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-rw-r--r--ChangeLog9
-rw-r--r--gst/mpegtsparse/mpegtspacketizer.c21
-rw-r--r--gst/mpegtsparse/mpegtsparse.c81
-rw-r--r--gst/mpegtsparse/mpegtsparse.h1
4 files changed, 101 insertions, 11 deletions
diff --git a/ChangeLog b/ChangeLog
index 9a85ba63..a2aeb949 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2007-10-16 Zaheer Abbas Merali <zaheerabbas at merali dot org>
+
+ patch by: Alessandro Decina
+
+ * gst/mpegtsparse/mpegtspacketizer.c:
+ * gst/mpegtsparse/mpegtsparse.c:
+ * gst/mpegtsparse/mpegtsparse.h:
+ Add request pad for getting the full transport stream coming in.
+
2007-10-14 Sebastian Dröge <slomo@circular-chaos.org>
* configure.ac:
diff --git a/gst/mpegtsparse/mpegtspacketizer.c b/gst/mpegtsparse/mpegtspacketizer.c
index 000d0b3b..86d94b39 100644
--- a/gst/mpegtsparse/mpegtspacketizer.c
+++ b/gst/mpegtsparse/mpegtspacketizer.c
@@ -105,7 +105,8 @@ mpegts_packetizer_dispose (GObject * object)
packetizer->disposed = TRUE;
}
- G_OBJECT_CLASS (mpegts_packetizer_parent_class)->dispose (object);
+ if (G_OBJECT_CLASS (mpegts_packetizer_parent_class)->dispose)
+ G_OBJECT_CLASS (mpegts_packetizer_parent_class)->dispose (object);
}
static gboolean
@@ -128,7 +129,8 @@ mpegts_packetizer_finalize (GObject * object)
stream_foreach_remove, packetizer);
g_hash_table_destroy (packetizer->streams);
- G_OBJECT_CLASS (mpegts_packetizer_parent_class)->finalize (object);
+ if (G_OBJECT_CLASS (mpegts_packetizer_parent_class)->finalize)
+ G_OBJECT_CLASS (mpegts_packetizer_parent_class)->finalize (object);
}
static gboolean
@@ -142,20 +144,21 @@ mpegts_packetizer_parse_adaptation_field_control (MpegTSPacketizer * packetizer,
if (packet->adaptation_field_control == 0x02) {
/* no payload, adaptation field of 183 bytes */
if (length != 183) {
- GST_WARNING ("PID %d afc == 0x%x and length %d != 183",
+ GST_DEBUG ("PID %d afc == 0x%x and length %d != 183",
packet->pid, packet->adaptation_field_control, length);
}
} else if (length > 182) {
- GST_WARNING ("PID %d afc == 0x%01x and length %d > 182",
+ GST_DEBUG ("PID %d afc == 0x%01x and length %d > 182",
packet->pid, packet->adaptation_field_control, length);
}
/* skip the adaptation field body for now */
if (packet->data + length > packet->data_end) {
- GST_ERROR ("PID %d afc length overflows the buffer %d",
+ GST_DEBUG ("PID %d afc length overflows the buffer %d",
packet->pid, length);
return FALSE;
}
+
packet->data += length;
return TRUE;
@@ -280,7 +283,13 @@ mpegts_packetizer_parse_pat (MpegTSPacketizer * packetizer,
g_value_unset (&value);
}
- g_assert (data == end - 4);
+ if (data != end - 4) {
+ /* FIXME: check the CRC before parsing the packet */
+ GST_ERROR ("at the end of PAT data != end - 4");
+ g_value_array_free (pat);
+
+ return NULL;
+ }
return pat;
}
diff --git a/gst/mpegtsparse/mpegtsparse.c b/gst/mpegtsparse/mpegtsparse.c
index 994ea0b7..c0496711 100644
--- a/gst/mpegtsparse/mpegtsparse.c
+++ b/gst/mpegtsparse/mpegtsparse.c
@@ -48,6 +48,7 @@ typedef struct
{
gint program_number;
guint16 pmt_pid;
+ guint16 pcr_pid;
GObject *pmt_info;
GHashTable *streams;
gint patcount;
@@ -83,6 +84,12 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
);
+static GstStaticPadTemplate src_template =
+GST_STATIC_PAD_TEMPLATE ("src%d", GST_PAD_SRC,
+ GST_PAD_REQUEST,
+ GST_STATIC_CAPS ("video/mpegts, " "systemstream = (boolean) true ")
+ );
+
static GstStaticPadTemplate program_template =
GST_STATIC_PAD_TEMPLATE ("program_%d", GST_PAD_SRC,
GST_PAD_SOMETIMES,
@@ -123,6 +130,9 @@ static void mpegts_parse_reset_selected_programs (MpegTSParse * parse,
gchar * programs);
static void mpegts_parse_pad_removed (GstElement * element, GstPad * pad);
+static GstPad *mpegts_parse_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name);
+static void mpegts_parse_release_pad (GstElement * element, GstPad * pad);
static GstFlowReturn mpegts_parse_chain (GstPad * pad, GstBuffer * buf);
static gboolean mpegts_parse_sink_event (GstPad * pad, GstEvent * event);
static GstStateChangeReturn mpegts_parse_change_state (GstElement * element,
@@ -140,6 +150,8 @@ mpegts_parse_base_init (gpointer klass)
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+ gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&program_template));
gst_element_class_set_details (element_class, &mpegts_parse_details);
@@ -153,6 +165,8 @@ mpegts_parse_class_init (MpegTSParseClass * klass)
element_class = GST_ELEMENT_CLASS (klass);
element_class->pad_removed = mpegts_parse_pad_removed;
+ element_class->request_new_pad = mpegts_parse_request_new_pad;
+ element_class->release_pad = mpegts_parse_release_pad;
element_class->change_state = mpegts_parse_change_state;
gobject_class = G_OBJECT_CLASS (klass);
@@ -230,7 +244,8 @@ mpegts_parse_dispose (GObject * object)
parse->disposed = TRUE;
}
- G_OBJECT_CLASS (parent_class)->dispose (object);
+ if (G_OBJECT_CLASS (parent_class)->dispose)
+ G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
@@ -244,7 +259,8 @@ mpegts_parse_finalize (GObject * object)
g_hash_table_destroy (parse->programs);
g_hash_table_destroy (parse->psi_pids);
- G_OBJECT_CLASS (parent_class)->finalize (object);
+ if (G_OBJECT_CLASS (parent_class)->finalize)
+ G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
@@ -289,6 +305,7 @@ mpegts_parse_add_program (MpegTSParse * parse,
program = g_new0 (MpegTSParseProgram, 1);
program->program_number = program_number;
program->pmt_pid = pmt_pid;
+ program->pcr_pid = G_MAXUINT16;
program->streams = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL, (GDestroyNotify) mpegts_parse_free_stream);
program->patcount = 1;
@@ -529,6 +546,43 @@ mpegts_parse_pad_removed (GstElement * element, GstPad * pad)
tspad = (MpegTSParsePad *) gst_pad_get_element_private (pad);
mpegts_parse_destroy_tspad (parse, tspad);
+
+ if (GST_ELEMENT_CLASS (parent_class)->pad_removed)
+ GST_ELEMENT_CLASS (parent_class)->pad_removed (element, pad);
+}
+
+static GstPad *
+mpegts_parse_request_new_pad (GstElement * element, GstPadTemplate * template,
+ const gchar * unused)
+{
+ MpegTSParse *parse;
+ gchar *name;
+ GstPad *pad;
+
+ g_return_val_if_fail (template != NULL, NULL);
+ g_return_val_if_fail (GST_IS_MPEGTS_PARSE (element), NULL);
+
+ parse = GST_MPEGTS_PARSE (element);
+
+ GST_OBJECT_LOCK (element);
+ name = g_strdup_printf ("src%d", parse->req_pads++);
+ GST_OBJECT_UNLOCK (element);
+
+ pad = mpegts_parse_create_tspad (parse, name)->pad;
+ gst_pad_set_active (pad, TRUE);
+ gst_element_add_pad (element, pad);
+
+ return pad;
+}
+
+static void
+mpegts_parse_release_pad (GstElement * element, GstPad * pad)
+{
+ g_return_if_fail (GST_IS_MPEGTS_PARSE (element));
+
+ gst_pad_set_active (pad, FALSE);
+ /* we do the cleanup in GstElement::pad-removed */
+ gst_element_remove_pad (element, pad);
}
static GstFlowReturn
@@ -538,11 +592,13 @@ mpegts_parse_tspad_push (MpegTSParse * parse, MpegTSParsePad * tspad,
GstFlowReturn ret = GST_FLOW_NOT_LINKED;
GHashTable *pad_pids = NULL;
guint16 pmt_pid = G_MAXUINT16;
+ guint16 pcr_pid = G_MAXUINT16;
if (tspad->program_number != -1) {
if (tspad->program) {
pad_pids = tspad->program->streams;
pmt_pid = tspad->program->pmt_pid;
+ pcr_pid = tspad->program->pcr_pid;
} else {
/* there's a program filter on the pad but the PMT for the program has not
* been parsed yet, ignore the pad until we get a PMT */
@@ -553,13 +609,12 @@ mpegts_parse_tspad_push (MpegTSParse * parse, MpegTSParsePad * tspad,
}
/* FIXME: send all the SI pids not only PAT and PMT */
- if (pad_pids == NULL || pid == 0 || pid == pmt_pid ||
+ if (pad_pids == NULL || pid == pcr_pid || pid == pmt_pid || pid == 0 ||
g_hash_table_lookup (pad_pids, GINT_TO_POINTER ((gint) pid)) != NULL) {
/* push if there's no filter or if the pid is in the filter */
ret = gst_pad_push (tspad->pad, buffer);
} else {
gst_buffer_unref (buffer);
- /* caps don't include this pid */
if (gst_pad_is_linked (tspad->pad))
ret = GST_FLOW_OK;
}
@@ -586,15 +641,22 @@ mpegts_parse_push (MpegTSParse * parse, MpegTSPacketizerPacket * packet)
MpegTSParsePad *tspad;
guint16 pid;
GstBuffer *buffer;
- GstFlowReturn ret = GST_FLOW_OK;
+ GstFlowReturn ret;
pid = packet->pid;
buffer = packet->buffer;
+ /* we have the same caps on all the src pads */
+ gst_buffer_set_caps (buffer,
+ gst_static_pad_template_get_caps (&src_template));
GST_OBJECT_LOCK (parse);
/* clear tspad->pushed on pads */
g_list_foreach (GST_ELEMENT_CAST (parse)->srcpads,
(GFunc) pad_clear_for_push, parse);
+ if (GST_ELEMENT_CAST (parse)->srcpads)
+ ret = GST_FLOW_NOT_LINKED;
+ else
+ ret = GST_FLOW_OK;
GST_OBJECT_UNLOCK (parse);
iterator = gst_element_iterate_src_pads (GST_ELEMENT_CAST (parse));
@@ -717,6 +779,12 @@ mpegts_parse_apply_pat (MpegTSParse * parse, GValueArray * pat_info)
"program-number", &program_number, "pid", &pid, NULL);
program = mpegts_parse_get_program (parse, program_number);
+ if (program == NULL) {
+ GST_DEBUG_OBJECT (parse, "broken PAT, duplicated entry for program %d",
+ program_number);
+ continue;
+ }
+
if (--program->patcount > 0)
/* the program has been referenced by the new pat, keep it */
continue;
@@ -790,6 +858,8 @@ mpegts_parse_apply_pmt (MpegTSParse * parse,
/* activate new pmt */
program->pmt_info = pmt_info;
program->pmt_pid = pmt_pid;
+ /* FIXME: check if the pcr pid is changed */
+ program->pcr_pid = pcr_pid;
mpegts_parse_program_add_stream (parse, program, (guint16) pcr_pid, -1);
for (i = 0; i < new_streams->n_values; ++i) {
@@ -797,6 +867,7 @@ mpegts_parse_apply_pmt (MpegTSParse * parse,
stream = g_value_get_object (value);
g_object_get (stream, "pid", &pid, "stream-type", &stream_type, NULL);
+ GST_DEBUG_OBJECT (parse, "PMT program %d pid %d", program_number, pid);
mpegts_parse_program_add_stream (parse, program, (guint16) pid,
(guint8) stream_type);
}
diff --git a/gst/mpegtsparse/mpegtsparse.h b/gst/mpegtsparse/mpegtsparse.h
index e4a9df72..557520f8 100644
--- a/gst/mpegtsparse/mpegtsparse.h
+++ b/gst/mpegtsparse/mpegtsparse.h
@@ -55,6 +55,7 @@ struct _MpegTSParse {
GList *pads_to_add;
GList *pads_to_remove;
GHashTable *programs;
+ guint req_pads;
GValueArray *pat_info;
MpegTSPacketizer *packetizer;
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-06 00:12:45 +0000