2002-04-28 17:08:59 +00:00
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/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstfilesink.c:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/gst.h>
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#include <errno.h>
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#include "gstfilesink.h"
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#include <string.h>
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GstElementDetails gst_filesink_details = {
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"File Sink",
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"Sink/File",
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"Write stream to a file",
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VERSION,
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"Thomas <thomas@apestaart.org>",
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"(C) 2001"
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};
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/* FileSink signals and args */
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enum {
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/* FILL ME */
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SIGNAL_HANDOFF,
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LAST_SIGNAL
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};
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enum {
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ARG_0,
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ARG_LOCATION,
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ARG_MAXFILESIZE,
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};
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static void gst_filesink_class_init (GstFileSinkClass *klass);
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static void gst_filesink_init (GstFileSink *filesink);
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static void gst_filesink_set_property (GObject *object, guint prop_id,
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const GValue *value, GParamSpec *pspec);
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static void gst_filesink_get_property (GObject *object, guint prop_id,
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GValue *value, GParamSpec *pspec);
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static gboolean gst_filesink_open_file (GstFileSink *sink);
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static void gst_filesink_close_file (GstFileSink *sink);
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static gboolean gst_filesink_handle_event (GstPad *pad, GstEvent *event);
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static void gst_filesink_chain (GstPad *pad,GstBuffer *buf);
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static GstElementStateReturn gst_filesink_change_state (GstElement *element);
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static GstElementClass *parent_class = NULL;
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static guint gst_filesink_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_filesink_get_type (void)
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{
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static GType filesink_type = 0;
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if (!filesink_type) {
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static const GTypeInfo filesink_info = {
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sizeof(GstFileSinkClass), NULL,
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NULL,
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(GClassInitFunc)gst_filesink_class_init,
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NULL,
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NULL,
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sizeof(GstFileSink),
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0,
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(GInstanceInitFunc)gst_filesink_init,
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};
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filesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFileSink", &filesink_info, 0);
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}
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return filesink_type;
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}
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static void
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gst_filesink_class_init (GstFileSinkClass *klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass*)klass;
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gstelement_class = (GstElementClass*)klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gst_element_class_install_std_props (
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GST_ELEMENT_CLASS (klass),
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"location", ARG_LOCATION, G_PARAM_READWRITE,
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NULL);
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g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MAXFILESIZE,
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g_param_spec_int("maxfilesize","MaxFileSize","Maximum Size Per File",
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G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
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gst_filesink_signals[SIGNAL_HANDOFF] =
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g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GstFileSinkClass, handoff), NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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gobject_class->set_property = gst_filesink_set_property;
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gobject_class->get_property = gst_filesink_get_property;
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gstelement_class->change_state = gst_filesink_change_state;
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}
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static void
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gst_filesink_init (GstFileSink *filesink)
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{
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GstPad *pad;
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pad = gst_pad_new ("sink", GST_PAD_SINK);
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gst_element_add_pad (GST_ELEMENT (filesink), pad);
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gst_pad_set_chain_function (pad, gst_filesink_chain);
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GST_FLAG_SET (GST_ELEMENT(filesink), GST_ELEMENT_EVENT_AWARE);
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gst_pad_set_event_function(pad, gst_filesink_handle_event);
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filesink->filename = NULL;
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filesink->file = NULL;
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filesink->filenum = 0;
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filesink->maxfilesize = -1;
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}
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static char *
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gst_filesink_getcurrentfilename (GstFileSink *filesink)
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{
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g_return_val_if_fail(filesink != NULL, NULL);
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g_return_val_if_fail(GST_IS_FILESINK(filesink), NULL);
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if (filesink->filename == NULL) return NULL;
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g_return_val_if_fail(filesink->filenum >= 0, NULL);
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if (!strstr(filesink->filename, "%"))
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{
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if (!filesink->filenum)
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return g_strdup(filesink->filename);
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else
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return NULL;
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}
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return g_strdup_printf(filesink->filename, filesink->filenum);
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}
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static void
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gst_filesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
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{
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GstFileSink *sink;
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/* it's not null if we got it, but it might not be ours */
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sink = GST_FILESINK (object);
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switch (prop_id) {
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case ARG_LOCATION:
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/* the element must be stopped or paused in order to do this */
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g_return_if_fail ((GST_STATE (sink) < GST_STATE_PLAYING)
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|| (GST_STATE (sink) == GST_STATE_PAUSED));
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if (sink->filename)
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g_free (sink->filename);
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sink->filename = g_strdup (g_value_get_string (value));
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if ( (GST_STATE (sink) == GST_STATE_PAUSED)
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&& (sink->filename != NULL))
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{
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gst_filesink_close_file (sink);
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gst_filesink_open_file (sink);
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}
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break;
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case ARG_MAXFILESIZE:
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sink->maxfilesize = g_value_get_int(value);
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break;
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default:
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break;
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}
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}
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static void
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gst_filesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
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{
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GstFileSink *sink;
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/* it's not null if we got it, but it might not be ours */
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g_return_if_fail (GST_IS_FILESINK (object));
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sink = GST_FILESINK (object);
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switch (prop_id) {
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case ARG_LOCATION:
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g_value_set_string (value, gst_filesink_getcurrentfilename(sink));
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break;
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case ARG_MAXFILESIZE:
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g_value_set_int (value, sink->maxfilesize);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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gst_filesink_open_file (GstFileSink *sink)
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{
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g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN), FALSE);
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/* open the file */
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if (!gst_filesink_getcurrentfilename(sink))
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{
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/* Out of files */
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gst_element_set_eos(GST_ELEMENT(sink));
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return FALSE;
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}
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sink->file = fopen (gst_filesink_getcurrentfilename(sink), "w");
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if (sink->file == NULL) {
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perror ("open");
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gst_element_error (GST_ELEMENT (sink), g_strconcat("Error opening file \"",
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gst_filesink_getcurrentfilename(sink), "\": ", sys_errlist[errno], NULL));
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return FALSE;
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}
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GST_FLAG_SET (sink, GST_FILESINK_OPEN);
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sink->data_written = 0;
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return TRUE;
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}
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static void
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gst_filesink_close_file (GstFileSink *sink)
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{
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g_return_if_fail (GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN));
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if (fclose (sink->file) != 0)
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{
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perror ("close");
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gst_element_error (GST_ELEMENT (sink), g_strconcat("Error closing file \"",
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gst_filesink_getcurrentfilename(sink), "\": ", sys_errlist[errno], NULL));
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}
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else {
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GST_FLAG_UNSET (sink, GST_FILESINK_OPEN);
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}
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}
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/* handle events (search) */
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static gboolean
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gst_filesink_handle_event (GstPad *pad, GstEvent *event)
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{
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GstEventType type;
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GstFileSink *filesink;
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filesink = GST_FILESINK (gst_pad_get_parent (pad));
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type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
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switch (type) {
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case GST_EVENT_SEEK:
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/* we need to seek */
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2002-05-26 21:54:27 +00:00
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if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH)
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2002-04-28 17:08:59 +00:00
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if (fflush(filesink->file))
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gst_element_error(GST_ELEMENT(filesink),
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"Error flushing the buffer cache of file \'%s\' to disk: %s",
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gst_filesink_getcurrentfilename(filesink), sys_errlist[errno]);
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2002-05-26 21:54:27 +00:00
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if (GST_EVENT_SEEK_FORMAT (event) != GST_FORMAT_BYTES) {
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g_warning("Any other then byte-offset seeking is not supported!\n");
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}
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switch (GST_EVENT_SEEK_METHOD(event))
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2002-04-28 17:08:59 +00:00
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{
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2002-05-26 21:54:27 +00:00
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case GST_SEEK_METHOD_SET:
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2002-04-28 17:08:59 +00:00
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fseek(filesink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_SET);
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break;
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2002-05-26 21:54:27 +00:00
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case GST_SEEK_METHOD_CUR:
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2002-04-28 17:08:59 +00:00
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fseek(filesink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_CUR);
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break;
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2002-05-26 21:54:27 +00:00
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case GST_SEEK_METHOD_END:
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2002-04-28 17:08:59 +00:00
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fseek(filesink->file, GST_EVENT_SEEK_OFFSET(event), SEEK_END);
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break;
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default:
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2002-05-26 21:54:27 +00:00
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g_warning("unkown seek method!\n");
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2002-04-28 17:08:59 +00:00
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break;
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}
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break;
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2002-06-08 15:00:30 +00:00
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case GST_EVENT_DISCONTINUOUS:
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{
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gint64 offset;
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if (gst_event_discont_get_value (event, GST_FORMAT_BYTES, &offset))
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fseek(filesink->file, offset, SEEK_SET);
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gst_event_free (event);
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break;
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}
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2002-04-28 17:08:59 +00:00
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case GST_EVENT_NEW_MEDIA:
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/* we need to open a new file! */
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gst_filesink_close_file(filesink);
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filesink->filenum++;
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if (!gst_filesink_open_file(filesink)) return FALSE;
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break;
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case GST_EVENT_FLUSH:
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if (fflush(filesink->file))
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gst_element_error(GST_ELEMENT(filesink),
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"Error flushing the buffer cache of file \'%s\' to disk: %s",
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gst_filesink_getcurrentfilename(filesink), sys_errlist[errno]);
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break;
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default:
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gst_pad_event_default (pad, event);
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break;
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}
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return TRUE;
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}
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/**
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* gst_filesink_chain:
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* @pad: the pad this filesink is connected to
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* @buf: the buffer that has to be absorbed
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*
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* take the buffer from the pad and write to file if it's open
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*/
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static void
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gst_filesink_chain (GstPad *pad, GstBuffer *buf)
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{
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GstFileSink *filesink;
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gint bytes_written = 0;
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g_return_if_fail (pad != NULL);
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (buf != NULL);
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filesink = GST_FILESINK (gst_pad_get_parent (pad));
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if (GST_IS_EVENT(buf))
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{
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gst_filesink_handle_event(pad, GST_EVENT(buf));
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return;
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}
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if (filesink->maxfilesize > 0)
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{
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if ((filesink->data_written + GST_BUFFER_SIZE(buf))/(1024*1024) > filesink->maxfilesize)
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{
|
|
|
|
if (GST_ELEMENT_IS_EVENT_AWARE(GST_ELEMENT(filesink)))
|
|
|
|
{
|
|
|
|
GstEvent *event;
|
|
|
|
event = gst_event_new(GST_EVENT_NEW_MEDIA);
|
|
|
|
gst_pad_send_event(pad, event);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN))
|
|
|
|
{
|
|
|
|
bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), filesink->file);
|
|
|
|
if (bytes_written < GST_BUFFER_SIZE (buf))
|
|
|
|
{
|
|
|
|
printf ("filesink : Warning : %d bytes should be written, only %d bytes written\n",
|
|
|
|
GST_BUFFER_SIZE (buf), bytes_written);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
filesink->data_written += GST_BUFFER_SIZE(buf);
|
|
|
|
|
|
|
|
gst_buffer_unref (buf);
|
|
|
|
|
|
|
|
g_signal_emit (G_OBJECT (filesink), gst_filesink_signals[SIGNAL_HANDOFF], 0,
|
|
|
|
filesink);
|
|
|
|
}
|
|
|
|
|
|
|
|
static GstElementStateReturn
|
|
|
|
gst_filesink_change_state (GstElement *element)
|
|
|
|
{
|
|
|
|
g_return_val_if_fail (GST_IS_FILESINK (element), GST_STATE_FAILURE);
|
|
|
|
|
|
|
|
if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
|
|
|
|
if (GST_FLAG_IS_SET (element, GST_FILESINK_OPEN))
|
|
|
|
gst_filesink_close_file (GST_FILESINK (element));
|
|
|
|
} else {
|
|
|
|
if (!GST_FLAG_IS_SET (element, GST_FILESINK_OPEN)) {
|
|
|
|
if (!gst_filesink_open_file (GST_FILESINK (element)))
|
|
|
|
return GST_STATE_FAILURE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (GST_ELEMENT_CLASS (parent_class)->change_state)
|
|
|
|
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
|
|
|
|
|
|
|
|
return GST_STATE_SUCCESS;
|
|
|
|
}
|
|
|
|
|