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504 lines
16 KiB
C
504 lines
16 KiB
C
/* GStreamer
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*
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* unit test for opus
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*
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* Copyright (C) <2011> Vincent Penquerc'h <vincent.penquerch@collbaora.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 <unistd.h>
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#include <gst/check/gstcheck.h>
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#include <gst/check/gstharness.h>
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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#define AFORMAT "S16BE"
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#else
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#define AFORMAT "S16LE"
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#endif
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#define AUDIO_CAPS_STRING "audio/x-raw, " \
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"format = (string) " AFORMAT ", "\
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"layout = (string) interleaved, " \
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"rate = (int) 48000, " \
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"channels = (int) 1 "
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/* A lot of these taken from the vorbisdec test */
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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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static GstPad *mydecsrcpad, *mydecsinkpad;
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static GstPad *myencsrcpad, *myencsinkpad;
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS_ANY);
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static GstElement *
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setup_opusdec (void)
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{
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GstElement *opusdec;
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GST_DEBUG ("setup_opusdec");
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opusdec = gst_check_setup_element ("opusdec");
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mydecsrcpad = gst_check_setup_src_pad (opusdec, &srctemplate);
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mydecsinkpad = gst_check_setup_sink_pad (opusdec, &sinktemplate);
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gst_pad_set_active (mydecsrcpad, TRUE);
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gst_pad_set_active (mydecsinkpad, TRUE);
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return opusdec;
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}
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static void
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cleanup_opusdec (GstElement * opusdec)
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{
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GST_DEBUG ("cleanup_opusdec");
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gst_element_set_state (opusdec, GST_STATE_NULL);
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gst_pad_set_active (mydecsrcpad, FALSE);
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gst_pad_set_active (mydecsinkpad, FALSE);
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gst_check_teardown_src_pad (opusdec);
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gst_check_teardown_sink_pad (opusdec);
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gst_check_teardown_element (opusdec);
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}
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static GstElement *
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setup_opusenc (void)
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{
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GstElement *opusenc;
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GST_DEBUG ("setup_opusenc");
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opusenc = gst_check_setup_element ("opusenc");
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myencsrcpad = gst_check_setup_src_pad (opusenc, &srctemplate);
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myencsinkpad = gst_check_setup_sink_pad (opusenc, &sinktemplate);
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gst_pad_set_active (myencsrcpad, TRUE);
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gst_pad_set_active (myencsinkpad, TRUE);
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return opusenc;
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}
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static void
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cleanup_opusenc (GstElement * opusenc)
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{
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GST_DEBUG ("cleanup_opusenc");
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gst_element_set_state (opusenc, GST_STATE_NULL);
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gst_pad_set_active (myencsrcpad, FALSE);
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gst_pad_set_active (myencsinkpad, FALSE);
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gst_check_teardown_src_pad (opusenc);
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gst_check_teardown_sink_pad (opusenc);
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gst_check_teardown_element (opusenc);
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}
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static void
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check_buffers (guint expected)
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{
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GstBuffer *outbuffer;
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guint i, num_buffers;
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/* check buffers are the type we expect */
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num_buffers = g_list_length (buffers);
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fail_unless (num_buffers >= expected);
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for (i = 0; i < num_buffers; ++i) {
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outbuffer = GST_BUFFER (buffers->data);
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fail_if (outbuffer == NULL);
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fail_if (gst_buffer_get_size (outbuffer) == 0);
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buffers = g_list_remove (buffers, outbuffer);
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ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
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gst_buffer_unref (outbuffer);
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outbuffer = NULL;
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}
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}
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GST_START_TEST (test_opus_encode_nothing)
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{
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GstElement *opusenc;
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opusenc = setup_opusenc ();
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fail_unless (gst_element_set_state (opusenc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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fail_unless (gst_pad_push_event (myencsrcpad, gst_event_new_eos ()) == TRUE);
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fail_unless (gst_element_set_state (opusenc,
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GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS,
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"could not set to ready");
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/* cleanup */
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cleanup_opusenc (opusenc);
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}
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GST_END_TEST;
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GST_START_TEST (test_opus_decode_nothing)
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{
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GstElement *opusdec;
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opusdec = setup_opusdec ();
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fail_unless (gst_element_set_state (opusdec,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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fail_unless (gst_pad_push_event (mydecsrcpad, gst_event_new_eos ()) == TRUE);
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fail_unless (gst_element_set_state (opusdec,
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GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS,
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"could not set to ready");
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/* cleanup */
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cleanup_opusdec (opusdec);
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}
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GST_END_TEST;
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GST_START_TEST (test_opus_encode_samples)
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{
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const unsigned int nsamples = 4096;
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GstElement *opusenc;
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GstBuffer *inbuffer;
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GstCaps *caps;
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opusenc = setup_opusenc ();
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fail_unless (gst_element_set_state (opusenc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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inbuffer = gst_buffer_new_and_alloc (nsamples * 2);
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gst_buffer_memset (inbuffer, 0, 0, nsamples * 2);
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GST_BUFFER_TIMESTAMP (inbuffer) = GST_BUFFER_OFFSET (inbuffer) = 0;
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GST_BUFFER_DURATION (inbuffer) = GST_CLOCK_TIME_NONE;
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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caps = gst_caps_from_string (AUDIO_CAPS_STRING);
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fail_unless (caps != NULL);
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gst_check_setup_events (myencsrcpad, opusenc, caps, GST_FORMAT_TIME);
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gst_caps_unref (caps);
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gst_buffer_ref (inbuffer);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (myencsrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and nothing ends up on the global buffer list */
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fail_unless (gst_pad_push_event (myencsrcpad, gst_event_new_eos ()) == TRUE);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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gst_buffer_unref (inbuffer);
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fail_unless (gst_element_set_state (opusenc,
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GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS,
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"could not set to ready");
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/* default frame size is 20 ms, at 48000 Hz that's 960 samples */
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check_buffers ((nsamples + 959) / 960);
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/* cleanup */
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cleanup_opusenc (opusenc);
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g_list_free (buffers);
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}
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GST_END_TEST;
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GST_START_TEST (test_opus_encode_properties)
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{
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const unsigned int nsamples = 4096;
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enum
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{ steps = 20 };
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GstElement *opusenc;
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GstBuffer *inbuffer;
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GstCaps *caps;
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unsigned int step;
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static const struct
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{
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const char *param;
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int value;
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} param_changes[steps] = {
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{
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"frame-size", 40}, {
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"inband-fec", 1}, {
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"complexity", 5}, {
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"bandwidth", 1104}, {
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"frame-size", 2}, {
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"max-payload-size", 80}, {
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"frame-size", 60}, {
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"max-payload-size", 900}, {
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"complexity", 1}, {
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"bitrate", 30000}, {
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"frame-size", 10}, {
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"bitrate", 300000}, {
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"inband-fec", 0}, {
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"frame-size", 5}, {
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"bandwidth", 1101}, {
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"frame-size", 10}, {
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"bitrate", 500000}, {
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"frame-size", 5}, {
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"bitrate", 80000}, {
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"complexity", 8},};
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opusenc = setup_opusenc ();
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fail_unless (gst_element_set_state (opusenc,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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caps = gst_caps_from_string (AUDIO_CAPS_STRING);
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fail_unless (caps != NULL);
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gst_check_setup_events (myencsrcpad, opusenc, caps, GST_FORMAT_TIME);
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for (step = 0; step < steps; ++step) {
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GstSegment segment;
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gst_segment_init (&segment, GST_FORMAT_TIME);
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gst_pad_push_event (myencsrcpad, gst_event_new_segment (&segment));
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inbuffer = gst_buffer_new_and_alloc (nsamples * 2);
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gst_buffer_memset (inbuffer, 0, 0, nsamples * 2);
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GST_BUFFER_TIMESTAMP (inbuffer) = GST_BUFFER_OFFSET (inbuffer) = 0;
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GST_BUFFER_DURATION (inbuffer) = GST_CLOCK_TIME_NONE;
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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gst_buffer_ref (inbuffer);
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/* pushing gives away my reference ... */
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fail_unless (gst_pad_push (myencsrcpad, inbuffer) == GST_FLOW_OK);
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/* ... and nothing ends up on the global buffer list */
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fail_unless (gst_pad_push_event (myencsrcpad,
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gst_event_new_eos ()) == TRUE);
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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gst_buffer_unref (inbuffer);
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/* change random parameters */
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g_object_set (opusenc, param_changes[step].param, param_changes[step].value,
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NULL);
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check_buffers (1);
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fail_unless (gst_pad_push_event (myencsrcpad,
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gst_event_new_flush_start ()) == TRUE);
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fail_unless (gst_pad_push_event (myencsrcpad,
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gst_event_new_flush_stop (TRUE)) == TRUE);
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}
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gst_caps_unref (caps);
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fail_unless (gst_element_set_state (opusenc,
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GST_STATE_READY) == GST_STATE_CHANGE_SUCCESS,
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"could not set to ready");
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/* cleanup */
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cleanup_opusenc (opusenc);
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g_list_free (buffers);
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}
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GST_END_TEST;
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/* removes fields that do not interest our tests to
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* allow using gst_caps_is_equal for comparison */
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static GstCaps *
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remove_extra_caps_fields (GstCaps * caps)
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{
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gint i;
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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GstStructure *s = gst_caps_get_structure (caps, i);
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gst_structure_remove_field (s, "channel-mapping-family");
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gst_structure_remove_field (s, "coupled-count");
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gst_structure_remove_field (s, "stream-count");
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}
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return gst_caps_simplify (caps);
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}
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static void
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run_getcaps_check (GstCaps * filter, GstCaps * downstream_caps,
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GstCaps * expected_result)
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{
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GstElement *opusdec;
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GstElement *capsfilter;
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GstPad *sinkpad;
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GstCaps *result;
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opusdec = gst_element_factory_make ("opusdec", NULL);
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capsfilter = gst_element_factory_make ("capsfilter", NULL);
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sinkpad = gst_element_get_static_pad (opusdec, "sink");
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fail_unless (gst_element_link (opusdec, capsfilter));
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if (downstream_caps)
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g_object_set (capsfilter, "caps", downstream_caps, NULL);
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result = gst_pad_query_caps (sinkpad, filter);
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result = remove_extra_caps_fields (result);
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fail_unless (gst_caps_is_equal (expected_result, result),
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"Unexpected output caps: %s", gst_caps_to_string (result));
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if (filter)
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gst_caps_unref (filter);
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gst_caps_unref (result);
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gst_caps_unref (expected_result);
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if (downstream_caps)
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gst_caps_unref (downstream_caps);
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gst_object_unref (sinkpad);
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gst_object_unref (opusdec);
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gst_object_unref (capsfilter);
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}
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static void
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run_getcaps_check_from_strings (const gchar * filter,
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const gchar * downstream_caps, const gchar * expected_result)
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{
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run_getcaps_check (filter ? gst_caps_from_string (filter) : NULL,
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downstream_caps ? gst_caps_from_string (downstream_caps) : NULL,
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gst_caps_from_string (expected_result));
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}
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GST_START_TEST (test_opusdec_getcaps)
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{
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/* default result */
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run_getcaps_check_from_strings (NULL, NULL,
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
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/* A single supported rate downstream - should accept any upstream anyway */
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run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int)8000",
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
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/* Two supported rates (fields as a array, not as a single int) */
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run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int){24000, 8000}",
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
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/* One supported and one unsupported rate */
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run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int){24000, 1000}",
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,8]");
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/* Unsupported rate */
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run_getcaps_check_from_strings (NULL, "audio/x-raw, rate=(int)1000", "EMPTY");
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/* same tests for channels */
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run_getcaps_check_from_strings (NULL, "audio/x-raw, channels=(int)2",
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,2]");
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run_getcaps_check_from_strings (NULL, "audio/x-raw, channels=(int)[1, 2]",
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)[1,2]");
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run_getcaps_check_from_strings (NULL, "audio/x-raw, channels=(int)5000",
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"EMPTY");
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/* Now add filters */
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/* Formats not acceptable */
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run_getcaps_check_from_strings ("audio/x-opus, rate=(int)1000", NULL,
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"EMPTY");
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run_getcaps_check_from_strings ("audio/x-opus, channels=(int)200", NULL,
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"EMPTY");
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/* Should restrict the result of the caps query to the selected rate/channels */
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run_getcaps_check_from_strings ("audio/x-opus, rate=(int)8000", NULL,
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"audio/x-opus, rate=(int)8000, channels=(int)[1,8]");
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run_getcaps_check_from_strings ("audio/x-opus, channels=(int)2", NULL,
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"audio/x-opus, rate=(int){48000, 24000, 16000, 12000, 8000}, channels=(int)2");
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}
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GST_END_TEST;
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GST_START_TEST (test_opus_decode_plc_timestamps_with_fec)
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{
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GstBuffer *buf;
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GstHarness *h =
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gst_harness_new_parse ("opusdec use-inband-fec=TRUE plc=TRUE");
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GstClockTime dur0 = GST_MSECOND * 35 / 10; /* because of lookahead */
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GstClockTime dur = GST_MSECOND * 10;
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gst_harness_add_src_parse (h,
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"audiotestsrc samplesperbuffer=480 is-live=TRUE ! "
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"opusenc frame-size=10 inband-fec=TRUE", TRUE);
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/* Push first buffer from encoder to decoder. It will not be decoded yet
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* because of the delay introduced by FEC */
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gst_harness_src_crank_and_push_many (h, 1, 1);
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fail_unless_equals_int (0, gst_harness_buffers_received (h));
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/* Drop second buffer from encoder and send a GAP event to decoder
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* instead with 2x duration */
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gst_harness_src_crank_and_push_many (h, 1, 0);
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fail_unless (buf = gst_harness_pull (h->src_harness));
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fail_unless (gst_harness_push_event (h,
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gst_event_new_gap (GST_BUFFER_PTS (buf),
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GST_BUFFER_DURATION (buf) * 2)));
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gst_buffer_unref (buf);
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/* Extract first buffer from decoder and verify timstamps */
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fail_unless (buf = gst_harness_pull (h));
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fail_unless_equals_int64 (0, GST_BUFFER_PTS (buf));
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fail_unless_equals_int64 (dur0, GST_BUFFER_DURATION (buf));
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fail_unless (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT));
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gst_buffer_unref (buf);
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/* Third buffer is pushed from encoder to decoder with DISCONT set */
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gst_harness_src_crank_and_push_many (h, 1, 0);
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fail_unless (buf = gst_harness_pull (h->src_harness));
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GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DISCONT);
|
|
gst_harness_push (h, buf);
|
|
|
|
/* Extract second (concealed) buffer from decoder and verify timestamp
|
|
and the 2x duration */
|
|
fail_unless (buf = gst_harness_pull (h));
|
|
fail_unless_equals_int64 (dur0, GST_BUFFER_PTS (buf));
|
|
fail_unless_equals_int64 (dur * 2, GST_BUFFER_DURATION (buf));
|
|
fail_if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT));
|
|
gst_buffer_unref (buf);
|
|
|
|
/* Push fourth buffer from encoder to decoder as normal */
|
|
gst_harness_src_crank_and_push_many (h, 1, 1);
|
|
|
|
/* Extract third buffer from decoder and verify timestamps */
|
|
fail_unless (buf = gst_harness_pull (h));
|
|
fail_unless_equals_int64 (dur0 + 1 * dur, GST_BUFFER_PTS (buf));
|
|
fail_unless_equals_int64 (dur, GST_BUFFER_DURATION (buf));
|
|
fail_if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT));
|
|
gst_buffer_unref (buf);
|
|
|
|
gst_harness_teardown (h);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static Suite *
|
|
opus_suite (void)
|
|
{
|
|
Suite *s = suite_create ("opus");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
|
|
tcase_add_test (tc_chain, test_opus_encode_nothing);
|
|
tcase_add_test (tc_chain, test_opus_decode_nothing);
|
|
tcase_add_test (tc_chain, test_opus_encode_samples);
|
|
tcase_add_test (tc_chain, test_opus_encode_properties);
|
|
tcase_add_test (tc_chain, test_opusdec_getcaps);
|
|
tcase_add_test (tc_chain, test_opus_decode_plc_timestamps_with_fec);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (opus);
|