == JACK)
1089 {
1090 source = gst_element_factory_make ("jackaudiosrc", "audiosource");
1091 }
1092 if (d->audiobackend == TEST)
1093 {
1094 source = gst_element_factory_make ("audiotestsrc", "audiosource");
1095 }
1096
1097 filter = gst_element_factory_make ("capsfilter", "filter");
1098 conv = gst_element_factory_make ("audioconvert", "converter");
1099 resampler = gst_element_factory_make ("audioresample", "resampler");
1100
1101 if (d->audiobackend == AUTO)
1102 {
1103 g_signal_connect (source, "child-added", G_CALLBACK (
1105 }
1106 else
1107 {
1108 if (GST_IS_AUDIO_BASE_SRC (source))
1109 g_object_set (source, "buffer-time", (gint64) BUFFER_TIME,
1110 "latency-time", (gint64) LATENCY_TIME, NULL);
1111 if (d->audiobackend == JACK)
1112 {
1113 g_object_set (G_OBJECT (source), "client-name", "gnunet", NULL);
1114 if (g_object_class_find_property
1115 (G_OBJECT_GET_CLASS (source), "port-pattern"))
1116 {
1117 char *portpattern = "moc";
1118
1119 g_object_set (G_OBJECT (source), "port-pattern", portpattern,
1120 NULL);
1121 }
1122 }
1123 }
1124
1125 caps = gst_caps_new_simple ("audio/x-raw",
1126 /* "format", G_TYPE_STRING, "S16LE", */
1127 /* "rate", G_TYPE_INT, SAMPLING_RATE,*/
1128 "channels", G_TYPE_INT, OPUS_CHANNELS,
1129 /* "layout", G_TYPE_STRING, "interleaved",*/
1130 NULL);
1131
1132 g_object_set (G_OBJECT (filter),
1133 "caps", caps,
1134 NULL);
1135 gst_caps_unref (caps);
1136
1137 gst_bin_add_many (bin, source, filter, conv, resampler, NULL);
1138 gst_element_link_many (source, filter, conv, resampler, NULL);
1139
1140 pad = gst_element_get_static_pad (resampler, "src");
1141
1142
1143 /* pads */
1144 ghostpad = gst_ghost_pad_new ("src", pad);
1145 }
1146
1147 /* set the bin pads */
1148 gst_pad_set_active (ghostpad, TRUE);
1149 gst_element_add_pad (GST_ELEMENT (bin), ghostpad);
1150
1151 gst_object_unref (pad);
1152
1153 return bin;
1154}
static GstElement * source
Appsrc instance into which we write data for the pipeline.
static GstElement * resampler
static GstElement * sink
static GstElement * conv
#define OPUS_CHANNELS
Number of channels.
static struct GNUNET_CONTAINER_BloomFilter * filter
Bloomfilter to quickly tell if we don't have the content.
static void queue(const char *hostname)
Add hostname to the list of requests to be made.
static void autoaudiosource_child_added(GstChildProxy *child_proxy, GObject *object, gchar *name, gpointer user_data)
Definition: gnunet_gst.c:615
void lf(char *msg)
Definition: gnunet_gst.c:587
static void autoaudiosink_child_added(GstChildProxy *child_proxy, GObject *object, gchar *name, gpointer user_data)
Definition: gnunet_gst.c:598

References ALSA, AUTO, autoaudiosink_child_added(), autoaudiosource_child_added(), BUFFER_TIME, conv, d, FAKE, filter, gst_element_factory_make, JACK, LATENCY_TIME, lf(), OPUS_CHANNELS, queue(), resampler, sink, SINK, source, TEST, and type.

Referenced by main().

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Variable Documentation

◆ cfg

struct GNUNET_CONFIGURATION_Handle* cfg
static

Our configuration.

Definition at line 31 of file gnunet_gst.c.

Referenced by gg_load_configuration().