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The videoframe-audiolevel element acts like a synchronized audio/video "level" element. For each video frame, it posts a level-style message containing the RMS value of the corresponding audio frames. This element needs both video and audio to pass through it. Furthermore, it needs a queue after its video source. https://bugzilla.gnome.org/show_bug.cgi?id=748259
636 lines
17 KiB
C
636 lines
17 KiB
C
/* GStreamer unit test for videoframe-audiolevel
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*
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* Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.com>
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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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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/* suppress warnings for deprecated API such as GValueArray
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* with newer GLib versions (>= 2.31.0) */
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#define GLIB_DISABLE_DEPRECATION_WARNINGS
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#include <gst/check/gstcheck.h>
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#include <gst/audio/audio.h>
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static gboolean got_eos;
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static guint audio_buffer_count, video_buffer_count;
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static GstSegment current_audio_segment, current_video_segment;
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static guint num_msgs;
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static GQueue v_timestamp_q, msg_timestamp_q;
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static guint n_abuffers, n_vbuffers;
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static guint channels, fill_value;
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static gdouble expected_rms;
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static gboolean audiodelay, videodelay, per_channel, long_video;
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static gboolean early_video, late_video;
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static gboolean video_gaps, video_overlaps;
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static gboolean audio_nondiscont, audio_drift;
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static guint fill_value_per_channel[] = { 0, 1 };
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static gdouble expected_rms_per_channel[] = { 0, 0.0078125 };
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static void
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set_default_params (void)
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{
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n_abuffers = 40;
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n_vbuffers = 15;
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channels = 2;
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expected_rms = 0.0078125;
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fill_value = 1;
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audiodelay = FALSE;
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videodelay = FALSE;
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per_channel = FALSE;
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long_video = FALSE;
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video_gaps = FALSE;
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video_overlaps = FALSE;
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audio_nondiscont = FALSE;
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audio_drift = FALSE;
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early_video = FALSE;
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late_video = FALSE;
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};
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static GstFlowReturn
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output_achain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
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{
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GstClockTime timestamp;
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guint8 b;
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gboolean audio_jitter = audio_nondiscont || audio_drift || early_video;
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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if (!audio_jitter)
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fail_unless_equals_int64 (timestamp,
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(audio_buffer_count % n_abuffers) * 1 * GST_SECOND);
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timestamp =
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gst_segment_to_stream_time (¤t_audio_segment, GST_FORMAT_TIME,
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timestamp);
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if (!audio_jitter)
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fail_unless_equals_int64 (timestamp,
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(audio_buffer_count % n_abuffers) * 1 * GST_SECOND);
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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timestamp =
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gst_segment_to_running_time (¤t_audio_segment, GST_FORMAT_TIME,
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timestamp);
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if (!audio_jitter)
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fail_unless_equals_int64 (timestamp, audio_buffer_count * 1 * GST_SECOND);
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gst_buffer_extract (buffer, 0, &b, 1);
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if (per_channel) {
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fail_unless_equals_int (b, fill_value_per_channel[0]);
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} else {
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fail_unless_equals_int (b, fill_value);
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}
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audio_buffer_count++;
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gst_buffer_unref (buffer);
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return GST_FLOW_OK;
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}
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static gboolean
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output_aevent (GstPad * pad, GstObject * parent, GstEvent * event)
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{
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_STOP:
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gst_segment_init (¤t_audio_segment, GST_FORMAT_UNDEFINED);
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break;
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case GST_EVENT_SEGMENT:
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gst_event_copy_segment (event, ¤t_audio_segment);
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break;
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case GST_EVENT_EOS:
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got_eos = TRUE;
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break;
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default:
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break;
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}
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gst_event_unref (event);
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return TRUE;
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}
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static GstFlowReturn
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output_vchain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
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{
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GstClockTime timestamp;
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guint8 b;
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gboolean jitter = video_gaps || video_overlaps || late_video;
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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if (!jitter)
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fail_unless_equals_int64 (timestamp,
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(video_buffer_count % n_vbuffers) * 25 * GST_MSECOND);
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timestamp =
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gst_segment_to_stream_time (¤t_video_segment, GST_FORMAT_TIME,
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timestamp);
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if (!jitter)
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fail_unless_equals_int64 (timestamp,
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(video_buffer_count % n_vbuffers) * 25 * GST_MSECOND);
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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timestamp =
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gst_segment_to_running_time (¤t_video_segment, GST_FORMAT_TIME,
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timestamp);
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if (!jitter)
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fail_unless_equals_int64 (timestamp, video_buffer_count * 25 * GST_MSECOND);
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gst_buffer_extract (buffer, 0, &b, 1);
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if (!jitter)
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fail_unless_equals_int (b, video_buffer_count % n_vbuffers);
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video_buffer_count++;
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gst_buffer_unref (buffer);
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return GST_FLOW_OK;
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}
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static gboolean
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output_vevent (GstPad * pad, GstObject * parent, GstEvent * event)
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{
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_STOP:
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gst_segment_init (¤t_video_segment, GST_FORMAT_UNDEFINED);
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break;
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case GST_EVENT_SEGMENT:
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gst_event_copy_segment (event, ¤t_video_segment);
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break;
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case GST_EVENT_EOS:
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got_eos = TRUE;
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break;
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default:
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break;
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}
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gst_event_unref (event);
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return TRUE;
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}
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static gpointer
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push_abuffers (gpointer data)
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{
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GstSegment segment;
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GstPad *pad = data;
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gint i, j, k;
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GstClockTime timestamp = 0;
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GstAudioInfo info;
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GstCaps *caps;
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guint buf_size = 1000;
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if (audiodelay)
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g_usleep (2000);
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if (early_video)
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timestamp = 50 * GST_MSECOND;
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gst_pad_send_event (pad, gst_event_new_stream_start ("test"));
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gst_audio_info_set_format (&info, GST_AUDIO_FORMAT_S8, buf_size, channels,
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NULL);
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caps = gst_audio_info_to_caps (&info);
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gst_pad_send_event (pad, gst_event_new_caps (caps));
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gst_caps_unref (caps);
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gst_segment_init (&segment, GST_FORMAT_TIME);
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gst_pad_send_event (pad, gst_event_new_segment (&segment));
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for (i = 0; i < n_abuffers; i++) {
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GstBuffer *buf = gst_buffer_new_and_alloc (channels * buf_size);
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if (per_channel) {
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GstMapInfo map;
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guint8 *in_data;
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gst_buffer_map (buf, &map, GST_MAP_WRITE);
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in_data = map.data;
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for (j = 0; j < buf_size; j++) {
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for (k = 0; k < channels; k++) {
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in_data[j * channels + k] = fill_value_per_channel[k];
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}
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}
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gst_buffer_unmap (buf, &map);
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} else {
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gst_buffer_memset (buf, 0, fill_value, channels * buf_size);
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}
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GST_BUFFER_TIMESTAMP (buf) = timestamp;
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timestamp += 1 * GST_SECOND;
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if (audio_drift)
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timestamp += 50 * GST_MSECOND;
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else if (i == 4 && audio_nondiscont)
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timestamp += 30 * GST_MSECOND;
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GST_BUFFER_DURATION (buf) = timestamp - GST_BUFFER_TIMESTAMP (buf);
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fail_unless (gst_pad_chain (pad, buf) == GST_FLOW_OK);
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}
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gst_pad_send_event (pad, gst_event_new_eos ());
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return NULL;
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}
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static gpointer
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push_vbuffers (gpointer data)
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{
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GstSegment segment;
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GstPad *pad = data;
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gint i;
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GstClockTime timestamp = 0;
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if (videodelay)
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g_usleep (2000);
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if (late_video)
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timestamp = 50 * GST_MSECOND;
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gst_pad_send_event (pad, gst_event_new_stream_start ("test"));
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gst_segment_init (&segment, GST_FORMAT_TIME);
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gst_pad_send_event (pad, gst_event_new_segment (&segment));
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for (i = 0; i < n_vbuffers; i++) {
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GstBuffer *buf = gst_buffer_new_and_alloc (1000);
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GstClockTime *rtime = g_new (GstClockTime, 1);
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gst_buffer_memset (buf, 0, i, 1);
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GST_BUFFER_TIMESTAMP (buf) = timestamp;
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timestamp += 25 * GST_MSECOND;
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GST_BUFFER_DURATION (buf) = timestamp - GST_BUFFER_TIMESTAMP (buf);
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*rtime = gst_segment_to_running_time (&segment, GST_FORMAT_TIME, timestamp);
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g_queue_push_tail (&v_timestamp_q, rtime);
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if (i == 4) {
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if (video_gaps)
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timestamp += 10 * GST_MSECOND;
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else if (video_overlaps)
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timestamp -= 10 * GST_MSECOND;
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}
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fail_unless (gst_pad_chain (pad, buf) == GST_FLOW_OK);
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}
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gst_pad_send_event (pad, gst_event_new_eos ());
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return NULL;
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}
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static GstBusSyncReply
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on_message (GstBus * bus, GstMessage * message, gpointer user_data)
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{
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const GstStructure *s = gst_message_get_structure (message);
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const gchar *name = gst_structure_get_name (s);
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GValueArray *rms_arr;
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const GValue *array_val;
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const GValue *value;
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gdouble rms;
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gint channels2;
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guint i;
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GstClockTime *rtime = g_new (GstClockTime, 1);
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if (message->type != GST_MESSAGE_ELEMENT
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|| strcmp (name, "videoframe-audiolevel") != 0)
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goto done;
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num_msgs++;
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if (!gst_structure_get_clock_time (s, "running-time", rtime))
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g_warning ("Could not parse running time");
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else
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g_queue_push_tail (&msg_timestamp_q, rtime);
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/* the values are packed into GValueArrays with the value per channel */
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array_val = gst_structure_get_value (s, "rms");
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rms_arr = (GValueArray *) g_value_get_boxed (array_val);
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channels2 = rms_arr->n_values;
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fail_unless_equals_int (channels2, channels);
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for (i = 0; i < channels; ++i) {
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value = g_value_array_get_nth (rms_arr, i);
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rms = g_value_get_double (value);
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if (per_channel) {
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fail_unless_equals_float (rms, expected_rms_per_channel[i]);
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} else if (early_video && *rtime <= 50 * GST_MSECOND) {
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fail_unless_equals_float (rms, 0);
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} else {
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fail_unless_equals_float (rms, expected_rms);
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}
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}
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done:
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return GST_BUS_PASS;
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}
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static void
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test_videoframe_audiolevel_generic (void)
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{
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GstElement *alevel;
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GstPad *asink, *vsink, *asrc, *vsrc, *aoutput_sink, *voutput_sink;
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GThread *athread, *vthread;
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GstBus *bus;
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guint i;
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got_eos = FALSE;
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audio_buffer_count = 0;
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video_buffer_count = 0;
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num_msgs = 0;
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g_queue_init (&v_timestamp_q);
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g_queue_init (&msg_timestamp_q);
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alevel = gst_element_factory_make ("videoframe-audiolevel", NULL);
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fail_unless (alevel != NULL);
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bus = gst_bus_new ();
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gst_element_set_bus (alevel, bus);
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gst_bus_set_sync_handler (bus, on_message, NULL, NULL);
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asink = gst_element_get_static_pad (alevel, "asink");
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fail_unless (asink != NULL);
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vsink = gst_element_get_static_pad (alevel, "vsink");
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fail_unless (vsink != NULL);
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asrc = gst_element_get_static_pad (alevel, "asrc");
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aoutput_sink = gst_pad_new ("sink", GST_PAD_SINK);
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fail_unless (aoutput_sink != NULL);
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fail_unless (gst_pad_link (asrc, aoutput_sink) == GST_PAD_LINK_OK);
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vsrc = gst_element_get_static_pad (alevel, "vsrc");
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voutput_sink = gst_pad_new ("sink", GST_PAD_SINK);
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fail_unless (voutput_sink != NULL);
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fail_unless (gst_pad_link (vsrc, voutput_sink) == GST_PAD_LINK_OK);
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gst_pad_set_chain_function (aoutput_sink, output_achain);
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gst_pad_set_event_function (aoutput_sink, output_aevent);
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gst_pad_set_chain_function (voutput_sink, output_vchain);
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gst_pad_set_event_function (voutput_sink, output_vevent);
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gst_pad_set_active (aoutput_sink, TRUE);
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gst_pad_set_active (voutput_sink, TRUE);
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fail_unless (gst_element_set_state (alevel,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS);
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athread = g_thread_new ("athread", (GThreadFunc) push_abuffers, asink);
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vthread = g_thread_new ("vthread", (GThreadFunc) push_vbuffers, vsink);
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g_thread_join (vthread);
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g_thread_join (athread);
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fail_unless (got_eos);
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fail_unless_equals_int (audio_buffer_count, n_abuffers);
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fail_unless_equals_int (video_buffer_count, n_vbuffers);
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if (!long_video)
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fail_unless_equals_int (num_msgs, n_vbuffers);
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fail_unless_equals_int (g_queue_get_length (&v_timestamp_q), n_vbuffers);
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/* num_msgs is equal to n_vbuffers except in the case of long_video */
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fail_unless_equals_int (g_queue_get_length (&msg_timestamp_q), num_msgs);
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for (i = 0; i < g_queue_get_length (&msg_timestamp_q); i++) {
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GstClockTime *vt = g_queue_pop_head (&v_timestamp_q);
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GstClockTime *mt = g_queue_pop_head (&msg_timestamp_q);
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fail_unless (vt != NULL);
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fail_unless (mt != NULL);
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if (!video_gaps && !video_overlaps && !early_video)
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fail_unless_equals_uint64 (*vt, *mt);
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g_free (vt);
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g_free (mt);
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}
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/* teardown */
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gst_element_set_state (alevel, GST_STATE_NULL);
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gst_bus_set_flushing (bus, TRUE);
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gst_object_unref (bus);
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g_queue_foreach (&v_timestamp_q, (GFunc) g_free, NULL);
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g_queue_foreach (&msg_timestamp_q, (GFunc) g_free, NULL);
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g_queue_clear (&v_timestamp_q);
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g_queue_clear (&msg_timestamp_q);
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gst_pad_unlink (asrc, aoutput_sink);
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gst_object_unref (asrc);
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gst_pad_unlink (vsrc, voutput_sink);
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gst_object_unref (vsrc);
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gst_object_unref (asink);
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gst_object_unref (vsink);
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gst_pad_set_active (aoutput_sink, FALSE);
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gst_object_unref (aoutput_sink);
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gst_pad_set_active (voutput_sink, FALSE);
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gst_object_unref (voutput_sink);
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gst_object_unref (alevel);
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}
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GST_START_TEST (test_videoframe_audiolevel_16chan_1)
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{
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set_default_params ();
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channels = 16;
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test_videoframe_audiolevel_generic ();
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}
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GST_END_TEST;
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GST_START_TEST (test_videoframe_audiolevel_8chan_1)
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{
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set_default_params ();
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channels = 8;
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test_videoframe_audiolevel_generic ();
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}
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GST_END_TEST;
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GST_START_TEST (test_videoframe_audiolevel_2chan_1)
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{
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set_default_params ();
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test_videoframe_audiolevel_generic ();
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}
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GST_END_TEST;
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GST_START_TEST (test_videoframe_audiolevel_1chan_1)
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{
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set_default_params ();
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channels = 1;
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test_videoframe_audiolevel_generic ();
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}
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GST_END_TEST;
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GST_START_TEST (test_videoframe_audiolevel_16chan_0)
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{
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set_default_params ();
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channels = 16;
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expected_rms = 0;
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fill_value = 0;
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test_videoframe_audiolevel_generic ();
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}
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GST_END_TEST;
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GST_START_TEST (test_videoframe_audiolevel_8chan_0)
|
|
{
|
|
set_default_params ();
|
|
channels = 8;
|
|
expected_rms = 0;
|
|
fill_value = 0;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_2chan_0)
|
|
{
|
|
set_default_params ();
|
|
channels = 2;
|
|
expected_rms = 0;
|
|
fill_value = 0;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_1chan_0)
|
|
{
|
|
set_default_params ();
|
|
channels = 1;
|
|
expected_rms = 0;
|
|
fill_value = 0;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_adelay)
|
|
{
|
|
set_default_params ();
|
|
audiodelay = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_vdelay)
|
|
{
|
|
set_default_params ();
|
|
videodelay = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_per_channel)
|
|
{
|
|
set_default_params ();
|
|
per_channel = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_long_video)
|
|
{
|
|
set_default_params ();
|
|
n_abuffers = 6;
|
|
n_vbuffers = 255;
|
|
long_video = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_video_gaps)
|
|
{
|
|
set_default_params ();
|
|
video_gaps = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_video_overlaps)
|
|
{
|
|
set_default_params ();
|
|
video_overlaps = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_audio_nondiscont)
|
|
{
|
|
set_default_params ();
|
|
audio_nondiscont = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_audio_drift)
|
|
{
|
|
set_default_params ();
|
|
audio_drift = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
GST_START_TEST (test_videoframe_audiolevel_early_video)
|
|
{
|
|
set_default_params ();
|
|
early_video = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_videoframe_audiolevel_late_video)
|
|
{
|
|
set_default_params ();
|
|
late_video = TRUE;
|
|
test_videoframe_audiolevel_generic ();
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
|
|
static Suite *
|
|
videoframe_audiolevel_suite (void)
|
|
{
|
|
Suite *s = suite_create ("videoframe-audiolevel");
|
|
TCase *tc_chain;
|
|
|
|
tc_chain = tcase_create ("videoframe-audiolevel");
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_16chan_1);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_8chan_1);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_2chan_1);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_1chan_1);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_16chan_0);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_8chan_0);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_2chan_0);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_1chan_0);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_adelay);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_vdelay);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_per_channel);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_long_video);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_video_gaps);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_video_overlaps);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_audio_nondiscont);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_audio_drift);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_early_video);
|
|
tcase_add_test (tc_chain, test_videoframe_audiolevel_late_video);
|
|
suite_add_tcase (s, tc_chain);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (videoframe_audiolevel);
|