--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2016 Vivia Nikolaidou <vivia@toolsonair.com>
+ *
+ * Based on gstvideoframe-audiolevel.c:
+ * Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.com>
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:element-timecodewait
+ *
+ * This element acts like a synchronized audio/video "level". It gathers
+ * all audio buffers sent between two video frames, and then sends a message
+ * that contains the RMS value of all samples for these buffers.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch-1.0 filesrc location="my_file" ! decodebin name=d ! "audio/x-raw" ! timecodewait name=l target-timecode-str="00:00:04:00" ! autoaudiosink d. ! "video/x-raw" ! timecodestamper ! l. l. ! queue ! timeoverlay time-mode=time-code ! autovideosink
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gsttimecodewait.h"
+
+#define GST_CAT_DEFAULT gst_timecodewait_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+static GstStaticPadTemplate audio_sink_template =
+GST_STATIC_PAD_TEMPLATE ("asink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw")
+ );
+
+static GstStaticPadTemplate audio_src_template =
+GST_STATIC_PAD_TEMPLATE ("asrc",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw")
+ );
+
+static GstStaticPadTemplate video_sink_template =
+GST_STATIC_PAD_TEMPLATE ("vsink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-raw")
+ );
+
+static GstStaticPadTemplate video_src_template =
+GST_STATIC_PAD_TEMPLATE ("vsrc",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("video/x-raw")
+ );
+
+#define parent_class gst_timecodewait_parent_class
+G_DEFINE_TYPE (GstTimeCodeWait, gst_timecodewait, GST_TYPE_ELEMENT);
+
+enum
+{
+ PROP_0,
+ PROP_TARGET_TIME_CODE,
+ PROP_TARGET_TIME_CODE_STRING
+};
+
+#define DEFAULT_TARGET_TIMECODE_STR "00:00:00:00"
+
+static void gst_timecodewait_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_timecodewait_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+
+static GstFlowReturn gst_timecodewait_asink_chain (GstPad * pad,
+ GstObject * parent, GstBuffer * inbuf);
+static GstFlowReturn gst_timecodewait_vsink_chain (GstPad * pad,
+ GstObject * parent, GstBuffer * inbuf);
+static gboolean gst_timecodewait_asink_event (GstPad * pad,
+ GstObject * parent, GstEvent * event);
+static gboolean gst_timecodewait_vsink_event (GstPad * pad,
+ GstObject * parent, GstEvent * event);
+static GstIterator *gst_timecodewait_iterate_internal_links (GstPad *
+ pad, GstObject * parent);
+
+static void gst_timecodewait_finalize (GObject * gobject);
+
+static GstStateChangeReturn gst_timecodewait_change_state (GstElement *
+ element, GstStateChange transition);
+
+static void
+gst_timecodewait_class_init (GstTimeCodeWaitClass * klass)
+{
+ GstElementClass *gstelement_class;
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+
+ GST_DEBUG_CATEGORY_INIT (gst_timecodewait_debug,
+ "timecodewait", 0, "timecodewait");
+
+ gstelement_class = (GstElementClass *) klass;
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "Timecode Wait", "Filter/Audio/Video",
+ "Drops all audio/video until a specific timecode has been reached",
+ "Vivia Nikolaidou <vivia@toolsonair.com>");
+
+ gobject_class->set_property = gst_timecodewait_set_property;
+ gobject_class->get_property = gst_timecodewait_get_property;
+
+ g_object_class_install_property (gobject_class, PROP_TARGET_TIME_CODE_STRING,
+ g_param_spec_string ("target-timecode-string", "Target timecode (string)",
+ "Timecode to wait for (string). Must take the form 00:00:00:00",
+ DEFAULT_TARGET_TIMECODE_STR,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_TARGET_TIME_CODE,
+ g_param_spec_boxed ("target-timecode", "Target timecode (object)",
+ "Timecode to wait for (object)",
+ GST_TYPE_VIDEO_TIME_CODE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ gobject_class->finalize = gst_timecodewait_finalize;
+ gstelement_class->change_state = gst_timecodewait_change_state;
+
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &audio_src_template);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &audio_sink_template);
+
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &video_src_template);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &video_sink_template);
+}
+
+static void
+gst_timecodewait_init (GstTimeCodeWait * self)
+{
+ self->asinkpad =
+ gst_pad_new_from_static_template (&audio_sink_template, "asink");
+ gst_pad_set_chain_function (self->asinkpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_asink_chain));
+ gst_pad_set_event_function (self->asinkpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_asink_event));
+ gst_pad_set_iterate_internal_links_function (self->asinkpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
+ gst_element_add_pad (GST_ELEMENT (self), self->asinkpad);
+
+ self->vsinkpad =
+ gst_pad_new_from_static_template (&video_sink_template, "vsink");
+ gst_pad_set_chain_function (self->vsinkpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_vsink_chain));
+ gst_pad_set_event_function (self->vsinkpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_vsink_event));
+ gst_pad_set_iterate_internal_links_function (self->vsinkpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
+ gst_element_add_pad (GST_ELEMENT (self), self->vsinkpad);
+
+ self->asrcpad =
+ gst_pad_new_from_static_template (&audio_src_template, "asrc");
+ gst_pad_set_iterate_internal_links_function (self->asrcpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
+ gst_element_add_pad (GST_ELEMENT (self), self->asrcpad);
+
+ self->vsrcpad =
+ gst_pad_new_from_static_template (&video_src_template, "vsrc");
+ gst_pad_set_iterate_internal_links_function (self->vsrcpad,
+ GST_DEBUG_FUNCPTR (gst_timecodewait_iterate_internal_links));
+ gst_element_add_pad (GST_ELEMENT (self), self->vsrcpad);
+
+ GST_PAD_SET_PROXY_CAPS (self->asinkpad);
+ GST_PAD_SET_PROXY_ALLOCATION (self->asinkpad);
+
+ GST_PAD_SET_PROXY_CAPS (self->asrcpad);
+ GST_PAD_SET_PROXY_SCHEDULING (self->asrcpad);
+
+ GST_PAD_SET_PROXY_CAPS (self->vsinkpad);
+ GST_PAD_SET_PROXY_ALLOCATION (self->vsinkpad);
+
+ GST_PAD_SET_PROXY_CAPS (self->vsrcpad);
+ GST_PAD_SET_PROXY_SCHEDULING (self->vsrcpad);
+
+ self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
+
+ self->video_eos_flag = FALSE;
+ self->audio_flush_flag = FALSE;
+ self->shutdown_flag = FALSE;
+ self->from_string = FALSE;
+ self->tc = gst_video_time_code_new_empty ();
+
+ g_mutex_init (&self->mutex);
+ g_cond_init (&self->cond);
+}
+
+static GstStateChangeReturn
+gst_timecodewait_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ g_mutex_lock (&self->mutex);
+ self->shutdown_flag = TRUE;
+ g_cond_signal (&self->cond);
+ g_mutex_unlock (&self->mutex);
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ g_mutex_lock (&self->mutex);
+ self->shutdown_flag = FALSE;
+ self->video_eos_flag = FALSE;
+ self->audio_flush_flag = FALSE;
+ g_mutex_unlock (&self->mutex);
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ g_mutex_lock (&self->mutex);
+ self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
+ gst_segment_init (&self->asegment, GST_FORMAT_UNDEFINED);
+ self->asegment.position = GST_CLOCK_TIME_NONE;
+ gst_segment_init (&self->vsegment, GST_FORMAT_UNDEFINED);
+ self->vsegment.position = GST_CLOCK_TIME_NONE;
+ g_mutex_unlock (&self->mutex);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void
+gst_timecodewait_finalize (GObject * object)
+{
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (object);
+
+ if (self->tc) {
+ gst_video_time_code_free (self->tc);
+ self->tc = NULL;
+ }
+
+ g_mutex_clear (&self->mutex);
+ g_cond_clear (&self->cond);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_timecodewait_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (object);
+
+ switch (prop_id) {
+ case PROP_TARGET_TIME_CODE_STRING:{
+ if (self->tc)
+ g_value_take_string (value, gst_video_time_code_to_string (self->tc));
+ else
+ g_value_set_string (value, DEFAULT_TARGET_TIMECODE_STR);
+ break;
+ }
+ case PROP_TARGET_TIME_CODE:{
+ g_value_set_boxed (value, self->tc);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_timecodewait_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (object);
+
+ switch (prop_id) {
+ case PROP_TARGET_TIME_CODE_STRING:{
+ gchar **parts;
+ const gchar *tc_str;
+ guint hours, minutes, seconds, frames;
+
+ tc_str = g_value_get_string (value);
+ parts = g_strsplit (tc_str, ":", 4);
+ if (!parts || parts[3] == NULL) {
+ GST_ERROR_OBJECT (self,
+ "Error: Could not parse timecode %s. Please input a timecode in the form 00:00:00:00",
+ tc_str);
+ g_strfreev (parts);
+ return;
+ }
+ hours = g_ascii_strtoll (parts[0], NULL, 10);
+ minutes = g_ascii_strtoll (parts[1], NULL, 10);
+ seconds = g_ascii_strtoll (parts[2], NULL, 10);
+ frames = g_ascii_strtoll (parts[3], NULL, 10);
+ gst_video_time_code_init (self->tc, 0, 1, NULL, 0, hours, minutes,
+ seconds, frames, 0);
+ if (self->vinfo.finfo != NULL) {
+ self->tc->config.fps_n = self->vinfo.fps_n;
+ self->tc->config.fps_d = self->vinfo.fps_d;
+ }
+ self->from_string = TRUE;
+ g_strfreev (parts);
+ break;
+ }
+ case PROP_TARGET_TIME_CODE:{
+ if (self->tc)
+ gst_video_time_code_free (self->tc);
+ self->tc = g_value_dup_boxed (value);
+ self->from_string = FALSE;
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_timecodewait_vsink_event (GstPad * pad, GstObject * parent,
+ GstEvent * event)
+{
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
+ GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_SEGMENT:
+ g_mutex_lock (&self->mutex);
+ gst_event_copy_segment (event, &self->vsegment);
+ if (self->vsegment.format != GST_FORMAT_TIME) {
+ GST_ERROR_OBJECT (self, "Invalid segment format");
+ g_mutex_unlock (&self->mutex);
+ gst_event_unref (event);
+ return FALSE;
+ }
+ self->vsegment.position = GST_CLOCK_TIME_NONE;
+ g_mutex_unlock (&self->mutex);
+ break;
+ case GST_EVENT_GAP:
+ gst_event_unref (event);
+ return TRUE;
+ case GST_EVENT_EOS:
+ g_mutex_lock (&self->mutex);
+ self->video_eos_flag = TRUE;
+ g_cond_signal (&self->cond);
+ g_mutex_unlock (&self->mutex);
+ break;
+ case GST_EVENT_FLUSH_START:
+ g_mutex_lock (&self->mutex);
+ gst_segment_init (&self->vsegment, GST_FORMAT_UNDEFINED);
+ g_cond_signal (&self->cond);
+ g_mutex_unlock (&self->mutex);
+ self->vsegment.position = GST_CLOCK_TIME_NONE;
+ break;
+ case GST_EVENT_CAPS:{
+ GstCaps *caps;
+ gst_event_parse_caps (event, &caps);
+ GST_DEBUG_OBJECT (self, "Got caps %" GST_PTR_FORMAT, caps);
+ if (!gst_video_info_from_caps (&self->vinfo, caps)) {
+ gst_event_unref (event);
+ return FALSE;
+ }
+ g_mutex_lock (&self->mutex);
+ if (self->from_string) {
+ self->tc->config.fps_n = self->vinfo.fps_n;
+ self->tc->config.fps_d = self->vinfo.fps_d;
+ }
+ g_mutex_unlock (&self->mutex);
+ break;
+ }
+ default:
+ break;
+ }
+ return gst_pad_event_default (pad, parent, event);
+}
+
+static gboolean
+gst_timecodewait_asink_event (GstPad * pad, GstObject * parent,
+ GstEvent * event)
+{
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
+ GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_SEGMENT:
+ g_mutex_lock (&self->mutex);
+ self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
+ gst_event_copy_segment (event, &self->asegment);
+ if (self->asegment.format != GST_FORMAT_TIME) {
+ GST_ERROR_OBJECT (self, "Invalid segment format");
+ g_mutex_unlock (&self->mutex);
+ return FALSE;
+ }
+ self->asegment.position = GST_CLOCK_TIME_NONE;
+ g_mutex_unlock (&self->mutex);
+ break;
+ case GST_EVENT_FLUSH_START:
+ g_mutex_lock (&self->mutex);
+ self->audio_flush_flag = TRUE;
+ g_cond_signal (&self->cond);
+ g_mutex_unlock (&self->mutex);
+ break;
+ case GST_EVENT_FLUSH_STOP:
+ g_mutex_lock (&self->mutex);
+ self->audio_flush_flag = FALSE;
+ self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
+ gst_segment_init (&self->asegment, GST_FORMAT_UNDEFINED);
+ self->asegment.position = GST_CLOCK_TIME_NONE;
+ g_mutex_unlock (&self->mutex);
+ break;
+ case GST_EVENT_CAPS:{
+ GstCaps *caps;
+ gst_event_parse_caps (event, &caps);
+ GST_DEBUG_OBJECT (self, "Got caps %" GST_PTR_FORMAT, caps);
+ g_mutex_lock (&self->mutex);
+ if (!gst_audio_info_from_caps (&self->ainfo, caps)) {
+ g_mutex_unlock (&self->mutex);
+ return FALSE;
+ }
+ self->running_time_of_timecode = GST_CLOCK_TIME_NONE;
+ g_mutex_unlock (&self->mutex);
+ break;
+ }
+ default:
+ break;
+ }
+
+ return gst_pad_event_default (pad, parent, event);
+}
+
+static GstFlowReturn
+gst_timecodewait_vsink_chain (GstPad * pad, GstObject * parent,
+ GstBuffer * inbuf)
+{
+ GstClockTime timestamp;
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
+ GstClockTime duration;
+ GstVideoTimeCode *tc = NULL;
+ GstVideoTimeCodeMeta *tc_meta;
+
+ timestamp = GST_BUFFER_TIMESTAMP (inbuf);
+ if (timestamp == GST_CLOCK_TIME_NONE) {
+ gst_buffer_unref (inbuf);
+ return GST_FLOW_ERROR;
+ }
+ g_mutex_lock (&self->mutex);
+ self->vsegment.position = timestamp;
+ duration = GST_BUFFER_DURATION (inbuf);
+ if (duration != GST_CLOCK_TIME_NONE)
+ self->vsegment.position += duration;
+ tc_meta = gst_buffer_get_video_time_code_meta (inbuf);
+ if (tc_meta)
+ tc = &tc_meta->tc;
+ if (self->tc != NULL && tc != NULL) {
+ if (gst_video_time_code_compare (tc, self->tc) < 0
+ && self->running_time_of_timecode == GST_CLOCK_TIME_NONE) {
+ GST_DEBUG_OBJECT (self, "Timecode not yet reached, ignoring frame");
+ gst_buffer_unref (inbuf);
+ inbuf = NULL;
+ } else if (self->running_time_of_timecode == GST_CLOCK_TIME_NONE) {
+ GST_INFO_OBJECT (self, "Target timecode reached at %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (self->vsegment.position));
+ self->running_time_of_timecode =
+ gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
+ self->vsegment.position);
+ }
+ }
+ g_cond_signal (&self->cond);
+ g_mutex_unlock (&self->mutex);
+ if (inbuf)
+ return gst_pad_push (self->vsrcpad, inbuf);
+ else
+ return GST_FLOW_OK;
+}
+
+/*
+ * assumes sign1 and sign2 are either 1 or -1
+ * returns 0 if sign1*num1 == sign2*num2
+ * -1 if sign1*num1 < sign2*num2
+ * 1 if sign1*num1 > sign2*num2
+ */
+static gint
+gst_timecodewait_compare_guint64_with_signs (gint sign1,
+ guint64 num1, gint sign2, guint64 num2)
+{
+ if (sign1 != sign2)
+ return sign1;
+ else if (num1 == num2)
+ return 0;
+ else
+ return num1 > num2 ? sign1 : -sign1;
+}
+
+static GstFlowReturn
+gst_timecodewait_asink_chain (GstPad * pad, GstObject * parent,
+ GstBuffer * inbuf)
+{
+ GstClockTime timestamp;
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
+ GstClockTime current_running_time;
+ GstClockTime video_running_time = GST_CLOCK_TIME_NONE;
+ GstClockTime duration;
+ GstClockTime running_time_at_end = GST_CLOCK_TIME_NONE;
+ gint asign, vsign = 1, esign = 1;
+
+ timestamp = GST_BUFFER_TIMESTAMP (inbuf);
+ if (timestamp == GST_CLOCK_TIME_NONE) {
+ gst_buffer_unref (inbuf);
+ return GST_FLOW_ERROR;
+ }
+ g_mutex_lock (&self->mutex);
+ self->asegment.position = timestamp;
+ asign =
+ gst_segment_to_running_time_full (&self->asegment, GST_FORMAT_TIME,
+ self->asegment.position, ¤t_running_time);
+ if (asign == 0) {
+ g_mutex_unlock (&self->mutex);
+ gst_buffer_unref (inbuf);
+ GST_ERROR_OBJECT (self, "Could not get current running time");
+ return GST_FLOW_ERROR;
+ }
+ if (self->vsegment.format == GST_FORMAT_TIME) {
+ vsign =
+ gst_segment_to_running_time_full (&self->vsegment, GST_FORMAT_TIME,
+ self->vsegment.position, &video_running_time);
+ if (vsign == 0) {
+ video_running_time = GST_CLOCK_TIME_NONE;
+ }
+ }
+ while (!(self->video_eos_flag || self->audio_flush_flag
+ || self->shutdown_flag) && (video_running_time == GST_CLOCK_TIME_NONE
+ || gst_timecodewait_compare_guint64_with_signs (asign,
+ current_running_time, vsign, video_running_time) == 1)
+ && self->running_time_of_timecode == GST_CLOCK_TIME_NONE) {
+ g_cond_wait (&self->cond, &self->mutex);
+ vsign =
+ gst_segment_to_running_time_full (&self->vsegment, GST_FORMAT_TIME,
+ self->vsegment.position, &video_running_time);
+ if (vsign == 0) {
+ video_running_time = GST_CLOCK_TIME_NONE;
+ }
+ }
+ if (self->audio_flush_flag || self->shutdown_flag) {
+ GST_DEBUG_OBJECT (self, "Shutting down, ignoring frame");
+ gst_buffer_unref (inbuf);
+ return GST_FLOW_FLUSHING;
+ }
+ duration = GST_BUFFER_DURATION (inbuf);
+ if (duration != GST_CLOCK_TIME_NONE) {
+ esign =
+ gst_segment_to_running_time_full (&self->asegment, GST_FORMAT_TIME,
+ self->asegment.position + duration, &running_time_at_end);
+ if (esign == 0) {
+ g_mutex_unlock (&self->mutex);
+ GST_ERROR_OBJECT (self, "Could not get running time at end");
+ gst_buffer_unref (inbuf);
+ return GST_FLOW_ERROR;
+ }
+ }
+ if (self->running_time_of_timecode == GST_CLOCK_TIME_NONE
+ || gst_timecodewait_compare_guint64_with_signs (esign,
+ running_time_at_end, 1, self->running_time_of_timecode) == -1) {
+ GST_DEBUG_OBJECT (self,
+ "Dropped an audio buf at %" GST_TIME_FORMAT " with timecode %"
+ GST_TIME_FORMAT " video timecode %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (current_running_time),
+ GST_TIME_ARGS (self->running_time_of_timecode),
+ GST_TIME_ARGS (video_running_time));
+ gst_buffer_unref (inbuf);
+ inbuf = NULL;
+ } else if (current_running_time < self->running_time_of_timecode
+ && running_time_at_end > self->running_time_of_timecode) {
+ GstSegment asegment2 = self->asegment;
+
+ gst_segment_set_running_time (&asegment2, GST_FORMAT_TIME,
+ self->running_time_of_timecode);
+ inbuf =
+ gst_audio_buffer_clip (inbuf, &asegment2, self->ainfo.rate,
+ self->ainfo.bpf);
+ }
+ g_mutex_unlock (&self->mutex);
+ if (inbuf)
+ return gst_pad_push (self->asrcpad, inbuf);
+ else
+ return GST_FLOW_OK;
+}
+
+static GstIterator *
+gst_timecodewait_iterate_internal_links (GstPad * pad, GstObject * parent)
+{
+ GstIterator *it = NULL;
+ GstPad *opad;
+ GValue val = G_VALUE_INIT;
+ GstTimeCodeWait *self = GST_TIMECODEWAIT (parent);
+
+ if (self->asinkpad == pad)
+ opad = gst_object_ref (self->asrcpad);
+ else if (self->asrcpad == pad)
+ opad = gst_object_ref (self->asinkpad);
+ else if (self->vsinkpad == pad)
+ opad = gst_object_ref (self->vsrcpad);
+ else if (self->vsrcpad == pad)
+ opad = gst_object_ref (self->vsinkpad);
+ else
+ goto out;
+
+ g_value_init (&val, GST_TYPE_PAD);
+ g_value_set_object (&val, opad);
+ it = gst_iterator_new_single (GST_TYPE_PAD, &val);
+ g_value_unset (&val);
+
+ gst_object_unref (opad);
+
+out:
+ return it;
+}
projects / platform / upstream / gstreamer.git / commitdiff