leo_sobral@2: /* vim: set sw=2: -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2; c-indent-level: 2 -*- */ leo_sobral@2: /* GStreamer MythTV Plug-in leo_sobral@2: * Copyright (C) <2006> Rosfran Borges leo_sobral@2: * leo_sobral@2: * This library is free software; you can redistribute it and/or rosfran@30: * modify it under the terms of the GNU Library Lesser General rosfran@30: * Public License as published by the Free Software Foundation; either leo_sobral@2: * version 2 of the License, or (at your option) any later version. leo_sobral@2: * leo_sobral@2: * This library is distributed in the hope that it will be useful, leo_sobral@2: * but WITHOUT ANY WARRANTY; without even the implied warranty of leo_sobral@2: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU leo_sobral@2: * Library General Public License for more leo_sobral@2: */ leo_sobral@2: leo_sobral@2: #ifdef HAVE_CONFIG_H leo_sobral@2: #include "config.h" leo_sobral@2: #endif leo_sobral@2: leo_sobral@2: #include "gstmythtvsrc.h" rosfran@52: #include rosfran@52: #include leo_sobral@2: leo_sobral@2: #include leo_sobral@2: #include leo_sobral@2: leo_sobral@2: #include leo_sobral@2: #include leo_sobral@2: leo_sobral@2: GST_DEBUG_CATEGORY_STATIC (mythtvsrc_debug); leo_sobral@2: #define GST_CAT_DEFAULT mythtvsrc_debug leo_sobral@2: rosfran@70: #define GST_GMYTHTV_ID_NUM 1 rosfran@70: rosfran@70: #define GST_GMYTHTV_CHANNEL_NUM 1000 leo_sobral@2: rosfran@52: #define GMYTHTV_VERSION_DEFAULT 30 rosfran@61: rosfran@40: #define GMYTHTV_TRANSFER_MAX_WAITS 100 leo_sobral@2: rosfran@71: #define GMYTHTV_TRANSFER_MAX_BUFFER 4*1024 rosfran@30: //( 32*1024 ) leo_sobral@2: leo_sobral@2: /* 4*1024 ??? */ rosfran@70: #define MAX_READ_SIZE 4*1024 rosfran@30: //( 32*1024 ) leo_sobral@2: rosfran@70: #define GST_FLOW_ERROR_NO_DATA -101 rosfran@70: leo_sobral@2: /* stablish a maximum iteration value to the IS_RECORDING message */ leo_sobral@2: static guint wait_to_transfer = 0; leo_sobral@2: leo_sobral@2: static const GstElementDetails gst_mythtv_src_details = rosfran@30: GST_ELEMENT_DETAILS ( "MythTV client source", leo_sobral@2: "Source/Network", leo_sobral@2: "Control and receive data as a client over the network via raw socket connections using the MythTV protocol", rosfran@30: "Rosfran Borges " ); leo_sobral@2: leo_sobral@2: static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", leo_sobral@2: GST_PAD_SRC, leo_sobral@2: GST_PAD_ALWAYS, rosfran@30: GST_STATIC_CAPS ("video/x-nuv") ); rosfran@30: rosfran@71: /* rosfran@70: static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", rosfran@70: GST_PAD_SINK, rosfran@71: GST_PAD_SOMETIMES, rosfran@70: GST_STATIC_CAPS ("video/x-nuv") ); rosfran@71: */ leo_sobral@2: leo_sobral@2: enum leo_sobral@2: { leo_sobral@2: PROP_0, leo_sobral@2: PROP_LOCATION, leo_sobral@2: PROP_URI, leo_sobral@2: #ifndef GST_DISABLE_GST_DEBUG rosfran@40: PROP_GMYTHTV_DBG, leo_sobral@2: #endif rosfran@40: PROP_GMYTHTV_VERSION, rosfran@40: PROP_GMYTHTV_LIVE, rosfran@40: PROP_GMYTHTV_LIVEID, rosfran@52: PROP_GMYTHTV_LIVE_CHAINID, rosfran@70: PROP_GMYTHTV_ENABLE_TIMING_POSITION, rosfran@70: PROP_GMYTHTV_CHANNEL_NUM leo_sobral@2: }; leo_sobral@2: leo_sobral@2: static void gst_mythtv_src_finalize (GObject * gobject); leo_sobral@2: rosfran@30: static GstFlowReturn gst_mythtv_src_create (GstBaseSrc * psrc, guint64 offset, rosfran@30: guint size, GstBuffer ** outbuf); rosfran@52: leo_sobral@2: static gboolean gst_mythtv_src_start (GstBaseSrc * bsrc); leo_sobral@2: static gboolean gst_mythtv_src_stop (GstBaseSrc * bsrc); leo_sobral@2: static gboolean gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size); rosfran@30: static gboolean gst_mythtv_src_is_seekable( GstBaseSrc *push_src ); rosfran@52: rosfran@52: static gboolean gst_mythtv_src_next_program_chain ( GstMythtvSrc *src ); rosfran@52: rosfran@52: static GstStateChangeReturn rosfran@52: gst_mythtv_src_change_state (GstElement * element, GstStateChange transition); leo_sobral@2: leo_sobral@2: static void gst_mythtv_src_set_property (GObject * object, guint prop_id, leo_sobral@2: const GValue * value, GParamSpec * pspec); leo_sobral@2: static void gst_mythtv_src_get_property (GObject * object, guint prop_id, leo_sobral@2: GValue * value, GParamSpec * pspec); leo_sobral@2: rosfran@30: static void gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data); rosfran@30: rosfran@71: //static gboolean gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event); rosfran@30: //static gboolean gst_mythtv_src_query ( GstPad * pad, GstQuery * query ); rosfran@30: rosfran@37: static gint do_read_request_response (GstMythtvSrc *src, guint64 offset, rosfran@30: guint size, GstBuffer **outbuf); leo_sobral@2: rosfran@52: static void leo_sobral@2: _urihandler_init (GType type) leo_sobral@2: { leo_sobral@2: static const GInterfaceInfo urihandler_info = { leo_sobral@2: gst_mythtv_src_uri_handler_init, leo_sobral@2: NULL, leo_sobral@2: NULL leo_sobral@2: }; leo_sobral@2: leo_sobral@2: g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info); leo_sobral@2: leo_sobral@2: GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, leo_sobral@2: "MythTV src"); leo_sobral@2: } leo_sobral@2: leo_sobral@2: GST_BOILERPLATE_FULL (GstMythtvSrc, gst_mythtv_src, GstBaseSrc, rosfran@30: GST_TYPE_BASE_SRC, _urihandler_init) rosfran@30: rosfran@30: //GST_BOILERPLATE_FULL (GstMythtvSrc, gst_mythtv_src, GstPushSrc, rosfran@30: // GST_TYPE_PUSH_SRC, _urihandler_init) rosfran@30: leo_sobral@2: static void leo_sobral@2: gst_mythtv_src_base_init (gpointer g_class) leo_sobral@2: { leo_sobral@2: GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); leo_sobral@2: leo_sobral@2: gst_element_class_add_pad_template (element_class, leo_sobral@2: gst_static_pad_template_get (&srctemplate)); leo_sobral@2: leo_sobral@2: gst_element_class_set_details (element_class, &gst_mythtv_src_details); rosfran@52: rosfran@52: element_class->change_state = gst_mythtv_src_change_state; leo_sobral@2: } leo_sobral@2: rosfran@30: static void leo_sobral@2: gst_mythtv_src_class_init (GstMythtvSrcClass * klass) leo_sobral@2: { rosfran@63: GObjectClass *gobject_class; rosfran@30: //GstPushSrcClass *gstpushsrc_class; leo_sobral@2: GstBaseSrcClass *gstbasesrc_class; leo_sobral@2: leo_sobral@2: gobject_class = (GObjectClass *) klass; leo_sobral@2: gstbasesrc_class = (GstBaseSrcClass *) klass; leo_sobral@2: leo_sobral@2: gobject_class->set_property = gst_mythtv_src_set_property; leo_sobral@2: gobject_class->get_property = gst_mythtv_src_get_property; leo_sobral@2: gobject_class->finalize = gst_mythtv_src_finalize; leo_sobral@2: leo_sobral@2: g_object_class_install_property leo_sobral@2: (gobject_class, PROP_LOCATION, leo_sobral@2: g_param_spec_string ("location", "Location", leo_sobral@2: "The location. In the form:" leo_sobral@2: "\n\t\t\tmyth://a.com/file.nuv" leo_sobral@2: "\n\t\t\tmyth://a.com:23223/file.nuv " leo_sobral@2: "\n\t\t\ta.com/file.nuv - default scheme 'myth'", leo_sobral@2: "", G_PARAM_READWRITE)); leo_sobral@2: leo_sobral@2: g_object_class_install_property leo_sobral@2: (gobject_class, PROP_URI, leo_sobral@2: g_param_spec_string ("uri", "Uri", leo_sobral@2: "The location in form of a URI (deprecated; use location)", leo_sobral@2: "", G_PARAM_READWRITE)); leo_sobral@2: leo_sobral@2: g_object_class_install_property rosfran@40: (gobject_class, PROP_GMYTHTV_VERSION, leo_sobral@2: g_param_spec_int ("mythtv-version", "mythtv-version", rosfran@70: "Change MythTV version", leo_sobral@2: 26, 30, 26, G_PARAM_READWRITE)); leo_sobral@2: leo_sobral@2: g_object_class_install_property rosfran@40: (gobject_class, PROP_GMYTHTV_LIVEID, leo_sobral@2: g_param_spec_int ("mythtv-live-id", "mythtv-live-id", rosfran@70: "Change MythTV version", rosfran@40: 0, 200, GST_GMYTHTV_ID_NUM, G_PARAM_READWRITE)); leo_sobral@2: leo_sobral@2: g_object_class_install_property rosfran@40: (gobject_class, PROP_GMYTHTV_LIVE_CHAINID, leo_sobral@2: g_param_spec_string ("mythtv-live-chainid", "mythtv-live-chainid", rosfran@70: "Sets the MythTV chain ID (from TV Chain)", leo_sobral@2: "", G_PARAM_READWRITE)); leo_sobral@2: leo_sobral@2: g_object_class_install_property rosfran@40: (gobject_class, PROP_GMYTHTV_LIVE, leo_sobral@2: g_param_spec_boolean ("mythtv-live", "mythtv-live", leo_sobral@2: "Enable MythTV Live TV content streaming", leo_sobral@2: FALSE, G_PARAM_READWRITE)); leo_sobral@2: rosfran@52: g_object_class_install_property rosfran@52: (gobject_class, PROP_GMYTHTV_ENABLE_TIMING_POSITION, rosfran@52: g_param_spec_boolean ("mythtv-enable-timing-position", "mythtv-enable-timing-position", rosfran@52: "Enable MythTV Live TV content size continuous updating", rosfran@52: FALSE, G_PARAM_READWRITE)); rosfran@70: rosfran@70: g_object_class_install_property rosfran@70: (gobject_class, PROP_GMYTHTV_CHANNEL_NUM, rosfran@70: g_param_spec_int ("mythtv-channel", "mythtv-channel", rosfran@70: "Change MythTV channel number", rosfran@71: 0, 99999, GST_GMYTHTV_CHANNEL_NUM, G_PARAM_READWRITE)); rosfran@52: leo_sobral@2: #ifndef GST_DISABLE_GST_DEBUG leo_sobral@2: g_object_class_install_property rosfran@40: (gobject_class, PROP_GMYTHTV_DBG, leo_sobral@2: g_param_spec_boolean ("mythtv-debug", "mythtv-debug", leo_sobral@2: "Enable MythTV debug messages", leo_sobral@2: FALSE, G_PARAM_READWRITE)); leo_sobral@2: #endif leo_sobral@2: leo_sobral@2: gstbasesrc_class->start = gst_mythtv_src_start; leo_sobral@2: gstbasesrc_class->stop = gst_mythtv_src_stop; leo_sobral@2: gstbasesrc_class->get_size = gst_mythtv_src_get_size; leo_sobral@2: gstbasesrc_class->is_seekable = gst_mythtv_src_is_seekable; leo_sobral@2: leo_sobral@2: gstbasesrc_class->create = gst_mythtv_src_create; rosfran@52: leo_sobral@2: GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, leo_sobral@2: "MythTV Client Source"); leo_sobral@2: } leo_sobral@2: rosfran@30: static void leo_sobral@2: gst_mythtv_src_init (GstMythtvSrc * this, GstMythtvSrcClass * g_class) leo_sobral@2: { leo_sobral@2: this->file_transfer = NULL; leo_sobral@2: leo_sobral@2: this->unique_setup = FALSE; leo_sobral@2: rosfran@40: this->mythtv_version = GMYTHTV_VERSION_DEFAULT; rosfran@70: rosfran@70: this->state = GST_MYTHTV_SRC_FILE_TRANSFER; leo_sobral@2: leo_sobral@2: this->bytes_read = 0; rosfran@63: rosfran@63: this->prev_content_size = 0; leo_sobral@2: rosfran@52: this->content_size = 0; leo_sobral@2: this->read_offset = 0; leo_sobral@2: rosfran@61: this->content_size_last = 0; rosfran@61: leo_sobral@2: this->live_tv = FALSE; rosfran@52: rosfran@52: this->enable_timing_position = FALSE; rosfran@52: this->update_prog_chain = FALSE; leo_sobral@2: leo_sobral@2: this->user_agent = g_strdup ("mythtvsrc"); rosfran@52: this->mythtv_caps = NULL; rosfran@52: this->update_prog_chain = FALSE; rosfran@52: rosfran@70: this->channel_num = 0; rosfran@70: rosfran@52: this->eos = FALSE; rosfran@30: rosfran@70: this->adapter = NULL; rosfran@70: rosfran@71: //this->sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink"); rosfran@71: //gst_element_add_pad (GST_ELEMENT (this), this->sinkpad); rosfran@70: rosfran@70: /* rosfran@70: this->srcpad = gst_pad_new_from_static_template (&srctemplate, "src"); rosfran@70: gst_element_add_pad (GST_ELEMENT (this), this->srcpad); rosfran@70: */ rosfran@70: rosfran@30: gst_base_src_set_format( GST_BASE_SRC( this ), GST_FORMAT_BYTES ); leo_sobral@2: rosfran@59: gst_base_src_set_live ( GST_BASE_SRC( this ), TRUE ); rosfran@30: rosfran@71: // gst_pad_set_event_function ( GST_BASE_SRC_PAD(GST_BASE_SRC(this)), rosfran@71: // gst_mythtv_src_handle_event ); rosfran@31: /* rosfran@30: gst_pad_set_query_function ( GST_BASE_SRC_PAD(GST_BASE_SRC(this)), rosfran@30: gst_mythtv_src_query ); rosfran@30: */ rosfran@30: leo_sobral@2: } leo_sobral@2: rosfran@30: static void leo_sobral@2: gst_mythtv_src_finalize (GObject * gobject) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *this = GST_MYTHTV_SRC (gobject); leo_sobral@2: leo_sobral@2: if (this->mythtv_caps) { leo_sobral@2: gst_caps_unref (this->mythtv_caps); leo_sobral@2: this->mythtv_caps = NULL; leo_sobral@2: } leo_sobral@2: leo_sobral@2: if (this->file_transfer) { leo_sobral@2: g_object_unref (this->file_transfer); leo_sobral@2: this->file_transfer = NULL; leo_sobral@2: } leo_sobral@2: rosfran@52: if (this->spawn_livetv) { rosfran@70: g_object_unref (this->spawn_livetv); rosfran@52: this->spawn_livetv = NULL; rosfran@52: } rosfran@52: leo_sobral@2: if (this->uri_name) { leo_sobral@2: g_free (this->uri_name); leo_sobral@2: } leo_sobral@2: leo_sobral@2: if (this->user_agent) { leo_sobral@2: g_free (this->user_agent); leo_sobral@2: } leo_sobral@2: leo_sobral@2: G_OBJECT_CLASS (parent_class)->finalize (gobject); leo_sobral@2: } leo_sobral@2: rosfran@37: static gint rosfran@30: do_read_request_response (GstMythtvSrc * src, guint64 offset, guint size, GstBuffer **outbuf) leo_sobral@2: { rosfran@37: gint read = 0; rosfran@52: guint sizetoread = size; leo_sobral@2: rosfran@30: g_print( "Starting: [%s] Reading %d bytes...\n", __FUNCTION__, sizetoread ); leo_sobral@2: rosfran@30: /* Loop sending the Myth File Transfer request: leo_sobral@2: * Retry whilst authentication fails and we supply it. */ rosfran@37: gint len = 0; rosfran@70: rosfran@37: GST_OBJECT_LOCK(src); leo_sobral@2: leo_sobral@2: while ( sizetoread > 0 ) { rosfran@61: rosfran@61: len = gmyth_file_transfer_read( src->file_transfer, rosfran@70: GST_BUFFER_DATA( *outbuf ) + read, sizetoread, TRUE ); leo_sobral@2: leo_sobral@2: if ( len > 0 ) { rosfran@34: read += len; leo_sobral@2: sizetoread -= len; rosfran@52: } rosfran@52: else if ( len <= 0 ) rosfran@52: { rosfran@70: read = -1; rosfran@61: rosfran@52: if ( src->live_tv == FALSE ) rosfran@52: { rosfran@70: goto eos; rosfran@52: } rosfran@52: else rosfran@52: { rosfran@70: if ( len == GMYTHTV_FILE_TRANSFER_READ_ERROR ) { /* -314 */ rosfran@70: src->update_prog_chain = TRUE; rosfran@71: goto done; rosfran@70: } else rosfran@70: if ( abs( src->content_size - src->bytes_read ) < GMYTHTV_TRANSFER_MAX_BUFFER ) { rosfran@70: src->update_prog_chain = TRUE; rosfran@70: if ( src->enable_timing_position ) { rosfran@70: gint64 size_tmp = 0; rosfran@70: get_file_pos: rosfran@70: size_tmp = gmyth_file_transfer_get_file_position( src->file_transfer ); rosfran@70: if ( size_tmp > ( src->content_size + GMYTHTV_TRANSFER_MAX_BUFFER ) ) rosfran@70: src->content_size = size_tmp; rosfran@70: else if ( size_tmp > 0 ) rosfran@70: goto get_file_pos; rosfran@70: g_print( "\t[%s]\tGET_POSITION: file_position = %lld\n", rosfran@70: __FUNCTION__, size_tmp ); rosfran@70: } else if ( abs( src->content_size - src->bytes_read ) < GMYTHTV_TRANSFER_MAX_BUFFER ) { rosfran@70: src->prev_content_size = src->content_size; rosfran@70: gint64 new_offset = gmyth_file_transfer_get_file_position( src->file_transfer ); rosfran@70: if ( new_offset > 0 && src->content_size <= new_offset ) { rosfran@70: src->content_size = new_offset; rosfran@70: } else { rosfran@70: src->update_prog_chain = TRUE; rosfran@70: } rosfran@70: } rosfran@70: goto done; rosfran@70: } rosfran@70: goto done; rosfran@70: } rosfran@30: rosfran@61: } rosfran@61: rosfran@30: if ( read == sizetoread ) leo_sobral@2: break; leo_sobral@2: } rosfran@61: leo_sobral@2: if ( read > 0 ) { rosfran@61: src->read_offset += read; leo_sobral@2: src->bytes_read += read; rosfran@70: //src->content_size += src->bytes_read; rosfran@61: rosfran@61: g_print( "[%s]\tBYTES READ (actual) = %d, BYTES READ (cumulative) = %llu, "\ rosfran@61: "OFFSET = %llu, CONTENT SIZE = %llu.\n", __FUNCTION__, read, src->bytes_read, rosfran@61: src->read_offset, src->content_size ); rosfran@61: rosfran@61: GST_BUFFER_SIZE (*outbuf) = read; //GST_BUFFER_SIZE (buffer) = read; rosfran@61: GST_BUFFER_OFFSET (*outbuf) = offset; //GST_BUFFER_OFFSET (buffer) = offset; rosfran@61: GST_BUFFER_OFFSET_END (*outbuf) = offset + read;//GST_BUFFER_OFFSET_END (buffer) = offset + read; rosfran@61: rosfran@61: g_print( "Got buffer: [%s]\t\tBUFFER --->SIZE = %d, OFFSET = %llu, "\ rosfran@61: "OFFSET_END = %llu.\n\n", __FUNCTION__, GST_BUFFER_SIZE (*outbuf), rosfran@61: GST_BUFFER_OFFSET (*outbuf), GST_BUFFER_OFFSET_END (*outbuf) ); rosfran@61: rosfran@34: } else if ( !src->live_tv ) rosfran@61: goto eos; rosfran@61: rosfran@30: goto done; leo_sobral@2: leo_sobral@2: eos: leo_sobral@2: src->eos = TRUE; rosfran@61: leo_sobral@2: done: rosfran@37: GST_OBJECT_UNLOCK(src); leo_sobral@2: leo_sobral@2: return read; leo_sobral@2: } leo_sobral@2: rosfran@30: static GstFlowReturn rosfran@30: gst_mythtv_src_create ( GstBaseSrc * psrc, guint64 offset, guint size, GstBuffer **outbuf) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src; leo_sobral@2: GstFlowReturn ret = GST_FLOW_OK; rosfran@37: gint read = -1; rosfran@30: rosfran@30: src = GST_MYTHTV_SRC (psrc); rosfran@31: /* The caller should know the number of bytes and not read beyond EOS. */ rosfran@31: if (G_UNLIKELY (src->eos)) rosfran@31: goto eos; rosfran@40: if ( G_UNLIKELY (src->update_prog_chain) ) rosfran@40: goto change_progchain; rosfran@30: rosfran@52: GST_OBJECT_LOCK(src); leo_sobral@2: rosfran@30: if (G_UNLIKELY (src->read_offset != offset)) { rosfran@71: gint64 new_offset = gmyth_file_transfer_seek(src->file_transfer, offset, SEEK_SET); rosfran@40: g_print( "[%s] SRC Offset = %lld, NEW actual backend SEEK Offset = %lld.\n", rosfran@34: __FUNCTION__, src->read_offset, new_offset ); rosfran@34: if (G_UNLIKELY (new_offset < 0 ) )//|| new_offset != src->read_offset)) { rosfran@34: { rosfran@52: GST_OBJECT_UNLOCK(src); rosfran@52: if ( src->live_tv ) rosfran@52: goto change_progchain; rosfran@52: else rosfran@52: goto eos; rosfran@31: } leo_sobral@2: rosfran@30: src->read_offset = offset; rosfran@30: } rosfran@52: GST_OBJECT_UNLOCK(src); rosfran@30: rosfran@31: /* Create the buffer. */ rosfran@31: ret = gst_pad_alloc_buffer (GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)), rosfran@31: src->read_offset, size, rosfran@31: //src->icy_caps ? src->icy_caps : rosfran@31: GST_PAD_CAPS (GST_BASE_SRC_PAD (GST_BASE_SRC (psrc))), outbuf); leo_sobral@2: rosfran@70: if (G_UNLIKELY (ret != GST_FLOW_OK)) { rosfran@70: if ( src->live_tv ) rosfran@70: goto change_progchain; rosfran@70: else rosfran@70: goto done; rosfran@70: } rosfran@30: rosfran@31: read = do_read_request_response ( src, src->read_offset, size, outbuf ); leo_sobral@2: rosfran@40: if (G_UNLIKELY (src->update_prog_chain) ) rosfran@40: goto change_progchain; rosfran@40: rosfran@52: if (G_UNLIKELY (read <= 0) || *outbuf == NULL) { rosfran@52: if ( src->live_tv ) rosfran@52: goto change_progchain; rosfran@52: else rosfran@52: goto read_error; rosfran@31: } leo_sobral@2: leo_sobral@2: done: rosfran@31: { rosfran@31: const gchar *reason = gst_flow_get_name (ret); rosfran@31: rosfran@31: GST_DEBUG_OBJECT (src, "DONE task, reason %s", reason); rosfran@31: return ret; rosfran@31: } leo_sobral@2: eos: leo_sobral@2: { rosfran@30: const gchar *reason = gst_flow_get_name (ret); rosfran@30: rosfran@30: GST_DEBUG_OBJECT (src, "pausing task, reason %s", reason); leo_sobral@2: return GST_FLOW_UNEXPECTED; leo_sobral@2: } leo_sobral@2: /* ERRORS */ leo_sobral@2: read_error: leo_sobral@2: { leo_sobral@2: GST_ELEMENT_ERROR (src, RESOURCE, READ, leo_sobral@2: (NULL), ("Could not read any bytes (%i, %s)", read, leo_sobral@2: src->uri_name)); leo_sobral@2: return GST_FLOW_ERROR; leo_sobral@2: } rosfran@40: change_progchain: rosfran@37: { rosfran@37: GST_ELEMENT_ERROR (src, RESOURCE, READ, rosfran@52: (NULL), ("Seek failed, go to the next program info... (%i, %s)", read, rosfran@52: src->uri_name)); rosfran@52: // go to the next program chain rosfran@52: src->unique_setup = FALSE; rosfran@52: src->update_prog_chain = TRUE; rosfran@70: rosfran@70: //GST_OBJECT_LOCK(src); rosfran@70: gst_mythtv_src_next_program_chain( src ); rosfran@70: //GST_OBJECT_UNLOCK(src); rosfran@70: rosfran@70: return GST_FLOW_ERROR_NO_DATA; rosfran@37: } rosfran@30: leo_sobral@2: } leo_sobral@2: rosfran@52: gint64 rosfran@30: gst_mythtv_src_get_position ( GstMythtvSrc* src ) leo_sobral@2: { rosfran@30: rosfran@52: gint64 size_tmp = 0; rosfran@71: guint max_tries = 2; rosfran@71: if (src->live_tv == TRUE && ( abs( src->content_size - src->bytes_read ) < rosfran@71: GMYTHTV_TRANSFER_MAX_BUFFER ) ) { rosfran@71: rosfran@30: get_file_pos: rosfran@61: g_usleep( 10 ); rosfran@52: size_tmp = gmyth_file_transfer_get_file_position( src->file_transfer ); rosfran@52: if ( size_tmp > ( src->content_size + GMYTHTV_TRANSFER_MAX_BUFFER ) ) rosfran@61: src->content_size = size_tmp; rosfran@61: else if ( size_tmp > 0 && --max_tries > 0 ) rosfran@61: goto get_file_pos; rosfran@52: g_print( "\t[%s]\tGET_POSITION: file_position = %lld\n", rosfran@61: __FUNCTION__, size_tmp ); rosfran@71: /* sets the last content size amount before it can be updated */ rosfran@71: src->prev_content_size = src->content_size; rosfran@30: } rosfran@52: rosfran@30: return src->content_size; rosfran@30: leo_sobral@2: } leo_sobral@2: leo_sobral@2: /* create a socket for connecting to remote server */ rosfran@30: static gboolean leo_sobral@2: gst_mythtv_src_start ( GstBaseSrc * bsrc ) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc); leo_sobral@2: leo_sobral@2: GString *chain_id_local = NULL; leo_sobral@2: leo_sobral@2: gboolean ret = TRUE; rosfran@52: rosfran@71: if ( G_UNLIKELY (src->update_prog_chain) ) rosfran@71: goto change_progchain; rosfran@30: leo_sobral@2: if (src->unique_setup == FALSE) { leo_sobral@2: src->unique_setup = TRUE; leo_sobral@2: } else { leo_sobral@2: goto done; leo_sobral@2: } leo_sobral@2: leo_sobral@2: GST_OBJECT_LOCK(src); leo_sobral@2: leo_sobral@2: if ( src->live_tv ) { rosfran@40: src->spawn_livetv = gmyth_livetv_new( ); rosfran@40: if ( gmyth_livetv_setup( src->spawn_livetv ) == FALSE ) { rosfran@30: ret = FALSE; rosfran@52: GST_OBJECT_UNLOCK( src ); rosfran@30: goto init_failed; rosfran@70: } rosfran@52: leo_sobral@2: /* set up the uri variable */ leo_sobral@2: src->uri_name = g_strdup( src->spawn_livetv->proginfo->pathname->str ); leo_sobral@2: chain_id_local = gmyth_tvchain_get_id( src->spawn_livetv->tvchain ); leo_sobral@2: if ( chain_id_local != NULL ) { leo_sobral@2: src->live_chain_id = g_strdup( chain_id_local->str ); leo_sobral@2: g_print( "\t[%s]\tLocal chain ID = %s.\n", __FUNCTION__, src->live_chain_id ); leo_sobral@2: } rosfran@70: src->live_tv_id = src->spawn_livetv->recorder->recorder_num; rosfran@70: g_print ( "[%s] LiveTV id = %d, URI path = %s.\n", __FUNCTION__, src->live_tv_id, src->uri_name ); leo_sobral@2: } leo_sobral@2: rosfran@40: src->file_transfer = gmyth_file_transfer_new( src->live_tv_id, leo_sobral@2: g_string_new( src->uri_name ), -1, src->mythtv_version ); leo_sobral@2: leo_sobral@2: if ( src->file_transfer == NULL ) { leo_sobral@2: GST_OBJECT_UNLOCK(src); leo_sobral@2: leo_sobral@2: goto init_failed; leo_sobral@2: } leo_sobral@2: leo_sobral@2: /* sets the Playback monitor connection */ rosfran@40: ret = gmyth_file_transfer_playback_setup( &(src->file_transfer), src->live_tv ); leo_sobral@2: leo_sobral@2: if ( src->live_tv == TRUE && ret == TRUE ) { leo_sobral@2: /* loop finished, set the max tries variable to zero again... */ leo_sobral@2: wait_to_transfer = 0; leo_sobral@2: rosfran@70: while ( wait_to_transfer++ < GMYTHTV_TRANSFER_MAX_WAITS && rosfran@70: ( gmyth_file_transfer_is_recording( src->file_transfer ) == FALSE rosfran@40: /*|| ( gmyth_file_transfer_get_file_position( src->file_transfer ) < ( src->content_size + 327680 ) )*/ ) ) leo_sobral@2: g_usleep( 100 ); leo_sobral@2: } leo_sobral@2: leo_sobral@2: /* sets the FileTransfer instance connection (video/audio download) */ rosfran@40: ret = gmyth_file_transfer_setup( &(src->file_transfer), src->live_tv ); leo_sobral@2: leo_sobral@2: if ( ret == FALSE ) { leo_sobral@2: GST_OBJECT_UNLOCK(src); leo_sobral@2: #ifndef GST_DISABLE_GST_DEBUG leo_sobral@2: if ( src->mythtv_msgs_dbg ) leo_sobral@2: g_printerr( "MythTV FileTransfer request failed when setting up socket connection!\n" ); leo_sobral@2: #endif leo_sobral@2: goto begin_req_failed; leo_sobral@2: } leo_sobral@2: leo_sobral@2: src->content_size = src->file_transfer->filesize; leo_sobral@2: rosfran@71: src->do_start = FALSE; rosfran@71: leo_sobral@2: GST_OBJECT_UNLOCK(src); rosfran@30: rosfran@30: done: rosfran@30: return TRUE; rosfran@30: rosfran@30: /* ERRORS */ rosfran@30: init_failed: rosfran@30: { rosfran@30: if (src->spawn_livetv != NULL ) rosfran@30: g_object_unref( src->spawn_livetv ); rosfran@30: rosfran@30: GST_ELEMENT_ERROR (src, LIBRARY, INIT, rosfran@30: (NULL), ("Could not initialize MythTV library (%i, %s)", ret, src->uri_name)); rosfran@30: return FALSE; rosfran@30: } rosfran@30: begin_req_failed: rosfran@30: { rosfran@30: GST_ELEMENT_ERROR (src, LIBRARY, INIT, rosfran@30: (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret, src->uri_name)); rosfran@30: return FALSE; rosfran@30: } rosfran@71: change_progchain: rosfran@71: { rosfran@71: GST_ELEMENT_ERROR (src, RESOURCE, READ, rosfran@71: (NULL), ("Seek failed, go to the next program info... (%s)", rosfran@71: src->uri_name)); rosfran@71: // go to the next program chain rosfran@71: src->unique_setup = FALSE; rosfran@71: src->update_prog_chain = TRUE; rosfran@71: rosfran@71: //GST_OBJECT_LOCK(src); rosfran@71: gst_mythtv_src_next_program_chain( src ); rosfran@71: //GST_OBJECT_UNLOCK(src); rosfran@71: rosfran@71: return TRUE; rosfran@71: } rosfran@30: } leo_sobral@2: rosfran@52: /* create a new socket for connecting to the next program chain */ rosfran@52: static gboolean rosfran@52: gst_mythtv_src_next_program_chain ( GstMythtvSrc *src ) rosfran@52: { rosfran@52: GString *chain_id_local = NULL; rosfran@52: rosfran@52: gboolean ret = TRUE; rosfran@61: rosfran@52: if ( !src->live_tv ) rosfran@61: goto init_failed; rosfran@70: rosfran@70: if (src->unique_setup == FALSE) { rosfran@70: src->unique_setup = TRUE; rosfran@70: } else { rosfran@70: goto done; rosfran@70: } rosfran@61: rosfran@52: if (src->file_transfer) { rosfran@52: g_object_unref (src->file_transfer); rosfran@52: src->file_transfer = NULL; rosfran@52: } rosfran@61: rosfran@52: if (src->uri_name) { rosfran@52: g_free (src->uri_name); rosfran@52: } rosfran@61: rosfran@52: if ( src->live_tv ) { rosfran@61: if ( gmyth_livetv_next_program_chain( src->spawn_livetv ) == FALSE ) { rosfran@70: g_print( "\n\n[%s]\t\tFailed to go to the next program chain!!!\n\n", __FUNCTION__ ); rosfran@61: ret = FALSE; rosfran@61: goto init_failed; rosfran@52: } rosfran@52: /* set up the uri variable */ rosfran@52: src->uri_name = g_strdup( src->spawn_livetv->proginfo->pathname->str ); rosfran@52: chain_id_local = gmyth_tvchain_get_id( src->spawn_livetv->tvchain ); rosfran@52: if ( chain_id_local != NULL ) { rosfran@52: src->live_chain_id = g_strdup( chain_id_local->str ); rosfran@52: g_print( "\t[%s]\tLocal chain ID = %s.\n", __FUNCTION__, src->live_chain_id ); rosfran@52: } rosfran@70: src->live_tv_id = src->spawn_livetv->recorder->recorder_num; rosfran@52: g_print ( "[%s] LiveTV id = %d, URI path = %s.\n", __FUNCTION__, src->live_tv_id, src->uri_name ); rosfran@52: } rosfran@52: rosfran@52: src->file_transfer = gmyth_file_transfer_new( src->live_tv_id, rosfran@52: g_string_new( src->uri_name ), -1, src->mythtv_version ); rosfran@52: rosfran@52: if ( src->file_transfer == NULL ) { rosfran@52: goto init_failed; rosfran@52: } rosfran@52: rosfran@52: /* sets the Playback monitor connection */ rosfran@52: ret = gmyth_file_transfer_playback_setup( &(src->file_transfer), src->live_tv ); rosfran@52: rosfran@52: if ( src->live_tv == TRUE && ret == TRUE ) { rosfran@52: /* loop finished, set the max tries variable to zero again... */ rosfran@52: wait_to_transfer = 0; rosfran@61: rosfran@61: g_usleep( 200 ); rosfran@52: rosfran@52: while ( wait_to_transfer++ < GMYTHTV_TRANSFER_MAX_WAITS && rosfran@70: ( gmyth_file_transfer_is_recording( src->file_transfer ) == FALSE ) ) rosfran@61: g_usleep( 1000 ); rosfran@52: } rosfran@52: rosfran@52: /* sets the FileTransfer instance connection (video/audio download) */ rosfran@52: ret = gmyth_file_transfer_setup( &(src->file_transfer), src->live_tv ); rosfran@52: rosfran@52: if ( ret == FALSE ) { rosfran@52: #ifndef GST_DISABLE_GST_DEBUG rosfran@52: if ( src->mythtv_msgs_dbg ) rosfran@52: g_printerr( "MythTV FileTransfer request failed when setting up socket connection!\n" ); rosfran@52: #endif rosfran@52: goto begin_req_failed; rosfran@52: } rosfran@61: src->content_size_last = src->content_size; rosfran@61: rosfran@61: #if 0 rosfran@52: if ( src->content_size < src->file_transfer->filesize ) { rosfran@61: src->content_size = src->file_transfer->filesize; rosfran@52: } else { rosfran@61: //gint64 pos = gst_mythtv_src_get_position(src); rosfran@61: //if ( pos > src->file_transfer->filesize ) rosfran@61: // src->content_size = pos; rosfran@61: rosfran@52: } rosfran@61: #endif rosfran@61: rosfran@61: src->content_size = src->file_transfer->filesize; rosfran@71: while ( src->content_size < GMYTHTV_TRANSFER_MAX_BUFFER*4 ) rosfran@63: src->content_size = gst_mythtv_src_get_position( src ); rosfran@63: rosfran@70: src->read_offset = 0; rosfran@61: rosfran@70: src->update_prog_chain = FALSE; rosfran@70: rosfran@70: done: rosfran@52: return TRUE; rosfran@52: rosfran@52: /* ERRORS */ rosfran@52: init_failed: rosfran@52: { rosfran@52: if (src->spawn_livetv != NULL ) rosfran@52: g_object_unref( src->spawn_livetv ); rosfran@52: rosfran@52: GST_ELEMENT_ERROR (src, LIBRARY, INIT, rosfran@52: (NULL), ("Could not initialize MythTV library (%i, %s)", ret, src->uri_name)); rosfran@52: return FALSE; rosfran@52: } rosfran@52: begin_req_failed: rosfran@52: { rosfran@52: GST_ELEMENT_ERROR (src, LIBRARY, INIT, rosfran@52: (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret, src->uri_name)); rosfran@52: return FALSE; rosfran@52: } rosfran@61: rosfran@52: } rosfran@52: leo_sobral@2: #if 0 rosfran@30: /* handles queries for location in the stream in the requested format */ rosfran@30: static gboolean rosfran@30: gst_mythtv_src_query ( GstPad * pad, GstQuery * query ) rosfran@30: { rosfran@30: gboolean res = TRUE; rosfran@30: GstMythtvSrc *mythtv; leo_sobral@2: rosfran@30: guint64 size = 0; rosfran@30: rosfran@40: mythtv = GST_GMYTHTV_SRC( GST_PAD_PARENT (pad) ); rosfran@30: rosfran@30: size = gst_mythtv_src_get_position (mythtv); rosfran@30: rosfran@30: switch (GST_QUERY_TYPE (query)) { rosfran@30: rosfran@30: case GST_QUERY_POSITION: rosfran@30: { rosfran@30: rosfran@30: //GstFormat format; rosfran@30: gint64 cur = 0; rosfran@30: rosfran@30: /* save requested format */ rosfran@30: gst_query_parse_position (query, NULL, &cur); rosfran@30: rosfran@30: /* query peer for current position in time */ rosfran@30: g_print( "[%s] Actual size is %s than current size from sink. [ %lld, %lld ]\n", __FUNCTION__, rosfran@30: ( size > cur ) ? "greater" : "lower", size, cur ); rosfran@30: gst_query_set_position (query, GST_FORMAT_BYTES, size); rosfran@30: if ( size < cur ) rosfran@30: goto error; rosfran@30: rosfran@30: break; leo_sobral@2: } rosfran@30: #if 0 rosfran@30: case GST_QUERY_DURATION: rosfran@30: { rosfran@30: //GstFormat format; rosfran@30: gint64 cur = 0; rosfran@30: rosfran@30: /* save requested format */ rosfran@30: gst_query_parse_position (query, NULL, &cur); rosfran@30: rosfran@30: /* query peer for current position in time */ rosfran@30: g_print( "[%s] Actual size is %s than current size from sink. [ %lld, %lld ]\n", __FUNCTION__, rosfran@30: ( size * GST_SECOND > cur * GST_SECOND ) ? "greater" : "lower", size * GST_SECOND, rosfran@30: cur * GST_SECOND ); rosfran@30: gst_query_set_position (query, GST_FORMAT_TIME, size * GST_SECOND ); rosfran@30: rosfran@30: if ( size * GST_SECOND < cur * GST_SECOND ) rosfran@30: goto error; rosfran@30: rosfran@30: break; rosfran@30: } rosfran@30: #endif rosfran@30: default: rosfran@30: res = FALSE; rosfran@30: break; rosfran@30: } rosfran@30: rosfran@30: return res; rosfran@30: rosfran@30: error: rosfran@30: rosfran@30: return FALSE; rosfran@30: } leo_sobral@2: #endif leo_sobral@2: rosfran@30: static gboolean leo_sobral@2: gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size) leo_sobral@2: { rosfran@31: GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc); rosfran@30: gboolean ret = TRUE; rosfran@70: g_print( "[%s] Differs from previous content size: %d (max.: %d)\n", __FUNCTION__, rosfran@63: abs( src->content_size - src->prev_content_size ), GMYTHTV_TRANSFER_MAX_BUFFER ); leo_sobral@2: rosfran@30: if (src->content_size <= 0) { rosfran@30: ret= FALSE; rosfran@63: } else if ( src->live_tv && ( abs( src->content_size - src->bytes_read ) < rosfran@70: GMYTHTV_TRANSFER_MAX_BUFFER ) ) { rosfran@61: //g_static_mutex_lock( &update_size_mutex ); rosfran@61: //GST_OBJECT_LOCK(src); rosfran@70: rosfran@61: gint64 new_offset = gmyth_file_transfer_get_file_position( src->file_transfer ); rosfran@70: if ( new_offset > 0 && new_offset > src->content_size ) { rosfran@70: src->content_size = new_offset; rosfran@70: } else if ( new_offset < src->content_size ) { rosfran@70: src->update_prog_chain = TRUE; rosfran@70: } rosfran@61: rosfran@61: if ( src->enable_timing_position ) { rosfran@61: gint64 size_tmp = 0; rosfran@61: if (src->live_tv == TRUE) { rosfran@61: get_file_pos: rosfran@61: g_usleep( 5 ); rosfran@61: size_tmp = gmyth_file_transfer_get_file_position( src->file_transfer ); rosfran@61: if ( size_tmp > ( src->content_size + GMYTHTV_TRANSFER_MAX_BUFFER ) ) rosfran@61: src->content_size = size_tmp; rosfran@61: else if ( size_tmp > 0 ) rosfran@61: goto get_file_pos; rosfran@61: g_print( "\t[%s]\tGET_POSITION: file_position = %lld\n", rosfran@61: __FUNCTION__, size_tmp ); rosfran@61: } rosfran@61: } rosfran@70: rosfran@70: src->prev_content_size = src->content_size; rosfran@70: rosfran@61: //GST_OBJECT_UNLOCK(src); rosfran@61: //g_static_mutex_unlock( &update_size_mutex ); leo_sobral@2: } leo_sobral@2: leo_sobral@2: *size = src->content_size; rosfran@52: g_print( "[%s] Content size = %lld\n", __FUNCTION__, src->content_size ); leo_sobral@2: rosfran@30: return ret; rosfran@30: leo_sobral@2: } leo_sobral@2: leo_sobral@2: /* close the socket and associated resources leo_sobral@2: * used both to recover from errors and go to NULL state */ rosfran@52: static gboolean leo_sobral@2: gst_mythtv_src_stop (GstBaseSrc * bsrc) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src; leo_sobral@2: leo_sobral@2: src = GST_MYTHTV_SRC (bsrc); leo_sobral@2: leo_sobral@2: if (src->uri_name) { leo_sobral@2: g_free (src->uri_name); leo_sobral@2: src->uri_name = NULL; leo_sobral@2: } leo_sobral@2: leo_sobral@2: if (src->mythtv_caps) { leo_sobral@2: gst_caps_unref (src->mythtv_caps); leo_sobral@2: src->mythtv_caps = NULL; leo_sobral@2: } leo_sobral@2: leo_sobral@2: src->eos = FALSE; leo_sobral@2: leo_sobral@2: return TRUE; leo_sobral@2: } leo_sobral@2: rosfran@71: #if 0 rosfran@30: static gboolean leo_sobral@2: gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src = GST_MYTHTV_SRC (GST_PAD_PARENT (pad)); rosfran@52: gint64 cont_size = 0; leo_sobral@2: leo_sobral@2: switch (GST_EVENT_TYPE (event)) { rosfran@30: #if 0 leo_sobral@2: case GST_EVENT_FLUSH_START: rosfran@52: //src->eos = FALSE; rosfran@52: g_print( "\n\n\n[%s]\t\tGot FLUSH_START event!!!\n\n\n", __FUNCTION__ ); rosfran@61: cont_size = gst_mythtv_src_get_position (src); rosfran@61: if ( !src->live_tv ) { rosfran@61: if ( cont_size > src->content_size ) { rosfran@61: src->content_size = cont_size; rosfran@61: src->eos = FALSE; rosfran@61: } else { rosfran@61: src->eos = TRUE; rosfran@61: gst_element_set_state ( GST_ELEMENT (src), GST_STATE_NULL ); rosfran@61: gst_element_set_locked_state ( GST_ELEMENT (src), FALSE ); rosfran@61: } rosfran@61: } else { rosfran@61: if ( cont_size <= 0 ) { rosfran@61: src->update_prog_chain = TRUE; rosfran@61: src->eos = TRUE; rosfran@61: src->unique_setup = FALSE; rosfran@61: src->do_start = TRUE; rosfran@61: } rosfran@61: } rosfran@61: break; leo_sobral@2: case GST_EVENT_FLUSH_STOP: leo_sobral@2: src->do_start = TRUE; leo_sobral@2: src->eos = FALSE; leo_sobral@2: gst_element_set_state (GST_ELEMENT(src), GST_STATE_NULL); rosfran@30: //gst_element_set_locked_state (GST_ELEMENT(src), TRUE); rosfran@30: break; rosfran@30: #endif rosfran@30: case GST_EVENT_EOS: rosfran@30: g_print( "[%s] Got EOS event!!!\n", __FUNCTION__ ); rosfran@61: rosfran@61: if ( src->live_tv ) { rosfran@61: cont_size = gst_mythtv_src_get_position (src); rosfran@61: if ( cont_size > src->content_size ) { rosfran@61: src->content_size = cont_size; rosfran@61: src->eos = FALSE; rosfran@61: } else { rosfran@61: src->eos = TRUE; rosfran@61: gst_element_set_state ( GST_ELEMENT (src), GST_STATE_NULL ); rosfran@61: gst_element_set_locked_state ( GST_ELEMENT (src), FALSE ); rosfran@61: } rosfran@61: } else rosfran@61: src->eos = TRUE; rosfran@30: break; rosfran@30: #if 0 rosfran@30: case GST_EVENT_NEWSEGMENT: rosfran@30: g_print( "[%s] Got NEWSEGMENT!!!\n", __FUNCTION__ ); rosfran@30: src->eos = FALSE; leo_sobral@2: break; leo_sobral@2: case GST_EVENT_SEEK: leo_sobral@2: { rosfran@30: g_print( "[%s] Got EVENT_SEEK!!!\n", __FUNCTION__ ); leo_sobral@2: gdouble rate; leo_sobral@2: //gboolean update = TRUE; leo_sobral@2: GstFormat format; leo_sobral@2: GstSeekType cur_type, stop_type; leo_sobral@2: GstSeekFlags flags; leo_sobral@2: gint64 cur = 0, stop = 0; leo_sobral@2: gst_event_parse_seek ( event, &rate, &format, leo_sobral@2: &flags, &cur_type, &cur, leo_sobral@2: &stop_type, &stop ); leo_sobral@2: leo_sobral@2: g_print( "[%s] Got EVENT_SEEK.\n", __FUNCTION__ ); leo_sobral@2: if ( !( flags & GST_SEEK_FLAG_FLUSH ) ) { leo_sobral@2: g_print( "[%s] Could get the FLAG_FLUSH message.\n", __FUNCTION__ ); leo_sobral@2: } leo_sobral@2: //gboolean ret = gst_event_parse_new_segment ( event, leo_sobral@2: // &update, &rate, &format, &start, &stop, leo_sobral@2: // &position ); leo_sobral@2: //GstFlowReturn flow_ret = gst_mythtv_src_create (GST_BASE_SRC( GST_PAD_PARENT( psrc ) ), leo_sobral@2: // cur, stop - cur + 1, GstBuffer) rosfran@30: } rosfran@30: #endif leo_sobral@2: default: leo_sobral@2: return gst_pad_event_default (pad, event); leo_sobral@2: } leo_sobral@2: leo_sobral@2: return gst_pad_event_default (pad, event); leo_sobral@2: } rosfran@71: #endif leo_sobral@2: rosfran@30: static gboolean rosfran@30: gst_mythtv_src_is_seekable( GstBaseSrc *push_src ) leo_sobral@2: { leo_sobral@2: return TRUE; leo_sobral@2: } leo_sobral@2: rosfran@61: #if 0 rosfran@70: static GstFlowReturn rosfran@70: gst_mythtv_src_file_transfer( GstMythtvSrc *src ) rosfran@61: { rosfran@70: GstFlowReturn ret = GST_FLOW_OK; rosfran@70: GstBuffer *buf = NULL; rosfran@70: gint read = -1; rosfran@70: rosfran@70: /* The caller should know the number of bytes and not read beyond EOS. */ rosfran@70: if ( G_UNLIKELY (src->eos) ) rosfran@70: goto eos; rosfran@70: if ( G_UNLIKELY (src->update_prog_chain) ) rosfran@70: goto change_progchain; rosfran@61: rosfran@70: do { rosfran@70: rosfran@70: /* Create the buffer. */ rosfran@70: buf = gst_buffer_new_and_alloc (4096); rosfran@70: rosfran@70: ret = gst_mythtv_src_read_bytes( src, GST_BUFFER_SIZE(buf), TRUE, &buf ); rosfran@70: if ( ret != GST_FLOW_OK ) rosfran@70: return ret; rosfran@70: rosfran@70: read = do_read_request_response ( src, src->read_offset, GST_BUFFER_SIZE(buf), &buf ); rosfran@70: rosfran@70: if (G_UNLIKELY (src->update_prog_chain) ) rosfran@70: goto change_progchain; rosfran@70: rosfran@70: if (G_UNLIKELY (read <= 0) || buf == NULL) { rosfran@70: if ( src->live_tv ) rosfran@70: goto change_progchain; rosfran@70: else rosfran@70: goto read_error; rosfran@70: } rosfran@70: rosfran@71: if ( GST_FLOW_OK != ( ret = gst_pad_push ( GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)), buf ) ) ) { rosfran@70: goto done; rosfran@70: } rosfran@70: rosfran@70: } while(TRUE); rosfran@70: rosfran@70: done: rosfran@70: { rosfran@70: const gchar *reason = gst_flow_get_name (ret); rosfran@70: rosfran@70: GST_DEBUG_OBJECT (src, "DONE task, reason %s", reason); rosfran@70: return ret; rosfran@70: } rosfran@70: eos: rosfran@70: { rosfran@70: const gchar *reason = gst_flow_get_name (ret); rosfran@70: rosfran@70: GST_DEBUG_OBJECT (src, "pausing task, reason %s", reason); rosfran@70: return GST_FLOW_UNEXPECTED; rosfran@61: } rosfran@70: /* ERRORS */ rosfran@70: read_error: rosfran@70: { rosfran@70: GST_ELEMENT_ERROR (src, RESOURCE, READ, rosfran@70: (NULL), ("Could not read any bytes (%i, %s)", read, rosfran@70: src->uri_name)); rosfran@70: return GST_FLOW_ERROR; rosfran@61: } rosfran@70: change_progchain: rosfran@70: { rosfran@70: GST_ELEMENT_ERROR (src, RESOURCE, READ, rosfran@70: (NULL), ("Seek failed, go to the next program info... (%i, %s)", read, rosfran@70: src->uri_name)); rosfran@70: // go to the next program chain rosfran@70: src->unique_setup = FALSE; rosfran@70: src->update_prog_chain = TRUE; rosfran@70: src->mode = GST_MYTHTV_SRC_NEXT_PROGRAM_CHAIN; rosfran@70: rosfran@70: //GST_OBJECT_LOCK(src); rosfran@70: //gst_mythtv_src_next_program_chain( src ); rosfran@70: //GST_OBJECT_UNLOCK(src); rosfran@70: return GST_FLOW_OK;//GST_FLOW_ERROR_NO_DATA; rosfran@70: } rosfran@61: } rosfran@61: rosfran@61: static GstFlowReturn rosfran@70: gst_mythtv_src_play (GstPad * pad) rosfran@61: { rosfran@70: GstFlowReturn res = GST_FLOW_OK; rosfran@70: GstMythtvSrc *src = GST_MYTHTV_SRC (GST_PAD_PARENT (pad)); rosfran@70: rosfran@70: switch ( src->state ) { rosfran@70: case GST_MYTHTV_SRC_FILE_TRANSFER: rosfran@70: res = gst_mythtv_src_file_transfer( src ); rosfran@70: if ((res != GST_FLOW_OK) && (res != GST_FLOW_ERROR_NO_DATA)) { rosfran@70: goto pause; rosfran@70: } rosfran@70: break; rosfran@70: case GST_MYTHTV_SRC_NEXT_PROGRAM_CHAIN: rosfran@70: src->read_offset = 0; rosfran@70: src->bytes_read = 0; rosfran@70: src->unique_setup = FALSE; rosfran@70: if ( !gst_mythtv_src_next_program_chain( src ) ) { rosfran@70: goto pause; rosfran@70: } rosfran@70: src->state = GST_MYTHTV_SRC_FILE_TRANSFER; rosfran@70: break; rosfran@70: case GST_MYTHTV_SRC_INVALID_DATA: rosfran@70: goto pause; rosfran@70: break; rosfran@70: default: rosfran@70: g_assert_not_reached (); rosfran@70: } rosfran@61: rosfran@70: GST_DEBUG_OBJECT (src, "state: %d res:%s", src->state, rosfran@70: gst_flow_get_name (res)); rosfran@61: rosfran@70: return GST_FLOW_OK; rosfran@61: rosfran@70: pause: rosfran@70: GST_LOG_OBJECT (src, "pausing task, reason %s", gst_flow_get_name (res)); rosfran@70: gst_pad_pause_task (src->srcpad); rosfran@70: if (GST_FLOW_IS_FATAL (res)) { rosfran@70: GST_ELEMENT_ERROR (src, STREAM, FAILED, rosfran@70: ("Internal data stream error."), rosfran@70: ("streaming stopped, reason %s", gst_flow_get_name (res))); rosfran@71: gst_pad_send_event( GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)), gst_event_new_eos() ); rosfran@70: } rosfran@70: return res; rosfran@61: } rosfran@61: #endif rosfran@61: rosfran@52: static GstStateChangeReturn rosfran@52: gst_mythtv_src_change_state (GstElement * element, GstStateChange transition) rosfran@52: { rosfran@71: GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;//GST_STATE_CHANGE_NO_PREROLL; rosfran@52: GstMythtvSrc *src = GST_MYTHTV_SRC (element); rosfran@52: rosfran@52: switch (transition) { rosfran@52: case GST_STATE_CHANGE_NULL_TO_READY: rosfran@52: src->do_start = TRUE; rosfran@70: src->unique_setup = FALSE; rosfran@52: break; rosfran@52: case GST_STATE_CHANGE_READY_TO_PAUSED: rosfran@52: case GST_STATE_CHANGE_PAUSED_TO_PLAYING: rosfran@52: src->eos = FALSE; rosfran@52: break; rosfran@52: default: rosfran@52: break; rosfran@52: } rosfran@61: rosfran@61: ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); rosfran@52: if (ret == GST_STATE_CHANGE_FAILURE) rosfran@52: return ret; rosfran@52: rosfran@52: switch (transition) { rosfran@52: case GST_STATE_CHANGE_READY_TO_NULL: rosfran@63: g_print( "[%s] READY to NULL called!\n", __FUNCTION__ ); rosfran@52: break; rosfran@61: case GST_STATE_CHANGE_PLAYING_TO_PAUSED: rosfran@63: g_print( "[%s] PLAYING to PAUSED called!\n", __FUNCTION__ ); rosfran@52: case GST_STATE_CHANGE_PAUSED_TO_READY: rosfran@63: g_print( "[%s] PAUSED to READY called!\n", __FUNCTION__ ); rosfran@61: if ( src->live_tv && src->update_prog_chain ) { rosfran@71: GstPad *pad_peer; rosfran@71: gst_pad_push_event ( pad_peer = gst_pad_get_peer( GST_BASE_SRC_PAD (GST_BASE_SRC (src)) ), rosfran@71: gst_event_new_new_segment (TRUE, 1.0, GST_FORMAT_BYTES, 0, -1, 0 ) ); rosfran@70: src->read_offset = 0; rosfran@70: src->bytes_read = 0; rosfran@70: src->unique_setup = FALSE; rosfran@71: GST_OBJECT_LOCK( src ); rosfran@70: gst_mythtv_src_next_program_chain( src ); rosfran@71: GST_OBJECT_UNLOCK( src ); rosfran@61: } rosfran@61: break; rosfran@52: default: rosfran@52: break; rosfran@52: } rosfran@52: rosfran@52: return ret; rosfran@52: } rosfran@52: rosfran@30: static void leo_sobral@2: gst_mythtv_src_set_property (GObject * object, guint prop_id, leo_sobral@2: const GValue * value, GParamSpec * pspec) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object); leo_sobral@2: leo_sobral@2: GST_OBJECT_LOCK (mythtvsrc); leo_sobral@2: switch (prop_id) { leo_sobral@2: case PROP_URI: leo_sobral@2: case PROP_LOCATION: leo_sobral@2: { leo_sobral@2: if (!g_value_get_string (value)) { leo_sobral@2: GST_WARNING ("location property cannot be NULL"); leo_sobral@2: goto done; leo_sobral@2: } leo_sobral@2: leo_sobral@2: if (mythtvsrc->uri_name != NULL) { leo_sobral@2: g_free (mythtvsrc->uri_name); leo_sobral@2: mythtvsrc->uri_name = NULL; leo_sobral@2: } leo_sobral@2: mythtvsrc->uri_name = g_value_dup_string (value); leo_sobral@2: leo_sobral@2: break; leo_sobral@2: } leo_sobral@2: #ifndef GST_DISABLE_GST_DEBUG rosfran@40: case PROP_GMYTHTV_DBG: leo_sobral@2: { leo_sobral@2: mythtvsrc->mythtv_msgs_dbg = g_value_get_boolean (value); leo_sobral@2: break; leo_sobral@2: } leo_sobral@2: #endif rosfran@40: case PROP_GMYTHTV_VERSION: leo_sobral@2: { leo_sobral@2: mythtvsrc->mythtv_version = g_value_get_int (value); leo_sobral@2: break; leo_sobral@2: } rosfran@40: case PROP_GMYTHTV_LIVEID: leo_sobral@2: { leo_sobral@2: mythtvsrc->live_tv_id = g_value_get_int (value); leo_sobral@2: break; leo_sobral@2: } rosfran@40: case PROP_GMYTHTV_LIVE: leo_sobral@2: { leo_sobral@2: mythtvsrc->live_tv = g_value_get_boolean (value); leo_sobral@2: break; leo_sobral@2: } rosfran@52: case PROP_GMYTHTV_ENABLE_TIMING_POSITION: rosfran@52: { rosfran@52: mythtvsrc->enable_timing_position = g_value_get_boolean (value); rosfran@52: break; rosfran@52: } rosfran@40: case PROP_GMYTHTV_LIVE_CHAINID: leo_sobral@2: { leo_sobral@2: if (!g_value_get_string (value)) { leo_sobral@2: GST_WARNING ("MythTV Live chainid property cannot be NULL"); leo_sobral@2: goto done; leo_sobral@2: } leo_sobral@2: leo_sobral@2: if (mythtvsrc->live_chain_id != NULL) { leo_sobral@2: g_free (mythtvsrc->live_chain_id); leo_sobral@2: mythtvsrc->live_chain_id = NULL; leo_sobral@2: } leo_sobral@2: mythtvsrc->live_chain_id = g_value_dup_string (value); leo_sobral@2: break; leo_sobral@2: } rosfran@70: case PROP_GMYTHTV_CHANNEL_NUM: rosfran@70: { rosfran@70: mythtvsrc->channel_num = g_value_get_int (value); rosfran@70: break; rosfran@70: } leo_sobral@2: default: leo_sobral@2: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); leo_sobral@2: break; leo_sobral@2: } leo_sobral@2: GST_OBJECT_UNLOCK (mythtvsrc); leo_sobral@2: done: leo_sobral@2: return; leo_sobral@2: } leo_sobral@2: leo_sobral@2: static void leo_sobral@2: gst_mythtv_src_get_property (GObject * object, guint prop_id, leo_sobral@2: GValue * value, GParamSpec * pspec) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object); leo_sobral@2: leo_sobral@2: GST_OBJECT_LOCK (mythtvsrc); leo_sobral@2: switch (prop_id) { leo_sobral@2: case PROP_URI: leo_sobral@2: case PROP_LOCATION: leo_sobral@2: { leo_sobral@2: gchar *str = g_strdup( "" ); leo_sobral@2: leo_sobral@2: if ( mythtvsrc->uri_name == NULL ) { leo_sobral@2: g_free (mythtvsrc->uri_name); leo_sobral@2: mythtvsrc->uri_name = NULL; leo_sobral@2: } else { leo_sobral@2: str = g_strdup( mythtvsrc->uri_name ); leo_sobral@2: } leo_sobral@2: g_value_set_string ( value, str ); leo_sobral@2: break; leo_sobral@2: } leo_sobral@2: #ifndef GST_DISABLE_GST_DEBUG rosfran@40: case PROP_GMYTHTV_DBG: leo_sobral@2: g_value_set_boolean ( value, mythtvsrc->mythtv_msgs_dbg ); leo_sobral@2: break; leo_sobral@2: #endif rosfran@40: case PROP_GMYTHTV_VERSION: leo_sobral@2: { leo_sobral@2: g_value_set_int ( value, mythtvsrc->mythtv_version ); leo_sobral@2: break; leo_sobral@2: } rosfran@40: case PROP_GMYTHTV_LIVEID: leo_sobral@2: { leo_sobral@2: g_value_set_int ( value, mythtvsrc->live_tv_id ); leo_sobral@2: break; leo_sobral@2: } rosfran@40: case PROP_GMYTHTV_LIVE: leo_sobral@2: g_value_set_boolean ( value, mythtvsrc->live_tv ); leo_sobral@2: break; rosfran@52: case PROP_GMYTHTV_ENABLE_TIMING_POSITION: rosfran@52: g_value_set_boolean ( value, mythtvsrc->enable_timing_position ); rosfran@52: break; rosfran@40: case PROP_GMYTHTV_LIVE_CHAINID: leo_sobral@2: { leo_sobral@2: gchar *str = g_strdup( "" ); leo_sobral@2: leo_sobral@2: if ( mythtvsrc->live_chain_id == NULL ) { leo_sobral@2: g_free (mythtvsrc->live_chain_id); leo_sobral@2: mythtvsrc->live_chain_id = NULL; leo_sobral@2: } else { leo_sobral@2: str = g_strdup( mythtvsrc->live_chain_id ); leo_sobral@2: } leo_sobral@2: g_value_set_string ( value, str ); leo_sobral@2: break; leo_sobral@2: } rosfran@70: case PROP_GMYTHTV_CHANNEL_NUM: rosfran@70: { rosfran@70: g_value_set_int ( value, mythtvsrc->channel_num ); rosfran@70: break; rosfran@70: } leo_sobral@2: default: leo_sobral@2: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); leo_sobral@2: break; leo_sobral@2: } leo_sobral@2: GST_OBJECT_UNLOCK (mythtvsrc); leo_sobral@2: } leo_sobral@2: leo_sobral@2: /* entry point to initialize the plug-in leo_sobral@2: * initialize the plug-in itself leo_sobral@2: * register the element factories and pad templates leo_sobral@2: * register the features leo_sobral@2: */ rosfran@40: static gboolean leo_sobral@2: plugin_init (GstPlugin * plugin) leo_sobral@2: { leo_sobral@2: return gst_element_register (plugin, "mythtvsrc", GST_RANK_NONE, leo_sobral@2: GST_TYPE_MYTHTV_SRC); leo_sobral@2: } leo_sobral@2: leo_sobral@2: /* this is the structure that gst-register looks for leo_sobral@2: * so keep the name plugin_desc, or you cannot get your plug-in registered */ leo_sobral@2: GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, leo_sobral@2: GST_VERSION_MINOR, leo_sobral@2: "mythtv", leo_sobral@2: "lib MythTV src", leo_sobral@2: plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") leo_sobral@2: leo_sobral@2: leo_sobral@2: /*** GSTURIHANDLER INTERFACE *************************************************/ leo_sobral@2: static guint leo_sobral@2: gst_mythtv_src_uri_get_type (void) leo_sobral@2: { leo_sobral@2: return GST_URI_SRC; leo_sobral@2: } leo_sobral@2: leo_sobral@2: static gchar ** leo_sobral@2: gst_mythtv_src_uri_get_protocols (void) leo_sobral@2: { leo_sobral@2: static gchar *protocols[] = { "myth", "myths", NULL }; leo_sobral@2: leo_sobral@2: return protocols; leo_sobral@2: } leo_sobral@2: leo_sobral@2: static const gchar * leo_sobral@2: gst_mythtv_src_uri_get_uri (GstURIHandler * handler) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src = GST_MYTHTV_SRC (handler); leo_sobral@2: leo_sobral@2: return src->uri_name; leo_sobral@2: } leo_sobral@2: leo_sobral@2: static gboolean leo_sobral@2: gst_mythtv_src_uri_set_uri (GstURIHandler * handler, const gchar * uri) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src = GST_MYTHTV_SRC (handler); leo_sobral@2: leo_sobral@2: gchar *protocol; leo_sobral@2: leo_sobral@2: protocol = gst_uri_get_protocol (uri); leo_sobral@2: if ((strcmp (protocol, "myth") != 0) && (strcmp (protocol, "myths") != 0)) { leo_sobral@2: g_free (protocol); leo_sobral@2: return FALSE; leo_sobral@2: } leo_sobral@2: g_free (protocol); leo_sobral@2: g_object_set (src, "location", uri, NULL); leo_sobral@2: leo_sobral@2: return TRUE; leo_sobral@2: } leo_sobral@2: leo_sobral@2: static void leo_sobral@2: gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data) leo_sobral@2: { leo_sobral@2: GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface; leo_sobral@2: leo_sobral@2: iface->get_type = gst_mythtv_src_uri_get_type; leo_sobral@2: iface->get_protocols = gst_mythtv_src_uri_get_protocols; leo_sobral@2: iface->get_uri = gst_mythtv_src_uri_get_uri; leo_sobral@2: iface->set_uri = gst_mythtv_src_uri_set_uri; leo_sobral@2: } leo_sobral@2: leo_sobral@2: void leo_sobral@2: size_header_handler (void *userdata, const char *value) leo_sobral@2: { leo_sobral@2: GstMythtvSrc *src = GST_MYTHTV_SRC (userdata); leo_sobral@2: leo_sobral@2: //src->content_size = g_ascii_strtoull (value, NULL, 10); leo_sobral@2: leo_sobral@2: GST_DEBUG_OBJECT (src, "content size = %lld bytes", src->content_size); leo_sobral@2: }