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gstreamer/subprojects/gst-plugins-good/tests/check/elements/qtdemux.c
Tim-Philipp Müller 67a1e19bed qtdemux: add unit test for edit list regression 
File is the mp4 file from #2549 with the mdat atom
zeroed out and compressed. We compress twice because
apparently compressing 5MB of zeroes effectively in
one run is too difficult for gzip.

https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2549

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4605>
2023-05-11 18:46:57 +01:00

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/* GStreamer
*
* unit test for qtdemux
*
* Copyright (C) <2016> Edward Hervey <edward@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "qtdemux.h"
#include <glib/gprintf.h>
#include <gio/gio.h>
#include <gst/check/check.h>
#include <gst/app/app.h>
#define TEST_FILE_PREFIX GST_TEST_FILES_PATH G_DIR_SEPARATOR_S
static gboolean
load_file (const gchar * fn, guint8 ** p_data, guint expected_len)
{
gsize read_len = 0;
if (!g_file_get_contents (fn, (gchar **) p_data, &read_len, NULL))
return FALSE;
g_assert_cmpuint (read_len, ==, expected_len);
return TRUE;
}
typedef struct
{
GstPad *srcpad;
guint expected_size;
GstClockTime expected_time;
} CommonTestData;
static GstPadProbeReturn
qtdemux_probe (GstPad * pad, GstPadProbeInfo * info, CommonTestData * data)
{
if (GST_IS_EVENT (GST_PAD_PROBE_INFO_DATA (info))) {
GstEvent *ev = GST_PAD_PROBE_INFO_EVENT (info);
switch (GST_EVENT_TYPE (ev)) {
case GST_EVENT_SEGMENT:
{
const GstSegment *segment;
gst_event_parse_segment (ev, &segment);
fail_unless (GST_CLOCK_TIME_IS_VALID (segment->format));
fail_unless (GST_CLOCK_TIME_IS_VALID (segment->start));
fail_unless (GST_CLOCK_TIME_IS_VALID (segment->base));
fail_unless (GST_CLOCK_TIME_IS_VALID (segment->time));
fail_unless (GST_CLOCK_TIME_IS_VALID (segment->position));
break;
}
break;
default:
break;
}
return GST_PAD_PROBE_OK;
} else if (GST_IS_BUFFER (GST_PAD_PROBE_INFO_DATA (info))) {
GstBuffer *buf = GST_PAD_PROBE_INFO_BUFFER (info);
fail_unless_equals_int (gst_buffer_get_size (buf), data->expected_size);
fail_unless_equals_uint64 (GST_BUFFER_PTS (buf), data->expected_time);
}
return GST_PAD_PROBE_DROP;
}
static void
qtdemux_pad_added_cb (GstElement * element, GstPad * pad, CommonTestData * data)
{
data->srcpad = pad;
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_DATA_DOWNSTREAM,
(GstPadProbeCallback) qtdemux_probe, data, NULL);
}
GST_START_TEST (test_qtdemux_fuzzed0)
{
GstHarness *h;
GstBuffer *buf;
guchar *fuzzed_qtdemux;
gsize fuzzed_qtdemux_len;
/* The goal of this test is to check that qtdemux can properly handle
* a stream that does not contain any stsd entries, by correctly identifying
* the case and erroring out appropriately.
*/
h = gst_harness_new_parse ("qtdemux");
gst_harness_set_src_caps_str (h, "video/quicktime");
fuzzed_qtdemux =
g_base64_decode
("AAAAIGZ0eXBtcDQyAAAAAG1wNDJtcDQxaXNvbWlzbzIAAAAIZnJlZQAAAMltZGF0AAAADGdCwAyV"
"oQkgHhEI1AAAAARozjyAAAAAIWW4AA5///wRRQAfHAxwABAJkxWTk6xWuuuupaupa6668AAAABJB"
"4CBX8Zd3d3d3d3d3eJ7E8ZAAAABWQeBAO/wpFAYoDFAYoDFAYkeKAzx4+gAA+kcPHBQGePPHF6jj"
"HP0Qdj/og7H/SHY/6jsf9R2P+o7H/Udj/qOx/1HY/6jsf9R2P+o7H/Udj/qOx/1HY/AAAAAGQeBg"
"O8IwAAAABkHggDvCMAAAA1dtb292AAAAbG12aGQAAAAA1lbpxdZW6cYAAAfQAAAH0AABAAABAAAA"
"AAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAACAAACpnRyYWsAAABcdGtoZAAAAAfWVunF1lbpxgAAAAEAAAAAAAAH0AAA"
"AAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAQAAAAEA"
"AAAAACRlZHRzAAAAHGVsc3QAAIAAAAAAAQAAB9AAAAAAAAEAAAAAAeFtZGlhAAAAIG1kaGQAAAAA"
"1lbpxdZW6cYAAAH0AAAB9FXEAAAAAAAtaGRscgAAAAAAAAAAdmlkZUAAAAAAAAAAAAAAAFZpZGVv"
"SGFuZGxlcgAAAAGMbWluZgAAABR2bWhkAAAAAQAAAAAAAAAAAAAAJGRpbmYAAAAcZHJlZgAAAAAA"
"AAABAAAADHVybCAAAAABAAABTHN0YmwAAADAc3RzZAAAAAAAAAAAAAAAsGF2YzEAAAAAAAAAAQAA"
"AAAAAAAZAAAAAAAAAAAAQABAAEgAAABIAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAY//8AAAAjYXZjQwFCwAz/4QAMZ0LADJWhCSAeEQjUAQAEaM48gAAAABRidHJ0AAAA"
"AAAAAAAAAAYIAAAAE2NvbHJuY2x4AAYAAQAGAAAAABBwYXNwAAAAAQAAAAEAAAAYc3R0cwAAAAAA"
"AAABAAAABQAAAAAAAAAUc3RzcwAAAAAAAAABAAAAAQAAABxzdHNjAAAAAAAAAAEAAAABAAAABQAA"
"AAEAAAAoc3RzegAAAAAAAAAAAAAAAQAAAAAAAAAWAAAAWgAAAAoAAAAKAAAAFHN0Y28AAAAAAAAA"
"AQAAADAAAAA9dWR0YQAAADVtZXRhAAAAAAAAACFoZGxyAAAAAG1obJJtZGlyAAAAAAAAAAAAAAAA"
"AAAAAAhpbHN0AAAAPXVkdGEAAAA1bWV0YQAAAAAAAAAhaGRscgAAAABtaGxybWRpcgAAAAAAAAAA"
"AAAAAAAAAAAIaWxzdA==", &fuzzed_qtdemux_len);
buf = gst_buffer_new_and_alloc (fuzzed_qtdemux_len);
gst_buffer_fill (buf, 0, fuzzed_qtdemux, fuzzed_qtdemux_len);
fail_unless_equals_int (gst_harness_push (h, buf), GST_FLOW_OK);
fail_unless (gst_harness_buffers_received (h) == 0);
g_free (fuzzed_qtdemux);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_qtdemux_fuzzed1)
{
GstHarness *h;
GstBuffer *buf;
guchar *fuzzed_qtdemux;
gsize fuzzed_qtdemux_len;
/* The goal of this test is to check that qtdemux can properly handle
* a stream that claims it contains more stsd entries than it can possibly have,
* by correctly identifying the case and erroring out appropriately.
*/
h = gst_harness_new_parse ("qtdemux");
gst_harness_set_src_caps_str (h, "video/quicktime");
fuzzed_qtdemux =
g_base64_decode
("AAAAIGZ0eXBtcDQyAAAAAG1wNDJtcDQxaXNvbWlzbzIAAAAIZnJlZQAAAMltZGF0AAAADGdCwAyV"
"oQkgHhEI1AAAAARozjyAAAAAIWW4BA5///wRRQAfHAxwABAJkxWTk6xWuuuupaupa6668AAAABJB"
"4CBX8Zd3d3d3d3d3eJ7E8ZAAAABWQeBAO+opFAYoDFAYoDFAYkeKAzx4oDFAYkcPHBQGePPHF6jj"
"HP0Qdj/og7H/SHY/6jsf9R2P+o7H/Udj/qOx/1HY/6jsf9R2P+o7H/Udj/qOx/1HY/AAAAAGQeBg"
"O8IwAAAABkHggDvCMAAAA1dtb292AAAAbG12aGQAAAAA1lbpxdZW6cYAAAfQAAAH0AABAAABAAAA"
"AAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAAAAAAAAACAAACpnRyYWsAAABcdGtoZAAAAAfWVunF1lbpxgAAAAEAAAAAAAAH0AAA"
"AAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAEAAAAAAAQAAAAEA"
"AAAAACRlZHRzAAAAHGVsc3QAAAAAAAAAAQAAB9AAAAAAAAEAAAAAAeFtZGlhAAAAIG1kaGQAAAAA"
"1lbpxdZW6cYAAAH0AAAB9FXEAAAAAAAtaGRscgAAAAAAAAAAdmlkZQAAAAAAAAAAAAAAAFZpZGVv"
"SGFuZGxlcgAAAAGMbWluZgAAABR2bWhkAAAAAQAAAAAAAAAAAAAAJGRpbmYAAAAcZHJlZgAAAAAA"
"AAABAAAADHVybCAAAAABAAABTHN0YmwAAADAc3RzZAAAAADv/wABAAAAsGF2YzEAAAAAAAAAAQAA"
"AAAAAAAAAAAAAAAAAAAAQABAAEgAAABIAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
"AAAAAAAAAAAY//8AAAAjYXZjQwFCwAz/4QAMZ0LADJWhCSAeEQjUAQAEaM48gAAAABRidHJ0AAAA"
"AAAAAAAAAAYIAAAAE2NvbHJuY2x4AAYAAQAGAAAAABBwYXNwAAAAAQAAAAEAAAAYc3R0cwAAAAAA"
"AAABAAAABQAAAGQAAAAUc3RzcwAAAAAAAAABAAAAAQAAABxzdHNjAAAAAAAAAAEAAAABAAAABQAA"
"AAEAAAAoc3RzegAAAAAAAAAAAAAABQAAAD0AAAAWAAAAWgAAAAoAAAAKAAAAFHN0Y28AAAAAAAAA"
"AQAAADAAAAA9dWR0YQAAADVtZXRhAAAAAAAAACFoZGxyAAAAAG1obHJtZGlyAAAAAAAAAAAAAAAA"
"AAAAAAhpbHN0AAAAPXVkdGEAAAA1bWV0YQAAAAAAAAAhaGRscgAAAABtaGxybWRpcgAAAAAAAAAA"
"AAAAAAAAAAAIaWxzdA==", &fuzzed_qtdemux_len);
buf = gst_buffer_new_and_alloc (fuzzed_qtdemux_len);
gst_buffer_fill (buf, 0, fuzzed_qtdemux, fuzzed_qtdemux_len);
fail_unless_equals_int (gst_harness_push (h, buf), GST_FLOW_OK);
fail_unless (gst_harness_buffers_received (h) == 0);
g_free (fuzzed_qtdemux);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_qtdemux_input_gap)
{
GstElement *qtdemux;
GstPad *sinkpad;
CommonTestData data = { 0, };
GstBuffer *inbuf;
GstSegment segment;
GstEvent *event;
guint i, offset;
GstClockTime pts;
/* The goal of this test is to check that qtdemux can properly handle
* fragmented input from dashdemux, with gaps in it.
*
* Input segment :
* - TIME
* Input buffers :
* - The offset is set on buffers, it corresponds to the offset
* within the current fragment.
* - Buffer of the beginning of a fragment has the PTS set, others
* don't.
* - By extension, the beginning of a fragment also has an offset
* of 0.
*/
qtdemux = gst_element_factory_make ("qtdemux", NULL);
gst_element_set_state (qtdemux, GST_STATE_PLAYING);
sinkpad = gst_element_get_static_pad (qtdemux, "sink");
/* We'll want to know when the source pad is added */
g_signal_connect (qtdemux, "pad-added", (GCallback) qtdemux_pad_added_cb,
&data);
/* Send the initial STREAM_START and segment (TIME) event */
event = gst_event_new_stream_start ("TEST");
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Feed the init buffer, should create the source pad */
inbuf = gst_buffer_new_and_alloc (init_mp4_len);
gst_buffer_fill (inbuf, 0, init_mp4, init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_DEBUG ("Pushing header buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
/* Now send the trun of the first fragment */
inbuf = gst_buffer_new_and_alloc (seg_1_moof_size);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_moof_size);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
/* We are simulating that this fragment can happen at any point */
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing trun buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.srcpad == NULL);
/* We are now ready to send some buffers with gaps */
offset = seg_1_sample_0_offset;
pts = 0;
GST_DEBUG ("Pushing gap'ed buffers");
for (i = 0; i < 129; i++) {
/* Let's send one every 3 */
if ((i % 3) == 0) {
GST_DEBUG ("Pushing buffer #%d offset:%" G_GUINT32_FORMAT, i, offset);
inbuf = gst_buffer_new_and_alloc (seg_1_sample_sizes[i]);
gst_buffer_fill (inbuf, 0, seg_1_m4f + offset, seg_1_sample_sizes[i]);
GST_BUFFER_OFFSET (inbuf) = offset;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
data.expected_time =
gst_util_uint64_scale (pts, GST_SECOND, seg_1_timescale);
data.expected_size = seg_1_sample_sizes[i];
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
}
/* Finally move offset forward */
offset += seg_1_sample_sizes[i];
pts += seg_1_sample_duration;
}
gst_object_unref (sinkpad);
gst_element_set_state (qtdemux, GST_STATE_NULL);
gst_object_unref (qtdemux);
}
GST_END_TEST;
typedef struct
{
GstPad *sinkpad;
GstPad *pending_pad;
GstEventType *expected_events;
guint step;
guint total_step;
guint expected_num_srcpad;
guint num_srcpad;
} ReconfigTestData;
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS_ANY);
static gboolean
_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gst_event_unref (event);
return TRUE;
}
static GstFlowReturn
_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
{
gst_buffer_unref (buffer);
return GST_FLOW_OK;
}
static GstPadProbeReturn
qtdemux_block_for_reconfig (GstPad * pad, GstPadProbeInfo * info,
ReconfigTestData * data)
{
fail_unless (data->pending_pad);
fail_unless (data->pending_pad == pad);
GST_DEBUG_OBJECT (pad, "Unblock pad");
if (gst_pad_is_linked (data->sinkpad)) {
GstPad *peer = gst_pad_get_peer (data->sinkpad);
fail_unless (peer);
gst_pad_unlink (peer, data->sinkpad);
}
fail_unless (gst_pad_link (data->pending_pad, data->sinkpad) ==
GST_PAD_LINK_OK);
data->pending_pad = NULL;
return GST_PAD_PROBE_REMOVE;
}
static GstPadProbeReturn
qtdemux_probe_for_reconfig (GstPad * pad, GstPadProbeInfo * info,
ReconfigTestData * data)
{
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
GstEventType expected;
if (data->step < data->total_step) {
expected = data->expected_events[data->step];
} else {
expected = GST_EVENT_UNKNOWN;
}
GST_DEBUG ("Got event %p %s", event, GST_EVENT_TYPE_NAME (event));
fail_unless (GST_EVENT_TYPE (event) == expected,
"Received unexpected event: %s (expected: %s)",
GST_EVENT_TYPE_NAME (event), gst_event_type_get_name (expected));
data->step++;
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS && data->step < data->total_step) {
/* If current EOS is for draining, there should be pending srcpad */
fail_unless (data->pending_pad != NULL);
}
return GST_PAD_PROBE_OK;
}
static void
qtdemux_pad_added_cb_for_reconfig (GstElement * element, GstPad * pad,
ReconfigTestData * data)
{
data->num_srcpad++;
fail_unless (data->num_srcpad <= data->expected_num_srcpad);
fail_unless (data->pending_pad == NULL);
GST_DEBUG_OBJECT (pad, "New pad added");
data->pending_pad = pad;
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK_DOWNSTREAM,
(GstPadProbeCallback) qtdemux_block_for_reconfig, data, NULL);
if (!data->sinkpad) {
GstPad *sinkpad = gst_pad_new_from_static_template (&sinktemplate, "sink");
gst_pad_set_event_function (sinkpad, _sink_event);
gst_pad_set_chain_function (sinkpad, _sink_chain);
gst_pad_add_probe (sinkpad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
(GstPadProbeCallback) qtdemux_probe_for_reconfig, data, NULL);
gst_pad_set_active (sinkpad, TRUE);
data->sinkpad = sinkpad;
}
}
GST_START_TEST (test_qtdemux_duplicated_moov)
{
GstElement *qtdemux;
GstPad *sinkpad;
ReconfigTestData data = { 0, };
GstBuffer *inbuf;
GstSegment segment;
GstEvent *event;
GstEventType expected[] = {
GST_EVENT_STREAM_START,
GST_EVENT_CAPS,
GST_EVENT_SEGMENT,
GST_EVENT_TAG,
GST_EVENT_TAG,
GST_EVENT_EOS
};
data.expected_events = expected;
data.expected_num_srcpad = 1;
data.total_step = G_N_ELEMENTS (expected);
/* The goal of this test is to check that qtdemux can properly handle
* duplicated moov without redundant events and pad exposing
*
* Testing step
* - Push events stream-start and segment to qtdemux
* - Push init and media data
* - Push the same init and media data again
*
* Expected behaviour
* - Expose srcpad only once
* - No additional downstream events when the second init and media data is
* pushed to qtdemux
*/
qtdemux = gst_element_factory_make ("qtdemux", NULL);
gst_element_set_state (qtdemux, GST_STATE_PLAYING);
sinkpad = gst_element_get_static_pad (qtdemux, "sink");
/* We'll want to know when the source pad is added */
g_signal_connect (qtdemux, "pad-added", (GCallback)
qtdemux_pad_added_cb_for_reconfig, &data);
/* Send the initial STREAM_START and segment (TIME) event */
event = gst_event_new_stream_start ("TEST");
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Feed the init buffer, should create the source pad */
inbuf = gst_buffer_new_and_alloc (init_mp4_len);
gst_buffer_fill (inbuf, 0, init_mp4, init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_DEBUG ("Pushing moov buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.sinkpad == NULL);
fail_unless_equals_int (data.num_srcpad, 1);
/* Now send the moof and mdat of the first fragment */
inbuf = gst_buffer_new_and_alloc (seg_1_m4f_len);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_m4f_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_DEBUG ("Pushing moof and mdat buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
/* Resend the init, moof and mdat, no additional event and pad are expected */
inbuf = gst_buffer_new_and_alloc (init_mp4_len);
gst_buffer_fill (inbuf, 0, init_mp4, init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing moov buffer again");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.sinkpad == NULL);
fail_unless_equals_int (data.num_srcpad, 1);
inbuf = gst_buffer_new_and_alloc (seg_1_m4f_len);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_m4f_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = init_mp4_len;
GST_DEBUG ("Pushing moof and mdat buffer again");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_unless (gst_pad_send_event (sinkpad, gst_event_new_eos ()) == TRUE);
fail_unless_equals_int (data.step, data.total_step);
fail_unless (data.pending_pad == NULL);
gst_object_unref (sinkpad);
gst_pad_set_active (data.sinkpad, FALSE);
gst_object_unref (data.sinkpad);
gst_element_set_state (qtdemux, GST_STATE_NULL);
gst_object_unref (qtdemux);
}
GST_END_TEST;
GST_START_TEST (test_qtdemux_stream_change)
{
GstElement *qtdemux;
GstPad *sinkpad;
ReconfigTestData data = { 0, };
GstBuffer *inbuf;
GstSegment segment;
GstEvent *event;
const gchar *upstream_id;
const gchar *stream_id = NULL;
gchar *expected_stream_id = NULL;
guint track_id;
GstEventType expected[] = {
/* 1st group */
GST_EVENT_STREAM_START,
GST_EVENT_CAPS,
GST_EVENT_SEGMENT,
GST_EVENT_TAG,
GST_EVENT_TAG,
/* 2nd group (track-id change without upstream stream-start) */
GST_EVENT_EOS,
GST_EVENT_STREAM_START,
GST_EVENT_CAPS,
GST_EVENT_SEGMENT,
GST_EVENT_TAG,
GST_EVENT_TAG,
/* 3rd group (no track-id change with upstream stream-start) */
GST_EVENT_EOS,
GST_EVENT_STREAM_START,
GST_EVENT_CAPS,
GST_EVENT_SEGMENT,
GST_EVENT_TAG,
GST_EVENT_TAG,
/* last group (track-id change with upstream stream-start) */
GST_EVENT_EOS,
GST_EVENT_STREAM_START,
GST_EVENT_CAPS,
GST_EVENT_SEGMENT,
GST_EVENT_TAG,
GST_EVENT_TAG,
GST_EVENT_EOS
};
data.expected_events = expected;
data.expected_num_srcpad = 4;
data.total_step = G_N_ELEMENTS (expected);
/* The goal of this test is to check that qtdemux can properly handle
* stream change regardless of track-id change.
* This test is simulating DASH bitrate switching (for both playbin and plabyin3)
* and period-change for playbin3
*
* NOTE: During bitrate switching in DASH, track-id might be changed
* NOTE: stream change with new stream-start to qtdemux is playbin3 specific behaviour,
* because playbin configures new demux per period and existing demux never ever get
* new stream-start again.
*
* Testing step
* [GROUP 1]
* - Push events stream-start and segment to qtdemux
* - Push init and media data to qtdemux
* [GROUP 2]
* - Push different (track-id change) init and media data to qtdemux
* without new downstream sticky events to qtdemux
* [GROUP 3]
* - Push events stream-start and segment to qtdemux again
* - Push the init and media data which are the same as GROUP 2
* [GROUP 4]
* - Push events stream-start and segment to qtdemux again
* - Push different (track-id change) init and media data to qtdemux
*
* Expected behaviour
* - Demux exposes srcpad four times, per test GROUP, regardless of track-id change
* - Whenever exposing new pads, downstream sticky events should be detected
* at demux srcpad
*/
qtdemux = gst_element_factory_make ("qtdemux", NULL);
gst_element_set_state (qtdemux, GST_STATE_PLAYING);
sinkpad = gst_element_get_static_pad (qtdemux, "sink");
/* We'll want to know when the source pad is added */
g_signal_connect (qtdemux, "pad-added", (GCallback)
qtdemux_pad_added_cb_for_reconfig, &data);
/***************
* TEST GROUP 1
* (track-id: 2)
**************/
/* Send the initial STREAM_START and segment (TIME) event */
upstream_id = "TEST-GROUP-1";
track_id = 2;
expected_stream_id = g_strdup_printf ("%s/%03u", upstream_id, track_id);
event = gst_event_new_stream_start (upstream_id);
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Feed the init buffer, should create the source pad */
inbuf = gst_buffer_new_and_alloc (init_mp4_len);
gst_buffer_fill (inbuf, 0, init_mp4, init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_DEBUG ("Pushing moov buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.sinkpad == NULL);
fail_unless_equals_int (data.num_srcpad, 1);
/* Check stream-id */
event = gst_pad_get_sticky_event (data.sinkpad, GST_EVENT_STREAM_START, 0);
fail_unless (event != NULL);
gst_event_parse_stream_start (event, &stream_id);
fail_unless_equals_string (stream_id, expected_stream_id);
g_free (expected_stream_id);
gst_event_unref (event);
/* Now send the moof and mdat of the first fragment */
inbuf = gst_buffer_new_and_alloc (seg_1_m4f_len);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_m4f_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = init_mp4_len;
GST_DEBUG ("Pushing moof and mdat buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
/***************
* TEST GROUP 2
* (track-id: 1)
* - track-id change without new upstream stream-start event
**************/
/* Resend the init */
inbuf = gst_buffer_new_and_alloc (BBB_32k_init_mp4_len);
gst_buffer_fill (inbuf, 0, BBB_32k_init_mp4, BBB_32k_init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing moov buffer again");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.sinkpad == NULL);
/* new srcpad should be exposed */
fail_unless_equals_int (data.num_srcpad, 2);
/* Check stream-id */
upstream_id = "TEST-GROUP-1"; /* upstream-id does not changed from GROUP 1 */
track_id = 1; /* track-id is changed from 2 to 1 */
expected_stream_id = g_strdup_printf ("%s/%03u", upstream_id, track_id);
event = gst_pad_get_sticky_event (data.sinkpad, GST_EVENT_STREAM_START, 0);
fail_unless (event != NULL);
gst_event_parse_stream_start (event, &stream_id);
fail_unless_equals_string (stream_id, expected_stream_id);
g_free (expected_stream_id);
gst_event_unref (event);
/* push the moof and mdat again */
inbuf = gst_buffer_new_and_alloc (BBB_32k_1_mp4_len);
gst_buffer_fill (inbuf, 0, BBB_32k_1_mp4, BBB_32k_1_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = BBB_32k_init_mp4_len;
GST_DEBUG ("Pushing moof and mdat buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
/***************
* TEST GROUP 3
* (track-id: 1)
* - Push new stream-start and segment to qtdemux
* - Reuse init and media data of GROUP 2 (no track-id change)
**************/
/* Send STREAM_START and segment (TIME) event */
upstream_id = "TEST-GROUP-3";
track_id = 1;
expected_stream_id = g_strdup_printf ("%s/%03u", upstream_id, track_id);
event = gst_event_new_stream_start (upstream_id);
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Resend the init */
inbuf = gst_buffer_new_and_alloc (BBB_32k_init_mp4_len);
gst_buffer_fill (inbuf, 0, BBB_32k_init_mp4, BBB_32k_init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing moov buffer again");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.sinkpad == NULL);
/* new srcpad should be exposed */
fail_unless_equals_int (data.num_srcpad, 3);
/* Check stream-id */
event = gst_pad_get_sticky_event (data.sinkpad, GST_EVENT_STREAM_START, 0);
fail_unless (event != NULL);
gst_event_parse_stream_start (event, &stream_id);
fail_unless_equals_string (stream_id, expected_stream_id);
g_free (expected_stream_id);
gst_event_unref (event);
/* push the moof and mdat again */
inbuf = gst_buffer_new_and_alloc (BBB_32k_1_mp4_len);
gst_buffer_fill (inbuf, 0, BBB_32k_1_mp4, BBB_32k_1_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = BBB_32k_init_mp4_len;
GST_DEBUG ("Pushing moof and mdat buffer");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
/***************
* TEST GROUP 4
* (track-id: 2)
* - Push new stream-start and segment to qtdemux
* - track-id change from 1 to 2
**************/
/* Send STREAM_START and segment (TIME) event */
upstream_id = "TEST-GROUP-4";
track_id = 2;
expected_stream_id = g_strdup_printf ("%s/%03u", upstream_id, track_id);
event = gst_event_new_stream_start (upstream_id);
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Resend the init */
inbuf = gst_buffer_new_and_alloc (init_mp4_len);
gst_buffer_fill (inbuf, 0, init_mp4, init_mp4_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing moov buffer again");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_if (data.sinkpad == NULL);
/* new srcpad should be exposed */
fail_unless_equals_int (data.num_srcpad, 4);
/* Check stream-id */
event = gst_pad_get_sticky_event (data.sinkpad, GST_EVENT_STREAM_START, 0);
fail_unless (event != NULL);
gst_event_parse_stream_start (event, &stream_id);
fail_unless_equals_string (stream_id, expected_stream_id);
g_free (expected_stream_id);
gst_event_unref (event);
/* push the moof and mdat again */
inbuf = gst_buffer_new_and_alloc (seg_1_m4f_len);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_m4f_len);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = init_mp4_len;
GST_DEBUG ("Pushing moof and mdat buffer again");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
fail_unless (gst_pad_send_event (sinkpad, gst_event_new_eos ()) == TRUE);
fail_unless_equals_int (data.step, data.total_step);
fail_unless (data.pending_pad == NULL);
gst_object_unref (sinkpad);
gst_pad_set_active (data.sinkpad, FALSE);
gst_object_unref (data.sinkpad);
gst_element_set_state (qtdemux, GST_STATE_NULL);
gst_object_unref (qtdemux);
}
GST_END_TEST;
static void
qtdemux_pad_added_cb_check_name (GstElement * element, GstPad * pad,
gchar * data)
{
gchar *pad_name = gst_pad_get_name (pad);
GST_DEBUG_OBJECT (pad, "New pad added");
fail_unless (!g_strcmp0 (pad_name, data));
g_free (pad_name);
}
GST_START_TEST (test_qtdemux_pad_names)
{
GstElement *qtdemux_v;
GstElement *qtdemux_a;
GstPad *sinkpad;
gchar *expected_video_pad_name;
gchar *expected_audio_pad_name;
GstBuffer *inbuf;
GstSegment segment;
GstEvent *event;
GstCaps *caps;
GstCaps *mediacaps;
/* The goal of this test is to check that qtdemux can create proper
* pad names with encrypted stream caps in mss mode.
*
* Input Caps:
* - media-caps with cenc
*
* Expected behaviour
* - Demux exposes src pad with names in accordance to their media types
*/
expected_video_pad_name = g_strdup ("video_0");
qtdemux_v = gst_element_factory_make ("qtdemux", NULL);
gst_element_set_state (qtdemux_v, GST_STATE_PLAYING);
sinkpad = gst_element_get_static_pad (qtdemux_v, "sink");
/* We'll want to know when the source pad is added */
g_signal_connect (qtdemux_v, "pad-added", (GCallback)
qtdemux_pad_added_cb_check_name, expected_video_pad_name);
/* Send the initial STREAM_START and segment (TIME) event */
event = gst_event_new_stream_start ("TEST");
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Send CAPS event* */
mediacaps = gst_caps_new_simple ("application/x-cenc",
"stream-format", G_TYPE_STRING, "avc",
"format", G_TYPE_STRING, "H264",
"width", G_TYPE_INT, 512,
"height", G_TYPE_INT, 288,
"original-media-type", G_TYPE_STRING, "video/x-h264",
"protection-system", G_TYPE_STRING,
"9a04f079-9840-4286-ab92-e65be0885f95", NULL);
caps =
gst_caps_new_simple ("video/quicktime",
"variant", G_TYPE_STRING, "mss-fragmented",
"timescale", G_TYPE_UINT64, G_GUINT64_CONSTANT (10000000),
"media-caps", GST_TYPE_CAPS, mediacaps, NULL);
/* Send segment event* */
event = gst_event_new_caps (caps);
GST_DEBUG ("Pushing caps event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_caps_unref (mediacaps);
gst_caps_unref (caps);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Send the first fragment */
/* NOTE: mss streams don't have moov */
inbuf = gst_buffer_new_and_alloc (seg_1_moof_size);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_moof_size);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing video fragment");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
gst_object_unref (sinkpad);
gst_element_set_state (qtdemux_v, GST_STATE_NULL);
gst_object_unref (qtdemux_v);
g_free (expected_video_pad_name);
/* Repeat test for audio media type */
expected_audio_pad_name = g_strdup ("audio_0");
qtdemux_a = gst_element_factory_make ("qtdemux", NULL);
gst_element_set_state (qtdemux_a, GST_STATE_PLAYING);
sinkpad = gst_element_get_static_pad (qtdemux_a, "sink");
/* We'll want to know when the source pad is added */
g_signal_connect (qtdemux_a, "pad-added", (GCallback)
qtdemux_pad_added_cb_check_name, expected_audio_pad_name);
/* Send the initial STREAM_START and segment (TIME) event */
event = gst_event_new_stream_start ("TEST");
GST_DEBUG ("Pushing stream-start event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Send CAPS event* */
mediacaps = gst_caps_new_simple ("application/x-cenc",
"mpegversion", G_TYPE_INT, 4,
"channels", G_TYPE_INT, 2,
"rate", G_TYPE_INT, 48000,
"original-media-type", G_TYPE_STRING, "audio/mpeg",
"protection-system", G_TYPE_STRING,
"9a04f079-9840-4286-ab92-e65be0885f95", NULL);
caps =
gst_caps_new_simple ("video/quicktime",
"variant", G_TYPE_STRING, "mss-fragmented",
"timescale", G_TYPE_UINT64, G_GUINT64_CONSTANT (10000000),
"media-caps", GST_TYPE_CAPS, mediacaps, NULL);
/* Send segment event* */
event = gst_event_new_caps (caps);
GST_DEBUG ("Pushing caps event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
gst_caps_unref (mediacaps);
gst_caps_unref (caps);
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
GST_DEBUG ("Pushing segment event");
fail_unless (gst_pad_send_event (sinkpad, event) == TRUE);
/* Send the first fragment */
/* NOTE: mss streams don't have moov */
inbuf = gst_buffer_new_and_alloc (seg_1_moof_size);
gst_buffer_fill (inbuf, 0, seg_1_m4f, seg_1_moof_size);
GST_BUFFER_PTS (inbuf) = 0;
GST_BUFFER_OFFSET (inbuf) = 0;
GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT);
GST_DEBUG ("Pushing audio fragment");
fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK);
gst_object_unref (sinkpad);
gst_element_set_state (qtdemux_a, GST_STATE_NULL);
gst_object_unref (qtdemux_a);
g_free (expected_audio_pad_name);
}
GST_END_TEST;
GST_START_TEST (test_qtdemux_editlist)
{
const gsize editlist_mp4_size = 5322593;
guint8 *editlist_mp4 = NULL;
GstElement *src, *sink, *pipe;
GstSample *sample;
guint frame_count = 0;
{
GZlibDecompressor *decompress;
GConverterResult decomp_res;
gsize bytes_read, gz_size, mp4_size;
guint8 *gz_gz = NULL;
guint8 gz[8705];
/* read .mp4.gz.gz */
g_assert (load_file (TEST_FILE_PREFIX "editlists.mp4.gz.gz", &gz_gz, 3597));
/* mp4.gz.gz -> mp4.gz */
decompress = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP);
decomp_res = g_converter_convert (G_CONVERTER (decompress), gz_gz, 3597,
gz, 8705, G_CONVERTER_INPUT_AT_END, &bytes_read, &gz_size, NULL);
fail_unless_equals_int (decomp_res, G_CONVERTER_FINISHED);
fail_unless_equals_int (bytes_read, 3597);
fail_unless_equals_int (gz_size, 8705);
g_object_unref (decompress);
g_clear_pointer (&gz_gz, (GDestroyNotify) g_free);
editlist_mp4 = g_malloc0 (editlist_mp4_size);
/* mp4.gz -> mp4 */
decompress = g_zlib_decompressor_new (G_ZLIB_COMPRESSOR_FORMAT_GZIP);
decomp_res = g_converter_convert (G_CONVERTER (decompress), gz, 8705,
editlist_mp4, editlist_mp4_size, G_CONVERTER_INPUT_AT_END, &bytes_read,
&mp4_size, NULL);
fail_unless_equals_int (decomp_res, G_CONVERTER_FINISHED);
fail_unless_equals_int (bytes_read, 8705);
fail_unless_equals_int (mp4_size, editlist_mp4_size);
g_object_unref (decompress);
}
fail_unless_equals_int (editlist_mp4[28 + 4], 'm');
fail_unless_equals_int (editlist_mp4[28 + 5], 'd');
fail_unless_equals_int (editlist_mp4[28 + 6], 'a');
fail_unless_equals_int (editlist_mp4[28 + 7], 't');
pipe = gst_parse_launch ("dataurisrc name=src ! qtdemux name=d "
"d.video_0 ! appsink name=sink", NULL);
fail_unless (pipe != NULL);
src = gst_bin_get_by_name (GST_BIN (pipe), "src");
fail_unless (src != NULL);
sink = gst_bin_get_by_name (GST_BIN (pipe), "sink");
fail_unless (sink != NULL);
/* Convert to data: URI so we can use dataurisrc. Bit silly of course,
* should have a memsrc or somesuch, but does the job for now */
{
gsize s_alloc_len = 32 + (editlist_mp4_size / 3 + 1) * 4 + 4;
gchar *s = g_malloc0 (s_alloc_len);
gsize s_len = 0;
gsize base64_size;
gint state = 0;
gint save = 0;
s_len = g_strlcat (s, "data:video/quicktime;base64,", s_alloc_len);
base64_size =
g_base64_encode_step (editlist_mp4, editlist_mp4_size, FALSE, s + s_len,
&state, &save);
s_len += base64_size;
base64_size = g_base64_encode_close (FALSE, s + s_len, &state, &save);
s_len += base64_size;
g_clear_pointer (&editlist_mp4, (GDestroyNotify) g_free);
{
GValue v = G_VALUE_INIT;
/* Avoids at least one of the two string copies */
g_value_init (&v, G_TYPE_STRING);
g_value_take_string (&v, s);
g_object_set_property (G_OBJECT (src), "uri", &v);
g_value_reset (&v);
}
}
g_object_set (sink, "sync", FALSE, NULL);
gst_element_set_state (pipe, GST_STATE_PLAYING);
/* wait for preroll */
{
GstMessage *msg;
GST_LOG ("waiting for preroll");
msg =
gst_bus_timed_pop_filtered (GST_ELEMENT_BUS (pipe), -1,
GST_MESSAGE_ASYNC_DONE);
gst_message_unref (msg);
}
/* pull video frames out of qtdemux */
while ((sample = gst_app_sink_pull_sample (GST_APP_SINK (sink)))) {
++frame_count;
gst_sample_unref (sample);
}
fail_unless_equals_int (frame_count, 361);
gst_element_set_state (pipe, GST_STATE_NULL);
gst_clear_object (&src);
gst_clear_object (&sink);
gst_clear_object (&pipe);
}
GST_END_TEST;
static Suite *
qtdemux_suite (void)
{
Suite *s = suite_create ("qtdemux");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_qtdemux_fuzzed0);
tcase_add_test (tc_chain, test_qtdemux_fuzzed1);
tcase_add_test (tc_chain, test_qtdemux_input_gap);
tcase_add_test (tc_chain, test_qtdemux_duplicated_moov);
tcase_add_test (tc_chain, test_qtdemux_stream_change);
tcase_add_test (tc_chain, test_qtdemux_pad_names);
tcase_add_test (tc_chain, test_qtdemux_editlist);
return s;
}
GST_CHECK_MAIN (qtdemux)
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