--- a/gst_plugins_base/ext/gio/gstgiobasesink.c Wed Mar 31 22:03:18 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,349 +0,0 @@
-/* GStreamer
- *
- * Copyright (C) 2007 Rene Stadler <mail@renestadler.de>
- * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "gstgiobasesink.h"
-
-GST_DEBUG_CATEGORY_STATIC (gst_gio_base_sink_debug);
-#define GST_CAT_DEFAULT gst_gio_base_sink_debug
-
-static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
-
-GST_BOILERPLATE (GstGioBaseSink, gst_gio_base_sink, GstBaseSink,
- GST_TYPE_BASE_SINK);
-
-static void gst_gio_base_sink_finalize (GObject * object);
-static gboolean gst_gio_base_sink_start (GstBaseSink * base_sink);
-static gboolean gst_gio_base_sink_stop (GstBaseSink * base_sink);
-static gboolean gst_gio_base_sink_unlock (GstBaseSink * base_sink);
-static gboolean gst_gio_base_sink_unlock_stop (GstBaseSink * base_sink);
-static gboolean gst_gio_base_sink_event (GstBaseSink * base_sink,
- GstEvent * event);
-static GstFlowReturn gst_gio_base_sink_render (GstBaseSink * base_sink,
- GstBuffer * buffer);
-static gboolean gst_gio_base_sink_query (GstPad * pad, GstQuery * query);
-
-static void
-gst_gio_base_sink_base_init (gpointer gclass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
-
- GST_DEBUG_CATEGORY_INIT (gst_gio_base_sink_debug, "gio_base_sink", 0,
- "GIO base sink");
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_factory));
-}
-
-static void
-gst_gio_base_sink_class_init (GstGioBaseSinkClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstBaseSinkClass *gstbasesink_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
- gstbasesink_class = (GstBaseSinkClass *) klass;
-
- gobject_class->finalize = gst_gio_base_sink_finalize;
-
- gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_gio_base_sink_start);
- gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_gio_base_sink_stop);
- gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_gio_base_sink_unlock);
- gstbasesink_class->unlock_stop =
- GST_DEBUG_FUNCPTR (gst_gio_base_sink_unlock_stop);
- gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_gio_base_sink_event);
- gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_gio_base_sink_render);
-}
-
-static void
-gst_gio_base_sink_init (GstGioBaseSink * sink, GstGioBaseSinkClass * gclass)
-{
- gst_pad_set_query_function (GST_BASE_SINK_PAD (sink),
- GST_DEBUG_FUNCPTR (gst_gio_base_sink_query));
-
- gst_base_sink_set_sync (GST_BASE_SINK (sink), FALSE);
-
- sink->cancel = g_cancellable_new ();
-}
-
-static void
-gst_gio_base_sink_finalize (GObject * object)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (object);
-
- if (sink->cancel) {
- g_object_unref (sink->cancel);
- sink->cancel = NULL;
- }
-
- if (sink->stream) {
- g_object_unref (sink->stream);
- sink->stream = NULL;
- }
-
- GST_CALL_PARENT (G_OBJECT_CLASS, finalize, (object));
-}
-
-static gboolean
-gst_gio_base_sink_start (GstBaseSink * base_sink)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
-
- if (!G_IS_OUTPUT_STREAM (sink->stream)) {
- GST_ELEMENT_ERROR (sink, RESOURCE, OPEN_WRITE, (NULL),
- ("No stream given yet"));
- return FALSE;
- }
-
- sink->position = 0;
-
- GST_DEBUG_OBJECT (sink, "started stream");
-
- return TRUE;
-}
-
-static gboolean
-gst_gio_base_sink_stop (GstBaseSink * base_sink)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
- gboolean success;
- GError *err = NULL;
-
- if (G_IS_OUTPUT_STREAM (sink->stream)) {
- GST_DEBUG_OBJECT (sink, "closing stream");
-
- /* FIXME: can block but unfortunately we can't use async operations
- * here because they require a running main loop */
- success = g_output_stream_close (sink->stream, sink->cancel, &err);
-
- if (!success && !gst_gio_error (sink, "g_output_stream_close", &err, NULL)) {
- GST_ELEMENT_WARNING (sink, RESOURCE, CLOSE, (NULL),
- ("g_ooutput_stream_close failed: %s", err->message));
- g_clear_error (&err);
- } else if (!success) {
- GST_ELEMENT_WARNING (sink, RESOURCE, CLOSE, (NULL),
- ("g_output_stream_close failed"));
- } else {
- GST_DEBUG_OBJECT (sink, "g_outut_stream_close succeeded");
- }
-
- g_object_unref (sink->stream);
- sink->stream = NULL;
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_gio_base_sink_unlock (GstBaseSink * base_sink)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
-
- GST_LOG_OBJECT (sink, "triggering cancellation");
-
- g_cancellable_cancel (sink->cancel);
-
- return TRUE;
-}
-
-static gboolean
-gst_gio_base_sink_unlock_stop (GstBaseSink * base_sink)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
-
- GST_LOG_OBJECT (sink, "resetting cancellable");
-
- g_cancellable_reset (sink->cancel);
-
- return TRUE;
-}
-
-static gboolean
-gst_gio_base_sink_event (GstBaseSink * base_sink, GstEvent * event)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
- GstFlowReturn ret = GST_FLOW_OK;
-
- if (sink->stream == NULL)
- return TRUE;
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_NEWSEGMENT:
- if (G_IS_OUTPUT_STREAM (sink->stream)) {
- GstFormat format;
- gint64 offset;
-
- gst_event_parse_new_segment (event, NULL, NULL, &format, &offset, NULL,
- NULL);
-
- if (format != GST_FORMAT_BYTES) {
- GST_WARNING_OBJECT (sink, "ignored NEWSEGMENT event in %s format",
- gst_format_get_name (format));
- break;
- }
-
- if (GST_GIO_STREAM_IS_SEEKABLE (sink->stream)) {
- ret = gst_gio_seek (sink, G_SEEKABLE (sink->stream), offset,
- sink->cancel);
- if (ret == GST_FLOW_OK)
- sink->position = offset;
- } else {
- ret = GST_FLOW_NOT_SUPPORTED;
- }
- }
- break;
-
- case GST_EVENT_EOS:
- case GST_EVENT_FLUSH_START:
- if (G_IS_OUTPUT_STREAM (sink->stream)) {
- gboolean success;
- GError *err = NULL;
-
- success = g_output_stream_flush (sink->stream, sink->cancel, &err);
-
- if (!success && !gst_gio_error (sink, "g_output_stream_flush", &err,
- &ret)) {
- GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
- ("flush failed: %s", err->message));
- g_clear_error (&err);
- }
- }
- break;
-
- default:
- break;
- }
-
- return (ret == GST_FLOW_OK);
-}
-
-static GstFlowReturn
-gst_gio_base_sink_render (GstBaseSink * base_sink, GstBuffer * buffer)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (base_sink);
- gssize written;
- gboolean success;
- GError *err = NULL;
-
- g_return_val_if_fail (G_IS_OUTPUT_STREAM (sink->stream), GST_FLOW_ERROR);
-
- GST_LOG_OBJECT (sink, "writing %u bytes to offset %" G_GUINT64_FORMAT,
- GST_BUFFER_SIZE (buffer), sink->position);
-
- written = g_output_stream_write (sink->stream,
- GST_BUFFER_DATA (buffer), GST_BUFFER_SIZE (buffer), sink->cancel, &err);
-
- success = (written >= 0);
-
- if (G_UNLIKELY (success && written < GST_BUFFER_SIZE (buffer))) {
- /* FIXME: Can this happen? Should we handle it gracefully? gnomevfssink
- * doesn't... */
- GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
- ("Could not write to stream: (short write, only %"
- G_GUINT64_FORMAT " bytes of %d bytes written)",
- written, GST_BUFFER_SIZE (buffer)));
- return GST_FLOW_ERROR;
- }
-
- if (success) {
- sink->position += written;
- return GST_FLOW_OK;
-
- } else {
- GstFlowReturn ret;
-
- if (!gst_gio_error (sink, "g_output_stream_write", &err, &ret)) {
- GST_ELEMENT_ERROR (sink, RESOURCE, WRITE, (NULL),
- ("Could not write to stream: %s", err->message));
- g_clear_error (&err);
- }
-
- return ret;
- }
-}
-
-static gboolean
-gst_gio_base_sink_query (GstPad * pad, GstQuery * query)
-{
- GstGioBaseSink *sink = GST_GIO_BASE_SINK (GST_PAD_PARENT (pad));
- GstFormat format;
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- gst_query_parse_position (query, &format, NULL);
- switch (format) {
- case GST_FORMAT_BYTES:
- case GST_FORMAT_DEFAULT:
- gst_query_set_position (query, GST_FORMAT_BYTES, sink->position);
- return TRUE;
- default:
- return FALSE;
- }
- case GST_QUERY_FORMATS:
- gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
- return TRUE;
- default:
- return gst_pad_query_default (pad, query);
- }
-}
-
-void
-gst_gio_base_sink_set_stream (GstGioBaseSink * sink, GOutputStream * stream)
-{
- g_return_if_fail (G_IS_OUTPUT_STREAM (stream));
- g_return_if_fail ((GST_STATE (sink) != GST_STATE_PLAYING &&
- GST_STATE (sink) != GST_STATE_PAUSED));
-
- if (G_IS_OUTPUT_STREAM (sink->stream)) {
- gboolean success;
- GError *err = NULL;
-
- GST_DEBUG_OBJECT (sink, "closing old stream");
-
- /* FIXME: can block but unfortunately we can't use async operations
- * here because they require a running main loop */
- success = g_output_stream_close (sink->stream, sink->cancel, &err);
-
- if (!success && !gst_gio_error (sink, "g_output_stream_close", &err, NULL)) {
- GST_ELEMENT_WARNING (sink, RESOURCE, CLOSE, (NULL),
- ("g_output_stream_close failed: %s", err->message));
- g_clear_error (&err);
- } else if (!success) {
- GST_ELEMENT_WARNING (sink, RESOURCE, CLOSE, (NULL),
- ("g_output_stream_close failed"));
- } else {
- GST_DEBUG_OBJECT (sink, "g_output_stream_close succeeded");
- }
-
- g_object_unref (sink->stream);
- sink->stream = NULL;
- }
-
- sink->stream = stream;
-}