gst-plugins-mythtv/src/gstmythtvsrc.c
author rosfran
Wed Feb 07 20:38:39 2007 +0000 (2007-02-07)
branchtrunk
changeset 333 f9d778bb88a2
parent 312 8587b24643e8
child 359 c7d4b123ac31
permissions -rwxr-xr-x
[svn r335] Some fixes to the do_get_file_info.
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/* GStreamer MythTV Plug-in
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 * Copyright (C) <2006> Rosfran Borges <rosfran.borges@indt.org.br>
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/**
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 * When using the LiveTV content, put the location URI in the following
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 * format:
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 * 
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 * 	myth://mythtv:mythtv@xxx.xxx.xxx.xxx:6543/?mythconverg
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 * 
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 * Where the first field is the protocol (myth), the second and third are user 
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 * name (mythtv) and password (mythtv), then backend host name and port number, 
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 * and the last field is the database name (mythconverg).
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 */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstmythtvsrc.h"
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#include <gmyth/gmyth_file_transfer.h>
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#include <gmyth/gmyth_livetv.h>
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#include <gmyth/gmyth_socket.h>
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#include <gmyth/gmyth_tvchain.h>
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#include <string.h>
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#include <unistd.h>
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GST_DEBUG_CATEGORY_STATIC (mythtvsrc_debug);
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#define GST_CAT_DEFAULT mythtvsrc_debug
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#define GST_GMYTHTV_ID_NUM			            1
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#define GST_GMYTHTV_CHANNEL_DEFAULT_NUM		(-1)
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#define GMYTHTV_VERSION_DEFAULT			        30
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#define GMYTHTV_TRANSFER_MAX_WAITS		     100
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#define GMYTHTV_TRANSFER_MAX_RESENDS	       2
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#define GMYTHTV_TRANSFER_MAX_BUFFER		(128*1024)
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#define MAX_READ_SIZE              		(4*1024)
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#define GST_FLOW_ERROR_NO_DATA  			(-101)
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#define REQUEST_MAX_SIZE							(64*1024)
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#define INTERNAL_BUFFER_SIZE					(90*1024)
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static const GstElementDetails gst_mythtv_src_details =
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GST_ELEMENT_DETAILS ("MythTV client source",
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    "Source/Network",
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    "Control and receive data as a client over the network "
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    "via raw socket connections using the MythTV protocol",
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    "Rosfran Borges <rosfran.borges@indt.org.br>");
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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    GST_PAD_SRC,
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    GST_PAD_ALWAYS,
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    GST_STATIC_CAPS ("video/x-nuv"));
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enum
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{
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  PROP_0,
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  PROP_LOCATION,
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#ifndef GST_DISABLE_GST_DEBUG
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  PROP_GMYTHTV_DBG,
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#endif
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  PROP_GMYTHTV_VERSION,
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  PROP_GMYTHTV_LIVE,
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  PROP_GMYTHTV_LIVEID,
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  PROP_GMYTHTV_LIVE_CHAINID,
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  PROP_GMYTHTV_ENABLE_TIMING_POSITION,
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  PROP_GMYTHTV_CHANNEL_NUM
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};
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static void gst_mythtv_src_finalize (GObject * gobject);
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static GstFlowReturn gst_mythtv_src_create (GstPushSrc * psrc,
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    GstBuffer ** outbuf);
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static gboolean gst_mythtv_src_start (GstBaseSrc * bsrc);
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static gboolean gst_mythtv_src_stop (GstBaseSrc * bsrc);
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static gboolean gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size);
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static gboolean gst_mythtv_src_is_seekable (GstBaseSrc * push_src);
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static gboolean gst_mythtv_src_do_seek (GstBaseSrc * base,
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    GstSegment * segment);
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static gboolean gst_mythtv_src_next_program_chain (GstMythtvSrc * src);
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static GstStateChangeReturn
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gst_mythtv_src_change_state (GstElement * element, GstStateChange transition);
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static void gst_mythtv_src_set_property (GObject * object, guint prop_id,
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    const GValue * value, GParamSpec * pspec);
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static void gst_mythtv_src_get_property (GObject * object, guint prop_id,
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    GValue * value, GParamSpec * pspec);
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static void gst_mythtv_src_uri_handler_init (gpointer g_iface,
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    gpointer iface_data);
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static gboolean gst_mythtv_src_handle_query (GstPad * pad, GstQuery * query);
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static gboolean gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event);
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static gint do_read_request_response (GstMythtvSrc * src, guint size,
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    GByteArray * data_ptr);
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static void
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_urihandler_init (GType type)
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{
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  static const GInterfaceInfo urihandler_info = {
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    gst_mythtv_src_uri_handler_init,
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    NULL,
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    NULL
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  };
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  g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info);
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  GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, "MythTV src");
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}
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GST_BOILERPLATE_FULL (GstMythtvSrc, gst_mythtv_src, GstPushSrc,
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    GST_TYPE_PUSH_SRC, _urihandler_init)
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     static void gst_mythtv_src_base_init (gpointer g_class)
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{
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  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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  gst_element_class_add_pad_template (element_class,
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      gst_static_pad_template_get (&srctemplate));
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  gst_element_class_set_details (element_class, &gst_mythtv_src_details);
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  element_class->change_state = gst_mythtv_src_change_state;
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}
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static void
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gst_mythtv_src_class_init (GstMythtvSrcClass * klass)
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{
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  GObjectClass *gobject_class;
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  GstPushSrcClass *gstpushsrc_class;
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  GstBaseSrcClass *gstbasesrc_class;
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  gobject_class = (GObjectClass *) klass;
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  gstbasesrc_class = (GstBaseSrcClass *) klass;
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  gstpushsrc_class = (GstPushSrcClass *) klass;
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  gobject_class->set_property = gst_mythtv_src_set_property;
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  gobject_class->get_property = gst_mythtv_src_get_property;
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  gobject_class->finalize = gst_mythtv_src_finalize;
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  g_object_class_install_property
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      (gobject_class, PROP_LOCATION,
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      g_param_spec_string ("location", "Location",
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          "The location. In the form:"
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          "\n\t\t\tmyth://a.com/file.nuv"
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          "\n\t\t\tmyth://a.com:23223/file.nuv "
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          "\n\t\t\ta.com/file.nuv - default scheme 'myth'",
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          "", G_PARAM_READWRITE));
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_VERSION,
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      g_param_spec_int ("mythtv-version", "mythtv-version",
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          "Change MythTV version", 26, 30, 26, G_PARAM_READWRITE));
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_LIVEID,
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      g_param_spec_int ("mythtv-live-id", "mythtv-live-id",
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          "Change MythTV version",
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          0, 200, GST_GMYTHTV_ID_NUM, G_PARAM_READWRITE));
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_LIVE_CHAINID,
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      g_param_spec_string ("mythtv-live-chainid", "mythtv-live-chainid",
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          "Sets the MythTV chain ID (from TV Chain)", "", G_PARAM_READWRITE));
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_LIVE,
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      g_param_spec_boolean ("mythtv-live", "mythtv-live",
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          "Enable MythTV Live TV content streaming", FALSE, G_PARAM_READWRITE));
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_ENABLE_TIMING_POSITION,
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      g_param_spec_boolean ("mythtv-enable-timing-position",
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          "mythtv-enable-timing-position",
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          "Enable MythTV Live TV content size continuous updating", FALSE,
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          G_PARAM_READWRITE));
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_CHANNEL_NUM,
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      g_param_spec_string ("mythtv-channel", "mythtv-channel",
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          "Change MythTV channel number",
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          "", G_PARAM_READWRITE));
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#ifndef GST_DISABLE_GST_DEBUG
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  g_object_class_install_property
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      (gobject_class, PROP_GMYTHTV_DBG,
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      g_param_spec_boolean ("mythtv-debug", "mythtv-debug",
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          "Enable MythTV debug messages", FALSE, G_PARAM_READWRITE));
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#endif
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  gstbasesrc_class->start = gst_mythtv_src_start;
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  gstbasesrc_class->stop = gst_mythtv_src_stop;
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  gstbasesrc_class->get_size = gst_mythtv_src_get_size;
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  gstbasesrc_class->is_seekable = gst_mythtv_src_is_seekable;
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  gstbasesrc_class->do_seek = gst_mythtv_src_do_seek;
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  gstpushsrc_class->create = gst_mythtv_src_create;
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  GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0,
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      "MythTV Client Source");
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}
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static void
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gst_mythtv_src_init (GstMythtvSrc * this, GstMythtvSrcClass * g_class)
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{
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  this->file_transfer = NULL;
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  this->unique_setup = FALSE;
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  this->mythtv_version = GMYTHTV_VERSION_DEFAULT;
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  this->state = GST_MYTHTV_SRC_FILE_TRANSFER;
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  this->bytes_read = 0;
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  this->prev_content_size = 0;
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  this->content_size = 0;
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  this->read_offset = 0;
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  this->content_size_last = 0;
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  this->live_tv = FALSE;
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  this->enable_timing_position = FALSE;
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  this->update_prog_chain = FALSE;
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  this->user_agent = g_strdup ("mythtvsrc");
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  this->mythtv_caps = NULL;
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  this->update_prog_chain = FALSE;
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  this->channel_name = NULL;
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  this->eos = FALSE;
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  this->bytes_queue = NULL;
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  this->wait_to_transfer = 0;
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  gst_base_src_set_format (GST_BASE_SRC (this), GST_FORMAT_BYTES);
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  gst_pad_set_event_function (GST_BASE_SRC_PAD (GST_BASE_SRC (this)),
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      gst_mythtv_src_handle_event);
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  gst_pad_set_query_function (GST_BASE_SRC_PAD (GST_BASE_SRC (this)),
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      gst_mythtv_src_handle_query);
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}
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static void
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gst_mythtv_src_finalize (GObject * gobject)
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{
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  GstMythtvSrc *this = GST_MYTHTV_SRC (gobject);
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  if (this->mythtv_caps) {
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    gst_caps_unref (this->mythtv_caps);
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    this->mythtv_caps = NULL;
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  }
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  if (this->file_transfer) {
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    g_object_unref (this->file_transfer);
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    this->file_transfer = NULL;
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  }
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  if (this->spawn_livetv) {
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    g_object_unref (this->spawn_livetv);
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    this->spawn_livetv = NULL;
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  }
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  if (this->backend_info) {
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    g_object_unref (this->backend_info);
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    this->backend_info = NULL;
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  }
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  if (this->uri_name) {
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    g_free (this->uri_name);
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  }
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  if (this->user_agent) {
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    g_free (this->user_agent);
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  }
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  if (this->bytes_queue) {
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    g_byte_array_free (this->bytes_queue, TRUE);
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    this->bytes_queue = NULL;
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  }
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  G_OBJECT_CLASS (parent_class)->finalize (gobject);
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}
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static gint
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do_read_request_response (GstMythtvSrc * src, guint size, GByteArray * data_ptr)
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{
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  gint read = 0;
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  guint sizetoread = size;
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  gint max_iters = GMYTHTV_TRANSFER_MAX_RESENDS;
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  GST_LOG_OBJECT (src, "Starting: Reading %d bytes...", sizetoread);
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  /* Loop sending the Myth File Transfer request:
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   * Retry whilst authentication fails and we supply it. */
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  gint len = 0;
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  while (sizetoread == size && --max_iters > 0) {
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    len = gmyth_file_transfer_read (src->file_transfer,
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   337
        data_ptr, sizetoread, TRUE);
rosfran@289
   338
rosfran@289
   339
    if (len > 0) {
rosfran@81
   340
      read += len;
leo_sobral@2
   341
      sizetoread -= len;
rosfran@289
   342
    } else if (len < 0) {
rosfran@61
   343
rosfran@289
   344
      if (src->live_tv == FALSE) {
rosfran@289
   345
        read = -1;
rosfran@289
   346
        goto eos;
rosfran@289
   347
      } else {
rosfran@289
   348
        if (len == GMYTHTV_FILE_TRANSFER_READ_ERROR) {  /* -314 */
rosfran@289
   349
          GST_INFO_OBJECT (src, "[LiveTV] FileTransfer READ_ERROR!");
rosfran@289
   350
          goto done;
rosfran@289
   351
        } else if (len == GMYTHTV_FILE_TRANSFER_NEXT_PROG_CHAIN) {      /* -315 */
rosfran@289
   352
          GST_INFO_OBJECT (src,
rosfran@289
   353
              "[LiveTV] FileTransfer - Go to the next program chain!");
rosfran@289
   354
          continue;
rosfran@289
   355
        }
rosfran@289
   356
        goto done;
rosfran@90
   357
      }
rosfran@30
   358
rosfran@289
   359
    } else if (len == 0)
rosfran@289
   360
      goto done;
rosfran@61
   361
rosfran@289
   362
    if (read == sizetoread)
rosfran@90
   363
      goto done;
rosfran@100
   364
  }
rosfran@61
   365
rosfran@289
   366
  if ((read < 0 && !src->live_tv) || max_iters == 0)
rosfran@61
   367
    goto eos;
rosfran@61
   368
rosfran@30
   369
  goto done;
leo_sobral@2
   370
leo_sobral@2
   371
eos:
leo_sobral@2
   372
  src->eos = TRUE;
rosfran@61
   373
leo_sobral@2
   374
done:
leo_sobral@2
   375
  return read;
leo_sobral@2
   376
}
leo_sobral@2
   377
rosfran@30
   378
static GstFlowReturn
rosfran@289
   379
gst_mythtv_src_create (GstPushSrc * psrc, GstBuffer ** outbuf)
rosfran@81
   380
{
rosfran@81
   381
  GstMythtvSrc *src;
rosfran@81
   382
  GstFlowReturn ret = GST_FLOW_OK;
rosfran@81
   383
  gint read = -1;
rosfran@90
   384
rosfran@289
   385
  src = GST_MYTHTV_SRC (psrc);
rosfran@90
   386
rosfran@81
   387
  /* The caller should know the number of bytes and not read beyond EOS. */
rosfran@289
   388
  if (G_UNLIKELY (src->eos))
rosfran@81
   389
    goto eos;
rosfran@289
   390
  if (G_UNLIKELY (src->update_prog_chain))
rosfran@81
   391
    goto change_progchain;
rosfran@95
   392
rosfran@289
   393
  GST_DEBUG_OBJECT (src, "offset = %" G_GUINT64_FORMAT ", size = %d...",
rosfran@289
   394
      src->read_offset, MAX_READ_SIZE);
rosfran@95
   395
rosfran@289
   396
  GST_DEBUG_OBJECT (src, "Create: buffer_remain: %d, buffer_size = %d.",
rosfran@289
   397
      (gint) src->buffer_remain, src->bytes_queue->len);
rosfran@95
   398
rosfran@100
   399
  /* just get from the byte array, no network effort... */
rosfran@289
   400
  if ((src->buffer_remain = src->bytes_queue->len) < MAX_READ_SIZE) {
rosfran@289
   401
    GByteArray *buffer = NULL;
rosfran@289
   402
    guint buffer_size_inter = (INTERNAL_BUFFER_SIZE - src->buffer_remain);
rosfran@95
   403
rosfran@289
   404
    if (buffer_size_inter > REQUEST_MAX_SIZE)
rosfran@289
   405
      buffer_size_inter = REQUEST_MAX_SIZE;
rosfran@289
   406
rosfran@289
   407
    buffer = g_byte_array_new ();
rosfran@289
   408
rosfran@289
   409
    read = do_read_request_response (src, buffer_size_inter, buffer);
rosfran@142
   410
rosfran@142
   411
    if (G_UNLIKELY (read < 0)) {
rosfran@289
   412
      if (src->live_tv)
rosfran@289
   413
        goto change_progchain;
rosfran@142
   414
      else
rosfran@289
   415
        goto read_error;
rosfran@289
   416
    } else if (G_UNLIKELY (read == 0)) {
rosfran@289
   417
      if (!src->live_tv)
rosfran@303
   418
        goto done;
rosfran@289
   419
      else
rosfran@303
   420
        goto change_progchain;
rosfran@174
   421
    }
rosfran@142
   422
rosfran@289
   423
    if (G_UNLIKELY (src->update_prog_chain))
rosfran@142
   424
      goto change_progchain;
rosfran@289
   425
rosfran@289
   426
    src->bytes_queue =
rosfran@289
   427
        g_byte_array_append (src->bytes_queue, buffer->data, read);
rosfran@289
   428
    if (read > buffer_size_inter)
rosfran@289
   429
      GST_WARNING_OBJECT (src,
rosfran@289
   430
          "INCREASED buffer size! Backend sent more than we ask him... (%d)",
rosfran@289
   431
          abs (read - buffer_size_inter));
rosfran@142
   432
rosfran@142
   433
    src->buffer_remain += read;
rosfran@142
   434
rosfran@289
   435
    if (buffer != NULL) {
rosfran@289
   436
      g_byte_array_free (buffer, TRUE);
rosfran@289
   437
      buffer = NULL;
rosfran@142
   438
    }
rosfran@289
   439
rosfran@289
   440
    GST_DEBUG_OBJECT (src,
rosfran@289
   441
        "BYTES READ (actual) = %d, BYTES READ (cumulative) = %llu, "
rosfran@289
   442
        "OFFSET = %llu, CONTENT SIZE = %llu.", read,
rosfran@289
   443
        src->bytes_read, src->read_offset, src->content_size);
rosfran@289
   444
rosfran@81
   445
  }
rosfran@289
   446
rosfran@289
   447
  guint buffer_size =
rosfran@289
   448
      (src->buffer_remain < MAX_READ_SIZE) ? src->buffer_remain : MAX_READ_SIZE;
rosfran@289
   449
rosfran@289
   450
  *outbuf = gst_buffer_new ();
rosfran@289
   451
rosfran@289
   452
  /* gets the first buffer_size bytes from the byte array buffer variable */
rosfran@235
   453
  /* guint8 *buf = g_memdup( src->bytes_queue->data, buffer_size ); */
rosfran@95
   454
rosfran@289
   455
  GST_DEBUG_OBJECT (src, "read from network? %s!, buffer_remain = %d",
rosfran@289
   456
      (read ==
rosfran@289
   457
          -1) ? "NO, got from buffer" : "YES, go see the backend's log file",
rosfran@289
   458
      src->buffer_remain);
rosfran@95
   459
rosfran@100
   460
  GST_BUFFER_SIZE (*outbuf) = buffer_size;
rosfran@289
   461
  GST_BUFFER_MALLOCDATA (*outbuf) = g_malloc0 (GST_BUFFER_SIZE (*outbuf));
rosfran@289
   462
  GST_BUFFER_DATA (*outbuf) = GST_BUFFER_MALLOCDATA (*outbuf);
rosfran@289
   463
  g_memmove (GST_BUFFER_DATA ((*outbuf)), src->bytes_queue->data,
rosfran@289
   464
      GST_BUFFER_SIZE (*outbuf));
rosfran@95
   465
  GST_BUFFER_OFFSET (*outbuf) = src->read_offset;
rosfran@289
   466
  GST_BUFFER_OFFSET_END (*outbuf) =
rosfran@289
   467
      src->read_offset + GST_BUFFER_SIZE (*outbuf);
rosfran@95
   468
rosfran@95
   469
  src->buffer_remain -= GST_BUFFER_SIZE (*outbuf);
rosfran@95
   470
rosfran@95
   471
  src->read_offset += GST_BUFFER_SIZE (*outbuf);
rosfran@95
   472
  src->bytes_read += GST_BUFFER_SIZE (*outbuf);
rosfran@289
   473
  GST_DEBUG_OBJECT (src, "Buffer output with size: %d",
rosfran@289
   474
      GST_BUFFER_SIZE (*outbuf));
rosfran@289
   475
rosfran@100
   476
  /* flushs the newly buffer got from byte array */
rosfran@289
   477
  src->bytes_queue =
rosfran@289
   478
      g_byte_array_remove_range (src->bytes_queue, 0, buffer_size);
rosfran@95
   479
rosfran@289
   480
  GST_DEBUG_OBJECT (src, "Got buffer: BUFFER --->SIZE = %d, OFFSET = %llu, "
rosfran@289
   481
      "OFFSET_END = %llu.", GST_BUFFER_SIZE (*outbuf),
rosfran@289
   482
      GST_BUFFER_OFFSET (*outbuf), GST_BUFFER_OFFSET_END (*outbuf));
rosfran@95
   483
rosfran@289
   484
  GST_DEBUG_OBJECT (src, "CONTENT_SIZE = %llu, BYTES_READ = %llu.",
rosfran@289
   485
      src->content_size, src->bytes_read);
rosfran@289
   486
rosfran@289
   487
  if (G_UNLIKELY (src->eos) || (!src->live_tv
rosfran@289
   488
          && (src->bytes_read >= src->content_size)))
rosfran@289
   489
    goto eos;
rosfran@90
   490
rosfran@81
   491
done:
rosfran@90
   492
  {
rosfran@81
   493
    const gchar *reason = gst_flow_get_name (ret);
rosfran@81
   494
rosfran@81
   495
    GST_DEBUG_OBJECT (src, "DONE task, reason %s", reason);
rosfran@90
   496
    return ret;
rosfran@90
   497
  }
rosfran@81
   498
eos:
rosfran@81
   499
  {
rosfran@81
   500
    const gchar *reason = gst_flow_get_name (ret);
rosfran@81
   501
rosfran@81
   502
    GST_DEBUG_OBJECT (src, "pausing task, reason %s", reason);
rosfran@81
   503
    return GST_FLOW_UNEXPECTED;
rosfran@81
   504
  }
rosfran@81
   505
  /* ERRORS */
rosfran@81
   506
read_error:
rosfran@81
   507
  {
rosfran@81
   508
    GST_ELEMENT_ERROR (src, RESOURCE, READ,
rosfran@289
   509
        (NULL), ("Could not read any bytes (%i, %s)", read, src->uri_name));
rosfran@81
   510
    return GST_FLOW_ERROR;
rosfran@81
   511
  }
rosfran@81
   512
change_progchain:
rosfran@81
   513
  {
rosfran@81
   514
    GST_ELEMENT_ERROR (src, RESOURCE, READ,
rosfran@289
   515
        (NULL), ("Seek failed, go to the next program info... (%i, %s)", read,
rosfran@289
   516
            src->uri_name));
rosfran@90
   517
rosfran@289
   518
    gst_pad_push_event (GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)),
rosfran@289
   519
        gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
rosfran@303
   520
rosfran@235
   521
    /* go to the next program chain */
rosfran@90
   522
    src->unique_setup = FALSE;
rosfran@90
   523
    src->update_prog_chain = TRUE;
rosfran@90
   524
rosfran@289
   525
    gst_mythtv_src_next_program_chain (src);
rosfran@90
   526
rosfran@70
   527
    return GST_FLOW_ERROR_NO_DATA;
rosfran@37
   528
  }
rosfran@30
   529
leo_sobral@2
   530
}
rosfran@98
   531
rosfran@52
   532
gint64
rosfran@289
   533
gst_mythtv_src_get_position (GstMythtvSrc * src)
leo_sobral@2
   534
{
rosfran@30
   535
rosfran@52
   536
  gint64 size_tmp = 0;
rosfran@71
   537
  guint max_tries = 2;
rosfran@71
   538
rosfran@289
   539
  if (src->live_tv == TRUE && (abs (src->content_size - src->bytes_read) <
rosfran@289
   540
          GMYTHTV_TRANSFER_MAX_BUFFER)) {
rosfran@289
   541
rosfran@289
   542
  get_file_pos:
rosfran@289
   543
    g_usleep (10);
rosfran@289
   544
    size_tmp = gmyth_recorder_get_file_position (src->spawn_livetv->recorder);
rosfran@289
   545
    if (size_tmp > (src->content_size + GMYTHTV_TRANSFER_MAX_BUFFER))
rosfran@61
   546
      src->content_size = size_tmp;
rosfran@289
   547
    else if (size_tmp > 0 && --max_tries > 0)
rosfran@61
   548
      goto get_file_pos;
rosfran@289
   549
    GST_LOG_OBJECT (src, "GET_POSITION: file_position = %lld", size_tmp);
rosfran@71
   550
    /* sets the last content size amount before it can be updated */
rosfran@71
   551
    src->prev_content_size = src->content_size;
rosfran@30
   552
  }
rosfran@52
   553
rosfran@289
   554
  return src->content_size;
rosfran@30
   555
leo_sobral@2
   556
}
leo_sobral@2
   557
rosfran@87
   558
static gboolean
rosfran@289
   559
gst_mythtv_src_do_seek (GstBaseSrc * base, GstSegment * segment)
rosfran@87
   560
{
rosfran@289
   561
  GstMythtvSrc *src = GST_MYTHTV_SRC (base);
rosfran@90
   562
  gint64 new_offset = -1;
rosfran@90
   563
  gint64 actual_seek = segment->start;
rosfran@87
   564
  gboolean ret = TRUE;
rosfran@87
   565
rosfran@289
   566
  GST_LOG_OBJECT (src, "seek, segment: %" GST_SEGMENT_FORMAT, segment);
rosfran@90
   567
rosfran@289
   568
  if (segment->format == GST_FORMAT_TIME) {
rosfran@289
   569
    goto done;
rosfran@90
   570
  }
rosfran@289
   571
  GST_LOG_OBJECT (src,
rosfran@289
   572
      "Trying to seek at the value (actual_seek = %lld, read_offset = %lld)",
rosfran@289
   573
      actual_seek, src->read_offset);
rosfran@87
   574
  /* verify if it needs to seek */
rosfran@289
   575
  if (src->read_offset != actual_seek) {
rosfran@87
   576
rosfran@289
   577
    new_offset =
rosfran@289
   578
        gmyth_file_transfer_seek (src->file_transfer, segment->start, SEEK_SET);
rosfran@87
   579
rosfran@289
   580
    GST_LOG_OBJECT (src,
rosfran@289
   581
        "Segment offset start = %lld, SRC Offset = %lld, NEW actual backend SEEK Offset = %lld.",
rosfran@289
   582
        segment->start, src->read_offset, new_offset);
rosfran@289
   583
    if (G_UNLIKELY (new_offset < 0)) {
rosfran@87
   584
      ret = FALSE;
rosfran@289
   585
      if (src->live_tv)
rosfran@289
   586
        goto change_progchain;
rosfran@87
   587
      else
rosfran@289
   588
        goto eos;
rosfran@87
   589
    }
rosfran@87
   590
rosfran@87
   591
    src->read_offset = new_offset;
rosfran@87
   592
rosfran@289
   593
    if (ret == FALSE) {
rosfran@289
   594
      GST_INFO_OBJECT (src, "Failed to set the SEEK on segment!");
rosfran@90
   595
    }
rosfran@90
   596
rosfran@87
   597
  }
rosfran@90
   598
rosfran@90
   599
done:
rosfran@289
   600
  return ret;
rosfran@87
   601
rosfran@87
   602
eos:
rosfran@87
   603
  {
rosfran@87
   604
rosfran@87
   605
    GST_DEBUG_OBJECT (src, "EOS found on seeking!!!");
rosfran@87
   606
    return FALSE;
rosfran@87
   607
  }
rosfran@87
   608
change_progchain:
rosfran@87
   609
  {
rosfran@87
   610
    GST_ELEMENT_ERROR (src, RESOURCE, READ,
rosfran@289
   611
        (NULL), ("Seek failed, go to the next program info... (%i, %s)", read,
rosfran@289
   612
            src->uri_name));
rosfran@87
   613
rosfran@289
   614
    gst_pad_push_event (GST_BASE_SRC_PAD (base),
rosfran@289
   615
        gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
rosfran@87
   616
    /* go to the next program chain */
rosfran@87
   617
    src->unique_setup = FALSE;
rosfran@87
   618
    src->update_prog_chain = TRUE;
rosfran@87
   619
rosfran@289
   620
    gst_mythtv_src_next_program_chain (src);
rosfran@87
   621
rosfran@87
   622
    return TRUE;
rosfran@87
   623
  }
rosfran@87
   624
rosfran@87
   625
}
rosfran@87
   626
leo_sobral@2
   627
/* create a socket for connecting to remote server */
rosfran@30
   628
static gboolean
rosfran@289
   629
gst_mythtv_src_start (GstBaseSrc * bsrc)
leo_sobral@2
   630
{
leo_sobral@2
   631
  GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc);
leo_sobral@2
   632
rosfran@293
   633
  GString *chain_id_local = NULL;  
rosfran@293
   634
  GMythURI *gmyth_uri = NULL;
leo_sobral@2
   635
  gboolean ret = TRUE;
rosfran@90
   636
rosfran@289
   637
  if (G_UNLIKELY (src->update_prog_chain))
rosfran@71
   638
    goto change_progchain;
rosfran@30
   639
leo_sobral@2
   640
  if (src->unique_setup == FALSE) {
leo_sobral@2
   641
    src->unique_setup = TRUE;
leo_sobral@2
   642
  } else {
leo_sobral@2
   643
    goto done;
leo_sobral@2
   644
  }
rosfran@174
   645
  
rosfran@293
   646
  gmyth_uri = gmyth_uri_new_with_value( src->uri_name );
rosfran@289
   647
rosfran@289
   648
  src->backend_info = gmyth_backend_info_new_with_uri (src->uri_name);
rosfran@304
   649
  src->live_tv |= gmyth_uri_is_livetv( gmyth_uri );
rosfran@289
   650
  /* testing UPnP... */
rosfran@289
   651
  /* gmyth_backend_info_set_hostname( src->backend_info, NULL ); */
rosfran@304
   652
  if ( src->live_tv ) {
rosfran@289
   653
    src->spawn_livetv = gmyth_livetv_new ();
rosfran@236
   654
    
rosfran@308
   655
    gchar* ch = gmyth_uri_get_channel_name( gmyth_uri );
rosfran@308
   656
    if ( ch != NULL )
rosfran@308
   657
    	src->channel_name = ch;
rosfran@289
   658
    	
rosfran@308
   659
    if (src->channel_name != NULL) {
rosfran@308
   660
      if (gmyth_livetv_channel_name_setup (src->spawn_livetv, src->channel_name,
rosfran@289
   661
              src->backend_info) == FALSE) {
rosfran@289
   662
        GST_INFO_OBJECT (src, "LiveTV setup felt down on error");
rosfran@289
   663
        ret = FALSE;
rosfran@289
   664
        goto init_failed;
rosfran@289
   665
      }
rosfran@236
   666
    } else {
rosfran@289
   667
      if (gmyth_livetv_setup (src->spawn_livetv, src->backend_info) == FALSE) {
rosfran@289
   668
        GST_INFO_OBJECT (src, "LiveTV setup felt down on error");
rosfran@289
   669
        ret = FALSE;
rosfran@289
   670
        goto init_failed;
rosfran@289
   671
      }
rosfran@236
   672
    }
rosfran@311
   673
    
rosfran@311
   674
    /* testing change channel... */
rosfran@311
   675
    /* gmyth_recorder_change_channel( src->spawn_livetv->recorder, CHANNEL_DIRECTION_UP ); */
rosfran@52
   676
rosfran@289
   677
    src->file_transfer = gmyth_livetv_create_file_transfer (src->spawn_livetv);
rosfran@289
   678
rosfran@289
   679
    if (NULL == src->file_transfer) {
rosfran@289
   680
      GST_INFO_OBJECT (src, "[LiveTV] FileTransfer equals to NULL");
rosfran@289
   681
      ret = FALSE;
rosfran@289
   682
      goto init_failed;
leo_sobral@2
   683
    }
rosfran@325
   684
    
rosfran@325
   685
		if ( !gmyth_file_transfer_open( src->file_transfer, src->spawn_livetv->uri != NULL ? 
rosfran@325
   686
							gmyth_uri_get_path(src->spawn_livetv->uri) : 
rosfran@325
   687
							src->spawn_livetv->proginfo->pathname->str ) )
rosfran@325
   688
		{
rosfran@325
   689
			GST_INFO_OBJECT (src, "Error: couldn't open the FileTransfer from LiveTV source!" );
rosfran@325
   690
			g_object_unref( src->file_transfer );
rosfran@325
   691
			src->file_transfer = NULL;
rosfran@325
   692
			goto init_failed;
rosfran@325
   693
		}
rosfran@217
   694
  } else {
rosfran@217
   695
rosfran@289
   696
    src->file_transfer = gmyth_file_transfer_new (src->backend_info);
leo_sobral@2
   697
rosfran@289
   698
    ret = gmyth_file_transfer_open (src->file_transfer, src->uri_name);
rosfran@110
   699
leo_sobral@2
   700
  }
leo_sobral@2
   701
rosfran@289
   702
  if (NULL == src->file_transfer) {
rosfran@289
   703
    GST_INFO_OBJECT (src, "FileTransfer is NULL");
rosfran@289
   704
    goto init_failed;
rosfran@289
   705
  }
rosfran@289
   706
  /*GST_INFO_OBJECT( src, "uri = %s", src->spawn_livetv->file_transfer); */
rosfran@289
   707
rosfran@289
   708
  if (ret == FALSE) {
rosfran@289
   709
#ifndef GST_DISABLE_GST_DEBUG
rosfran@289
   710
    if (src->mythtv_msgs_dbg)
rosfran@289
   711
      GST_INFO_OBJECT (src,
rosfran@289
   712
          "MythTV FileTransfer request failed when setting up socket connection!");
leo_sobral@2
   713
#endif
leo_sobral@2
   714
    goto begin_req_failed;
leo_sobral@2
   715
  }
rosfran@289
   716
rosfran@289
   717
  GST_INFO_OBJECT (src,
rosfran@289
   718
      "MythTV FileTransfer filesize = %lld, content_size = %lld!",
rosfran@289
   719
      src->file_transfer->filesize, src->content_size);
leo_sobral@2
   720
leo_sobral@2
   721
  src->content_size = src->file_transfer->filesize;
leo_sobral@2
   722
rosfran@71
   723
  src->do_start = FALSE;
rosfran@289
   724
rosfran@114
   725
  /* this is used for the buffer cache */
rosfran@289
   726
  src->bytes_queue = g_byte_array_sized_new (INTERNAL_BUFFER_SIZE);
rosfran@90
   727
  src->buffer_remain = 0;
rosfran@114
   728
  
rosfran@289
   729
  gst_pad_push_event (GST_BASE_SRC_PAD (GST_BASE_SRC (src)),
rosfran@289
   730
      gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0,
rosfran@289
   731
          src->content_size, 0));
rosfran@90
   732
rosfran@30
   733
done:
rosfran@293
   734
	/*if ( gmyth_uri != NULL )
rosfran@289
   735
	{
rosfran@289
   736
  	g_object_unref( gmyth_uri );
rosfran@289
   737
  	gmyth_uri = NULL;
rosfran@293
   738
	}*/
rosfran@210
   739
rosfran@289
   740
  if (chain_id_local != NULL) {
rosfran@289
   741
    g_string_free (chain_id_local, TRUE);
rosfran@289
   742
    chain_id_local = NULL;
rosfran@289
   743
  }
rosfran@289
   744
rosfran@30
   745
  return TRUE;
rosfran@30
   746
rosfran@30
   747
  /* ERRORS */
rosfran@30
   748
init_failed:
rosfran@30
   749
  {
rosfran@289
   750
    if (src->spawn_livetv != NULL)
rosfran@289
   751
      g_object_unref (src->spawn_livetv);
rosfran@30
   752
rosfran@30
   753
    GST_ELEMENT_ERROR (src, LIBRARY, INIT,
rosfran@289
   754
        (NULL), ("Could not initialize MythTV library (%i, %s)", ret,
rosfran@289
   755
            src->uri_name));
rosfran@30
   756
    return FALSE;
rosfran@30
   757
  }
rosfran@30
   758
begin_req_failed:
rosfran@30
   759
  {
rosfran@30
   760
    GST_ELEMENT_ERROR (src, LIBRARY, INIT,
rosfran@289
   761
        (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret,
rosfran@289
   762
            src->uri_name));
rosfran@30
   763
    return FALSE;
rosfran@30
   764
  }
rosfran@71
   765
change_progchain:
rosfran@71
   766
  {
rosfran@71
   767
    GST_ELEMENT_ERROR (src, RESOURCE, READ,
rosfran@289
   768
        (NULL), ("Seek failed, go to the next program info... (%s)",
rosfran@289
   769
            src->uri_name));
rosfran@90
   770
rosfran@289
   771
    gst_pad_push_event (GST_BASE_SRC_PAD (GST_BASE_SRC (src)),
rosfran@289
   772
        gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
rosfran@90
   773
rosfran@289
   774
    /* go to the next program chain */
rosfran@90
   775
    src->unique_setup = FALSE;
rosfran@90
   776
    src->update_prog_chain = TRUE;
rosfran@90
   777
rosfran@289
   778
    gst_mythtv_src_next_program_chain (src);
rosfran@90
   779
rosfran@71
   780
    return TRUE;
rosfran@71
   781
  }
rosfran@30
   782
}
leo_sobral@2
   783
rosfran@52
   784
/* create a new socket for connecting to the next program chain */
rosfran@52
   785
static gboolean
rosfran@289
   786
gst_mythtv_src_next_program_chain (GstMythtvSrc * src)
rosfran@52
   787
{
rosfran@52
   788
  gboolean ret = TRUE;
rosfran@61
   789
rosfran@289
   790
  if (!src->live_tv)
rosfran@61
   791
    goto init_failed;
rosfran@289
   792
rosfran@70
   793
  if (src->unique_setup == FALSE) {
rosfran@70
   794
    src->unique_setup = TRUE;
rosfran@70
   795
  } else {
rosfran@70
   796
    goto done;
rosfran@70
   797
  }
rosfran@289
   798
rosfran@289
   799
  GST_PAD_STREAM_LOCK (GST_BASE_SRC_PAD (GST_BASE_SRC (src)));
rosfran@61
   800
rosfran@52
   801
  if (src->file_transfer) {
rosfran@52
   802
    g_object_unref (src->file_transfer);
rosfran@52
   803
    src->file_transfer = NULL;
rosfran@52
   804
  }
rosfran@61
   805
rosfran@52
   806
  if (src->uri_name) {
rosfran@52
   807
    g_free (src->uri_name);
rosfran@52
   808
  }
rosfran@61
   809
rosfran@289
   810
  if (src->backend_info == NULL)
rosfran@289
   811
    src->backend_info = gmyth_backend_info_new_with_uri (src->uri_name);
rosfran@289
   812
rosfran@289
   813
  if (src->live_tv) {
rosfran@289
   814
    if (gmyth_livetv_next_program_chain (src->spawn_livetv) == FALSE) {
rosfran@289
   815
      GST_INFO_OBJECT (src, "Failed to go to the next program chain!");
rosfran@61
   816
      ret = FALSE;
rosfran@61
   817
      goto init_failed;
rosfran@52
   818
    }
rosfran@52
   819
    /* set up the uri variable */
rosfran@289
   820
    src->uri_name = g_strdup (src->spawn_livetv->proginfo->pathname->str);
rosfran@303
   821
    
rosfran@303
   822
    src->file_transfer = gmyth_livetv_create_file_transfer (src->spawn_livetv);
rosfran@303
   823
  } else {
rosfran@303
   824
	
rosfran@303
   825
	  src->file_transfer = gmyth_file_transfer_new (src->backend_info);
rosfran@303
   826
	
rosfran@303
   827
	  if (src->file_transfer == NULL) {
rosfran@303
   828
	    goto init_failed;
rosfran@303
   829
	  }
rosfran@303
   830
	
rosfran@303
   831
	  ret = gmyth_file_transfer_open (src->file_transfer, src->uri_name);	  
rosfran@52
   832
  }
rosfran@52
   833
rosfran@289
   834
  if (ret == FALSE) {
rosfran@289
   835
#ifndef GST_DISABLE_GST_DEBUG
rosfran@289
   836
    if (src->mythtv_msgs_dbg)
rosfran@289
   837
      GST_ERROR_OBJECT (src,
rosfran@289
   838
          "MythTV FileTransfer request failed when setting up socket connection!");
rosfran@52
   839
#endif
rosfran@52
   840
    goto begin_req_failed;
rosfran@52
   841
  }
rosfran@61
   842
  src->content_size_last = src->content_size;
rosfran@61
   843
rosfran@61
   844
  src->content_size = src->file_transfer->filesize;
rosfran@289
   845
  if (src->live_tv) {
rosfran@303
   846
  	/*
rosfran@289
   847
    src->wait_to_transfer = 0;
rosfran@289
   848
    while (src->wait_to_transfer++ < GMYTHTV_TRANSFER_MAX_WAITS &&
rosfran@289
   849
        src->content_size < GMYTHTV_TRANSFER_MAX_BUFFER)
rosfran@289
   850
      src->content_size = gst_mythtv_src_get_position (src);
rosfran@303
   851
    */
rosfran@87
   852
  }
rosfran@63
   853
rosfran@289
   854
  src->read_offset = 0;
rosfran@289
   855
rosfran@289
   856
  if (src->bytes_queue != NULL) {
rosfran@289
   857
    g_byte_array_free (src->bytes_queue, TRUE);
rosfran@100
   858
  }
rosfran@289
   859
rosfran@289
   860
  src->bytes_queue = g_byte_array_sized_new (INTERNAL_BUFFER_SIZE);
rosfran@289
   861
rosfran@70
   862
done:
rosfran@289
   863
  src->update_prog_chain = FALSE;
rosfran@289
   864
rosfran@289
   865
  GST_PAD_STREAM_UNLOCK (GST_BASE_SRC_PAD (GST_BASE_SRC (src)));
rosfran@289
   866
rosfran@52
   867
  return TRUE;
rosfran@52
   868
rosfran@52
   869
  /* ERRORS */
rosfran@52
   870
init_failed:
rosfran@52
   871
  {
rosfran@289
   872
    if (src->spawn_livetv != NULL)
rosfran@289
   873
      g_object_unref (src->spawn_livetv);
rosfran@52
   874
rosfran@52
   875
    GST_ELEMENT_ERROR (src, LIBRARY, INIT,
rosfran@289
   876
        (NULL), ("Could not initialize MythTV library (%i, %s)", ret,
rosfran@289
   877
            src->uri_name));
rosfran@52
   878
    return FALSE;
rosfran@52
   879
  }
rosfran@52
   880
begin_req_failed:
rosfran@52
   881
  {
rosfran@52
   882
    GST_ELEMENT_ERROR (src, LIBRARY, INIT,
rosfran@289
   883
        (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret,
rosfran@289
   884
            src->uri_name));
rosfran@52
   885
    return FALSE;
rosfran@52
   886
  }
rosfran@61
   887
rosfran@52
   888
}
rosfran@52
   889
rosfran@30
   890
static gboolean
leo_sobral@2
   891
gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size)
leo_sobral@2
   892
{
rosfran@31
   893
  GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc);
rosfran@30
   894
  gboolean ret = TRUE;
rosfran@289
   895
rosfran@289
   896
  GST_LOG_OBJECT (src, "Differs from previous content size: %d (max.: %d)",
rosfran@289
   897
      abs (src->content_size - src->prev_content_size),
rosfran@289
   898
      GMYTHTV_TRANSFER_MAX_BUFFER);
rosfran@289
   899
rosfran@289
   900
  if (src->live_tv) {
rosfran@289
   901
    ret = FALSE;
rosfran@289
   902
  } else if (src->live_tv && src->enable_timing_position
rosfran@289
   903
      && (abs (src->content_size - src->bytes_read) <
rosfran@289
   904
          GMYTHTV_TRANSFER_MAX_BUFFER)) {
rosfran@289
   905
rosfran@289
   906
    gint64 new_offset =
rosfran@289
   907
        gmyth_recorder_get_file_position (src->spawn_livetv->recorder);
rosfran@289
   908
    if (new_offset > 0 && new_offset > src->content_size) {
rosfran@289
   909
      src->content_size = new_offset;
rosfran@289
   910
    } else if (new_offset < src->content_size) {
rosfran@289
   911
      src->update_prog_chain = TRUE;
rosfran@289
   912
    }
rosfran@61
   913
leo_sobral@2
   914
  }
leo_sobral@2
   915
leo_sobral@2
   916
  *size = src->content_size;
rosfran@289
   917
  GST_LOG_OBJECT (src, "Content size = %lld", src->content_size);
rosfran@289
   918
rosfran@30
   919
  return ret;
rosfran@30
   920
leo_sobral@2
   921
}
leo_sobral@2
   922
leo_sobral@2
   923
/* close the socket and associated resources
leo_sobral@2
   924
 * used both to recover from errors and go to NULL state */
rosfran@52
   925
static gboolean
leo_sobral@2
   926
gst_mythtv_src_stop (GstBaseSrc * bsrc)
leo_sobral@2
   927
{
leo_sobral@2
   928
  GstMythtvSrc *src;
leo_sobral@2
   929
leo_sobral@2
   930
  src = GST_MYTHTV_SRC (bsrc);
leo_sobral@2
   931
leo_sobral@2
   932
  if (src->uri_name) {
leo_sobral@2
   933
    g_free (src->uri_name);
leo_sobral@2
   934
    src->uri_name = NULL;
leo_sobral@2
   935
  }
leo_sobral@2
   936
leo_sobral@2
   937
  if (src->mythtv_caps) {
leo_sobral@2
   938
    gst_caps_unref (src->mythtv_caps);
leo_sobral@2
   939
    src->mythtv_caps = NULL;
leo_sobral@2
   940
  }
leo_sobral@2
   941
leo_sobral@2
   942
  src->eos = FALSE;
leo_sobral@2
   943
leo_sobral@2
   944
  return TRUE;
leo_sobral@2
   945
}
leo_sobral@2
   946
rosfran@30
   947
static gboolean
leo_sobral@2
   948
gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event)
leo_sobral@2
   949
{
leo_sobral@2
   950
  GstMythtvSrc *src = GST_MYTHTV_SRC (GST_PAD_PARENT (pad));
rosfran@52
   951
  gint64 cont_size = 0;
rosfran@90
   952
  gboolean ret = FALSE;
leo_sobral@2
   953
leo_sobral@2
   954
  switch (GST_EVENT_TYPE (event)) {
rosfran@30
   955
    case GST_EVENT_EOS:
rosfran@289
   956
      GST_WARNING_OBJECT (src, "Got EOS event");
rosfran@61
   957
rosfran@289
   958
      if (src->live_tv) {
rosfran@289
   959
        cont_size = gst_mythtv_src_get_position (src);
rosfran@289
   960
        if (cont_size > src->content_size) {
rosfran@289
   961
          src->content_size = cont_size;
rosfran@289
   962
          src->eos = FALSE;
rosfran@289
   963
        } else {
rosfran@289
   964
          src->eos = TRUE;
rosfran@289
   965
          gst_element_set_state (GST_ELEMENT (src), GST_STATE_NULL);
rosfran@289
   966
          gst_element_set_locked_state (GST_ELEMENT (src), FALSE);
rosfran@289
   967
        }
rosfran@114
   968
      }
rosfran@30
   969
      break;
leo_sobral@2
   970
    default:
rosfran@90
   971
      ret = gst_pad_event_default (pad, event);
leo_sobral@2
   972
  }
leo_sobral@2
   973
rosfran@90
   974
  return ret;
leo_sobral@2
   975
}
leo_sobral@2
   976
rosfran@30
   977
static gboolean
rosfran@289
   978
gst_mythtv_src_is_seekable (GstBaseSrc * push_src)
leo_sobral@2
   979
{
rosfran@100
   980
  return TRUE;
leo_sobral@2
   981
}
rosfran@87
   982
rosfran@87
   983
static gboolean
rosfran@87
   984
gst_mythtv_src_handle_query (GstPad * pad, GstQuery * query)
rosfran@87
   985
{
rosfran@87
   986
  gboolean res = FALSE;
rosfran@87
   987
  GstMythtvSrc *myth = GST_MYTHTV_SRC (gst_pad_get_parent (pad));
rosfran@114
   988
  GstFormat formt;
rosfran@87
   989
rosfran@87
   990
  switch (GST_QUERY_TYPE (query)) {
rosfran@87
   991
    case GST_QUERY_POSITION:
rosfran@114
   992
    {
rosfran@289
   993
      gst_query_parse_position (query, &formt, NULL);
rosfran@289
   994
      if (formt == GST_FORMAT_BYTES) {
rosfran@289
   995
        gst_query_set_position (query, formt, myth->read_offset);
rosfran@289
   996
        GST_DEBUG_OBJECT (myth, "POS %" G_GINT64_FORMAT, myth->read_offset);
rosfran@289
   997
        res = TRUE;
rosfran@289
   998
      } else if (formt == GST_FORMAT_TIME) {
rosfran@289
   999
        res = gst_pad_query_default (pad, query);
rosfran@124
  1000
      }
rosfran@87
  1001
      break;
rosfran@114
  1002
    }
rosfran@87
  1003
    case GST_QUERY_DURATION:
rosfran@114
  1004
    {
rosfran@87
  1005
#if 0
rosfran@87
  1006
      if (myth->duration != 0) {
rosfran@289
  1007
        gint64 total;
rosfran@289
  1008
        gint64 fps;
rosfran@87
  1009
rosfran@289
  1010
        fps = nuv->h->i_fpsn / nuv->h->i_fpsd;
rosfran@289
  1011
        total =
rosfran@289
  1012
            gst_util_uint64_scale_int (GST_SECOND, nuv->h->i_video_blocks, fps);
rosfran@114
  1013
      }
rosfran@81
  1014
#endif
rosfran@289
  1015
rosfran@289
  1016
      gst_query_parse_duration (query, &formt, NULL);
rosfran@289
  1017
      if (formt == GST_FORMAT_BYTES) {
rosfran@289
  1018
        gst_query_set_duration (query, formt, myth->content_size);
rosfran@289
  1019
        GST_DEBUG_OBJECT (myth, "SIZE %" G_GINT64_FORMAT, myth->content_size);
rosfran@289
  1020
        res = TRUE;
rosfran@289
  1021
      } else if (formt == GST_FORMAT_TIME) {
rosfran@289
  1022
        res = gst_pad_query_default (pad, query);
rosfran@289
  1023
      }
rosfran@70
  1024
      break;
rosfran@114
  1025
    }
rosfran@70
  1026
    default:
rosfran@114
  1027
    {
rosfran@289
  1028
      res = gst_pad_query_default (pad, query);
rosfran@87
  1029
      break;
rosfran@114
  1030
    }
rosfran@70
  1031
  }
rosfran@61
  1032
rosfran@87
  1033
  gst_object_unref (myth);
rosfran@61
  1034
rosfran@70
  1035
  return res;
rosfran@61
  1036
}
rosfran@61
  1037
rosfran@52
  1038
static GstStateChangeReturn
rosfran@52
  1039
gst_mythtv_src_change_state (GstElement * element, GstStateChange transition)
rosfran@52
  1040
{
rosfran@289
  1041
  GstStateChangeReturn ret = GST_STATE_CHANGE_FAILURE;
rosfran@52
  1042
  GstMythtvSrc *src = GST_MYTHTV_SRC (element);
rosfran@52
  1043
rosfran@52
  1044
  switch (transition) {
rosfran@52
  1045
    case GST_STATE_CHANGE_NULL_TO_READY:
rosfran@52
  1046
      break;
rosfran@52
  1047
    case GST_STATE_CHANGE_READY_TO_PAUSED:
rosfran@52
  1048
    case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
rosfran@289
  1049
      if (src->live_tv) {
rosfran@289
  1050
        if (!gmyth_recorder_send_frontend_ready_command (src->spawn_livetv->
rosfran@289
  1051
                recorder))
rosfran@289
  1052
          GST_WARNING_OBJECT (src,
rosfran@289
  1053
              "Couldn't send the FRONTEND_READY message to the backend!");
rosfran@289
  1054
        else
rosfran@289
  1055
          GST_DEBUG_OBJECT (src, "FRONTEND_READY was sent to the backend");
rosfran@124
  1056
      }
rosfran@52
  1057
      break;
rosfran@52
  1058
    default:
rosfran@52
  1059
      break;
rosfran@52
  1060
  }
rosfran@61
  1061
rosfran@61
  1062
  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
rosfran@52
  1063
  if (ret == GST_STATE_CHANGE_FAILURE)
rosfran@52
  1064
    return ret;
rosfran@52
  1065
rosfran@52
  1066
  switch (transition) {
rosfran@52
  1067
    case GST_STATE_CHANGE_READY_TO_NULL:
rosfran@52
  1068
      break;
rosfran@61
  1069
    case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
rosfran@52
  1070
    case GST_STATE_CHANGE_PAUSED_TO_READY:
rosfran@61
  1071
      break;
rosfran@52
  1072
    default:
rosfran@52
  1073
      break;
rosfran@52
  1074
  }
rosfran@52
  1075
rosfran@52
  1076
  return ret;
rosfran@52
  1077
}
rosfran@52
  1078
rosfran@30
  1079
static void
leo_sobral@2
  1080
gst_mythtv_src_set_property (GObject * object, guint prop_id,
leo_sobral@2
  1081
    const GValue * value, GParamSpec * pspec)
leo_sobral@2
  1082
{
leo_sobral@2
  1083
  GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object);
leo_sobral@2
  1084
leo_sobral@2
  1085
  GST_OBJECT_LOCK (mythtvsrc);
leo_sobral@2
  1086
  switch (prop_id) {
leo_sobral@2
  1087
    case PROP_LOCATION:
rosfran@289
  1088
    {
rosfran@289
  1089
      if (!g_value_get_string (value)) {
rosfran@289
  1090
        GST_WARNING ("location property cannot be NULL");
leo_sobral@2
  1091
	break;
leo_sobral@2
  1092
      }
rosfran@289
  1093
rosfran@289
  1094
      if (mythtvsrc->uri_name != NULL) {
rosfran@289
  1095
        g_free (mythtvsrc->uri_name);
rosfran@289
  1096
        mythtvsrc->uri_name = NULL;
rosfran@289
  1097
      }
rosfran@289
  1098
      mythtvsrc->uri_name = g_value_dup_string (value);
rosfran@289
  1099
rosfran@289
  1100
      break;
rosfran@289
  1101
    }
leo_sobral@2
  1102
#ifndef GST_DISABLE_GST_DEBUG
rosfran@40
  1103
    case PROP_GMYTHTV_DBG:
rosfran@289
  1104
    {
rosfran@289
  1105
      mythtvsrc->mythtv_msgs_dbg = g_value_get_boolean (value);
rosfran@289
  1106
      break;
rosfran@289
  1107
    }
rosfran@289
  1108
#endif
rosfran@289
  1109
    case PROP_GMYTHTV_VERSION:
rosfran@289
  1110
    {
rosfran@289
  1111
      mythtvsrc->mythtv_version = g_value_get_int (value);
rosfran@289
  1112
      break;
rosfran@289
  1113
    }
rosfran@289
  1114
    case PROP_GMYTHTV_LIVEID:
rosfran@289
  1115
    {
rosfran@289
  1116
      mythtvsrc->live_tv_id = g_value_get_int (value);
rosfran@289
  1117
      break;
rosfran@289
  1118
    }
rosfran@289
  1119
    case PROP_GMYTHTV_LIVE:
rosfran@289
  1120
    {
rosfran@289
  1121
      mythtvsrc->live_tv = g_value_get_boolean (value);
rosfran@289
  1122
      break;
rosfran@289
  1123
    }
rosfran@289
  1124
    case PROP_GMYTHTV_ENABLE_TIMING_POSITION:
rosfran@289
  1125
    {
rosfran@289
  1126
      mythtvsrc->enable_timing_position = g_value_get_boolean (value);
rosfran@289
  1127
      break;
rosfran@289
  1128
    }
rosfran@289
  1129
    case PROP_GMYTHTV_LIVE_CHAINID:
rosfran@289
  1130
    {
rosfran@289
  1131
      if (!g_value_get_string (value)) {
rosfran@289
  1132
        GST_WARNING ("MythTV Live chainid property cannot be NULL");
leo_sobral@2
  1133
	break;
leo_sobral@2
  1134
      }
rosfran@289
  1135
rosfran@289
  1136
      if (mythtvsrc->live_chain_id != NULL) {
rosfran@289
  1137
        g_free (mythtvsrc->live_chain_id);
rosfran@289
  1138
        mythtvsrc->live_chain_id = NULL;
leo_sobral@2
  1139
      }
rosfran@289
  1140
      mythtvsrc->live_chain_id = g_value_dup_string (value);
rosfran@289
  1141
      break;
rosfran@289
  1142
    }
rosfran@70
  1143
    case PROP_GMYTHTV_CHANNEL_NUM:
rosfran@289
  1144
    {
rosfran@308
  1145
      mythtvsrc->channel_name = g_value_dup_string (value);
rosfran@289
  1146
      break;
rosfran@289
  1147
    }
leo_sobral@2
  1148
    default:
leo_sobral@2
  1149
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
leo_sobral@2
  1150
      break;
leo_sobral@2
  1151
  }
rosfran@289
  1152
leo_sobral@2
  1153
  GST_OBJECT_UNLOCK (mythtvsrc);
leo_sobral@2
  1154
}
leo_sobral@2
  1155
rosfran@100
  1156
static void
leo_sobral@2
  1157
gst_mythtv_src_get_property (GObject * object, guint prop_id,
leo_sobral@2
  1158
    GValue * value, GParamSpec * pspec)
leo_sobral@2
  1159
{
leo_sobral@2
  1160
  GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object);
leo_sobral@2
  1161
leo_sobral@2
  1162
  GST_OBJECT_LOCK (mythtvsrc);
leo_sobral@2
  1163
  switch (prop_id) {
leo_sobral@2
  1164
    case PROP_LOCATION:
rosfran@289
  1165
    {
rosfran@289
  1166
      gchar *str = g_strdup ("");
leo_sobral@2
  1167
rosfran@289
  1168
      if (mythtvsrc->uri_name == NULL) {
rosfran@289
  1169
        g_free (mythtvsrc->uri_name);
rosfran@289
  1170
        mythtvsrc->uri_name = NULL;
rosfran@289
  1171
      } else {
rosfran@289
  1172
        str = g_strdup (mythtvsrc->uri_name);
leo_sobral@2
  1173
      }
rosfran@289
  1174
      g_value_set_string (value, str);
rosfran@289
  1175
      break;
rosfran@289
  1176
    }
leo_sobral@2
  1177
#ifndef GST_DISABLE_GST_DEBUG
rosfran@40
  1178
    case PROP_GMYTHTV_DBG:
rosfran@289
  1179
      g_value_set_boolean (value, mythtvsrc->mythtv_msgs_dbg);
leo_sobral@2
  1180
      break;
leo_sobral@2
  1181
#endif
rosfran@40
  1182
    case PROP_GMYTHTV_VERSION:
rosfran@289
  1183
    {
rosfran@289
  1184
      g_value_set_int (value, mythtvsrc->mythtv_version);
rosfran@289
  1185
      break;
rosfran@289
  1186
    }
rosfran@40
  1187
    case PROP_GMYTHTV_LIVEID:
rosfran@289
  1188
    {
rosfran@289
  1189
      g_value_set_int (value, mythtvsrc->live_tv_id);
rosfran@289
  1190
      break;
rosfran@289
  1191
    }
rosfran@40
  1192
    case PROP_GMYTHTV_LIVE:
rosfran@289
  1193
      g_value_set_boolean (value, mythtvsrc->live_tv);
leo_sobral@2
  1194
      break;
rosfran@52
  1195
    case PROP_GMYTHTV_ENABLE_TIMING_POSITION:
rosfran@289
  1196
      g_value_set_boolean (value, mythtvsrc->enable_timing_position);
rosfran@52
  1197
      break;
rosfran@40
  1198
    case PROP_GMYTHTV_LIVE_CHAINID:
rosfran@289
  1199
    {
rosfran@289
  1200
      gchar *str = g_strdup ("");
leo_sobral@2
  1201
rosfran@289
  1202
      if (mythtvsrc->live_chain_id == NULL) {
rosfran@289
  1203
        g_free (mythtvsrc->live_chain_id);
rosfran@289
  1204
        mythtvsrc->live_chain_id = NULL;
rosfran@289
  1205
      } else {
rosfran@289
  1206
        str = g_strdup (mythtvsrc->live_chain_id);
leo_sobral@2
  1207
      }
rosfran@289
  1208
      g_value_set_string (value, str);
rosfran@289
  1209
      break;
rosfran@289
  1210
    }
rosfran@70
  1211
    case PROP_GMYTHTV_CHANNEL_NUM:
rosfran@289
  1212
    {
rosfran@308
  1213
      g_value_set_string (value, mythtvsrc->channel_name);
rosfran@289
  1214
      break;
rosfran@289
  1215
    }
leo_sobral@2
  1216
    default:
leo_sobral@2
  1217
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
leo_sobral@2
  1218
      break;
leo_sobral@2
  1219
  }
leo_sobral@2
  1220
  GST_OBJECT_UNLOCK (mythtvsrc);
leo_sobral@2
  1221
}
leo_sobral@2
  1222
rosfran@40
  1223
static gboolean
leo_sobral@2
  1224
plugin_init (GstPlugin * plugin)
leo_sobral@2
  1225
{
leo_sobral@2
  1226
  return gst_element_register (plugin, "mythtvsrc", GST_RANK_NONE,
leo_sobral@2
  1227
      GST_TYPE_MYTHTV_SRC);
leo_sobral@2
  1228
}
leo_sobral@2
  1229
leo_sobral@2
  1230
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
leo_sobral@2
  1231
    GST_VERSION_MINOR,
leo_sobral@2
  1232
    "mythtv",
leo_sobral@2
  1233
    "lib MythTV src",
rosfran@312
  1234
    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
leo_sobral@2
  1235
leo_sobral@2
  1236
leo_sobral@2
  1237
/*** GSTURIHANDLER INTERFACE *************************************************/
rosfran@289
  1238
static guint
leo_sobral@2
  1239
gst_mythtv_src_uri_get_type (void)
leo_sobral@2
  1240
{
leo_sobral@2
  1241
  return GST_URI_SRC;
leo_sobral@2
  1242
}
leo_sobral@2
  1243
rosfran@289
  1244
static gchar **
leo_sobral@2
  1245
gst_mythtv_src_uri_get_protocols (void)
leo_sobral@2
  1246
{
leo_sobral@2
  1247
  static gchar *protocols[] = { "myth", "myths", NULL };
leo_sobral@2
  1248
leo_sobral@2
  1249
  return protocols;
leo_sobral@2
  1250
}
leo_sobral@2
  1251
rosfran@289
  1252
static const gchar *
leo_sobral@2
  1253
gst_mythtv_src_uri_get_uri (GstURIHandler * handler)
leo_sobral@2
  1254
{
leo_sobral@2
  1255
  GstMythtvSrc *src = GST_MYTHTV_SRC (handler);
leo_sobral@2
  1256
leo_sobral@2
  1257
  return src->uri_name;
leo_sobral@2
  1258
}
leo_sobral@2
  1259
rosfran@289
  1260
static gboolean
leo_sobral@2
  1261
gst_mythtv_src_uri_set_uri (GstURIHandler * handler, const gchar * uri)
leo_sobral@2
  1262
{
leo_sobral@2
  1263
  GstMythtvSrc *src = GST_MYTHTV_SRC (handler);
leo_sobral@2
  1264
leo_sobral@2
  1265
  gchar *protocol;
leo_sobral@2
  1266
leo_sobral@2
  1267
  protocol = gst_uri_get_protocol (uri);
leo_sobral@2
  1268
  if ((strcmp (protocol, "myth") != 0) && (strcmp (protocol, "myths") != 0)) {
leo_sobral@2
  1269
    g_free (protocol);
leo_sobral@2
  1270
    return FALSE;
leo_sobral@2
  1271
  }
leo_sobral@2
  1272
  g_free (protocol);
leo_sobral@2
  1273
  g_object_set (src, "location", uri, NULL);
leo_sobral@2
  1274
leo_sobral@2
  1275
  return TRUE;
leo_sobral@2
  1276
}
leo_sobral@2
  1277
rosfran@289
  1278
static void
leo_sobral@2
  1279
gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
leo_sobral@2
  1280
{
leo_sobral@2
  1281
  GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
leo_sobral@2
  1282
leo_sobral@2
  1283
  iface->get_type = gst_mythtv_src_uri_get_type;
leo_sobral@2
  1284
  iface->get_protocols = gst_mythtv_src_uri_get_protocols;
leo_sobral@2
  1285
  iface->get_uri = gst_mythtv_src_uri_get_uri;
leo_sobral@2
  1286
  iface->set_uri = gst_mythtv_src_uri_set_uri;
leo_sobral@2
  1287
}
leo_sobral@2
  1288
rosfran@289
  1289
void
leo_sobral@2
  1290
size_header_handler (void *userdata, const char *value)
leo_sobral@2
  1291
{
leo_sobral@2
  1292
  GstMythtvSrc *src = GST_MYTHTV_SRC (userdata);
leo_sobral@2
  1293
leo_sobral@2
  1294
  GST_DEBUG_OBJECT (src, "content size = %lld bytes", src->content_size);
leo_sobral@2
  1295
}