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filesink/fdsink: Write 1 iovec directly without copying if there's no writev() support

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This commit is contained in:
Sebastian Dröge 2020-03-20 18:48:52 +02:00 committed by GStreamer Merge Bot
parent c15f1b2bec
commit 93ffec7b2e
2 changed files with 7 additions and 3 deletions
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8
plugins/elements/gstelements_private.c
View file

@ -167,7 +167,7 @@ gst_writev (gint fd, const struct iovec *iov, gint iovcnt, gsize total_bytes)
* cases, and it's not clear how that can be reconciled with the
* possibility of short writes, so in any case we might want to
* simplify this later or just remove it. */
if (total_bytes <= FDSINK_MAX_MALLOC_SIZE) {
if (iovcnt > 1 && total_bytes <= FDSINK_MAX_MALLOC_SIZE) {
gchar *mem, *p;
if (total_bytes <= FDSINK_MAX_ALLOCA_SIZE)
@ -440,7 +440,7 @@ gst_writev_buffer (GstObject * sink, gint fd, GstPoll * fdset,
}
GstFlowReturn
gst_write_mem (GstObject * sink, gint fd, GstPoll * fdset,
gst_writev_mem (GstObject * sink, gint fd, GstPoll * fdset,
const guint8 * data, guint size,
guint64 * bytes_written, guint64 skip,
gint max_transient_error_timeout, guint64 current_position,
@ -475,6 +475,10 @@ gst_write_mem (GstObject * sink, gint fd, GstPoll * fdset,
if (bytes_written)
*bytes_written += bytes_written_local;
/* All done, no need for bookkeeping */
if (bytes_written_local == left)
break;
/* skip partially written vector data */
if (bytes_written_local < left) {
vec.iov_len -= bytes_written_local;

2
plugins/elements/gstelements_private.h
View file

@ -48,7 +48,7 @@ GstFlowReturn gst_writev_buffer_list (GstObject * sink, gint fd, GstPoll * fdse
gboolean * flushing);
G_GNUC_INTERNAL
GstFlowReturn gst_write_mem (GstObject * sink, gint fd, GstPoll * fdset,
GstFlowReturn gst_writev_mem (GstObject * sink, gint fd, GstPoll * fdset,
const guint8 *data, guint size,
guint64 * bytes_written, guint64 skip,
gint max_transient_error_timeout, guint64 current_position,