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 ("File Sink",
44 "Write stream to a file",
45 "Thomas <thomas@apestaart.org>");
48 /* FileSink signals and args */
62 static const GstFormat *
63 gst_filesink_get_formats (GstPad * pad)
65 static const GstFormat formats[] = {
73 static const GstQueryType *
74 gst_filesink_get_query_types (GstPad * pad)
76 static const GstQueryType types[] = {
85 static void gst_filesink_dispose (GObject * object);
87 static void gst_filesink_set_property (GObject * object, guint prop_id,
88 const GValue * value, GParamSpec * pspec);
89 static void gst_filesink_get_property (GObject * object, guint prop_id,
90 GValue * value, GParamSpec * pspec);
92 static gboolean gst_filesink_open_file (GstFileSink * sink);
93 static void gst_filesink_close_file (GstFileSink * sink);
95 static gboolean gst_filesink_handle_event (GstPad * pad, GstEvent * event);
96 static gboolean gst_filesink_pad_query (GstPad * pad, GstQueryType type,
97 GstFormat * format, gint64 * value);
98 static void gst_filesink_chain (GstPad * pad, GstData * _data);
100 static void gst_filesink_uri_handler_init (gpointer g_iface,
101 gpointer iface_data);
103 static GstElementStateReturn gst_filesink_change_state (GstElement * element);
105 static guint gst_filesink_signals[LAST_SIGNAL] = { 0 };
108 _do_init (GType filesink_type)
110 static const GInterfaceInfo urihandler_info = {
111 gst_filesink_uri_handler_init,
116 g_type_add_interface_static (filesink_type, GST_TYPE_URI_HANDLER,
118 GST_DEBUG_CATEGORY_INIT (gst_filesink_debug, "filesink", 0,
122 GST_BOILERPLATE_FULL (GstFileSink, gst_filesink, GstElement, GST_TYPE_ELEMENT,
127 gst_filesink_base_init (gpointer g_class)
129 GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
131 gstelement_class->change_state = gst_filesink_change_state;
132 gst_element_class_set_details (gstelement_class, &gst_filesink_details);
135 gst_filesink_class_init (GstFileSinkClass * klass)
137 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
140 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOCATION,
141 g_param_spec_string ("location", "File Location",
142 "Location of the file to write", NULL, G_PARAM_READWRITE));
144 gst_filesink_signals[SIGNAL_HANDOFF] =
145 g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
146 G_STRUCT_OFFSET (GstFileSinkClass, handoff), NULL, NULL,
147 g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
149 gobject_class->set_property = gst_filesink_set_property;
150 gobject_class->get_property = gst_filesink_get_property;
151 gobject_class->dispose = gst_filesink_dispose;
154 gst_filesink_init (GstFileSink * filesink)
158 pad = gst_pad_new ("sink", GST_PAD_SINK);
159 gst_element_add_pad (GST_ELEMENT (filesink), pad);
160 gst_pad_set_chain_function (pad, gst_filesink_chain);
162 GST_FLAG_SET (GST_ELEMENT (filesink), GST_ELEMENT_EVENT_AWARE);
164 gst_pad_set_query_function (pad, gst_filesink_pad_query);
165 gst_pad_set_query_type_function (pad, gst_filesink_get_query_types);
166 gst_pad_set_formats_function (pad, gst_filesink_get_formats);
168 filesink->filename = NULL;
169 filesink->file = NULL;
172 gst_filesink_dispose (GObject * object)
174 GstFileSink *sink = GST_FILESINK (object);
176 G_OBJECT_CLASS (parent_class)->dispose (object);
180 g_free (sink->filename);
181 sink->filename = NULL;
185 gst_filesink_set_location (GstFileSink * sink, const gchar * location)
187 /* the element must be stopped or paused in order to do this */
188 if (GST_STATE (sink) > GST_STATE_PAUSED)
190 if (GST_STATE (sink) == GST_STATE_PAUSED &&
191 GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN))
194 g_free (sink->filename);
196 if (location != NULL) {
197 sink->filename = g_strdup (location);
198 sink->uri = gst_uri_construct ("file", location);
200 sink->filename = NULL;
204 if (GST_STATE (sink) == GST_STATE_PAUSED)
205 gst_filesink_open_file (sink);
210 gst_filesink_set_property (GObject * object, guint prop_id,
211 const GValue * value, GParamSpec * pspec)
215 /* it's not null if we got it, but it might not be ours */
216 sink = GST_FILESINK (object);
220 gst_filesink_set_location (sink, g_value_get_string (value));
223 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
229 gst_filesink_get_property (GObject * object, guint prop_id, GValue * value,
234 /* it's not null if we got it, but it might not be ours */
235 g_return_if_fail (GST_IS_FILESINK (object));
237 sink = GST_FILESINK (object);
241 g_value_set_string (value, sink->filename);
244 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
250 gst_filesink_open_file (GstFileSink * sink)
252 g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN), FALSE);
255 if (sink->filename == NULL || sink->filename[0] == '\0') {
256 GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND,
257 (_("No file name specified for writing.")), (NULL));
261 sink->file = fopen (sink->filename, "w");
262 if (sink->file == NULL) {
263 GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
264 (_("Could not open file \"%s\" for writing."), sink->filename),
269 GST_FLAG_SET (sink, GST_FILESINK_OPEN);
271 sink->data_written = 0;
277 gst_filesink_close_file (GstFileSink * sink)
279 g_return_if_fail (GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN));
281 if (fclose (sink->file) != 0) {
282 GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
283 (_("Error closing file \"%s\"."), sink->filename), GST_ERROR_SYSTEM);
285 GST_FLAG_UNSET (sink, GST_FILESINK_OPEN);
290 gst_filesink_pad_query (GstPad * pad, GstQueryType type,
291 GstFormat * format, gint64 * value)
293 GstFileSink *sink = GST_FILESINK (GST_PAD_PARENT (pad));
296 case GST_QUERY_TOTAL:
298 case GST_FORMAT_BYTES:
299 if (GST_FLAG_IS_SET (GST_ELEMENT (sink), GST_FILESINK_OPEN)) {
300 *value = sink->data_written; /* FIXME - doesn't the kernel provide
308 case GST_QUERY_POSITION:
310 case GST_FORMAT_BYTES:
311 if (GST_FLAG_IS_SET (GST_ELEMENT (sink), GST_FILESINK_OPEN)) {
312 *value = ftell (sink->file);
326 /* handle events (search) */
328 gst_filesink_handle_event (GstPad * pad, GstEvent * event)
331 GstFileSink *filesink;
333 filesink = GST_FILESINK (gst_pad_get_parent (pad));
335 g_return_val_if_fail (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN), FALSE);
337 type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
341 g_return_val_if_fail (GST_EVENT_SEEK_FORMAT (event) == GST_FORMAT_BYTES,
344 if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH)
345 if (fflush (filesink->file))
346 GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
347 (_("Error while writing to file \"%s\"."), filesink->filename),
350 switch (GST_EVENT_SEEK_METHOD (event)) {
351 case GST_SEEK_METHOD_SET:
352 fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_SET);
354 case GST_SEEK_METHOD_CUR:
355 fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_CUR);
357 case GST_SEEK_METHOD_END:
358 fseek (filesink->file, GST_EVENT_SEEK_OFFSET (event), SEEK_END);
361 g_warning ("unknown seek method!");
365 case GST_EVENT_DISCONTINUOUS:
369 if (gst_event_discont_get_value (event, GST_FORMAT_BYTES, &offset))
370 fseek (filesink->file, offset, SEEK_SET);
372 gst_event_unref (event);
375 case GST_EVENT_FLUSH:
376 if (fflush (filesink->file)) {
377 GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
378 (_("Error while writing to file \"%s\"."), filesink->filename),
383 gst_filesink_close_file (filesink);
384 gst_element_set_eos (GST_ELEMENT (filesink));
387 gst_pad_event_default (pad, event);
395 * gst_filesink_chain:
396 * @pad: the pad this filesink is connected to
397 * @buf: the buffer that has to be absorbed
399 * take the buffer from the pad and write to file if it's open
402 gst_filesink_chain (GstPad * pad, GstData * _data)
404 GstBuffer *buf = GST_BUFFER (_data);
405 GstFileSink *filesink;
407 g_return_if_fail (pad != NULL);
408 g_return_if_fail (GST_IS_PAD (pad));
409 g_return_if_fail (buf != NULL);
411 filesink = GST_FILESINK (gst_pad_get_parent (pad));
413 if (GST_IS_EVENT (buf)) {
414 gst_filesink_handle_event (pad, GST_EVENT (buf));
418 if (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN)) {
419 guint bytes_written = 0, back_pending = 0;
421 if (ftell (filesink->file) < filesink->data_written)
422 back_pending = filesink->data_written - ftell (filesink->file);
423 while (bytes_written < GST_BUFFER_SIZE (buf)) {
424 size_t wrote = fwrite (GST_BUFFER_DATA (buf) + bytes_written, 1,
425 GST_BUFFER_SIZE (buf) - bytes_written,
429 GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
430 (_("Error while writing to file \"%s\"."), filesink->filename),
431 ("Only %d of %d bytes written: %s",
432 bytes_written, GST_BUFFER_SIZE (buf), strerror (errno)));
435 bytes_written += wrote;
438 filesink->data_written += bytes_written - back_pending;
441 gst_buffer_unref (buf);
443 g_signal_emit (G_OBJECT (filesink),
444 gst_filesink_signals[SIGNAL_HANDOFF], 0, filesink);
447 static GstElementStateReturn
448 gst_filesink_change_state (GstElement * element)
450 g_return_val_if_fail (GST_IS_FILESINK (element), GST_STATE_FAILURE);
452 switch (GST_STATE_TRANSITION (element)) {
453 case GST_STATE_PAUSED_TO_READY:
454 if (GST_FLAG_IS_SET (element, GST_FILESINK_OPEN))
455 gst_filesink_close_file (GST_FILESINK (element));
458 case GST_STATE_READY_TO_PAUSED:
459 if (!GST_FLAG_IS_SET (element, GST_FILESINK_OPEN)) {
460 if (!gst_filesink_open_file (GST_FILESINK (element)))
461 return GST_STATE_FAILURE;
466 if (GST_ELEMENT_CLASS (parent_class)->change_state)
467 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
469 return GST_STATE_SUCCESS;
472 /*** GSTURIHANDLER INTERFACE *************************************************/
475 gst_filesink_uri_get_type (void)
480 gst_filesink_uri_get_protocols (void)
482 static gchar *protocols[] = { "file", NULL };
487 gst_filesink_uri_get_uri (GstURIHandler * handler)
489 GstFileSink *sink = GST_FILESINK (handler);
495 gst_filesink_uri_set_uri (GstURIHandler * handler, const gchar * uri)
497 gchar *protocol, *location;
499 GstFileSink *sink = GST_FILESINK (handler);
501 protocol = gst_uri_get_protocol (uri);
502 if (strcmp (protocol, "file") != 0) {
507 location = gst_uri_get_location (uri);
508 ret = gst_filesink_set_location (sink, location);
515 gst_filesink_uri_handler_init (gpointer g_iface, gpointer iface_data)
517 GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
519 iface->get_type = gst_filesink_uri_get_type;
520 iface->get_protocols = gst_filesink_uri_get_protocols;
521 iface->get_uri = gst_filesink_uri_get_uri;
522 iface->set_uri = gst_filesink_uri_set_uri;