/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen * 2000 Wim Taymans * 2006 Wim Taymans * 2006 David A. Schleef * * gstmultifilesink.c: * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /** * SECTION:element-multifilesink * @see_also: #GstFileSrc * * Write incoming data to a series of sequentially-named files. * * The filename property should contain a string with a \%d placeholder that will * be substituted with the index for each filename. * * If the #GstMultiFileSink:post-messages property is #TRUE, it sends an application * message named * "GstMultiFileSink" after writing each * buffer. * * The message's structure contains these fields: * * * * #gchar * * "filename": * the filename where the buffer was written. * * * * * #gint * "index": * the index of the buffer. * * * * * #GstClockTime * "timestamp": * the timestamp of the buffer. * * * * * #GstClockTime * "stream-time": * the stream time of the buffer. * * * * * #GstClockTime * "running-time": * the running_time of the buffer. * * * * * #GstClockTime * "duration": * the duration of the buffer. * * * * * #guint64 * "offset": * the offset of the buffer that triggered the message. * * * * * #guint64 * "offset-end": * the offset-end of the buffer that triggered the message. * * * * * * Example launch line * |[ * gst-launch audiotestsrc ! multifilesink * gst-launch videotestsrc ! multifilesink post-messages=true filename="frame%d" * ]| * * * Last reviewed on 2009-09-11 (0.10.17) */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include "gstmultifilesink.h" static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS_ANY); GST_DEBUG_CATEGORY_STATIC (gst_multi_file_sink_debug); #define GST_CAT_DEFAULT gst_multi_file_sink_debug #define DEFAULT_LOCATION "%05d" #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 { PROP_0, PROP_LOCATION, PROP_INDEX, PROP_POST_MESSAGES, PROP_NEXT_FILE, PROP_MAX_FILES, PROP_LAST }; static void gst_multi_file_sink_finalize (GObject * object); static void gst_multi_file_sink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); static void gst_multi_file_sink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); static gboolean gst_multi_file_sink_stop (GstBaseSink * sink); static GstFlowReturn gst_multi_file_sink_render (GstBaseSink * sink, GstBuffer * buffer); static gboolean gst_multi_file_sink_set_caps (GstBaseSink * sink, GstCaps * caps); 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 gst_multi_file_sink_next_get_type (void) { static GType multi_file_sync_next_type = 0; static const GEnumValue next_types[] = { {GST_MULTI_FILE_SINK_NEXT_BUFFER, "New file for each buffer", "buffer"}, {GST_MULTI_FILE_SINK_NEXT_DISCONT, "New file after each discontinuity", "discont"}, {GST_MULTI_FILE_SINK_NEXT_KEY_FRAME, "New file at each key frame " "(Useful for MPEG-TS segmenting)", "key-frame"}, {0, NULL, NULL} }; if (!multi_file_sync_next_type) { multi_file_sync_next_type = g_enum_register_static ("GstMultiFileSinkNext", next_types); } return multi_file_sync_next_type; } GST_BOILERPLATE (GstMultiFileSink, gst_multi_file_sink, GstBaseSink, GST_TYPE_BASE_SINK); static void gst_multi_file_sink_base_init (gpointer g_class) { GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class); GST_DEBUG_CATEGORY_INIT (gst_multi_file_sink_debug, "multifilesink", 0, "multifilesink element"); gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&sinktemplate)); gst_element_class_set_details_simple (gstelement_class, "Multi-File Sink", "Sink/File", "Write buffers to a sequentially named set of files", "David Schleef "); } static void gst_multi_file_sink_class_init (GstMultiFileSinkClass * klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS (klass); gobject_class->set_property = gst_multi_file_sink_set_property; gobject_class->get_property = gst_multi_file_sink_get_property; g_object_class_install_property (gobject_class, PROP_LOCATION, g_param_spec_string ("location", "File Location", "Location of the file to write", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); g_object_class_install_property (gobject_class, PROP_INDEX, g_param_spec_int ("index", "Index", "Index to use with location property to create file names. The " "index is incremented by one for each buffer written.", 0, G_MAXINT, DEFAULT_INDEX, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstMultiFileSink:post-messages * * Post a message on the GstBus for each file. * * Since: 0.10.17 */ g_object_class_install_property (gobject_class, PROP_POST_MESSAGES, g_param_spec_boolean ("post-messages", "Post Messages", "Post a message for each file with information of the buffer", DEFAULT_POST_MESSAGES, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); /** * GstMultiFileSink:next-file * * When to start a new file. * * Since: 0.10.17 */ g_object_class_install_property (gobject_class, PROP_NEXT_FILE, g_param_spec_enum ("next-file", "Next File", "When to start a new file", 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; gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_multi_file_sink_stop); gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_multi_file_sink_render); gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_multi_file_sink_set_caps); } static void gst_multi_file_sink_init (GstMultiFileSink * multifilesink, GstMultiFileSinkClass * g_class) { 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); multifilesink->next_segment = GST_CLOCK_TIME_NONE; } static void gst_multi_file_sink_finalize (GObject * object) { GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object); g_free (sink->filename); g_slist_foreach (sink->files, (GFunc) g_free, NULL); g_slist_free (sink->files); G_OBJECT_CLASS (parent_class)->finalize (object); } static gboolean gst_multi_file_sink_set_location (GstMultiFileSink * sink, const gchar * location) { g_free (sink->filename); /* FIXME: validate location to have just one %d */ sink->filename = g_strdup (location); return TRUE; } static void gst_multi_file_sink_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object); switch (prop_id) { case PROP_LOCATION: gst_multi_file_sink_set_location (sink, g_value_get_string (value)); break; case PROP_INDEX: sink->index = g_value_get_int (value); break; case PROP_POST_MESSAGES: sink->post_messages = g_value_get_boolean (value); break; 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; } } static void gst_multi_file_sink_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object); switch (prop_id) { case PROP_LOCATION: g_value_set_string (value, sink->filename); break; case PROP_INDEX: g_value_set_int (value, sink->index); break; case PROP_POST_MESSAGES: g_value_set_boolean (value, sink->post_messages); break; 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; } } static gboolean gst_multi_file_sink_stop (GstBaseSink * sink) { GstMultiFileSink *multifilesink; int i; multifilesink = GST_MULTI_FILE_SINK (sink); if (multifilesink->file != NULL) { fclose (multifilesink->file); multifilesink->file = NULL; } if (multifilesink->streamheaders) { for (i = 0; i < multifilesink->n_streamheaders; i++) { gst_buffer_unref (multifilesink->streamheaders[i]); } g_free (multifilesink->streamheaders); } return TRUE; } static void gst_multi_file_sink_post_message (GstMultiFileSink * multifilesink, GstBuffer * buffer, const char *filename) { if (multifilesink->post_messages) { GstClockTime duration, timestamp; GstClockTime running_time, stream_time; guint64 offset, offset_end; GstStructure *s; GstSegment *segment; GstFormat format; segment = &GST_BASE_SINK (multifilesink)->segment; format = segment->format; timestamp = GST_BUFFER_TIMESTAMP (buffer); duration = GST_BUFFER_DURATION (buffer); offset = GST_BUFFER_OFFSET (buffer); offset_end = GST_BUFFER_OFFSET_END (buffer); running_time = gst_segment_to_running_time (segment, format, timestamp); stream_time = gst_segment_to_stream_time (segment, format, timestamp); s = gst_structure_new ("GstMultiFileSink", "filename", G_TYPE_STRING, filename, "index", G_TYPE_INT, multifilesink->index, "timestamp", G_TYPE_UINT64, timestamp, "stream-time", G_TYPE_UINT64, stream_time, "running-time", G_TYPE_UINT64, running_time, "duration", G_TYPE_UINT64, duration, "offset", G_TYPE_UINT64, offset, "offset-end", G_TYPE_UINT64, offset_end, NULL); gst_element_post_message (GST_ELEMENT_CAST (multifilesink), gst_message_new_element (GST_OBJECT_CAST (multifilesink), s)); } } static GstFlowReturn gst_multi_file_sink_render (GstBaseSink * sink, GstBuffer * buffer) { GstMultiFileSink *multifilesink; guint size; guint8 *data; gchar *filename; gboolean ret; GError *error = NULL; size = GST_BUFFER_SIZE (buffer); data = GST_BUFFER_DATA (buffer); multifilesink = GST_MULTI_FILE_SINK (sink); 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++; break; case GST_MULTI_FILE_SINK_NEXT_DISCONT: if (GST_BUFFER_IS_DISCONT (buffer)) { if (multifilesink->file) gst_multi_file_sink_close_file (multifilesink, buffer); } if (multifilesink->file == NULL) { if (!gst_multi_file_sink_open_next_file (multifilesink)) goto stdio_write_error; } ret = fwrite (GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), 1, multifilesink->file); if (ret != 1) goto stdio_write_error; break; case GST_MULTI_FILE_SINK_NEXT_KEY_FRAME: if (multifilesink->next_segment == GST_CLOCK_TIME_NONE) { if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) { multifilesink->next_segment = GST_BUFFER_TIMESTAMP (buffer) + 10 * GST_SECOND; } } if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer) && GST_BUFFER_TIMESTAMP (buffer) >= multifilesink->next_segment && !GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT)) { if (multifilesink->file) gst_multi_file_sink_close_file (multifilesink, buffer); multifilesink->next_segment += 10 * GST_SECOND; } if (multifilesink->file == NULL) { int i; if (!gst_multi_file_sink_open_next_file (multifilesink)) goto stdio_write_error; if (multifilesink->streamheaders) { for (i = 0; i < multifilesink->n_streamheaders; i++) { ret = fwrite (GST_BUFFER_DATA (multifilesink->streamheaders[i]), GST_BUFFER_SIZE (multifilesink->streamheaders[i]), 1, multifilesink->file); if (ret != 1) goto stdio_write_error; } } } ret = fwrite (GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), 1, multifilesink->file); if (ret != 1) goto stdio_write_error; break; default: g_assert_not_reached (); } return GST_FLOW_OK; /* ERRORS */ write_error: { switch (error->code) { case G_FILE_ERROR_NOSPC:{ GST_ELEMENT_ERROR (multifilesink, RESOURCE, NO_SPACE_LEFT, (NULL), (NULL)); break; } default:{ GST_ELEMENT_ERROR (multifilesink, RESOURCE, WRITE, ("Error while writing to file \"%s\".", filename), ("%s", g_strerror (errno))); } } g_error_free (error); g_free (filename); return GST_FLOW_ERROR; } stdio_write_error: GST_ELEMENT_ERROR (multifilesink, RESOURCE, WRITE, ("Error while writing to file."), (NULL)); return GST_FLOW_ERROR; } static gboolean gst_multi_file_sink_set_caps (GstBaseSink * sink, GstCaps * caps) { GstMultiFileSink *multifilesink; GstStructure *structure; multifilesink = GST_MULTI_FILE_SINK (sink); structure = gst_caps_get_structure (caps, 0); if (structure) { const GValue *value; value = gst_structure_get_value (structure, "streamheader"); if (GST_VALUE_HOLDS_ARRAY (value)) { int i; if (multifilesink->streamheaders) { for (i = 0; i < multifilesink->n_streamheaders; i++) { gst_buffer_unref (multifilesink->streamheaders[i]); } g_free (multifilesink->streamheaders); } multifilesink->n_streamheaders = gst_value_array_get_size (value); multifilesink->streamheaders = g_malloc (sizeof (GstBuffer *) * multifilesink->n_streamheaders); for (i = 0; i < multifilesink->n_streamheaders; i++) { multifilesink->streamheaders[i] = gst_buffer_ref (gst_value_get_buffer (gst_value_array_get_value (value, i))); } } } 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) { char *filename; 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"); if (multifilesink->file == NULL) { g_free (filename); return FALSE; } multifilesink->files = g_slist_append (multifilesink->files, filename); multifilesink->n_files += 1; return TRUE; } static void gst_multi_file_sink_close_file (GstMultiFileSink * multifilesink, GstBuffer * buffer) { char *filename; fclose (multifilesink->file); multifilesink->file = NULL; if (buffer) { filename = g_strdup_printf (multifilesink->filename, multifilesink->index); gst_multi_file_sink_post_message (multifilesink, buffer, filename); g_free (filename); } multifilesink->index++; }