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multifilesink: add max-files property

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Add max-files property to limit the number of files saved on disk.

API: multifilesink::max-files
This commit is contained in:
Alessandro Decina 2011-07-18 09:38:26 +02:00
parent c9096c6829
commit 072bd74cc4
3 changed files with 114 additions and 7 deletions
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62
gst/multifile/gstmultifilesink.c
View file

@ -125,6 +125,7 @@ GST_DEBUG_CATEGORY_STATIC (gst_multi_file_sink_debug);
#define DEFAULT_INDEX 0
#define DEFAULT_POST_MESSAGES FALSE
#define DEFAULT_NEXT_FILE GST_MULTI_FILE_SINK_NEXT_BUFFER
#define DEFAULT_MAX_FILES 0
enum
{
@ -133,6 +134,7 @@ enum
PROP_INDEX,
PROP_POST_MESSAGES,
PROP_NEXT_FILE,
PROP_MAX_FILES,
PROP_LAST
};
@ -152,6 +154,8 @@ static gboolean gst_multi_file_sink_open_next_file (GstMultiFileSink *
multifilesink);
static void gst_multi_file_sink_close_file (GstMultiFileSink * multifilesink,
GstBuffer * buffer);
static void gst_multi_file_sink_ensure_max_files (GstMultiFileSink *
multifilesink);
#define GST_TYPE_MULTI_FILE_SINK_NEXT (gst_multi_file_sink_next_get_type ())
static GType
@ -238,6 +242,22 @@ gst_multi_file_sink_class_init (GstMultiFileSinkClass * klass)
GST_TYPE_MULTI_FILE_SINK_NEXT, DEFAULT_NEXT_FILE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_STATIC_STRINGS));
/**
* GstMultiFileSink:max-files
*
* Maximum number of files to keep on disk. Once the maximum is reached, old
* files start to be deleted to make room for new ones.
*
* Since: 0.10.31
*/
g_object_class_install_property (gobject_class, PROP_MAX_FILES,
g_param_spec_uint ("max-files", "Max files",
"Maximum number of files to keep on disk. Once the maximum is reached,"
"old files start to be deleted to make room for new ones.",
0, G_MAXUINT, DEFAULT_MAX_FILES,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gobject_class->finalize = gst_multi_file_sink_finalize;
gstbasesink_class->get_times = NULL;
@ -254,6 +274,9 @@ gst_multi_file_sink_init (GstMultiFileSink * multifilesink,
multifilesink->filename = g_strdup (DEFAULT_LOCATION);
multifilesink->index = DEFAULT_INDEX;
multifilesink->post_messages = DEFAULT_POST_MESSAGES;
multifilesink->max_files = DEFAULT_MAX_FILES;
multifilesink->files = NULL;
multifilesink->n_files = 0;
gst_base_sink_set_sync (GST_BASE_SINK (multifilesink), FALSE);
@ -266,6 +289,7 @@ gst_multi_file_sink_finalize (GObject * object)
GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object);
g_free (sink->filename);
g_slist_free_full (sink->files, (GDestroyNotify) g_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
@ -300,6 +324,9 @@ gst_multi_file_sink_set_property (GObject * object, guint prop_id,
case PROP_NEXT_FILE:
sink->next_file = g_value_get_enum (value);
break;
case PROP_MAX_FILES:
sink->max_files = g_value_get_uint (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -325,6 +352,9 @@ gst_multi_file_sink_get_property (GObject * object, guint prop_id,
case PROP_NEXT_FILE:
g_value_set_enum (value, sink->next_file);
break;
case PROP_MAX_FILES:
g_value_set_uint (value, sink->max_files);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -410,17 +440,20 @@ gst_multi_file_sink_render (GstBaseSink * sink, GstBuffer * buffer)
switch (multifilesink->next_file) {
case GST_MULTI_FILE_SINK_NEXT_BUFFER:
gst_multi_file_sink_ensure_max_files (multifilesink);
filename = g_strdup_printf (multifilesink->filename,
multifilesink->index);
ret = g_file_set_contents (filename, (char *) data, size, &error);
if (!ret)
goto write_error;
multifilesink->files = g_slist_append (multifilesink->files, filename);
multifilesink->n_files += 1;
gst_multi_file_sink_post_message (multifilesink, buffer, filename);
multifilesink->index++;
g_free (filename);
break;
case GST_MULTI_FILE_SINK_NEXT_DISCONT:
if (GST_BUFFER_IS_DISCONT (buffer)) {
@ -550,6 +583,21 @@ gst_multi_file_sink_set_caps (GstBaseSink * sink, GstCaps * caps)
return TRUE;
}
static void
gst_multi_file_sink_ensure_max_files (GstMultiFileSink * multifilesink)
{
char *filename;
while (multifilesink->max_files &&
multifilesink->n_files >= multifilesink->max_files) {
filename = multifilesink->files->data;
g_remove (filename);
multifilesink->files = g_slist_delete_link (multifilesink->files,
multifilesink->files);
multifilesink->n_files -= 1;
}
}
static gboolean
gst_multi_file_sink_open_next_file (GstMultiFileSink * multifilesink)
{
@ -557,12 +605,16 @@ gst_multi_file_sink_open_next_file (GstMultiFileSink * multifilesink)
g_return_val_if_fail (multifilesink->file == NULL, FALSE);
gst_multi_file_sink_ensure_max_files (multifilesink);
filename = g_strdup_printf (multifilesink->filename, multifilesink->index);
multifilesink->file = g_fopen (filename, "wb");
g_free (filename);
if (multifilesink->file == NULL)
if (multifilesink->file == NULL) {
g_free (filename);
return FALSE;
}
multifilesink->files = g_slist_append (multifilesink->files, filename);
multifilesink->n_files += 1;
return TRUE;
}

3
gst/multifile/gstmultifilesink.h
View file

@ -67,6 +67,9 @@ struct _GstMultiFileSink
gboolean post_messages;
GstMultiFileSinkNext next_file;
FILE *file;
guint max_files;
GSList *files;
guint n_files;
gint64 next_segment;

56
tests/check/elements/multifile.c
View file

@ -54,7 +54,7 @@ g_mkdtemp (const gchar * template)
return tmpdir;
}
GST_START_TEST (test_multifilesink)
GST_START_TEST (test_multifilesink_key_frame)
{
GstElement *pipeline;
GstElement *mfs;
@ -98,6 +98,57 @@ GST_START_TEST (test_multifilesink)
GST_END_TEST;
GST_START_TEST (test_multifilesink_max_files)
{
GstElement *pipeline;
GstElement *mfs;
int i;
const gchar *tmpdir;
gchar *my_tmpdir;
gchar *template;
gchar *mfs_pattern;
tmpdir = g_get_tmp_dir ();
template = g_build_filename (tmpdir, "multifile-test-XXXXXX", NULL);
my_tmpdir = g_mkdtemp (template);
fail_if (my_tmpdir == NULL);
pipeline =
gst_parse_launch
("videotestsrc num-buffers=10 ! video/x-raw-yuv,format=(fourcc)I420,width=320,height=240 ! multifilesink name=mfs",
NULL);
fail_if (pipeline == NULL);
mfs = gst_bin_get_by_name (GST_BIN (pipeline), "mfs");
fail_if (mfs == NULL);
mfs_pattern = g_build_filename (my_tmpdir, "%05d", NULL);
g_object_set (G_OBJECT (mfs), "location", mfs_pattern, "max-files", 3, NULL);
g_object_unref (mfs);
run_pipeline (pipeline);
gst_object_unref (pipeline);
for (i = 0; i < 7; i++) {
char *s;
s = g_strdup_printf (mfs_pattern, i);
fail_unless (g_remove (s) != 0);
g_free (s);
}
for (i = 7; i < 10; i++) {
char *s;
s = g_strdup_printf (mfs_pattern, i);
fail_if (g_remove (s) != 0);
g_free (s);
}
fail_if (g_remove (my_tmpdir) != 0);
g_free (mfs_pattern);
g_free (my_tmpdir);
g_free (template);
}
GST_END_TEST;
GST_START_TEST (test_multifilesrc)
{
GstElement *pipeline;
@ -164,7 +215,8 @@ libvisual_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_multifilesink);
tcase_add_test (tc_chain, test_multifilesink_key_frame);
tcase_add_test (tc_chain, test_multifilesink_max_files);
tcase_add_test (tc_chain, test_multifilesrc);
return s;