gstreamer/tests/check/libs/baseparse.c

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/* GStreamer
*
* Copyright (C) 2014 Samsung Electronics. All rights reserved.
* Author: Thiago Santos <ts.santos@sisa.samsung.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/check/gstcheck.h>
#include <gst/base/gstbaseparse.h>
static GstPad *mysrcpad, *mysinkpad;
static GstElement *parsetest;
static GstBus *bus;
static GMainLoop *loop = NULL;
static gboolean have_eos = FALSE;
static gboolean have_data = FALSE;
static gint buffer_count = 0;
static gboolean caps_set = FALSE;
static gchar *raw_buffer = NULL;
static gint raw_buffer_size = 0;
static gint buffer_pull_count = 0;
static gint current_offset = 0;
#define TEST_VIDEO_WIDTH 640
#define TEST_VIDEO_HEIGHT 480
#define TEST_VIDEO_FPS_N 30
#define TEST_VIDEO_FPS_D 1
#define GST_PARSER_TESTER_TYPE gst_parser_tester_get_type()
static GType gst_parser_tester_get_type (void);
typedef struct _GstParserTester GstParserTester;
typedef struct _GstParserTesterClass GstParserTesterClass;
struct _GstParserTester
{
GstBaseParse parent;
guint min_frame_size;
guint last_frame_size;
};
struct _GstParserTesterClass
{
GstBaseParseClass parent_class;
};
G_DEFINE_TYPE (GstParserTester, gst_parser_tester, GST_TYPE_BASE_PARSE);
static gboolean
gst_parser_tester_start (GstBaseParse * parse)
{
return TRUE;
}
static gboolean
gst_parser_tester_stop (GstBaseParse * parse)
{
return TRUE;
}
static gboolean
gst_parser_tester_set_sink_caps (GstBaseParse * parse, GstCaps * caps)
{
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
return TRUE;
}
static GstFlowReturn
gst_parser_tester_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize)
{
GstFlowReturn ret = GST_FLOW_OK;
GstParserTester *test = (GstParserTester *) (parse);
gsize frame_size;
if (caps_set == FALSE) {
GstCaps *caps;
/* push caps */
caps =
gst_caps_new_simple ("video/x-test-custom", "width", G_TYPE_INT,
TEST_VIDEO_WIDTH, "height", G_TYPE_INT, TEST_VIDEO_HEIGHT, "framerate",
GST_TYPE_FRACTION, TEST_VIDEO_FPS_N, TEST_VIDEO_FPS_D, NULL);
gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps);
gst_caps_unref (caps);
caps_set = TRUE;
}
/* Base parse always passes a buffer, or it's a bug */
fail_unless (frame->buffer != NULL);
frame_size = gst_buffer_get_size (frame->buffer);
/* Require that baseparse collect enough input
* for 2 output frames */
if (frame_size < test->min_frame_size) {
/* We need more data for this */
*skipsize = 0;
/* If we skipped data before, last_frame_size will be set, and
* base parse must pass more data next time */
fail_unless (frame_size >= test->last_frame_size);
test->last_frame_size = frame_size;
return GST_FLOW_OK;
}
/* Reset our expectation of frame size once we've collected
* a full frame */
test->last_frame_size = 0;
while (frame_size >= test->min_frame_size) {
GST_BUFFER_DURATION (frame->buffer) =
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N);
ret = gst_base_parse_finish_frame (parse, frame, test->min_frame_size);
if (frame->buffer == NULL)
break; // buffer finished
}
return ret;
}
static void
gst_parser_tester_class_init (GstParserTesterClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstBaseParseClass *baseparse_class = GST_BASE_PARSE_CLASS (klass);
static GstStaticPadTemplate sink_templ = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-test-custom"));
static GstStaticPadTemplate src_templ = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-test-custom"));
gst_element_class_add_static_pad_template (element_class, &sink_templ);
gst_element_class_add_static_pad_template (element_class, &src_templ);
gst_element_class_set_metadata (element_class,
"ParserTester", "Parser/Video", "yep", "me");
baseparse_class->start = gst_parser_tester_start;
baseparse_class->stop = gst_parser_tester_stop;
baseparse_class->handle_frame = gst_parser_tester_handle_frame;
baseparse_class->set_sink_caps = gst_parser_tester_set_sink_caps;
}
static void
gst_parser_tester_init (GstParserTester * tester)
{
tester->min_frame_size = 8;
}
static void
setup_parsertester (void)
{
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-test-custom")
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-test-custom")
);
parsetest = g_object_new (GST_PARSER_TESTER_TYPE, NULL);
mysrcpad = gst_check_setup_src_pad (parsetest, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (parsetest, &sinktemplate);
bus = gst_bus_new ();
gst_element_set_bus (parsetest, bus);
}
static void
cleanup_parsertest (void)
{
/* release the bus first to get rid of all refcounts */
gst_element_set_bus (parsetest, NULL);
gst_object_unref (bus);
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (parsetest);
gst_check_teardown_sink_pad (parsetest);
gst_check_teardown_element (parsetest);
}
static GstBuffer *
create_test_buffer (guint64 num)
{
GstBuffer *buffer;
guint64 *data = g_malloc (sizeof (guint64));
*data = num;
buffer = gst_buffer_new_wrapped (data, sizeof (guint64));
GST_BUFFER_PTS (buffer) =
gst_util_uint64_scale_round (num, GST_SECOND * TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N);
GST_BUFFER_DURATION (buffer) =
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N);
return buffer;
}
static void
send_startup_events (void)
{
GstCaps *caps;
fail_unless (gst_pad_push_event (mysrcpad,
gst_event_new_stream_start ("randomvalue")));
/* push caps */
caps =
gst_caps_new_simple ("video/x-test-custom", "width", G_TYPE_INT,
TEST_VIDEO_WIDTH, "height", G_TYPE_INT, TEST_VIDEO_HEIGHT, "framerate",
GST_TYPE_FRACTION, TEST_VIDEO_FPS_N, TEST_VIDEO_FPS_D, NULL);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_caps (caps)));
gst_caps_unref (caps);
}
static void
check_no_error_received (void)
{
GstMessage *msg;
msg = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR);
fail_unless (msg == NULL);
if (msg)
gst_message_unref (msg);
}
static void
run_parser_playback_test (GList * input, gint expected_output, gdouble rate)
{
GstBuffer *buffer;
guint64 i;
GList *iter;
GstSegment segment;
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (parsetest, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
send_startup_events ();
/* push a new segment */
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.rate = rate;
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* push buffers, the data is actually a number so we can track them */
for (iter = input; iter; iter = g_list_next (iter)) {
buffer = iter->data;
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
}
g_list_free (input);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* check that all buffers were received by our source pad */
fail_unless (g_list_length (buffers) == expected_output);
i = 0;
for (iter = buffers; iter; iter = g_list_next (iter)) {
GstMapInfo map;
guint64 num;
buffer = iter->data;
gst_buffer_map (buffer, &map, GST_MAP_READ);
num = *(guint64 *) map.data;
fail_unless (i == num);
fail_unless (GST_BUFFER_PTS (buffer) == gst_util_uint64_scale_round (i,
GST_SECOND * TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N));
fail_unless (GST_BUFFER_DURATION (buffer) ==
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N));
gst_buffer_unmap (buffer, &map);
i++;
}
g_list_free_full (buffers, (GDestroyNotify) gst_buffer_unref);
buffers = NULL;
check_no_error_received ();
cleanup_parsertest ();
}
GST_START_TEST (parser_playback)
{
GList *input = NULL;
gint i;
GstBuffer *buffer;
setup_parsertester ();
/* push buffers, the data is actually a number so we can track them */
for (i = 0; i < 3; i++) {
buffer = create_test_buffer (i);
input = g_list_append (input, buffer);
}
run_parser_playback_test (input, 3, 1.0);
}
GST_END_TEST;
/* Check https://bugzilla.gnome.org/show_bug.cgi?id=721941 */
GST_START_TEST (parser_reverse_playback_on_passthrough)
{
GList *input = NULL;
gint i;
GstBuffer *buffer;
setup_parsertester ();
gst_base_parse_set_passthrough (GST_BASE_PARSE (parsetest), TRUE);
/* push buffers, the data is actually a number so we can track them */
for (i = 0; i < 6; i++) {
buffer = create_test_buffer (i);
if (i > 0)
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
input = g_list_append (input, buffer);
}
GST_BUFFER_FLAG_SET (g_list_nth (input, 3)->data, GST_BUFFER_FLAG_DISCONT);
run_parser_playback_test (input, 6, -1.0);
}
GST_END_TEST;
GST_START_TEST (parser_empty_stream)
{
setup_parsertester ();
run_parser_playback_test (NULL, 0, 1.0);
}
GST_END_TEST;
static GstFlowReturn
_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
GstMapInfo map;
guint64 num;
gst_buffer_map (buffer, &map, GST_MAP_READ);
num = *(guint64 *) map.data;
fail_unless (buffer_count == num);
fail_unless (GST_BUFFER_PTS (buffer) ==
gst_util_uint64_scale_round (buffer_count, GST_SECOND * TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N));
fail_unless (GST_BUFFER_DURATION (buffer) ==
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N));
gst_buffer_unmap (buffer, &map);
gst_buffer_unref (buffer);
buffer_count++;
have_data = TRUE;
return GST_FLOW_OK;
}
static gboolean
_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GST_INFO_OBJECT (pad, "got %s event %p: %" GST_PTR_FORMAT,
GST_EVENT_TYPE_NAME (event), event, event);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
if (loop) {
while (!g_main_loop_is_running (loop)) {
/* nothing */
};
}
have_eos = TRUE;
if (loop)
g_main_loop_quit (loop);
break;
default:
break;
}
gst_event_unref (event);
return TRUE;
}
static GstFlowReturn
_src_getrange (GstPad * pad, GstObject * parent, guint64 offset, guint length,
GstBuffer ** buffer)
{
gboolean ret = FALSE;
if (offset >= 80 && have_eos == FALSE) {
ret = gst_element_seek (parsetest, -1.0, GST_FORMAT_TIME,
GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, gst_util_uint64_scale_round (5,
GST_SECOND * TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N));
fail_unless (ret == TRUE);
buffer_count = 0;
}
*buffer = create_test_buffer (offset / 8);
return GST_FLOW_OK;
}
static gboolean
_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res = FALSE;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_SCHEDULING:{
gst_query_set_scheduling (query, GST_SCHEDULING_FLAG_SEEKABLE, 1, -1, 0);
gst_query_add_scheduling_mode (query, GST_PAD_MODE_PULL);
res = TRUE;
break;
}
default:
GST_DEBUG_OBJECT (pad, "unhandled %s query", GST_QUERY_TYPE_NAME (query));
break;
}
return res;
}
GST_START_TEST (parser_reverse_playback)
{
have_eos = FALSE;
have_data = FALSE;
loop = g_main_loop_new (NULL, FALSE);
setup_parsertester ();
gst_pad_set_getrange_function (mysrcpad, _src_getrange);
gst_pad_set_query_function (mysrcpad, _src_query);
gst_pad_set_chain_function (mysinkpad, _sink_chain);
gst_pad_set_event_function (mysinkpad, _sink_event);
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (parsetest, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
g_main_loop_run (loop);
fail_unless (have_eos == TRUE);
fail_unless (have_data == TRUE);
gst_element_set_state (parsetest, GST_STATE_NULL);
check_no_error_received ();
cleanup_parsertest ();
g_main_loop_unref (loop);
loop = NULL;
}
GST_END_TEST;
static GstFlowReturn
_sink_chain_pull_short_read (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
{
GstMapInfo map;
gint buffer_size = 0;
gint compare_result = 0;
gint64 result_offset = GST_BUFFER_OFFSET (buffer);
gst_buffer_map (buffer, &map, GST_MAP_READ);
buffer_size = map.size;
fail_unless (result_offset + buffer_size <= raw_buffer_size);
compare_result = memcmp (map.data, &raw_buffer[result_offset], buffer_size);
fail_unless_equals_int (compare_result, 0);
gst_buffer_unmap (buffer, &map);
gst_buffer_unref (buffer);
have_data = TRUE;
buffer_count++;
return GST_FLOW_OK;
}
static GstFlowReturn
_src_getrange_pull_short_read (GstPad * pad, GstObject * parent,
guint64 offset, guint length, GstBuffer ** buffer)
{
GstBuffer *buf = NULL;
gchar *data = NULL;
guint buffer_size = 0;
if (offset == raw_buffer_size) {
/* pulled all buffer */
return GST_FLOW_EOS;
}
if (offset + length <= raw_buffer_size) {
buffer_size = length;
} else {
/* buffer size is less than request size */
buffer_size = raw_buffer_size - offset;
}
data = g_malloc (buffer_size);
memcpy (data, &raw_buffer[offset], buffer_size);
buf = gst_buffer_new_wrapped (data, buffer_size);
GST_BUFFER_PTS (buf) =
gst_util_uint64_scale_round (buffer_pull_count,
GST_SECOND * TEST_VIDEO_FPS_D, TEST_VIDEO_FPS_N);
GST_BUFFER_DURATION (buf) =
gst_util_uint64_scale_round (GST_SECOND, TEST_VIDEO_FPS_D,
TEST_VIDEO_FPS_N);
*buffer = buf;
current_offset = offset;
buffer_pull_count++;
return GST_FLOW_OK;
}
GST_START_TEST (parser_pull_short_read)
{
gint i, j;
raw_buffer_size = (64 * 1024) + 512;
raw_buffer = g_malloc (raw_buffer_size);
for (i = 0; i < raw_buffer_size; i++) {
j = i % 26;
raw_buffer[i] = 'a' + j;
}
have_eos = FALSE;
have_data = FALSE;
buffer_count = 0;
loop = g_main_loop_new (NULL, FALSE);
setup_parsertester ();
gst_pad_set_getrange_function (mysrcpad, _src_getrange_pull_short_read);
gst_pad_set_query_function (mysrcpad, _src_query);
gst_pad_set_chain_function (mysinkpad, _sink_chain_pull_short_read);
gst_pad_set_event_function (mysinkpad, _sink_event);
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (parsetest), 1024);
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (parsetest, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
g_main_loop_run (loop);
fail_unless_equals_int (have_eos, TRUE);
fail_unless_equals_int (have_data, TRUE);
/* If the parser asked upstream for buffers more times than buffers were
* produced, then something is wrong */
fail_unless (buffer_pull_count <= buffer_count);
gst_element_set_state (parsetest, GST_STATE_NULL);
check_no_error_received ();
cleanup_parsertest ();
g_main_loop_unref (loop);
loop = NULL;
}
GST_END_TEST;
/* parser_pull_frame_growth test */
/* Buffer size is chosen to interact with
* the 64KB that baseparse reads
* from upstream as cache size */
#define BUFSIZE (123 * 1024)
static GstFlowReturn
_sink_chain_pull_frame_growth (GstPad * pad, GstObject * parent,
GstBuffer * buffer)
{
gst_buffer_unref (buffer);
have_data = TRUE;
buffer_count++;
return GST_FLOW_OK;
}
static GstFlowReturn
_src_getrange_64k (GstPad * pad, GstObject * parent, guint64 offset,
guint length, GstBuffer ** buffer)
{
guint8 *data;
/* Our "file" is large enough for 4 packets exactly */
if (offset >= BUFSIZE * 4)
return GST_FLOW_EOS;
/* Return a buffer of the size baseparse asked for */
data = g_malloc0 (length);
*buffer = gst_buffer_new_wrapped (data, length);
return GST_FLOW_OK;
}
/* Test that when we fail to parse a frame from
* the provided data, that baseparse provides a larger
* buffer on the next iteration */
GST_START_TEST (parser_pull_frame_growth)
{
have_eos = FALSE;
have_data = FALSE;
loop = g_main_loop_new (NULL, FALSE);
setup_parsertester ();
buffer_count = 0;
/* This size is chosen to require that baseparse pull
* a 2nd 64KB buffer */
((GstParserTester *) (parsetest))->min_frame_size = BUFSIZE;
gst_pad_set_getrange_function (mysrcpad, _src_getrange_64k);
gst_pad_set_query_function (mysrcpad, _src_query);
gst_pad_set_chain_function (mysinkpad, _sink_chain_pull_frame_growth);
gst_pad_set_event_function (mysinkpad, _sink_event);
gst_base_parse_set_min_frame_size (GST_BASE_PARSE (parsetest), 1024);
gst_pad_set_active (mysrcpad, TRUE);
gst_element_set_state (parsetest, GST_STATE_PLAYING);
gst_pad_set_active (mysinkpad, TRUE);
g_main_loop_run (loop);
fail_unless (have_eos == TRUE);
fail_unless (have_data == TRUE);
gst_element_set_state (parsetest, GST_STATE_NULL);
check_no_error_received ();
cleanup_parsertest ();
g_main_loop_unref (loop);
loop = NULL;
}
GST_END_TEST;
static void
baseparse_setup (void)
{
/* init/reset global state */
mysrcpad = mysinkpad = NULL;
parsetest = NULL;
bus = NULL;
loop = NULL;
have_eos = have_data = caps_set = FALSE;
buffer_count = 0;
}
static void
baseparse_teardown (void)
{
}
static Suite *
gst_baseparse_suite (void)
{
Suite *s = suite_create ("GstBaseParse");
TCase *tc = tcase_create ("general");
suite_add_tcase (s, tc);
tcase_add_checked_fixture (tc, baseparse_setup, baseparse_teardown);
tcase_add_test (tc, parser_playback);
tcase_add_test (tc, parser_empty_stream);
tcase_add_test (tc, parser_reverse_playback_on_passthrough);
tcase_add_test (tc, parser_reverse_playback);
tcase_add_test (tc, parser_pull_short_read);
tcase_add_test (tc, parser_pull_frame_growth);
return s;
}
GST_CHECK_MAIN (gst_baseparse);