/* vim: set sw=2: -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2; c-indent-level: 2 -*- */ /* GStreamer MythTV Plug-in * Copyright (C) <2006> Rosfran Borges * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstmythtvsrc.h" #include "myth_file_transfer.h" #include "myth_livetv.h" #include #include #include #include GST_DEBUG_CATEGORY_STATIC (mythtvsrc_debug); #define GST_CAT_DEFAULT mythtvsrc_debug #define GST_MYTHTV_ID_NUM 1 #define MYTHTV_VERSION_DEFAULT 30 #define MYTHTV_TRANSFER_MAX_WAITS 100 #define MYTHTV_TRANSFER_MAX_BUFFER ( 32*1024 ) /* 4*1024 ??? */ #define MAX_READ_SIZE ( 16*1024 ) #define ENABLE_TIMING_POSITION 1 /* stablish a maximum iteration value to the IS_RECORDING message */ static guint wait_to_transfer = 0; static const GstElementDetails gst_mythtv_src_details = GST_ELEMENT_DETAILS ("MythTV client source", "Source/Network", "Control and receive data as a client over the network via raw socket connections using the MythTV protocol", "Rosfran Borges "); static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); enum { PROP_0, PROP_LOCATION, PROP_URI, #ifndef GST_DISABLE_GST_DEBUG PROP_MYTHTV_DBG, #endif PROP_MYTHTV_VERSION, PROP_MYTHTV_LIVE, PROP_MYTHTV_LIVEID, PROP_MYTHTV_LIVE_CHAINID }; static void gst_mythtv_src_finalize (GObject * gobject); static GstFlowReturn gst_mythtv_src_create (GstBaseSrc * psrc, guint64 offset, guint size, GstBuffer ** outbuf); static gboolean gst_mythtv_src_start (GstBaseSrc * bsrc); static gboolean gst_mythtv_src_stop (GstBaseSrc * bsrc); static gboolean gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size); static gboolean gst_mythtv_src_is_seekable( GstBaseSrc *base_src ); static void gst_mythtv_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_mythtv_src_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static void gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data); static gboolean gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event); static void _urihandler_init (GType type) { static const GInterfaceInfo urihandler_info = { gst_mythtv_src_uri_handler_init, NULL, NULL }; g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info); GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, "MythTV src"); } GST_BOILERPLATE_FULL (GstMythtvSrc, gst_mythtv_src, GstBaseSrc, GST_TYPE_BASE_SRC, _urihandler_init); static void gst_mythtv_src_base_init (gpointer g_class) { GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); gst_element_class_add_pad_template (element_class, gst_static_pad_template_get (&srctemplate)); gst_element_class_set_details (element_class, &gst_mythtv_src_details); } static void gst_mythtv_src_class_init (GstMythtvSrcClass * klass) { GObjectClass *gobject_class; GstBaseSrcClass *gstbasesrc_class; gobject_class = (GObjectClass *) klass; gstbasesrc_class = (GstBaseSrcClass *) klass; gobject_class->set_property = gst_mythtv_src_set_property; gobject_class->get_property = gst_mythtv_src_get_property; gobject_class->finalize = gst_mythtv_src_finalize; g_object_class_install_property (gobject_class, PROP_LOCATION, g_param_spec_string ("location", "Location", "The location. In the form:" "\n\t\t\tmyth://a.com/file.nuv" "\n\t\t\tmyth://a.com:23223/file.nuv " "\n\t\t\ta.com/file.nuv - default scheme 'myth'", "", G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_URI, g_param_spec_string ("uri", "Uri", "The location in form of a URI (deprecated; use location)", "", G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_MYTHTV_VERSION, g_param_spec_int ("mythtv-version", "mythtv-version", "Change Myth TV version", 26, 30, 26, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_MYTHTV_LIVEID, g_param_spec_int ("mythtv-live-id", "mythtv-live-id", "Change Myth TV version", 0, 200, GST_MYTHTV_ID_NUM, G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_MYTHTV_LIVE_CHAINID, g_param_spec_string ("mythtv-live-chainid", "mythtv-live-chainid", "Sets the Myth TV chain ID (from TV Chain)", "", G_PARAM_READWRITE)); g_object_class_install_property (gobject_class, PROP_MYTHTV_LIVE, g_param_spec_boolean ("mythtv-live", "mythtv-live", "Enable MythTV Live TV content streaming", FALSE, G_PARAM_READWRITE)); #ifndef GST_DISABLE_GST_DEBUG g_object_class_install_property (gobject_class, PROP_MYTHTV_DBG, g_param_spec_boolean ("mythtv-debug", "mythtv-debug", "Enable MythTV debug messages", FALSE, G_PARAM_READWRITE)); #endif gstbasesrc_class->start = gst_mythtv_src_start; gstbasesrc_class->stop = gst_mythtv_src_stop; gstbasesrc_class->get_size = gst_mythtv_src_get_size; gstbasesrc_class->is_seekable = gst_mythtv_src_is_seekable; gstbasesrc_class->create = gst_mythtv_src_create; GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, "MythTV Client Source"); } static void gst_mythtv_src_init (GstMythtvSrc * this, GstMythtvSrcClass * g_class) { this->file_transfer = NULL; this->unique_setup = FALSE; this->mythtv_version = MYTHTV_VERSION_DEFAULT; this->bytes_read = 0; this->content_size = -1; this->read_offset = 0; this->live_tv = FALSE; this->user_agent = g_strdup ("mythtvsrc"); this->mythtv_caps = NULL; gst_pad_set_event_function (GST_BASE_SRC_PAD(GST_BASE_SRC(this)), GST_DEBUG_FUNCPTR (gst_mythtv_src_handle_event)); } static void gst_mythtv_src_finalize (GObject * gobject) { GstMythtvSrc *this = GST_MYTHTV_SRC (gobject); g_free (this->user_agent); if (this->mythtv_caps) { gst_caps_unref (this->mythtv_caps); this->mythtv_caps = NULL; } if (this->file_transfer) { g_object_unref (this->file_transfer); this->file_transfer = NULL; } if (this->uri_name) { g_free (this->uri_name); } if (this->user_agent) { g_free (this->user_agent); } G_OBJECT_CLASS (parent_class)->finalize (gobject); } #if 0 static guint do_seek( GstMythtvSrc *src, guint64 offset, guint size, GstBuffer *outbuf ) { guint64 off_uint64 = myth_file_transfer_seek(src->file_transfer, offset, 1); g_print( "[%s] Call MythTV SEEK with offset %llu, got a new one %llu...\n", __FUNCTION__, offset, off_uint64 ); return off_uint64; } #endif static guint do_read_request_response (GstMythtvSrc * src, guint64 offset, guint size, GstBuffer * outbuf) { guint read = 0; guint sizetoread = size; //GST_BUFFER_SIZE (outbuf); g_print( "[%s] Reading %d bytes...\n", __FUNCTION__, sizetoread ); /* Loop sending the request: * Retry whilst authentication fails and we supply it. */ ssize_t len = 0; GST_OBJECT_LOCK(src); while ( sizetoread > 0 ) { len = myth_file_transfer_read( src->file_transfer, GST_BUFFER_DATA (outbuf) + read, sizetoread, TRUE ); if ( len > 0 ) { read += len; src->read_offset += read; sizetoread -= len; } else if ( len < 0 ) { goto done; } /*else if ( len == 0 ) { goto eos; }*/ if ( len == sizetoread ) break; } if ( read > 0 ) { src->bytes_read += read; GST_BUFFER_SIZE (outbuf) = read; } else if ( read <= 0 || len <= 0 ) { if ( src->live_tv == FALSE ) goto eos; else goto done; } //GST_BUFFER_OFFSET (outbuf) = src->read_offset; g_print( "[%s]\tBYTES READ (actual) = %d, BYTES READ (cumulative) = %llu, "\ "OFFSET = %llu, CONTENT SIZE = %llu.\n", __FUNCTION__, read, src->bytes_read, src->read_offset, src->content_size ); GST_OBJECT_UNLOCK(src); if ( len < 0 ) { read = len; if ( src->live_tv == FALSE ) goto eos; else goto done; } if ( src->bytes_read < src->content_size ) goto done; eos: GST_OBJECT_UNLOCK(src); src->eos = TRUE; done: GST_OBJECT_UNLOCK(src); return read; } static GstFlowReturn gst_mythtv_src_create ( GstBaseSrc * psrc, guint64 offset, guint size, GstBuffer **outbuf ) { GstMythtvSrc *src; GstFlowReturn ret = GST_FLOW_OK; guint read; guint64 size_tmp = 0; src = GST_MYTHTV_SRC (psrc); g_print( "[%s]\tBUFFER OFFSET = %llu, BUFFER SIZE = %d.\n", __FUNCTION__, offset, size ); /* The caller should know the number of bytes and not read beyond EOS. */ if (G_UNLIKELY (src->eos)) goto eos; /* Create the buffer. */ ret = gst_pad_alloc_buffer ( GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)), // GST_BUFFER_OFFSET_NONE, GST_BASE_SRC (psrc)->blocksize, offset, size, src->mythtv_caps ? src->mythtv_caps : GST_PAD_CAPS (GST_BASE_SRC_PAD (GST_BASE_SRC (psrc))), outbuf ); if (G_UNLIKELY (ret == GST_FLOW_UNEXPECTED)) goto eos; if (G_UNLIKELY (ret != GST_FLOW_OK)) goto done; read = do_read_request_response ( src, offset, size, *outbuf ); #if ENABLE_TIMING_POSITION == 1 if (src->live_tv == TRUE) { //g_usleep( 1000 ); get_file_pos: //g_usleep( 100 ); size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); if ( size_tmp > ( src->content_size + MYTHTV_TRANSFER_MAX_BUFFER ) ) src->content_size = size_tmp; else goto get_file_pos; g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", __FUNCTION__, size_tmp); } #endif if (G_UNLIKELY (read < 0)) goto read_error; if (G_UNLIKELY(src->eos)) goto eos; done: return ret; eos: #if ENABLE_TIMING_POSITION == 1 if ( src->live_tv == TRUE ) { //g_usleep( 1000 ); guint64 size_tmp = 0; get_file_pos_eos: //g_usleep( 100 ); size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); if ( size_tmp > ( src->content_size + MYTHTV_TRANSFER_MAX_BUFFER ) ) src->content_size = size_tmp; else goto get_file_pos_eos; g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", __FUNCTION__, size_tmp); goto done; } else #endif { GST_DEBUG_OBJECT (src, "EOS reached"); return GST_FLOW_UNEXPECTED; } /* ERRORS */ read_error: { GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), ("Could not read any bytes (%i, %s)", read, src->uri_name)); return GST_FLOW_ERROR; } } #if 0 /* The following two charset mangling functions were copied from gnomevfssrc. * Preserve them under the unverified assumption that they do something vaguely * worthwhile. */ static char * unicodify (const char *str, int len, ...) { char *ret = NULL, *cset; va_list args; gsize bytes_read, bytes_written; if (g_utf8_validate (str, len, NULL)) return g_strndup (str, len >= 0 ? len : strlen (str)); va_start (args, len); while ((cset = va_arg (args, char *)) != NULL) { if (!strcmp (cset, "locale")) ret = g_locale_to_utf8 (str, len, &bytes_read, &bytes_written, NULL); else ret = g_convert (str, len, "UTF-8", cset, &bytes_read, &bytes_written, NULL); if (ret) break; } va_end (args); return ret; } static char * gst_mythtv_src_unicodify (const char *str) { return unicodify (str, -1, "locale", "ISO-8859-1", NULL); } #endif /* create a socket for connecting to remote server */ static gboolean gst_mythtv_src_start ( GstBaseSrc * bsrc ) { GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc); GString *chain_id_local = NULL; gboolean ret = TRUE; #if 0 if (src->live_tv == TRUE && src->file_transfer != NULL) { guint64 size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); if (size_tmp > src->content_size) src->content_size = size_tmp; g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", __FUNCTION__, size_tmp); } #endif if (src->unique_setup == FALSE) { src->unique_setup = TRUE; } else { goto done; } GST_OBJECT_LOCK(src); if ( src->live_tv ) { src->spawn_livetv = myth_livetv_new( ); if ( myth_livetv_setup( src->spawn_livetv ) == FALSE ) { ret = FALSE; goto init_failed; } /* set up the uri variable */ src->uri_name = g_strdup( src->spawn_livetv->proginfo->pathname->str ); chain_id_local = gmyth_tvchain_get_id( src->spawn_livetv->tvchain ); if ( chain_id_local != NULL ) { src->live_chain_id = g_strdup( chain_id_local->str ); g_print( "\t[%s]\tLocal chain ID = %s.\n", __FUNCTION__, src->live_chain_id ); } src->live_tv_id = src->spawn_livetv->remote_encoder->recorder_num; g_print ( "[%s] LiveTV id = %d, URI path = %s.\n", __FUNCTION__, src->live_tv_id, src->uri_name ); } src->file_transfer = myth_file_transfer_new( src->live_tv_id, g_string_new( src->uri_name ), -1, src->mythtv_version ); if ( src->file_transfer == NULL ) { GST_OBJECT_UNLOCK(src); goto init_failed; } if ( src->live_tv ) { g_print ( "[%s] GST MYTHTVSRC: live_chain_id = %s\n", __FUNCTION__, src->live_chain_id ); /* sets the MythSocket to the FileTransfer */ //ret = myth_file_transfer_livetv_setup( &(src->file_transfer), src->spawn_livetv->remote_encoder->myth_socket ); } /* sets the Playback monitor connection */ ret = myth_file_transfer_playback_setup( &(src->file_transfer), src->live_tv ); if ( src->live_tv == TRUE && ret == TRUE ) { /* loop finished, set the max tries variable to zero again... */ wait_to_transfer = 0; while ( wait_to_transfer++ < MYTHTV_TRANSFER_MAX_WAITS && ( myth_file_transfer_is_recording( src->file_transfer ) == FALSE /*|| ( myth_file_transfer_get_file_position( src->file_transfer ) < ( src->content_size + 327680 ) )*/ ) ) g_usleep( 100 ); } /* sets the FileTransfer instance connection (video/audio download) */ ret = myth_file_transfer_setup( &(src->file_transfer), src->live_tv ); if ( ret == FALSE ) { GST_OBJECT_UNLOCK(src); #ifndef GST_DISABLE_GST_DEBUG if ( src->mythtv_msgs_dbg ) g_printerr( "MythTV FileTransfer request failed when setting up socket connection!\n" ); #endif goto begin_req_failed; } src->content_size = src->file_transfer->filesize; GST_OBJECT_UNLOCK(src); #if 0 const char *str_value; gint gint_value; str_value = ne_get_response_header (src->request, "myth-metaint"); if (str_value) { if ( sscanf (str_value, "%d", &gint_value) == 1 ) { if (src->myth_caps) { gst_caps_unref (src->myth_caps); src->myth_caps = NULL; } src->myth_metaint = gint_value; #endif //src->mythtv_caps = gst_caps_new_simple ("application/x-gst_ff-nuv", NULL); // } // } done: return TRUE; /* ERRORS */ init_failed: { if (src->spawn_livetv != NULL ) g_object_unref( src->spawn_livetv ); GST_ELEMENT_ERROR (src, LIBRARY, INIT, (NULL), ("Could not initialize MythTV library (%i, %s)", ret, src->uri_name)); return FALSE; } begin_req_failed: { GST_ELEMENT_ERROR (src, LIBRARY, INIT, (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret, src->uri_name)); return FALSE; } } static gboolean gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size) { GstMythtvSrc *src; src = GST_MYTHTV_SRC (bsrc); #if ENABLE_TIMING_POSITION == 1 guint64 size_tmp = 0; if (src->live_tv == TRUE) { get_file_pos: //g_usleep( 100 ); size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); if ( size_tmp > ( src->content_size + MYTHTV_TRANSFER_MAX_BUFFER ) ) src->content_size = size_tmp; else goto get_file_pos; g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", __FUNCTION__, size_tmp); } #endif if (src->content_size <= 0) return FALSE; *size = src->content_size; return TRUE; } /* close the socket and associated resources * used both to recover from errors and go to NULL state */ static gboolean gst_mythtv_src_stop (GstBaseSrc * bsrc) { GstMythtvSrc *src; src = GST_MYTHTV_SRC (bsrc); if (src->uri_name) { g_free (src->uri_name); src->uri_name = NULL; } if (src->mythtv_caps) { gst_caps_unref (src->mythtv_caps); src->mythtv_caps = NULL; } src->eos = FALSE; return TRUE; } static gboolean gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event) { GstMythtvSrc *src = GST_MYTHTV_SRC (GST_PAD_PARENT (pad)); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_FLUSH_START: src->eos = FALSE; break; //return TRUE; case GST_EVENT_FLUSH_STOP: src->do_start = TRUE; src->eos = FALSE; gst_element_set_state (GST_ELEMENT(src), GST_STATE_NULL); gst_element_set_locked_state (GST_ELEMENT(src), TRUE); break; case GST_EVENT_SEEK: { gdouble rate; //gboolean update = TRUE; GstFormat format; GstSeekType cur_type, stop_type; GstSeekFlags flags; gint64 cur = 0, stop = 0; gst_event_parse_seek ( event, &rate, &format, &flags, &cur_type, &cur, &stop_type, &stop ); g_print( "[%s] Got EVENT_SEEK.\n", __FUNCTION__ ); if ( !( flags & GST_SEEK_FLAG_FLUSH ) ) { g_print( "[%s] Could get the FLAG_FLUSH message.\n", __FUNCTION__ ); } //gboolean ret = gst_event_parse_new_segment ( event, // &update, &rate, &format, &start, &stop, // &position ); //GstFlowReturn flow_ret = gst_mythtv_src_create (GST_BASE_SRC( GST_PAD_PARENT( psrc ) ), // cur, stop - cur + 1, GstBuffer) } default: return gst_pad_event_default (pad, event); } return gst_pad_event_default (pad, event); } static gboolean gst_mythtv_src_is_seekable( GstBaseSrc *base_src ) { return TRUE; } static void gst_mythtv_src_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object); GST_OBJECT_LOCK (mythtvsrc); switch (prop_id) { case PROP_URI: case PROP_LOCATION: { if (!g_value_get_string (value)) { GST_WARNING ("location property cannot be NULL"); goto done; } if (mythtvsrc->uri_name != NULL) { g_free (mythtvsrc->uri_name); mythtvsrc->uri_name = NULL; } mythtvsrc->uri_name = g_value_dup_string (value); break; } #ifndef GST_DISABLE_GST_DEBUG case PROP_MYTHTV_DBG: { mythtvsrc->mythtv_msgs_dbg = g_value_get_boolean (value); break; } #endif case PROP_MYTHTV_VERSION: { mythtvsrc->mythtv_version = g_value_get_int (value); break; } case PROP_MYTHTV_LIVEID: { mythtvsrc->live_tv_id = g_value_get_int (value); break; } case PROP_MYTHTV_LIVE: { mythtvsrc->live_tv = g_value_get_boolean (value); break; } case PROP_MYTHTV_LIVE_CHAINID: { if (!g_value_get_string (value)) { GST_WARNING ("MythTV Live chainid property cannot be NULL"); goto done; } if (mythtvsrc->live_chain_id != NULL) { g_free (mythtvsrc->live_chain_id); mythtvsrc->live_chain_id = NULL; } mythtvsrc->live_chain_id = g_value_dup_string (value); break; } default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (mythtvsrc); done: return; } static void gst_mythtv_src_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object); GST_OBJECT_LOCK (mythtvsrc); switch (prop_id) { case PROP_URI: case PROP_LOCATION: { gchar *str = g_strdup( "" ); if ( mythtvsrc->uri_name == NULL ) { g_free (mythtvsrc->uri_name); mythtvsrc->uri_name = NULL; } else { str = g_strdup( mythtvsrc->uri_name ); } g_value_set_string ( value, str ); break; } #ifndef GST_DISABLE_GST_DEBUG case PROP_MYTHTV_DBG: g_value_set_boolean ( value, mythtvsrc->mythtv_msgs_dbg ); break; #endif case PROP_MYTHTV_VERSION: { g_value_set_int ( value, mythtvsrc->mythtv_version ); break; } case PROP_MYTHTV_LIVEID: { g_value_set_int ( value, mythtvsrc->live_tv_id ); break; } case PROP_MYTHTV_LIVE: g_value_set_boolean ( value, mythtvsrc->live_tv ); break; case PROP_MYTHTV_LIVE_CHAINID: { gchar *str = g_strdup( "" ); if ( mythtvsrc->live_chain_id == NULL ) { g_free (mythtvsrc->live_chain_id); mythtvsrc->live_chain_id = NULL; } else { str = g_strdup( mythtvsrc->live_chain_id ); } g_value_set_string ( value, str ); break; } default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (mythtvsrc); } /* entry point to initialize the plug-in * initialize the plug-in itself * register the element factories and pad templates * register the features */ static gboolean plugin_init (GstPlugin * plugin) { return gst_element_register (plugin, "mythtvsrc", GST_RANK_NONE, GST_TYPE_MYTHTV_SRC); } /* this is the structure that gst-register looks for * so keep the name plugin_desc, or you cannot get your plug-in registered */ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_VERSION_MINOR, "mythtv", "lib MythTV src", plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") /*** GSTURIHANDLER INTERFACE *************************************************/ static guint gst_mythtv_src_uri_get_type (void) { return GST_URI_SRC; } static gchar ** gst_mythtv_src_uri_get_protocols (void) { static gchar *protocols[] = { "myth", "myths", NULL }; return protocols; } static const gchar * gst_mythtv_src_uri_get_uri (GstURIHandler * handler) { GstMythtvSrc *src = GST_MYTHTV_SRC (handler); return src->uri_name; } static gboolean gst_mythtv_src_uri_set_uri (GstURIHandler * handler, const gchar * uri) { GstMythtvSrc *src = GST_MYTHTV_SRC (handler); gchar *protocol; protocol = gst_uri_get_protocol (uri); if ((strcmp (protocol, "myth") != 0) && (strcmp (protocol, "myths") != 0)) { g_free (protocol); return FALSE; } g_free (protocol); g_object_set (src, "location", uri, NULL); return TRUE; } static void gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data) { GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface; iface->get_type = gst_mythtv_src_uri_get_type; iface->get_protocols = gst_mythtv_src_uri_get_protocols; iface->get_uri = gst_mythtv_src_uri_get_uri; iface->set_uri = gst_mythtv_src_uri_set_uri; } void size_header_handler (void *userdata, const char *value) { GstMythtvSrc *src = GST_MYTHTV_SRC (userdata); //src->content_size = g_ascii_strtoull (value, NULL, 10); GST_DEBUG_OBJECT (src, "content size = %lld bytes", src->content_size); }