2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
28 #include "../gst-i18n-lib.h"
32 #include "gstfilesink.h"
35 #include <sys/types.h>
39 GST_DEBUG_CATEGORY_STATIC (gst_filesink_debug);
40 #define GST_CAT_DEFAULT gst_filesink_debug
42 GstElementDetails gst_filesink_details = GST_ELEMENT_DETAILS (
45 "Write stream to a file",
46 "Thomas <thomas@apestaart.org>"
50 /* FileSink signals and args */
62 GST_PAD_QUERY_TYPE_FUNCTION (gst_filesink_get_query_types,
67 GST_PAD_FORMATS_FUNCTION (gst_filesink_get_formats,
72 static void gst_filesink_dispose (GObject *object);
74 static void gst_filesink_set_property (GObject *object, guint prop_id,
75 const GValue *value, GParamSpec *pspec);
76 static void gst_filesink_get_property (GObject *object, guint prop_id,
77 GValue *value, GParamSpec *pspec);
79 static gboolean gst_filesink_open_file (GstFileSink *sink);
80 static void gst_filesink_close_file (GstFileSink *sink);
82 static gboolean gst_filesink_handle_event (GstPad *pad, GstEvent *event);
83 static gboolean gst_filesink_pad_query (GstPad *pad, GstQueryType type,
84 GstFormat *format, gint64 *value);
85 static void gst_filesink_chain (GstPad *pad,GstData *_data);
87 static void gst_filesink_uri_handler_init (gpointer g_iface, gpointer iface_data);
89 static GstElementStateReturn gst_filesink_change_state (GstElement *element);
91 static guint gst_filesink_signals[LAST_SIGNAL] = { 0 };
94 _do_init (GType filesink_type)
96 static const GInterfaceInfo urihandler_info = {
97 gst_filesink_uri_handler_init,
101 g_type_add_interface_static (filesink_type, GST_TYPE_URI_HANDLER, &urihandler_info);
102 GST_DEBUG_CATEGORY_INIT (gst_filesink_debug, "filesink", 0, "filesink element");
105 GST_BOILERPLATE_FULL (GstFileSink, gst_filesink, GstElement, GST_TYPE_ELEMENT, _do_init);
109 gst_filesink_base_init (gpointer g_class)
111 GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
113 gstelement_class->change_state = gst_filesink_change_state;
114 gst_element_class_set_details (gstelement_class, &gst_filesink_details);
117 gst_filesink_class_init (GstFileSinkClass *klass)
119 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
122 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOCATION,
123 g_param_spec_string ("location", "File Location", "Location of the file to write",
124 NULL, G_PARAM_READWRITE));
126 gst_filesink_signals[SIGNAL_HANDOFF] =
127 g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
128 G_STRUCT_OFFSET (GstFileSinkClass, handoff), NULL, NULL,
129 g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
131 gobject_class->set_property = gst_filesink_set_property;
132 gobject_class->get_property = gst_filesink_get_property;
133 gobject_class->dispose = gst_filesink_dispose;
136 gst_filesink_init (GstFileSink *filesink)
140 pad = gst_pad_new ("sink", GST_PAD_SINK);
141 gst_element_add_pad (GST_ELEMENT (filesink), pad);
142 gst_pad_set_chain_function (pad, gst_filesink_chain);
144 GST_FLAG_SET (GST_ELEMENT(filesink), GST_ELEMENT_EVENT_AWARE);
146 gst_pad_set_query_function (pad, gst_filesink_pad_query);
147 gst_pad_set_query_type_function (pad, gst_filesink_get_query_types);
148 gst_pad_set_formats_function (pad, gst_filesink_get_formats);
150 filesink->filename = NULL;
151 filesink->file = NULL;
154 gst_filesink_dispose (GObject *object)
156 GstFileSink *sink = GST_FILESINK (object);
158 G_OBJECT_CLASS (parent_class)->dispose (object);
162 g_free (sink->filename);
163 sink->filename = NULL;
166 gst_filesink_set_location (GstFileSink *sink, const gchar *location)
168 /* the element must be stopped or paused in order to do this */
169 if (GST_STATE (sink) > GST_STATE_PAUSED)
171 if (GST_STATE (sink) == GST_STATE_PAUSED &&
172 GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN))
175 g_free (sink->filename);
177 if (location != NULL) {
178 sink->filename = g_strdup (location);
179 sink->uri = gst_uri_construct ("file", location);
181 sink->filename = NULL;
185 if (GST_STATE (sink) == GST_STATE_PAUSED)
186 gst_filesink_open_file (sink);
191 gst_filesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
195 /* it's not null if we got it, but it might not be ours */
196 sink = GST_FILESINK (object);
200 gst_filesink_set_location (sink, g_value_get_string (value));
203 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
209 gst_filesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
213 /* it's not null if we got it, but it might not be ours */
214 g_return_if_fail (GST_IS_FILESINK (object));
216 sink = GST_FILESINK (object);
220 g_value_set_string (value, sink->filename);
223 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
229 gst_filesink_open_file (GstFileSink *sink)
231 g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN), FALSE);
236 gst_element_error (sink, RESOURCE, NOT_FOUND,
237 (_("No filename specified")), NULL);
241 sink->file = fopen (sink->filename, "w");
242 if (sink->file == NULL) {
243 gst_element_error (sink, RESOURCE, OPEN_WRITE,
244 (_("Could not open file \"%s\" for writing"), sink->filename),
249 GST_FLAG_SET (sink, GST_FILESINK_OPEN);
251 sink->data_written = 0;
257 gst_filesink_close_file (GstFileSink *sink)
259 g_return_if_fail (GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN));
261 if (fclose (sink->file) != 0)
263 gst_element_error (sink, RESOURCE, CLOSE,
264 (_("Error closing file \"%s\""), sink->filename),
268 GST_FLAG_UNSET (sink, GST_FILESINK_OPEN);
273 gst_filesink_pad_query (GstPad *pad, GstQueryType type,
274 GstFormat *format, gint64 *value)
276 GstFileSink *sink = GST_FILESINK (GST_PAD_PARENT (pad));
279 case GST_QUERY_TOTAL:
281 case GST_FORMAT_BYTES:
282 if (GST_FLAG_IS_SET (GST_ELEMENT(sink), GST_FILESINK_OPEN)) {
283 *value = sink->data_written; /* FIXME - doesn't the kernel provide
291 case GST_QUERY_POSITION:
293 case GST_FORMAT_BYTES:
294 if (GST_FLAG_IS_SET (GST_ELEMENT(sink), GST_FILESINK_OPEN)) {
295 *value = ftell (sink->file);
309 /* handle events (search) */
311 gst_filesink_handle_event (GstPad *pad, GstEvent *event)
314 GstFileSink *filesink;
316 filesink = GST_FILESINK (gst_pad_get_parent (pad));
318 g_return_val_if_fail (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN),
321 type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
325 g_return_val_if_fail (GST_EVENT_SEEK_FORMAT (event) == GST_FORMAT_BYTES,
328 if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH)
329 if (fflush (filesink->file))
330 gst_element_error (filesink, RESOURCE, WRITE,
331 (_("Error while writing to file \"%s\""), filesink->filename),
334 switch (GST_EVENT_SEEK_METHOD(event))
336 case GST_SEEK_METHOD_SET:
337 fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_SET);
339 case GST_SEEK_METHOD_CUR:
340 fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_CUR);
342 case GST_SEEK_METHOD_END:
343 fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_END);
346 g_warning ("unknown seek method!");
350 case GST_EVENT_DISCONTINUOUS:
354 if (gst_event_discont_get_value (event, GST_FORMAT_BYTES, &offset))
355 fseek (filesink->file, offset, SEEK_SET);
357 gst_event_unref (event);
360 case GST_EVENT_FLUSH:
361 if (fflush (filesink->file)) {
362 gst_element_error (filesink, RESOURCE, WRITE,
363 (_("Error while writing to file \"%s\""), filesink->filename),
368 gst_filesink_close_file (filesink);
369 gst_element_set_eos (GST_ELEMENT (filesink));
372 gst_pad_event_default (pad, event);
380 * gst_filesink_chain:
381 * @pad: the pad this filesink is connected to
382 * @buf: the buffer that has to be absorbed
384 * take the buffer from the pad and write to file if it's open
387 gst_filesink_chain (GstPad *pad, GstData *_data)
389 GstBuffer *buf = GST_BUFFER (_data);
390 GstFileSink *filesink;
392 g_return_if_fail (pad != NULL);
393 g_return_if_fail (GST_IS_PAD (pad));
394 g_return_if_fail (buf != NULL);
396 filesink = GST_FILESINK (gst_pad_get_parent (pad));
398 if (GST_IS_EVENT(buf))
400 gst_filesink_handle_event(pad, GST_EVENT(buf));
404 if (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN))
406 guint bytes_written = 0, back_pending = 0;
407 if (ftell(filesink->file) < filesink->data_written)
408 back_pending = filesink->data_written - ftell(filesink->file);
409 while (bytes_written < GST_BUFFER_SIZE (buf)) {
410 size_t wrote = fwrite (GST_BUFFER_DATA (buf) + bytes_written, 1,
411 GST_BUFFER_SIZE (buf) - bytes_written,
414 gst_element_error (filesink, RESOURCE, WRITE,
415 (_("Error while writing to file \"%s\""), filesink->filename),
416 ("Only %d of %d bytes written: %s",
417 bytes_written, GST_BUFFER_SIZE (buf),
421 bytes_written += wrote;
424 filesink->data_written += bytes_written - back_pending;
427 gst_buffer_unref (buf);
429 g_signal_emit (G_OBJECT (filesink),
430 gst_filesink_signals[SIGNAL_HANDOFF], 0,
434 static GstElementStateReturn
435 gst_filesink_change_state (GstElement *element)
437 g_return_val_if_fail (GST_IS_FILESINK (element), GST_STATE_FAILURE);
439 switch (GST_STATE_TRANSITION (element)) {
440 case GST_STATE_PAUSED_TO_READY:
441 if (GST_FLAG_IS_SET (element, GST_FILESINK_OPEN))
442 gst_filesink_close_file (GST_FILESINK (element));
445 case GST_STATE_READY_TO_PAUSED:
446 if (!GST_FLAG_IS_SET (element, GST_FILESINK_OPEN)) {
447 if (!gst_filesink_open_file (GST_FILESINK (element)))
448 return GST_STATE_FAILURE;
453 if (GST_ELEMENT_CLASS (parent_class)->change_state)
454 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
456 return GST_STATE_SUCCESS;
459 /*** GSTURIHANDLER INTERFACE *************************************************/
462 gst_filesink_uri_get_type (void)
467 gst_filesink_uri_get_protocols(void)
469 static gchar *protocols[] = {"file", NULL};
473 gst_filesink_uri_get_uri (GstURIHandler *handler)
475 GstFileSink *sink = GST_FILESINK (handler);
480 gst_filesink_uri_set_uri (GstURIHandler *handler, const gchar *uri)
482 gchar *protocol, *location;
484 GstFileSink *sink = GST_FILESINK (handler);
486 protocol = gst_uri_get_protocol (uri);
487 if (strcmp (protocol, "file") != 0) {
492 location = gst_uri_get_location (uri);
493 ret = gst_filesink_set_location (sink, location);
500 gst_filesink_uri_handler_init (gpointer g_iface, gpointer iface_data)
502 GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
504 iface->get_type = gst_filesink_uri_get_type;
505 iface->get_protocols = gst_filesink_uri_get_protocols;
506 iface->get_uri = gst_filesink_uri_get_uri;
507 iface->set_uri = gst_filesink_uri_set_uri;