diff -r 00c73ffe40ad -r 7c409a042a9a gst-plugins-mythtv/src/gstmythtvsrc.c.new --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst-plugins-mythtv/src/gstmythtvsrc.c.new Thu Sep 28 15:57:27 2006 +0100 @@ -0,0 +1,1033 @@ +/* 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); +}