[svn r362] Some fixes in the GIOWatcher clean-ups, and changed the API version number.
1 /* GStreamer MythTV Plug-in
2 * Copyright (C) <2006> Rosfran Borges <rosfran.borges@indt.org.br>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library 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.
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 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
20 * When using the LiveTV content, put the location URI in the following
23 * myth://mythtv:mythtv@xxx.xxx.xxx.xxx:6543/?mythconverg
25 * Where the first field is the protocol (myth), the second and third are user
26 * name (mythtv) and password (mythtv), then backend host name and port number,
27 * and the last field is the database name (mythconverg).
34 #include "gstmythtvsrc.h"
35 #include <gmyth/gmyth_file_transfer.h>
36 #include <gmyth/gmyth_livetv.h>
38 #include <gmyth/gmyth_socket.h>
39 #include <gmyth/gmyth_tvchain.h>
44 GST_DEBUG_CATEGORY_STATIC (mythtvsrc_debug);
45 #define GST_CAT_DEFAULT mythtvsrc_debug
47 #define GST_GMYTHTV_ID_NUM 1
49 #define GST_GMYTHTV_CHANNEL_DEFAULT_NUM (-1)
51 #define GMYTHTV_VERSION_DEFAULT 30
53 #define GMYTHTV_TRANSFER_MAX_WAITS 100
55 #define GMYTHTV_TRANSFER_MAX_RESENDS 2
57 #define GMYTHTV_TRANSFER_MAX_BUFFER (128*1024)
59 #define MAX_READ_SIZE (4*1024)
61 #define GST_FLOW_ERROR_NO_DATA (-101)
63 #define REQUEST_MAX_SIZE (64*1024)
65 #define INTERNAL_BUFFER_SIZE (90*1024)
67 static const GstElementDetails gst_mythtv_src_details =
68 GST_ELEMENT_DETAILS ("MythTV client source",
70 "Control and receive data as a client over the network "
71 "via raw socket connections using the MythTV protocol",
72 "Rosfran Borges <rosfran.borges@indt.org.br>");
74 static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
77 GST_STATIC_CAPS ("video/x-nuv"));
83 #ifndef GST_DISABLE_GST_DEBUG
89 PROP_GMYTHTV_LIVE_CHAINID,
90 PROP_GMYTHTV_ENABLE_TIMING_POSITION,
91 PROP_GMYTHTV_CHANNEL_NUM
94 static void gst_mythtv_src_finalize (GObject * gobject);
96 static GstFlowReturn gst_mythtv_src_create (GstPushSrc * psrc,
99 static gboolean gst_mythtv_src_start (GstBaseSrc * bsrc);
100 static gboolean gst_mythtv_src_stop (GstBaseSrc * bsrc);
101 static gboolean gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size);
102 static gboolean gst_mythtv_src_is_seekable (GstBaseSrc * push_src);
104 static gboolean gst_mythtv_src_do_seek (GstBaseSrc * base,
105 GstSegment * segment);
107 static gboolean gst_mythtv_src_next_program_chain (GstMythtvSrc * src);
109 static GstStateChangeReturn
110 gst_mythtv_src_change_state (GstElement * element, GstStateChange transition);
112 static void gst_mythtv_src_set_property (GObject * object, guint prop_id,
113 const GValue * value, GParamSpec * pspec);
114 static void gst_mythtv_src_get_property (GObject * object, guint prop_id,
115 GValue * value, GParamSpec * pspec);
117 static void gst_mythtv_src_uri_handler_init (gpointer g_iface,
118 gpointer iface_data);
120 static gboolean gst_mythtv_src_handle_query (GstPad * pad, GstQuery * query);
122 static gboolean gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event);
124 static gint do_read_request_response (GstMythtvSrc * src, guint size,
125 GByteArray * data_ptr);
128 _urihandler_init (GType type)
130 static const GInterfaceInfo urihandler_info = {
131 gst_mythtv_src_uri_handler_init,
136 g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info);
138 GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, "MythTV src");
141 GST_BOILERPLATE_FULL (GstMythtvSrc, gst_mythtv_src, GstPushSrc,
142 GST_TYPE_PUSH_SRC, _urihandler_init)
144 static void gst_mythtv_src_base_init (gpointer g_class)
146 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
148 gst_element_class_add_pad_template (element_class,
149 gst_static_pad_template_get (&srctemplate));
151 gst_element_class_set_details (element_class, &gst_mythtv_src_details);
153 element_class->change_state = gst_mythtv_src_change_state;
158 gst_mythtv_src_class_init (GstMythtvSrcClass * klass)
160 GObjectClass *gobject_class;
161 GstPushSrcClass *gstpushsrc_class;
162 GstBaseSrcClass *gstbasesrc_class;
164 gobject_class = (GObjectClass *) klass;
165 gstbasesrc_class = (GstBaseSrcClass *) klass;
166 gstpushsrc_class = (GstPushSrcClass *) klass;
168 gobject_class->set_property = gst_mythtv_src_set_property;
169 gobject_class->get_property = gst_mythtv_src_get_property;
170 gobject_class->finalize = gst_mythtv_src_finalize;
172 g_object_class_install_property
173 (gobject_class, PROP_LOCATION,
174 g_param_spec_string ("location", "Location",
175 "The location. In the form:"
176 "\n\t\t\tmyth://a.com/file.nuv"
177 "\n\t\t\tmyth://a.com:23223/file.nuv "
178 "\n\t\t\ta.com/file.nuv - default scheme 'myth'",
179 "", G_PARAM_READWRITE));
181 g_object_class_install_property
182 (gobject_class, PROP_GMYTHTV_VERSION,
183 g_param_spec_int ("mythtv-version", "mythtv-version",
184 "Change MythTV version", 26, 30, 26, G_PARAM_READWRITE));
186 g_object_class_install_property
187 (gobject_class, PROP_GMYTHTV_LIVEID,
188 g_param_spec_int ("mythtv-live-id", "mythtv-live-id",
189 "Change MythTV version",
190 0, 200, GST_GMYTHTV_ID_NUM, G_PARAM_READWRITE));
192 g_object_class_install_property
193 (gobject_class, PROP_GMYTHTV_LIVE_CHAINID,
194 g_param_spec_string ("mythtv-live-chainid", "mythtv-live-chainid",
195 "Sets the MythTV chain ID (from TV Chain)", "", G_PARAM_READWRITE));
197 g_object_class_install_property
198 (gobject_class, PROP_GMYTHTV_LIVE,
199 g_param_spec_boolean ("mythtv-live", "mythtv-live",
200 "Enable MythTV Live TV content streaming", FALSE, G_PARAM_READWRITE));
202 g_object_class_install_property
203 (gobject_class, PROP_GMYTHTV_ENABLE_TIMING_POSITION,
204 g_param_spec_boolean ("mythtv-enable-timing-position",
205 "mythtv-enable-timing-position",
206 "Enable MythTV Live TV content size continuous updating", FALSE,
209 g_object_class_install_property
210 (gobject_class, PROP_GMYTHTV_CHANNEL_NUM,
211 g_param_spec_string ("mythtv-channel", "mythtv-channel",
212 "Change MythTV channel number",
213 "", G_PARAM_READWRITE));
215 #ifndef GST_DISABLE_GST_DEBUG
216 g_object_class_install_property
217 (gobject_class, PROP_GMYTHTV_DBG,
218 g_param_spec_boolean ("mythtv-debug", "mythtv-debug",
219 "Enable MythTV debug messages", FALSE, G_PARAM_READWRITE));
222 gstbasesrc_class->start = gst_mythtv_src_start;
223 gstbasesrc_class->stop = gst_mythtv_src_stop;
224 gstbasesrc_class->get_size = gst_mythtv_src_get_size;
225 gstbasesrc_class->is_seekable = gst_mythtv_src_is_seekable;
227 gstbasesrc_class->do_seek = gst_mythtv_src_do_seek;
228 gstpushsrc_class->create = gst_mythtv_src_create;
230 GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0,
231 "MythTV Client Source");
235 gst_mythtv_src_init (GstMythtvSrc * this, GstMythtvSrcClass * g_class)
237 this->file_transfer = NULL;
239 this->unique_setup = FALSE;
241 this->mythtv_version = GMYTHTV_VERSION_DEFAULT;
243 this->state = GST_MYTHTV_SRC_FILE_TRANSFER;
245 this->bytes_read = 0;
247 this->prev_content_size = 0;
249 this->content_size = 0;
250 this->read_offset = 0;
252 this->content_size_last = 0;
254 this->live_tv = FALSE;
256 this->enable_timing_position = FALSE;
257 this->update_prog_chain = FALSE;
259 this->user_agent = g_strdup ("mythtvsrc");
260 this->mythtv_caps = NULL;
261 this->update_prog_chain = FALSE;
263 this->channel_name = NULL;
267 this->bytes_queue = NULL;
269 this->wait_to_transfer = 0;
271 gst_base_src_set_format (GST_BASE_SRC (this), GST_FORMAT_BYTES);
273 gst_pad_set_event_function (GST_BASE_SRC_PAD (GST_BASE_SRC (this)),
274 gst_mythtv_src_handle_event);
275 gst_pad_set_query_function (GST_BASE_SRC_PAD (GST_BASE_SRC (this)),
276 gst_mythtv_src_handle_query);
281 gst_mythtv_src_finalize (GObject * gobject)
283 GstMythtvSrc *this = GST_MYTHTV_SRC (gobject);
285 if (this->mythtv_caps) {
286 gst_caps_unref (this->mythtv_caps);
287 this->mythtv_caps = NULL;
290 if (this->file_transfer) {
291 g_object_unref (this->file_transfer);
292 this->file_transfer = NULL;
295 if (this->spawn_livetv) {
296 g_object_unref (this->spawn_livetv);
297 this->spawn_livetv = NULL;
300 if (this->backend_info) {
301 g_object_unref (this->backend_info);
302 this->backend_info = NULL;
305 if (this->uri_name) {
306 g_free (this->uri_name);
309 if (this->user_agent) {
310 g_free (this->user_agent);
313 if (this->bytes_queue) {
314 g_byte_array_free (this->bytes_queue, TRUE);
315 this->bytes_queue = NULL;
318 G_OBJECT_CLASS (parent_class)->finalize (gobject);
322 do_read_request_response (GstMythtvSrc * src, guint size, GByteArray * data_ptr)
325 guint sizetoread = size;
326 gint max_iters = GMYTHTV_TRANSFER_MAX_RESENDS;
328 GST_LOG_OBJECT (src, "Starting: Reading %d bytes...", sizetoread);
330 /* Loop sending the Myth File Transfer request:
331 * Retry whilst authentication fails and we supply it. */
334 while (sizetoread == size && --max_iters > 0) {
336 len = gmyth_file_transfer_read (src->file_transfer,
337 data_ptr, sizetoread, TRUE);
342 } else if (len < 0) {
344 if (src->live_tv == FALSE) {
348 if (len == GMYTHTV_FILE_TRANSFER_READ_ERROR) { /* -314 */
349 GST_INFO_OBJECT (src, "[LiveTV] FileTransfer READ_ERROR!");
351 } else if (len == GMYTHTV_FILE_TRANSFER_NEXT_PROG_CHAIN) { /* -315 */
352 GST_INFO_OBJECT (src,
353 "[LiveTV] FileTransfer - Go to the next program chain!");
362 if (read == sizetoread)
366 if ((read < 0 && !src->live_tv) || max_iters == 0)
379 gst_mythtv_src_create (GstPushSrc * psrc, GstBuffer ** outbuf)
382 GstFlowReturn ret = GST_FLOW_OK;
385 src = GST_MYTHTV_SRC (psrc);
387 /* The caller should know the number of bytes and not read beyond EOS. */
388 if (G_UNLIKELY (src->eos))
390 if (G_UNLIKELY (src->update_prog_chain))
391 goto change_progchain;
393 GST_DEBUG_OBJECT (src, "offset = %" G_GUINT64_FORMAT ", size = %d...",
394 src->read_offset, MAX_READ_SIZE);
396 GST_DEBUG_OBJECT (src, "Create: buffer_remain: %d, buffer_size = %d.",
397 (gint) src->buffer_remain, src->bytes_queue->len);
399 /* just get from the byte array, no network effort... */
400 if ((src->buffer_remain = src->bytes_queue->len) < MAX_READ_SIZE) {
402 program_chain_changed:
403 GByteArray *buffer = NULL;
404 guint buffer_size_inter = (INTERNAL_BUFFER_SIZE - src->buffer_remain);
406 if (buffer_size_inter > REQUEST_MAX_SIZE)
407 buffer_size_inter = REQUEST_MAX_SIZE;
409 buffer = g_byte_array_new ();
411 read = do_read_request_response (src, buffer_size_inter, buffer);
413 if (G_UNLIKELY (read < 0)) {
415 if (buffer != NULL) {
416 g_byte_array_free (buffer, TRUE);
421 goto change_progchain;
424 } else if (G_UNLIKELY (read == 0)) {
426 if (buffer != NULL) {
427 g_byte_array_free (buffer, TRUE);
434 goto change_progchain;
437 if (G_UNLIKELY (src->update_prog_chain))
439 if (buffer != NULL) {
440 g_byte_array_free (buffer, TRUE);
443 goto change_progchain;
447 g_byte_array_append (src->bytes_queue, buffer->data, read);
448 if (read > buffer_size_inter)
449 GST_WARNING_OBJECT (src,
450 "INCREASED buffer size! Backend sent more than we ask him... (%d)",
451 abs (read - buffer_size_inter));
453 src->buffer_remain += read;
455 if (buffer != NULL) {
456 g_byte_array_free (buffer, TRUE);
460 GST_DEBUG_OBJECT (src,
461 "BYTES READ (actual) = %d, BYTES READ (cumulative) = %llu, "
462 "OFFSET = %llu, CONTENT SIZE = %llu.", read,
463 src->bytes_read, src->read_offset, src->content_size);
468 (src->buffer_remain < MAX_READ_SIZE) ? src->buffer_remain : MAX_READ_SIZE;
470 *outbuf = gst_buffer_new ();
472 /* gets the first buffer_size bytes from the byte array buffer variable */
473 /* guint8 *buf = g_memdup( src->bytes_queue->data, buffer_size ); */
475 GST_DEBUG_OBJECT (src, "read from network? %s!, buffer_remain = %d",
477 -1) ? "NO, got from buffer" : "YES, go see the backend's log file",
480 GST_BUFFER_SIZE (*outbuf) = buffer_size;
481 GST_BUFFER_MALLOCDATA (*outbuf) = g_malloc0 (GST_BUFFER_SIZE (*outbuf));
482 GST_BUFFER_DATA (*outbuf) = GST_BUFFER_MALLOCDATA (*outbuf);
483 g_memmove (GST_BUFFER_DATA ((*outbuf)), src->bytes_queue->data,
484 GST_BUFFER_SIZE (*outbuf));
485 GST_BUFFER_OFFSET (*outbuf) = src->read_offset;
486 GST_BUFFER_OFFSET_END (*outbuf) =
487 src->read_offset + GST_BUFFER_SIZE (*outbuf);
489 src->buffer_remain -= GST_BUFFER_SIZE (*outbuf);
491 src->read_offset += GST_BUFFER_SIZE (*outbuf);
492 src->bytes_read += GST_BUFFER_SIZE (*outbuf);
493 GST_DEBUG_OBJECT (src, "Buffer output with size: %d",
494 GST_BUFFER_SIZE (*outbuf));
496 /* flushs the newly buffer got from byte array */
498 g_byte_array_remove_range (src->bytes_queue, 0, buffer_size);
500 GST_DEBUG_OBJECT ( src, "Got buffer: BUFFER --->SIZE = %d, OFFSET = %llu, "
501 "OFFSET_END = %llu.", GST_BUFFER_SIZE (*outbuf),
502 GST_BUFFER_OFFSET (*outbuf), GST_BUFFER_OFFSET_END (*outbuf) );
504 GST_DEBUG_OBJECT (src, "CONTENT_SIZE = %llu, BYTES_READ = %llu.",
505 src->content_size, src->bytes_read);
507 if ( G_UNLIKELY (src->eos) || ( !src->live_tv
508 && ( src->bytes_read >= src->content_size ) ) )
513 const gchar *reason = gst_flow_get_name (ret);
515 GST_DEBUG_OBJECT (src, "DONE task, reason %s", reason);
520 const gchar *reason = gst_flow_get_name (ret);
522 GST_DEBUG_OBJECT (src, "pausing task, reason %s", reason);
523 return GST_FLOW_UNEXPECTED;
528 GST_ELEMENT_ERROR (src, RESOURCE, READ,
529 (NULL), ("Could not read any bytes (%i, %s)", read, src->uri_name));
530 return GST_FLOW_ERROR;
534 GST_ELEMENT_ERROR (src, RESOURCE, READ,
535 (NULL), ("Seek failed, go to the next program info... (%i, %s)", read,
538 gst_pad_push_event (GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)),
539 gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
541 /* go to the next program chain */
542 //src->unique_setup = FALSE;
543 //src->update_prog_chain = TRUE;
545 //gst_mythtv_src_next_program_chain (src);
547 goto program_chain_changed;
553 gst_mythtv_src_get_position (GstMythtvSrc * src)
559 if (src->live_tv == TRUE && (abs (src->content_size - src->bytes_read) <
560 GMYTHTV_TRANSFER_MAX_BUFFER)) {
564 size_tmp = gmyth_recorder_get_file_position (src->spawn_livetv->recorder);
565 if (size_tmp > (src->content_size + GMYTHTV_TRANSFER_MAX_BUFFER))
566 src->content_size = size_tmp;
567 else if (size_tmp > 0 && --max_tries > 0)
569 GST_LOG_OBJECT (src, "GET_POSITION: file_position = %lld", size_tmp);
570 /* sets the last content size amount before it can be updated */
571 src->prev_content_size = src->content_size;
574 return src->content_size;
579 gst_mythtv_src_do_seek (GstBaseSrc * base, GstSegment * segment)
581 GstMythtvSrc *src = GST_MYTHTV_SRC (base);
582 gint64 new_offset = -1;
583 gint64 actual_seek = segment->start;
586 GST_LOG_OBJECT (src, "seek, segment: %" GST_SEGMENT_FORMAT, segment);
588 if (segment->format == GST_FORMAT_TIME) {
592 "Trying to seek at the value (actual_seek = %lld, read_offset = %lld)",
593 actual_seek, src->read_offset);
594 /* verify if it needs to seek */
595 if (src->read_offset != actual_seek) {
598 gmyth_file_transfer_seek (src->file_transfer, segment->start, SEEK_SET);
601 "Segment offset start = %lld, SRC Offset = %lld, NEW actual backend SEEK Offset = %lld.",
602 segment->start, src->read_offset, new_offset);
603 if (G_UNLIKELY (new_offset < 0)) {
606 goto change_progchain;
611 src->read_offset = new_offset;
614 GST_INFO_OBJECT (src, "Failed to set the SEEK on segment!");
625 GST_DEBUG_OBJECT (src, "EOS found on seeking!!!");
630 GST_ELEMENT_ERROR (src, RESOURCE, READ,
631 (NULL), ("Seek failed, go to the next program info... (%i, %s)", read,
634 gst_pad_push_event (GST_BASE_SRC_PAD (base),
635 gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
636 /* go to the next program chain */
637 src->unique_setup = FALSE;
638 src->update_prog_chain = TRUE;
640 gst_mythtv_src_next_program_chain (src);
647 /* create a socket for connecting to remote server */
649 gst_mythtv_src_start (GstBaseSrc * bsrc)
651 GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc);
653 GString *chain_id_local = NULL;
654 GMythURI *gmyth_uri = NULL;
657 if (G_UNLIKELY (src->update_prog_chain))
658 goto change_progchain;
660 if (src->unique_setup == FALSE) {
661 src->unique_setup = TRUE;
666 gmyth_uri = gmyth_uri_new_with_value( src->uri_name );
668 src->backend_info = gmyth_backend_info_new_with_uri (src->uri_name);
669 src->live_tv |= gmyth_uri_is_livetv( gmyth_uri );
670 /* testing UPnP... */
671 /* gmyth_backend_info_set_hostname( src->backend_info, NULL ); */
672 if ( src->live_tv ) {
673 src->spawn_livetv = gmyth_livetv_new ();
675 gchar* ch = gmyth_uri_get_channel_name( gmyth_uri );
677 src->channel_name = ch;
679 if (src->channel_name != NULL) {
680 if (gmyth_livetv_channel_name_setup (src->spawn_livetv, src->channel_name,
681 src->backend_info) == FALSE) {
682 GST_INFO_OBJECT (src, "LiveTV setup felt down on error");
687 if (gmyth_livetv_setup (src->spawn_livetv, src->backend_info) == FALSE) {
688 GST_INFO_OBJECT (src, "LiveTV setup felt down on error");
694 /* testing change channel... */
695 /* gmyth_recorder_change_channel( src->spawn_livetv->recorder, CHANNEL_DIRECTION_UP ); */
697 src->file_transfer = gmyth_livetv_create_file_transfer (src->spawn_livetv);
699 if (NULL == src->file_transfer) {
700 GST_INFO_OBJECT (src, "[LiveTV] FileTransfer equals to NULL");
705 if ( !gmyth_file_transfer_open( src->file_transfer, src->spawn_livetv->uri != NULL ?
706 gmyth_uri_get_path(src->spawn_livetv->uri) :
707 src->spawn_livetv->proginfo->pathname->str ) )
709 GST_INFO_OBJECT (src, "Error: couldn't open the FileTransfer from LiveTV source!" );
710 g_object_unref( src->file_transfer );
711 src->file_transfer = NULL;
716 src->file_transfer = gmyth_file_transfer_new (src->backend_info);
718 ret = gmyth_file_transfer_open (src->file_transfer, src->uri_name);
722 if (NULL == src->file_transfer) {
723 GST_INFO_OBJECT (src, "FileTransfer is NULL");
726 /*GST_INFO_OBJECT( src, "uri = %s", src->spawn_livetv->file_transfer); */
729 #ifndef GST_DISABLE_GST_DEBUG
730 if (src->mythtv_msgs_dbg)
731 GST_INFO_OBJECT (src,
732 "MythTV FileTransfer request failed when setting up socket connection!");
734 goto begin_req_failed;
737 GST_INFO_OBJECT (src,
738 "MythTV FileTransfer filesize = %lld, content_size = %lld!",
739 src->file_transfer->filesize, src->content_size);
741 src->content_size = src->file_transfer->filesize;
743 src->do_start = FALSE;
745 /* this is used for the buffer cache */
746 src->bytes_queue = g_byte_array_sized_new (INTERNAL_BUFFER_SIZE);
747 src->buffer_remain = 0;
749 gst_pad_push_event (GST_BASE_SRC_PAD (GST_BASE_SRC (src)),
750 gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0,
751 src->content_size, 0));
754 /*if ( gmyth_uri != NULL )
756 g_object_unref( gmyth_uri );
760 if (chain_id_local != NULL) {
761 g_string_free (chain_id_local, TRUE);
762 chain_id_local = NULL;
770 if (src->spawn_livetv != NULL)
771 g_object_unref (src->spawn_livetv);
773 GST_ELEMENT_ERROR (src, LIBRARY, INIT,
774 (NULL), ("Could not initialize MythTV library (%i, %s)", ret,
780 GST_ELEMENT_ERROR (src, LIBRARY, INIT,
781 (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret,
787 GST_ELEMENT_ERROR (src, RESOURCE, READ,
788 (NULL), ("Seek failed, go to the next program info... (%s)",
791 gst_pad_push_event (GST_BASE_SRC_PAD (GST_BASE_SRC (src)),
792 gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
794 /* go to the next program chain */
795 src->unique_setup = FALSE;
796 src->update_prog_chain = TRUE;
798 gst_mythtv_src_next_program_chain (src);
804 /* create a new socket for connecting to the next program chain */
806 gst_mythtv_src_next_program_chain (GstMythtvSrc * src)
813 if (src->unique_setup == FALSE) {
814 src->unique_setup = TRUE;
819 GST_PAD_STREAM_LOCK (GST_BASE_SRC_PAD (GST_BASE_SRC (src)));
821 if (src->file_transfer) {
822 g_object_unref (src->file_transfer);
823 src->file_transfer = NULL;
827 g_free (src->uri_name);
830 if (src->backend_info == NULL)
831 src->backend_info = gmyth_backend_info_new_with_uri (src->uri_name);
834 if (gmyth_livetv_next_program_chain (src->spawn_livetv) == FALSE) {
835 GST_INFO_OBJECT (src, "Failed to go to the next program chain!");
839 /* set up the uri variable */
840 src->uri_name = g_strdup (src->spawn_livetv->proginfo->pathname->str);
842 src->file_transfer = gmyth_livetv_create_file_transfer (src->spawn_livetv);
845 src->file_transfer = gmyth_file_transfer_new (src->backend_info);
847 if (src->file_transfer == NULL) {
851 ret = gmyth_file_transfer_open (src->file_transfer, src->uri_name);
855 #ifndef GST_DISABLE_GST_DEBUG
856 if (src->mythtv_msgs_dbg)
857 GST_ERROR_OBJECT (src,
858 "MythTV FileTransfer request failed when setting up socket connection!");
860 goto begin_req_failed;
862 src->content_size_last = src->content_size;
864 src->content_size = src->file_transfer->filesize;
867 src->wait_to_transfer = 0;
868 while (src->wait_to_transfer++ < GMYTHTV_TRANSFER_MAX_WAITS &&
869 src->content_size < GMYTHTV_TRANSFER_MAX_BUFFER)
870 src->content_size = gst_mythtv_src_get_position (src);
874 src->read_offset = 0;
876 if (src->bytes_queue != NULL) {
877 g_byte_array_free (src->bytes_queue, TRUE);
880 src->bytes_queue = g_byte_array_sized_new (INTERNAL_BUFFER_SIZE);
883 src->update_prog_chain = FALSE;
885 GST_PAD_STREAM_UNLOCK (GST_BASE_SRC_PAD (GST_BASE_SRC (src)));
892 if (src->spawn_livetv != NULL)
893 g_object_unref (src->spawn_livetv);
895 GST_ELEMENT_ERROR (src, LIBRARY, INIT,
896 (NULL), ("Could not initialize MythTV library (%i, %s)", ret,
902 GST_ELEMENT_ERROR (src, LIBRARY, INIT,
903 (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret,
911 gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size)
913 GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc);
916 GST_LOG_OBJECT (src, "Differs from previous content size: %d (max.: %d)",
917 abs (src->content_size - src->prev_content_size),
918 GMYTHTV_TRANSFER_MAX_BUFFER);
922 } else if (src->live_tv && src->enable_timing_position
923 && (abs (src->content_size - src->bytes_read) <
924 GMYTHTV_TRANSFER_MAX_BUFFER)) {
927 gmyth_recorder_get_file_position (src->spawn_livetv->recorder);
928 if (new_offset > 0 && new_offset > src->content_size) {
929 src->content_size = new_offset;
930 } else if (new_offset < src->content_size) {
931 src->update_prog_chain = TRUE;
936 *size = src->content_size;
937 GST_LOG_OBJECT (src, "Content size = %lld", src->content_size);
943 /* close the socket and associated resources
944 * used both to recover from errors and go to NULL state */
946 gst_mythtv_src_stop (GstBaseSrc * bsrc)
950 src = GST_MYTHTV_SRC (bsrc);
953 g_free (src->uri_name);
954 src->uri_name = NULL;
957 if (src->mythtv_caps) {
958 gst_caps_unref (src->mythtv_caps);
959 src->mythtv_caps = NULL;
968 gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event)
970 GstMythtvSrc *src = GST_MYTHTV_SRC (GST_PAD_PARENT (pad));
971 gint64 cont_size = 0;
972 gboolean ret = FALSE;
974 switch (GST_EVENT_TYPE (event)) {
976 GST_WARNING_OBJECT (src, "Got EOS event");
979 cont_size = gst_mythtv_src_get_position (src);
980 if (cont_size > src->content_size) {
981 src->content_size = cont_size;
985 gst_element_set_state (GST_ELEMENT (src), GST_STATE_NULL);
986 gst_element_set_locked_state (GST_ELEMENT (src), FALSE);
991 ret = gst_pad_event_default (pad, event);
998 gst_mythtv_src_is_seekable (GstBaseSrc * push_src)
1004 gst_mythtv_src_handle_query (GstPad * pad, GstQuery * query)
1006 gboolean res = FALSE;
1007 GstMythtvSrc *myth = GST_MYTHTV_SRC (gst_pad_get_parent (pad));
1010 switch (GST_QUERY_TYPE (query)) {
1011 case GST_QUERY_POSITION:
1013 gst_query_parse_position (query, &formt, NULL);
1014 if (formt == GST_FORMAT_BYTES) {
1015 gst_query_set_position (query, formt, myth->read_offset);
1016 GST_DEBUG_OBJECT (myth, "POS %" G_GINT64_FORMAT, myth->read_offset);
1018 } else if (formt == GST_FORMAT_TIME) {
1019 res = gst_pad_query_default (pad, query);
1023 case GST_QUERY_DURATION:
1026 if (myth->duration != 0) {
1030 fps = nuv->h->i_fpsn / nuv->h->i_fpsd;
1032 gst_util_uint64_scale_int (GST_SECOND, nuv->h->i_video_blocks, fps);
1036 gst_query_parse_duration (query, &formt, NULL);
1037 if (formt == GST_FORMAT_BYTES) {
1038 gst_query_set_duration (query, formt, myth->content_size);
1039 GST_DEBUG_OBJECT (myth, "SIZE %" G_GINT64_FORMAT, myth->content_size);
1041 } else if (formt == GST_FORMAT_TIME) {
1042 res = gst_pad_query_default (pad, query);
1048 res = gst_pad_query_default (pad, query);
1053 gst_object_unref (myth);
1058 static GstStateChangeReturn
1059 gst_mythtv_src_change_state (GstElement * element, GstStateChange transition)
1061 GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
1062 GstMythtvSrc *src = GST_MYTHTV_SRC (element);
1064 switch (transition) {
1065 case GST_STATE_CHANGE_NULL_TO_READY:
1067 case GST_STATE_CHANGE_READY_TO_PAUSED:
1068 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1070 if (!gmyth_recorder_send_frontend_ready_command (src->spawn_livetv->
1072 GST_WARNING_OBJECT (src,
1073 "Couldn't send the FRONTEND_READY message to the backend!");
1075 GST_DEBUG_OBJECT (src, "FRONTEND_READY was sent to the backend");
1082 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
1083 if (ret == GST_STATE_CHANGE_FAILURE)
1086 switch (transition) {
1087 case GST_STATE_CHANGE_READY_TO_NULL:
1089 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1090 case GST_STATE_CHANGE_PAUSED_TO_READY:
1100 gst_mythtv_src_set_property (GObject * object, guint prop_id,
1101 const GValue * value, GParamSpec * pspec)
1103 GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object);
1105 GST_OBJECT_LOCK (mythtvsrc);
1109 if (!g_value_get_string (value)) {
1110 GST_WARNING ("location property cannot be NULL");
1114 if (mythtvsrc->uri_name != NULL) {
1115 g_free (mythtvsrc->uri_name);
1116 mythtvsrc->uri_name = NULL;
1118 mythtvsrc->uri_name = g_value_dup_string (value);
1122 #ifndef GST_DISABLE_GST_DEBUG
1123 case PROP_GMYTHTV_DBG:
1125 mythtvsrc->mythtv_msgs_dbg = g_value_get_boolean (value);
1129 case PROP_GMYTHTV_VERSION:
1131 mythtvsrc->mythtv_version = g_value_get_int (value);
1134 case PROP_GMYTHTV_LIVEID:
1136 mythtvsrc->live_tv_id = g_value_get_int (value);
1139 case PROP_GMYTHTV_LIVE:
1141 mythtvsrc->live_tv = g_value_get_boolean (value);
1144 case PROP_GMYTHTV_ENABLE_TIMING_POSITION:
1146 mythtvsrc->enable_timing_position = g_value_get_boolean (value);
1149 case PROP_GMYTHTV_LIVE_CHAINID:
1151 if (!g_value_get_string (value)) {
1152 GST_WARNING ("MythTV Live chainid property cannot be NULL");
1156 if (mythtvsrc->live_chain_id != NULL) {
1157 g_free (mythtvsrc->live_chain_id);
1158 mythtvsrc->live_chain_id = NULL;
1160 mythtvsrc->live_chain_id = g_value_dup_string (value);
1163 case PROP_GMYTHTV_CHANNEL_NUM:
1165 mythtvsrc->channel_name = g_value_dup_string (value);
1169 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1173 GST_OBJECT_UNLOCK (mythtvsrc);
1177 gst_mythtv_src_get_property (GObject * object, guint prop_id,
1178 GValue * value, GParamSpec * pspec)
1180 GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object);
1182 GST_OBJECT_LOCK (mythtvsrc);
1186 gchar *str = g_strdup ("");
1188 if (mythtvsrc->uri_name == NULL) {
1189 g_free (mythtvsrc->uri_name);
1190 mythtvsrc->uri_name = NULL;
1192 str = g_strdup (mythtvsrc->uri_name);
1194 g_value_set_string (value, str);
1197 #ifndef GST_DISABLE_GST_DEBUG
1198 case PROP_GMYTHTV_DBG:
1199 g_value_set_boolean (value, mythtvsrc->mythtv_msgs_dbg);
1202 case PROP_GMYTHTV_VERSION:
1204 g_value_set_int (value, mythtvsrc->mythtv_version);
1207 case PROP_GMYTHTV_LIVEID:
1209 g_value_set_int (value, mythtvsrc->live_tv_id);
1212 case PROP_GMYTHTV_LIVE:
1213 g_value_set_boolean (value, mythtvsrc->live_tv);
1215 case PROP_GMYTHTV_ENABLE_TIMING_POSITION:
1216 g_value_set_boolean (value, mythtvsrc->enable_timing_position);
1218 case PROP_GMYTHTV_LIVE_CHAINID:
1220 gchar *str = g_strdup ("");
1222 if (mythtvsrc->live_chain_id == NULL) {
1223 g_free (mythtvsrc->live_chain_id);
1224 mythtvsrc->live_chain_id = NULL;
1226 str = g_strdup (mythtvsrc->live_chain_id);
1228 g_value_set_string (value, str);
1231 case PROP_GMYTHTV_CHANNEL_NUM:
1233 g_value_set_string (value, mythtvsrc->channel_name);
1237 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1240 GST_OBJECT_UNLOCK (mythtvsrc);
1244 plugin_init (GstPlugin * plugin)
1246 return gst_element_register (plugin, "mythtvsrc", GST_RANK_NONE,
1247 GST_TYPE_MYTHTV_SRC);
1250 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
1254 plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
1257 /*** GSTURIHANDLER INTERFACE *************************************************/
1259 gst_mythtv_src_uri_get_type (void)
1265 gst_mythtv_src_uri_get_protocols (void)
1267 static gchar *protocols[] = { "myth", "myths", NULL };
1272 static const gchar *
1273 gst_mythtv_src_uri_get_uri (GstURIHandler * handler)
1275 GstMythtvSrc *src = GST_MYTHTV_SRC (handler);
1277 return src->uri_name;
1281 gst_mythtv_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
1283 GstMythtvSrc *src = GST_MYTHTV_SRC (handler);
1287 protocol = gst_uri_get_protocol (uri);
1288 if ((strcmp (protocol, "myth") != 0) && (strcmp (protocol, "myths") != 0)) {
1293 g_object_set (src, "location", uri, NULL);
1299 gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
1301 GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
1303 iface->get_type = gst_mythtv_src_uri_get_type;
1304 iface->get_protocols = gst_mythtv_src_uri_get_protocols;
1305 iface->get_uri = gst_mythtv_src_uri_get_uri;
1306 iface->set_uri = gst_mythtv_src_uri_set_uri;
1310 size_header_handler (void *userdata, const char *value)
1312 GstMythtvSrc *src = GST_MYTHTV_SRC (userdata);
1314 GST_DEBUG_OBJECT (src, "content size = %lld bytes", src->content_size);