gstreamer/tests/check/elements/x264enc.c
2015-12-24 14:48:38 +01:00

306 lines
8.6 KiB
C

/* GStreamer
*
* unit test for x264enc
*
* Copyright (C) <2008> Mark Nauwelaerts <mnauw@users.sf.net>
*
* 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.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
static GstPad *mysrcpad, *mysinkpad;
#define VIDEO_CAPS_STRING "video/x-raw, " \
"format = (string) { I420, Y42B, Y444 }, " \
"width = (int) 384, " \
"height = (int) 288, " \
"framerate = (fraction) 25/1"
#define MPEG_CAPS_STRING "video/x-h264, " \
"width = (int) 384, " \
"height = (int) 288, " \
"framerate = (fraction) 25/1"
static GstElement *
setup_x264enc (const gchar * profile, const gchar * stream_format,
const gchar * input_format)
{
GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (MPEG_CAPS_STRING));
GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VIDEO_CAPS_STRING));
GstElement *x264enc;
gchar *caps_str;
GstCaps *caps;
GST_DEBUG ("setup_x264enc");
caps_str = g_strdup_printf ("%s, profile = (string) %s, "
"stream-format = (string) %s", MPEG_CAPS_STRING, profile, stream_format);
sinktemplate.static_caps.string = caps_str;
x264enc = gst_check_setup_element ("x264enc");
mysrcpad = gst_check_setup_src_pad (x264enc, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (x264enc, &sinktemplate);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
caps = gst_caps_from_string (VIDEO_CAPS_STRING);
gst_caps_set_simple (caps, "format", G_TYPE_STRING, input_format, NULL);
gst_check_setup_events (mysrcpad, x264enc, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
g_free (caps_str);
return x264enc;
}
static void
cleanup_x264enc (GstElement * x264enc)
{
GST_DEBUG ("cleanup_x264enc");
gst_element_set_state (x264enc, GST_STATE_NULL);
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (x264enc);
gst_check_teardown_sink_pad (x264enc);
gst_check_teardown_element (x264enc);
}
static void
check_caps (GstCaps * caps, const gchar * profile, gint profile_id)
{
GstStructure *s;
const GValue *sf, *avcc, *pf;
const gchar *stream_format;
const gchar *caps_profile;
fail_unless (caps != NULL);
GST_INFO ("caps %" GST_PTR_FORMAT, caps);
s = gst_caps_get_structure (caps, 0);
fail_unless (s != NULL);
fail_if (!gst_structure_has_name (s, "video/x-h264"));
sf = gst_structure_get_value (s, "stream-format");
fail_unless (sf != NULL);
fail_unless (G_VALUE_HOLDS_STRING (sf));
stream_format = g_value_get_string (sf);
fail_unless (stream_format != NULL);
if (strcmp (stream_format, "avc") == 0) {
GstMapInfo map;
GstBuffer *buf;
avcc = gst_structure_get_value (s, "codec_data");
fail_unless (avcc != NULL);
fail_unless (GST_VALUE_HOLDS_BUFFER (avcc));
buf = gst_value_get_buffer (avcc);
fail_unless (buf != NULL);
gst_buffer_map (buf, &map, GST_MAP_READ);
fail_unless_equals_int (map.data[0], 1);
fail_unless (map.data[1] == profile_id);
gst_buffer_unmap (buf, &map);
} else if (strcmp (stream_format, "byte-stream") == 0) {
fail_if (gst_structure_get_value (s, "codec_data") != NULL);
} else {
fail_if (TRUE, "unexpected stream-format in caps: %s", stream_format);
}
pf = gst_structure_get_value (s, "profile");
fail_unless (pf != NULL);
fail_unless (G_VALUE_HOLDS_STRING (pf));
caps_profile = g_value_get_string (pf);
fail_unless (caps_profile != NULL);
fail_unless (!strcmp (caps_profile, profile));
}
static void
test_video_profile (const gchar * profile, gint profile_id,
const gchar * input_format)
{
GstElement *x264enc;
GstBuffer *inbuffer, *outbuffer;
int i, num_buffers;
x264enc = setup_x264enc (profile, "avc", input_format);
fail_unless (gst_element_set_state (x264enc,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* corresponds to I420 buffer for the size mentioned in the caps */
if (!strcmp (input_format, "I420"))
inbuffer = gst_buffer_new_and_alloc (384 * 288 * 3 / 2);
else if (!strcmp (input_format, "Y42B"))
inbuffer = gst_buffer_new_and_alloc (384 * 288 * 2);
else if (!strcmp (input_format, "Y444"))
inbuffer = gst_buffer_new_and_alloc (384 * 288 * 3);
else
g_assert_not_reached ();
/* makes valgrind's memcheck happier */
gst_buffer_memset (inbuffer, 0, 0, -1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* send eos to have all flushed if needed */
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()) == TRUE);
num_buffers = g_list_length (buffers);
fail_unless (num_buffers == 1);
/* check output caps */
{
GstCaps *outcaps;
outcaps = gst_pad_get_current_caps (mysinkpad);
check_caps (outcaps, profile, profile_id);
gst_caps_unref (outcaps);
}
/* clean up buffers */
for (i = 0; i < num_buffers; ++i) {
outbuffer = GST_BUFFER (buffers->data);
fail_if (outbuffer == NULL);
switch (i) {
case 0:
{
gint nsize, npos, j, type, next_type;
GstMapInfo map;
const guint8 *data;
gsize size;
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
data = map.data;
size = map.size;
npos = 0;
j = 0;
/* need SPS first */
next_type = 7;
/* loop through NALs */
while (npos < size) {
fail_unless (size - npos >= 4);
nsize = GST_READ_UINT32_BE (data + npos);
fail_unless (nsize > 0);
fail_unless (npos + 4 + nsize <= size);
type = data[npos + 4] & 0x1F;
/* check the first NALs, disregard AU (9), SEI (6) */
if (type != 9 && type != 6) {
fail_unless (type == next_type);
switch (type) {
case 7:
/* SPS */
next_type = 8;
break;
case 8:
/* PPS */
next_type = 5;
break;
default:
break;
}
j++;
}
npos += nsize + 4;
}
gst_buffer_unmap (outbuffer, &map);
/* should have reached the exact end */
fail_unless (npos == size);
break;
}
default:
break;
}
buffers = g_list_remove (buffers, outbuffer);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
gst_buffer_unref (outbuffer);
outbuffer = NULL;
}
cleanup_x264enc (x264enc);
g_list_free (buffers);
buffers = NULL;
}
GST_START_TEST (test_video_baseline)
{
test_video_profile ("constrained-baseline", 0x42, "I420");
}
GST_END_TEST;
GST_START_TEST (test_video_main)
{
test_video_profile ("main", 0x4d, "I420");
}
GST_END_TEST;
GST_START_TEST (test_video_high)
{
test_video_profile ("high", 0x64, "I420");
}
GST_END_TEST;
GST_START_TEST (test_video_high422)
{
test_video_profile ("high-4:2:2", 0x7A, "Y42B");
}
GST_END_TEST;
GST_START_TEST (test_video_high444)
{
test_video_profile ("high-4:4:4", 0xF4, "Y444");
}
GST_END_TEST;
Suite *
x264enc_suite (void)
{
Suite *s = suite_create ("x264enc");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_video_baseline);
tcase_add_test (tc_chain, test_video_main);
tcase_add_test (tc_chain, test_video_high);
tcase_add_test (tc_chain, test_video_high422);
tcase_add_test (tc_chain, test_video_high444);
return s;
}
GST_CHECK_MAIN (x264enc);