*
* 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.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-fdsink
+ * @title: fdsink
* @see_also: #GstFdSrc
*
* Write data to a unix file descriptor.
* This element will synchronize on the clock before writing the data on the
* socket. For file descriptors where this does not make sense (files, ...) the
* #GstBaseSink:sync property can be used to disable synchronisation.
- *
- * Last reviewed on 2006-04-28 (0.10.6)
*/
#ifdef HAVE_CONFIG_H
#include <sys/types.h>
-#ifdef G_OS_WIN32
-#include <io.h> /* lseek, open, close, read */
-#undef lseek
-#define lseek _lseeki64
-#undef off_t
-#define off_t guint64
-#endif
-
#include <sys/stat.h>
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#include <string.h>
#include "gstfdsink.h"
+#include "gstelements_private.h"
+
+#ifdef G_OS_WIN32
+#include <io.h> /* lseek, open, close, read */
+#undef lseek
+#define lseek _lseeki64
+#undef off_t
+#define off_t guint64
+#endif
+
+#ifdef __BIONIC__ /* Android */
+#undef lseek
+#define lseek lseek64
+#undef fstat
+#define fstat fstat64
+#undef off_t
+#define off_t guint64
+#endif
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GValue * value, GParamSpec * pspec);
static void gst_fd_sink_dispose (GObject * obj);
-static gboolean gst_fd_sink_query (GstPad * pad, GstQuery * query);
+static gboolean gst_fd_sink_query (GstBaseSink * bsink, GstQuery * query);
static GstFlowReturn gst_fd_sink_render (GstBaseSink * sink,
GstBuffer * buffer);
+static GstFlowReturn gst_fd_sink_render_list (GstBaseSink * bsink,
+ GstBufferList * buffer_list);
static gboolean gst_fd_sink_start (GstBaseSink * basesink);
static gboolean gst_fd_sink_stop (GstBaseSink * basesink);
static gboolean gst_fd_sink_unlock (GstBaseSink * basesink);
gobject_class->get_property = gst_fd_sink_get_property;
gobject_class->dispose = gst_fd_sink_dispose;
- gst_element_class_set_details_simple (gstelement_class,
+ gst_element_class_set_static_metadata (gstelement_class,
"Filedescriptor Sink",
"Sink/File",
"Write data to a file descriptor", "Erik Walthinsen <omega@cse.ogi.edu>");
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&sinktemplate));
+ gst_element_class_add_static_pad_template (gstelement_class, &sinktemplate);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_fd_sink_render);
+ gstbasesink_class->render_list = GST_DEBUG_FUNCPTR (gst_fd_sink_render_list);
gstbasesink_class->start = GST_DEBUG_FUNCPTR (gst_fd_sink_start);
gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_fd_sink_stop);
gstbasesink_class->unlock = GST_DEBUG_FUNCPTR (gst_fd_sink_unlock);
gstbasesink_class->unlock_stop = GST_DEBUG_FUNCPTR (gst_fd_sink_unlock_stop);
gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_fd_sink_event);
+ gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_fd_sink_query);
g_object_class_install_property (gobject_class, ARG_FD,
g_param_spec_int ("fd", "fd", "An open file descriptor to write to",
static void
gst_fd_sink_init (GstFdSink * fdsink)
{
- GstPad *pad;
-
- pad = GST_BASE_SINK_PAD (fdsink);
- gst_pad_set_query_function (pad, GST_DEBUG_FUNCPTR (gst_fd_sink_query));
-
fdsink->fd = 1;
fdsink->uri = g_strdup_printf ("fd://%d", fdsink->fd);
fdsink->bytes_written = 0;
}
static gboolean
-gst_fd_sink_query (GstPad * pad, GstQuery * query)
+gst_fd_sink_query (GstBaseSink * bsink, GstQuery * query)
{
+ gboolean res = FALSE;
GstFdSink *fdsink;
- GstFormat format;
- fdsink = GST_FD_SINK (GST_PAD_PARENT (pad));
+ fdsink = GST_FD_SINK (bsink);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:
+ {
+ GstFormat format;
+
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, fdsink->current_pos);
- return TRUE;
+ res = TRUE;
+ break;
default:
- return FALSE;
+ break;
}
-
+ break;
+ }
case GST_QUERY_FORMATS:
gst_query_set_formats (query, 2, GST_FORMAT_DEFAULT, GST_FORMAT_BYTES);
- return TRUE;
-
+ res = TRUE;
+ break;
case GST_QUERY_URI:
gst_query_set_uri (query, fdsink->uri);
- return TRUE;
+ res = TRUE;
+ break;
+ case GST_QUERY_SEEKING:{
+ GstFormat format;
+ 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, fdsink->seekable, 0,
+ -1);
+ } else {
+ gst_query_set_seeking (query, format, FALSE, 0, -1);
+ }
+ res = TRUE;
+ break;
+ }
default:
- return gst_pad_query_default (pad, query);
+ res = GST_BASE_SINK_CLASS (parent_class)->query (bsink, query);
+ break;
+
}
+ return res;
}
static GstFlowReturn
-gst_fd_sink_render (GstBaseSink * sink, GstBuffer * buffer)
+gst_fd_sink_render_buffers (GstFdSink * sink, GstBuffer ** buffers,
+ guint num_buffers, guint8 * mem_nums, guint total_mems)
{
- GstFdSink *fdsink;
- guint8 *data, *ptr;
- gsize size, left;
- gint written;
+ GstFlowReturn ret;
+ guint64 skip = 0;
-#ifndef HAVE_WIN32
- gint retval;
-#endif
+ for (;;) {
+ guint64 bytes_written = 0;
- fdsink = GST_FD_SINK (sink);
+ ret = gst_writev_buffers (GST_OBJECT_CAST (sink), sink->fd, sink->fdset,
+ buffers, num_buffers, mem_nums, total_mems, &bytes_written, skip);
- g_return_val_if_fail (fdsink->fd >= 0, GST_FLOW_ERROR);
+ sink->bytes_written += bytes_written;
+ sink->current_pos += bytes_written;
+ skip += bytes_written;
- data = gst_buffer_map (buffer, &size, NULL, GST_MAP_READ);
+ if (!sink->unlock)
+ break;
- ptr = data;
- left = size;
+ ret = gst_base_sink_wait_preroll (GST_BASE_SINK (sink));
+ if (ret != GST_FLOW_OK)
+ return ret;
+ }
-again:
-#ifndef HAVE_WIN32
- do {
- GST_DEBUG_OBJECT (fdsink, "going into select, have %" G_GSIZE_FORMAT
- " bytes to write", size);
- retval = gst_poll_wait (fdsink->fdset, GST_CLOCK_TIME_NONE);
- } while (retval == -1 && (errno == EINTR || errno == EAGAIN));
+ return ret;
+}
- if (retval == -1) {
- if (errno == EBUSY)
- goto stopped;
- else
- goto select_error;
+static GstFlowReturn
+gst_fd_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
+{
+ GstFlowReturn flow;
+ GstBuffer **buffers;
+ GstFdSink *sink;
+ guint8 *mem_nums;
+ guint total_mems;
+ guint i, num_buffers;
+
+ sink = GST_FD_SINK_CAST (bsink);
+
+ num_buffers = gst_buffer_list_length (buffer_list);
+ if (num_buffers == 0)
+ goto no_data;
+
+ /* extract buffers from list and count memories */
+ buffers = g_newa (GstBuffer *, num_buffers);
+ mem_nums = g_newa (guint8, num_buffers);
+ for (i = 0, total_mems = 0; i < num_buffers; ++i) {
+ buffers[i] = gst_buffer_list_get (buffer_list, i);
+ mem_nums[i] = gst_buffer_n_memory (buffers[i]);
+ total_mems += mem_nums[i];
}
-#endif
-
- GST_DEBUG_OBJECT (fdsink, "writing %" G_GSIZE_FORMAT " bytes to"
- " file descriptor %d", size, fdsink->fd);
- written = write (fdsink->fd, ptr, left);
+ flow =
+ gst_fd_sink_render_buffers (sink, buffers, num_buffers, mem_nums,
+ total_mems);
- /* check for errors */
- if (G_UNLIKELY (written < 0)) {
- /* try to write again on non-fatal errors */
- if (errno == EAGAIN || errno == EINTR)
- goto again;
+ return flow;
- /* else go to our error handler */
- goto write_error;
+no_data:
+ {
+ GST_LOG_OBJECT (sink, "empty buffer list");
+ return GST_FLOW_OK;
}
+}
- /* all is fine when we get here */
- left -= written;
- ptr += written;
- fdsink->bytes_written += written;
- fdsink->current_pos += written;
-
- GST_DEBUG_OBJECT (fdsink, "wrote %d bytes, %" G_GSIZE_FORMAT " left", written,
- left);
-
- /* short write, select and try to write the remainder */
- if (G_UNLIKELY (left > 0))
- goto again;
+static GstFlowReturn
+gst_fd_sink_render (GstBaseSink * bsink, GstBuffer * buffer)
+{
+ GstFlowReturn flow;
+ GstFdSink *sink;
+ guint8 n_mem;
- gst_buffer_unmap (buffer, data, size);
+ sink = GST_FD_SINK_CAST (bsink);
- return GST_FLOW_OK;
+ n_mem = gst_buffer_n_memory (buffer);
-#ifndef HAVE_WIN32
-select_error:
- {
- GST_ELEMENT_ERROR (fdsink, RESOURCE, READ, (NULL),
- ("select on file descriptor: %s.", g_strerror (errno)));
- GST_DEBUG_OBJECT (fdsink, "Error during select");
- gst_buffer_unmap (buffer, data, size);
- return GST_FLOW_ERROR;
- }
-stopped:
- {
- GST_DEBUG_OBJECT (fdsink, "Select stopped");
- gst_buffer_unmap (buffer, data, size);
- return GST_FLOW_WRONG_STATE;
- }
-#endif
+ if (n_mem > 0)
+ flow = gst_fd_sink_render_buffers (sink, &buffer, 1, &n_mem, n_mem);
+ else
+ flow = GST_FLOW_OK;
-write_error:
- {
- switch (errno) {
- case ENOSPC:
- GST_ELEMENT_ERROR (fdsink, RESOURCE, NO_SPACE_LEFT, (NULL), (NULL));
- break;
- default:{
- GST_ELEMENT_ERROR (fdsink, RESOURCE, WRITE, (NULL),
- ("Error while writing to file descriptor %d: %s",
- fdsink->fd, g_strerror (errno)));
- }
- }
- gst_buffer_unmap (buffer, data, size);
- return GST_FLOW_ERROR;
- }
+ return flow;
}
static gboolean
-gst_fd_sink_check_fd (GstFdSink * fdsink, int fd)
+gst_fd_sink_check_fd (GstFdSink * fdsink, int fd, GError ** error)
{
struct stat stat_results;
off_t result;
{
GST_ELEMENT_ERROR (fdsink, RESOURCE, WRITE, (NULL),
("File descriptor %d is not valid: %s", fd, g_strerror (errno)));
+ g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_REFERENCE,
+ "File descriptor %d is not valid: %s", fd, g_strerror (errno));
return FALSE;
}
not_seekable:
GstPollFD fd = GST_POLL_FD_INIT;
fdsink = GST_FD_SINK (basesink);
- if (!gst_fd_sink_check_fd (fdsink, fdsink->fd))
+ if (!gst_fd_sink_check_fd (fdsink, fdsink->fd, NULL))
return FALSE;
if ((fdsink->fdset = gst_poll_new (TRUE)) == NULL)
fdsink->bytes_written = 0;
fdsink->current_pos = 0;
+ fdsink->seekable = gst_fd_sink_do_seek (fdsink, 0);
+ GST_INFO_OBJECT (fdsink, "seeking supported: %d", fdsink->seekable);
+
return TRUE;
/* ERRORS */
GST_LOG_OBJECT (fdsink, "Flushing");
GST_OBJECT_LOCK (fdsink);
+ fdsink->unlock = TRUE;
gst_poll_set_flushing (fdsink->fdset, TRUE);
GST_OBJECT_UNLOCK (fdsink);
GST_LOG_OBJECT (fdsink, "No longer flushing");
GST_OBJECT_LOCK (fdsink);
+ fdsink->unlock = FALSE;
gst_poll_set_flushing (fdsink->fdset, FALSE);
GST_OBJECT_UNLOCK (fdsink);
}
static gboolean
-gst_fd_sink_update_fd (GstFdSink * fdsink, int new_fd)
+gst_fd_sink_update_fd (GstFdSink * fdsink, int new_fd, GError ** error)
{
- if (new_fd < 0)
+ if (new_fd < 0) {
+ g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_REFERENCE,
+ "File descriptor %d is not valid", new_fd);
return FALSE;
+ }
- if (!gst_fd_sink_check_fd (fdsink, new_fd))
+ if (!gst_fd_sink_check_fd (fdsink, new_fd, error))
goto invalid;
/* assign the fd */
int fd;
fd = g_value_get_int (value);
- gst_fd_sink_update_fd (fdsink, fd);
+ gst_fd_sink_update_fd (fdsink, fd, NULL);
break;
}
default:
break;
}
- return TRUE;
+ return GST_BASE_SINK_CLASS (parent_class)->event (sink, event);
seek_failed:
{
GST_ELEMENT_ERROR (fdsink, RESOURCE, SEEK, (NULL),
("Error while seeking on file descriptor %d: %s",
fdsink->fd, g_strerror (errno)));
+ gst_event_unref (event);
return FALSE;
}
return GST_URI_SINK;
}
-static gchar **
+static const gchar *const *
gst_fd_sink_uri_get_protocols (GType type)
{
- static gchar *protocols[] = { (char *) "fd", NULL };
+ static const gchar *protocols[] = { "fd", NULL };
return protocols;
}
-static const gchar *
+static gchar *
gst_fd_sink_uri_get_uri (GstURIHandler * handler)
{
GstFdSink *sink = GST_FD_SINK (handler);
- return sink->uri;
+ /* FIXME: make thread-safe */
+ return g_strdup (sink->uri);
}
static gboolean
-gst_fd_sink_uri_set_uri (GstURIHandler * handler, const gchar * uri)
+gst_fd_sink_uri_set_uri (GstURIHandler * handler, const gchar * uri,
+ GError ** error)
{
- gchar *protocol;
GstFdSink *sink = GST_FD_SINK (handler);
gint fd;
- protocol = gst_uri_get_protocol (uri);
- if (strcmp (protocol, "fd") != 0) {
- g_free (protocol);
+ if (sscanf (uri, "fd://%d", &fd) != 1) {
+ g_set_error (error, GST_URI_ERROR, GST_URI_ERROR_BAD_URI,
+ "File descriptor URI could not be parsed");
return FALSE;
}
- g_free (protocol);
-
- if (sscanf (uri, "fd://%d", &fd) != 1)
- return FALSE;
- return gst_fd_sink_update_fd (sink, fd);
+ return gst_fd_sink_update_fd (sink, fd, error);
}
static void
projects / platform / upstream / gstreamer.git / blobdiff