summaryrefslogtreecommitdiff
path: root/tests/check/elements/x264enc.c
blob: 71e6b4167386c47d3b5287c36128009e8a1a4a99 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
/* 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 <gst/check/gstcheck.h>
#include <gst/video/video.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, " \
                           "width = (int) 384, " \
                           "height = (int) 288, " \
                           "framerate = (fraction) 25/1"

#define H264_CAPS_STRING "video/x-h264, " \
                           "width = (int) 384, " \
                           "height = (int) 288, " \
                           "framerate = (fraction) 25/1"

static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (VIDEO_CAPS_STRING));

static GstElement *
setup_x264enc (const gchar * profile, const gchar * stream_format,
    GstVideoFormat input_format)
{
  GstPadTemplate *sink_tmpl;
  GstElement *x264enc;
  GstCaps *caps;

  GST_DEBUG ("setup_x264enc");

  caps = gst_caps_from_string (H264_CAPS_STRING);
  gst_caps_set_simple (caps, "profile", G_TYPE_STRING, profile,
      "stream-format", G_TYPE_STRING, stream_format, NULL);
  sink_tmpl = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
  gst_caps_unref (caps);

  x264enc = gst_check_setup_element ("x264enc");
  mysrcpad = gst_check_setup_src_pad (x264enc, &srctemplate);
  mysinkpad = gst_check_setup_sink_pad_from_template (x264enc, sink_tmpl);
  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,
      gst_video_format_to_string (input_format), NULL);
  gst_check_setup_events (mysrcpad, x264enc, caps, GST_FORMAT_TIME);
  gst_caps_unref (caps);
  gst_object_unref (sink_tmpl);

  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 const GstVideoFormat formats_420_8[] =
    { GST_VIDEO_FORMAT_I420, GST_VIDEO_FORMAT_YV12, GST_VIDEO_FORMAT_NV12,
  GST_VIDEO_FORMAT_UNKNOWN
};
static const GstVideoFormat formats_422[] =
    { GST_VIDEO_FORMAT_Y42B, GST_VIDEO_FORMAT_UNKNOWN };
static const GstVideoFormat formats_444[] =
    { GST_VIDEO_FORMAT_Y444, GST_VIDEO_FORMAT_UNKNOWN };

static void
test_video_profile (const gchar * profile, gint profile_id,
    const GstVideoFormat input_format)
{
  GstElement *x264enc;
  GstBuffer *inbuffer, *outbuffer;
  int i, num_buffers;
  GstVideoInfo vinfo;

  fail_unless (gst_video_info_set_format (&vinfo, input_format, 384, 288));

  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 buffer for the size mentioned in the caps */
  inbuffer = gst_buffer_new_and_alloc (GST_VIDEO_INFO_SIZE (&vinfo));

  /* 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);
  }

  /* validate 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)
{
  for (int i = 0; formats_420_8[i] != GST_VIDEO_FORMAT_UNKNOWN; i++)
    test_video_profile ("constrained-baseline", 0x42, formats_420_8[i]);
}

GST_END_TEST;

GST_START_TEST (test_video_main)
{
  for (int i = 0; formats_420_8[i] != GST_VIDEO_FORMAT_UNKNOWN; i++)
    test_video_profile ("main", 0x4d, formats_420_8[i]);
}

GST_END_TEST;

GST_START_TEST (test_video_high)
{
  for (int i = 0; formats_420_8[i] != GST_VIDEO_FORMAT_UNKNOWN; i++)
    test_video_profile ("high", 0x64, formats_420_8[i]);
}

GST_END_TEST;

GST_START_TEST (test_video_high422)
{
  for (int i = 0; formats_422[i] != GST_VIDEO_FORMAT_UNKNOWN; i++)
    test_video_profile ("high-4:2:2", 0x7A, formats_422[i]);
}

GST_END_TEST;

GST_START_TEST (test_video_high444)
{
  for (int i = 0; formats_444[i] != GST_VIDEO_FORMAT_UNKNOWN; i++)
    test_video_profile ("high-4:4:4", 0xF4, formats_444[i]);
}

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);