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filesink: implement ::render_list() function that uses writev()

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This commit is contained in:
Tim-Philipp Müller 2014-11-28 15:04:27 +00:00
parent ad3e12b006
commit 5a4fb5c314
2 changed files with 53 additions and 0 deletions

52
plugins/elements/gstfilesink.c
View file

@ -68,6 +68,8 @@
#include <unistd.h>
#endif
#include "gstelements_private.h"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
@ -164,6 +166,8 @@ static gboolean gst_file_sink_stop (GstBaseSink * sink);
static gboolean gst_file_sink_event (GstBaseSink * sink, GstEvent * event);
static GstFlowReturn gst_file_sink_render (GstBaseSink * sink,
GstBuffer * buffer);
static GstFlowReturn gst_file_sink_render_list (GstBaseSink * sink,
GstBufferList * list);
static gboolean gst_file_sink_do_seek (GstFileSink * filesink,
guint64 new_offset);
@ -231,6 +235,8 @@ gst_file_sink_class_init (GstFileSinkClass * klass)
gstbasesink_class->stop = GST_DEBUG_FUNCPTR (gst_file_sink_stop);
gstbasesink_class->query = GST_DEBUG_FUNCPTR (gst_file_sink_query);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_file_sink_render);
gstbasesink_class->render_list =
GST_DEBUG_FUNCPTR (gst_file_sink_render_list);
gstbasesink_class->event = GST_DEBUG_FUNCPTR (gst_file_sink_event);
if (sizeof (off_t) < 8) {
@ -646,6 +652,52 @@ gst_file_sink_get_current_offset (GstFileSink * filesink, guint64 * p_pos)
return (ret != (off_t) - 1);
}
static GstFlowReturn
gst_file_sink_render_buffers (GstFileSink * sink, GstBuffer ** buffers,
guint num_buffers, guint8 * mem_nums, guint total_mems)
{
return gst_writev_buffers (GST_OBJECT_CAST (sink), fileno (sink->file), NULL,
buffers, num_buffers, mem_nums, total_mems, NULL, &sink->current_pos);
}
static GstFlowReturn
gst_file_sink_render_list (GstBaseSink * bsink, GstBufferList * buffer_list)
{
GstFlowReturn flow;
GstBuffer **buffers;
GstFileSink *sink;
guint8 *mem_nums;
guint total_mems;
guint i, num_buffers;
sink = GST_FILE_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];
}
flow =
gst_file_sink_render_buffers (sink, buffers, num_buffers, mem_nums,
total_mems);
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)
{

1
plugins/elements/gstfilesink.h
View file

@ -41,6 +41,7 @@ G_BEGIN_DECLS
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FILE_SINK))
#define GST_IS_FILE_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FILE_SINK))
#define GST_FILE_SINK_CAST(obj) ((GstFileSink *)(obj))
typedef struct _GstFileSink GstFileSink;
typedef struct _GstFileSinkClass GstFileSinkClass;