diff -r 81f031485b52 -r 289e2d11d16c gst-plugins-mythtv/src/gstmythtvsrc.c.new --- a/gst-plugins-mythtv/src/gstmythtvsrc.c.new Tue May 01 17:22:20 2007 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1033 +0,0 @@ -/* vim: set sw=2: -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2; c-indent-level: 2 -*- */ -/* GStreamer MythTV Plug-in - * Copyright (C) <2006> Rosfran Borges - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "gstmythtvsrc.h" -#include "myth_file_transfer.h" -#include "myth_livetv.h" - -#include -#include - -#include -#include - -GST_DEBUG_CATEGORY_STATIC (mythtvsrc_debug); -#define GST_CAT_DEFAULT mythtvsrc_debug - -#define GST_MYTHTV_ID_NUM 1 - -#define MYTHTV_VERSION_DEFAULT 30 - -#define MYTHTV_TRANSFER_MAX_WAITS 100 - -#define MYTHTV_TRANSFER_MAX_BUFFER ( 32*1024 ) - -/* 4*1024 ??? */ -#define MAX_READ_SIZE ( 16*1024 ) - -#define ENABLE_TIMING_POSITION 1 - -/* stablish a maximum iteration value to the IS_RECORDING message */ -static guint wait_to_transfer = 0; - -static const GstElementDetails gst_mythtv_src_details = -GST_ELEMENT_DETAILS ("MythTV client source", - "Source/Network", - "Control and receive data as a client over the network via raw socket connections using the MythTV protocol", - "Rosfran Borges "); - -static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS_ANY); - -static GstTask *update_size_task = NULL; - -static GStaticRecMutex update_size_mutex = G_STATIC_REC_MUTEX_INIT; - -enum -{ - PROP_0, - PROP_LOCATION, - PROP_URI, -#ifndef GST_DISABLE_GST_DEBUG - PROP_MYTHTV_DBG, -#endif - PROP_MYTHTV_VERSION, - PROP_MYTHTV_LIVE, - PROP_MYTHTV_LIVEID, - PROP_MYTHTV_LIVE_CHAINID -}; - -static void gst_mythtv_src_finalize (GObject * gobject); - -static GstFlowReturn gst_mythtv_src_create (GstBaseSrc * psrc, - guint64 offset, guint size, GstBuffer ** outbuf); -static gboolean gst_mythtv_src_start (GstBaseSrc * bsrc); -static gboolean gst_mythtv_src_stop (GstBaseSrc * bsrc); -static gboolean gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size); -static gboolean gst_mythtv_src_is_seekable( GstBaseSrc *base_src ); - -static void gst_mythtv_src_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_mythtv_src_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - -static void -gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data); - -static gboolean -gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event); - - static void -_urihandler_init (GType type) -{ - static const GInterfaceInfo urihandler_info = { - gst_mythtv_src_uri_handler_init, - NULL, - NULL - }; - - g_type_add_interface_static (type, GST_TYPE_URI_HANDLER, &urihandler_info); - - GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, - "MythTV src"); -} - -GST_BOILERPLATE_FULL (GstMythtvSrc, gst_mythtv_src, GstBaseSrc, - GST_TYPE_BASE_SRC, _urihandler_init); - - static void -gst_mythtv_src_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&srctemplate)); - - gst_element_class_set_details (element_class, &gst_mythtv_src_details); -} - - static void -gst_mythtv_src_class_init (GstMythtvSrcClass * klass) -{ - GObjectClass *gobject_class; - GstBaseSrcClass *gstbasesrc_class; - - gobject_class = (GObjectClass *) klass; - gstbasesrc_class = (GstBaseSrcClass *) klass; - - gobject_class->set_property = gst_mythtv_src_set_property; - gobject_class->get_property = gst_mythtv_src_get_property; - gobject_class->finalize = gst_mythtv_src_finalize; - - g_object_class_install_property - (gobject_class, PROP_LOCATION, - g_param_spec_string ("location", "Location", - "The location. In the form:" - "\n\t\t\tmyth://a.com/file.nuv" - "\n\t\t\tmyth://a.com:23223/file.nuv " - "\n\t\t\ta.com/file.nuv - default scheme 'myth'", - "", G_PARAM_READWRITE)); - - g_object_class_install_property - (gobject_class, PROP_URI, - g_param_spec_string ("uri", "Uri", - "The location in form of a URI (deprecated; use location)", - "", G_PARAM_READWRITE)); - - g_object_class_install_property - (gobject_class, PROP_MYTHTV_VERSION, - g_param_spec_int ("mythtv-version", "mythtv-version", - "Change Myth TV version", - 26, 30, 26, G_PARAM_READWRITE)); - - g_object_class_install_property - (gobject_class, PROP_MYTHTV_LIVEID, - g_param_spec_int ("mythtv-live-id", "mythtv-live-id", - "Change Myth TV version", - 0, 200, GST_MYTHTV_ID_NUM, G_PARAM_READWRITE)); - - g_object_class_install_property - (gobject_class, PROP_MYTHTV_LIVE_CHAINID, - g_param_spec_string ("mythtv-live-chainid", "mythtv-live-chainid", - "Sets the Myth TV chain ID (from TV Chain)", - "", G_PARAM_READWRITE)); - - g_object_class_install_property - (gobject_class, PROP_MYTHTV_LIVE, - g_param_spec_boolean ("mythtv-live", "mythtv-live", - "Enable MythTV Live TV content streaming", - FALSE, G_PARAM_READWRITE)); - -#ifndef GST_DISABLE_GST_DEBUG - g_object_class_install_property - (gobject_class, PROP_MYTHTV_DBG, - g_param_spec_boolean ("mythtv-debug", "mythtv-debug", - "Enable MythTV debug messages", - FALSE, G_PARAM_READWRITE)); -#endif - - gstbasesrc_class->start = gst_mythtv_src_start; - gstbasesrc_class->stop = gst_mythtv_src_stop; - gstbasesrc_class->get_size = gst_mythtv_src_get_size; - gstbasesrc_class->is_seekable = gst_mythtv_src_is_seekable; - - gstbasesrc_class->create = gst_mythtv_src_create; - - GST_DEBUG_CATEGORY_INIT (mythtvsrc_debug, "mythtvsrc", 0, - "MythTV Client Source"); -} - - static void -gst_mythtv_src_init (GstMythtvSrc * this, GstMythtvSrcClass * g_class) -{ - this->file_transfer = NULL; - - this->unique_setup = FALSE; - - this->mythtv_version = MYTHTV_VERSION_DEFAULT; - - this->bytes_read = 0; - - this->content_size = -1; - this->read_offset = 0; - - this->live_tv = FALSE; - - this->user_agent = g_strdup ("mythtvsrc"); - this->mythtv_caps = NULL; - - gst_base_src_set_live ( GST_BASE_SRC( this ), TRUE ); - - gst_pad_set_event_function (GST_BASE_SRC_PAD(GST_BASE_SRC(this)), - GST_DEBUG_FUNCPTR (gst_mythtv_src_handle_event)); - -} - - static void -gst_mythtv_src_finalize (GObject * gobject) -{ - GstMythtvSrc *this = GST_MYTHTV_SRC (gobject); - - g_free (this->user_agent); - - if (this->mythtv_caps) { - gst_caps_unref (this->mythtv_caps); - this->mythtv_caps = NULL; - } - - if (this->file_transfer) { - g_object_unref (this->file_transfer); - this->file_transfer = NULL; - } - - if (this->uri_name) { - g_free (this->uri_name); - } - - if (this->user_agent) { - g_free (this->user_agent); - } - - if ( update_size_task != NULL ) { - - if ( GST_TASK_STATE( update_size_task ) != GST_TASK_STOPPED ) - gst_task_stop( update_size_task ); - - gst_object_unref( update_size_task ); - - update_size_task = NULL; - - } - - G_OBJECT_CLASS (parent_class)->finalize (gobject); -} - -#if 0 - static guint -do_seek( GstMythtvSrc *src, guint64 offset, guint size, GstBuffer *outbuf ) -{ - guint64 off_uint64 = myth_file_transfer_seek(src->file_transfer, offset, 1); - - g_print( "[%s] Call MythTV SEEK with offset %llu, got a new one %llu...\n", __FUNCTION__, - offset, off_uint64 ); - - return off_uint64; - -} -#endif - - static guint -do_read_request_response (GstMythtvSrc * src, guint64 offset, guint size, GstBuffer * outbuf) -{ - guint read = 0; - guint sizetoread = size; //GST_BUFFER_SIZE (outbuf); - - g_print( "[%s] Reading %d bytes...\n", __FUNCTION__, sizetoread ); - - /* Loop sending the request: - * Retry whilst authentication fails and we supply it. */ - - ssize_t len = 0; - - //GST_OBJECT_LOCK(src); - - while ( sizetoread > 0 ) { - - len = myth_file_transfer_read( src->file_transfer, - GST_BUFFER_DATA (outbuf) + read, sizetoread, TRUE ); - - if ( len > 0 ) { - read += len; - src->read_offset += read; - sizetoread -= len; - } else if ( len < 0 ) { - goto done; - } - else if ( len == 0 ) { - if ( src->live_tv == FALSE ) - goto done; - else - goto eos; - - } - - if ( len == sizetoread ) - break; - - } - - if ( read > 0 ) { - src->bytes_read += read; - - GST_BUFFER_SIZE (outbuf) = read; - } else if ( read <= 0 || len <= 0 ) { - if ( src->live_tv == FALSE ) - goto eos; - else - goto done; - } - //GST_BUFFER_OFFSET (outbuf) = src->read_offset; - - g_print( "[%s]\tBYTES READ (actual) = %d, BYTES READ (cumulative) = %llu, "\ - "OFFSET = %llu, CONTENT SIZE = %llu.\n", __FUNCTION__, read, src->bytes_read, - src->read_offset, src->content_size ); - - //GST_OBJECT_UNLOCK(src); - - if ( len < 0 ) { - read = len; - if ( src->live_tv == FALSE ) - goto eos; - else - goto done; - } - - if ( src->bytes_read < src->content_size ) - goto done; - -eos: - //GST_OBJECT_UNLOCK(src); - - src->eos = TRUE; -done: - //GST_OBJECT_UNLOCK(src); - - return read; -} - - static GstFlowReturn -gst_mythtv_src_create ( GstBaseSrc * psrc, guint64 offset, - guint size, GstBuffer **outbuf ) -{ - GstMythtvSrc *src; - GstFlowReturn ret = GST_FLOW_OK; - guint read = 0; - - src = GST_MYTHTV_SRC (psrc); - - //src->do_start = FALSE; - src->do_start = FALSE; - gst_task_join ( update_size_task ); - - g_print( "[%s]\tBUFFER OFFSET = %llu, BUFFER SIZE = %d.\n", __FUNCTION__, offset, - size ); - - /* The caller should know the number of bytes and not read beyond EOS. */ - //if (G_UNLIKELY (src->eos)) - // goto eos; - //g_static_rec_mutex_lock( &update_size_mutex ); - - /* Create the buffer. */ - ret = gst_pad_alloc_buffer ( GST_BASE_SRC_PAD (GST_BASE_SRC (psrc)), - // GST_BUFFER_OFFSET_NONE, GST_BASE_SRC (psrc)->blocksize, - offset, size, - src->mythtv_caps ? src->mythtv_caps : - GST_PAD_CAPS (GST_BASE_SRC_PAD (GST_BASE_SRC (psrc))), outbuf ); - - //if (G_UNLIKELY (ret == GST_FLOW_UNEXPECTED)) - // goto eos; - - if (G_UNLIKELY (ret != GST_FLOW_OK)) - goto eos; - - if (G_UNLIKELY (ret == GST_FLOW_ERROR)) - goto read_error; - - read = do_read_request_response ( src, offset, size, *outbuf ); - - //g_static_rec_mutex_unlock( &update_size_mutex ); - - src->do_start = TRUE; - gst_task_start ( update_size_task ); - -#if 0 - g_static_rec_mutex_lock( &update_size_mutex ); - src->do_start = FALSE; - g_static_rec_mutex_unlock( &update_size_mutex ); - GST_TASK_SIGNAL( update_size_task ); -#endif - - //g_static_rec_mutex_unlock( &update_size_mutex ); - -#if 0 -#if ENABLE_TIMING_POSITION == 1 - guint64 size_tmp = 0; - if (src->live_tv == TRUE) { - //g_usleep( 1000 ); -get_file_pos: - //g_usleep( 100 ); - size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); - if ( size_tmp > ( src->content_size + MYTHTV_TRANSFER_MAX_BUFFER ) ) - src->content_size = size_tmp; - else - goto get_file_pos; - g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", - __FUNCTION__, size_tmp); - - } -#endif -#endif - - //if (G_UNLIKELY (read < 0)) - // goto read_error; - - if (G_UNLIKELY(src->eos)) - goto eos; - else - goto done; - -done: - return ret; -eos: -#if 0 -#if ENABLE_TIMING_POSITION == 1 - if ( src->live_tv == TRUE ) { - //g_usleep( 1000 ); - guint64 size_tmp = 0; -get_file_pos_eos: - //g_usleep( 100 ); - size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); - if ( size_tmp > ( src->content_size + MYTHTV_TRANSFER_MAX_BUFFER ) ) - src->content_size = size_tmp; - else - goto get_file_pos_eos; - g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", - __FUNCTION__, size_tmp); - goto done; - } else -#endif -#endif - { - GST_DEBUG_OBJECT (src, "EOS reached"); - return GST_FLOW_UNEXPECTED; - } - /* ERRORS */ -read_error: - { - GST_ELEMENT_ERROR (src, RESOURCE, READ, - (NULL), ("Could not read any bytes (%i, %s)", read, - src->uri_name)); - return GST_FLOW_ERROR; - } - #if 0 -need_pause: - { - const gchar *reason = gst_flow_get_name (ret); - - GST_DEBUG_OBJECT (src, "pausing task, reason %s", reason); - return GST_FLOW_UNEXPECTED; - } - #endif - -} - -#if 0 -/* The following two charset mangling functions were copied from gnomevfssrc. - * Preserve them under the unverified assumption that they do something vaguely - * worthwhile. - */ - static char * -unicodify (const char *str, int len, ...) -{ - char *ret = NULL, *cset; - va_list args; - gsize bytes_read, bytes_written; - - if (g_utf8_validate (str, len, NULL)) - return g_strndup (str, len >= 0 ? len : strlen (str)); - - va_start (args, len); - while ((cset = va_arg (args, char *)) != NULL) - { - if (!strcmp (cset, "locale")) - ret = g_locale_to_utf8 (str, len, &bytes_read, &bytes_written, NULL); - else - ret = g_convert (str, len, "UTF-8", cset, - &bytes_read, &bytes_written, NULL); - if (ret) - break; - } - va_end (args); - - return ret; -} - - static char * -gst_mythtv_src_unicodify (const char *str) -{ - return unicodify (str, -1, "locale", "ISO-8859-1", NULL); -} -#endif - -void -update_size_func( void *mythtv_data ) -{ - GstMythtvSrc *src; - - g_return_if_fail( mythtv_data != NULL ); - - src = GST_MYTHTV_SRC ( mythtv_data ); - if ( src->do_start ) { - #if ENABLE_TIMING_POSITION == 1 - guint64 size_tmp = 0; - if (src->live_tv == TRUE) { -get_file_pos: - //g_usleep( 50 ); - size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); - if ( size_tmp > ( src->content_size + MYTHTV_TRANSFER_MAX_BUFFER ) ) - src->content_size = size_tmp; - else - goto get_file_pos; - g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", - __FUNCTION__, size_tmp ); - } -#endif -} - gst_task_pause( update_size_task ); - // src->do_start = FALSE; - //GST_TASK_SIGNAL( update_size_task ); - -} - -/* create a socket for connecting to remote server */ - static gboolean -gst_mythtv_src_start ( GstBaseSrc * bsrc ) -{ - GstMythtvSrc *src = GST_MYTHTV_SRC (bsrc); - - GString *chain_id_local = NULL; - - gboolean ret = TRUE; -#if 0 - if (src->live_tv == TRUE && src->file_transfer != NULL) { - guint64 size_tmp = myth_file_transfer_get_file_position( src->file_transfer ); - if (size_tmp > src->content_size) - src->content_size = size_tmp; - g_print( "\t[%s]\tGET_POSITION: file_position = %llu\n", - __FUNCTION__, size_tmp); - } -#endif - if (src->unique_setup == FALSE) { - src->unique_setup = TRUE; - } else { - goto done; - } - - //GST_OBJECT_LOCK(src); - - if ( src->live_tv ) { - src->spawn_livetv = myth_livetv_new( ); - if ( myth_livetv_setup( src->spawn_livetv ) == FALSE ) { - ret = FALSE; - goto init_failed; - } - /* set up the uri variable */ - src->uri_name = g_strdup( src->spawn_livetv->proginfo->pathname->str ); - chain_id_local = gmyth_tvchain_get_id( src->spawn_livetv->tvchain ); - if ( chain_id_local != NULL ) { - src->live_chain_id = g_strdup( chain_id_local->str ); - g_print( "\t[%s]\tLocal chain ID = %s.\n", __FUNCTION__, src->live_chain_id ); - } - src->live_tv_id = src->spawn_livetv->remote_encoder->recorder_num; - g_print ( "[%s] LiveTV id = %d, URI path = %s.\n", __FUNCTION__, src->live_tv_id, src->uri_name ); - } - - src->file_transfer = myth_file_transfer_new( src->live_tv_id, - g_string_new( src->uri_name ), -1, src->mythtv_version ); - - if ( src->file_transfer == NULL ) { - //GST_OBJECT_UNLOCK(src); - - goto init_failed; - } - - if ( src->live_tv ) { - g_print ( "[%s] GST MYTHTVSRC: live_chain_id = %s\n", __FUNCTION__, src->live_chain_id ); - /* sets the MythSocket to the FileTransfer */ - //ret = myth_file_transfer_livetv_setup( &(src->file_transfer), src->spawn_livetv->remote_encoder->myth_socket ); - } - /* sets the Playback monitor connection */ - ret = myth_file_transfer_playback_setup( &(src->file_transfer), src->live_tv ); - - if ( src->live_tv == TRUE && ret == TRUE ) { - /* loop finished, set the max tries variable to zero again... */ - wait_to_transfer = 0; - - while ( wait_to_transfer++ < MYTHTV_TRANSFER_MAX_WAITS && ( myth_file_transfer_is_recording( src->file_transfer ) == FALSE - /*|| ( myth_file_transfer_get_file_position( src->file_transfer ) < ( src->content_size + 327680 ) )*/ ) ) - g_usleep( 100 ); - } - - /* sets the FileTransfer instance connection (video/audio download) */ - ret = myth_file_transfer_setup( &(src->file_transfer), src->live_tv ); - - if ( ret == FALSE ) { - //GST_OBJECT_UNLOCK(src); -#ifndef GST_DISABLE_GST_DEBUG - if ( src->mythtv_msgs_dbg ) - g_printerr( "MythTV FileTransfer request failed when setting up socket connection!\n" ); -#endif - goto begin_req_failed; - } - - src->content_size = src->file_transfer->filesize; - - //GST_OBJECT_UNLOCK(src); - - update_size_task = gst_task_create( update_size_func, src ); - - gst_task_set_lock( update_size_task, &update_size_mutex ); - - g_print( "[%s] Update Size task = %s\n", __FUNCTION__, gst_task_start( update_size_task ) && - GST_TASK_STATE( update_size_task ) == GST_TASK_STARTED ? "OK !" : "ERROR!!!" ); - - src->do_start = TRUE; - -#if 0 - const char *str_value; - gint gint_value; - - str_value = ne_get_response_header (src->request, "myth-metaint"); - if (str_value) { - if ( sscanf (str_value, "%d", &gint_value) == 1 ) { - if (src->myth_caps) { - gst_caps_unref (src->myth_caps); - src->myth_caps = NULL; - } - src->myth_metaint = gint_value; -#endif - //src->mythtv_caps = gst_caps_new_simple ("application/x-gst_ff-nuv", NULL); - // } - // } -done: - return TRUE; - - /* ERRORS */ -init_failed: - { - if (src->spawn_livetv != NULL ) - g_object_unref( src->spawn_livetv ); - - GST_ELEMENT_ERROR (src, LIBRARY, INIT, - (NULL), ("Could not initialize MythTV library (%i, %s)", ret, src->uri_name)); - return FALSE; - } -begin_req_failed: - { - GST_ELEMENT_ERROR (src, LIBRARY, INIT, - (NULL), ("Could not begin request sent to MythTV server (%i, %s)", ret, src->uri_name)); - return FALSE; - } -} - -#if 0 -static gboolean -gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size) -{ - GstMythtvSrc *src; - gboolean ret = FALSE; - - src = GST_MYTHTV_SRC (bsrc); - - g_static_rec_mutex_lock( &update_size_mutex ); - src->do_start = FALSE; - g_static_rec_mutex_unlock( &update_size_mutex ); - GST_TASK_SIGNAL( update_size_task ); - - - while (1) { - - g_static_rec_mutex_lock( &update_size_mutex ); - if ( !src->do_start ) { - - g_print( "[%s] GET SIZE: do_start? == %s\n", __FUNCTION__, src->do_start ? "YES" : "NO" ); - - GST_TASK_WAIT( update_size_task ); - } else { - if (src->content_size <= 0) { - g_static_rec_mutex_unlock( &update_size_mutex ); - goto done; - } - - *size = src->content_size; - src->do_start = FALSE; - - g_static_rec_mutex_unlock( &update_size_mutex ); - - break; - } - g_static_rec_mutex_unlock( &update_size_mutex ); - - } // while (1) - -done: - return ret; - -} -#endif - -static gboolean -gst_mythtv_src_get_size (GstBaseSrc * bsrc, guint64 * size) -{ - GstMythtvSrc *src; - gboolean ret = TRUE; - - src = GST_MYTHTV_SRC (bsrc); - - if (src->content_size <= 0) - ret= FALSE; - - *size = src->content_size; - - return ret; - -} -/* close the socket and associated resources - * used both to recover from errors and go to NULL state */ - static gboolean -gst_mythtv_src_stop (GstBaseSrc * bsrc) -{ - GstMythtvSrc *src; - - src = GST_MYTHTV_SRC (bsrc); - - if (src->uri_name) { - g_free (src->uri_name); - src->uri_name = NULL; - } - - if (src->mythtv_caps) { - gst_caps_unref (src->mythtv_caps); - src->mythtv_caps = NULL; - } - - src->eos = FALSE; - - return TRUE; -} - - static gboolean -gst_mythtv_src_handle_event (GstPad * pad, GstEvent * event) -{ - GstMythtvSrc *src = GST_MYTHTV_SRC (GST_PAD_PARENT (pad)); - - switch (GST_EVENT_TYPE (event)) { - case GST_EVENT_FLUSH_START: - src->eos = FALSE; - break; - //return TRUE; -#if 0 -case GST_EVENT_FLUSH_STOP: - src->do_start = TRUE; - src->eos = FALSE; - gst_element_set_state (GST_ELEMENT(src), GST_STATE_NULL); - //gst_element_set_locked_state (GST_ELEMENT(src), TRUE); - break; -#endif - case GST_EVENT_SEEK: - { - gdouble rate; - //gboolean update = TRUE; - GstFormat format; - GstSeekType cur_type, stop_type; - GstSeekFlags flags; - gint64 cur = 0, stop = 0; - gst_event_parse_seek ( event, &rate, &format, - &flags, &cur_type, &cur, - &stop_type, &stop ); - - g_print( "[%s] Got EVENT_SEEK.\n", __FUNCTION__ ); - if ( !( flags & GST_SEEK_FLAG_FLUSH ) ) { - g_print( "[%s] Could get the FLAG_FLUSH message.\n", __FUNCTION__ ); - } - //gboolean ret = gst_event_parse_new_segment ( event, - // &update, &rate, &format, &start, &stop, - // &position ); - //GstFlowReturn flow_ret = gst_mythtv_src_create (GST_BASE_SRC( GST_PAD_PARENT( psrc ) ), - // cur, stop - cur + 1, GstBuffer) - - } - default: - return gst_pad_event_default (pad, event); - } - - return gst_pad_event_default (pad, event); -} - - static gboolean -gst_mythtv_src_is_seekable( GstBaseSrc *base_src ) -{ - return TRUE; -} - - static void -gst_mythtv_src_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object); - - GST_OBJECT_LOCK (mythtvsrc); - switch (prop_id) { - case PROP_URI: - case PROP_LOCATION: - { - if (!g_value_get_string (value)) { - GST_WARNING ("location property cannot be NULL"); - goto done; - } - - if (mythtvsrc->uri_name != NULL) { - g_free (mythtvsrc->uri_name); - mythtvsrc->uri_name = NULL; - } - mythtvsrc->uri_name = g_value_dup_string (value); - - break; - } -#ifndef GST_DISABLE_GST_DEBUG - case PROP_MYTHTV_DBG: - { - mythtvsrc->mythtv_msgs_dbg = g_value_get_boolean (value); - break; - } -#endif - case PROP_MYTHTV_VERSION: - { - mythtvsrc->mythtv_version = g_value_get_int (value); - break; - } - case PROP_MYTHTV_LIVEID: - { - mythtvsrc->live_tv_id = g_value_get_int (value); - break; - } - case PROP_MYTHTV_LIVE: - { - mythtvsrc->live_tv = g_value_get_boolean (value); - break; - } - case PROP_MYTHTV_LIVE_CHAINID: - { - if (!g_value_get_string (value)) { - GST_WARNING ("MythTV Live chainid property cannot be NULL"); - goto done; - } - - if (mythtvsrc->live_chain_id != NULL) { - g_free (mythtvsrc->live_chain_id); - mythtvsrc->live_chain_id = NULL; - } - mythtvsrc->live_chain_id = g_value_dup_string (value); - - break; - } - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } - GST_OBJECT_UNLOCK (mythtvsrc); -done: - return; -} - - static void -gst_mythtv_src_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstMythtvSrc *mythtvsrc = GST_MYTHTV_SRC (object); - - GST_OBJECT_LOCK (mythtvsrc); - switch (prop_id) { - case PROP_URI: - case PROP_LOCATION: - { - gchar *str = g_strdup( "" ); - - if ( mythtvsrc->uri_name == NULL ) { - g_free (mythtvsrc->uri_name); - mythtvsrc->uri_name = NULL; - } else { - str = g_strdup( mythtvsrc->uri_name ); - } - g_value_set_string ( value, str ); - break; - } -#ifndef GST_DISABLE_GST_DEBUG - case PROP_MYTHTV_DBG: - g_value_set_boolean ( value, mythtvsrc->mythtv_msgs_dbg ); - break; -#endif - case PROP_MYTHTV_VERSION: - { - g_value_set_int ( value, mythtvsrc->mythtv_version ); - break; - } - case PROP_MYTHTV_LIVEID: - { - g_value_set_int ( value, mythtvsrc->live_tv_id ); - break; - } - case PROP_MYTHTV_LIVE: - g_value_set_boolean ( value, mythtvsrc->live_tv ); - break; - case PROP_MYTHTV_LIVE_CHAINID: - { - gchar *str = g_strdup( "" ); - - if ( mythtvsrc->live_chain_id == NULL ) { - g_free (mythtvsrc->live_chain_id); - mythtvsrc->live_chain_id = NULL; - } else { - str = g_strdup( mythtvsrc->live_chain_id ); - } - g_value_set_string ( value, str ); - break; - } - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } - GST_OBJECT_UNLOCK (mythtvsrc); -} - -/* entry point to initialize the plug-in - * initialize the plug-in itself - * register the element factories and pad templates - * register the features - */ - static gboolean -plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "mythtvsrc", GST_RANK_NONE, - GST_TYPE_MYTHTV_SRC); -} - -/* this is the structure that gst-register looks for - * so keep the name plugin_desc, or you cannot get your plug-in registered */ -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "mythtv", - "lib MythTV src", - plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") - - -/*** GSTURIHANDLER INTERFACE *************************************************/ - static guint -gst_mythtv_src_uri_get_type (void) -{ - return GST_URI_SRC; -} - - static gchar ** -gst_mythtv_src_uri_get_protocols (void) -{ - static gchar *protocols[] = { "myth", "myths", NULL }; - - return protocols; -} - - static const gchar * -gst_mythtv_src_uri_get_uri (GstURIHandler * handler) -{ - GstMythtvSrc *src = GST_MYTHTV_SRC (handler); - - return src->uri_name; -} - - static gboolean -gst_mythtv_src_uri_set_uri (GstURIHandler * handler, const gchar * uri) -{ - GstMythtvSrc *src = GST_MYTHTV_SRC (handler); - - gchar *protocol; - - protocol = gst_uri_get_protocol (uri); - if ((strcmp (protocol, "myth") != 0) && (strcmp (protocol, "myths") != 0)) { - g_free (protocol); - return FALSE; - } - g_free (protocol); - g_object_set (src, "location", uri, NULL); - - return TRUE; -} - - static void -gst_mythtv_src_uri_handler_init (gpointer g_iface, gpointer iface_data) -{ - GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface; - - iface->get_type = gst_mythtv_src_uri_get_type; - iface->get_protocols = gst_mythtv_src_uri_get_protocols; - iface->get_uri = gst_mythtv_src_uri_get_uri; - iface->set_uri = gst_mythtv_src_uri_set_uri; -} - - void -size_header_handler (void *userdata, const char *value) -{ - GstMythtvSrc *src = GST_MYTHTV_SRC (userdata); - - //src->content_size = g_ascii_strtoull (value, NULL, 10); - - GST_DEBUG_OBJECT (src, "content size = %lld bytes", src->content_size); -}