plugin_LTLIBRARIES = libgsttimecode.la
-libgsttimecode_la_SOURCES = plugin.c gsttimecodestamper.c gsttimecodewait.c
+libgsttimecode_la_SOURCES = plugin.c gsttimecodestamper.c gstavwait.c
libgsttimecode_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
libgsttimecode_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) -lgstaudio-$(GST_API_VERSION) $(GST_BASE_LIBS) $(GST_LIBS) $(LIBM)
libgsttimecode_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgsttimecode_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
-noinst_HEADERS = gsttimecodestamper.h gsttimecodewait.h
+noinst_HEADERS = gsttimecodestamper.h gstavwait.h
--- /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-avwait
+ *
+ * This element will drop all buffers until a specific timecode or running
+ * time has been reached. It will then pass-through both audio and video,
+ * starting from that specific timecode or running time, making sure that
+ * audio starts as early as possible after the video (or at the same time as
+ * the video). In the "audio-after-video" mode, it only drops audio buffers
+ * until video has started.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch-1.0 filesrc location="my_file" ! decodebin name=d ! "audio/x-raw" ! avwait 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 "gstavwait.h"
+
+#define GST_CAT_DEFAULT gst_avwait_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_avwait_parent_class
+G_DEFINE_TYPE (GstAvWait, gst_avwait, GST_TYPE_ELEMENT);
+
+enum
+{
+ PROP_0,
+ PROP_TARGET_TIME_CODE,
+ PROP_TARGET_TIME_CODE_STRING,
+ PROP_TARGET_RUNNING_TIME,
+ PROP_MODE
+};
+
+#define DEFAULT_TARGET_TIMECODE_STR "00:00:00:00"
+#define DEFAULT_TARGET_RUNNING_TIME GST_CLOCK_TIME_NONE
+#define DEFAULT_MODE MODE_TIMECODE
+
+static void gst_avwait_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_avwait_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+
+static GstFlowReturn gst_avwait_asink_chain (GstPad * pad,
+ GstObject * parent, GstBuffer * inbuf);
+static GstFlowReturn gst_avwait_vsink_chain (GstPad * pad,
+ GstObject * parent, GstBuffer * inbuf);
+static gboolean gst_avwait_asink_event (GstPad * pad,
+ GstObject * parent, GstEvent * event);
+static gboolean gst_avwait_vsink_event (GstPad * pad,
+ GstObject * parent, GstEvent * event);
+static GstIterator *gst_avwait_iterate_internal_links (GstPad *
+ pad, GstObject * parent);
+
+static void gst_avwait_finalize (GObject * gobject);
+
+static GstStateChangeReturn gst_avwait_change_state (GstElement *
+ element, GstStateChange transition);
+
+static GType
+gst_avwait_mode_get_type (void)
+{
+ static GType gtype = 0;
+
+ if (gtype == 0) {
+ static const GEnumValue values[] = {
+ {MODE_TIMECODE, "time code (default)", "timecode"},
+ {MODE_RUNNING_TIME, "running time", "running-time"},
+ {MODE_VIDEO_FIRST, "video first", "video-first"},
+ {0, NULL, NULL}
+ };
+
+ gtype = g_enum_register_static ("GstAvWaitMode", values);
+ }
+ return gtype;
+}
+
+static void
+gst_avwait_class_init (GstAvWaitClass * klass)
+{
+ GstElementClass *gstelement_class;
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+
+ GST_DEBUG_CATEGORY_INIT (gst_avwait_debug, "avwait", 0, "avwait");
+
+ 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 or running time has been reached",
+ "Vivia Nikolaidou <vivia@toolsonair.com>");
+
+ gobject_class->set_property = gst_avwait_set_property;
+ gobject_class->get_property = gst_avwait_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 in timecode mode (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 in timecode mode (object)",
+ GST_TYPE_VIDEO_TIME_CODE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_TARGET_RUNNING_TIME,
+ g_param_spec_uint64 ("target-running-time", "Target running time",
+ "Running time to wait for in running-time mode",
+ 0, G_MAXUINT64,
+ DEFAULT_TARGET_RUNNING_TIME,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class, PROP_MODE,
+ g_param_spec_enum ("mode", "Mode",
+ "Operation mode: What to wait for",
+ GST_TYPE_AVWAIT_MODE,
+ DEFAULT_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+ gobject_class->finalize = gst_avwait_finalize;
+ gstelement_class->change_state = gst_avwait_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_avwait_init (GstAvWait * self)
+{
+ self->asinkpad =
+ gst_pad_new_from_static_template (&audio_sink_template, "asink");
+ gst_pad_set_chain_function (self->asinkpad,
+ GST_DEBUG_FUNCPTR (gst_avwait_asink_chain));
+ gst_pad_set_event_function (self->asinkpad,
+ GST_DEBUG_FUNCPTR (gst_avwait_asink_event));
+ gst_pad_set_iterate_internal_links_function (self->asinkpad,
+ GST_DEBUG_FUNCPTR (gst_avwait_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_avwait_vsink_chain));
+ gst_pad_set_event_function (self->vsinkpad,
+ GST_DEBUG_FUNCPTR (gst_avwait_vsink_event));
+ gst_pad_set_iterate_internal_links_function (self->vsinkpad,
+ GST_DEBUG_FUNCPTR (gst_avwait_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_avwait_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_avwait_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_to_wait_for = 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 ();
+
+ self->target_running_time = DEFAULT_TARGET_RUNNING_TIME;
+ self->mode = DEFAULT_MODE;
+
+ g_mutex_init (&self->mutex);
+ g_cond_init (&self->cond);
+}
+
+static GstStateChangeReturn
+gst_avwait_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstAvWait *self = GST_AVWAIT (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);
+ if (self->mode != MODE_RUNNING_TIME) {
+ GST_DEBUG_OBJECT (self, "First time reset in paused to ready");
+ self->running_time_to_wait_for = 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_avwait_finalize (GObject * object)
+{
+ GstAvWait *self = GST_AVWAIT (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_avwait_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstAvWait *self = GST_AVWAIT (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;
+ }
+ case PROP_TARGET_RUNNING_TIME:{
+ g_value_set_uint64 (value, self->target_running_time);
+ break;
+ }
+ case PROP_MODE:{
+ g_value_set_enum (value, self->mode);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_avwait_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstAvWait *self = GST_AVWAIT (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;
+ }
+ case PROP_TARGET_RUNNING_TIME:{
+ self->target_running_time = g_value_get_uint64 (value);
+ if (self->mode == MODE_RUNNING_TIME) {
+ self->running_time_to_wait_for = self->target_running_time;
+ }
+ break;
+ }
+ case PROP_MODE:{
+ GstAvWaitMode old_mode = self->mode;
+ self->mode = g_value_get_enum (value);
+ if (self->mode == MODE_RUNNING_TIME) {
+ self->running_time_to_wait_for = self->target_running_time;
+ } else if (self->mode != old_mode) {
+ GST_DEBUG_OBJECT (self, "First time reset in settings");
+ self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
+ }
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+gst_avwait_vsink_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+ GstAvWait *self = GST_AVWAIT (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;
+ }
+ if (self->mode != MODE_RUNNING_TIME) {
+ GST_DEBUG_OBJECT (self, "First time reset in video segment");
+ self->running_time_to_wait_for = GST_CLOCK_TIME_NONE;
+ }
+ 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_STOP:
+ g_mutex_lock (&self->mutex);
+ if (self->mode != MODE_RUNNING_TIME) {
+ GST_DEBUG_OBJECT (self, "First time reset in video segment");
+ self->running_time_to_wait_for = 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;
+ 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_avwait_asink_event (GstPad * pad, GstObject * parent, GstEvent * event)
+{
+ GstAvWait *self = GST_AVWAIT (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->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;
+ 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;
+ }
+ g_mutex_unlock (&self->mutex);
+ break;
+ }
+ default:
+ break;
+ }
+
+ return gst_pad_event_default (pad, parent, event);
+}
+
+static GstFlowReturn
+gst_avwait_vsink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
+{
+ GstClockTime timestamp;
+ GstAvWait *self = GST_AVWAIT (parent);
+
+ 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;
+ switch (self->mode) {
+ case MODE_TIMECODE:{
+ GstVideoTimeCode *tc = NULL;
+ GstVideoTimeCodeMeta *tc_meta;
+
+ 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_to_wait_for == 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_to_wait_for == GST_CLOCK_TIME_NONE) {
+ GST_INFO_OBJECT (self, "Target timecode reached at %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (self->vsegment.position));
+ self->running_time_to_wait_for =
+ gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
+ self->vsegment.position);
+ }
+ }
+ break;
+ }
+ case MODE_RUNNING_TIME:{
+ GstClockTime running_time =
+ gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
+ self->vsegment.position);
+ if (running_time < self->running_time_to_wait_for) {
+ GST_DEBUG_OBJECT (self,
+ "Have %" GST_TIME_FORMAT ", waiting for %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (running_time),
+ GST_TIME_ARGS (self->running_time_to_wait_for));
+ gst_buffer_unref (inbuf);
+ inbuf = NULL;
+ } else {
+ GST_INFO_OBJECT (self,
+ "Have %" GST_TIME_FORMAT ", waiting for %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (running_time),
+ GST_TIME_ARGS (self->running_time_to_wait_for));
+ }
+ break;
+ }
+ case MODE_VIDEO_FIRST:{
+ if (self->running_time_to_wait_for == GST_CLOCK_TIME_NONE) {
+ self->running_time_to_wait_for =
+ gst_segment_to_running_time (&self->vsegment, GST_FORMAT_TIME,
+ self->vsegment.position);
+ GST_DEBUG_OBJECT (self, "First video running time is %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (self->running_time_to_wait_for));
+ }
+ break;
+ }
+ }
+ 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_avwait_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_avwait_asink_chain (GstPad * pad, GstObject * parent, GstBuffer * inbuf)
+{
+ GstClockTime timestamp;
+ GstAvWait *self = GST_AVWAIT (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_avwait_compare_guint64_with_signs (asign,
+ current_running_time, vsign, video_running_time) == 1
+ || self->running_time_to_wait_for == 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_util_uint64_scale (gst_buffer_get_size (inbuf) / self->ainfo.bpf,
+ GST_SECOND, self->ainfo.rate);
+ 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_to_wait_for == GST_CLOCK_TIME_NONE
+ || gst_avwait_compare_guint64_with_signs (esign,
+ running_time_at_end, 1, self->running_time_to_wait_for) == -1) {
+ GST_DEBUG_OBJECT (self,
+ "Dropped an audio buf at %" GST_TIME_FORMAT " waiting for %"
+ GST_TIME_FORMAT " video time %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (current_running_time),
+ GST_TIME_ARGS (self->running_time_to_wait_for),
+ GST_TIME_ARGS (video_running_time));
+ GST_DEBUG_OBJECT (self, "Would have ended at %i %" GST_TIME_FORMAT,
+ esign, GST_TIME_ARGS (running_time_at_end));
+ gst_buffer_unref (inbuf);
+ inbuf = NULL;
+ } else {
+ GstSegment asegment2 = self->asegment;
+
+ gst_segment_set_running_time (&asegment2, GST_FORMAT_TIME,
+ self->running_time_to_wait_for);
+ 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_avwait_iterate_internal_links (GstPad * pad, GstObject * parent)
+{
+ GstIterator *it = NULL;
+ GstPad *opad;
+ GValue val = G_VALUE_INIT;
+ GstAvWait *self = GST_AVWAIT (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;
+}
--- /dev/null
+/*
+ * GStreamer
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef __GST_AVWAIT_H__
+#define __GST_AVWAIT_H__
+
+#include <gst/gst.h>
+#include <gst/audio/audio.h>
+#include <gst/video/video.h>
+
+G_BEGIN_DECLS
+#define GST_TYPE_AVWAIT (gst_avwait_get_type())
+#define GST_AVWAIT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AVWAIT,GstAvWait))
+#define GST_IS_AVWAIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AVWAIT))
+#define GST_AVWAIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AVWAIT,GstAvWaitClass))
+#define GST_IS_AVWAIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AVWAIT))
+#define GST_AVWAIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AVWAIT,GstAvWaitClass))
+#define GST_TYPE_AVWAIT_MODE (gst_avwait_mode_get_type ())
+typedef struct _GstAvWait GstAvWait;
+typedef struct _GstAvWaitClass GstAvWaitClass;
+
+typedef enum
+{
+ MODE_TIMECODE,
+ MODE_RUNNING_TIME,
+ MODE_VIDEO_FIRST
+} GstAvWaitMode;
+
+struct _GstAvWait
+{
+ GstElement parent;
+
+ GstVideoTimeCode *tc;
+ gboolean from_string;
+ GstClockTime target_running_time;
+ GstAvWaitMode mode;
+
+ GstPad *asrcpad, *asinkpad, *vsrcpad, *vsinkpad;
+
+ GstAudioInfo ainfo;
+ GstVideoInfo vinfo;
+
+ GstSegment asegment, vsegment;
+
+ GstClockTime running_time_to_wait_for;
+
+ gboolean video_eos_flag;
+ gboolean audio_flush_flag;
+ gboolean shutdown_flag;
+
+ GCond cond;
+ GMutex mutex;
+};
+
+struct _GstAvWaitClass
+{
+ GstElementClass parent_class;
+};
+
+GType gst_avwait_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_AVWAIT_H__ */
+++ /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;
-}
+++ /dev/null
-/*
- * GStreamer
- * Copyright (C) 2016 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.
- */
-
-#ifndef __GST_TIMECODEWAIT_H__
-#define __GST_TIMECODEWAIT_H__
-
-#include <gst/gst.h>
-#include <gst/audio/audio.h>
-#include <gst/video/video.h>
-
-G_BEGIN_DECLS
-#define GST_TYPE_TIMECODEWAIT (gst_timecodewait_get_type())
-#define GST_TIMECODEWAIT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIMECODEWAIT,GstTimeCodeWait))
-#define GST_IS_TIMECODEWAIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIMECODEWAIT))
-#define GST_TIMECODEWAIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_TIMECODEWAIT,GstTimeCodeWaitClass))
-#define GST_IS_TIMECODEWAIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_TIMECODEWAIT))
-#define GST_TIMECODEWAIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_TIMECODEWAIT,GstTimeCodeWaitClass))
-typedef struct _GstTimeCodeWait GstTimeCodeWait;
-typedef struct _GstTimeCodeWaitClass GstTimeCodeWaitClass;
-
-struct _GstTimeCodeWait
-{
- GstElement parent;
-
- GstVideoTimeCode *tc;
- gboolean from_string;
-
- GstPad *asrcpad, *asinkpad, *vsrcpad, *vsinkpad;
-
- GstAudioInfo ainfo;
- GstVideoInfo vinfo;
-
- GstSegment asegment, vsegment;
-
- GstClockTime running_time_of_timecode;
-
- gboolean video_eos_flag;
- gboolean audio_flush_flag;
- gboolean shutdown_flag;
-
- GCond cond;
- GMutex mutex;
-};
-
-struct _GstTimeCodeWaitClass
-{
- GstElementClass parent_class;
-};
-
-GType gst_timecodewait_get_type (void);
-
-G_END_DECLS
-#endif /* __GST_TIMECODEWAIT_H__ */
#endif
#include "gsttimecodestamper.h"
-#include "gsttimecodewait.h"
+#include "gstavwait.h"
static gboolean
plugin_init (GstPlugin * plugin)
ret = gst_element_register (plugin, "timecodestamper", GST_RANK_NONE,
GST_TYPE_TIME_CODE_STAMPER);
- ret &= gst_element_register (plugin, "timecodewait", GST_RANK_NONE,
- GST_TYPE_TIMECODEWAIT);
+ ret &= gst_element_register (plugin, "avwait", GST_RANK_NONE,
+ GST_TYPE_AVWAIT);
return ret;
}
projects / platform / upstream / gstreamer.git / commitdiff