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-rw-r--r--ext/gio/gstgiosrc.c217
1 files changed, 13 insertions, 204 deletions
diff --git a/ext/gio/gstgiosrc.c b/ext/gio/gstgiosrc.c
index e984e143..ee336f03 100644
--- a/ext/gio/gstgiosrc.c
+++ b/ext/gio/gstgiosrc.c
@@ -1,6 +1,7 @@
/* 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
@@ -46,13 +47,8 @@ enum
ARG_LOCATION
};
-static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
-
-GST_BOILERPLATE_FULL (GstGioSrc, gst_gio_src, GstBaseSrc, GST_TYPE_BASE_SRC,
- gst_gio_uri_handler_do_init);
+GST_BOILERPLATE_FULL (GstGioSrc, gst_gio_src, GstGioBaseSrc,
+ GST_TYPE_GIO_BASE_SRC, gst_gio_uri_handler_do_init);
static void gst_gio_src_finalize (GObject * object);
static void gst_gio_src_set_property (GObject * object, guint prop_id,
@@ -60,14 +56,6 @@ static void gst_gio_src_set_property (GObject * object, guint prop_id,
static void gst_gio_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static gboolean gst_gio_src_start (GstBaseSrc * base_src);
-static gboolean gst_gio_src_stop (GstBaseSrc * base_src);
-static gboolean gst_gio_src_get_size (GstBaseSrc * base_src, guint64 * size);
-static gboolean gst_gio_src_is_seekable (GstBaseSrc * base_src);
-static gboolean gst_gio_src_unlock (GstBaseSrc * base_src);
-static gboolean gst_gio_src_unlock_stop (GstBaseSrc * base_src);
-static gboolean gst_gio_src_check_get_range (GstBaseSrc * base_src);
-static GstFlowReturn gst_gio_src_create (GstBaseSrc * base_src, guint64 offset,
- guint size, GstBuffer ** buf);
static void
gst_gio_src_base_init (gpointer gclass)
@@ -76,14 +64,13 @@ gst_gio_src_base_init (gpointer gclass)
"GIO source",
"Source/File",
"Read from any GIO-supported location",
- "Ren\xc3\xa9 Stadler <mail@renestadler.de>"
+ "Ren\xc3\xa9 Stadler <mail@renestadler.de>, "
+ "Sebastian Dröge <slomo@circular-chaos.org>"
};
GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
- GST_DEBUG_CATEGORY_INIT (gst_gio_src_debug, "giosrc", 0, "GIO source");
+ GST_DEBUG_CATEGORY_INIT (gst_gio_src_debug, "gio_src", 0, "GIO source");
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_factory));
gst_element_class_set_details (element_class, &element_details);
}
@@ -107,20 +94,11 @@ gst_gio_src_class_init (GstGioSrcClass * klass)
NULL, G_PARAM_READWRITE));
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_gio_src_start);
- gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_gio_src_stop);
- gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_gio_src_get_size);
- gstbasesrc_class->is_seekable = GST_DEBUG_FUNCPTR (gst_gio_src_is_seekable);
- gstbasesrc_class->unlock = GST_DEBUG_FUNCPTR (gst_gio_src_unlock);
- gstbasesrc_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_gio_src_unlock_stop);
- gstbasesrc_class->check_get_range =
- GST_DEBUG_FUNCPTR (gst_gio_src_check_get_range);
- gstbasesrc_class->create = GST_DEBUG_FUNCPTR (gst_gio_src_create);
}
static void
gst_gio_src_init (GstGioSrc * src, GstGioSrcClass * gclass)
{
- src->cancel = g_cancellable_new ();
}
static void
@@ -128,16 +106,6 @@ gst_gio_src_finalize (GObject * object)
{
GstGioSrc *src = GST_GIO_SRC (object);
- if (src->cancel) {
- g_object_unref (src->cancel);
- src->cancel = NULL;
- }
-
- if (src->stream) {
- g_object_unref (src->stream);
- src->stream = NULL;
- }
-
if (src->location) {
g_free (src->location);
src->location = NULL;
@@ -189,6 +157,8 @@ gst_gio_src_start (GstBaseSrc * base_src)
GstGioSrc *src = GST_GIO_SRC (base_src);
GFile *file;
GError *err = NULL;
+ GInputStream *stream;
+ GCancellable *cancel = GST_GIO_BASE_SRC (src)->cancel;
if (src->location == NULL) {
GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), ("No location given"));
@@ -203,11 +173,11 @@ gst_gio_src_start (GstBaseSrc * base_src)
return FALSE;
}
- src->stream = g_file_read (file, src->cancel, &err);
+ stream = G_INPUT_STREAM (g_file_read (file, cancel, &err));
g_object_unref (file);
- if (src->stream == NULL && !gst_gio_error (src, "g_file_read", &err, NULL)) {
+ if (stream == NULL && !gst_gio_error (src, "g_file_read", &err, NULL)) {
if (GST_GIO_ERROR_MATCHES (err, NOT_FOUND))
GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, (NULL),
@@ -222,174 +192,13 @@ gst_gio_src_start (GstBaseSrc * base_src)
return FALSE;
- } else if (src->stream == NULL) {
+ } else if (stream == NULL) {
return FALSE;
}
- src->position = 0;
+ gst_gio_base_src_set_stream (GST_GIO_BASE_SRC (src), stream);
GST_DEBUG_OBJECT (src, "opened location %s", src->location);
- return TRUE;
-}
-
-static gboolean
-gst_gio_src_stop (GstBaseSrc * base_src)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
- gboolean success = TRUE;
- GError *err = NULL;
-
- if (src->stream != NULL) {
- /* FIXME: In case that the call below would block, there is no one to
- * trigger the cancellation! */
-
- success = g_input_stream_close (G_INPUT_STREAM (src->stream), src->cancel,
- &err);
-
- if (!success && !gst_gio_error (src, "g_input_stream_close", &err, NULL)) {
- GST_ELEMENT_ERROR (src, RESOURCE, CLOSE, (NULL),
- ("g_input_stream_close failed: %s", err->message));
- g_clear_error (&err);
- }
-
- g_object_unref (src->stream);
- src->stream = NULL;
- }
-
- GST_DEBUG_OBJECT (src, "closed location %s", src->location);
-
- return success;
-}
-
-static gboolean
-gst_gio_src_get_size (GstBaseSrc * base_src, guint64 * size)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
- GFileInfo *info;
- GError *err = NULL;
-
- info = g_file_input_stream_query_info (src->stream,
- G_FILE_ATTRIBUTE_STD_SIZE, src->cancel, &err);
-
- if (info != NULL) {
- *size = g_file_info_get_size (info);
- g_object_unref (info);
- GST_DEBUG_OBJECT (src, "found size: %" G_GUINT64_FORMAT, *size);
- return TRUE;
- }
-
- if (!gst_gio_error (src, "g_file_input_stream_query_info", &err, NULL)) {
-
- if (GST_GIO_ERROR_MATCHES (err, NOT_SUPPORTED))
- GST_DEBUG_OBJECT (src, "size information not available");
- else
- GST_WARNING_OBJECT (src, "size information retrieval failed: %s",
- err->message);
-
- g_clear_error (&err);
- }
-
- return FALSE;
-}
-
-static gboolean
-gst_gio_src_is_seekable (GstBaseSrc * base_src)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
- gboolean seekable;
-
- seekable = g_seekable_can_seek (G_SEEKABLE (src->stream));
-
- GST_DEBUG_OBJECT (src, "can seek: %d", seekable);
-
- return seekable;
-}
-
-static gboolean
-gst_gio_src_unlock (GstBaseSrc * base_src)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
-
- GST_LOG_OBJECT (src, "triggering cancellation");
-
- g_cancellable_cancel (src->cancel);
-
- return TRUE;
-}
-
-static gboolean
-gst_gio_src_unlock_stop (GstBaseSrc * base_src)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
-
- GST_LOG_OBJECT (src, "resetting cancellable");
-
- g_cancellable_reset (src->cancel);
-
- return TRUE;
-}
-
-static gboolean
-gst_gio_src_check_get_range (GstBaseSrc * base_src)
-{
- /* FIXME: Implement dry-run variant using guesswork like gnomevfssrc? */
-
- return GST_CALL_PARENT_WITH_DEFAULT (GST_BASE_SRC_CLASS,
- check_get_range, (base_src), FALSE);
-}
-
-static GstFlowReturn
-gst_gio_src_create (GstBaseSrc * base_src, guint64 offset, guint size,
- GstBuffer ** buf_return)
-{
- GstGioSrc *src = GST_GIO_SRC (base_src);
- GstBuffer *buf;
- gssize read;
- gboolean success, eos;
- GstFlowReturn ret = GST_FLOW_OK;
- GError *err = NULL;
-
- if (G_UNLIKELY (offset != src->position)) {
-
- ret = gst_gio_seek (src, G_SEEKABLE (src->stream), offset, src->cancel);
-
- if (ret == GST_FLOW_OK)
- src->position = offset;
- else
- return ret;
- }
-
- buf = gst_buffer_new_and_alloc (size);
-
- GST_LOG_OBJECT (src, "reading %u bytes from offset %" G_GUINT64_FORMAT,
- size, offset);
-
- read =
- g_input_stream_read (G_INPUT_STREAM (src->stream), GST_BUFFER_DATA (buf),
- size, src->cancel, &err);
-
- success = (read >= 0);
- eos = (size > 0 && read == 0);
-
- if (!success && !gst_gio_error (src, "g_input_stream_read", &err, &ret)) {
- GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
- ("Could not read from location %s: %s", src->location, err->message));
- g_clear_error (&err);
- }
-
- if (success && !eos) {
- src->position += read;
- GST_BUFFER_OFFSET (buf) = offset;
- GST_BUFFER_SIZE (buf) = read;
- *buf_return = buf;
- } else {
- /* !success || eos */
- gst_buffer_unref (buf);
- }
-
- if (eos)
- ret = GST_FLOW_UNEXPECTED;
-
- return ret;
+ return GST_BASE_SRC_CLASS (parent_class)->start (base_src);
}
generated by cgit v1.2.1 (git 2.18.0) at 2024-10-14 13:00:47 +0000