2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
4 * 2006 Wim Taymans <wim@fluendo.com>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
24 * SECTION:element-filesink
25 * @see_also: #GstFileSrc
27 * Write incoming data to a file in the local file system.
30 * <title>Example launch line</title>
32 * gst-launch-1.0 v4l2src num-buffers=1 ! jpegenc ! filesink location=capture1.jpeg
33 * ]| Capture one frame from a v4l2 camera and save as jpeg image.
41 #include "../../gst/gst-i18n-lib.h"
44 #include <stdio.h> /* for fseeko() */
45 #ifdef HAVE_STDIO_EXT_H
46 #include <stdio_ext.h> /* for __fbufsize, for debugging */
49 #include "gstfilesink.h"
51 #include <sys/types.h>
54 #include <io.h> /* lseek, open, close, read */
56 #define lseek _lseeki64
60 #define ftruncate _chsize
63 #ifdef _MSC_VER /* Check if we are using MSVC, fileno is deprecated in favour */
64 #define fileno _fileno /* of _fileno */
73 #include "gstelements_private.h"
74 #include "gstfilesink.h"
76 static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
81 #define GST_TYPE_FILE_SINK_BUFFER_MODE (gst_file_sink_buffer_mode_get_type ())
83 gst_file_sink_buffer_mode_get_type (void)
85 static GType buffer_mode_type = 0;
86 static const GEnumValue buffer_mode[] = {
87 {GST_FILE_SINK_BUFFER_MODE_DEFAULT, "Default buffering", "default"},
88 {GST_FILE_SINK_BUFFER_MODE_FULL, "Fully buffered", "full"},
89 {GST_FILE_SINK_BUFFER_MODE_LINE, "Line buffered", "line"},
90 {GST_FILE_SINK_BUFFER_MODE_UNBUFFERED, "Unbuffered", "unbuffered"},
94 if (!buffer_mode_type) {
96 g_enum_register_static ("GstFileSinkBufferMode", buffer_mode);
98 return buffer_mode_type;
101 GST_DEBUG_CATEGORY_STATIC (gst_file_sink_debug);
102 #define GST_CAT_DEFAULT gst_file_sink_debug
104 #define DEFAULT_LOCATION NULL
105 #define DEFAULT_BUFFER_MODE GST_FILE_SINK_BUFFER_MODE_DEFAULT
106 #define DEFAULT_BUFFER_SIZE 64 * 1024
107 #define DEFAULT_APPEND FALSE
116 #ifdef GST_EXT_CURRENT_BYTES
122 /* Copy of glib's g_fopen due to win32 libc/cross-DLL brokenness: we can't
123 * use the 'file pointer' opened in glib (and returned from this function)
124 * in this library, as they may have unrelated C runtimes. */
126 gst_fopen (const gchar * filename, const gchar * mode)
129 wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
134 if (wfilename == NULL) {
139 wmode = g_utf8_to_utf16 (mode, -1, NULL, NULL, NULL);
147 retval = _wfopen (wfilename, wmode);
156 return fopen (filename, mode);
160 static void gst_file_sink_dispose (GObject * object);
162 static void gst_file_sink_set_property (GObject * object, guint prop_id,
163 const GValue * value, GParamSpec * pspec);
164 static void gst_file_sink_get_property (GObject * object, guint prop_id,
165 GValue * value, GParamSpec * pspec);
167 static gboolean gst_file_sink_open_file (GstFileSink * sink);
168 static void gst_file_sink_close_file (GstFileSink * sink);
170 static gboolean gst_file_sink_start (GstBaseSink * sink);
171 static gboolean gst_file_sink_stop (GstBaseSink * sink);
172 static gboolean gst_file_sink_event (GstBaseSink * sink, GstEvent * event);
173 static GstFlowReturn gst_file_sink_render (GstBaseSink * sink,
175 static GstFlowReturn gst_file_sink_render_list (GstBaseSink * sink,
176 GstBufferList * list);
178 static gboolean gst_file_sink_do_seek (GstFileSink * filesink,
180 static gboolean gst_file_sink_get_current_offset (GstFileSink * filesink,
183 static gboolean gst_file_sink_query (GstBaseSink * bsink, GstQuery * query);
185 static void gst_file_sink_uri_handler_init (gpointer g_iface,
186 gpointer iface_data);
189 G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER, gst_file_sink_uri_handler_init); \
190 GST_DEBUG_CATEGORY_INIT (gst_file_sink_debug, "filesink", 0, "filesink element");
191 #define gst_file_sink_parent_class parent_class
192 G_DEFINE_TYPE_WITH_CODE (GstFileSink, gst_file_sink, GST_TYPE_BASE_SINK,
196 gst_file_sink_class_init (GstFileSinkClass * klass)
198 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
199 GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
200 GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS (klass);
202 gobject_class->dispose = gst_file_sink_dispose;
204 gobject_class->set_property = gst_file_sink_set_property;
205 gobject_class->get_property = gst_file_sink_get_property;
207 g_object_class_install_property (gobject_class, PROP_LOCATION,
208 g_param_spec_string ("location", "File Location",
209 "Location of the file to write", NULL,
210 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
212 g_object_class_install_property (gobject_class, PROP_BUFFER_MODE,
213 g_param_spec_enum ("buffer-mode", "Buffering mode",
214 "The buffering mode to use", GST_TYPE_FILE_SINK_BUFFER_MODE,
215 DEFAULT_BUFFER_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
217 g_object_class_install_property (gobject_class, PROP_BUFFER_SIZE,
218 g_param_spec_uint ("buffer-size", "Buffering size",
219 "Size of buffer in number of bytes for line or full buffer-mode", 0,
220 G_MAXUINT, DEFAULT_BUFFER_SIZE,
221 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
222 #ifdef GST_EXT_CURRENT_BYTES
223 g_object_class_install_property (gobject_class, PROP_CURRENT_BYTES,
224 g_param_spec_uint64 ("current-bytes", "Current bytes",
225 "downloaded bytes so far", 0,
227 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
233 * Append to an already existing file.
235 g_object_class_install_property (gobject_class, PROP_APPEND,
236 g_param_spec_boolean ("append", "Append",
237 "Append to an already existing file", DEFAULT_APPEND,
238 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
240 gst_element_class_set_static_metadata (gstelement_class,
242 "Sink/File", "Write stream to a file",
243 "Thomas Vander Stichele <thomas at apestaart dot org>");
244 gst_element_class_add_pad_template (gstelement_class,
245 gst_static_pad_template_get (&sinktemplate));
247 gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_file_sink_start);
248 gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_file_sink_stop);
249 gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_file_sink_query);
250 gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_file_sink_render);
251 gstbasesink_class->render_list =
252 GST_DEBUG_FUNCPTR (gst_file_sink_render_list);
253 gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_file_sink_event);
255 if (sizeof (off_t) < 8) {
256 GST_LOG ("No large file support, sizeof (off_t) = %" G_GSIZE_FORMAT "!",
262 gst_file_sink_init (GstFileSink * filesink)
264 filesink->filename = NULL;
265 filesink->file = NULL;
266 filesink->current_pos = 0;
267 filesink->buffer_mode = DEFAULT_BUFFER_MODE;
268 filesink->buffer_size = DEFAULT_BUFFER_SIZE;
269 filesink->buffer = NULL;
270 filesink->append = FALSE;
272 gst_base_sink_set_sync (GST_BASE_SINK (filesink), FALSE);
276 gst_file_sink_dispose (GObject * object)
278 GstFileSink *sink = GST_FILE_SINK (object);
280 G_OBJECT_CLASS (parent_class)->dispose (object);
284 g_free (sink->filename);
285 sink->filename = NULL;
286 g_free (sink->buffer);
288 sink->buffer_size = 0;
292 gst_file_sink_set_location (GstFileSink * sink, const gchar * location,
298 g_free (sink->filename);
300 if (location != NULL) {
301 /* we store the filename as we received it from the application. On Windows
302 * this should be in UTF8 */
303 sink->filename = g_strdup (location);
304 sink->uri = gst_filename_to_uri (location, NULL);
305 GST_INFO_OBJECT (sink, "filename : %s", sink->filename);
306 GST_INFO_OBJECT (sink, "uri : %s", sink->uri);
308 sink->filename = NULL;
317 g_warning ("Changing the `location' property on filesink when a file is "
318 "open is not supported.");
319 g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_STATE,
320 "Changing the 'location' property on filesink when a file is "
321 "open is not supported");
327 gst_file_sink_set_property (GObject * object, guint prop_id,
328 const GValue * value, GParamSpec * pspec)
330 GstFileSink *sink = GST_FILE_SINK (object);
334 gst_file_sink_set_location (sink, g_value_get_string (value), NULL);
336 case PROP_BUFFER_MODE:
337 sink->buffer_mode = g_value_get_enum (value);
339 case PROP_BUFFER_SIZE:
340 sink->buffer_size = g_value_get_uint (value);
343 sink->append = g_value_get_boolean (value);
346 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
352 gst_file_sink_get_property (GObject * object, guint prop_id, GValue * value,
355 GstFileSink *sink = GST_FILE_SINK (object);
359 g_value_set_string (value, sink->filename);
361 case PROP_BUFFER_MODE:
362 g_value_set_enum (value, sink->buffer_mode);
364 case PROP_BUFFER_SIZE:
365 g_value_set_uint (value, sink->buffer_size);
368 g_value_set_boolean (value, sink->append);
370 #ifdef GST_EXT_CURRENT_BYTES
371 case PROP_CURRENT_BYTES:
372 g_value_set_uint64(value, sink->current_pos);
376 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
382 gst_file_sink_open_file (GstFileSink * sink)
387 if (sink->filename == NULL || sink->filename[0] == '\0')
391 sink->file = gst_fopen (sink->filename, "ab");
393 sink->file = gst_fopen (sink->filename, "wb");
394 if (sink->file == NULL)
397 /* see if we are asked to perform a specific kind of buffering */
398 if ((mode = sink->buffer_mode) != -1) {
401 /* free previous buffer if any */
402 g_free (sink->buffer);
404 if (mode == _IONBF) {
409 /* allocate buffer */
410 sink->buffer = g_malloc (sink->buffer_size);
411 buffer_size = sink->buffer_size;
413 /* Cygwin does not have __fbufsize */
414 #if defined(HAVE_STDIO_EXT_H) && !defined(__CYGWIN__)
415 GST_DEBUG_OBJECT (sink, "change buffer size %u to %u, mode %d",
416 (guint) __fbufsize (sink->file), buffer_size, mode);
418 GST_DEBUG_OBJECT (sink, "change buffer size to %u, mode %d",
419 sink->buffer_size, mode);
421 if (setvbuf (sink->file, sink->buffer, mode, buffer_size) != 0) {
422 GST_WARNING_OBJECT (sink, "warning: setvbuf failed: %s",
427 sink->current_pos = 0;
428 /* try to seek in the file to figure out if it is seekable */
429 sink->seekable = gst_file_sink_do_seek (sink, 0);
431 GST_DEBUG_OBJECT (sink, "opened file %s, seekable %d",
432 sink->filename, sink->seekable);
439 GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND,
440 (_("No file name specified for writing.")), (NULL));
445 GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
446 (_("Could not open file \"%s\" for writing."), sink->filename),
453 gst_file_sink_close_file (GstFileSink * sink)
456 if (fclose (sink->file) != 0)
459 GST_DEBUG_OBJECT (sink, "closed file");
462 g_free (sink->buffer);
470 GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
471 (_("Error closing file \"%s\"."), sink->filename), GST_ERROR_SYSTEM);
477 gst_file_sink_query (GstBaseSink * bsink, GstQuery * query)
483 self = GST_FILE_SINK (bsink);
485 switch (GST_QUERY_TYPE (query)) {
486 case GST_QUERY_POSITION:
487 gst_query_parse_position (query, &format, NULL);
490 case GST_FORMAT_DEFAULT:
491 case GST_FORMAT_BYTES:
492 gst_query_set_position (query, GST_FORMAT_BYTES, self->current_pos);
501 case GST_QUERY_FORMATS:
502 gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
507 gst_query_set_uri (query, self->uri);
511 case GST_QUERY_SEEKING:
512 gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
513 if (format == GST_FORMAT_BYTES || format == GST_FORMAT_DEFAULT) {
514 gst_query_set_seeking (query, GST_FORMAT_BYTES, self->seekable, 0, -1);
516 gst_query_set_seeking (query, format, FALSE, 0, -1);
522 res = GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
529 # define __GST_STDIO_SEEK_FUNCTION "fseeko"
530 #elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
531 # define __GST_STDIO_SEEK_FUNCTION "lseek"
533 # define __GST_STDIO_SEEK_FUNCTION "fseek"
537 gst_file_sink_do_seek (GstFileSink * filesink, guint64 new_offset)
539 GST_DEBUG_OBJECT (filesink, "Seeking to offset %" G_GUINT64_FORMAT
540 " using " __GST_STDIO_SEEK_FUNCTION, new_offset);
542 if (fflush (filesink->file))
546 if (fseeko (filesink->file, (off_t) new_offset, SEEK_SET) != 0)
548 #elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
549 if (lseek (fileno (filesink->file), (off_t) new_offset,
550 SEEK_SET) == (off_t) - 1)
553 if (fseek (filesink->file, (long) new_offset, SEEK_SET) != 0)
557 /* adjust position reporting after seek;
558 * presumably this should basically yield new_offset */
559 gst_file_sink_get_current_offset (filesink, &filesink->current_pos);
566 GST_DEBUG_OBJECT (filesink, "Flush failed: %s", g_strerror (errno));
571 GST_DEBUG_OBJECT (filesink, "Seeking failed: %s", g_strerror (errno));
576 /* handle events (search) */
578 gst_file_sink_event (GstBaseSink * sink, GstEvent * event)
581 GstFileSink *filesink;
583 filesink = GST_FILE_SINK (sink);
585 type = GST_EVENT_TYPE (event);
588 case GST_EVENT_SEGMENT:
590 const GstSegment *segment;
592 gst_event_parse_segment (event, &segment);
594 if (segment->format == GST_FORMAT_BYTES) {
595 /* only try to seek and fail when we are going to a different
597 if (filesink->current_pos != segment->start) {
598 /* FIXME, the seek should be performed on the pos field, start/stop are
599 * just boundaries for valid bytes offsets. We should also fill the file
600 * with zeroes if the new position extends the current EOF (sparse streams
601 * and segment accumulation). */
602 if (!gst_file_sink_do_seek (filesink, (guint64) segment->start))
605 GST_DEBUG_OBJECT (filesink, "Ignored SEGMENT, no seek needed");
608 GST_DEBUG_OBJECT (filesink,
609 "Ignored SEGMENT event of format %u (%s)", (guint) segment->format,
610 gst_format_get_name (segment->format));
614 case GST_EVENT_FLUSH_STOP:
615 if (filesink->current_pos != 0 && filesink->seekable) {
616 gst_file_sink_do_seek (filesink, 0);
617 if (ftruncate (fileno (filesink->file), 0))
622 if (fflush (filesink->file))
629 return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
634 GST_ELEMENT_ERROR (filesink, RESOURCE, SEEK,
635 (_("Error while seeking in file \"%s\"."), filesink->filename),
637 gst_event_unref (event);
642 GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
643 (_("Error while writing to file \"%s\"."), filesink->filename),
645 gst_event_unref (event);
651 gst_file_sink_get_current_offset (GstFileSink * filesink, guint64 * p_pos)
656 ret = ftello (filesink->file);
657 #elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
658 if (fflush (filesink->file)) {
659 GST_DEBUG_OBJECT (filesink, "Flush failed: %s", g_strerror (errno));
660 /* ignore and continue */
662 ret = lseek (fileno (filesink->file), 0, SEEK_CUR);
664 ret = (off_t) ftell (filesink->file);
667 if (ret != (off_t) - 1)
668 *p_pos = (guint64) ret;
670 return (ret != (off_t) - 1);
674 gst_file_sink_render_buffers (GstFileSink * sink, GstBuffer ** buffers,
675 guint num_buffers, guint8 * mem_nums, guint total_mems)
677 GST_DEBUG_OBJECT (sink,
678 "writing %u buffers (%u memories) at position %" G_GUINT64_FORMAT,
679 num_buffers, total_mems, sink->current_pos);
681 return gst_writev_buffers (GST_OBJECT_CAST (sink), fileno (sink->file), NULL,
682 buffers, num_buffers, mem_nums, total_mems, NULL, &sink->current_pos);
686 gst_file_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
693 guint i, num_buffers;
694 gboolean sync_after = FALSE;
696 sink = GST_FILE_SINK_CAST (bsink);
698 num_buffers = gst_buffer_list_length (buffer_list);
699 if (num_buffers == 0)
702 /* extract buffers from list and count memories */
703 buffers = g_newa (GstBuffer *, num_buffers);
704 mem_nums = g_newa (guint8, num_buffers);
705 for (i = 0, total_mems = 0; i < num_buffers; ++i) {
706 buffers[i] = gst_buffer_list_get (buffer_list, i);
707 mem_nums[i] = gst_buffer_n_memory (buffers[i]);
708 total_mems += mem_nums[i];
709 if (GST_BUFFER_FLAG_IS_SET (buffers[i], GST_BUFFER_FLAG_SYNC_AFTER))
714 gst_file_sink_render_buffers (sink, buffers, num_buffers, mem_nums,
717 if (flow == GST_FLOW_OK && sync_after) {
718 if (fflush (sink->file) || fsync (fileno (sink->file))) {
719 GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
720 (_("Error while writing to file \"%s\"."), sink->filename),
721 ("%s", g_strerror (errno)));
722 flow = GST_FLOW_ERROR;
730 GST_LOG_OBJECT (sink, "empty buffer list");
736 gst_file_sink_render (GstBaseSink * sink, GstBuffer * buffer)
738 GstFileSink *filesink;
742 filesink = GST_FILE_SINK_CAST (sink);
744 n_mem = gst_buffer_n_memory (buffer);
747 flow = gst_file_sink_render_buffers (filesink, &buffer, 1, &n_mem, n_mem);
751 if (flow == GST_FLOW_OK &&
752 GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_SYNC_AFTER)) {
753 if (fflush (filesink->file) || fsync (fileno (filesink->file))) {
754 GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
755 (_("Error while writing to file \"%s\"."), filesink->filename),
756 ("%s", g_strerror (errno)));
757 flow = GST_FLOW_ERROR;
765 gst_file_sink_start (GstBaseSink * basesink)
767 return gst_file_sink_open_file (GST_FILE_SINK (basesink));
771 gst_file_sink_stop (GstBaseSink * basesink)
773 gst_file_sink_close_file (GST_FILE_SINK (basesink));
777 /*** GSTURIHANDLER INTERFACE *************************************************/
780 gst_file_sink_uri_get_type (GType type)
785 static const gchar *const *
786 gst_file_sink_uri_get_protocols (GType type)
788 static const gchar *protocols[] = { "file", NULL };
794 gst_file_sink_uri_get_uri (GstURIHandler * handler)
796 GstFileSink *sink = GST_FILE_SINK (handler);
798 /* FIXME: make thread-safe */
799 return g_strdup (sink->uri);
803 gst_file_sink_uri_set_uri (GstURIHandler * handler, const gchar * uri,
808 GstFileSink *sink = GST_FILE_SINK (handler);
810 /* allow file://localhost/foo/bar by stripping localhost but fail
811 * for every other hostname */
812 if (g_str_has_prefix (uri, "file://localhost/")) {
815 /* 16 == strlen ("file://localhost") */
816 tmp = g_strconcat ("file://", uri + 16, NULL);
817 /* we use gst_uri_get_location() although we already have the
818 * "location" with uri + 16 because it provides unescaping */
819 location = gst_uri_get_location (tmp);
821 } else if (strcmp (uri, "file://") == 0) {
822 /* Special case for "file://" as this is used by some applications
823 * to test with gst_element_make_from_uri if there's an element
824 * that supports the URI protocol. */
825 gst_file_sink_set_location (sink, NULL, NULL);
828 location = gst_uri_get_location (uri);
832 g_set_error_literal (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
833 "File URI without location");
837 if (!g_path_is_absolute (location)) {
838 g_set_error_literal (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
839 "File URI location must be an absolute path");
844 ret = gst_file_sink_set_location (sink, location, error);
851 gst_file_sink_uri_handler_init (gpointer g_iface, gpointer iface_data)
853 GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
855 iface->get_type = gst_file_sink_uri_get_type;
856 iface->get_protocols = gst_file_sink_uri_get_protocols;
857 iface->get_uri = gst_file_sink_uri_get_uri;
858 iface->set_uri = gst_file_sink_uri_set_uri;