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-rw-r--r--src/writer.c241
1 files changed, 0 insertions, 241 deletions
diff --git a/src/writer.c b/src/writer.c
deleted file mode 100644
index 43e60b4..0000000
--- a/src/writer.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * gstdvbbackend
- *
- * gstdvbbackend is a small programm which captures a given set of dvb
- * channels from one dvb device and provides the streams via minimal http.
- *
- *
- * Copyright (C) 2011 Christian Pointner <equinox@spreadspace.org>
- *
- * This file is part of gstdvbbackend.
- *
- * gstdvbbackend is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * any later version.
- *
- * gstdvbbackend 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 General Public License
- * along with gstdvbbackend. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <gst/gst.h>
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#include <time.h>
-
-#include "writer.h"
-
-#include "datatypes.h"
-#include "log.h"
-#include "file_list.h"
-
-static int init_time_boundaries(writer_t* writer)
-{
- if(!writer)
- return;
-
- struct timespec now;
- clock_gettime(CLOCK_REALTIME, &now);
-
- struct tm bd_time;
- localtime_r(&(now.tv_sec), &bd_time);
-
- writer->current_ = file_list_add(&(writer->files_), &bd_time, "current", writer->name_format_, writer->output_dir_, writer->mode_);
- if(writer->current_ == NULL) return -2;
-
- bd_time.tm_sec = 0;
- bd_time.tm_min = 0;
- time_t T = mktime(&bd_time);
- T+=3600;
- localtime_r(&T, &bd_time);
-
- struct timespec b = { T, 0 };
- writer->next_boundary_ = b;
-
- writer->next_ = file_list_add(&(writer->files_), &bd_time, "next", writer->name_format_, writer->output_dir_, writer->mode_);
- if(writer->next_ == NULL) return -2;
-
- return 0;
-}
-
-static void added_cb(GstElement* sink, gint fd, gpointer data)
-{
- gint num_fds;
- g_object_get(G_OBJECT(sink), "num_fds", &num_fds, NULL);
- log_printf(INFO, "fdsink: successfully added client %d (sink has now %d fds)", fd, num_fds);
-}
-
-static void removed_cb(GstElement* sink, gint fd, gpointer data)
-{
- gint num_fds;
- g_object_get(G_OBJECT(sink), "num_fds", &num_fds, NULL);
- log_printf(INFO, "fdsink: successfully removed client %d (sink has now %d fds)", fd, num_fds);
-}
-
-static void fdremoved_cb(GstElement* sink, gint fd, gpointer data)
-{
- gint num_fds;
- g_object_get(G_OBJECT(sink), "num_fds", &num_fds, NULL);
- log_printf(INFO, "fdsink: successfully removed fd %d (sink has now %d fds)", fd, num_fds);
-
- writer_t *writer = (writer_t*)data;
- if(writer->post_process_)
- file_list_call_post_process(&(writer->files_), fd, writer->post_process_);
- else
- file_list_remove(&(writer->files_), fd);
-}
-
-int writer_init(writer_t* writer, GMainLoop *loop, const char* name_format, mode_t mode, const char* output_dir, int interval, int offset, const char* post_process)
-{
- if(!writer)
- return -1;
-
- writer->loop_ = loop;
- writer->sink_ = gst_element_factory_make("multifdsink", "writer");
- if(!writer->sink_) {
- log_printf(ERROR, "the writer object could not be created. Exiting.");
- return -1;
- }
- // TODO: how the heck should we get the right value? 3 means keyframe...
- g_object_set(G_OBJECT(writer->sink_), "recover-policy", 3, NULL);
- g_signal_connect(G_OBJECT(writer->sink_), "client-added", G_CALLBACK(added_cb), writer);
- g_signal_connect(G_OBJECT(writer->sink_), "client-removed", G_CALLBACK(removed_cb), writer);
- g_signal_connect(G_OBJECT(writer->sink_), "client-fd-removed", G_CALLBACK(fdremoved_cb), writer);
-
- writer->clock_ = gst_system_clock_obtain();
- if(!writer->clock_) {
- log_printf(ERROR, "unable to obtain the system clock");
- return -1;
- }
- writer->name_format_ = name_format;
- writer->mode_ = mode;
- writer->output_dir_ = output_dir;
- writer->interval_ = interval * GST_MSECOND;
- writer->offset_ = offset * GST_MSECOND;
- writer->post_process_ = post_process;
- writer->clock_id_ = NULL;
- writer->thread_ = NULL;
- int ret = file_list_init(&(writer->files_));
- if(ret) return ret;
-
- return init_time_boundaries(writer);
-}
-
-static void add_fd(writer_t* writer, int fd)
-{
- log_printf(INFO, "adding fd %d to fdsink", fd);
- g_signal_emit_by_name(G_OBJECT(writer->sink_), "add", fd, NULL);
-}
-
-static void remove_fd(writer_t* writer, int fd)
-{
- log_printf(INFO, "removing fd %d from fdsink", fd);
- g_signal_emit_by_name(G_OBJECT(writer->sink_), "remove-flush", fd, NULL);
-}
-
-static int check_boundaries(writer_t* writer)
-{
- struct timespec now;
- clock_gettime(CLOCK_REALTIME, &now);
-
- GstClockTime tmp = GST_TIMESPEC_TO_TIME(now);
- GstClockTime boundary = GST_TIMESPEC_TO_TIME(writer->next_boundary_);
- tmp -= writer->offset_;
- if(tmp >= boundary) {
- struct tm now_bd;
- localtime_r(&(now.tv_sec), &now_bd);
- log_printf(INFO, "boundary reached! it's now: %02d:%02d:%02d.%06d on %d.%d.%d%s (%d ms offset)", now_bd.tm_hour, now_bd.tm_min, now_bd.tm_sec, now.tv_nsec/1000, now_bd.tm_mday, now_bd.tm_mon+1, now_bd.tm_year+1900, now_bd.tm_isdst > 0 ? " (DST)": "", GST_TIME_AS_MSECONDS(writer->offset_));
-
- int ret = open_file(writer->next_);
- if(ret) return ret; // TODO: stop writer on open_file error ???
-
- add_fd(writer, writer->next_->fd_);
- remove_fd(writer, writer->current_->fd_);
-
- int old_fd = writer->current_->fd_;
- writer->current_ = writer->next_;
-
- writer->next_boundary_.tv_sec += 3600;
- struct tm bd_time;
- localtime_r(&(writer->next_boundary_.tv_sec), &bd_time);
-
- writer->next_ = file_list_add(&(writer->files_), &bd_time, "next", writer->name_format_, writer->output_dir_, writer->mode_);
- if(writer->next_ == NULL) return -2;
- }
-
- return 0;
-}
-
-static gpointer writer_thread_func(gpointer data)
-{
- writer_t *writer = (writer_t*)data;
- log_printf(NOTICE, "writer thread started");
-
- GstBuffer* buf = NULL;
- for(;;) {
- GstClockReturn wret = gst_clock_id_wait(writer->clock_id_, NULL);
- if(GST_CLOCK_UNSCHEDULED == wret)
- break;
- if(GST_CLOCK_EARLY == wret)
- continue;
-
- int ret = check_boundaries(writer);
- if(ret) break;
-
- ret = file_list_waitpid(&(writer->files_));
- if(ret) break;
- }
-
- log_printf(NOTICE, "writer thread stopped");
- g_main_loop_quit(writer->loop_);
- return NULL;
-}
-
-int writer_start(writer_t* writer)
-{
- if(!writer)
- return -1;
-
- int ret = open_file(writer->current_);
- if(ret)
- return ret;
-
- add_fd(writer, writer->current_->fd_);
-
- writer->clock_id_ = gst_clock_new_periodic_id(writer->clock_, 0, writer->interval_);
- if(!writer->clock_id_) {
- log_printf(ERROR, "clock id could not be created");
- return -1;
- }
- writer->thread_ = g_thread_create(writer_thread_func, writer, TRUE, NULL);
- if(!writer->thread_) {
- log_printf(ERROR, "writer thread could not be started");
- return -1;
- }
-
- return 0;
-}
-
-void writer_stop(writer_t* writer)
-{
- if(!writer)
- return;
-
- file_list_clear(&(writer->files_));
- if(writer->clock_id_) {
- gst_clock_id_unschedule(writer->clock_id_);
- }
- if(writer->thread_) {
- log_printf(NOTICE, "waiting for writer thread to stop");
- g_thread_join(writer->thread_);
- }
- gst_object_unref(GST_OBJECT(writer->clock_));
-}
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