1 /*
2 * Copyright (C) 2009, 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "config.h"
20 #include "WebKitWebSourceGStreamer.h"
21 #if USE(GSTREAMER)
22
23 #include "Document.h"
24 #include "GOwnPtr.h"
25 #include "GRefPtr.h"
26 #include "GRefPtrGStreamer.h"
27 #include "NetworkingContext.h"
28 #include "Noncopyable.h"
29 #include "NotImplemented.h"
30 #include "ResourceHandleClient.h"
31 #include "ResourceHandleInternal.h"
32 #include "ResourceRequest.h"
33 #include "ResourceResponse.h"
34 #include <wtf/text/CString.h>
35 #include <gst/app/gstappsrc.h>
36 #include <gst/pbutils/missing-plugins.h>
37
38 using namespace WebCore;
39
40 class StreamingClient : public ResourceHandleClient {
41 WTF_MAKE_NONCOPYABLE(StreamingClient);
42 public:
43 StreamingClient(WebKitWebSrc*);
44 virtual ~StreamingClient();
45
46 virtual void willSendRequest(ResourceHandle*, ResourceRequest&, const ResourceResponse&);
47 virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&);
48 virtual void didReceiveData(ResourceHandle*, const char*, int, int);
49 virtual void didFinishLoading(ResourceHandle*, double /*finishTime*/);
50 virtual void didFail(ResourceHandle*, const ResourceError&);
51 virtual void wasBlocked(ResourceHandle*);
52 virtual void cannotShowURL(ResourceHandle*);
53
54 private:
55 WebKitWebSrc* m_src;
56 };
57
58 #define WEBKIT_WEB_SRC_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), WEBKIT_TYPE_WEB_SRC, WebKitWebSrcPrivate))
59 struct _WebKitWebSrcPrivate {
60 GstAppSrc* appsrc;
61 GstPad* srcpad;
62 gchar* uri;
63
64 RefPtr<WebCore::Frame> frame;
65
66 StreamingClient* client;
67 RefPtr<ResourceHandle> resourceHandle;
68
69 guint64 offset;
70 guint64 size;
71 gboolean seekable;
72 gboolean paused;
73
74 guint64 requestedOffset;
75
76 guint needDataID;
77 guint enoughDataID;
78 guint seekID;
79
80 // icecast stuff
81 gboolean iradioMode;
82 gchar* iradioName;
83 gchar* iradioGenre;
84 gchar* iradioUrl;
85 gchar* iradioTitle;
86
87 // TRUE if appsrc's version is >= 0.10.27, see
88 // https://bugzilla.gnome.org/show_bug.cgi?id=609423
89 gboolean haveAppSrc27;
90 };
91
92 enum {
93 PROP_IRADIO_MODE = 1,
94 PROP_IRADIO_NAME,
95 PROP_IRADIO_GENRE,
96 PROP_IRADIO_URL,
97 PROP_IRADIO_TITLE,
98 PROP_LOCATION
99 };
100
101 static GstStaticPadTemplate srcTemplate = GST_STATIC_PAD_TEMPLATE("src",
102 GST_PAD_SRC,
103 GST_PAD_ALWAYS,
104 GST_STATIC_CAPS_ANY);
105
106 GST_DEBUG_CATEGORY_STATIC(webkit_web_src_debug);
107 #define GST_CAT_DEFAULT webkit_web_src_debug
108
109 static void webKitWebSrcUriHandlerInit(gpointer gIface,
110 gpointer ifaceData);
111
112 static void webKitWebSrcFinalize(GObject* object);
113 static void webKitWebSrcSetProperty(GObject* object, guint propID, const GValue* value, GParamSpec* pspec);
114 static void webKitWebSrcGetProperty(GObject* object, guint propID, GValue* value, GParamSpec* pspec);
115 static GstStateChangeReturn webKitWebSrcChangeState(GstElement* element, GstStateChange transition);
116 static gboolean webKitWebSrcQuery(GstPad* pad, GstQuery* query);
117
118 static void webKitWebSrcNeedDataCb(GstAppSrc* appsrc, guint length, gpointer userData);
119 static void webKitWebSrcEnoughDataCb(GstAppSrc* appsrc, gpointer userData);
120 static gboolean webKitWebSrcSeekDataCb(GstAppSrc* appsrc, guint64 offset, gpointer userData);
121
122 static void webKitWebSrcStop(WebKitWebSrc* src, bool seeking);
123 static gboolean webKitWebSrcSetUri(GstURIHandler*, const gchar*);
124 static const gchar* webKitWebSrcGetUri(GstURIHandler*);
125
126 static GstAppSrcCallbacks appsrcCallbacks = {
127 webKitWebSrcNeedDataCb,
128 webKitWebSrcEnoughDataCb,
129 webKitWebSrcSeekDataCb,
130 { 0 }
131 };
132
doInit(GType gtype)133 static void doInit(GType gtype)
134 {
135 static const GInterfaceInfo uriHandlerInfo = {
136 webKitWebSrcUriHandlerInit,
137 0, 0
138 };
139
140 GST_DEBUG_CATEGORY_INIT(webkit_web_src_debug, "webkitwebsrc", 0, "websrc element");
141 g_type_add_interface_static(gtype, GST_TYPE_URI_HANDLER,
142 &uriHandlerInfo);
143 }
144
145 GST_BOILERPLATE_FULL(WebKitWebSrc, webkit_web_src, GstBin, GST_TYPE_BIN, doInit);
146
webkit_web_src_base_init(gpointer klass)147 static void webkit_web_src_base_init(gpointer klass)
148 {
149 GstElementClass* eklass = GST_ELEMENT_CLASS(klass);
150
151 gst_element_class_add_pad_template(eklass,
152 gst_static_pad_template_get(&srcTemplate));
153 gst_element_class_set_details_simple(eklass,
154 (gchar*) "WebKit Web source element",
155 (gchar*) "Source",
156 (gchar*) "Handles HTTP/HTTPS uris",
157 (gchar*) "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
158 }
159
webkit_web_src_class_init(WebKitWebSrcClass * klass)160 static void webkit_web_src_class_init(WebKitWebSrcClass* klass)
161 {
162 GObjectClass* oklass = G_OBJECT_CLASS(klass);
163 GstElementClass* eklass = GST_ELEMENT_CLASS(klass);
164
165 oklass->finalize = webKitWebSrcFinalize;
166 oklass->set_property = webKitWebSrcSetProperty;
167 oklass->get_property = webKitWebSrcGetProperty;
168
169 // icecast stuff
170 g_object_class_install_property(oklass,
171 PROP_IRADIO_MODE,
172 g_param_spec_boolean("iradio-mode",
173 "iradio-mode",
174 "Enable internet radio mode (extraction of shoutcast/icecast metadata)",
175 FALSE,
176 (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
177
178 g_object_class_install_property(oklass,
179 PROP_IRADIO_NAME,
180 g_param_spec_string("iradio-name",
181 "iradio-name",
182 "Name of the stream",
183 0,
184 (GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
185
186 g_object_class_install_property(oklass,
187 PROP_IRADIO_GENRE,
188 g_param_spec_string("iradio-genre",
189 "iradio-genre",
190 "Genre of the stream",
191 0,
192 (GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
193
194 g_object_class_install_property(oklass,
195 PROP_IRADIO_URL,
196 g_param_spec_string("iradio-url",
197 "iradio-url",
198 "Homepage URL for radio stream",
199 0,
200 (GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
201
202 g_object_class_install_property(oklass,
203 PROP_IRADIO_TITLE,
204 g_param_spec_string("iradio-title",
205 "iradio-title",
206 "Name of currently playing song",
207 0,
208 (GParamFlags) (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS)));
209
210
211 /* Allows setting the uri using the 'location' property, which is used
212 * for example by gst_element_make_from_uri() */
213 g_object_class_install_property(oklass,
214 PROP_LOCATION,
215 g_param_spec_string("location",
216 "location",
217 "Location to read from",
218 0,
219 (GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
220 eklass->change_state = webKitWebSrcChangeState;
221
222 g_type_class_add_private(klass, sizeof(WebKitWebSrcPrivate));
223 }
224
webkit_web_src_init(WebKitWebSrc * src,WebKitWebSrcClass * gKlass)225 static void webkit_web_src_init(WebKitWebSrc* src,
226 WebKitWebSrcClass* gKlass)
227 {
228 GstPadTemplate* padTemplate = gst_static_pad_template_get(&srcTemplate);
229 GstPad* targetpad;
230 WebKitWebSrcPrivate* priv = WEBKIT_WEB_SRC_GET_PRIVATE(src);
231
232 src->priv = priv;
233
234 priv->client = new StreamingClient(src);
235
236 priv->srcpad = gst_ghost_pad_new_no_target_from_template("src",
237 padTemplate);
238
239 gst_element_add_pad(GST_ELEMENT(src), priv->srcpad);
240 gst_pad_set_query_function(priv->srcpad, webKitWebSrcQuery);
241
242 priv->appsrc = GST_APP_SRC(gst_element_factory_make("appsrc", 0));
243 if (!priv->appsrc) {
244 GST_ERROR_OBJECT(src, "Failed to create appsrc");
245 return;
246 }
247
248 GstElementFactory* factory = GST_ELEMENT_FACTORY(GST_ELEMENT_GET_CLASS(priv->appsrc)->elementfactory);
249 priv->haveAppSrc27 = gst_plugin_feature_check_version(GST_PLUGIN_FEATURE(factory), 0, 10, 27);
250
251 gst_bin_add(GST_BIN(src), GST_ELEMENT(priv->appsrc));
252
253 targetpad = gst_element_get_static_pad(GST_ELEMENT(priv->appsrc), "src");
254 gst_ghost_pad_set_target(GST_GHOST_PAD(priv->srcpad), targetpad);
255 gst_object_unref(targetpad);
256
257 gst_app_src_set_callbacks(priv->appsrc, &appsrcCallbacks, src, 0);
258 gst_app_src_set_emit_signals(priv->appsrc, FALSE);
259 gst_app_src_set_stream_type(priv->appsrc, GST_APP_STREAM_TYPE_SEEKABLE);
260
261 // 512k is a abitrary number but we should choose a value
262 // here to not pause/unpause the SoupMessage too often and
263 // to make sure there's always some data available for
264 // GStreamer to handle.
265 gst_app_src_set_max_bytes(priv->appsrc, 512 * 1024);
266
267 // Emit the need-data signal if the queue contains less
268 // than 20% of data. Without this the need-data signal
269 // is emitted when the queue is empty, we then dispatch
270 // the soup message unpausing to the main loop and from
271 // there unpause the soup message. This already takes
272 // quite some time and libsoup even needs some more time
273 // to actually provide data again. If we do all this
274 // already if the queue is 20% empty, it's much more
275 // likely that libsoup already provides new data before
276 // the queue is really empty.
277 // This might need tweaking for ports not using libsoup.
278 if (priv->haveAppSrc27)
279 g_object_set(priv->appsrc, "min-percent", 20, NULL);
280
281 webKitWebSrcStop(src, false);
282 }
283
webKitWebSrcFinalize(GObject * object)284 static void webKitWebSrcFinalize(GObject* object)
285 {
286 WebKitWebSrc* src = WEBKIT_WEB_SRC(object);
287 WebKitWebSrcPrivate* priv = src->priv;
288
289 delete priv->client;
290
291 g_free(priv->uri);
292
293 GST_CALL_PARENT(G_OBJECT_CLASS, finalize, ((GObject* )(src)));
294 }
295
webKitWebSrcSetProperty(GObject * object,guint propID,const GValue * value,GParamSpec * pspec)296 static void webKitWebSrcSetProperty(GObject* object, guint propID, const GValue* value, GParamSpec* pspec)
297 {
298 WebKitWebSrc* src = WEBKIT_WEB_SRC(object);
299 WebKitWebSrcPrivate* priv = src->priv;
300
301 switch (propID) {
302 case PROP_IRADIO_MODE:
303 priv->iradioMode = g_value_get_boolean(value);
304 break;
305 case PROP_LOCATION:
306 webKitWebSrcSetUri(reinterpret_cast<GstURIHandler*>(src), g_value_get_string(value));
307 break;
308 default:
309 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propID, pspec);
310 break;
311 }
312 }
313
webKitWebSrcGetProperty(GObject * object,guint propID,GValue * value,GParamSpec * pspec)314 static void webKitWebSrcGetProperty(GObject* object, guint propID, GValue* value, GParamSpec* pspec)
315 {
316 WebKitWebSrc* src = WEBKIT_WEB_SRC(object);
317 WebKitWebSrcPrivate* priv = src->priv;
318
319 switch (propID) {
320 case PROP_IRADIO_MODE:
321 g_value_set_boolean(value, priv->iradioMode);
322 break;
323 case PROP_IRADIO_NAME:
324 g_value_set_string(value, priv->iradioName);
325 break;
326 case PROP_IRADIO_GENRE:
327 g_value_set_string(value, priv->iradioGenre);
328 break;
329 case PROP_IRADIO_URL:
330 g_value_set_string(value, priv->iradioUrl);
331 break;
332 case PROP_IRADIO_TITLE:
333 g_value_set_string(value, priv->iradioTitle);
334 break;
335 case PROP_LOCATION:
336 g_value_set_string(value, webKitWebSrcGetUri(reinterpret_cast<GstURIHandler*>(src)));
337 break;
338 default:
339 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propID, pspec);
340 break;
341 }
342 }
343
344
webKitWebSrcStop(WebKitWebSrc * src,bool seeking)345 static void webKitWebSrcStop(WebKitWebSrc* src, bool seeking)
346 {
347 WebKitWebSrcPrivate* priv = src->priv;
348
349 if (priv->resourceHandle) {
350 priv->resourceHandle->cancel();
351 priv->resourceHandle.release();
352 }
353 priv->resourceHandle = 0;
354
355 if (priv->frame && !seeking)
356 priv->frame.release();
357
358 GST_OBJECT_LOCK(src);
359 if (priv->needDataID)
360 g_source_remove(priv->needDataID);
361 priv->needDataID = 0;
362
363 if (priv->enoughDataID)
364 g_source_remove(priv->enoughDataID);
365 priv->enoughDataID = 0;
366
367 if (priv->seekID)
368 g_source_remove(priv->seekID);
369 priv->seekID = 0;
370
371 priv->paused = FALSE;
372 GST_OBJECT_UNLOCK(src);
373
374 g_free(priv->iradioName);
375 priv->iradioName = 0;
376
377 g_free(priv->iradioGenre);
378 priv->iradioGenre = 0;
379
380 g_free(priv->iradioUrl);
381 priv->iradioUrl = 0;
382
383 g_free(priv->iradioTitle);
384 priv->iradioTitle = 0;
385
386 if (priv->appsrc) {
387 gst_app_src_set_caps(priv->appsrc, 0);
388 if (!seeking)
389 gst_app_src_set_size(priv->appsrc, -1);
390 }
391
392 priv->offset = 0;
393 priv->seekable = FALSE;
394
395 if (!seeking) {
396 priv->size = 0;
397 priv->requestedOffset = 0;
398 }
399
400 GST_DEBUG_OBJECT(src, "Stopped request");
401 }
402
webKitWebSrcStart(WebKitWebSrc * src)403 static bool webKitWebSrcStart(WebKitWebSrc* src)
404 {
405 WebKitWebSrcPrivate* priv = src->priv;
406
407 if (!priv->uri) {
408 GST_ERROR_OBJECT(src, "No URI provided");
409 return false;
410 }
411
412 KURL url = KURL(KURL(), priv->uri);
413
414 ResourceRequest request(url);
415 request.setTargetType(ResourceRequestBase::TargetIsMedia);
416 request.setAllowCookies(true);
417
418 NetworkingContext* context = 0;
419 if (priv->frame) {
420 Document* document = priv->frame->document();
421 if (document)
422 request.setHTTPReferrer(document->documentURI());
423
424 FrameLoader* loader = priv->frame->loader();
425 if (loader) {
426 loader->addExtraFieldsToSubresourceRequest(request);
427 context = loader->networkingContext();
428 }
429 }
430
431 // Let Apple web servers know we want to access their nice movie trailers.
432 if (!g_ascii_strcasecmp("movies.apple.com", url.host().utf8().data())
433 || !g_ascii_strcasecmp("trailers.apple.com", url.host().utf8().data()))
434 request.setHTTPUserAgent("Quicktime/7.6.6");
435
436 if (priv->requestedOffset) {
437 GOwnPtr<gchar> val;
438
439 val.set(g_strdup_printf("bytes=%" G_GUINT64_FORMAT "-", priv->requestedOffset));
440 request.setHTTPHeaderField("Range", val.get());
441 }
442
443 if (priv->iradioMode)
444 request.setHTTPHeaderField("icy-metadata", "1");
445
446 // Needed to use DLNA streaming servers
447 request.setHTTPHeaderField("transferMode.dlna", "Streaming");
448
449 priv->resourceHandle = ResourceHandle::create(context, request, priv->client, false, false);
450 if (!priv->resourceHandle) {
451 GST_ERROR_OBJECT(src, "Failed to create ResourceHandle");
452 return false;
453 }
454
455 GST_DEBUG_OBJECT(src, "Started request");
456
457 return true;
458 }
459
webKitWebSrcChangeState(GstElement * element,GstStateChange transition)460 static GstStateChangeReturn webKitWebSrcChangeState(GstElement* element, GstStateChange transition)
461 {
462 GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
463 WebKitWebSrc* src = WEBKIT_WEB_SRC(element);
464 WebKitWebSrcPrivate* priv = src->priv;
465
466 switch (transition) {
467 case GST_STATE_CHANGE_NULL_TO_READY:
468 if (!priv->appsrc) {
469 gst_element_post_message(element,
470 gst_missing_element_message_new(element, "appsrc"));
471 GST_ELEMENT_ERROR(src, CORE, MISSING_PLUGIN, (0), ("no appsrc"));
472 return GST_STATE_CHANGE_FAILURE;
473 }
474 break;
475 default:
476 break;
477 }
478
479 ret = GST_ELEMENT_CLASS(parent_class)->change_state(element, transition);
480 if (G_UNLIKELY(ret == GST_STATE_CHANGE_FAILURE)) {
481 GST_DEBUG_OBJECT(src, "State change failed");
482 return ret;
483 }
484
485 switch (transition) {
486 case GST_STATE_CHANGE_READY_TO_PAUSED:
487 GST_DEBUG_OBJECT(src, "READY->PAUSED");
488 if (!webKitWebSrcStart(src))
489 ret = GST_STATE_CHANGE_FAILURE;
490 break;
491 case GST_STATE_CHANGE_PAUSED_TO_READY:
492 GST_DEBUG_OBJECT(src, "PAUSED->READY");
493 webKitWebSrcStop(src, false);
494 break;
495 default:
496 break;
497 }
498
499 return ret;
500 }
501
webKitWebSrcQuery(GstPad * pad,GstQuery * query)502 static gboolean webKitWebSrcQuery(GstPad* pad, GstQuery* query)
503 {
504 GRefPtr<GstElement> src = adoptGRef(gst_pad_get_parent_element(pad));
505 WebKitWebSrc* webkitSrc = WEBKIT_WEB_SRC(src.get());
506 gboolean result = FALSE;
507
508 switch (GST_QUERY_TYPE(query)) {
509 case GST_QUERY_DURATION:
510 {
511 GstFormat format;
512
513 gst_query_parse_duration(query, &format, NULL);
514
515 GST_DEBUG_OBJECT(webkitSrc, "duration query in format %s", gst_format_get_name(format));
516 if ((format == GST_FORMAT_BYTES) && (webkitSrc->priv->size > 0)) {
517 gst_query_set_duration(query, format, webkitSrc->priv->size);
518 result = TRUE;
519 }
520 break;
521 }
522 case GST_QUERY_URI:
523 {
524 gst_query_set_uri(query, webkitSrc->priv->uri);
525 result = TRUE;
526 break;
527 }
528 default:
529 break;
530 }
531
532 if (!result)
533 result = gst_pad_query_default(pad, query);
534
535 return result;
536 }
537
538 // uri handler interface
539
webKitWebSrcUriGetType(void)540 static GstURIType webKitWebSrcUriGetType(void)
541 {
542 return GST_URI_SRC;
543 }
544
webKitWebSrcGetProtocols(void)545 static gchar** webKitWebSrcGetProtocols(void)
546 {
547 static gchar* protocols[] = {(gchar*) "http", (gchar*) "https", 0 };
548
549 return protocols;
550 }
551
webKitWebSrcGetUri(GstURIHandler * handler)552 static const gchar* webKitWebSrcGetUri(GstURIHandler* handler)
553 {
554 WebKitWebSrc* src = WEBKIT_WEB_SRC(handler);
555 WebKitWebSrcPrivate* priv = src->priv;
556
557 return priv->uri;
558 }
559
webKitWebSrcSetUri(GstURIHandler * handler,const gchar * uri)560 static gboolean webKitWebSrcSetUri(GstURIHandler* handler, const gchar* uri)
561 {
562 WebKitWebSrc* src = WEBKIT_WEB_SRC(handler);
563 WebKitWebSrcPrivate* priv = src->priv;
564
565 if (GST_STATE(src) >= GST_STATE_PAUSED) {
566 GST_ERROR_OBJECT(src, "URI can only be set in states < PAUSED");
567 return FALSE;
568 }
569
570 g_free(priv->uri);
571 priv->uri = 0;
572
573 if (!uri)
574 return TRUE;
575
576 KURL url(KURL(), uri);
577
578 if (!url.isValid() || !url.protocolInHTTPFamily()) {
579 GST_ERROR_OBJECT(src, "Invalid URI '%s'", uri);
580 return FALSE;
581 }
582
583 priv->uri = g_strdup(url.string().utf8().data());
584 return TRUE;
585 }
586
webKitWebSrcUriHandlerInit(gpointer gIface,gpointer ifaceData)587 static void webKitWebSrcUriHandlerInit(gpointer gIface, gpointer ifaceData)
588 {
589 GstURIHandlerInterface* iface = (GstURIHandlerInterface *) gIface;
590
591 iface->get_type = webKitWebSrcUriGetType;
592 iface->get_protocols = webKitWebSrcGetProtocols;
593 iface->get_uri = webKitWebSrcGetUri;
594 iface->set_uri = webKitWebSrcSetUri;
595 }
596
597 // appsrc callbacks
598
webKitWebSrcNeedDataMainCb(WebKitWebSrc * src)599 static gboolean webKitWebSrcNeedDataMainCb(WebKitWebSrc* src)
600 {
601 WebKitWebSrcPrivate* priv = src->priv;
602
603 priv->resourceHandle->setDefersLoading(false);
604
605 GST_OBJECT_LOCK(src);
606 priv->paused = FALSE;
607 priv->needDataID = 0;
608 GST_OBJECT_UNLOCK(src);
609 return FALSE;
610 }
611
webKitWebSrcNeedDataCb(GstAppSrc * appsrc,guint length,gpointer userData)612 static void webKitWebSrcNeedDataCb(GstAppSrc* appsrc, guint length, gpointer userData)
613 {
614 WebKitWebSrc* src = WEBKIT_WEB_SRC(userData);
615 WebKitWebSrcPrivate* priv = src->priv;
616
617 GST_DEBUG_OBJECT(src, "Need more data: %u", length);
618
619 GST_OBJECT_LOCK(src);
620 if (priv->needDataID || !priv->paused) {
621 GST_OBJECT_UNLOCK(src);
622 return;
623 }
624
625 priv->needDataID = g_timeout_add_full(G_PRIORITY_DEFAULT, 0, (GSourceFunc) webKitWebSrcNeedDataMainCb, gst_object_ref(src), (GDestroyNotify) gst_object_unref);
626 GST_OBJECT_UNLOCK(src);
627 }
628
webKitWebSrcEnoughDataMainCb(WebKitWebSrc * src)629 static gboolean webKitWebSrcEnoughDataMainCb(WebKitWebSrc* src)
630 {
631 WebKitWebSrcPrivate* priv = src->priv;
632
633 priv->resourceHandle->setDefersLoading(true);
634
635 GST_OBJECT_LOCK(src);
636 priv->paused = TRUE;
637 priv->enoughDataID = 0;
638 GST_OBJECT_UNLOCK(src);
639
640 return FALSE;
641 }
642
webKitWebSrcEnoughDataCb(GstAppSrc * appsrc,gpointer userData)643 static void webKitWebSrcEnoughDataCb(GstAppSrc* appsrc, gpointer userData)
644 {
645 WebKitWebSrc* src = WEBKIT_WEB_SRC(userData);
646 WebKitWebSrcPrivate* priv = src->priv;
647
648 GST_DEBUG_OBJECT(src, "Have enough data");
649
650 GST_OBJECT_LOCK(src);
651 if (priv->enoughDataID || priv->paused) {
652 GST_OBJECT_UNLOCK(src);
653 return;
654 }
655
656 priv->enoughDataID = g_timeout_add_full(G_PRIORITY_DEFAULT, 0, (GSourceFunc) webKitWebSrcEnoughDataMainCb, gst_object_ref(src), (GDestroyNotify) gst_object_unref);
657 GST_OBJECT_UNLOCK(src);
658 }
659
webKitWebSrcSeekMainCb(WebKitWebSrc * src)660 static gboolean webKitWebSrcSeekMainCb(WebKitWebSrc* src)
661 {
662 webKitWebSrcStop(src, true);
663 webKitWebSrcStart(src);
664
665 return FALSE;
666 }
667
webKitWebSrcSeekDataCb(GstAppSrc * appsrc,guint64 offset,gpointer userData)668 static gboolean webKitWebSrcSeekDataCb(GstAppSrc* appsrc, guint64 offset, gpointer userData)
669 {
670 WebKitWebSrc* src = WEBKIT_WEB_SRC(userData);
671 WebKitWebSrcPrivate* priv = src->priv;
672
673 GST_DEBUG_OBJECT(src, "Seeking to offset: %" G_GUINT64_FORMAT, offset);
674 if (offset == priv->offset)
675 return TRUE;
676
677 if (!priv->seekable)
678 return FALSE;
679 if (offset > priv->size)
680 return FALSE;
681
682 GST_DEBUG_OBJECT(src, "Doing range-request seek");
683 priv->requestedOffset = offset;
684
685 GST_OBJECT_LOCK(src);
686 if (priv->seekID)
687 g_source_remove(priv->seekID);
688 priv->seekID = g_timeout_add_full(G_PRIORITY_DEFAULT, 0, (GSourceFunc) webKitWebSrcSeekMainCb, gst_object_ref(src), (GDestroyNotify) gst_object_unref);
689 GST_OBJECT_UNLOCK(src);
690
691 return TRUE;
692 }
693
webKitWebSrcSetFrame(WebKitWebSrc * src,WebCore::Frame * frame)694 void webKitWebSrcSetFrame(WebKitWebSrc* src, WebCore::Frame* frame)
695 {
696 WebKitWebSrcPrivate* priv = src->priv;
697
698 priv->frame = frame;
699 }
700
StreamingClient(WebKitWebSrc * src)701 StreamingClient::StreamingClient(WebKitWebSrc* src) : m_src(src)
702 {
703
704 }
705
~StreamingClient()706 StreamingClient::~StreamingClient()
707 {
708
709 }
710
willSendRequest(ResourceHandle *,ResourceRequest &,const ResourceResponse &)711 void StreamingClient::willSendRequest(ResourceHandle*, ResourceRequest&, const ResourceResponse&)
712 {
713 }
714
didReceiveResponse(ResourceHandle *,const ResourceResponse & response)715 void StreamingClient::didReceiveResponse(ResourceHandle*, const ResourceResponse& response)
716 {
717 WebKitWebSrcPrivate* priv = m_src->priv;
718
719 GST_DEBUG_OBJECT(m_src, "Received response: %d", response.httpStatusCode());
720
721 // If we seeked we need 206 == PARTIAL_CONTENT
722 if (priv->requestedOffset && response.httpStatusCode() != 206) {
723 GST_ELEMENT_ERROR(m_src, RESOURCE, READ, (0), (0));
724 gst_app_src_end_of_stream(priv->appsrc);
725 webKitWebSrcStop(m_src, false);
726 return;
727 }
728
729 long long length = response.expectedContentLength();
730 if (length > 0) {
731 length += priv->requestedOffset;
732 gst_app_src_set_size(priv->appsrc, length);
733 if (!priv->haveAppSrc27) {
734 gst_segment_set_duration(&GST_BASE_SRC(priv->appsrc)->segment, GST_FORMAT_BYTES, length);
735 gst_element_post_message(GST_ELEMENT(priv->appsrc),
736 gst_message_new_duration(GST_OBJECT(priv->appsrc),
737 GST_FORMAT_BYTES, length));
738 }
739 }
740
741 priv->size = length >= 0 ? length : 0;
742 priv->seekable = length > 0 && g_ascii_strcasecmp("none", response.httpHeaderField("Accept-Ranges").utf8().data());
743
744 // icecast stuff
745 String value = response.httpHeaderField("icy-metaint");
746 if (!value.isEmpty()) {
747 gchar* endptr = 0;
748 gint64 icyMetaInt = g_ascii_strtoll(value.utf8().data(), &endptr, 10);
749
750 if (endptr && *endptr == '\0' && icyMetaInt > 0) {
751 GstCaps* caps = gst_caps_new_simple("application/x-icy", "metadata-interval", G_TYPE_INT, (gint) icyMetaInt, NULL);
752
753 gst_app_src_set_caps(priv->appsrc, caps);
754 gst_caps_unref(caps);
755 }
756 }
757
758 GstTagList* tags = gst_tag_list_new();
759 value = response.httpHeaderField("icy-name");
760 if (!value.isEmpty()) {
761 g_free(priv->iradioName);
762 priv->iradioName = g_strdup(value.utf8().data());
763 g_object_notify(G_OBJECT(m_src), "iradio-name");
764 gst_tag_list_add(tags, GST_TAG_MERGE_REPLACE, GST_TAG_ORGANIZATION, priv->iradioName, NULL);
765 }
766 value = response.httpHeaderField("icy-genre");
767 if (!value.isEmpty()) {
768 g_free(priv->iradioGenre);
769 priv->iradioGenre = g_strdup(value.utf8().data());
770 g_object_notify(G_OBJECT(m_src), "iradio-genre");
771 gst_tag_list_add(tags, GST_TAG_MERGE_REPLACE, GST_TAG_GENRE, priv->iradioGenre, NULL);
772 }
773 value = response.httpHeaderField("icy-url");
774 if (!value.isEmpty()) {
775 g_free(priv->iradioUrl);
776 priv->iradioUrl = g_strdup(value.utf8().data());
777 g_object_notify(G_OBJECT(m_src), "iradio-url");
778 gst_tag_list_add(tags, GST_TAG_MERGE_REPLACE, GST_TAG_LOCATION, priv->iradioUrl, NULL);
779 }
780 value = response.httpHeaderField("icy-title");
781 if (!value.isEmpty()) {
782 g_free(priv->iradioTitle);
783 priv->iradioTitle = g_strdup(value.utf8().data());
784 g_object_notify(G_OBJECT(m_src), "iradio-title");
785 gst_tag_list_add(tags, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE, priv->iradioTitle, NULL);
786 }
787
788 if (gst_tag_list_is_empty(tags))
789 gst_tag_list_free(tags);
790 else
791 gst_element_found_tags_for_pad(GST_ELEMENT(m_src), m_src->priv->srcpad, tags);
792 }
793
didReceiveData(ResourceHandle * handle,const char * data,int length,int encodedDataLength)794 void StreamingClient::didReceiveData(ResourceHandle* handle, const char* data, int length, int encodedDataLength)
795 {
796 WebKitWebSrcPrivate* priv = m_src->priv;
797
798 GST_LOG_OBJECT(m_src, "Have %d bytes of data", length);
799
800 if (priv->seekID || handle != priv->resourceHandle) {
801 GST_DEBUG_OBJECT(m_src, "Seek in progress, ignoring data");
802 return;
803 }
804
805 GstBuffer* buffer = gst_buffer_new_and_alloc(length);
806
807 memcpy(GST_BUFFER_DATA(buffer), data, length);
808 GST_BUFFER_OFFSET(buffer) = priv->offset;
809 priv->offset += length;
810 GST_BUFFER_OFFSET_END(buffer) = priv->offset;
811
812 GstFlowReturn ret = gst_app_src_push_buffer(priv->appsrc, buffer);
813 if (ret != GST_FLOW_OK && ret != GST_FLOW_UNEXPECTED)
814 GST_ELEMENT_ERROR(m_src, CORE, FAILED, (0), (0));
815 }
816
didFinishLoading(ResourceHandle *,double)817 void StreamingClient::didFinishLoading(ResourceHandle*, double)
818 {
819 WebKitWebSrcPrivate* priv = m_src->priv;
820
821 GST_DEBUG_OBJECT(m_src, "Have EOS");
822
823 if (!priv->seekID)
824 gst_app_src_end_of_stream(m_src->priv->appsrc);
825 }
826
didFail(ResourceHandle *,const ResourceError & error)827 void StreamingClient::didFail(ResourceHandle*, const ResourceError& error)
828 {
829 GST_ERROR_OBJECT(m_src, "Have failure: %s", error.localizedDescription().utf8().data());
830 GST_ELEMENT_ERROR(m_src, RESOURCE, FAILED, ("%s", error.localizedDescription().utf8().data()), (0));
831 gst_app_src_end_of_stream(m_src->priv->appsrc);
832 }
833
wasBlocked(ResourceHandle *)834 void StreamingClient::wasBlocked(ResourceHandle*)
835 {
836 GST_ERROR_OBJECT(m_src, "Request was blocked");
837 GST_ELEMENT_ERROR(m_src, RESOURCE, OPEN_READ, ("Access to \"%s\" was blocked", m_src->priv->uri), (0));
838 }
839
cannotShowURL(ResourceHandle *)840 void StreamingClient::cannotShowURL(ResourceHandle*)
841 {
842 GST_ERROR_OBJECT(m_src, "Cannot show URL");
843 GST_ELEMENT_ERROR(m_src, RESOURCE, OPEN_READ, ("Can't show \"%s\"", m_src->priv->uri), (0));
844 }
845
846 #endif // USE(GSTREAMER)
847
848