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573 lines
17 KiB
C
573 lines
17 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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* 2006 Wim Taymans <wim@fluendo.com>
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* 2006 David A. Schleef <ds@schleef.org>
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*
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* gstmultifilesink.c:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:element-multifilesink
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* @see_also: #GstFileSrc
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*
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* Write incoming data to a series of sequentially-named files.
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*
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* The filename property should contain a string with a \%d placeholder that will
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* be substituted with the index for each filename.
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*
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* If the #GstMultiFileSink:post-messages property is #TRUE, it sends an application
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* message named
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* <classname>"GstMultiFileSink"</classname> after writing each
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* buffer.
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*
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* The message's structure contains these fields:
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* <itemizedlist>
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* <listitem>
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* <para>
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* #gchar *
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* <classname>"filename"</classname>:
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* the filename where the buffer was written.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #gint
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* <classname>"index"</classname>:
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* the index of the buffer.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #GstClockTime
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* <classname>"timestamp"</classname>:
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* the timestamp of the buffer.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #GstClockTime
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* <classname>"stream-time"</classname>:
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* the stream time of the buffer.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #GstClockTime
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* <classname>"running-time"</classname>:
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* the running_time of the buffer.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #GstClockTime
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* <classname>"duration"</classname>:
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* the duration of the buffer.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #guint64
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* <classname>"offset"</classname>:
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* the offset of the buffer that triggered the message.
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* </para>
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* </listitem>
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* <listitem>
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* <para>
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* #guint64
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* <classname>"offset-end"</classname>:
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* the offset-end of the buffer that triggered the message.
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* </para>
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* </listitem>
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* </itemizedlist>
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch audiotestsrc ! multifilesink
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* gst-launch videotestsrc ! multifilesink post-messages=true filename="frame%d"
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* ]|
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* </refsect2>
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*
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* Last reviewed on 2009-09-11 (0.10.17)
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gst/base/gstbasetransform.h>
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#include <glib/gstdio.h>
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#include "gstmultifilesink.h"
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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GST_DEBUG_CATEGORY_STATIC (gst_multi_file_sink_debug);
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#define GST_CAT_DEFAULT gst_multi_file_sink_debug
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#define DEFAULT_LOCATION "%05d"
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#define DEFAULT_INDEX 0
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#define DEFAULT_POST_MESSAGES FALSE
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#define DEFAULT_NEXT_FILE GST_MULTI_FILE_SINK_NEXT_BUFFER
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enum
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{
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PROP_0,
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PROP_LOCATION,
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PROP_INDEX,
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PROP_POST_MESSAGES,
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PROP_NEXT_FILE,
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PROP_LAST
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};
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static void gst_multi_file_sink_finalize (GObject * object);
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static void gst_multi_file_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_multi_file_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean gst_multi_file_sink_stop (GstBaseSink * sink);
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static GstFlowReturn gst_multi_file_sink_render (GstBaseSink * sink,
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GstBuffer * buffer);
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static gboolean gst_multi_file_sink_set_caps (GstBaseSink * sink,
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GstCaps * caps);
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#define GST_TYPE_MULTI_FILE_SINK_NEXT (gst_multi_file_sink_next_get_type ())
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static GType
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gst_multi_file_sink_next_get_type (void)
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{
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static GType multi_file_sync_next_type = 0;
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static const GEnumValue next_types[] = {
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{GST_MULTI_FILE_SINK_NEXT_BUFFER, "New file for each buffer", "buffer"},
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{GST_MULTI_FILE_SINK_NEXT_DISCONT, "New file after each discontinuity",
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"discont"},
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{GST_MULTI_FILE_SINK_NEXT_KEY_FRAME, "New file at each key frame "
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"(Useful for MPEG-TS segmenting)", "key-frame"},
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{0, NULL, NULL}
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};
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if (!multi_file_sync_next_type) {
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multi_file_sync_next_type =
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g_enum_register_static ("GstMultiFileSinkNext", next_types);
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}
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return multi_file_sync_next_type;
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}
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GST_BOILERPLATE (GstMultiFileSink, gst_multi_file_sink, GstBaseSink,
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GST_TYPE_BASE_SINK);
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static void
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gst_multi_file_sink_base_init (gpointer g_class)
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{
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
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GST_DEBUG_CATEGORY_INIT (gst_multi_file_sink_debug, "multifilesink", 0,
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"multifilesink element");
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sinktemplate));
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gst_element_class_set_details_simple (gstelement_class, "Multi-File Sink",
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"Sink/File",
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"Write buffers to a sequentially named set of files",
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"David Schleef <ds@schleef.org>");
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}
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static void
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gst_multi_file_sink_class_init (GstMultiFileSinkClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstBaseSinkClass *gstbasesink_class = GST_BASE_SINK_CLASS (klass);
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gobject_class->set_property = gst_multi_file_sink_set_property;
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gobject_class->get_property = gst_multi_file_sink_get_property;
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g_object_class_install_property (gobject_class, PROP_LOCATION,
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g_param_spec_string ("location", "File Location",
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"Location of the file to write", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_INDEX,
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g_param_spec_int ("index", "Index",
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"Index to use with location property to create file names. The "
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"index is incremented by one for each buffer written.",
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0, G_MAXINT, DEFAULT_INDEX,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstMultiFileSink:post-messages
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*
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* Post a message on the GstBus for each file.
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*
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* Since: 0.10.17
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*/
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g_object_class_install_property (gobject_class, PROP_POST_MESSAGES,
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g_param_spec_boolean ("post-messages", "Post Messages",
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"Post a message for each file with information of the buffer",
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DEFAULT_POST_MESSAGES, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstMultiFileSink:next-file
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*
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* When to start a new file.
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*
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* Since: 0.10.17
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*/
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g_object_class_install_property (gobject_class, PROP_NEXT_FILE,
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g_param_spec_enum ("next-file", "Next File",
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"When to start a new file",
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GST_TYPE_MULTI_FILE_SINK_NEXT, DEFAULT_NEXT_FILE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_STATIC_STRINGS));
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gobject_class->finalize = gst_multi_file_sink_finalize;
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gstbasesink_class->get_times = NULL;
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gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_multi_file_sink_stop);
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gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_multi_file_sink_render);
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gstbasesink_class->set_caps =
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GST_DEBUG_FUNCPTR (gst_multi_file_sink_set_caps);
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}
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static void
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gst_multi_file_sink_init (GstMultiFileSink * multifilesink,
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GstMultiFileSinkClass * g_class)
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{
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multifilesink->filename = g_strdup (DEFAULT_LOCATION);
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multifilesink->index = DEFAULT_INDEX;
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multifilesink->post_messages = DEFAULT_POST_MESSAGES;
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gst_base_sink_set_sync (GST_BASE_SINK (multifilesink), FALSE);
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multifilesink->next_segment = GST_CLOCK_TIME_NONE;
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}
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static void
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gst_multi_file_sink_finalize (GObject * object)
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{
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GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object);
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g_free (sink->filename);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_multi_file_sink_set_location (GstMultiFileSink * sink,
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const gchar * location)
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{
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g_free (sink->filename);
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/* FIXME: validate location to have just one %d */
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sink->filename = g_strdup (location);
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return TRUE;
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}
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static void
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gst_multi_file_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object);
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switch (prop_id) {
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case PROP_LOCATION:
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gst_multi_file_sink_set_location (sink, g_value_get_string (value));
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break;
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case PROP_INDEX:
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sink->index = g_value_get_int (value);
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break;
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case PROP_POST_MESSAGES:
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sink->post_messages = g_value_get_boolean (value);
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break;
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case PROP_NEXT_FILE:
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sink->next_file = g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_multi_file_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstMultiFileSink *sink = GST_MULTI_FILE_SINK (object);
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switch (prop_id) {
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case PROP_LOCATION:
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g_value_set_string (value, sink->filename);
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break;
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case PROP_INDEX:
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g_value_set_int (value, sink->index);
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break;
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case PROP_POST_MESSAGES:
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g_value_set_boolean (value, sink->post_messages);
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break;
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case PROP_NEXT_FILE:
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g_value_set_enum (value, sink->next_file);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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gst_multi_file_sink_stop (GstBaseSink * sink)
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{
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GstMultiFileSink *multifilesink;
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int i;
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multifilesink = GST_MULTI_FILE_SINK (sink);
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if (multifilesink->file != NULL) {
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fclose (multifilesink->file);
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multifilesink->file = NULL;
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}
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if (multifilesink->streamheaders) {
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for (i = 0; i < multifilesink->n_streamheaders; i++) {
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gst_buffer_unref (multifilesink->streamheaders[i]);
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}
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g_free (multifilesink->streamheaders);
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}
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return TRUE;
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}
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static void
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gst_multi_file_sink_post_message (GstMultiFileSink * multifilesink,
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GstBuffer * buffer, const char *filename)
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{
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if (multifilesink->post_messages) {
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GstClockTime duration, timestamp;
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GstClockTime running_time, stream_time;
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guint64 offset, offset_end;
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GstStructure *s;
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GstSegment *segment;
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GstFormat format;
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segment = &GST_BASE_SINK (multifilesink)->segment;
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format = segment->format;
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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duration = GST_BUFFER_DURATION (buffer);
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offset = GST_BUFFER_OFFSET (buffer);
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offset_end = GST_BUFFER_OFFSET_END (buffer);
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running_time = gst_segment_to_running_time (segment, format, timestamp);
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stream_time = gst_segment_to_stream_time (segment, format, timestamp);
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s = gst_structure_new ("GstMultiFileSink",
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"filename", G_TYPE_STRING, filename,
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"index", G_TYPE_INT, multifilesink->index,
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"timestamp", G_TYPE_UINT64, timestamp,
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"stream-time", G_TYPE_UINT64, stream_time,
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"running-time", G_TYPE_UINT64, running_time,
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"duration", G_TYPE_UINT64, duration,
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"offset", G_TYPE_UINT64, offset,
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"offset-end", G_TYPE_UINT64, offset_end, NULL);
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gst_element_post_message (GST_ELEMENT_CAST (multifilesink),
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gst_message_new_element (GST_OBJECT_CAST (multifilesink), s));
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}
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}
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static GstFlowReturn
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gst_multi_file_sink_render (GstBaseSink * sink, GstBuffer * buffer)
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{
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GstMultiFileSink *multifilesink;
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guint size;
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guint8 *data;
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gchar *filename;
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gboolean ret;
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GError *error = NULL;
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size = GST_BUFFER_SIZE (buffer);
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data = GST_BUFFER_DATA (buffer);
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multifilesink = GST_MULTI_FILE_SINK (sink);
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switch (multifilesink->next_file) {
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case GST_MULTI_FILE_SINK_NEXT_BUFFER:
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filename = g_strdup_printf (multifilesink->filename,
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multifilesink->index);
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ret = g_file_set_contents (filename, (char *) data, size, &error);
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if (!ret)
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goto write_error;
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gst_multi_file_sink_post_message (multifilesink, buffer, filename);
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multifilesink->index++;
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g_free (filename);
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break;
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case GST_MULTI_FILE_SINK_NEXT_DISCONT:
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if (GST_BUFFER_IS_DISCONT (buffer)) {
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if (multifilesink->file) {
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fclose (multifilesink->file);
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multifilesink->file = NULL;
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filename = g_strdup_printf (multifilesink->filename,
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multifilesink->index);
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gst_multi_file_sink_post_message (multifilesink, buffer, filename);
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g_free (filename);
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multifilesink->index++;
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}
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}
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if (multifilesink->file == NULL) {
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filename = g_strdup_printf (multifilesink->filename,
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multifilesink->index);
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multifilesink->file = g_fopen (filename, "wb");
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g_free (filename);
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if (multifilesink->file == NULL)
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goto stdio_write_error;
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}
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ret = fwrite (GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), 1,
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multifilesink->file);
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if (ret != 1)
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goto stdio_write_error;
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break;
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case GST_MULTI_FILE_SINK_NEXT_KEY_FRAME:
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if (multifilesink->next_segment == GST_CLOCK_TIME_NONE) {
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if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer)) {
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multifilesink->next_segment = GST_BUFFER_TIMESTAMP (buffer) +
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10 * GST_SECOND;
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}
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}
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if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer) &&
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GST_BUFFER_TIMESTAMP (buffer) >= multifilesink->next_segment &&
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!GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT)) {
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if (multifilesink->file) {
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fclose (multifilesink->file);
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multifilesink->file = NULL;
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filename = g_strdup_printf (multifilesink->filename,
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multifilesink->index);
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gst_multi_file_sink_post_message (multifilesink, buffer, filename);
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g_free (filename);
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multifilesink->index++;
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}
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multifilesink->next_segment += 10 * GST_SECOND;
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}
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if (multifilesink->file == NULL) {
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int i;
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filename = g_strdup_printf (multifilesink->filename,
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multifilesink->index);
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multifilesink->file = g_fopen (filename, "wb");
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g_free (filename);
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if (multifilesink->file == NULL)
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goto stdio_write_error;
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if (multifilesink->streamheaders) {
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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;
|
|
}
|