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They are very confusing for people, and more often than not also just not very accurate. Seeing 'last reviewed: 2005' in your docs is not very confidence-inspiring. Let's just remove those comments.
885 lines
26 KiB
C
885 lines
26 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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* 2011 Collabora Ltd. <tim.muller@collabora.co.uk>
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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-1.0 audiotestsrc ! multifilesink
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* gst-launch-1.0 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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#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 <gst/video/video.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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#define DEFAULT_MAX_FILES 0
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#define DEFAULT_MAX_FILE_SIZE G_GUINT64_CONSTANT(2*1024*1024*1024)
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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_MAX_FILES,
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PROP_MAX_FILE_SIZE,
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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 GstFlowReturn gst_multi_file_sink_render_list (GstBaseSink * sink,
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GstBufferList * buffer_list);
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static gboolean gst_multi_file_sink_set_caps (GstBaseSink * sink,
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GstCaps * caps);
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static gboolean gst_multi_file_sink_open_next_file (GstMultiFileSink *
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multifilesink);
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static void gst_multi_file_sink_close_file (GstMultiFileSink * multifilesink,
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GstBuffer * buffer);
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static void gst_multi_file_sink_ensure_max_files (GstMultiFileSink *
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multifilesink);
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static gboolean gst_multi_file_sink_event (GstBaseSink * sink,
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GstEvent * event);
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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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{GST_MULTI_FILE_SINK_NEXT_KEY_UNIT_EVENT,
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"New file after a force key unit event", "key-unit-event"},
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{GST_MULTI_FILE_SINK_NEXT_MAX_SIZE, "New file when the configured maximum "
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"file size would be exceeded with the next buffer or buffer list",
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"max-size"},
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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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#define gst_multi_file_sink_parent_class parent_class
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G_DEFINE_TYPE (GstMultiFileSink, gst_multi_file_sink, GST_TYPE_BASE_SINK);
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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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GstElementClass *gstelement_class = GST_ELEMENT_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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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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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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/**
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* GstMultiFileSink:max-files:
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*
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* Maximum number of files to keep on disk. Once the maximum is reached, old
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* files start to be deleted to make room for new ones.
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*/
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g_object_class_install_property (gobject_class, PROP_MAX_FILES,
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g_param_spec_uint ("max-files", "Max files",
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"Maximum number of files to keep on disk. Once the maximum is reached,"
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"old files start to be deleted to make room for new ones.",
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0, G_MAXUINT, DEFAULT_MAX_FILES,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstMultiFileSink:max-file-size:
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*
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* Maximum file size before starting a new file in max-size mode.
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*/
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g_object_class_install_property (gobject_class, PROP_MAX_FILE_SIZE,
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g_param_spec_uint64 ("max-file-size", "Maximum File Size",
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"Maximum file size before starting a new file in max-size mode",
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0, G_MAXUINT64, DEFAULT_MAX_FILE_SIZE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gobject_class->finalize = gst_multi_file_sink_finalize;
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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->render_list =
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GST_DEBUG_FUNCPTR (gst_multi_file_sink_render_list);
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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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gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_multi_file_sink_event);
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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_static_metadata (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_init (GstMultiFileSink * multifilesink)
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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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multifilesink->max_files = DEFAULT_MAX_FILES;
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multifilesink->max_file_size = DEFAULT_MAX_FILE_SIZE;
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multifilesink->files = NULL;
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multifilesink->n_files = 0;
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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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multifilesink->force_key_unit_count = -1;
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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_slist_foreach (sink->files, (GFunc) g_free, NULL);
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g_slist_free (sink->files);
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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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case PROP_MAX_FILES:
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sink->max_files = g_value_get_uint (value);
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break;
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case PROP_MAX_FILE_SIZE:
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sink->max_file_size = g_value_get_uint64 (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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case PROP_MAX_FILES:
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g_value_set_uint (value, sink->max_files);
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break;
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case PROP_MAX_FILE_SIZE:
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g_value_set_uint64 (value, sink->max_file_size);
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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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multifilesink->streamheaders = NULL;
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}
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multifilesink->force_key_unit_count = -1;
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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_full (GstMultiFileSink * multifilesink,
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GstClockTime timestamp, GstClockTime duration, GstClockTime offset,
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GstClockTime offset_end, GstClockTime running_time,
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GstClockTime stream_time, const char *filename)
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{
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GstStructure *s;
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if (!multifilesink->post_messages)
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return;
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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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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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GstClockTime duration, timestamp;
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GstClockTime running_time, stream_time;
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guint64 offset, offset_end;
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GstSegment *segment;
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GstFormat format;
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if (!multifilesink->post_messages)
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return;
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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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gst_multi_file_sink_post_message_full (multifilesink, timestamp, duration,
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offset, offset_end, running_time, stream_time, filename);
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}
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|
static gboolean
|
|
gst_multi_file_sink_write_stream_headers (GstMultiFileSink * sink)
|
|
{
|
|
int i;
|
|
|
|
if (sink->streamheaders == NULL)
|
|
return TRUE;
|
|
|
|
/* we want to write these at the beginning */
|
|
g_assert (sink->cur_file_size == 0);
|
|
|
|
for (i = 0; i < sink->n_streamheaders; i++) {
|
|
GstBuffer *hdr;
|
|
GstMapInfo map;
|
|
int ret;
|
|
|
|
hdr = sink->streamheaders[i];
|
|
gst_buffer_map (hdr, &map, GST_MAP_READ);
|
|
ret = fwrite (map.data, map.size, 1, sink->file);
|
|
gst_buffer_unmap (hdr, &map);
|
|
|
|
if (ret != 1)
|
|
return FALSE;
|
|
|
|
sink->cur_file_size += map.size;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_multi_file_sink_render (GstBaseSink * sink, GstBuffer * buffer)
|
|
{
|
|
GstMultiFileSink *multifilesink;
|
|
GstMapInfo map;
|
|
gchar *filename;
|
|
gboolean ret;
|
|
GError *error = NULL;
|
|
gboolean first_file = TRUE;
|
|
|
|
gst_buffer_map (buffer, &map, GST_MAP_READ);
|
|
|
|
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 *) map.data, map.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 (map.data, map.size, 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) {
|
|
first_file = FALSE;
|
|
gst_multi_file_sink_close_file (multifilesink, buffer);
|
|
}
|
|
multifilesink->next_segment += 10 * GST_SECOND;
|
|
}
|
|
|
|
if (multifilesink->file == NULL) {
|
|
if (!gst_multi_file_sink_open_next_file (multifilesink))
|
|
goto stdio_write_error;
|
|
|
|
if (!first_file)
|
|
gst_multi_file_sink_write_stream_headers (multifilesink);
|
|
}
|
|
|
|
ret = fwrite (map.data, map.size, 1, multifilesink->file);
|
|
if (ret != 1)
|
|
goto stdio_write_error;
|
|
|
|
break;
|
|
case GST_MULTI_FILE_SINK_NEXT_KEY_UNIT_EVENT:
|
|
if (multifilesink->file == NULL) {
|
|
if (!gst_multi_file_sink_open_next_file (multifilesink))
|
|
goto stdio_write_error;
|
|
|
|
/* we don't need to write stream headers here, they will be inserted in
|
|
* the stream by upstream elements if key unit events have
|
|
* all_headers=true set
|
|
*/
|
|
}
|
|
|
|
ret = fwrite (map.data, map.size, 1, multifilesink->file);
|
|
|
|
if (ret != 1)
|
|
goto stdio_write_error;
|
|
|
|
break;
|
|
case GST_MULTI_FILE_SINK_NEXT_MAX_SIZE:{
|
|
guint64 new_size;
|
|
|
|
new_size = multifilesink->cur_file_size + map.size;
|
|
if (new_size > multifilesink->max_file_size) {
|
|
|
|
GST_INFO_OBJECT (multifilesink, "current size: %" G_GUINT64_FORMAT
|
|
", new_size: %" G_GUINT64_FORMAT ", max. size %" G_GUINT64_FORMAT,
|
|
multifilesink->cur_file_size, new_size,
|
|
multifilesink->max_file_size);
|
|
|
|
if (multifilesink->file != NULL) {
|
|
first_file = FALSE;
|
|
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;
|
|
|
|
if (!first_file)
|
|
gst_multi_file_sink_write_stream_headers (multifilesink);
|
|
}
|
|
|
|
ret = fwrite (map.data, map.size, 1, multifilesink->file);
|
|
|
|
if (ret != 1)
|
|
goto stdio_write_error;
|
|
|
|
multifilesink->cur_file_size += map.size;
|
|
break;
|
|
}
|
|
default:
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
gst_buffer_unmap (buffer, &map);
|
|
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);
|
|
|
|
gst_buffer_unmap (buffer, &map);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
stdio_write_error:
|
|
switch (errno) {
|
|
case ENOSPC:
|
|
GST_ELEMENT_ERROR (multifilesink, RESOURCE, NO_SPACE_LEFT,
|
|
("Error while writing to file."), ("%s", g_strerror (errno)));
|
|
break;
|
|
default:
|
|
GST_ELEMENT_ERROR (multifilesink, RESOURCE, WRITE,
|
|
("Error while writing to file."), ("%s", g_strerror (errno)));
|
|
}
|
|
gst_buffer_unmap (buffer, &map);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
|
|
static gboolean
|
|
buffer_list_calc_size (GstBuffer ** buf, guint idx, gpointer data)
|
|
{
|
|
guint *p_size = data;
|
|
gsize buf_size;
|
|
|
|
buf_size = gst_buffer_get_size (*buf);
|
|
GST_TRACE ("buffer %u has size %" G_GSIZE_FORMAT, idx, buf_size);
|
|
*p_size += buf_size;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
buffer_list_copy_data (GstBuffer ** buf, guint idx, gpointer data)
|
|
{
|
|
GstBuffer *dest = data;
|
|
guint num, i;
|
|
|
|
if (idx == 0)
|
|
gst_buffer_copy_into (dest, *buf, GST_BUFFER_COPY_METADATA, 0, -1);
|
|
|
|
num = gst_buffer_n_memory (*buf);
|
|
for (i = 0; i < num; ++i) {
|
|
GstMemory *mem;
|
|
|
|
mem = gst_buffer_get_memory (*buf, i);
|
|
gst_buffer_append_memory (dest, mem);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Our assumption for now is that the buffers in a buffer list should always
|
|
* end up in the same file. If someone wants different behaviour, they'll just
|
|
* have to add a property for that. */
|
|
static GstFlowReturn
|
|
gst_multi_file_sink_render_list (GstBaseSink * sink, GstBufferList * list)
|
|
{
|
|
GstBuffer *buf;
|
|
guint size = 0;
|
|
|
|
gst_buffer_list_foreach (list, buffer_list_calc_size, &size);
|
|
GST_LOG_OBJECT (sink, "total size of buffer list %p: %u", list, size);
|
|
|
|
/* copy all buffers in the list into one single buffer, so we can use
|
|
* the normal render function (FIXME: optimise to avoid the memcpy) */
|
|
buf = gst_buffer_new ();
|
|
gst_buffer_list_foreach (list, buffer_list_copy_data, buf);
|
|
g_assert (gst_buffer_get_size (buf) == size);
|
|
|
|
gst_multi_file_sink_render (sink, buf);
|
|
gst_buffer_unref (buf);
|
|
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
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);
|
|
g_free (filename);
|
|
multifilesink->files = g_slist_delete_link (multifilesink->files,
|
|
multifilesink->files);
|
|
multifilesink->n_files -= 1;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_multi_file_sink_event (GstBaseSink * sink, GstEvent * event)
|
|
{
|
|
GstMultiFileSink *multifilesink;
|
|
gchar *filename;
|
|
|
|
multifilesink = GST_MULTI_FILE_SINK (sink);
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
case GST_EVENT_CUSTOM_DOWNSTREAM:
|
|
{
|
|
GstClockTime timestamp, duration;
|
|
GstClockTime running_time, stream_time;
|
|
guint64 offset, offset_end;
|
|
gboolean all_headers;
|
|
guint count;
|
|
|
|
if (multifilesink->next_file != GST_MULTI_FILE_SINK_NEXT_KEY_UNIT_EVENT ||
|
|
!gst_video_event_is_force_key_unit (event))
|
|
goto out;
|
|
|
|
gst_video_event_parse_downstream_force_key_unit (event, ×tamp,
|
|
&stream_time, &running_time, &all_headers, &count);
|
|
|
|
if (multifilesink->force_key_unit_count != -1 &&
|
|
multifilesink->force_key_unit_count == count)
|
|
goto out;
|
|
|
|
multifilesink->force_key_unit_count = count;
|
|
|
|
if (multifilesink->file) {
|
|
duration = GST_CLOCK_TIME_NONE;
|
|
offset = offset_end = -1;
|
|
filename = g_strdup_printf (multifilesink->filename,
|
|
multifilesink->index);
|
|
gst_multi_file_sink_post_message_full (multifilesink, timestamp,
|
|
duration, offset, offset_end, running_time, stream_time, filename);
|
|
|
|
g_free (filename);
|
|
|
|
gst_multi_file_sink_close_file (multifilesink, NULL);
|
|
|
|
}
|
|
|
|
if (multifilesink->file == NULL) {
|
|
if (!gst_multi_file_sink_open_next_file (multifilesink))
|
|
goto stdio_write_error;
|
|
}
|
|
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
out:
|
|
return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
|
|
|
|
/* ERRORS */
|
|
stdio_write_error:
|
|
{
|
|
GST_ELEMENT_ERROR (multifilesink, RESOURCE, WRITE,
|
|
("Error while writing to file."), (NULL));
|
|
gst_event_unref (event);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
GST_INFO_OBJECT (multifilesink, "opening file %s", filename);
|
|
multifilesink->files = g_slist_append (multifilesink->files, filename);
|
|
multifilesink->n_files += 1;
|
|
|
|
multifilesink->cur_file_size = 0;
|
|
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++;
|
|
}
|