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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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ecab77b7e4
Original commit message from CVS: * ext/vorbis/vorbisdec.c (vorbis_dec_push_forward, vorbis_handle_data_packet): Correctly set DURATION to generate a timestamp-continuous stream. One bug left at the end; see ihttp://bugzilla.gnome.org/show_bug.cgi?id=423086 * tests/check/Makefile.am: * tests/check/pipelines/vorbisenc.c (GST_START_TEST): Add a test to check this. Without the above patch this test fails.
410 lines
13 KiB
C
410 lines
13 KiB
C
/* GStreamer
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*
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* unit test for vorbisenc
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*
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* Copyright (C) 2006 Andy Wingo <wingo at pobox.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/check/gstcheck.h>
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#include <gst/check/gstbufferstraw.h>
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#ifndef GST_DISABLE_PARSE
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#define TIMESTAMP_OFFSET G_GINT64_CONSTANT(3249870963)
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static void
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check_buffer_timestamp (GstBuffer * buffer, GstClockTime timestamp)
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{
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fail_unless (GST_BUFFER_TIMESTAMP (buffer) == timestamp,
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"expected timestamp %" GST_TIME_FORMAT
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", but got timestamp %" GST_TIME_FORMAT,
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GST_TIME_ARGS (timestamp), GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buffer)));
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}
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static void
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check_buffer_duration (GstBuffer * buffer, GstClockTime duration)
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{
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fail_unless (GST_BUFFER_DURATION (buffer) == duration,
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"expected duration %" GST_TIME_FORMAT
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", but got duration %" GST_TIME_FORMAT,
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GST_TIME_ARGS (duration), GST_TIME_ARGS (GST_BUFFER_DURATION (buffer)));
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}
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static void
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check_buffer_granulepos (GstBuffer * buffer, gint64 granulepos)
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{
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GstClockTime clocktime;
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fail_unless (GST_BUFFER_OFFSET_END (buffer) == granulepos,
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"expected granulepos %" G_GUINT64_FORMAT
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", but got granulepos %" G_GUINT64_FORMAT,
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granulepos, GST_BUFFER_OFFSET_END (buffer));
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/* contrary to what we record as TIMESTAMP, we can use OFFSET to check
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* the granulepos correctly here */
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clocktime = gst_util_uint64_scale (GST_BUFFER_OFFSET_END (buffer), 44100,
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GST_SECOND);
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fail_unless (clocktime == GST_BUFFER_OFFSET (buffer),
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"expected OFFSET set to clocktime %" GST_TIME_FORMAT
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", but got %" GST_TIME_FORMAT,
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GST_TIME_ARGS (clocktime), GST_TIME_ARGS (GST_BUFFER_OFFSET (buffer)));
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}
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/* this check is here to check that the granulepos we derive from the timestamp
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is about correct. This is "about correct" because you can't precisely go from
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timestamp to granulepos due to the downward-rounding characteristics of
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gst_util_uint64_scale, so you check if granulepos is equal to the number, or
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the number plus one. */
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static void
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check_buffer_granulepos_from_endtime (GstBuffer * buffer, GstClockTime endtime)
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{
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gint64 granulepos, expected;
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granulepos = GST_BUFFER_OFFSET_END (buffer);
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expected = gst_util_uint64_scale (endtime, 44100, GST_SECOND);
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fail_unless (granulepos == expected || granulepos == expected + 1,
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"expected granulepos %" G_GUINT64_FORMAT
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" or %" G_GUINT64_FORMAT
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", but got granulepos %" G_GUINT64_FORMAT,
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expected, expected + 1, granulepos);
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}
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GST_START_TEST (test_granulepos_offset)
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{
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GstElement *bin;
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GstPad *pad;
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gchar *pipe_str;
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GstBuffer *buffer;
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GError *error = NULL;
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pipe_str = g_strdup_printf ("audiotestsrc timestamp-offset=%" G_GUINT64_FORMAT
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" ! audio/x-raw-int,rate=44100"
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" ! audioconvert ! vorbisenc ! fakesink", TIMESTAMP_OFFSET);
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bin = gst_parse_launch (pipe_str, &error);
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fail_unless (bin != NULL, "Error parsing pipeline: %s",
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error ? error->message : "(invalid error)");
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g_free (pipe_str);
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/* get the pad */
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{
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GstElement *sink = gst_bin_get_by_name (GST_BIN (bin), "fakesink0");
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fail_unless (sink != NULL, "Could not get fakesink out of bin");
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pad = gst_element_get_pad (sink, "sink");
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fail_unless (pad != NULL, "Could not get pad out of fakesink");
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gst_object_unref (sink);
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}
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gst_buffer_straw_start_pipeline (bin, pad);
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/* header packets should have timestamp == NONE, granulepos 0 */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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GST_DEBUG ("Got buffer in test");
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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GST_DEBUG ("Unreffed buffer in test");
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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{
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GstClockTime next_timestamp;
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gint64 last_granulepos = 0;
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/* first buffer should have timestamp of TIMESTAMP_OFFSET, granulepos to
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* match the timestamp of the end of the last sample in the output buffer.
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* Note that one cannot go timestamp->granulepos->timestamp and get the same
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* value due to loss of precision with granulepos. vorbisenc does take care
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* to timestamp correctly based on the offset of the input data however, so
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* it does do sub-granulepos timestamping. */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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last_granulepos = GST_BUFFER_OFFSET_END (buffer);
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check_buffer_timestamp (buffer, TIMESTAMP_OFFSET);
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/* don't really have a good way of checking duration... */
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check_buffer_granulepos_from_endtime (buffer,
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TIMESTAMP_OFFSET + GST_BUFFER_DURATION (buffer));
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next_timestamp = TIMESTAMP_OFFSET + GST_BUFFER_DURATION (buffer);
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gst_buffer_unref (buffer);
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/* check continuity with the next buffer */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, next_timestamp);
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check_buffer_duration (buffer,
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gst_util_uint64_scale (GST_BUFFER_OFFSET_END (buffer), GST_SECOND,
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44100)
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- gst_util_uint64_scale (last_granulepos, GST_SECOND, 44100));
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check_buffer_granulepos_from_endtime (buffer,
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next_timestamp + GST_BUFFER_DURATION (buffer));
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gst_buffer_unref (buffer);
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}
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gst_buffer_straw_stop_pipeline (bin, pad);
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gst_object_unref (pad);
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gst_object_unref (bin);
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}
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GST_END_TEST;
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GST_START_TEST (test_timestamps)
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{
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GstElement *bin;
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GstPad *pad;
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gchar *pipe_str;
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GstBuffer *buffer;
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GError *error = NULL;
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pipe_str = g_strdup_printf ("audiotestsrc"
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" ! audio/x-raw-int,rate=44100 ! audioconvert ! vorbisenc ! fakesink");
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bin = gst_parse_launch (pipe_str, &error);
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fail_unless (bin != NULL, "Error parsing pipeline: %s",
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error ? error->message : "(invalid error)");
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g_free (pipe_str);
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/* get the pad */
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{
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GstElement *sink = gst_bin_get_by_name (GST_BIN (bin), "fakesink0");
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fail_unless (sink != NULL, "Could not get fakesink out of bin");
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pad = gst_element_get_pad (sink, "sink");
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fail_unless (pad != NULL, "Could not get pad out of fakesink");
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gst_object_unref (sink);
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}
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gst_buffer_straw_start_pipeline (bin, pad);
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/* check header packets */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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{
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GstClockTime next_timestamp;
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gint64 last_granulepos;
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/* first buffer has timestamp 0 */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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last_granulepos = GST_BUFFER_OFFSET_END (buffer);
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check_buffer_timestamp (buffer, 0);
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/* don't really have a good way of checking duration... */
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check_buffer_granulepos_from_endtime (buffer, GST_BUFFER_DURATION (buffer));
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next_timestamp = GST_BUFFER_DURATION (buffer);
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gst_buffer_unref (buffer);
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/* check continuity with the next buffer */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, next_timestamp);
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check_buffer_duration (buffer,
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gst_util_uint64_scale (GST_BUFFER_OFFSET_END (buffer), GST_SECOND,
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44100)
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- gst_util_uint64_scale (last_granulepos, GST_SECOND, 44100));
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check_buffer_granulepos_from_endtime (buffer,
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next_timestamp + GST_BUFFER_DURATION (buffer));
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gst_buffer_unref (buffer);
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}
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gst_buffer_straw_stop_pipeline (bin, pad);
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gst_object_unref (pad);
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gst_object_unref (bin);
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}
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GST_END_TEST;
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static gboolean
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drop_second_data_buffer (GstPad * droppad, GstBuffer * buffer, gpointer unused)
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{
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return !(GST_BUFFER_OFFSET (buffer) == 1024);
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}
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GST_START_TEST (test_discontinuity)
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{
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GstElement *bin;
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GstPad *pad, *droppad;
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gchar *pipe_str;
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GstBuffer *buffer;
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GError *error = NULL;
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guint drop_id;
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pipe_str = g_strdup_printf ("audiotestsrc samplesperbuffer=1024"
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" ! audio/x-raw-int,rate=44100" " ! audioconvert ! vorbisenc ! fakesink");
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bin = gst_parse_launch (pipe_str, &error);
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fail_unless (bin != NULL, "Error parsing pipeline: %s",
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error ? error->message : "(invalid error)");
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g_free (pipe_str);
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/* the plan: same as test_timestamps, but dropping a buffer and seeing if
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vorbisenc correctly notes the discontinuity */
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/* get the pad to use to drop buffers */
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{
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GstElement *sink = gst_bin_get_by_name (GST_BIN (bin), "vorbisenc0");
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fail_unless (sink != NULL, "Could not get vorbisenc out of bin");
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droppad = gst_element_get_pad (sink, "sink");
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fail_unless (droppad != NULL, "Could not get pad out of vorbisenc");
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gst_object_unref (sink);
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}
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/* get the pad */
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{
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GstElement *sink = gst_bin_get_by_name (GST_BIN (bin), "fakesink0");
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fail_unless (sink != NULL, "Could not get fakesink out of bin");
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pad = gst_element_get_pad (sink, "sink");
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fail_unless (pad != NULL, "Could not get pad out of fakesink");
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gst_object_unref (sink);
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}
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drop_id = gst_pad_add_buffer_probe (droppad,
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G_CALLBACK (drop_second_data_buffer), NULL);
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gst_buffer_straw_start_pipeline (bin, pad);
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/* check header packets */
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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check_buffer_timestamp (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_duration (buffer, GST_CLOCK_TIME_NONE);
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check_buffer_granulepos (buffer, 0);
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gst_buffer_unref (buffer);
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/* two phases: continuous granulepos values up to 1024, then a first
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discontinuous granulepos whose granulepos corresponds to a gap ending at
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2048. */
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{
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GstClockTime next_timestamp = 0;
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gint64 last_granulepos = 0;
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while (last_granulepos < 1024) {
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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last_granulepos = GST_BUFFER_OFFSET_END (buffer);
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check_buffer_timestamp (buffer, next_timestamp);
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fail_if (GST_BUFFER_IS_DISCONT (buffer), "expected continuous buffer");
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next_timestamp += GST_BUFFER_DURATION (buffer);
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gst_buffer_unref (buffer);
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}
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fail_unless (last_granulepos == 1024,
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"unexpected granulepos: %" G_GUINT64_FORMAT, last_granulepos);
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}
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{
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buffer = gst_buffer_straw_get_buffer (bin, pad);
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/* The first buffer after the discontinuity will produce zero output
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* samples (because of the overlap/add), so it won't increment the
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* granulepos, which should be 2048 after the discontinuity.
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*/
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fail_unless (GST_BUFFER_OFFSET_END (buffer) == 2048,
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"expected granulepos after gap: %" G_GUINT64_FORMAT,
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GST_BUFFER_OFFSET_END (buffer));
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fail_unless (GST_BUFFER_IS_DISCONT (buffer),
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"expected discontinuous buffer");
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gst_buffer_unref (buffer);
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}
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gst_buffer_straw_stop_pipeline (bin, pad);
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gst_pad_remove_buffer_probe (droppad, drop_id);
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gst_object_unref (droppad);
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gst_object_unref (pad);
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gst_object_unref (bin);
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}
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GST_END_TEST;
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#endif /* #ifndef GST_DISABLE_PARSE */
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Suite *
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vorbisenc_suite (void)
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{
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Suite *s = suite_create ("vorbisenc");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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#ifndef GST_DISABLE_PARSE
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tcase_add_test (tc_chain, test_granulepos_offset);
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tcase_add_test (tc_chain, test_timestamps);
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tcase_add_test (tc_chain, test_discontinuity);
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#endif
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return s;
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}
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int
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main (int argc, char **argv)
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{
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int nf;
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Suite *s = vorbisenc_suite ();
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SRunner *sr = srunner_create (s);
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gst_check_init (&argc, &argv);
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srunner_run_all (sr, CK_NORMAL);
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nf = srunner_ntests_failed (sr);
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srunner_free (sr);
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return nf;
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}
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