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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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first stab at a disk sink element no optimization, is it necessary ? basic error checking seems to work; you can copy...
Original commit message from CVS: * first stab at a disk sink element * no optimization, is it necessary ? * basic error checking * seems to work; you can copy files by typing gstreamer-launch disksrc location=test.in ! disksink location=test.out * decode of mp3 to raw pcm also tested
This commit is contained in:
Thomas Vander Stichele
parent
18a4283a4e
commit
24db50efc9
4 changed files with 648 additions and 0 deletions
245
gst/elements/gstdisksink.c
Normal file
245
gst/elements/gstdisksink.c
Normal file
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@ -0,0 +1,245 @@
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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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* gstdisksink.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 "gstdisksink.h"
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GstElementDetails gst_disksink_details = {
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"Disk Sink",
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"Sink",
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"Disk hole for data",
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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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/* DiskSink 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_CLOSED/*,
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ARG_SILENT,
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ARG_BYTESPERWRITE,
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ARG_NUM_SOURCES,
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*/
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};
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static void gst_disksink_class_init (GstDiskSinkClass *klass);
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static void gst_disksink_init (GstDiskSink *disksink);
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static void gst_disksink_set_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_disksink_get_arg (GtkObject *object, GtkArg *arg, guint id);
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static void gst_disksink_chain (GstPad *pad,GstBuffer *buf);
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static GstElementClass *parent_class = NULL;
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static guint gst_disksink_signals[LAST_SIGNAL] = { 0 };
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GtkType
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gst_disksink_get_type (void)
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{
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static GtkType disksink_type = 0;
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if (!disksink_type) {
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static const GtkTypeInfo disksink_info = {
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"GstDiskSink",
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sizeof(GstDiskSink),
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sizeof(GstDiskSinkClass),
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(GtkClassInitFunc)gst_disksink_class_init,
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(GtkObjectInitFunc)gst_disksink_init,
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(GtkArgSetFunc)gst_disksink_set_arg,
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(GtkArgGetFunc)gst_disksink_get_arg,
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(GtkClassInitFunc)NULL, /* QUESTION : why null ? otherwise coredump */
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};
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disksink_type = gtk_type_unique (GST_TYPE_ELEMENT, &disksink_info);
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}
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return disksink_type;
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}
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static void
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gst_disksink_class_init (GstDiskSinkClass *klass)
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{
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GtkObjectClass *gtkobject_class;
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gtkobject_class = (GtkObjectClass*)klass;
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parent_class = gtk_type_class (GST_TYPE_ELEMENT);
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gtk_object_add_arg_type ("GstDiskSink::location", GST_TYPE_FILENAME,
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GTK_ARG_READWRITE, ARG_LOCATION);
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/*
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gtk_object_add_arg_type ("GstDiskSink::silent", GTK_TYPE_BOOL,
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GTK_ARG_READWRITE, ARG_SILENT);
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*/
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gtk_object_add_arg_type ("GstDiskSink::closed", GTK_TYPE_BOOL,
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GTK_ARG_READWRITE, ARG_CLOSED);
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gst_disksink_signals[SIGNAL_HANDOFF] =
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gtk_signal_new ("handoff", GTK_RUN_LAST, gtkobject_class->type,
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GTK_SIGNAL_OFFSET (GstDiskSinkClass, handoff),
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gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0);
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gtk_object_class_add_signals (gtkobject_class, gst_disksink_signals,
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LAST_SIGNAL);
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gtkobject_class->set_arg = gst_disksink_set_arg;
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gtkobject_class->get_arg = gst_disksink_get_arg;
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}
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static void
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gst_disksink_init (GstDiskSink *disksink)
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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 (disksink), pad);
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gst_pad_set_chain_function (pad, gst_disksink_chain);
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disksink->opened = FALSE;
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disksink->filename = NULL;
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disksink->file = NULL;
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// disksink->silent = FALSE; ? what's this ? it's for output !
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}
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static void
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gst_disksink_set_arg (GtkObject *object, GtkArg *arg, guint id)
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{
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GstDiskSink *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_DISKSINK (object);
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switch(id) {
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case ARG_LOCATION:
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/* the element must be stopped in order to do this */
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g_return_if_fail (GST_STATE (sink) < GST_STATE_PLAYING);
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if (sink->filename) g_free (sink->filename);
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sink->filename = g_strdup (GTK_VALUE_STRING (*arg));
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sink->file = fopen (GTK_VALUE_STRING (*arg), "w");
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if (sink->file == NULL)
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{
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g_error ("Cannot open %s for writing !\n", GTK_VALUE_STRING (*arg));
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//exit (-2);
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}
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else sink->opened = TRUE;
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gst_element_set_state(GST_ELEMENT(sink),GST_STATE_READY);
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break;
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/*
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case ARG_SILENT:
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sink->silent = GTK_VALUE_BOOL (*arg);
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break;
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*/
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case ARG_CLOSED:
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if (GTK_VALUE_BOOL (*arg) == TRUE)
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{
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/* close the file descriptor */
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sink->opened = FALSE;
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if (! (fclose (sink->file)))
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{
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g_warning ("Cannot close file !\n");
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}
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}
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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_disksink_get_arg (GtkObject *object, GtkArg *arg, guint id)
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{
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GstDiskSink *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_DISKSINK (object));
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sink = GST_DISKSINK (object);
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switch (id) {
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/*
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case ARG_SILENT:
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GTK_VALUE_BOOL (*arg) = sink->silent;
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break;
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*/
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case ARG_CLOSED:
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GTK_VALUE_BOOL (*arg) = !sink->opened;
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break;
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case ARG_LOCATION:
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GTK_VALUE_STRING (*arg) = sink->filename;
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break;
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default:
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arg->type = GTK_TYPE_INVALID;
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break;
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}
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}
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/**
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* gst_disksink_chain:
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* @pad: the pad this disksink 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_disksink_chain (GstPad *pad, GstBuffer *buf)
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{
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GstDiskSink *disksink;
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guint16 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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disksink = GST_DISKSINK (gst_pad_get_parent (pad));
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/*
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if (!disksink->silent)
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g_print("disksink: ******* (%s:%s)< \n",GST_DEBUG_PAD_NAME(pad));
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*/
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if (disksink->opened)
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{
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bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), disksink->file);
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if (bytes_written < GST_BUFFER_SIZE (buf))
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{
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printf ("disksink : Warning : %d bytes should be written, only %d bytes written\n",
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GST_BUFFER_SIZE (buf), bytes_written);
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}
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}
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gst_buffer_unref (buf);
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gtk_signal_emit (GTK_OBJECT (disksink), gst_disksink_signals[SIGNAL_HANDOFF],
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disksink);
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}
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79
gst/elements/gstdisksink.h
Normal file
79
gst/elements/gstdisksink.h
Normal file
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@ -0,0 +1,79 @@
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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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* gstdisksink.h:
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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
|
||||
* 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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#ifndef __GST_DISKSINK_H__
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#define __GST_DISKSINK_H__
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#include <config.h>
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#include <gst/gst.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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GstElementDetails gst_disksink_details;
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#define GST_TYPE_DISKSINK \
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(gst_disksink_get_type())
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#define GST_DISKSINK(obj) \
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(GTK_CHECK_CAST((obj),GST_TYPE_DISKSINK,GstDiskSink))
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#define GST_DISKSINK_CLASS(klass) \
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(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_DISKSINK,GstDiskSinkClass))
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#define GST_IS_DISKSINK(obj) \
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(GTK_CHECK_TYPE((obj),GST_TYPE_DISKSINK))
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#define GST_IS_DISKSINK_CLASS(obj) \
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(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_DISKSINK))
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typedef struct _GstDiskSink GstDiskSink;
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typedef struct _GstDiskSinkClass GstDiskSinkClass;
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struct _GstDiskSink {
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GstElement element;
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gchar *filename;
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FILE *file;
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gboolean opened;
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gboolean silent;
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};
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struct _GstDiskSinkClass {
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GstElementClass parent_class;
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/* signals */
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void (*handoff) (GstElement *element,GstPad *pad);
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};
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GtkType gst_disksink_get_type(void);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __GST_DISKSINK_H__ */
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245
plugins/elements/gstdisksink.c
Normal file
245
plugins/elements/gstdisksink.c
Normal file
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@ -0,0 +1,245 @@
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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>
|
||||
*
|
||||
* gstdisksink.c:
|
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*
|
||||
* 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 details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
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*/
|
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|
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#include <gst/gst.h>
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#include "gstdisksink.h"
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GstElementDetails gst_disksink_details = {
|
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"Disk Sink",
|
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"Sink",
|
||||
"Disk hole for data",
|
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VERSION,
|
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"Thomas <thomas@apestaart.org>",
|
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"(C) 2001"
|
||||
};
|
||||
|
||||
|
||||
/* DiskSink signals and args */
|
||||
enum {
|
||||
/* FILL ME */
|
||||
SIGNAL_HANDOFF,
|
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LAST_SIGNAL
|
||||
};
|
||||
|
||||
enum {
|
||||
ARG_0,
|
||||
ARG_LOCATION,
|
||||
ARG_CLOSED/*,
|
||||
ARG_SILENT,
|
||||
ARG_BYTESPERWRITE,
|
||||
ARG_NUM_SOURCES,
|
||||
*/
|
||||
};
|
||||
|
||||
|
||||
static void gst_disksink_class_init (GstDiskSinkClass *klass);
|
||||
static void gst_disksink_init (GstDiskSink *disksink);
|
||||
|
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static void gst_disksink_set_arg (GtkObject *object, GtkArg *arg, guint id);
|
||||
static void gst_disksink_get_arg (GtkObject *object, GtkArg *arg, guint id);
|
||||
|
||||
static void gst_disksink_chain (GstPad *pad,GstBuffer *buf);
|
||||
|
||||
static GstElementClass *parent_class = NULL;
|
||||
static guint gst_disksink_signals[LAST_SIGNAL] = { 0 };
|
||||
|
||||
GtkType
|
||||
gst_disksink_get_type (void)
|
||||
{
|
||||
static GtkType disksink_type = 0;
|
||||
|
||||
if (!disksink_type) {
|
||||
static const GtkTypeInfo disksink_info = {
|
||||
"GstDiskSink",
|
||||
sizeof(GstDiskSink),
|
||||
sizeof(GstDiskSinkClass),
|
||||
(GtkClassInitFunc)gst_disksink_class_init,
|
||||
(GtkObjectInitFunc)gst_disksink_init,
|
||||
(GtkArgSetFunc)gst_disksink_set_arg,
|
||||
(GtkArgGetFunc)gst_disksink_get_arg,
|
||||
(GtkClassInitFunc)NULL, /* QUESTION : why null ? otherwise coredump */
|
||||
};
|
||||
disksink_type = gtk_type_unique (GST_TYPE_ELEMENT, &disksink_info);
|
||||
}
|
||||
return disksink_type;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_disksink_class_init (GstDiskSinkClass *klass)
|
||||
{
|
||||
GtkObjectClass *gtkobject_class;
|
||||
|
||||
gtkobject_class = (GtkObjectClass*)klass;
|
||||
|
||||
parent_class = gtk_type_class (GST_TYPE_ELEMENT);
|
||||
|
||||
|
||||
gtk_object_add_arg_type ("GstDiskSink::location", GST_TYPE_FILENAME,
|
||||
GTK_ARG_READWRITE, ARG_LOCATION);
|
||||
/*
|
||||
gtk_object_add_arg_type ("GstDiskSink::silent", GTK_TYPE_BOOL,
|
||||
GTK_ARG_READWRITE, ARG_SILENT);
|
||||
*/
|
||||
gtk_object_add_arg_type ("GstDiskSink::closed", GTK_TYPE_BOOL,
|
||||
GTK_ARG_READWRITE, ARG_CLOSED);
|
||||
|
||||
|
||||
gst_disksink_signals[SIGNAL_HANDOFF] =
|
||||
gtk_signal_new ("handoff", GTK_RUN_LAST, gtkobject_class->type,
|
||||
GTK_SIGNAL_OFFSET (GstDiskSinkClass, handoff),
|
||||
gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0);
|
||||
|
||||
gtk_object_class_add_signals (gtkobject_class, gst_disksink_signals,
|
||||
LAST_SIGNAL);
|
||||
|
||||
|
||||
gtkobject_class->set_arg = gst_disksink_set_arg;
|
||||
gtkobject_class->get_arg = gst_disksink_get_arg;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_disksink_init (GstDiskSink *disksink)
|
||||
{
|
||||
GstPad *pad;
|
||||
pad = gst_pad_new ("sink", GST_PAD_SINK);
|
||||
gst_element_add_pad (GST_ELEMENT (disksink), pad);
|
||||
gst_pad_set_chain_function (pad, gst_disksink_chain);
|
||||
disksink->opened = FALSE;
|
||||
disksink->filename = NULL;
|
||||
disksink->file = NULL;
|
||||
|
||||
// disksink->silent = FALSE; ? what's this ? it's for output !
|
||||
}
|
||||
|
||||
static void
|
||||
gst_disksink_set_arg (GtkObject *object, GtkArg *arg, guint id)
|
||||
{
|
||||
GstDiskSink *sink;
|
||||
|
||||
/* it's not null if we got it, but it might not be ours */
|
||||
sink = GST_DISKSINK (object);
|
||||
|
||||
switch(id) {
|
||||
case ARG_LOCATION:
|
||||
/* the element must be stopped in order to do this */
|
||||
g_return_if_fail (GST_STATE (sink) < GST_STATE_PLAYING);
|
||||
|
||||
if (sink->filename) g_free (sink->filename);
|
||||
|
||||
sink->filename = g_strdup (GTK_VALUE_STRING (*arg));
|
||||
sink->file = fopen (GTK_VALUE_STRING (*arg), "w");
|
||||
if (sink->file == NULL)
|
||||
{
|
||||
g_error ("Cannot open %s for writing !\n", GTK_VALUE_STRING (*arg));
|
||||
//exit (-2);
|
||||
}
|
||||
else sink->opened = TRUE;
|
||||
gst_element_set_state(GST_ELEMENT(sink),GST_STATE_READY);
|
||||
break;
|
||||
/*
|
||||
case ARG_SILENT:
|
||||
sink->silent = GTK_VALUE_BOOL (*arg);
|
||||
break;
|
||||
*/
|
||||
case ARG_CLOSED:
|
||||
if (GTK_VALUE_BOOL (*arg) == TRUE)
|
||||
{
|
||||
/* close the file descriptor */
|
||||
sink->opened = FALSE;
|
||||
if (! (fclose (sink->file)))
|
||||
{
|
||||
g_warning ("Cannot close file !\n");
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_disksink_get_arg (GtkObject *object, GtkArg *arg, guint id)
|
||||
{
|
||||
GstDiskSink *sink;
|
||||
|
||||
/* it's not null if we got it, but it might not be ours */
|
||||
g_return_if_fail (GST_IS_DISKSINK (object));
|
||||
|
||||
sink = GST_DISKSINK (object);
|
||||
|
||||
switch (id) {
|
||||
/*
|
||||
case ARG_SILENT:
|
||||
GTK_VALUE_BOOL (*arg) = sink->silent;
|
||||
break;
|
||||
*/
|
||||
case ARG_CLOSED:
|
||||
GTK_VALUE_BOOL (*arg) = !sink->opened;
|
||||
break;
|
||||
case ARG_LOCATION:
|
||||
GTK_VALUE_STRING (*arg) = sink->filename;
|
||||
break;
|
||||
default:
|
||||
arg->type = GTK_TYPE_INVALID;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* gst_disksink_chain:
|
||||
* @pad: the pad this disksink is connected to
|
||||
* @buf: the buffer that has to be absorbed
|
||||
*
|
||||
* take the buffer from the pad and write to file if it's open
|
||||
*/
|
||||
static void
|
||||
gst_disksink_chain (GstPad *pad, GstBuffer *buf)
|
||||
{
|
||||
GstDiskSink *disksink;
|
||||
guint16 bytes_written = 0;
|
||||
|
||||
g_return_if_fail (pad != NULL);
|
||||
g_return_if_fail (GST_IS_PAD (pad));
|
||||
g_return_if_fail (buf != NULL);
|
||||
|
||||
disksink = GST_DISKSINK (gst_pad_get_parent (pad));
|
||||
/*
|
||||
if (!disksink->silent)
|
||||
g_print("disksink: ******* (%s:%s)< \n",GST_DEBUG_PAD_NAME(pad));
|
||||
*/
|
||||
if (disksink->opened)
|
||||
{
|
||||
bytes_written = fwrite (GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), disksink->file);
|
||||
if (bytes_written < GST_BUFFER_SIZE (buf))
|
||||
{
|
||||
printf ("disksink : Warning : %d bytes should be written, only %d bytes written\n",
|
||||
GST_BUFFER_SIZE (buf), bytes_written);
|
||||
}
|
||||
}
|
||||
gst_buffer_unref (buf);
|
||||
|
||||
gtk_signal_emit (GTK_OBJECT (disksink), gst_disksink_signals[SIGNAL_HANDOFF],
|
||||
disksink);
|
||||
}
|
||||
79
plugins/elements/gstdisksink.h
Normal file
79
plugins/elements/gstdisksink.h
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
|
||||
* 2000 Wim Taymans <wtay@chello.be>
|
||||
*
|
||||
* gstdisksink.h:
|
||||
*
|
||||
* 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 details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the
|
||||
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
* Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __GST_DISKSINK_H__
|
||||
#define __GST_DISKSINK_H__
|
||||
|
||||
|
||||
#include <config.h>
|
||||
#include <gst/gst.h>
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
GstElementDetails gst_disksink_details;
|
||||
|
||||
|
||||
#define GST_TYPE_DISKSINK \
|
||||
(gst_disksink_get_type())
|
||||
#define GST_DISKSINK(obj) \
|
||||
(GTK_CHECK_CAST((obj),GST_TYPE_DISKSINK,GstDiskSink))
|
||||
#define GST_DISKSINK_CLASS(klass) \
|
||||
(GTK_CHECK_CLASS_CAST((klass),GST_TYPE_DISKSINK,GstDiskSinkClass))
|
||||
#define GST_IS_DISKSINK(obj) \
|
||||
(GTK_CHECK_TYPE((obj),GST_TYPE_DISKSINK))
|
||||
#define GST_IS_DISKSINK_CLASS(obj) \
|
||||
(GTK_CHECK_CLASS_TYPE((klass),GST_TYPE_DISKSINK))
|
||||
|
||||
typedef struct _GstDiskSink GstDiskSink;
|
||||
typedef struct _GstDiskSinkClass GstDiskSinkClass;
|
||||
|
||||
struct _GstDiskSink {
|
||||
GstElement element;
|
||||
|
||||
gchar *filename;
|
||||
FILE *file;
|
||||
|
||||
gboolean opened;
|
||||
gboolean silent;
|
||||
};
|
||||
|
||||
struct _GstDiskSinkClass {
|
||||
GstElementClass parent_class;
|
||||
|
||||
/* signals */
|
||||
void (*handoff) (GstElement *element,GstPad *pad);
|
||||
};
|
||||
|
||||
GtkType gst_disksink_get_type(void);
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
|
||||
|
||||
#endif /* __GST_DISKSINK_H__ */
|
||||
Loading…
Reference in a new issue