static void
dvb_base_bin_handle_message (GstBin * bin, GstMessage * message)
{
DvbBaseBin *dvbbasebin;
dvbbasebin = GST_DVB_BASE_BIN (bin);
/* note: message->src might be a GstPad, so use element cast w/o typecheck */
if (GST_ELEMENT_CAST (message->src) == dvbbasebin->tsparse) {
GstMpegtsSection *section = gst_message_parse_mpegts_section (message);
if (section) {
switch (GST_MPEGTS_SECTION_TYPE (section)) {
case GST_MPEGTS_SECTION_PAT:
dvb_base_bin_pat_info_cb (dvbbasebin, section);
break;
case GST_MPEGTS_SECTION_PMT:
dvb_base_bin_pmt_info_cb (dvbbasebin, section);
break;
default:
break;
}
gst_mpegts_section_unref (section);
}
}
/* chain up */
GST_BIN_CLASS (parent_class)->handle_message (bin, message);
}
static void
mpegts_base_handle_psi (MpegTSBase * base, GstMpegTsSection * section)
{
gboolean post_message = TRUE;
GST_DEBUG ("Handling PSI (pid: 0x%04x , table_id: 0x%02x)",
section->pid, section->table_id);
switch (section->section_type) {
case GST_MPEGTS_SECTION_PAT:
post_message = mpegts_base_apply_pat (base, section);
if (base->seen_pat == FALSE) {
base->seen_pat = TRUE;
GST_DEBUG ("First PAT offset: %" G_GUINT64_FORMAT, section->offset);
mpegts_packetizer_set_reference_offset (base->packetizer,
section->offset);
}
break;
case GST_MPEGTS_SECTION_PMT:
post_message = mpegts_base_apply_pmt (base, section);
break;
case GST_MPEGTS_SECTION_EIT:
/* some tag xtraction + posting */
post_message = mpegts_base_get_tags_from_eit (base, section);
break;
default:
break;
}
/* Finally post message (if it wasn't corrupted) */
if (post_message)
gst_element_post_message (GST_ELEMENT_CAST (base),
gst_message_new_mpegts_section (GST_OBJECT (base), section));
gst_mpegts_section_unref (section);
}
static void
dvb_base_bin_program_destroy (gpointer data)
{
DvbBaseBinProgram *program;
program = (DvbBaseBinProgram *) data;
if (program->pmt) {
program->pmt = NULL;
gst_mpegts_section_unref (program->section);
}
g_free (program);
}
static void
mpegts_base_free_program (MpegTSBaseProgram * program)
{
GList *tmp;
if (program->pmt) {
gst_mpegts_section_unref (program->section);
program->pmt = NULL;
}
for (tmp = program->stream_list; tmp; tmp = tmp->next)
g_free (tmp->data);
if (program->stream_list)
g_list_free (program->stream_list);
g_free (program->streams);
if (program->tags)
gst_tag_list_unref (program->tags);
g_free (program);
}
static void
_on_bus_message (GstBus * bus, GstMessage * message, GMainLoop * mainloop)
{
/* g_printf ("Got message %s\n", GST_MESSAGE_TYPE_NAME (message)); */
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_ERROR:
case GST_MESSAGE_EOS:
g_main_loop_quit (mainloop);
break;
case GST_MESSAGE_ELEMENT:
{
GstMpegTsSection *section;
if ((section = gst_message_parse_mpegts_section (message))) {
g_print
("Got section: PID:0x%04x type:%s (table_id 0x%02x (%s)) at offset %"
G_GUINT64_FORMAT "\n", section->pid,
enum_name (GST_TYPE_MPEG_TS_SECTION_TYPE, section->section_type),
section->table_id, enum_name (GST_TYPE_MPEG_TS_SECTION_TABLE_ID,
section->table_id), section->offset);
if (!section->short_section) {
g_print
(" subtable_extension:0x%04x, version_number:0x%02x\n",
section->subtable_extension, section->version_number);
g_print
(" section_number:0x%02x last_section_number:0x%02x crc:0x%08x\n",
section->section_number, section->last_section_number,
section->crc);
}
dump_section (section);
g_printf ("\n\n");
gst_mpegts_section_unref (section);
}
break;
}
default:
break;
}
}
static void
dvb_base_bin_pmt_info_cb (DvbBaseBin * dvbbasebin, GstMpegtsSection * section)
{
const GstMpegtsPMT *pmt;
DvbBaseBinProgram *program;
guint program_number;
pmt = gst_mpegts_section_get_pmt (section);
if (G_UNLIKELY (pmt == NULL)) {
GST_WARNING_OBJECT (dvbbasebin, "Received invalid PMT");
return;
}
program_number = section->subtable_extension;
program = dvb_base_bin_get_program (dvbbasebin, program_number);
if (program == NULL) {
GST_WARNING ("got PMT for program %d but program not in PAT",
program_number);
program = dvb_base_bin_add_program (dvbbasebin, program_number);
}
program->old_pmt = program->pmt;
program->old_section = program->section;
program->pmt = pmt;
program->section = gst_mpegts_section_ref (section);
/* activate the program if it's selected and either it's not active or its pmt
* changed */
if (program->selected && (!program->active || program->old_pmt != NULL))
dvb_base_bin_activate_program (dvbbasebin, program);
if (program->old_pmt) {
gst_mpegts_section_unref (program->old_section);
program->old_pmt = NULL;
}
}
static void
mpegts_base_activate_program (MpegTSBase * base, MpegTSBaseProgram * program,
guint16 pmt_pid, GstMpegtsSection * section, const GstMpegtsPMT * pmt,
gboolean initial_program)
{
guint i;
MpegTSBaseClass *klass;
if (G_UNLIKELY (program->active))
return;
GST_DEBUG ("Activating program %d", program->program_number);
/* activate new pmt */
if (program->section)
gst_mpegts_section_unref (program->section);
program->section = gst_mpegts_section_ref (section);
program->pmt = pmt;
program->pmt_pid = pmt_pid;
program->pcr_pid = pmt->pcr_pid;
/* extract top-level registration_id if present */
program->registration_id =
get_registration_from_descriptors (pmt->descriptors);
GST_DEBUG ("program 0x%04x, registration_id %" SAFE_FOURCC_FORMAT,
program->program_number, SAFE_FOURCC_ARGS (program->registration_id));
for (i = 0; i < pmt->streams->len; ++i) {
GstMpegtsPMTStream *stream = g_ptr_array_index (pmt->streams, i);
switch (stream->stream_type) {
case GST_MPEGTS_STREAM_TYPE_SCTE_DSMCC_DCB:
case GST_MPEGTS_STREAM_TYPE_SCTE_SIGNALING:
{
guint32 registration_id =
get_registration_from_descriptors (stream->descriptors);
/* Not a private section stream */
if (registration_id != DRF_ID_CUEI && registration_id != DRF_ID_ETV1)
break;
/* Fall through on purpose - remove this PID from known_psi */
}
case GST_MPEGTS_STREAM_TYPE_PRIVATE_SECTIONS:
case GST_MPEGTS_STREAM_TYPE_MHEG:
case GST_MPEGTS_STREAM_TYPE_DSM_CC:
case GST_MPEGTS_STREAM_TYPE_DSMCC_A:
case GST_MPEGTS_STREAM_TYPE_DSMCC_B:
case GST_MPEGTS_STREAM_TYPE_DSMCC_C:
case GST_MPEGTS_STREAM_TYPE_DSMCC_D:
case GST_MPEGTS_STREAM_TYPE_SL_FLEXMUX_SECTIONS:
case GST_MPEGTS_STREAM_TYPE_METADATA_SECTIONS:
/* Set known PSI streams */
if (base->parse_private_sections)
MPEGTS_BIT_SET (base->known_psi, stream->pid);
break;
default:
if (G_UNLIKELY (MPEGTS_BIT_IS_SET (base->is_pes, stream->pid)))
GST_FIXME
("Refcounting issue. Setting twice a PID (0x%04x) as known PES",
stream->pid);
if (G_UNLIKELY (MPEGTS_BIT_IS_SET (base->known_psi, stream->pid))) {
GST_FIXME
("Refcounting issue. Setting a known PSI PID (0x%04x) as known PES",
stream->pid);
MPEGTS_BIT_UNSET (base->known_psi, stream->pid);
}
MPEGTS_BIT_SET (base->is_pes, stream->pid);
break;
}
mpegts_base_program_add_stream (base, program,
stream->pid, stream->stream_type, stream);
}
/* We add the PCR pid last. If that PID is already used by one of the media
* streams above, no new stream will be created */
mpegts_base_program_add_stream (base, program, pmt->pcr_pid, -1, NULL);
MPEGTS_BIT_SET (base->is_pes, pmt->pcr_pid);
program->active = TRUE;
program->initial_program = initial_program;
klass = GST_MPEGTS_BASE_GET_CLASS (base);
if (klass->program_started != NULL)
klass->program_started (base, program);
GST_DEBUG_OBJECT (base, "new pmt activated");
}
