/* GStreamer * * unit test for qtdemux * * Copyright (C) <2016> Edward Hervey * * 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. */ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #define TEST_FILE_PREFIX GST_TEST_FILES_PATH G_DIR_SEPARATOR_S /* Fragments taken from http://dash.akamaized.net/dash264/TestCases/5c/nomor/4_1a.mpd * * Audio stream (aac) * Header + first Fragments */ /* http://dash.akamaized.net/dash264/TestCases/5c/nomor/BBB_32k_init.mp4 */ #define BBB_FILE_I TEST_FILE_PREFIX "qtdemux-test-BBB_32k_init.mp4" static guint8 *BBB_32k_init_mp4; static const guint BBB_32k_init_mp4_len = 776; /* http://dash.akamaized.net/dash264/TestCases/5c/nomor/BBB_32k_1.mp4 */ #define BBB_FILE_1 TEST_FILE_PREFIX "qtdemux-test-BBB_32k_1.mp4" static guint8 *BBB_32k_1_mp4; static const guint BBB_32k_1_mp4_len = 8423; /* Fragments taken from http://www.bok.net/dash/tears_of_steel/cleartext/stream.mpd * * Audio stream (aac) * Header + first fragment */ /* http://www.bok.net/dash/tears_of_steel/cleartext/audio/en/init.mp4 */ #define INIT_FILE TEST_FILE_PREFIX "qtdemux-test-audio-init.mp4" static guint8 *init_mp4; const guint init_mp4_len = 624; /* http://www.bok.net/dash/tears_of_steel/cleartext/audio/en/seg-1.m4f */ #define SEG1_FILE TEST_FILE_PREFIX "qtdemux-test-audio-seg1.m4f" static guint8 *seg_1_m4f; const guint seg_1_m4f_len = 49554; const guint seg_1_moof_size = 1120; const guint seg_1_sample_0_offset = 1128; static const guint seg_1_sample_sizes[] = { 371, 372, 477, 530, 489, 462, 441, 421, 420, 410, 402, 398, 381, 381, 386, 386, 369, 370, 362, 346, 357, 355, 376, 336, 341, 358, 350, 362, 333, 415, 386, 364, 344, 386, 358, 365, 404, 342, 361, 366, 361, 350, 390, 348, 366, 359, 357, 360, 349, 356, 365, 393, 353, 385, 381, 348, 345, 414, 372, 369, 401, 391, 333, 339, 423, 343, 445, 425, 422, 415, 406, 389, 395, 375, 356, 442, 432, 391, 385, 339, 277, 293, 316, 327, 309, 389, 359, 427, 326, 420, 407, 316, 362, 419, 349, 387, 326, 328, 367, 344, 425, 329, 379, 403, 314, 397, 368, 389, 380, 373, 342, 343, 368, 436, 359, 352, 361, 366, 350, 419, 331, 426, 401, 382, 326, 411, 364, 338, 345 }; /* in timescale */ static const GstClockTime seg_1_sample_duration = 1024; static const guint32 seg_1_timescale = 44100; 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; } static void load_files (void) { g_assert (load_file (INIT_FILE, &init_mp4, init_mp4_len)); g_assert (load_file (SEG1_FILE, &seg_1_m4f, seg_1_m4f_len)); g_assert (load_file (BBB_FILE_I, &BBB_32k_init_mp4, BBB_32k_init_mp4_len)); g_assert (load_file (BBB_FILE_1, &BBB_32k_1_mp4, BBB_32k_1_mp4_len)); } static void unload_files (void) { g_clear_pointer (&init_mp4, (GDestroyNotify) g_free); g_clear_pointer (&seg_1_m4f, (GDestroyNotify) g_free); g_clear_pointer (&BBB_32k_init_mp4, (GDestroyNotify) g_free); g_clear_pointer (&BBB_32k_1_mp4, (GDestroyNotify) g_free); } 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. */ load_files (); 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); unload_files (); } 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); load_files (); /* 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); unload_files (); } 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); load_files (); /* 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); unload_files (); } 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; load_files (); /* 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); unload_files (); } GST_END_TEST; typedef struct { GstPad *sinkpad; guint sample_cnt; guint expected_sample_cnt; } MssModeTestData; static GstPadProbeReturn qtdemux_probe_for_mss_mode (GstPad * pad, GstPadProbeInfo * info, MssModeTestData * data) { data->sample_cnt++; GST_LOG ("samples received: %u", data->sample_cnt); return GST_PAD_PROBE_OK; } static void qtdemux_pad_added_cb_in_mss_mode (GstElement * element, GstPad * pad, MssModeTestData * data) { GST_DEBUG_OBJECT (pad, "New pad added"); 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_BUFFER, (GstPadProbeCallback) qtdemux_probe_for_mss_mode, data, NULL); gst_pad_set_active (sinkpad, TRUE); data->sinkpad = sinkpad; gst_pad_link (pad, sinkpad); } } /* Fragment taken from * http://amssamples.streaming.mediaservices.windows.net/b6822ec8-5c2b-4ae0-a851-fd46a78294e9/ElephantsDream.ism/QualityLevels(53644)/Fragments(AAC_und_ch2_56kbps=0) */ #define MSS_FRAGMENT TEST_FILE_PREFIX "mss-fragment.m4f" static guint8 *mss_fragment; static const guint mss_fragment_len = 14400; GST_START_TEST (test_qtdemux_compensate_data_offset) { /* Same fragment as above, but with modified trun box data offset field * from 871 to 791 to mimic an mss fragment with data offset smaller * than the moof size. */ const guint mss_fragment_wrong_data_offset_len = 14400; guint8 *mss_fragment_wrong_data_offset; GstElement *qtdemux; GstPad *sinkpad; GstBuffer *inbuf; GstSegment segment; GstEvent *event; GstCaps *caps; GstCaps *mediacaps; MssModeTestData data = { 0, }; data.expected_sample_cnt = 87; g_assert (load_file (MSS_FRAGMENT, &mss_fragment, mss_fragment_len)); /* Change trun box data offset field from 871 to 791 to mimic an MSS fragment * with data offset smaller than the moof size. */ mss_fragment_wrong_data_offset = g_memdup2 (mss_fragment, mss_fragment_len); g_assert (GST_READ_UINT32_BE (&mss_fragment_wrong_data_offset[64]) == 871); GST_WRITE_UINT32_BE (&mss_fragment_wrong_data_offset[64], 791); /* The goal of this test is to check that qtdemux can compensate * wrong data offset in trun boxes and allow proper parsing of samples * in mss mode. */ 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_in_mss_mode, &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); /* Send CAPS event* */ mediacaps = gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 4, "channels", G_TYPE_INT, 2, "rate", G_TYPE_INT, 48000, NULL); caps = gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING, "mss-fragmented", "timescale", G_TYPE_UINT64, 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 (mss_fragment_wrong_data_offset_len); gst_buffer_fill (inbuf, 0, mss_fragment_wrong_data_offset, mss_fragment_wrong_data_offset_len); GST_BUFFER_PTS (inbuf) = 0; GST_BUFFER_OFFSET (inbuf) = 0; GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT); GST_DEBUG ("Pushing fragment"); fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK); fail_if (data.sinkpad == NULL); /* If data offset has been compensated samples will be pushed as normal */ fail_unless (data.sample_cnt == data.expected_sample_cnt); 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); g_free (mss_fragment_wrong_data_offset); g_clear_pointer (&mss_fragment, (GDestroyNotify) g_free); } GST_END_TEST; GST_START_TEST (test_qtdemux_mss_fragment) { GstElement *qtdemux; GstPad *sinkpad; GstBuffer *inbuf; GstSegment segment; GstEvent *event; GstCaps *caps; GstCaps *mediacaps; MssModeTestData data = { 0, }; data.expected_sample_cnt = 87; g_assert (load_file (MSS_FRAGMENT, &mss_fragment, mss_fragment_len)); /* The goal of this test is to check that qtdemux can handle a normal * mss fragment. */ 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_in_mss_mode, &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); /* Send CAPS event* */ mediacaps = gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT, 4, "channels", G_TYPE_INT, 2, "rate", G_TYPE_INT, 48000, NULL); caps = gst_caps_new_simple ("video/quicktime", "variant", G_TYPE_STRING, "mss-fragmented", "timescale", G_TYPE_UINT64, 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 (mss_fragment_len); gst_buffer_fill (inbuf, 0, mss_fragment, mss_fragment_len); GST_BUFFER_PTS (inbuf) = 0; GST_BUFFER_OFFSET (inbuf) = 0; GST_BUFFER_FLAG_SET (inbuf, GST_BUFFER_FLAG_DISCONT); GST_DEBUG ("Pushing fragment"); fail_unless (gst_pad_chain (sinkpad, inbuf) == GST_FLOW_OK); fail_if (data.sinkpad == NULL); fail_unless (data.sample_cnt == data.expected_sample_cnt); 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); g_clear_pointer (&mss_fragment, (GDestroyNotify) g_free); } GST_END_TEST; typedef struct { const gchar *filename; /* Total number of AAC frames, including any and all dummy/empty/padding frames. */ guint num_aac_frames; /* In AAC, this is 1024 in the vast majority of the cases. * AAC can also use 960 samples per frame, but this is rare. */ guint num_samples_per_frame; /* How many padding samples to expect at the beginning and the end. * The amount of padding samples can exceed the size of a frame. * This means that the first and last N frame(s) can actually be * fully made of padding samples and thus need to be thrown away. */ guint num_start_padding_samples; guint num_end_padding_samples; guint sample_rate; /* Some encoders produce data whose last frame uses a different * (smaller) stts value to handle the padding at the end. Data * produced by such encoders will not get a clipmeta added at the * end. When using test data produced by such an encoder, this * must be set to FALSE, otherwise it must be set to TRUE. * Notably, anything that produces an iTunSMPB tag (iTunes itself * as well as newer Nero encoders for example) will cause such * a clipmeta to be added. */ gboolean expect_clipmeta_at_end; /* Total number of samples available, with / without padding * samples factored in. */ guint64 num_samples_with_padding; guint64 num_samples_without_padding; /* The index of the first / last frame that contains valid samples. * Indices start with 0. Valid range is [0 , (num_aac_frames-1)]. * In virtually all cases, when the AAC data was encoded with iTunes, * the first and last valid frames will be partially clipped. */ guint first_frame_with_valid_samples; guint last_frame_with_valid_samples; guint64 num_samples_in_first_valid_frame; guint64 num_samples_in_last_valid_frame; GstClockTime total_duration_without_padding; GstElement *appsink; } GaplessTestInfo; static void precalculate_gapless_test_factors (GaplessTestInfo * info) { info->num_samples_with_padding = info->num_aac_frames * info->num_samples_per_frame; info->num_samples_without_padding = info->num_samples_with_padding - info->num_start_padding_samples - info->num_end_padding_samples; info->first_frame_with_valid_samples = info->num_start_padding_samples / info->num_samples_per_frame; info->last_frame_with_valid_samples = (info->num_samples_with_padding - info->num_end_padding_samples) / info->num_samples_per_frame; info->num_samples_in_first_valid_frame = (info->first_frame_with_valid_samples + 1) * info->num_samples_per_frame - info->num_start_padding_samples; info->num_samples_in_last_valid_frame = (info->num_samples_with_padding - info->num_end_padding_samples) - info->last_frame_with_valid_samples * info->num_samples_per_frame; /* The total actual playtime duration. */ info->total_duration_without_padding = gst_util_uint64_scale_int (info->num_samples_without_padding, GST_SECOND, info->sample_rate); GST_DEBUG ("num_samples_with_padding %" G_GUINT64_FORMAT " num_samples_without_padding %" G_GUINT64_FORMAT " first_frame_with_valid_samples %u" " last_frame_with_valid_samples %u" " num_samples_in_first_valid_frame %" G_GUINT64_FORMAT " num_samples_in_last_valid_frame %" G_GUINT64_FORMAT " total_duration_without_padding %" G_GUINT64_FORMAT, info->num_samples_with_padding, info->num_samples_without_padding, info->first_frame_with_valid_samples, info->last_frame_with_valid_samples, info->num_samples_in_first_valid_frame, info->num_samples_in_last_valid_frame, info->total_duration_without_padding); } static void setup_gapless_itunes_test_info (GaplessTestInfo * info) { info->filename = "sine-1kHztone-48kHzrate-mono-s32le-200000samples-itunes.m4a"; info->num_aac_frames = 198; info->num_samples_per_frame = 1024; info->sample_rate = 48000; info->expect_clipmeta_at_end = TRUE; info->num_start_padding_samples = 2112; info->num_end_padding_samples = 640; precalculate_gapless_test_factors (info); } static void setup_gapless_nero_with_itunsmpb_test_info (GaplessTestInfo * info) { info->filename = "sine-1kHztone-48kHzrate-mono-s32le-200000samples-nero-with-itunsmpb.m4a"; info->num_aac_frames = 198; info->num_samples_per_frame = 1024; info->sample_rate = 48000; info->expect_clipmeta_at_end = TRUE; info->num_start_padding_samples = 2624; info->num_end_padding_samples = 128; precalculate_gapless_test_factors (info); } static void setup_gapless_nero_without_itunsmpb_test_info (GaplessTestInfo * info) { info->filename = "sine-1kHztone-48kHzrate-mono-s32le-200000samples-nero-without-itunsmpb.m4a"; info->num_aac_frames = 198; info->num_samples_per_frame = 1024; info->sample_rate = 48000; /* Older Nero AAC encoders produce a different stts value for the * last frame to skip padding data. In this file, all frames except * the last one use an stts value of 1024, while the last value * uses an stts value of 896. Consequently, the logic inside qtdemux * won't deem it necessary to add an audioclipmeta - there are no * padding samples to clip. */ info->expect_clipmeta_at_end = FALSE; info->num_start_padding_samples = 2624; info->num_end_padding_samples = 128; precalculate_gapless_test_factors (info); } static void check_parsed_aac_frame (GaplessTestInfo * info, guint frame_num) { GstClockTime expected_pts = GST_CLOCK_TIME_NONE; GstClockTime expected_duration = GST_CLOCK_TIME_NONE; GstClockTimeDiff ts_delta; guint64 expected_sample_offset; guint64 expected_num_samples; gboolean expect_audioclipmeta = FALSE; guint64 expected_audioclipmeta_start = 0; guint64 expected_audioclipmeta_end = 0; GstSample *sample; GstBuffer *buffer; GstAudioClippingMeta *audioclip_meta; if (frame_num < info->first_frame_with_valid_samples) { /* Frame is at the beginning and is fully clipped. */ expected_sample_offset = 0; expected_num_samples = 0; expected_audioclipmeta_start = info->num_samples_per_frame; expected_audioclipmeta_end = 0; } else if (frame_num == info->first_frame_with_valid_samples) { /* Frame is at the beginning and is partially clipped. */ expected_sample_offset = 0; expected_num_samples = info->num_samples_in_first_valid_frame; expected_audioclipmeta_start = info->num_samples_per_frame - info->num_samples_in_first_valid_frame; expected_audioclipmeta_end = 0; } else if (frame_num < info->last_frame_with_valid_samples) { /* Regular, unclipped frame. */ expected_sample_offset = info->num_samples_in_first_valid_frame + info->num_samples_per_frame * (frame_num - info->first_frame_with_valid_samples - 1); expected_num_samples = info->num_samples_per_frame; } else if (frame_num == info->last_frame_with_valid_samples) { /* The first frame at the end with padding samples. This one will have * the last few valid samples, followed by the first padding samples. */ expected_sample_offset = info->num_samples_in_first_valid_frame + info->num_samples_per_frame * (frame_num - info->first_frame_with_valid_samples - 1); expected_num_samples = info->num_samples_in_last_valid_frame; if (info->expect_clipmeta_at_end) { expect_audioclipmeta = TRUE; expected_audioclipmeta_start = 0; expected_audioclipmeta_end = info->num_samples_per_frame - expected_num_samples; } } else { /* A fully clipped frame at the end of the stream. */ expected_sample_offset = info->num_samples_in_first_valid_frame + info->num_samples_without_padding; expected_num_samples = 0; if (info->expect_clipmeta_at_end) { expect_audioclipmeta = TRUE; expected_audioclipmeta_start = 0; expected_audioclipmeta_end = info->num_samples_per_frame; } } /* Pull the frame from appsink so we can check it. */ sample = gst_app_sink_pull_sample (GST_APP_SINK (info->appsink)); fail_if (sample == NULL); fail_unless (GST_IS_SAMPLE (sample)); expected_pts = gst_util_uint64_scale_int (expected_sample_offset, GST_SECOND, info->sample_rate); expected_duration = gst_util_uint64_scale_int (expected_num_samples, GST_SECOND, info->sample_rate); buffer = gst_sample_get_buffer (sample); fail_if (buffer == NULL); /* Verify the sample's PTS and duration. Allow for 1 nanosecond difference * to account for rounding errors in sample <-> timestamp conversions. */ ts_delta = GST_CLOCK_DIFF (GST_BUFFER_PTS (buffer), expected_pts); fail_unless (ABS (ts_delta) <= 1); ts_delta = GST_CLOCK_DIFF (GST_BUFFER_DURATION (buffer), expected_duration); fail_unless (ABS (ts_delta) <= 1); /* Check if there's audio clip metadata, and verify it if it exists. */ if (expect_audioclipmeta) { audioclip_meta = gst_buffer_get_audio_clipping_meta (buffer); fail_if (audioclip_meta == NULL); fail_unless_equals_uint64 (audioclip_meta->start, expected_audioclipmeta_start); fail_unless_equals_uint64 (audioclip_meta->end, expected_audioclipmeta_end); } gst_sample_unref (sample); } static void qtdemux_pad_added_cb_for_gapless (GstElement * demux, GstPad * pad, GaplessTestInfo * info) { GstPad *appsink_pad; GstPadLinkReturn ret; appsink_pad = gst_element_get_static_pad (info->appsink, "sink"); if (gst_pad_is_linked (appsink_pad)) goto finish; ret = gst_pad_link (pad, appsink_pad); if (GST_PAD_LINK_FAILED (ret)) { GST_ERROR ("Could not link qtdemux and appsink: %s", gst_pad_link_get_name (ret)); } finish: gst_object_unref (GST_OBJECT (appsink_pad)); } static void perform_gapless_test (GaplessTestInfo * info) { GstElement *source, *demux, *appsink, *pipeline; GstStateChangeReturn state_ret; guint frame_num; pipeline = gst_pipeline_new (NULL); source = gst_element_factory_make ("filesrc", NULL); demux = gst_element_factory_make ("qtdemux", NULL); appsink = gst_element_factory_make ("appsink", NULL); info->appsink = appsink; g_signal_connect (demux, "pad-added", (GCallback) qtdemux_pad_added_cb_for_gapless, info); gst_bin_add_many (GST_BIN (pipeline), source, demux, appsink, NULL); gst_element_link (source, demux); { char *full_filename = g_build_filename (GST_TEST_FILES_PATH, info->filename, NULL); g_object_set (G_OBJECT (source), "location", full_filename, NULL); g_free (full_filename); } g_object_set (G_OBJECT (appsink), "async", FALSE, "sync", FALSE, "max-buffers", 1, "enable-last-sample", FALSE, "processing-deadline", G_MAXUINT64, NULL); state_ret = gst_element_set_state (pipeline, GST_STATE_PLAYING); fail_unless (state_ret != GST_STATE_CHANGE_FAILURE); if (state_ret == GST_STATE_CHANGE_ASYNC) { GST_LOG ("waiting for pipeline to reach PAUSED state"); state_ret = gst_element_get_state (pipeline, NULL, NULL, -1); fail_unless_equals_int (state_ret, GST_STATE_CHANGE_SUCCESS); } /* Verify all frames from the test signal. */ for (frame_num = 0; frame_num < info->num_aac_frames; ++frame_num) check_parsed_aac_frame (info, frame_num); /* Check what duration is returned by a query. This duration must exclude * the padding samples. */ { GstQuery *query; gint64 duration; GstFormat format; query = gst_query_new_duration (GST_FORMAT_TIME); fail_unless (gst_element_query (pipeline, query)); gst_query_parse_duration (query, &format, &duration); fail_unless_equals_int (format, GST_FORMAT_TIME); fail_unless_equals_uint64 ((guint64) duration, info->total_duration_without_padding); gst_query_unref (query); } /* Seek tests: Here we seek to a certain position that corresponds to a * certain frame. Then we check if we indeed got that frame. */ /* Seek back to the first frame. This will _not_ be the first valid frame. * Instead, it will be a frame that gets only decoded and has duration * zero. Other zero-duration frames may follow, until the first frame * with valid data is encountered. This means that when the user seeks * to position 0, downstream will subsequently get a number of buffers * with PTS 0, and all of those buffers except the last will have a * duration of 0. */ { fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PAUSED), GST_STATE_CHANGE_SUCCESS); gst_element_seek_simple (pipeline, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, 0); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING), GST_STATE_CHANGE_SUCCESS); check_parsed_aac_frame (info, 0); } /* Now move to the frame past the very first one that contained valid samples. * This very first frame will usually be clipped, and be output as the last * buffer at PTS 0 (see above). */ { GstClockTime position; position = gst_util_uint64_scale_int (info->num_samples_in_first_valid_frame, GST_SECOND, info->sample_rate); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PAUSED), GST_STATE_CHANGE_SUCCESS); gst_element_seek_simple (pipeline, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, position); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING), GST_STATE_CHANGE_SUCCESS); check_parsed_aac_frame (info, info->first_frame_with_valid_samples + 1); } /* Seek to the last frame with valid samples (= the first frame with padding * samples at the end of the stream). */ { GstClockTime position; position = gst_util_uint64_scale_int (info->num_samples_in_first_valid_frame + info->num_samples_without_padding - info->num_samples_per_frame, GST_SECOND, info->sample_rate); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PAUSED), GST_STATE_CHANGE_SUCCESS); gst_element_seek_simple (pipeline, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH, position); fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_PLAYING), GST_STATE_CHANGE_SUCCESS); check_parsed_aac_frame (info, info->last_frame_with_valid_samples); } gst_element_set_state (pipeline, GST_STATE_NULL); gst_object_unref (pipeline); } GST_START_TEST (test_qtdemux_gapless_itunes_data) { GaplessTestInfo info; setup_gapless_itunes_test_info (&info); perform_gapless_test (&info); } GST_END_TEST; GST_START_TEST (test_qtdemux_gapless_nero_data_with_itunsmpb) { GaplessTestInfo info; setup_gapless_nero_with_itunsmpb_test_info (&info); perform_gapless_test (&info); } GST_END_TEST; GST_START_TEST (test_qtdemux_gapless_nero_data_without_itunsmpb) { GaplessTestInfo info; setup_gapless_nero_without_itunsmpb_test_info (&info); perform_gapless_test (&info); } 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_compensate_data_offset); tcase_add_test (tc_chain, test_qtdemux_mss_fragment); tcase_add_test (tc_chain, test_qtdemux_gapless_itunes_data); tcase_add_test (tc_chain, test_qtdemux_gapless_nero_data_with_itunsmpb); tcase_add_test (tc_chain, test_qtdemux_gapless_nero_data_without_itunsmpb); return s; } GST_CHECK_MAIN (qtdemux)