mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 15:51:11 +00:00
710ce84d0c
See also: 5216322d39
The previous code was causing "random" flushing returns
in scenarios with intensive state changes such as within
a buffering pipeline.
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/476>
1158 lines
32 KiB
C
1158 lines
32 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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*
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* gstfilesink.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-filesink
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* @title: filesink
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* @see_also: #GstFileSrc
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*
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* Write incoming data to a file in the local file system.
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*
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* ## Example launch line
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* |[
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* gst-launch-1.0 v4l2src num-buffers=1 ! jpegenc ! filesink location=capture1.jpeg
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* ]| Capture one frame from a v4l2 camera and save as jpeg image.
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*
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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/gst-i18n-lib.h"
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#include <gst/gst.h>
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#include <stdio.h> /* for fseeko() */
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#ifdef HAVE_STDIO_EXT_H
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#include <stdio_ext.h> /* for __fbufsize, for debugging */
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#endif
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#include <errno.h>
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#include "gstfilesink.h"
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#include <string.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#ifdef G_OS_WIN32
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#include <io.h> /* lseek, open, close, read */
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#undef lseek
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#define lseek _lseeki64
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#undef off_t
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#define off_t guint64
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#undef ftruncate
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#define ftruncate _chsize
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#undef fsync
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#define fsync _commit
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#ifdef _MSC_VER /* Check if we are using MSVC, fileno is deprecated in favour */
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#define fileno _fileno /* of _fileno */
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#endif
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#endif
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#include <sys/stat.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "gstelements_private.h"
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#include "gstfilesink.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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#define GST_TYPE_FILE_SINK_BUFFER_MODE (gst_file_sink_buffer_mode_get_type ())
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static GType
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gst_file_sink_buffer_mode_get_type (void)
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{
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static GType buffer_mode_type = 0;
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static const GEnumValue buffer_mode[] = {
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{GST_FILE_SINK_BUFFER_MODE_DEFAULT, "Default buffering", "default"},
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{GST_FILE_SINK_BUFFER_MODE_FULL, "Fully buffered", "full"},
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{GST_FILE_SINK_BUFFER_MODE_LINE, "Line buffered (deprecated, like full)",
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"line"},
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{GST_FILE_SINK_BUFFER_MODE_UNBUFFERED, "Unbuffered", "unbuffered"},
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{0, NULL, NULL},
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};
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if (!buffer_mode_type) {
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buffer_mode_type =
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g_enum_register_static ("GstFileSinkBufferMode", buffer_mode);
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}
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return buffer_mode_type;
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}
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GST_DEBUG_CATEGORY_STATIC (gst_file_sink_debug);
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#define GST_CAT_DEFAULT gst_file_sink_debug
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#define DEFAULT_LOCATION NULL
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#define DEFAULT_BUFFER_MODE GST_FILE_SINK_BUFFER_MODE_DEFAULT
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#define DEFAULT_BUFFER_SIZE 64 * 1024
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#define DEFAULT_APPEND FALSE
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#define DEFAULT_O_SYNC FALSE
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#define DEFAULT_MAX_TRANSIENT_ERROR_TIMEOUT 0
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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_BUFFER_MODE,
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PROP_BUFFER_SIZE,
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PROP_APPEND,
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PROP_O_SYNC,
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PROP_MAX_TRANSIENT_ERROR_TIMEOUT,
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PROP_LAST
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};
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/* Copy of glib's g_fopen due to win32 libc/cross-DLL brokenness: we can't
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* use the 'file pointer' opened in glib (and returned from this function)
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* in this library, as they may have unrelated C runtimes. */
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static FILE *
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gst_fopen (const gchar * filename, const gchar * mode, gboolean o_sync)
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{
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FILE *retval;
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#ifdef G_OS_WIN32
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wchar_t *wfilename = g_utf8_to_utf16 (filename, -1, NULL, NULL, NULL);
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wchar_t *wmode;
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int save_errno;
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if (wfilename == NULL) {
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errno = EINVAL;
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return NULL;
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}
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wmode = g_utf8_to_utf16 (mode, -1, NULL, NULL, NULL);
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if (wmode == NULL) {
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g_free (wfilename);
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errno = EINVAL;
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return NULL;
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}
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retval = _wfopen (wfilename, wmode);
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save_errno = errno;
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g_free (wfilename);
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g_free (wmode);
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errno = save_errno;
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return retval;
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#else
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int fd;
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int flags = O_CREAT | O_WRONLY;
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if (strcmp (mode, "wb") == 0)
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flags |= O_TRUNC;
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else if (strcmp (mode, "ab") == 0)
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flags |= O_APPEND;
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else
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g_assert_not_reached ();
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if (o_sync)
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flags |= O_SYNC;
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fd = open (filename, flags, 0666);
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retval = fdopen (fd, mode);
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return retval;
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#endif
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}
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static void gst_file_sink_dispose (GObject * object);
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static void gst_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_file_sink_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static gboolean gst_file_sink_open_file (GstFileSink * sink);
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static void gst_file_sink_close_file (GstFileSink * sink);
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static gboolean gst_file_sink_start (GstBaseSink * sink);
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static gboolean gst_file_sink_stop (GstBaseSink * sink);
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static gboolean gst_file_sink_event (GstBaseSink * sink, GstEvent * event);
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static GstFlowReturn gst_file_sink_render (GstBaseSink * sink,
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GstBuffer * buffer);
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static GstFlowReturn gst_file_sink_render_list (GstBaseSink * sink,
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GstBufferList * list);
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static gboolean gst_file_sink_unlock (GstBaseSink * sink);
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static gboolean gst_file_sink_unlock_stop (GstBaseSink * sink);
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static gboolean gst_file_sink_do_seek (GstFileSink * filesink,
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guint64 new_offset);
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static gboolean gst_file_sink_get_current_offset (GstFileSink * filesink,
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guint64 * p_pos);
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static gboolean gst_file_sink_query (GstBaseSink * bsink, GstQuery * query);
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static void gst_file_sink_uri_handler_init (gpointer g_iface,
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gpointer iface_data);
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static GstFlowReturn gst_file_sink_flush_buffer (GstFileSink * filesink);
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#define _do_init \
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G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER, gst_file_sink_uri_handler_init); \
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GST_DEBUG_CATEGORY_INIT (gst_file_sink_debug, "filesink", 0, "filesink element");
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#define gst_file_sink_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstFileSink, gst_file_sink, GST_TYPE_BASE_SINK,
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_do_init);
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static void
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gst_file_sink_class_init (GstFileSinkClass * 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->dispose = gst_file_sink_dispose;
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gobject_class->set_property = gst_file_sink_set_property;
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gobject_class->get_property = gst_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_BUFFER_MODE,
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g_param_spec_enum ("buffer-mode", "Buffering mode",
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"The buffering mode to use", GST_TYPE_FILE_SINK_BUFFER_MODE,
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DEFAULT_BUFFER_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_BUFFER_SIZE,
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g_param_spec_uint ("buffer-size", "Buffering size",
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"Size of buffer in number of bytes for line or full buffer-mode", 0,
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G_MAXUINT, DEFAULT_BUFFER_SIZE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstFileSink:append
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*
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* Append to an already existing file.
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*/
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g_object_class_install_property (gobject_class, PROP_APPEND,
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g_param_spec_boolean ("append", "Append",
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"Append to an already existing file", DEFAULT_APPEND,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_O_SYNC,
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g_param_spec_boolean ("o-sync", "Synchronous IO",
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"Open the file with O_SYNC for enabling synchronous IO",
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DEFAULT_O_SYNC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class,
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PROP_MAX_TRANSIENT_ERROR_TIMEOUT,
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g_param_spec_int ("max-transient-error-timeout",
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"Max Transient Error Timeout",
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"Retry up to this many ms on transient errors (currently EACCES)", 0,
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G_MAXINT, DEFAULT_MAX_TRANSIENT_ERROR_TIMEOUT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_element_class_set_static_metadata (gstelement_class,
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"File Sink",
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"Sink/File", "Write stream to a file",
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"Thomas Vander Stichele <thomas at apestaart dot org>");
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gst_element_class_add_static_pad_template (gstelement_class, &sinktemplate);
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gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_file_sink_start);
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gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_file_sink_stop);
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gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_file_sink_query);
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gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_file_sink_render);
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gstbasesink_class->render_list =
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GST_DEBUG_FUNCPTR (gst_file_sink_render_list);
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gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_file_sink_event);
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gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_file_sink_unlock);
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gstbasesink_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_file_sink_unlock_stop);
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if (sizeof (off_t) < 8) {
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GST_LOG ("No large file support, sizeof (off_t) = %" G_GSIZE_FORMAT "!",
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sizeof (off_t));
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}
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}
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static void
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gst_file_sink_init (GstFileSink * filesink)
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{
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filesink->filename = NULL;
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filesink->file = NULL;
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filesink->current_pos = 0;
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filesink->buffer_mode = DEFAULT_BUFFER_MODE;
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filesink->buffer_size = DEFAULT_BUFFER_SIZE;
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filesink->append = FALSE;
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gst_base_sink_set_sync (GST_BASE_SINK (filesink), FALSE);
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}
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static void
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gst_file_sink_dispose (GObject * object)
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{
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GstFileSink *sink = GST_FILE_SINK (object);
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G_OBJECT_CLASS (parent_class)->dispose (object);
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g_free (sink->uri);
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sink->uri = NULL;
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g_free (sink->filename);
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sink->filename = NULL;
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}
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static gboolean
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gst_file_sink_set_location (GstFileSink * sink, const gchar * location,
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GError ** error)
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{
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if (sink->file)
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goto was_open;
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g_free (sink->filename);
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g_free (sink->uri);
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if (location != NULL) {
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/* we store the filename as we received it from the application. On Windows
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* this should be in UTF8 */
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sink->filename = g_strdup (location);
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sink->uri = gst_filename_to_uri (location, NULL);
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GST_INFO_OBJECT (sink, "filename : %s", sink->filename);
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GST_INFO_OBJECT (sink, "uri : %s", sink->uri);
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} else {
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sink->filename = NULL;
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sink->uri = NULL;
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}
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return TRUE;
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/* ERRORS */
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was_open:
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{
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g_warning ("Changing the `location' property on filesink when a file is "
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"open is not supported.");
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g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_STATE,
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"Changing the 'location' property on filesink when a file is "
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"open is not supported");
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return FALSE;
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}
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}
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static void
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gst_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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GstFileSink *sink = GST_FILE_SINK (object);
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switch (prop_id) {
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case PROP_LOCATION:
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gst_file_sink_set_location (sink, g_value_get_string (value), NULL);
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break;
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case PROP_BUFFER_MODE:
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sink->buffer_mode = g_value_get_enum (value);
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break;
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case PROP_BUFFER_SIZE:
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sink->buffer_size = g_value_get_uint (value);
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break;
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case PROP_APPEND:
|
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sink->append = g_value_get_boolean (value);
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break;
|
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case PROP_O_SYNC:
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sink->o_sync = g_value_get_boolean (value);
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break;
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case PROP_MAX_TRANSIENT_ERROR_TIMEOUT:
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sink->max_transient_error_timeout = g_value_get_int (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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}
|
|
|
|
static void
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gst_file_sink_get_property (GObject * object, guint prop_id, GValue * value,
|
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GParamSpec * pspec)
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|
{
|
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GstFileSink *sink = GST_FILE_SINK (object);
|
|
|
|
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_BUFFER_MODE:
|
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g_value_set_enum (value, sink->buffer_mode);
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break;
|
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case PROP_BUFFER_SIZE:
|
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g_value_set_uint (value, sink->buffer_size);
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break;
|
|
case PROP_APPEND:
|
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g_value_set_boolean (value, sink->append);
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break;
|
|
case PROP_O_SYNC:
|
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g_value_set_boolean (value, sink->o_sync);
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break;
|
|
case PROP_MAX_TRANSIENT_ERROR_TIMEOUT:
|
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g_value_set_int (value, sink->max_transient_error_timeout);
|
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break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
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break;
|
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}
|
|
}
|
|
|
|
static gboolean
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gst_file_sink_open_file (GstFileSink * sink)
|
|
{
|
|
/* open the file */
|
|
if (sink->filename == NULL || sink->filename[0] == '\0')
|
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goto no_filename;
|
|
|
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if (sink->append)
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sink->file = gst_fopen (sink->filename, "ab", sink->o_sync);
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|
else
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sink->file = gst_fopen (sink->filename, "wb", sink->o_sync);
|
|
if (sink->file == NULL)
|
|
goto open_failed;
|
|
|
|
sink->current_pos = 0;
|
|
/* try to seek in the file to figure out if it is seekable */
|
|
sink->seekable = gst_file_sink_do_seek (sink, 0);
|
|
|
|
if (sink->buffer)
|
|
g_free (sink->buffer);
|
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sink->buffer = NULL;
|
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if (sink->buffer_list)
|
|
gst_buffer_list_unref (sink->buffer_list);
|
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sink->buffer_list = NULL;
|
|
|
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if (sink->buffer_mode != GST_FILE_SINK_BUFFER_MODE_UNBUFFERED) {
|
|
if (sink->buffer_size == 0) {
|
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sink->buffer_size = DEFAULT_BUFFER_SIZE;
|
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g_object_notify (G_OBJECT (sink), "buffer-size");
|
|
}
|
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|
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if (sink->buffer_mode == GST_FILE_SINK_BUFFER_MODE_FULL) {
|
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sink->buffer = g_malloc (sink->buffer_size);
|
|
sink->allocated_buffer_size = sink->buffer_size;
|
|
} else {
|
|
sink->buffer_list = gst_buffer_list_new ();
|
|
}
|
|
sink->current_buffer_size = 0;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (sink, "opened file %s, seekable %d",
|
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sink->filename, sink->seekable);
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
no_filename:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND,
|
|
(_("No file name specified for writing.")), (NULL));
|
|
return FALSE;
|
|
}
|
|
open_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE,
|
|
(_("Could not open file \"%s\" for writing."), sink->filename),
|
|
GST_ERROR_SYSTEM);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_file_sink_close_file (GstFileSink * sink)
|
|
{
|
|
if (sink->file) {
|
|
if (gst_file_sink_flush_buffer (sink) != GST_FLOW_OK)
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
|
|
(_("Error closing file \"%s\"."), sink->filename), NULL);
|
|
|
|
if (fclose (sink->file) != 0)
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, CLOSE,
|
|
(_("Error closing file \"%s\"."), sink->filename), GST_ERROR_SYSTEM);
|
|
|
|
GST_DEBUG_OBJECT (sink, "closed file");
|
|
sink->file = NULL;
|
|
}
|
|
|
|
if (sink->buffer) {
|
|
g_free (sink->buffer);
|
|
sink->buffer = NULL;
|
|
}
|
|
sink->allocated_buffer_size = 0;
|
|
|
|
if (sink->buffer_list) {
|
|
gst_buffer_list_unref (sink->buffer_list);
|
|
sink->buffer_list = NULL;
|
|
}
|
|
sink->current_buffer_size = 0;
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_query (GstBaseSink * bsink, GstQuery * query)
|
|
{
|
|
gboolean res;
|
|
GstFileSink *self;
|
|
GstFormat format;
|
|
|
|
self = GST_FILE_SINK (bsink);
|
|
|
|
switch (GST_QUERY_TYPE (query)) {
|
|
case GST_QUERY_POSITION:
|
|
gst_query_parse_position (query, &format, NULL);
|
|
|
|
switch (format) {
|
|
case GST_FORMAT_DEFAULT:
|
|
case GST_FORMAT_BYTES:
|
|
gst_query_set_position (query, GST_FORMAT_BYTES,
|
|
self->current_pos + self->current_buffer_size);
|
|
res = TRUE;
|
|
break;
|
|
default:
|
|
res = FALSE;
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case GST_QUERY_FORMATS:
|
|
gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
|
|
res = TRUE;
|
|
break;
|
|
|
|
case GST_QUERY_URI:
|
|
gst_query_set_uri (query, self->uri);
|
|
res = TRUE;
|
|
break;
|
|
|
|
case GST_QUERY_SEEKING:
|
|
gst_query_parse_seeking (query, &format, NULL, NULL, NULL);
|
|
if (format == GST_FORMAT_BYTES || format == GST_FORMAT_DEFAULT) {
|
|
gst_query_set_seeking (query, GST_FORMAT_BYTES, self->seekable, 0, -1);
|
|
} else {
|
|
gst_query_set_seeking (query, format, FALSE, 0, -1);
|
|
}
|
|
res = TRUE;
|
|
break;
|
|
|
|
default:
|
|
res = GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
|
|
break;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
#ifdef HAVE_FSEEKO
|
|
# define __GST_STDIO_SEEK_FUNCTION "fseeko"
|
|
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
|
|
# define __GST_STDIO_SEEK_FUNCTION "lseek"
|
|
#else
|
|
# define __GST_STDIO_SEEK_FUNCTION "fseek"
|
|
#endif
|
|
|
|
static gboolean
|
|
gst_file_sink_do_seek (GstFileSink * filesink, guint64 new_offset)
|
|
{
|
|
GST_DEBUG_OBJECT (filesink, "Seeking to offset %" G_GUINT64_FORMAT
|
|
" using " __GST_STDIO_SEEK_FUNCTION, new_offset);
|
|
|
|
if (gst_file_sink_flush_buffer (filesink) != GST_FLOW_OK)
|
|
goto flush_buffer_failed;
|
|
|
|
#ifdef HAVE_FSEEKO
|
|
if (fseeko (filesink->file, (off_t) new_offset, SEEK_SET) != 0)
|
|
goto seek_failed;
|
|
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
|
|
if (lseek (fileno (filesink->file), (off_t) new_offset,
|
|
SEEK_SET) == (off_t) - 1)
|
|
goto seek_failed;
|
|
#else
|
|
if (fseek (filesink->file, (long) new_offset, SEEK_SET) != 0)
|
|
goto seek_failed;
|
|
#endif
|
|
|
|
/* adjust position reporting after seek;
|
|
* presumably this should basically yield new_offset */
|
|
gst_file_sink_get_current_offset (filesink, &filesink->current_pos);
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
flush_buffer_failed:
|
|
{
|
|
GST_DEBUG_OBJECT (filesink, "Flushing buffer failed");
|
|
return FALSE;
|
|
}
|
|
seek_failed:
|
|
{
|
|
GST_DEBUG_OBJECT (filesink, "Seeking failed: %s", g_strerror (errno));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* handle events (search) */
|
|
static gboolean
|
|
gst_file_sink_event (GstBaseSink * sink, GstEvent * event)
|
|
{
|
|
GstEventType type;
|
|
GstFileSink *filesink;
|
|
|
|
filesink = GST_FILE_SINK (sink);
|
|
|
|
type = GST_EVENT_TYPE (event);
|
|
|
|
switch (type) {
|
|
case GST_EVENT_SEGMENT:
|
|
{
|
|
const GstSegment *segment;
|
|
|
|
gst_event_parse_segment (event, &segment);
|
|
|
|
if (segment->format == GST_FORMAT_BYTES) {
|
|
/* only try to seek and fail when we are going to a different
|
|
* position */
|
|
if (filesink->current_pos + filesink->current_buffer_size !=
|
|
segment->start) {
|
|
/* FIXME, the seek should be performed on the pos field, start/stop are
|
|
* just boundaries for valid bytes offsets. We should also fill the file
|
|
* with zeroes if the new position extends the current EOF (sparse streams
|
|
* and segment accumulation). */
|
|
if (!gst_file_sink_do_seek (filesink, (guint64) segment->start))
|
|
goto seek_failed;
|
|
} else {
|
|
GST_DEBUG_OBJECT (filesink, "Ignored SEGMENT, no seek needed");
|
|
}
|
|
} else {
|
|
GST_DEBUG_OBJECT (filesink,
|
|
"Ignored SEGMENT event of format %u (%s)", (guint) segment->format,
|
|
gst_format_get_name (segment->format));
|
|
}
|
|
break;
|
|
}
|
|
case GST_EVENT_FLUSH_STOP:
|
|
if (filesink->current_pos != 0 && filesink->seekable) {
|
|
gst_file_sink_do_seek (filesink, 0);
|
|
if (ftruncate (fileno (filesink->file), 0))
|
|
goto truncate_failed;
|
|
}
|
|
if (filesink->buffer_list) {
|
|
gst_buffer_list_unref (filesink->buffer_list);
|
|
filesink->buffer_list = gst_buffer_list_new ();
|
|
}
|
|
filesink->current_buffer_size = 0;
|
|
break;
|
|
case GST_EVENT_EOS:
|
|
if (gst_file_sink_flush_buffer (filesink) != GST_FLOW_OK)
|
|
goto flush_buffer_failed;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
|
|
|
|
/* ERRORS */
|
|
seek_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (filesink, RESOURCE, SEEK,
|
|
(_("Error while seeking in file \"%s\"."), filesink->filename),
|
|
GST_ERROR_SYSTEM);
|
|
gst_event_unref (event);
|
|
return FALSE;
|
|
}
|
|
flush_buffer_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
|
|
(_("Error while writing to file \"%s\"."), filesink->filename), NULL);
|
|
gst_event_unref (event);
|
|
return FALSE;
|
|
}
|
|
truncate_failed:
|
|
{
|
|
GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
|
|
(_("Error while writing to file \"%s\"."), filesink->filename),
|
|
GST_ERROR_SYSTEM);
|
|
gst_event_unref (event);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_get_current_offset (GstFileSink * filesink, guint64 * p_pos)
|
|
{
|
|
off_t ret = -1;
|
|
|
|
/* no need to flush internal buffer here as this is only called right
|
|
* after a seek. If this changes then the buffer should be flushed here
|
|
* too
|
|
*/
|
|
|
|
#ifdef HAVE_FTELLO
|
|
ret = ftello (filesink->file);
|
|
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
|
|
ret = lseek (fileno (filesink->file), 0, SEEK_CUR);
|
|
#else
|
|
ret = (off_t) ftell (filesink->file);
|
|
#endif
|
|
|
|
if (ret != (off_t) - 1)
|
|
*p_pos = (guint64) ret;
|
|
|
|
return (ret != (off_t) - 1);
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_file_sink_render_list_internal (GstFileSink * sink,
|
|
GstBufferList * buffer_list)
|
|
{
|
|
GstFlowReturn flow;
|
|
guint num_buffers;
|
|
guint64 skip = 0;
|
|
|
|
num_buffers = gst_buffer_list_length (buffer_list);
|
|
if (num_buffers == 0)
|
|
goto no_data;
|
|
|
|
GST_DEBUG_OBJECT (sink,
|
|
"writing %u buffers at position %" G_GUINT64_FORMAT, num_buffers,
|
|
sink->current_pos);
|
|
|
|
for (;;) {
|
|
guint64 bytes_written = 0;
|
|
|
|
flow =
|
|
gst_writev_buffer_list (GST_OBJECT_CAST (sink), fileno (sink->file),
|
|
NULL, buffer_list, &bytes_written, skip,
|
|
sink->max_transient_error_timeout, sink->current_pos, &sink->flushing);
|
|
|
|
sink->current_pos += bytes_written;
|
|
skip += bytes_written;
|
|
|
|
if (flow != GST_FLOW_FLUSHING)
|
|
break;
|
|
|
|
flow = gst_base_sink_wait_preroll (GST_BASE_SINK (sink));
|
|
|
|
if (flow != GST_FLOW_OK)
|
|
return flow;
|
|
}
|
|
|
|
return flow;
|
|
|
|
no_data:
|
|
{
|
|
GST_LOG_OBJECT (sink, "empty buffer list");
|
|
return GST_FLOW_OK;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_file_sink_flush_buffer (GstFileSink * filesink)
|
|
{
|
|
GstFlowReturn flow_ret = GST_FLOW_OK;
|
|
|
|
GST_DEBUG_OBJECT (filesink, "Flushing out buffer of size %" G_GSIZE_FORMAT,
|
|
filesink->current_buffer_size);
|
|
|
|
if (filesink->buffer && filesink->current_buffer_size) {
|
|
guint64 skip = 0;
|
|
|
|
for (;;) {
|
|
guint64 bytes_written = 0;
|
|
|
|
flow_ret =
|
|
gst_writev_mem (GST_OBJECT_CAST (filesink), fileno (filesink->file),
|
|
NULL, filesink->buffer, filesink->current_buffer_size, &bytes_written,
|
|
skip, filesink->max_transient_error_timeout, filesink->current_pos,
|
|
&filesink->flushing);
|
|
|
|
filesink->current_pos += bytes_written;
|
|
skip += bytes_written;
|
|
|
|
if (flow_ret != GST_FLOW_FLUSHING)
|
|
break;
|
|
|
|
flow_ret = gst_base_sink_wait_preroll (GST_BASE_SINK (filesink));
|
|
if (flow_ret != GST_FLOW_OK)
|
|
break;
|
|
}
|
|
} else if (filesink->buffer_list && filesink->current_buffer_size) {
|
|
guint length;
|
|
|
|
length = gst_buffer_list_length (filesink->buffer_list);
|
|
|
|
if (length > 0) {
|
|
flow_ret =
|
|
gst_file_sink_render_list_internal (filesink, filesink->buffer_list);
|
|
/* Remove all buffers from the list but keep the list. This ensures that
|
|
* we don't re-allocate the array storing the buffers all the time */
|
|
gst_buffer_list_remove (filesink->buffer_list, 0, length);
|
|
}
|
|
}
|
|
|
|
filesink->current_buffer_size = 0;
|
|
|
|
return flow_ret;
|
|
}
|
|
|
|
static gboolean
|
|
has_sync_after_buffer (GstBuffer ** buffer, guint idx, gpointer user_data)
|
|
{
|
|
if (GST_BUFFER_FLAG_IS_SET (*buffer, GST_BUFFER_FLAG_SYNC_AFTER)) {
|
|
gboolean *sync_after = user_data;
|
|
|
|
*sync_after = TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
accumulate_size (GstBuffer ** buffer, guint idx, gpointer user_data)
|
|
{
|
|
guint *size = user_data;
|
|
|
|
*size += gst_buffer_get_size (*buffer);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
render_buffer (GstFileSink * filesink, GstBuffer * buffer)
|
|
{
|
|
GstFlowReturn flow;
|
|
guint64 bytes_written = 0;
|
|
guint64 skip = 0;
|
|
|
|
for (;;) {
|
|
flow =
|
|
gst_writev_buffer (GST_OBJECT_CAST (filesink),
|
|
fileno (filesink->file), NULL, buffer, &bytes_written, skip,
|
|
filesink->max_transient_error_timeout, filesink->current_pos,
|
|
&filesink->flushing);
|
|
|
|
filesink->current_pos += bytes_written;
|
|
skip += bytes_written;
|
|
|
|
if (flow != GST_FLOW_FLUSHING)
|
|
break;
|
|
|
|
flow = gst_base_sink_wait_preroll (GST_BASE_SINK (filesink));
|
|
|
|
if (flow != GST_FLOW_OK)
|
|
break;
|
|
}
|
|
|
|
return flow;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_file_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
|
|
{
|
|
GstFlowReturn flow;
|
|
GstFileSink *sink;
|
|
guint i, num_buffers;
|
|
gboolean sync_after = FALSE;
|
|
gint fsync_ret;
|
|
|
|
sink = GST_FILE_SINK_CAST (bsink);
|
|
|
|
num_buffers = gst_buffer_list_length (buffer_list);
|
|
if (num_buffers == 0)
|
|
goto no_data;
|
|
|
|
gst_buffer_list_foreach (buffer_list, has_sync_after_buffer, &sync_after);
|
|
|
|
if (sync_after || (!sink->buffer && !sink->buffer_list)) {
|
|
flow = gst_file_sink_flush_buffer (sink);
|
|
if (flow == GST_FLOW_OK)
|
|
flow = gst_file_sink_render_list_internal (sink, buffer_list);
|
|
} else {
|
|
guint size = 0;
|
|
gst_buffer_list_foreach (buffer_list, accumulate_size, &size);
|
|
|
|
GST_DEBUG_OBJECT (sink,
|
|
"Queueing buffer list of %u bytes (%u buffers) at offset %"
|
|
G_GUINT64_FORMAT, size, num_buffers,
|
|
sink->current_pos + sink->current_buffer_size);
|
|
|
|
if (sink->buffer) {
|
|
flow = GST_FLOW_OK;
|
|
for (i = 0; i < num_buffers && flow == GST_FLOW_OK; i++) {
|
|
GstBuffer *buffer = gst_buffer_list_get (buffer_list, i);
|
|
gsize buffer_size = gst_buffer_get_size (buffer);
|
|
|
|
if (sink->current_buffer_size + buffer_size >
|
|
sink->allocated_buffer_size) {
|
|
flow = gst_file_sink_flush_buffer (sink);
|
|
if (flow != GST_FLOW_OK)
|
|
return flow;
|
|
}
|
|
|
|
if (buffer_size > sink->allocated_buffer_size) {
|
|
GST_DEBUG_OBJECT (sink,
|
|
"writing buffer ( %" G_GSIZE_FORMAT
|
|
" bytes) at position %" G_GUINT64_FORMAT,
|
|
buffer_size, sink->current_pos);
|
|
|
|
flow = render_buffer (sink, buffer);
|
|
} else {
|
|
sink->current_buffer_size +=
|
|
gst_buffer_extract (buffer, 0,
|
|
sink->buffer + sink->current_buffer_size, buffer_size);
|
|
flow = GST_FLOW_OK;
|
|
}
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_buffers; ++i)
|
|
gst_buffer_list_add (sink->buffer_list,
|
|
gst_buffer_ref (gst_buffer_list_get (buffer_list, i)));
|
|
sink->current_buffer_size += size;
|
|
|
|
if (sink->current_buffer_size > sink->buffer_size)
|
|
flow = gst_file_sink_flush_buffer (sink);
|
|
else
|
|
flow = GST_FLOW_OK;
|
|
}
|
|
}
|
|
|
|
if (flow == GST_FLOW_OK && sync_after) {
|
|
do {
|
|
fsync_ret = fsync (fileno (sink->file));
|
|
} while (fsync_ret < 0 && errno == EINTR);
|
|
if (fsync_ret) {
|
|
GST_ELEMENT_ERROR (sink, RESOURCE, WRITE,
|
|
(_("Error while writing to file \"%s\"."), sink->filename),
|
|
("%s", g_strerror (errno)));
|
|
flow = GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
return flow;
|
|
|
|
no_data:
|
|
{
|
|
GST_LOG_OBJECT (sink, "empty buffer list");
|
|
return GST_FLOW_OK;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_file_sink_render (GstBaseSink * sink, GstBuffer * buffer)
|
|
{
|
|
GstFileSink *filesink;
|
|
GstFlowReturn flow;
|
|
guint8 n_mem;
|
|
gboolean sync_after;
|
|
gint fsync_ret;
|
|
|
|
filesink = GST_FILE_SINK_CAST (sink);
|
|
|
|
sync_after = GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_SYNC_AFTER);
|
|
|
|
n_mem = gst_buffer_n_memory (buffer);
|
|
|
|
if (n_mem > 0 && (sync_after || (!filesink->buffer
|
|
&& !filesink->buffer_list))) {
|
|
flow = gst_file_sink_flush_buffer (filesink);
|
|
if (flow == GST_FLOW_OK) {
|
|
flow = render_buffer (filesink, buffer);
|
|
}
|
|
} else if (n_mem > 0) {
|
|
gsize size = gst_buffer_get_size (buffer);
|
|
|
|
GST_DEBUG_OBJECT (filesink,
|
|
"Queueing buffer of %" G_GSIZE_FORMAT " bytes at offset %"
|
|
G_GUINT64_FORMAT, size,
|
|
filesink->current_pos + filesink->current_buffer_size);
|
|
|
|
if (filesink->buffer) {
|
|
if (filesink->current_buffer_size + size >
|
|
filesink->allocated_buffer_size) {
|
|
flow = gst_file_sink_flush_buffer (filesink);
|
|
if (flow != GST_FLOW_OK)
|
|
return flow;
|
|
}
|
|
|
|
if (size > filesink->allocated_buffer_size) {
|
|
GST_DEBUG_OBJECT (sink,
|
|
"writing buffer ( %" G_GSIZE_FORMAT
|
|
" bytes) at position %" G_GUINT64_FORMAT,
|
|
size, filesink->current_pos);
|
|
|
|
flow = render_buffer (filesink, buffer);
|
|
} else {
|
|
filesink->current_buffer_size +=
|
|
gst_buffer_extract (buffer, 0,
|
|
filesink->buffer + filesink->current_buffer_size, size);
|
|
flow = GST_FLOW_OK;
|
|
}
|
|
} else {
|
|
filesink->current_buffer_size += gst_buffer_get_size (buffer);
|
|
gst_buffer_list_add (filesink->buffer_list, gst_buffer_ref (buffer));
|
|
|
|
if (filesink->current_buffer_size > filesink->buffer_size)
|
|
flow = gst_file_sink_flush_buffer (filesink);
|
|
else
|
|
flow = GST_FLOW_OK;
|
|
}
|
|
} else {
|
|
flow = GST_FLOW_OK;
|
|
}
|
|
|
|
if (flow == GST_FLOW_OK && sync_after) {
|
|
do {
|
|
fsync_ret = fsync (fileno (filesink->file));
|
|
} while (fsync_ret < 0 && errno == EINTR);
|
|
if (fsync_ret) {
|
|
GST_ELEMENT_ERROR (filesink, RESOURCE, WRITE,
|
|
(_("Error while writing to file \"%s\"."), filesink->filename),
|
|
("%s", g_strerror (errno)));
|
|
flow = GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
return flow;
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_start (GstBaseSink * basesink)
|
|
{
|
|
GstFileSink *filesink;
|
|
|
|
filesink = GST_FILE_SINK_CAST (basesink);
|
|
|
|
g_atomic_int_set (&filesink->flushing, FALSE);
|
|
return gst_file_sink_open_file (filesink);
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_stop (GstBaseSink * basesink)
|
|
{
|
|
GstFileSink *filesink;
|
|
|
|
filesink = GST_FILE_SINK_CAST (basesink);
|
|
|
|
gst_file_sink_close_file (filesink);
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_unlock (GstBaseSink * basesink)
|
|
{
|
|
GstFileSink *filesink;
|
|
|
|
filesink = GST_FILE_SINK_CAST (basesink);
|
|
g_atomic_int_set (&filesink->flushing, TRUE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_unlock_stop (GstBaseSink * basesink)
|
|
{
|
|
GstFileSink *filesink;
|
|
|
|
filesink = GST_FILE_SINK_CAST (basesink);
|
|
g_atomic_int_set (&filesink->flushing, FALSE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*** GSTURIHANDLER INTERFACE *************************************************/
|
|
|
|
static GstURIType
|
|
gst_file_sink_uri_get_type (GType type)
|
|
{
|
|
return GST_URI_SINK;
|
|
}
|
|
|
|
static const gchar *const *
|
|
gst_file_sink_uri_get_protocols (GType type)
|
|
{
|
|
static const gchar *protocols[] = { "file", NULL };
|
|
|
|
return protocols;
|
|
}
|
|
|
|
static gchar *
|
|
gst_file_sink_uri_get_uri (GstURIHandler * handler)
|
|
{
|
|
GstFileSink *sink = GST_FILE_SINK (handler);
|
|
|
|
/* FIXME: make thread-safe */
|
|
return g_strdup (sink->uri);
|
|
}
|
|
|
|
static gboolean
|
|
gst_file_sink_uri_set_uri (GstURIHandler * handler, const gchar * uri,
|
|
GError ** error)
|
|
{
|
|
gchar *location;
|
|
gboolean ret;
|
|
GstFileSink *sink = GST_FILE_SINK (handler);
|
|
|
|
/* allow file://localhost/foo/bar by stripping localhost but fail
|
|
* for every other hostname */
|
|
if (g_str_has_prefix (uri, "file://localhost/")) {
|
|
char *tmp;
|
|
|
|
/* 16 == strlen ("file://localhost") */
|
|
tmp = g_strconcat ("file://", uri + 16, NULL);
|
|
/* we use gst_uri_get_location() although we already have the
|
|
* "location" with uri + 16 because it provides unescaping */
|
|
location = gst_uri_get_location (tmp);
|
|
g_free (tmp);
|
|
} else if (strcmp (uri, "file://") == 0) {
|
|
/* Special case for "file://" as this is used by some applications
|
|
* to test with gst_element_make_from_uri if there's an element
|
|
* that supports the URI protocol. */
|
|
gst_file_sink_set_location (sink, NULL, NULL);
|
|
return TRUE;
|
|
} else {
|
|
location = gst_uri_get_location (uri);
|
|
}
|
|
|
|
if (!location) {
|
|
g_set_error_literal (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
|
|
"File URI without location");
|
|
return FALSE;
|
|
}
|
|
|
|
if (!g_path_is_absolute (location)) {
|
|
g_set_error_literal (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
|
|
"File URI location must be an absolute path");
|
|
g_free (location);
|
|
return FALSE;
|
|
}
|
|
|
|
ret = gst_file_sink_set_location (sink, location, error);
|
|
g_free (location);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gst_file_sink_uri_handler_init (gpointer g_iface, gpointer iface_data)
|
|
{
|
|
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
|
|
|
|
iface->get_type = gst_file_sink_uri_get_type;
|
|
iface->get_protocols = gst_file_sink_uri_get_protocols;
|
|
iface->get_uri = gst_file_sink_uri_get_uri;
|
|
iface->set_uri = gst_file_sink_uri_set_uri;
|
|
}
|