index 146d58b35b5138ee80d5d11e74d67b98af82564f..f51ca5ae7591f819f98283f030326176aaa63fd7 100644 (file)
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
-
-
-#include <stdlib.h>
+/**
+ * SECTION:element-identity
+ *
+ * Dummy element that passes incoming data through unmodified. It has some
+ * useful diagnostic functions, such as offset and timestamp checking.
+ */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+#include <stdlib.h>
+
#include "../../gst/gst-i18n-lib.h"
#include "gstidentity.h"
#include <gst/gstmarshal.h>
GST_DEBUG_CATEGORY_STATIC (gst_identity_debug);
#define GST_CAT_DEFAULT gst_identity_debug
-static GstElementDetails gst_identity_details = GST_ELEMENT_DETAILS ("Identity",
- "Generic",
- "Pass data without modification",
- "Erik Walthinsen <omega@cse.ogi.edu>");
-
-
/* Identity signals and args */
enum
{
LAST_SIGNAL
};
-#define DEFAULT_SLEEP_TIME 0
-#define DEFAULT_DUPLICATE 1
-#define DEFAULT_ERROR_AFTER -1
-#define DEFAULT_DROP_PROBABILITY 0.0
-#define DEFAULT_DATARATE 0
-#define DEFAULT_SILENT FALSE
-#define DEFAULT_SINGLE_SEGMENT FALSE
-#define DEFAULT_DUMP FALSE
-#define DEFAULT_SYNC FALSE
-#define DEFAULT_CHECK_PERFECT FALSE
+#define DEFAULT_SLEEP_TIME 0
+#define DEFAULT_DUPLICATE 1
+#define DEFAULT_ERROR_AFTER -1
+#define DEFAULT_DROP_PROBABILITY 0.0
+#define DEFAULT_DATARATE 0
+#define DEFAULT_SILENT FALSE
+#define DEFAULT_SINGLE_SEGMENT FALSE
+#define DEFAULT_DUMP FALSE
+#define DEFAULT_SYNC FALSE
+#define DEFAULT_CHECK_PERFECT FALSE
+#define DEFAULT_CHECK_IMPERFECT_TIMESTAMP FALSE
+#define DEFAULT_CHECK_IMPERFECT_OFFSET FALSE
+#define DEFAULT_SIGNAL_HANDOFFS TRUE
enum
{
PROP_LAST_MESSAGE,
PROP_DUMP,
PROP_SYNC,
- PROP_CHECK_PERFECT
+ PROP_CHECK_PERFECT,
+ PROP_CHECK_IMPERFECT_TIMESTAMP,
+ PROP_CHECK_IMPERFECT_OFFSET,
+ PROP_SIGNAL_HANDOFFS
};
static gboolean gst_identity_event (GstBaseTransform * trans, GstEvent * event);
static GstFlowReturn gst_identity_transform_ip (GstBaseTransform * trans,
GstBuffer * buf);
+static GstFlowReturn gst_identity_prepare_output_buffer (GstBaseTransform
+ * trans, GstBuffer * in_buf, gint out_size, GstCaps * out_caps,
+ GstBuffer ** out_buf);
static gboolean gst_identity_start (GstBaseTransform * trans);
static gboolean gst_identity_stop (GstBaseTransform * trans);
+static GstStateChangeReturn gst_identity_change_state (GstElement * element,
+ GstStateChange transition);
static guint gst_identity_signals[LAST_SIGNAL] = { 0 };
+static GParamSpec *pspec_last_message = NULL;
+
static void
gst_identity_base_init (gpointer g_class)
{
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+ gst_element_class_set_details_simple (gstelement_class,
+ "Identity",
+ "Generic",
+ "Pass data without modification", "Erik Walthinsen <omega@cse.ogi.edu>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&srctemplate));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sinktemplate));
- gst_element_class_set_details (gstelement_class, &gst_identity_details);
}
static void
g_free (identity->last_message);
+#if !GLIB_CHECK_VERSION(2,26,0)
+ g_static_rec_mutex_free (&identity->notify_lock);
+#endif
+
G_OBJECT_CLASS (parent_class)->finalize (object);
}
data2 = closure->data;
}
callback =
- (marshalfunc_VOID__MINIOBJECT) (marshal_data ? marshal_data : cc->
- callback);
+ (marshalfunc_VOID__MINIOBJECT) (marshal_data ? marshal_data :
+ cc->callback);
callback (data1, gst_value_get_mini_object (param_values + 1), data2);
}
gstelement_class = GST_ELEMENT_CLASS (klass);
gstbasetrans_class = GST_BASE_TRANSFORM_CLASS (klass);
- gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_identity_set_property);
- gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_identity_get_property);
+ gobject_class->set_property = gst_identity_set_property;
+ gobject_class->get_property = gst_identity_get_property;
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SLEEP_TIME,
+ g_object_class_install_property (gobject_class, PROP_SLEEP_TIME,
g_param_spec_uint ("sleep-time", "Sleep time",
"Microseconds to sleep between processing", 0, G_MAXUINT,
- DEFAULT_SLEEP_TIME, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ERROR_AFTER,
- g_param_spec_int ("error_after", "Error After", "Error after N buffers",
- G_MININT, G_MAXINT, DEFAULT_ERROR_AFTER, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass),
- PROP_DROP_PROBABILITY, g_param_spec_float ("drop_probability",
- "Drop Probability", "The Probability a buffer is dropped", 0.0, 1.0,
- DEFAULT_DROP_PROBABILITY, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DATARATE,
+ DEFAULT_SLEEP_TIME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_ERROR_AFTER,
+ g_param_spec_int ("error-after", "Error After", "Error after N buffers",
+ G_MININT, G_MAXINT, DEFAULT_ERROR_AFTER,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_DROP_PROBABILITY,
+ g_param_spec_float ("drop-probability", "Drop Probability",
+ "The Probability a buffer is dropped", 0.0, 1.0,
+ DEFAULT_DROP_PROBABILITY,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_DATARATE,
g_param_spec_int ("datarate", "Datarate",
"(Re)timestamps buffers with number of bytes per second (0 = inactive)",
- 0, G_MAXINT, DEFAULT_DATARATE, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SILENT,
+ 0, G_MAXINT, DEFAULT_DATARATE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_SILENT,
g_param_spec_boolean ("silent", "silent", "silent", DEFAULT_SILENT,
- G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SINGLE_SEGMENT,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_SINGLE_SEGMENT,
g_param_spec_boolean ("single-segment", "Single Segment",
"Timestamp buffers and eat newsegments so as to appear as one segment",
- DEFAULT_SINGLE_SEGMENT, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LAST_MESSAGE,
- g_param_spec_string ("last-message", "last-message", "last-message", NULL,
- G_PARAM_READABLE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DUMP,
- g_param_spec_boolean ("dump", "Dump", "Dump buffer contents",
- DEFAULT_DUMP, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SYNC,
+ DEFAULT_SINGLE_SEGMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ pspec_last_message = g_param_spec_string ("last-message", "last-message",
+ "last-message", NULL, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+ g_object_class_install_property (gobject_class, PROP_LAST_MESSAGE,
+ pspec_last_message);
+ g_object_class_install_property (gobject_class, PROP_DUMP,
+ g_param_spec_boolean ("dump", "Dump", "Dump buffer contents to stdout",
+ DEFAULT_DUMP, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_SYNC,
g_param_spec_boolean ("sync", "Synchronize",
- "Synchronize to pipeline clock", DEFAULT_SYNC, G_PARAM_READWRITE));
- g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CHECK_PERFECT,
+ "Synchronize to pipeline clock", DEFAULT_SYNC,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_CHECK_PERFECT,
g_param_spec_boolean ("check-perfect", "Check For Perfect Stream",
- "Verify that the stream is time- and data-contiguous",
- DEFAULT_CHECK_PERFECT, G_PARAM_READWRITE));
-
+ "Verify that the stream is time- and data-contiguous. "
+ "This only logs in the debug log. This will be deprecated in favor "
+ "of the check-imperfect-timestamp/offset properties.",
+ DEFAULT_CHECK_PERFECT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class,
+ PROP_CHECK_IMPERFECT_TIMESTAMP,
+ g_param_spec_boolean ("check-imperfect-timestamp",
+ "Check for discontiguous timestamps",
+ "Send element messages if timestamps and durations do not match up",
+ DEFAULT_CHECK_IMPERFECT_TIMESTAMP,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ g_object_class_install_property (gobject_class, PROP_CHECK_IMPERFECT_OFFSET,
+ g_param_spec_boolean ("check-imperfect-offset",
+ "Check for discontiguous offset",
+ "Send element messages if offset and offset_end do not match up",
+ DEFAULT_CHECK_IMPERFECT_OFFSET,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ /**
+ * GstIdentity:signal-handoffs
+ *
+ * If set to #TRUE, the identity will emit a handoff signal when handling a buffer.
+ * When set to #FALSE, no signal will be emited, which might improve performance.
+ *
+ * Since: 0.10.16
+ */
+ g_object_class_install_property (gobject_class, PROP_SIGNAL_HANDOFFS,
+ g_param_spec_boolean ("signal-handoffs",
+ "Signal handoffs", "Send a signal before pushing the buffer",
+ DEFAULT_SIGNAL_HANDOFFS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ /**
+ * GstIdentity::handoff:
+ * @identity: the identity instance
+ * @buffer: the buffer that just has been received
+ * @pad: the pad that received it
+ *
+ * This signal gets emitted before passing the buffer downstream.
+ */
gst_identity_signals[SIGNAL_HANDOFF] =
g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstIdentityClass, handoff), NULL, NULL,
marshal_VOID__MINIOBJECT, G_TYPE_NONE, 1, GST_TYPE_BUFFER);
- gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_identity_finalize);
+ gobject_class->finalize = gst_identity_finalize;
+
+ gstelement_class->change_state =
+ GST_DEBUG_FUNCPTR (gst_identity_change_state);
gstbasetrans_class->event = GST_DEBUG_FUNCPTR (gst_identity_event);
gstbasetrans_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_identity_transform_ip);
+ gstbasetrans_class->prepare_output_buffer =
+ GST_DEBUG_FUNCPTR (gst_identity_prepare_output_buffer);
gstbasetrans_class->start = GST_DEBUG_FUNCPTR (gst_identity_start);
gstbasetrans_class->stop = GST_DEBUG_FUNCPTR (gst_identity_stop);
}
static void
gst_identity_init (GstIdentity * identity, GstIdentityClass * g_class)
{
- gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (identity), TRUE);
-
identity->sleep_time = DEFAULT_SLEEP_TIME;
identity->error_after = DEFAULT_ERROR_AFTER;
identity->drop_probability = DEFAULT_DROP_PROBABILITY;
identity->single_segment = DEFAULT_SINGLE_SEGMENT;
identity->sync = DEFAULT_SYNC;
identity->check_perfect = DEFAULT_CHECK_PERFECT;
+ identity->check_imperfect_timestamp = DEFAULT_CHECK_IMPERFECT_TIMESTAMP;
+ identity->check_imperfect_offset = DEFAULT_CHECK_IMPERFECT_OFFSET;
identity->dump = DEFAULT_DUMP;
identity->last_message = NULL;
+ identity->signal_handoffs = DEFAULT_SIGNAL_HANDOFFS;
+
+#if !GLIB_CHECK_VERSION(2,26,0)
+ g_static_rec_mutex_init (&identity->notify_lock);
+#endif
+
+ gst_base_transform_set_gap_aware (GST_BASE_TRANSFORM_CAST (identity), TRUE);
+}
+
+static void
+gst_identity_notify_last_message (GstIdentity * identity)
+{
+ /* FIXME: this hacks around a bug in GLib/GObject: doing concurrent
+ * g_object_notify() on the same object might lead to crashes, see
+ * http://bugzilla.gnome.org/show_bug.cgi?id=166020#c60 and follow-ups.
+ * So we really don't want to do a g_object_notify() here for out-of-band
+ * events with the streaming thread possibly also doing a g_object_notify()
+ * for an in-band buffer or event. This is fixed in GLib >= 2.26 */
+#if !GLIB_CHECK_VERSION(2,26,0)
+ g_static_rec_mutex_lock (&identity->notify_lock);
+ g_object_notify ((GObject *) identity, "last-message");
+ g_static_rec_mutex_unlock (&identity->notify_lock);
+#else
+ g_object_notify_by_pspec ((GObject *) identity, pspec_last_message);
+#endif
}
static gboolean
g_free (sstr);
GST_OBJECT_UNLOCK (identity);
- g_object_notify (G_OBJECT (identity), "last_message");
+ gst_identity_notify_last_message (identity);
}
if (identity->single_segment
/* This is the first newsegment, send out a (0, -1) newsegment */
news = gst_event_new_new_segment (TRUE, 1.0, format, 0, -1, 0);
- if (!(gst_pad_event_default (trans->sinkpad, news)))
- return FALSE;
+ gst_pad_event_default (trans->sinkpad, news);
}
}
- GST_BASE_TRANSFORM_CLASS (parent_class)->event (trans, event);
+ /* Reset previous timestamp, duration and offsets on NEWSEGMENT
+ * to prevent false warnings when checking for perfect streams */
+ if (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT) {
+ identity->prev_timestamp = identity->prev_duration = GST_CLOCK_TIME_NONE;
+ identity->prev_offset = identity->prev_offset_end = GST_BUFFER_OFFSET_NONE;
+ }
+
+ ret = parent_class->event (trans, event);
+
+ if (GST_EVENT_TYPE (event) == GST_EVENT_FLUSH_START) {
+ GST_OBJECT_LOCK (identity);
+ if (identity->clock_id) {
+ GST_DEBUG_OBJECT (identity, "unlock clock wait");
+ gst_clock_id_unschedule (identity->clock_id);
+ gst_clock_id_unref (identity->clock_id);
+ identity->clock_id = NULL;
+ }
+ GST_OBJECT_UNLOCK (identity);
+ }
if (identity->single_segment
&& (GST_EVENT_TYPE (event) == GST_EVENT_NEWSEGMENT)) {
return ret;
}
+static GstFlowReturn
+gst_identity_prepare_output_buffer (GstBaseTransform * trans,
+ GstBuffer * in_buf, gint out_size, GstCaps * out_caps, GstBuffer ** out_buf)
+{
+ GstIdentity *identity = GST_IDENTITY (trans);
+
+ /* only bother if we may have to alter metadata */
+ if (identity->datarate > 0 || identity->single_segment) {
+ if (gst_buffer_is_metadata_writable (in_buf))
+ *out_buf = gst_buffer_ref (in_buf);
+ else {
+ /* make even less writable */
+ gst_buffer_ref (in_buf);
+ /* extra ref is dropped going through the official process */
+ *out_buf = gst_buffer_make_metadata_writable (in_buf);
+ }
+ } else
+ *out_buf = gst_buffer_ref (in_buf);
+
+ return GST_FLOW_OK;
+}
+
static void
gst_identity_check_perfect (GstIdentity * identity, GstBuffer * buf)
{
/* invalid timestamp drops us out of check. FIXME: maybe warn ? */
if (timestamp != GST_CLOCK_TIME_NONE) {
/* check if we had a previous buffer to compare to */
- if (identity->prev_timestamp != GST_CLOCK_TIME_NONE) {
- guint64 offset;
-
- if (identity->prev_timestamp + identity->prev_duration != timestamp) {
+ if (identity->prev_timestamp != GST_CLOCK_TIME_NONE &&
+ identity->prev_duration != GST_CLOCK_TIME_NONE) {
+ guint64 offset, t_expected;
+ gint64 dt;
+
+ t_expected = identity->prev_timestamp + identity->prev_duration;
+ dt = timestamp - t_expected;
+ if (dt != 0) {
GST_WARNING_OBJECT (identity,
"Buffer not time-contiguous with previous one: " "prev ts %"
GST_TIME_FORMAT ", prev dur %" GST_TIME_FORMAT ", new ts %"
- GST_TIME_FORMAT, GST_TIME_ARGS (identity->prev_timestamp),
- GST_TIME_ARGS (identity->prev_duration), GST_TIME_ARGS (timestamp));
+ GST_TIME_FORMAT " (expected ts %" GST_TIME_FORMAT ", delta=%c%"
+ GST_TIME_FORMAT ")", GST_TIME_ARGS (identity->prev_timestamp),
+ GST_TIME_ARGS (identity->prev_duration), GST_TIME_ARGS (timestamp),
+ GST_TIME_ARGS (t_expected), (dt < 0) ? '-' : '+',
+ GST_TIME_ARGS ((dt < 0) ? (GstClockTime) (-dt) : dt));
}
offset = GST_BUFFER_OFFSET (buf);
- if (identity->prev_offset_end != offset) {
+ if (identity->prev_offset_end != offset &&
+ identity->prev_offset_end != GST_BUFFER_OFFSET_NONE &&
+ offset != GST_BUFFER_OFFSET_NONE) {
GST_WARNING_OBJECT (identity,
"Buffer not data-contiguous with previous one: "
"prev offset_end %" G_GINT64_FORMAT ", new offset %"
G_GINT64_FORMAT, identity->prev_offset_end, offset);
}
+ } else {
+ GST_DEBUG_OBJECT (identity, "can't check time-contiguity, no timestamp "
+ "and/or duration were set on previous buffer");
+ }
+ }
+}
+
+static void
+gst_identity_check_imperfect_timestamp (GstIdentity * identity, GstBuffer * buf)
+{
+ GstClockTime timestamp = GST_BUFFER_TIMESTAMP (buf);
+
+ /* invalid timestamp drops us out of check. FIXME: maybe warn ? */
+ if (timestamp != GST_CLOCK_TIME_NONE) {
+ /* check if we had a previous buffer to compare to */
+ if (identity->prev_timestamp != GST_CLOCK_TIME_NONE &&
+ identity->prev_duration != GST_CLOCK_TIME_NONE) {
+ GstClockTime t_expected;
+ GstClockTimeDiff dt;
+
+ t_expected = identity->prev_timestamp + identity->prev_duration;
+ dt = GST_CLOCK_DIFF (t_expected, timestamp);
+ if (dt != 0) {
+ /*
+ * "imperfect-timestamp" bus message:
+ * @identity: the identity instance
+ * @prev-timestamp: the previous buffer timestamp
+ * @prev-duration: the previous buffer duration
+ * @prev-offset: the previous buffer offset
+ * @prev-offset-end: the previous buffer offset end
+ * @cur-timestamp: the current buffer timestamp
+ * @cur-duration: the current buffer duration
+ * @cur-offset: the current buffer offset
+ * @cur-offset-end: the current buffer offset end
+ *
+ * This bus message gets emitted if the check-imperfect-timestamp
+ * property is set and there is a gap in time between the
+ * last buffer and the newly received buffer.
+ */
+ gst_element_post_message (GST_ELEMENT (identity),
+ gst_message_new_element (GST_OBJECT (identity),
+ gst_structure_new ("imperfect-timestamp",
+ "prev-timestamp", G_TYPE_UINT64,
+ identity->prev_timestamp, "prev-duration", G_TYPE_UINT64,
+ identity->prev_duration, "prev-offset", G_TYPE_UINT64,
+ identity->prev_offset, "prev-offset-end", G_TYPE_UINT64,
+ identity->prev_offset_end, "cur-timestamp", G_TYPE_UINT64,
+ timestamp, "cur-duration", G_TYPE_UINT64,
+ GST_BUFFER_DURATION (buf), "cur-offset", G_TYPE_UINT64,
+ GST_BUFFER_OFFSET (buf), "cur-offset-end", G_TYPE_UINT64,
+ GST_BUFFER_OFFSET_END (buf), NULL)));
+ }
+ } else {
+ GST_DEBUG_OBJECT (identity, "can't check data-contiguity, no "
+ "offset_end was set on previous buffer");
}
- /* update prev values */
- identity->prev_timestamp = timestamp;
- identity->prev_duration = GST_BUFFER_DURATION (buf);
- identity->prev_offset_end = GST_BUFFER_OFFSET_END (buf);
}
}
+static void
+gst_identity_check_imperfect_offset (GstIdentity * identity, GstBuffer * buf)
+{
+ guint64 offset;
+
+ offset = GST_BUFFER_OFFSET (buf);
+
+ if (identity->prev_offset_end != offset &&
+ identity->prev_offset_end != GST_BUFFER_OFFSET_NONE &&
+ offset != GST_BUFFER_OFFSET_NONE) {
+ /*
+ * "imperfect-offset" bus message:
+ * @identity: the identity instance
+ * @prev-timestamp: the previous buffer timestamp
+ * @prev-duration: the previous buffer duration
+ * @prev-offset: the previous buffer offset
+ * @prev-offset-end: the previous buffer offset end
+ * @cur-timestamp: the current buffer timestamp
+ * @cur-duration: the current buffer duration
+ * @cur-offset: the current buffer offset
+ * @cur-offset-end: the current buffer offset end
+ *
+ * This bus message gets emitted if the check-imperfect-offset
+ * property is set and there is a gap in offsets between the
+ * last buffer and the newly received buffer.
+ */
+ gst_element_post_message (GST_ELEMENT (identity),
+ gst_message_new_element (GST_OBJECT (identity),
+ gst_structure_new ("imperfect-offset", "prev-timestamp",
+ G_TYPE_UINT64, identity->prev_timestamp, "prev-duration",
+ G_TYPE_UINT64, identity->prev_duration, "prev-offset",
+ G_TYPE_UINT64, identity->prev_offset, "prev-offset-end",
+ G_TYPE_UINT64, identity->prev_offset_end, "cur-timestamp",
+ G_TYPE_UINT64, GST_BUFFER_TIMESTAMP (buf), "cur-duration",
+ G_TYPE_UINT64, GST_BUFFER_DURATION (buf), "cur-offset",
+ G_TYPE_UINT64, GST_BUFFER_OFFSET (buf), "cur-offset-end",
+ G_TYPE_UINT64, GST_BUFFER_OFFSET_END (buf), NULL)));
+ } else {
+ GST_DEBUG_OBJECT (identity, "can't check offset contiguity, no offset "
+ "and/or offset_end were set on previous buffer");
+ }
+}
+
+static const gchar *
+print_pretty_time (gchar * ts_str, gsize ts_str_len, GstClockTime ts)
+{
+ if (ts == GST_CLOCK_TIME_NONE)
+ return "none";
+
+ g_snprintf (ts_str, ts_str_len, "%" GST_TIME_FORMAT, GST_TIME_ARGS (ts));
+ return ts_str;
+}
+
+static void
+gst_identity_update_last_message_for_buffer (GstIdentity * identity,
+ const gchar * action, GstBuffer * buf)
+{
+ gchar ts_str[64], dur_str[64];
+
+ GST_OBJECT_LOCK (identity);
+
+ g_free (identity->last_message);
+ identity->last_message = g_strdup_printf ("%s ******* (%s:%s)i "
+ "(%u bytes, timestamp: %s, duration: %s, offset: %" G_GINT64_FORMAT ", "
+ "offset_end: % " G_GINT64_FORMAT ", flags: %d) %p", action,
+ GST_DEBUG_PAD_NAME (GST_BASE_TRANSFORM_CAST (identity)->sinkpad),
+ GST_BUFFER_SIZE (buf),
+ print_pretty_time (ts_str, sizeof (ts_str), GST_BUFFER_TIMESTAMP (buf)),
+ print_pretty_time (dur_str, sizeof (dur_str), GST_BUFFER_DURATION (buf)),
+ GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
+ GST_BUFFER_FLAGS (buf), buf);
+
+ GST_OBJECT_UNLOCK (identity);
+
+ gst_identity_notify_last_message (identity);
+}
+
static GstFlowReturn
gst_identity_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
GstFlowReturn ret = GST_FLOW_OK;
GstIdentity *identity = GST_IDENTITY (trans);
- GstClockTime runtimestamp = 0LL;
+ GstClockTime runtimestamp = G_GINT64_CONSTANT (0);
if (identity->check_perfect)
gst_identity_check_perfect (identity, buf);
+ if (identity->check_imperfect_timestamp)
+ gst_identity_check_imperfect_timestamp (identity, buf);
+ if (identity->check_imperfect_offset)
+ gst_identity_check_imperfect_offset (identity, buf);
+
+ /* update prev values */
+ identity->prev_timestamp = GST_BUFFER_TIMESTAMP (buf);
+ identity->prev_duration = GST_BUFFER_DURATION (buf);
+ identity->prev_offset_end = GST_BUFFER_OFFSET_END (buf);
+ identity->prev_offset = GST_BUFFER_OFFSET (buf);
if (identity->error_after >= 0) {
identity->error_after--;
if (identity->drop_probability > 0.0) {
if ((gfloat) (1.0 * rand () / (RAND_MAX)) < identity->drop_probability) {
- GST_OBJECT_LOCK (identity);
- g_free (identity->last_message);
- identity->last_message =
- g_strdup_printf ("dropping ******* (%s:%s)i (%d bytes, timestamp: %"
- GST_TIME_FORMAT ", duration: %" GST_TIME_FORMAT ", offset: %"
- G_GINT64_FORMAT ", offset_end: % " G_GINT64_FORMAT ", flags: %d) %p",
- GST_DEBUG_PAD_NAME (trans->sinkpad), GST_BUFFER_SIZE (buf),
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
- GST_TIME_ARGS (GST_BUFFER_DURATION (buf)),
- GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
- GST_BUFFER_FLAGS (buf), buf);
- GST_OBJECT_UNLOCK (identity);
- g_object_notify (G_OBJECT (identity), "last-message");
- return GST_FLOW_OK;
+ if (!identity->silent) {
+ gst_identity_update_last_message_for_buffer (identity, "dropping", buf);
+ }
+ /* return DROPPED to basetransform. */
+ return GST_BASE_TRANSFORM_FLOW_DROPPED;
}
}
}
if (!identity->silent) {
- GST_OBJECT_LOCK (identity);
- g_free (identity->last_message);
- identity->last_message =
- g_strdup_printf ("chain ******* (%s:%s)i (%d bytes, timestamp: %"
- GST_TIME_FORMAT ", duration: %" GST_TIME_FORMAT ", offset: %"
- G_GINT64_FORMAT ", offset_end: % " G_GINT64_FORMAT ", flags: %d) %p",
- GST_DEBUG_PAD_NAME (trans->sinkpad), GST_BUFFER_SIZE (buf),
- GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (buf)),
- GST_TIME_ARGS (GST_BUFFER_DURATION (buf)),
- GST_BUFFER_OFFSET (buf), GST_BUFFER_OFFSET_END (buf),
- GST_BUFFER_FLAGS (buf), buf);
- GST_OBJECT_UNLOCK (identity);
- g_object_notify (G_OBJECT (identity), "last-message");
+ gst_identity_update_last_message_for_buffer (identity, "chain", buf);
}
if (identity->datarate > 0) {
- GstClockTime time = identity->offset * GST_SECOND / identity->datarate;
+ GstClockTime time = gst_util_uint64_scale_int (identity->offset,
+ GST_SECOND, identity->datarate);
GST_BUFFER_TIMESTAMP (buf) = time;
GST_BUFFER_DURATION (buf) =
GST_BUFFER_SIZE (buf) * GST_SECOND / identity->datarate;
}
- g_signal_emit (G_OBJECT (identity), gst_identity_signals[SIGNAL_HANDOFF], 0,
- buf);
+ if (identity->signal_handoffs)
+ g_signal_emit (identity, gst_identity_signals[SIGNAL_HANDOFF], 0, buf);
if (trans->segment.format == GST_FORMAT_TIME)
runtimestamp = gst_segment_to_running_time (&trans->segment,
timestamp = runtimestamp + GST_ELEMENT (identity)->base_time;
/* save id if we need to unlock */
- /* FIXME: actually unlock this somewhere in the state changes */
identity->clock_id = gst_clock_new_single_shot_id (clock, timestamp);
GST_OBJECT_UNLOCK (identity);
g_usleep (identity->sleep_time);
if (identity->single_segment && (trans->segment.format == GST_FORMAT_TIME)
- && (ret == GST_FLOW_OK))
+ && (ret == GST_FLOW_OK)) {
GST_BUFFER_TIMESTAMP (buf) = runtimestamp;
+ GST_BUFFER_OFFSET (buf) = GST_CLOCK_TIME_NONE;
+ GST_BUFFER_OFFSET_END (buf) = GST_CLOCK_TIME_NONE;
+ }
return ret;
}
case PROP_CHECK_PERFECT:
identity->check_perfect = g_value_get_boolean (value);
break;
+ case PROP_CHECK_IMPERFECT_TIMESTAMP:
+ identity->check_imperfect_timestamp = g_value_get_boolean (value);
+ break;
+ case PROP_CHECK_IMPERFECT_OFFSET:
+ identity->check_imperfect_offset = g_value_get_boolean (value);
+ break;
+ case PROP_SIGNAL_HANDOFFS:
+ identity->signal_handoffs = g_value_get_boolean (value);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case PROP_CHECK_PERFECT:
g_value_set_boolean (value, identity->check_perfect);
break;
+ case PROP_CHECK_IMPERFECT_TIMESTAMP:
+ g_value_set_boolean (value, identity->check_imperfect_timestamp);
+ break;
+ case PROP_CHECK_IMPERFECT_OFFSET:
+ g_value_set_boolean (value, identity->check_imperfect_offset);
+ break;
+ case PROP_SIGNAL_HANDOFFS:
+ g_value_set_boolean (value, identity->signal_handoffs);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
identity->offset = 0;
identity->prev_timestamp = GST_CLOCK_TIME_NONE;
identity->prev_duration = GST_CLOCK_TIME_NONE;
- identity->prev_offset_end = -1;
+ identity->prev_offset_end = GST_BUFFER_OFFSET_NONE;
+ identity->prev_offset = GST_BUFFER_OFFSET_NONE;
return TRUE;
}
return TRUE;
}
+
+static GstStateChangeReturn
+gst_identity_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstIdentity *identity = GST_IDENTITY (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ GST_OBJECT_LOCK (identity);
+ if (identity->clock_id) {
+ GST_DEBUG_OBJECT (identity, "unlock clock wait");
+ gst_clock_id_unschedule (identity->clock_id);
+ gst_clock_id_unref (identity->clock_id);
+ identity->clock_id = NULL;
+ }
+ GST_OBJECT_UNLOCK (identity);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}