diff -r 28c358053693 -r 8aa32fa19a8f branches/gmyth-0.1b/src/gmyth_recorder.c --- a/branches/gmyth-0.1b/src/gmyth_recorder.c Wed Feb 14 23:06:17 2007 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,654 +0,0 @@ -/** - * GMyth Library - * - * @file gmyth/gmyth_remote_encoder.c - * - * @brief

GMythRecorder class defines functions for playing live tv. - * - * The remote encoder is used by gmyth_tvplayer to setup livetv. - * - * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia. - * @author Hallyson Luiz de Morais Melo - * - *//* - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "gmyth_recorder.h" - -#include - -#include "gmyth_stringlist.h" -#include "gmyth_util.h" -#include "gmyth_debug.h" - -#define GMYTHTV_RECORDER_HEADER "QUERY_RECORDER" - -static void gmyth_recorder_class_init (GMythRecorderClass *klass); -static void gmyth_recorder_init (GMythRecorder *object); - -static void gmyth_recorder_dispose (GObject *object); -static void gmyth_recorder_finalize (GObject *object); - -G_DEFINE_TYPE(GMythRecorder, gmyth_recorder, G_TYPE_OBJECT) - -static void -gmyth_recorder_class_init (GMythRecorderClass *klass) -{ - GObjectClass *gobject_class; - - gobject_class = (GObjectClass *) klass; - - gobject_class->dispose = gmyth_recorder_dispose; - gobject_class->finalize = gmyth_recorder_finalize; -} - -static void -gmyth_recorder_init (GMythRecorder *gmyth_remote_encoder) -{ -} - -static void -gmyth_recorder_dispose (GObject *object) -{ - // GMythRecorder *gmyth_remote_encoder = GMYTH_RECORDER(object); - - G_OBJECT_CLASS (gmyth_recorder_parent_class)->dispose (object); -} - - -static void -gmyth_recorder_finalize (GObject *object) -{ - g_signal_handlers_destroy (object); - - GMythRecorder *recorder = GMYTH_RECORDER(object); - - gmyth_debug ("[%s] Closing control socket", __FUNCTION__); - gmyth_socket_close_connection(recorder->myth_socket); - g_object_unref (recorder->myth_socket); - - G_OBJECT_CLASS (gmyth_recorder_parent_class)->finalize (object); -} - -/** Creates a new instance of GMythRecorder. - * - * @return a new instance of GMythRecorder. - */ -GMythRecorder* -gmyth_recorder_new (int num, GString *hostname, gshort port) -{ - GMythRecorder *encoder = GMYTH_RECORDER ( g_object_new ( - GMYTH_RECORDER_TYPE, FALSE )); - - encoder->recorder_num = num; - encoder->hostname = g_string_new (hostname->str); - encoder->port = port; - - return encoder; -} - -/** Configures the remote encoder instance connecting it to Mythtv backend. - * - * @param recorder the GMythRecorder instance. - * @return TRUE if successfull, FALSE if any error happens. - */ -gboolean -gmyth_recorder_setup (GMythRecorder *recorder) -{ - assert (recorder); - gmyth_debug ("[%s] Creating socket and connecting to backend", __FUNCTION__); - - if (recorder->myth_socket == NULL) { - - recorder->myth_socket = gmyth_socket_new (); - - if (!gmyth_socket_connect_to_backend ( recorder->myth_socket, recorder->hostname->str, - recorder->port, TRUE ) ) { - g_warning ("GMythRemoteEncoder: Connection to backend failed"); - return FALSE; - } - - } else { - g_warning("Remote encoder socket already created\n"); - } - - return TRUE; -} - -/** Sends the SPAWN_LIVETV command through Mythtv protocol. This command - * requests the backend to start capturing TV content. - * - * @param recorder The GMythRecorder instance. - * @param tvchain_id The tvchain unique id. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_spawntv (GMythRecorder *recorder, GString *tvchain_id) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] Spawntv with tvchain_id = %s", __FUNCTION__, tvchain_id->str); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("SPAWN_LIVETV")); - gmyth_string_list_append_string (str_list, tvchain_id); - gmyth_string_list_append_int (str_list, 0); // PIP = FALSE (0) - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] Spawntv request returned %s", __FUNCTION__, tmp_str->str); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2)) { - g_warning ("[%s] Spawntv request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** - * Sends the SPAWN_LIVETV command through Mythtv protocol. This command - * requests the backend to start capturing TV content, but it doesn't need - * the TV chain ID. - * - * @param recorder The GMythRecorder instance. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_spawntv_no_tvchain (GMythRecorder *recorder) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] Spawntv, no TV chain!", __FUNCTION__); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("SPAWN_LIVETV")); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] Spawntv request returned %s", __FUNCTION__, tmp_str->str); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2)) { - g_warning ("[%s] Spawntv request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** Sends the command STOP_LIVETV to Mythtv backend. - * - * @param recorder the GMythRecorder instance. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_stop_livetv (GMythRecorder *recorder) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s]", __FUNCTION__); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - gmyth_string_list_append_char_array( str_list, "STOP_LIVETV" ); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2)) { - g_warning ("[%s] Stop livetv request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** Sends the FRONTEND_READY command through Mythtv protocol. This command - * advertises the backend to start capturing TV content. - * - * @param recorder The GMythRecorder instance. - * @return TRUE if success, FALSE if any error happens. - */ -gboolean -gmyth_recorder_send_frontend_ready_command (GMythRecorder *recorder) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ( "[%s] FRONTEND_READY with recorder id = %d", __FUNCTION__, recorder->recorder_num ); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("FRONTEND_READY")); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] FRONTEND_READY command request couldn't returns, reason: %s", __FUNCTION__, tmp_str->str); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2)) { - g_warning ("[%s] FRONTEND_READY request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** Send a CHECK_CHANNEL command request to the backend, in order to find if a - * certain channel actually exists. - * - * @param recorder The GMythRecorder instance. - * @param channel The new channel to be checked (string format). - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_check_channel_name (GMythRecorder *recorder, gchar* channel) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] CHECK_CHANNEL with channel = %s", __FUNCTION__, channel); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("CHECK_CHANNEL")); - gmyth_string_list_append_char_array (str_list, channel); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] CHECK_CHANNEL request returned %s", __FUNCTION__, tmp_str->str); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2) == 0 || g_ascii_strncasecmp (tmp_str->str, "0", 1) == 0 ) { - g_warning ("[%s] CHECK_CHANNEL request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** Send a CHECK_CHANNEL command request to the backend, in order to find if a - * certain channel actually exists. - * - * @param recorder The GMythRecorder instance. - * @param channel The new channel to be checked (decimal integer value). - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_check_channel (GMythRecorder *recorder, gint channel) -{ - return gmyth_recorder_check_channel_name( recorder, g_strdup_printf( "%d", channel ) ); -} - -/** Send a SET_CHANNEL command request to the backend, to start streaming on another - * TV content channel. - * - * @param recorder The GMythRecorder instance. - * @param channel The new channel to be loaded. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_set_channel (GMythRecorder *recorder, gint channel) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] SET_CHANNEL with channel = %d", __FUNCTION__, channel); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("SET_CHANNEL")); - gmyth_string_list_append_int (str_list, channel); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] SET_CHANNEL request returned %s", __FUNCTION__, tmp_str->str); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2)) { - g_warning ("[%s] SET_CHANNEL request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** Send a SET_CHANNEL command request to the backend, to start streaming on another - * TV content channel. - * - * @param recorder The GMythRecorder instance. - * @param channel The new channel to be loaded. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_set_channel_name (GMythRecorder *recorder, const gchar* channel) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] SET_CHANNEL with channel name = %s", __FUNCTION__, channel); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("SET_CHANNEL")); - gmyth_string_list_append_char_array (str_list, channel); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] SET_CHANNEL name request returned %s", __FUNCTION__, tmp_str->str ); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2) || g_ascii_strtoull( tmp_str->str, NULL, 10 ) == 0 ) { - g_warning ("[%s] SET_CHANNEL name request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** - * Changes the channel of the actual Recorder. - * - * CHANNEL_DIRECTION_UP - Go up one channel in the listing - * - * CHANNEL_DIRECTION_DOWN - Go down one channel in the listing - * - * CHANNEL_DIRECTION_FAVORITE - Go to the next favorite channel - * - * CHANNEL_DIRECTION_SAME - Stay - * - * @param recorder The GMythRecorder instance. - * @param direction The new channel direction where to move to. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_change_channel (GMythRecorder *recorder, const GMythRecorderChannelChangeDirection direction) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] CHANGE_CHANNEL to the channel direction = %u", __FUNCTION__, direction); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("CHANGE_CHANNEL")); - gmyth_string_list_append_int (str_list, direction); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] CHANGE_CHANNEL name request returned %s", __FUNCTION__, tmp_str->str ); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2) || g_ascii_strtoull( tmp_str->str, NULL, 10 ) == 0 ) { - g_warning ("[%s] CHANGE_CHANNEL name request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** Send a PAUSE command request to the backend, to pause streaming on another - * TV content channel. - * - * @param recorder The GMythRecorder instance. - * @return true if success, false if any error happens. - */ -gboolean -gmyth_recorder_pause_recording ( GMythRecorder *recorder ) -{ - GMythStringList *str_list; - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - gmyth_debug ("[%s] PAUSE", __FUNCTION__); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - gmyth_string_list_append_string (str_list, g_string_new ("PAUSE")); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - tmp_str = gmyth_string_list_get_string (str_list, 0); - if (tmp_str == NULL) { - g_warning ("[%s] PAUSE name request returned %s", __FUNCTION__, tmp_str->str); - return FALSE; - } - - if (g_ascii_strncasecmp (tmp_str->str, "ok", 2)) { - g_warning ("[%s] PAUSE name request returned %s", __FUNCTION__, tmp_str->str); - g_object_unref (str_list); - return FALSE; - } - - g_object_unref (str_list); - return TRUE; - -} - -/** - * Requests the actual program info from the MythTV backend server. - * - * @param recorder The GMythRecorder instance. - * @return The actual program info. - */ -GMythProgramInfo * -gmyth_recorder_get_current_program_info ( GMythRecorder *recorder ) -{ - GMythStringList *str_list; - GMythProgramInfo *program_info = gmyth_program_info_new(); - GString *tmp_str = g_string_new( GMYTHTV_RECORDER_HEADER ); - - str_list = gmyth_string_list_new (); - - g_string_append_printf ( tmp_str, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, tmp_str); - - if ( recorder->myth_socket->mythtv_version >= 26 ) - gmyth_string_list_append_string (str_list, g_string_new ("GET_CURRENT_RECORDING")); - else - gmyth_string_list_append_string (str_list, g_string_new ("GET_PROGRAM_INFO")); - - gmyth_socket_sendreceive_stringlist (recorder->myth_socket, str_list); - - g_string_free (tmp_str, TRUE); - - if (str_list == NULL) { - g_warning ("[%s] GET_PROGRAM_INFO request returned. Error getting program info, string list equals to NULL!", __FUNCTION__); - return FALSE; - } - - program_info = gmyth_program_info_from_string_list( str_list ); - - if ( NULL == program_info ) { - g_warning ("[%s] GET_PROGRAM_INFO request returned. Error getting program info, it is equals to NULL!!!", __FUNCTION__); - g_object_unref (program_info); - return NULL; - } - - g_object_unref (str_list); - return program_info; - -} - -gint64 -gmyth_recorder_get_file_position ( GMythRecorder *recorder ) -{ - gint64 pos = 0; - GString *query = g_string_new( GMYTHTV_RECORDER_HEADER ); - - GMythStringList *str_list = gmyth_string_list_new (); - - g_string_append_printf( query, " %d", recorder->recorder_num ); - - gmyth_string_list_append_string (str_list, query); - gmyth_string_list_append_char_array( str_list, "GET_FILE_POSITION" ); - - gmyth_socket_sendreceive_stringlist ( recorder->myth_socket, str_list ); - - if ( str_list != NULL && gmyth_string_list_length(str_list) > 0 ) - { - GString *str = NULL; - if ( ( str = gmyth_string_list_get_string( str_list, 0 ) ) != NULL && strstr ( str->str, "bad" ) == NULL ) - pos = gmyth_util_decode_long_long( str_list, 0 ); - } - -#ifndef GMYTHTV_ENABLE_DEBUG - g_print( "[%s] Got file position = %lld\n", __FUNCTION__, pos ); -#endif - if (str_list!=NULL) - g_object_unref (str_list); - - return pos; - -} - -gboolean -gmyth_recorder_is_recording ( GMythRecorder *recorder ) -{ - gboolean ret = TRUE; - - g_return_val_if_fail( recorder != NULL, FALSE ); - - GMythStringList *str_list = gmyth_string_list_new (); - GString *message = g_string_new (""); - - g_string_printf( message, "%s %d", GMYTHTV_RECORDER_HEADER, recorder->recorder_num); - gmyth_string_list_append_string (str_list, message); - gmyth_string_list_append_string (str_list, g_string_new ("IS_RECORDING")); - - gmyth_socket_sendreceive_stringlist ( recorder->myth_socket, str_list ); - - if ( str_list != NULL && gmyth_string_list_length(str_list) > 0 ) - { - GString *str = NULL; - if ( ( str = gmyth_string_list_get_string( str_list, 0 ) ) != NULL && strcmp( str->str, "bad" )!= 0 ) - { - gint is_rec = gmyth_string_list_get_int( str_list, 0 ); - if ( is_rec != 0 ) - ret = TRUE; - else - ret = FALSE; - } - } - gmyth_debug( "%s, stream is %s being recorded!\n", ret ? "YES" : "NO", ret ? "" : "NOT" ); - //g_static_mutex_unlock (&mutex); - - if ( str_list != NULL ) - g_object_unref (str_list); - - return ret; - -}