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filesink: Fix buffered mode writing

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Fixing miscalculated buffer index when a buffer holds multiple
memories and it's not aligned to the vector size 16

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4809>
This commit is contained in:
Seungha Yang 2023-06-08 20:52:21 +09:00
parent c9d9af2fee
commit cf60babf87
2 changed files with 92 additions and 0 deletions
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8
subprojects/gstreamer/plugins/elements/gstelements_private.c
View file

@ -540,6 +540,10 @@ gst_writev_buffer_list (GstObject * sink, gint fd, GstPoll * fdset,
current_buf_mem_idx = 0;
}
current_buf_idx = i;
if (current_buf_mem_idx != 0) {
g_assert (current_buf_idx > 0);
current_buf_idx--;
}
}
do {
@ -629,6 +633,10 @@ gst_writev_buffer_list (GstObject * sink, gint fd, GstPoll * fdset,
current_buf_mem_idx = 0;
}
current_buf_idx = i;
if (current_buf_mem_idx != 0) {
g_assert (current_buf_idx > 0);
current_buf_idx--;
}
}
} while (left > 0);

84
subprojects/gstreamer/tests/check/elements/filesink.c
View file

@ -24,6 +24,7 @@
#endif
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
@ -484,6 +485,86 @@ GST_START_TEST (test_uri_interface)
GST_END_TEST;
static void
test_buffered_write (guint num_buf, guint num_mem_per_buf)
{
GstElement *filesink;
guint i, j;
gchar *tmp_fn;
GstSegment segment;
const gsize size_per_mem = 4;
gsize total_size = size_per_mem * num_buf * num_mem_per_buf;
GStatBuf stat_buf;
tmp_fn = create_temporary_file ();
if (!tmp_fn)
return;
filesink = setup_filesink ();
g_object_set (filesink, "location", tmp_fn, NULL);
fail_unless_equals_int (gst_element_set_state (filesink, GST_STATE_PLAYING),
GST_STATE_CHANGE_ASYNC);
fail_unless (gst_pad_push_event (mysrcpad,
gst_event_new_stream_start ("test")));
gst_segment_init (&segment, GST_FORMAT_BYTES);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
for (i = 0; i < num_buf; i++) {
GstBuffer *buf = gst_buffer_new ();
for (j = 0; j < num_mem_per_buf; j++) {
GstMemory *mem = gst_allocator_alloc (NULL, size_per_mem, NULL);
GstMapInfo info;
fail_unless (mem != NULL);
fail_unless (gst_memory_map (mem, &info, GST_MAP_WRITE));
memset (info.data, 0, info.size);
gst_memory_unmap (mem, &info);
gst_buffer_append_memory (buf, mem);
}
fail_unless_equals_int (gst_pad_push (mysrcpad, buf), GST_FLOW_OK);
}
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
fail_unless_equals_int (gst_element_set_state (filesink, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
cleanup_filesink (filesink);
if (g_stat (tmp_fn, &stat_buf) == 0)
fail_unless_equals_int64 (stat_buf.st_size, total_size);
g_remove (tmp_fn);
g_free (tmp_fn);
}
GST_START_TEST (test_buffered_write_17_1)
{
test_buffered_write (17, 1);
}
GST_END_TEST;
GST_START_TEST (test_buffered_write_9_2)
{
test_buffered_write (9, 2);
}
GST_END_TEST;
GST_START_TEST (test_buffered_write_6_3)
{
test_buffered_write (6, 3);
}
GST_END_TEST;
static Suite *
filesink_suite (void)
{
@ -496,6 +577,9 @@ filesink_suite (void)
tcase_add_test (tc_chain, test_uri_interface);
tcase_add_test (tc_chain, test_seeking);
tcase_add_test (tc_chain, test_flush);
tcase_add_test (tc_chain, test_buffered_write_17_1);
tcase_add_test (tc_chain, test_buffered_write_9_2);
tcase_add_test (tc_chain, test_buffered_write_6_3);
return s;
}