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.
27 #include "gst/gst_private.h"
31 #include "gstfilesink.h"
34 #include <sys/types.h>
37 GST_DEBUG_CATEGORY (gst_filesink_debug);
38 #define GST_CAT_DEFAULT gst_filesink_debug
40 GstElementDetails gst_filesink_details = {
44 "Write stream to a file",
46 "Thomas <thomas@apestaart.org>",
51 /* FileSink signals and args */
63 GST_PAD_QUERY_TYPE_FUNCTION (gst_filesink_get_query_types,
68 GST_PAD_FORMATS_FUNCTION (gst_filesink_get_formats,
73 static void gst_filesink_class_init (GstFileSinkClass *klass);
74 static void gst_filesink_init (GstFileSink *filesink);
76 static void gst_filesink_set_property (GObject *object, guint prop_id,
77 const GValue *value, GParamSpec *pspec);
78 static void gst_filesink_get_property (GObject *object, guint prop_id,
79 GValue *value, GParamSpec *pspec);
81 static gboolean gst_filesink_open_file (GstFileSink *sink);
82 static void gst_filesink_close_file (GstFileSink *sink);
84 static const GstEventMask *
85 gst_filesink_get_event_mask (GstPad *pad);
87 static gboolean gst_filesink_handle_event (GstPad *pad, GstEvent *event);
88 static gboolean gst_filesink_pad_query (GstPad *pad, GstQueryType type,
89 GstFormat *format, gint64 *value);
90 static void gst_filesink_chain (GstPad *pad,GstBuffer *buf);
92 static GstElementStateReturn gst_filesink_change_state (GstElement *element);
94 static GstElementClass *parent_class = NULL;
95 static guint gst_filesink_signals[LAST_SIGNAL] = { 0 };
98 gst_filesink_get_type (void)
100 static GType filesink_type = 0;
102 if (!filesink_type) {
103 static const GTypeInfo filesink_info = {
104 sizeof(GstFileSinkClass), NULL,
106 (GClassInitFunc)gst_filesink_class_init,
111 (GInstanceInitFunc)gst_filesink_init,
113 filesink_type = g_type_register_static (GST_TYPE_ELEMENT, "GstFileSink", &filesink_info, 0);
115 return filesink_type;
119 gst_filesink_class_init (GstFileSinkClass *klass)
121 GObjectClass *gobject_class;
122 GstElementClass *gstelement_class;
124 gobject_class = (GObjectClass*)klass;
125 gstelement_class = (GstElementClass*)klass;
127 parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
129 g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_LOCATION,
130 g_param_spec_string ("location", "File Location", "Location of the file to write",
131 NULL, G_PARAM_READWRITE));
133 gst_filesink_signals[SIGNAL_HANDOFF] =
134 g_signal_new ("handoff", G_TYPE_FROM_CLASS(klass), G_SIGNAL_RUN_LAST,
135 G_STRUCT_OFFSET (GstFileSinkClass, handoff), NULL, NULL,
136 g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
138 gobject_class->set_property = gst_filesink_set_property;
139 gobject_class->get_property = gst_filesink_get_property;
141 gstelement_class->change_state = gst_filesink_change_state;
145 gst_filesink_init (GstFileSink *filesink)
149 pad = gst_pad_new ("sink", GST_PAD_SINK);
150 gst_element_add_pad (GST_ELEMENT (filesink), pad);
151 gst_pad_set_chain_function (pad, gst_filesink_chain);
153 GST_FLAG_SET (GST_ELEMENT(filesink), GST_ELEMENT_EVENT_AWARE);
154 gst_pad_set_event_function(pad, gst_filesink_handle_event);
155 gst_pad_set_event_mask_function(pad, gst_filesink_get_event_mask);
157 gst_pad_set_query_function (pad, gst_filesink_pad_query);
158 gst_pad_set_query_type_function (pad, gst_filesink_get_query_types);
159 gst_pad_set_formats_function (pad, gst_filesink_get_formats);
161 filesink->filename = NULL;
162 filesink->file = NULL;
166 gst_filesink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
170 /* it's not null if we got it, but it might not be ours */
171 sink = GST_FILESINK (object);
175 /* the element must be stopped or paused in order to do this */
176 g_return_if_fail (GST_STATE (sink) <= GST_STATE_PAUSED);
177 if (GST_STATE (sink) == GST_STATE_PAUSED)
178 g_return_if_fail (!GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN));
181 g_free (sink->filename);
182 sink->filename = g_strdup (g_value_get_string (value));
183 if (GST_STATE (sink) == GST_STATE_PAUSED)
184 gst_filesink_open_file (sink);
187 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
193 gst_filesink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
197 /* it's not null if we got it, but it might not be ours */
198 g_return_if_fail (GST_IS_FILESINK (object));
200 sink = GST_FILESINK (object);
204 g_value_set_string (value, sink->filename);
207 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
213 gst_filesink_open_file (GstFileSink *sink)
215 g_return_val_if_fail (!GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN), FALSE);
224 sink->file = fopen (sink->filename, "w");
225 if (sink->file == NULL) {
226 gst_element_gerror (GST_ELEMENT (sink), GST_ERROR_DEVICE,
227 g_strdup_printf (_("Could not open file \"%s\""), sink->filename),
228 g_strdup_printf ("Error opening file \"%s\": %s", sink->filename, g_strerror(errno)));
232 GST_FLAG_SET (sink, GST_FILESINK_OPEN);
234 sink->data_written = 0;
240 gst_filesink_close_file (GstFileSink *sink)
242 g_return_if_fail (GST_FLAG_IS_SET (sink, GST_FILESINK_OPEN));
244 if (fclose (sink->file) != 0)
246 gst_element_gerror (GST_ELEMENT (sink), GST_ERROR_DEVICE,
247 g_strdup_printf (_("Could not open file \"%s\""), sink->filename),
248 g_strdup_printf ("Error closing file \"%s\": %s", sink->filename, g_strerror(errno)));
251 GST_FLAG_UNSET (sink, GST_FILESINK_OPEN);
256 gst_filesink_pad_query (GstPad *pad, GstQueryType type,
257 GstFormat *format, gint64 *value)
259 GstFileSink *sink = GST_FILESINK (GST_PAD_PARENT (pad));
262 case GST_QUERY_TOTAL:
264 case GST_FORMAT_BYTES:
265 if (GST_FLAG_IS_SET (GST_ELEMENT(sink), GST_FILESINK_OPEN)) {
266 *value = sink->data_written; /* FIXME - doesn't the kernel provide
274 case GST_QUERY_POSITION:
276 case GST_FORMAT_BYTES:
277 if (GST_FLAG_IS_SET (GST_ELEMENT(sink), GST_FILESINK_OPEN)) {
278 *value = ftell (sink->file);
292 /* supported events */
293 static const GstEventMask *
294 gst_filesink_get_event_mask (GstPad *pad)
296 GstFileSink *filesink = GST_FILESINK (gst_pad_get_parent (pad));
297 struct stat filestat;
298 static const GstEventMask seek_masks[] = {
299 { GST_EVENT_SEEK, GST_SEEK_METHOD_CUR |
300 GST_SEEK_METHOD_SET |
301 GST_SEEK_METHOD_END |
302 GST_SEEK_FLAG_FLUSH },
303 { GST_EVENT_FLUSH, 0 },
304 { GST_EVENT_DISCONTINUOUS, 0 },
306 }, noseek_masks[] = {
307 { GST_EVENT_FLUSH, 0 },
309 }, *selected = seek_masks;
311 if (filesink->file != NULL) {
312 if (fstat (fileno (filesink->file), &filestat) == 0) {
313 if (S_ISFIFO (filestat.st_mode) ||
314 S_ISSOCK (filestat.st_mode)) {
315 selected = noseek_masks;
323 /* handle events (search) */
325 gst_filesink_handle_event (GstPad *pad, GstEvent *event)
328 GstFileSink *filesink;
330 filesink = GST_FILESINK (gst_pad_get_parent (pad));
332 g_return_val_if_fail (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN),
335 type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
339 g_return_val_if_fail (GST_EVENT_SEEK_FORMAT (event) == GST_FORMAT_BYTES,
342 if (GST_EVENT_SEEK_FLAGS (event) & GST_SEEK_FLAG_FLUSH)
343 if (fflush (filesink->file))
344 gst_element_gerror (GST_ELEMENT (filesink), GST_ERROR_DEVICE,
345 g_strdup_printf (_("Could not write to file \"%s\""), filesink->filename),
346 g_strdup_printf ("Error flushing file \"%s\": %s",
347 filesink->filename, g_strerror(errno)));
349 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("unkown seek method!\n");
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_gerror (GST_ELEMENT (filesink), GST_ERROR_DEVICE,
378 g_strdup_printf (_("Could not write to file \"%s\""), filesink->filename),
379 g_strdup_printf ("Error flushing file \"%s\": %s",
380 filesink->filename, g_strerror(errno)));
384 gst_filesink_close_file (filesink);
385 gst_element_set_eos (GST_ELEMENT (filesink));
388 gst_pad_event_default (pad, event);
396 * gst_filesink_chain:
397 * @pad: the pad this filesink is connected to
398 * @buf: the buffer that has to be absorbed
400 * take the buffer from the pad and write to file if it's open
403 gst_filesink_chain (GstPad *pad, GstBuffer *buf)
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))
415 gst_filesink_handle_event(pad, GST_EVENT(buf));
419 if (GST_FLAG_IS_SET (filesink, GST_FILESINK_OPEN))
421 guint bytes_written = 0, back_pending = 0;
422 if (ftell(filesink->file) < filesink->data_written)
423 back_pending = filesink->data_written - ftell(filesink->file);
424 while (bytes_written < GST_BUFFER_SIZE (buf)) {
425 size_t wrote = fwrite (GST_BUFFER_DATA (buf) + bytes_written, 1,
426 GST_BUFFER_SIZE (buf) - bytes_written,
429 gst_element_gerror (GST_ELEMENT (filesink), GST_ERROR_DEVICE,
430 g_strdup_printf (_("Could not write to file \"%s\""), filesink->filename),
431 g_strdup_printf ("Only %d of %d bytes written: %s", bytes_written,
432 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,
448 static GstElementStateReturn
449 gst_filesink_change_state (GstElement *element)
451 g_return_val_if_fail (GST_IS_FILESINK (element), GST_STATE_FAILURE);
453 switch (GST_STATE_TRANSITION (element)) {
454 case GST_STATE_PAUSED_TO_READY:
455 if (GST_FLAG_IS_SET (element, GST_FILESINK_OPEN))
456 gst_filesink_close_file (GST_FILESINK (element));
459 case GST_STATE_READY_TO_PAUSED:
460 if (!GST_FLAG_IS_SET (element, GST_FILESINK_OPEN)) {
461 if (!gst_filesink_open_file (GST_FILESINK (element)))
462 return GST_STATE_FAILURE;
467 if (GST_ELEMENT_CLASS (parent_class)->change_state)
468 return GST_ELEMENT_CLASS (parent_class)->change_state (element);
470 return GST_STATE_SUCCESS;