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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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8f684913cf
- make test_encode_simple cope with libvpx built with CONFIG_REALTIME_ONLY. Sadly, there's no way to detect this at runtime beyond trying to set lag-in-frames to >0, pushing a buffer and catching the GST_FLOW_NOT_NEGOTIATED return. - fix bitrot in test_encode_simple_when_bitrate_set_to_zero. - port test_encode_simple to GstHarness and introduce a separate test for the lag-in-frames property. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/708>
229 lines
7.2 KiB
C
229 lines
7.2 KiB
C
/* GStreamer
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*
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* Copyright (c) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gst/check/gstharness.h>
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#include <gst/check/gstcheck.h>
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#include <gst/video/video.h>
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#define gst_caps_new_i420(w, h) gst_caps_new_i420_full (w, h, 30, 1, 1, 1)
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static GstCaps *
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gst_caps_new_i420_full (gint width, gint height, gint fps_n, gint fps_d,
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gint par_n, gint par_d)
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{
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GstVideoInfo info;
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gst_video_info_init (&info);
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gst_video_info_set_format (&info, GST_VIDEO_FORMAT_I420, width, height);
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GST_VIDEO_INFO_FPS_N (&info) = fps_n;
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GST_VIDEO_INFO_FPS_D (&info) = fps_d;
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GST_VIDEO_INFO_PAR_N (&info) = par_n;
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GST_VIDEO_INFO_PAR_D (&info) = par_d;
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return gst_video_info_to_caps (&info);
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}
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static GstBuffer *
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gst_harness_create_video_buffer_from_info (GstHarness * h, gint value,
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GstVideoInfo * info, GstClockTime timestamp, GstClockTime duration)
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{
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GstBuffer *buf;
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gsize size;
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size = GST_VIDEO_INFO_SIZE (info);
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buf = gst_harness_create_buffer (h, size);
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gst_buffer_memset (buf, 0, value, size);
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g_assert (buf != NULL);
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gst_buffer_add_video_meta_full (buf,
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GST_VIDEO_FRAME_FLAG_NONE,
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GST_VIDEO_INFO_FORMAT (info),
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GST_VIDEO_INFO_WIDTH (info),
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GST_VIDEO_INFO_HEIGHT (info),
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GST_VIDEO_INFO_N_PLANES (info), info->offset, info->stride);
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GST_BUFFER_PTS (buf) = timestamp;
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GST_BUFFER_DURATION (buf) = duration;
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return buf;
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}
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static GstBuffer *
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gst_harness_create_video_buffer_full (GstHarness * h, gint value,
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guint width, guint height, GstClockTime timestamp, GstClockTime duration)
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{
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GstVideoInfo info;
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gst_video_info_init (&info);
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gst_video_info_set_format (&info, GST_VIDEO_FORMAT_I420, width, height);
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return gst_harness_create_video_buffer_from_info (h, value, &info,
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timestamp, duration);
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}
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GST_START_TEST (test_encode_simple)
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{
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gint i;
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GstHarness *h = gst_harness_new ("vp8enc");
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gst_harness_set_src_caps (h, gst_caps_new_i420_full (320, 240, 25, 1, 1, 1));
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for (i = 0; i < 20; i++) {
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GstBuffer *buffer = gst_harness_create_video_buffer_full (h, 0x0,
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320, 240, gst_util_uint64_scale (i, GST_SECOND, 25),
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gst_util_uint64_scale (1, GST_SECOND, 25));
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fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h, buffer));
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}
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for (i = 0; i < 20; i++) {
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GstBuffer *buffer = gst_harness_pull (h);
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if (i == 0)
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fail_if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT));
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fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (buffer),
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gst_util_uint64_scale (i, GST_SECOND, 25));
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fail_unless_equals_uint64 (GST_BUFFER_DURATION (buffer),
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gst_util_uint64_scale (1, GST_SECOND, 25));
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gst_buffer_unref (buffer);
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}
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_encode_lag_in_frames)
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{
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GstFlowReturn ret;
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GstBuffer *buffer;
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GstSegment seg;
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GstHarness *h = gst_harness_new ("vp8enc");
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g_object_set (h->element, "lag-in-frames", 5, NULL);
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gst_harness_set_src_caps (h, gst_caps_new_i420_full (320, 240, 25, 1, 1, 1));
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gst_segment_init (&seg, GST_FORMAT_TIME);
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seg.stop = gst_util_uint64_scale (20, GST_SECOND, 25);
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fail_unless (gst_harness_push_event (h, gst_event_new_segment (&seg)));
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buffer = gst_harness_create_video_buffer_full (h, 0x0,
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320, 240, gst_util_uint64_scale (0, GST_SECOND, 25),
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gst_util_uint64_scale (1, GST_SECOND, 25));
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ret = gst_harness_push (h, gst_buffer_ref (buffer));
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/* If libvpx was built with CONFIG_REALTIME_ONLY, then we'll receive
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* GST_FLOW_NOT_NEGOTIATED. Accept this, and skip the rest of this test
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* in that case. */
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fail_unless (ret == GST_FLOW_OK || ret == GST_FLOW_NOT_NEGOTIATED);
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if (ret == GST_FLOW_OK) {
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gint i;
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for (i = 1; i < 20; i++) {
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GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (i, GST_SECOND, 25);
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GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
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fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h,
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gst_buffer_ref (buffer)));
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}
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fail_unless_equals_int (20, gst_harness_buffers_received (h));
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for (i = 0; i < 20; i++) {
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GstBuffer *outbuf = gst_harness_pull (h);
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if (i == 0)
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fail_if (GST_BUFFER_FLAG_IS_SET (outbuf, GST_BUFFER_FLAG_DELTA_UNIT));
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fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (outbuf),
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gst_util_uint64_scale (i, GST_SECOND, 25));
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fail_unless_equals_uint64 (GST_BUFFER_DURATION (outbuf),
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gst_util_uint64_scale (1, GST_SECOND, 25));
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gst_buffer_unref (outbuf);
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}
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}
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gst_buffer_unref (buffer);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_encode_simple_when_bitrate_set_to_zero)
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{
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GstHarness *h = gst_harness_new_parse ("vp8enc target-bitrate=0");
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GstBuffer *buf;
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gst_harness_set_src_caps (h, gst_caps_new_i420 (320, 240));
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buf = gst_harness_create_video_buffer_full (h, 0x42,
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320, 240, 0, gst_util_uint64_scale (GST_SECOND, 1, 30));
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gst_harness_push (h, buf);
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gst_buffer_unref (gst_harness_pull (h));
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_autobitrate_changes_with_caps)
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{
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gint bitrate = 0;
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GstHarness *h = gst_harness_new ("vp8enc");
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gst_harness_set_src_caps (h, gst_caps_new_i420_full (1280, 720, 30, 1, 1, 1));
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/* Default settings for 720p @ 30fps ~1.2Mbps */
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g_object_get (h->element, "target-bitrate", &bitrate, NULL);
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fail_unless_equals_int (bitrate, 1199000);
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/* Change bits-per-pixel 0.036 to give us ~1Mbps */
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g_object_set (h->element, "bits-per-pixel", 0.037, NULL);
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g_object_get (h->element, "target-bitrate", &bitrate, NULL);
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fail_unless_equals_int (bitrate, 1022000);
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/* Halving the framerate should halve the auto bitrate */
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gst_harness_set_src_caps (h, gst_caps_new_i420_full (1280, 720, 15, 1, 1, 1));
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g_object_get (h->element, "target-bitrate", &bitrate, NULL);
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fail_unless_equals_int (bitrate, 511000);
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/* Halving the resolution should quarter the auto bitrate */
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gst_harness_set_src_caps (h, gst_caps_new_i420_full (640, 360, 15, 1, 1, 1));
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g_object_get (h->element, "target-bitrate", &bitrate, NULL);
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fail_unless_equals_int (bitrate, 127000);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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static Suite *
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vp8enc_suite (void)
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{
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Suite *s = suite_create ("vp8enc");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_encode_simple);
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tcase_add_test (tc_chain, test_encode_lag_in_frames);
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tcase_add_test (tc_chain, test_encode_simple_when_bitrate_set_to_zero);
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tcase_add_test (tc_chain, test_autobitrate_changes_with_caps);
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return s;
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}
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GST_CHECK_MAIN (vp8enc);
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