/**
* SECTION:element-fdsink
+ * @title: fdsink
* @see_also: #GstFdSrc
*
* Write data to a unix file descriptor.
#include <string.h>
#include "gstfdsink.h"
+#include "gstelements_private.h"
#ifdef G_OS_WIN32
#include <io.h> /* lseek, open, close, read */
#define off_t guint64
#endif
+#if defined(__BIONIC__) /* Android */
+#if defined(__ANDROID_API__) && __ANDROID_API__ >= 21
+#undef fstat
+#define fstat fstat64
+#endif
+#endif
+
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
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);
"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);
}
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;
- GstMapInfo info;
- guint8 *ptr;
- gsize 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;
- gst_buffer_map (buffer, &info, GST_MAP_READ);
+ if (!sink->unlock)
+ break;
- ptr = info.data;
- left = info.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", info.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", info.size, fdsink->fd);
+ flow =
+ gst_fd_sink_render_buffers (sink, buffers, num_buffers, mem_nums,
+ total_mems);
- written = write (fdsink->fd, ptr, left);
+ return flow;
- /* check for errors */
- if (G_UNLIKELY (written < 0)) {
- /* try to write again on non-fatal errors */
- if (errno == EAGAIN || errno == EINTR)
- goto again;
-
- /* 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, &info);
+ 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, &info);
- return GST_FLOW_ERROR;
- }
-stopped:
- {
- GST_DEBUG_OBJECT (fdsink, "Select stopped");
- gst_buffer_unmap (buffer, &info);
- return GST_FLOW_FLUSHING;
- }
-#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, &info);
- return GST_FLOW_ERROR;
- }
+ return flow;
}
static gboolean
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);
projects / platform / upstream / gstreamer.git / blobdiff