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tests: mpegtsmux: add basic output unit test verification
This commit is contained in:
Mark Nauwelaerts
parent
c4b480b993
commit
fc38000acd
1 changed files with 299 additions and 0 deletions
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@ -39,6 +39,303 @@ static GstStaticPadTemplate audio_src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_STATIC_CAPS ("audio/mpeg")
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);
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/* For ease of programming we use globals to keep refs for our floating
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* src and sink pads we create; otherwise we always have to do get_pad,
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* get_peer, and then remove references in every test function */
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static GstPad *mysrcpad, *mysinkpad;
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#define AUDIO_CAPS_STRING "audio/mpeg, " \
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"channels = (int) 1, " \
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"rate = (int) 8000, " \
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"mpegversion = (int) 1"
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#define VIDEO_CAPS_STRING "video/x-h264, " \
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"format = (string) byte-stream"
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/* setup and teardown needs some special handling for muxer */
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static GstPad *
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setup_src_pad (GstElement * element,
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GstStaticPadTemplate * template, GstCaps * caps, const gchar * sinkname,
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gchar ** padname)
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{
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GstPad *srcpad, *sinkpad;
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GST_DEBUG_OBJECT (element, "setting up sending pad");
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/* sending pad */
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srcpad = gst_pad_new_from_static_template (template, "src");
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fail_if (srcpad == NULL, "Could not create a srcpad");
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ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
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if (!(sinkpad = gst_element_get_static_pad (element, sinkname)))
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sinkpad = gst_element_get_request_pad (element, sinkname);
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fail_if (sinkpad == NULL, "Could not get sink pad from %s",
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GST_ELEMENT_NAME (element));
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/* references are owned by: 1) us, 2) tsmux, 3) collect pads */
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
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if (caps)
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fail_unless (gst_pad_set_caps (srcpad, caps));
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fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK,
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"Could not link source and %s sink pads", GST_ELEMENT_NAME (element));
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gst_object_unref (sinkpad); /* because we got it higher up */
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/* references are owned by: 1) tsmux, 2) collect pads */
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
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if (padname)
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*padname = g_strdup (GST_PAD_NAME (sinkpad));
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return srcpad;
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}
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static void
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teardown_src_pad (GstElement * element, const gchar * sinkname)
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{
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GstPad *srcpad, *sinkpad;
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/* clean up floating src pad */
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if (!(sinkpad = gst_element_get_static_pad (element, sinkname)))
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sinkpad = gst_element_get_request_pad (element, sinkname);
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/* pad refs held by 1) tsmux 2) collectpads and 3) us (through _get) */
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
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srcpad = gst_pad_get_peer (sinkpad);
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gst_pad_unlink (srcpad, sinkpad);
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GST_DEBUG ("src %p", srcpad);
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/* after unlinking, pad refs still held by
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* 1) tsmux and 2) collectpads and 3) us (through _get) */
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ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
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gst_object_unref (sinkpad);
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/* one more ref is held by element itself */
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/* pad refs held by both creator and this function (through _get_peer) */
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ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2);
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gst_object_unref (srcpad);
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gst_object_unref (srcpad);
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}
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static GstElement *
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setup_tsmux (GstStaticPadTemplate * srctemplate, const gchar * sinkname,
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gchar ** padname)
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{
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GstElement *mux;
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GST_DEBUG ("setup_tsmux");
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mux = gst_check_setup_element ("mpegtsmux");
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mysrcpad = setup_src_pad (mux, srctemplate, NULL, sinkname, padname);
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mysinkpad = gst_check_setup_sink_pad (mux, &sink_template);
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gst_pad_set_active (mysrcpad, TRUE);
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gst_pad_set_active (mysinkpad, TRUE);
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return mux;
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}
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static void
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cleanup_tsmux (GstElement * mux, const gchar * sinkname)
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{
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GST_DEBUG ("cleanup_mux");
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gst_element_set_state (mux, GST_STATE_NULL);
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gst_pad_set_active (mysrcpad, FALSE);
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gst_pad_set_active (mysinkpad, FALSE);
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teardown_src_pad (mux, sinkname);
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gst_check_teardown_sink_pad (mux);
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gst_check_teardown_element (mux);
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}
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static void
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check_tsmux_pad (GstStaticPadTemplate * srctemplate,
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const gchar * src_caps_string, gint pes_id, gint pmt_id,
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const gchar * sinkname)
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{
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GstElement *mux;
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GstBuffer *inbuffer, *outbuffer;
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GstCaps *caps;
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gint num_buffers;
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gint i;
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gint pmt_pid = -1, el_pid = -1, pcr_pid = -1, packets = 0;
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gchar *padname;
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GstSegment segment;
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mux = setup_tsmux (srctemplate, sinkname, &padname);
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fail_unless (gst_element_set_state (mux,
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GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
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"could not set to playing");
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gst_segment_init (&segment, GST_FORMAT_TIME);
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fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
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inbuffer = gst_buffer_new_and_alloc (1);
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caps = gst_caps_from_string (src_caps_string);
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gst_pad_set_caps (mysrcpad, caps);
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gst_caps_unref (caps);
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GST_BUFFER_TIMESTAMP (inbuffer) = 0;
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ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
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fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
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num_buffers = g_list_length (buffers);
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/* all output might get aggregated */
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fail_unless (num_buffers >= 1);
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/* collect buffers in adapter for convenience */
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for (i = 0; i < num_buffers; ++i) {
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guint8 *odata;
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gint size;
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GstMapInfo map;
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outbuffer = GST_BUFFER (buffers->data);
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fail_if (outbuffer == NULL);
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buffers = g_list_remove (buffers, outbuffer);
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ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
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gst_buffer_map (outbuffer, &map, GST_MAP_READ);
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odata = map.data;
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size = map.size;
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fail_unless (size % 188 == 0);
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for (; size; odata += 188, size -= 188) {
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guint pid, y;
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guint8 *data = odata;
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/* need sync_byte */
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fail_unless (*data == 0x47);
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data++;
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y = GST_READ_UINT16_BE (data);
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pid = y & (0x1FFF);
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data += 2;
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GST_DEBUG ("pid: %d", pid);
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y = (y >> 14) & 0x1;
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/* only check packets with payload_start_indicator == 1 */
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if (!y) {
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GST_DEBUG ("not at start");
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continue;
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}
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y = *data;
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data++;
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if (y & 0x20) {
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/* adaptation field */
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y = *data;
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data++;
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data += y;
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GST_DEBUG ("adaptation %d", y);
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}
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if (pid == 0) {
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/* look for PAT */
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/* pointer field */
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y = *data;
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data++;
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data += y;
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/* table_id */
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y = *data;
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data++;
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fail_unless (y == 0x0);
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/* skip */
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data += 5;
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/* section_number */
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y = *data;
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fail_unless (y == 0);
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data++;
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/* last_section_number */
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y = *data;
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fail_unless (y == 0);
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data++;
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/* program_number */
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y = GST_READ_UINT16_BE (data);
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fail_unless (y != 0);
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data += 2;
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/* program_map_PID */
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y = GST_READ_UINT16_BE (data);
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pmt_pid = y & 0x1FFF;
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fail_unless (pmt_pid > 0x10 && pmt_pid != 0x1FF);
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} else if (pid == pmt_pid) {
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/* look for PMT */
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/* pointer field */
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y = *data;
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data++;
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data += y;
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/* table_id */
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y = *data;
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data++;
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fail_unless (y == 0x2);
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/* skip */
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data += 5;
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/* section_number */
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y = *data;
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fail_unless (y == 0);
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data++;
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/* last_section_number */
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y = *data;
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fail_unless (y == 0);
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data++;
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/* PCR_PID */
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y = GST_READ_UINT16_BE (data);
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data += 2;
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pcr_pid = y & 0x1FFF;
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/* program_info_length */
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y = GST_READ_UINT16_BE (data);
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data += 2;
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y = y & 0x0FFF;
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data += y;
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/* parsing only ES stream */
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/* stream_type */
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y = *data;
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data++;
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fail_unless (y == pmt_id);
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/* elementary_PID */
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y = GST_READ_UINT16_BE (data);
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data += 2;
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el_pid = y & 0x1FFF;
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fail_unless (el_pid > 0x10 && el_pid != 0x1FF);
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} else if (pid == el_pid) {
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packets++;
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/* expect to see a PES packet start */
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y = GST_READ_UINT32_BE (data);
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fail_unless (y >> 8 == 0x1);
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/* stream_id */
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y = y & 0xFF;
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fail_unless ((pes_id & 0xF0) == (y & 0xF0));
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}
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}
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gst_buffer_unmap (outbuffer, &map);
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gst_buffer_unref (outbuffer);
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outbuffer = NULL;
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}
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fail_unless (pmt_pid > 0);
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fail_unless (el_pid > 0);
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fail_unless (pcr_pid == el_pid);
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fail_unless (packets > 0);
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g_list_free (buffers);
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buffers = NULL;
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cleanup_tsmux (mux, padname);
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g_free (padname);
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}
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GST_START_TEST (test_video)
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{
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check_tsmux_pad (&video_src_template, VIDEO_CAPS_STRING, 0xE0, 0x1b,
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"sink_%d");
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}
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GST_END_TEST;
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GST_START_TEST (test_audio)
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{
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check_tsmux_pad (&audio_src_template, AUDIO_CAPS_STRING, 0xC0, 0x03,
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"sink_%d");
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}
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GST_END_TEST;
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typedef struct _TestData
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{
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GstEvent *sink_event;
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@ -331,6 +628,8 @@ mpegtsmux_suite (void)
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_audio);
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tcase_add_test (tc_chain, test_video);
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tcase_add_test (tc_chain, test_force_key_unit_event_downstream);
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tcase_add_test (tc_chain, test_force_key_unit_event_upstream);
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