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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
timecodestamper: Add properties to time out cached upstream/LTC timecodes after a while
By default we never time them out and simply continue couting up with each frame forever.
This commit is contained in:
Sebastian Dröge
parent
fc463b9ebc
commit
5a9541caff
2 changed files with 82 additions and 10 deletions
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@ -61,11 +61,13 @@ enum
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PROP_SOURCE,
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PROP_SET,
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PROP_AUTO_RESYNC,
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PROP_TIMEOUT,
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PROP_DROP_FRAME,
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PROP_POST_MESSAGES,
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PROP_SET_INTERNAL_TIMECODE,
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PROP_LTC_DAILY_JAM,
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PROP_LTC_AUTO_RESYNC,
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PROP_LTC_TIMEOUT,
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PROP_RTC_MAX_DRIFT,
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PROP_RTC_AUTO_RESYNC,
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PROP_TIMECODE_OFFSET
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@ -74,11 +76,13 @@ enum
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#define DEFAULT_SOURCE GST_TIME_CODE_STAMPER_SOURCE_INTERNAL
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#define DEFAULT_SET GST_TIME_CODE_STAMPER_SET_KEEP
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#define DEFAULT_AUTO_RESYNC TRUE
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#define DEFAULT_TIMEOUT GST_CLOCK_TIME_NONE
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#define DEFAULT_DROP_FRAME FALSE
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#define DEFAULT_POST_MESSAGES FALSE
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#define DEFAULT_SET_INTERNAL_TIMECODE NULL
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#define DEFAULT_LTC_DAILY_JAM NULL
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#define DEFAULT_LTC_AUTO_RESYNC TRUE
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#define DEFAULT_LTC_TIMEOUT GST_CLOCK_TIME_NONE
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#define DEFAULT_RTC_MAX_DRIFT 250000000
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#define DEFAULT_RTC_AUTO_RESYNC TRUE
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#define DEFAULT_TIMECODE_OFFSET 0
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@ -227,6 +231,12 @@ gst_timecodestamper_class_init (GstTimeCodeStamperClass * klass)
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"If true resync last known timecode from upstream, otherwise only "
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"count up from the last known one",
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DEFAULT_AUTO_RESYNC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_TIMEOUT,
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g_param_spec_uint64 ("timeout",
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"Timeout",
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"Time out upstream timecode if no new timecode was detected after this time",
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0, G_MAXUINT64, DEFAULT_TIMEOUT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_DROP_FRAME,
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g_param_spec_boolean ("drop-frame", "Drop Frame",
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"Use drop-frame timecodes for 29.97 and 59.94 FPS",
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@ -256,6 +266,11 @@ gst_timecodestamper_class_init (GstTimeCodeStamperClass * klass)
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"If true the LTC timecode will be automatically resynced if it drifts, "
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"otherwise it will only be counted up from the last known one",
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DEFAULT_LTC_AUTO_RESYNC, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_LTC_TIMEOUT,
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g_param_spec_uint64 ("ltc-timeout", "LTC Timeout",
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"Time out LTC timecode if no new timecode was detected after this time",
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0, G_MAXUINT64, DEFAULT_LTC_TIMEOUT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_RTC_MAX_DRIFT,
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g_param_spec_uint64 ("rtc-max-drift",
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"RTC Maximum Offset",
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@ -304,17 +319,20 @@ gst_timecodestamper_init (GstTimeCodeStamper * timecodestamper)
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timecodestamper->tc_source = GST_TIME_CODE_STAMPER_SOURCE_INTERNAL;
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timecodestamper->tc_set = GST_TIME_CODE_STAMPER_SET_KEEP;
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timecodestamper->tc_auto_resync = DEFAULT_AUTO_RESYNC;
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timecodestamper->tc_timeout = DEFAULT_TIMEOUT;
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timecodestamper->drop_frame = DEFAULT_DROP_FRAME;
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timecodestamper->post_messages = DEFAULT_POST_MESSAGES;
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timecodestamper->set_internal_tc = NULL;
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timecodestamper->ltc_daily_jam = DEFAULT_LTC_DAILY_JAM;
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timecodestamper->ltc_auto_resync = DEFAULT_LTC_AUTO_RESYNC;
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timecodestamper->ltc_timeout = DEFAULT_LTC_TIMEOUT;
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timecodestamper->rtc_max_drift = DEFAULT_RTC_MAX_DRIFT;
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timecodestamper->rtc_auto_resync = DEFAULT_RTC_AUTO_RESYNC;
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timecodestamper->timecode_offset = 0;
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timecodestamper->internal_tc = NULL;
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timecodestamper->last_tc = NULL;
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timecodestamper->last_tc_running_time = GST_CLOCK_TIME_NONE;
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timecodestamper->rtc_tc = NULL;
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#if HAVE_LTC
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@ -329,6 +347,7 @@ gst_timecodestamper_init (GstTimeCodeStamper * timecodestamper)
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timecodestamper->ltc_current_tc = NULL;
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timecodestamper->ltc_current_tc_running_time = GST_CLOCK_TIME_NONE;
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timecodestamper->ltc_internal_tc = NULL;
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timecodestamper->ltc_internal_running_time = GST_CLOCK_TIME_NONE;
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timecodestamper->ltc_dec = NULL;
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timecodestamper->ltc_total = 0;
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@ -368,6 +387,7 @@ gst_timecodestamper_dispose (GObject * object)
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gst_video_time_code_free (timecodestamper->last_tc);
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timecodestamper->last_tc = NULL;
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}
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timecodestamper->last_tc_running_time = GST_CLOCK_TIME_NONE;
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if (timecodestamper->rtc_tc != NULL) {
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gst_video_time_code_free (timecodestamper->rtc_tc);
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@ -385,6 +405,7 @@ gst_timecodestamper_dispose (GObject * object)
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gst_video_time_code_free (timecodestamper->ltc_internal_tc);
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timecodestamper->ltc_internal_tc = NULL;
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}
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timecodestamper->ltc_internal_running_time = GST_CLOCK_TIME_NONE;
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if (timecodestamper->ltc_dec) {
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ltc_decoder_free (timecodestamper->ltc_dec);
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@ -419,6 +440,9 @@ gst_timecodestamper_set_property (GObject * object, guint prop_id,
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case PROP_AUTO_RESYNC:
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timecodestamper->tc_auto_resync = g_value_get_boolean (value);
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break;
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case PROP_TIMEOUT:
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timecodestamper->tc_timeout = g_value_get_uint64 (value);
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break;
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case PROP_DROP_FRAME:
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timecodestamper->drop_frame = g_value_get_boolean (value);
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gst_timecodestamper_update_drop_frame (timecodestamper);
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@ -468,6 +492,9 @@ gst_timecodestamper_set_property (GObject * object, guint prop_id,
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case PROP_LTC_AUTO_RESYNC:
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timecodestamper->ltc_auto_resync = g_value_get_boolean (value);
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break;
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case PROP_LTC_TIMEOUT:
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timecodestamper->ltc_timeout = g_value_get_uint64 (value);
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break;
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case PROP_RTC_MAX_DRIFT:
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timecodestamper->rtc_max_drift = g_value_get_uint64 (value);
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break;
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@ -502,6 +529,9 @@ gst_timecodestamper_get_property (GObject * object, guint prop_id,
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case PROP_AUTO_RESYNC:
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g_value_set_boolean (value, timecodestamper->tc_auto_resync);
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break;
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case PROP_TIMEOUT:
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g_value_set_uint64 (value, timecodestamper->tc_timeout);
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break;
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case PROP_DROP_FRAME:
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g_value_set_boolean (value, timecodestamper->drop_frame);
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break;
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@ -517,6 +547,9 @@ gst_timecodestamper_get_property (GObject * object, guint prop_id,
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case PROP_LTC_AUTO_RESYNC:
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g_value_set_boolean (value, timecodestamper->ltc_auto_resync);
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break;
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case PROP_LTC_TIMEOUT:
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g_value_set_uint64 (value, timecodestamper->ltc_timeout);
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break;
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case PROP_RTC_MAX_DRIFT:
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g_value_set_uint64 (value, timecodestamper->rtc_max_drift);
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break;
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@ -563,6 +596,7 @@ gst_timecodestamper_stop (GstBaseTransform * trans)
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gst_video_time_code_free (timecodestamper->last_tc);
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timecodestamper->last_tc = NULL;
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}
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timecodestamper->last_tc_running_time = GST_CLOCK_TIME_NONE;
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#if HAVE_LTC
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g_mutex_lock (&timecodestamper->mutex);
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gst_audio_info_init (&timecodestamper->ainfo);
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@ -575,6 +609,7 @@ gst_timecodestamper_stop (GstBaseTransform * trans)
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gst_video_time_code_free (timecodestamper->ltc_internal_tc);
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timecodestamper->ltc_internal_tc = NULL;
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}
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timecodestamper->ltc_internal_running_time = GST_CLOCK_TIME_NONE;
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if (timecodestamper->ltc_current_tc != NULL) {
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gst_video_time_code_free (timecodestamper->ltc_current_tc);
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@ -915,21 +950,36 @@ gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
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if (timecodestamper->last_tc)
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gst_video_time_code_free (timecodestamper->last_tc);
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timecodestamper->last_tc = gst_video_time_code_copy (&tc_meta->tc);
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timecodestamper->last_tc_running_time = running_time;
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tc_str = gst_video_time_code_to_string (timecodestamper->last_tc);
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GST_DEBUG_OBJECT (timecodestamper, "Updated upstream timecode to %s",
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tc_str);
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g_free (tc_str);
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} else {
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gchar *tc_str;
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if (timecodestamper->last_tc) {
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gst_video_time_code_increment_frame (timecodestamper->last_tc);
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if (timecodestamper->tc_auto_resync
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&& timecodestamper->tc_timeout != GST_CLOCK_TIME_NONE
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&& (running_time + timecodestamper->tc_timeout <
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timecodestamper->last_tc_running_time
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|| running_time >=
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timecodestamper->last_tc_running_time +
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timecodestamper->tc_timeout)) {
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if (timecodestamper->last_tc)
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gst_video_time_code_free (timecodestamper->last_tc);
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timecodestamper->last_tc = NULL;
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timecodestamper->last_tc_running_time = GST_CLOCK_TIME_NONE;
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GST_DEBUG_OBJECT (timecodestamper, "Upstream timecode timed out");
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} else {
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gchar *tc_str;
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tc_str = gst_video_time_code_to_string (timecodestamper->last_tc);
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GST_DEBUG_OBJECT (timecodestamper, "Incremented upstream timecode to %s",
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tc_str);
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g_free (tc_str);
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gst_video_time_code_increment_frame (timecodestamper->last_tc);
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tc_str = gst_video_time_code_to_string (timecodestamper->last_tc);
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GST_DEBUG_OBJECT (timecodestamper,
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"Incremented upstream timecode to %s", tc_str);
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g_free (tc_str);
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}
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} else {
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GST_DEBUG_OBJECT (timecodestamper, "Never saw an upstream timecode");
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}
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@ -1107,6 +1157,7 @@ gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
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if (gst_video_time_code_is_valid (ltc_read_tc_ptr)) {
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timecodestamper->ltc_internal_tc =
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gst_video_time_code_copy (ltc_read_tc_ptr);
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timecodestamper->ltc_internal_running_time = running_time;
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updated_internal = TRUE;
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GST_INFO_OBJECT (timecodestamper, "Resynced internal LTC counter");
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} else {
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@ -1152,9 +1203,25 @@ gst_timecodestamper_transform_ip (GstBaseTransform * vfilter,
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}
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if (timecodestamper->ltc_internal_tc) {
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tc_str = gst_video_time_code_to_string (timecodestamper->ltc_internal_tc);
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GST_DEBUG_OBJECT (timecodestamper, "Updated LTC timecode to %s", tc_str);
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g_free (tc_str);
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if (timecodestamper->ltc_auto_resync
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&& timecodestamper->ltc_timeout != GST_CLOCK_TIME_NONE
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&& (running_time + timecodestamper->ltc_timeout <
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timecodestamper->ltc_internal_running_time
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|| running_time >=
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timecodestamper->ltc_internal_running_time +
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timecodestamper->ltc_timeout)) {
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if (timecodestamper->ltc_internal_tc)
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gst_video_time_code_free (timecodestamper->ltc_internal_tc);
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timecodestamper->ltc_internal_tc = NULL;
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GST_DEBUG_OBJECT (timecodestamper, "LTC timecode timed out");
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timecodestamper->ltc_internal_running_time = GST_CLOCK_TIME_NONE;
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} else {
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tc_str =
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gst_video_time_code_to_string (timecodestamper->ltc_internal_tc);
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GST_DEBUG_OBJECT (timecodestamper, "Updated LTC timecode to %s",
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tc_str);
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g_free (tc_str);
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}
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} else {
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GST_DEBUG_OBJECT (timecodestamper, "Have no LTC timecode yet");
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}
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@ -1341,6 +1408,7 @@ gst_timecodestamper_release_pad (GstElement * element, GstPad * pad)
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gst_video_time_code_free (timecodestamper->ltc_internal_tc);
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timecodestamper->ltc_internal_tc = NULL;
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}
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timecodestamper->ltc_internal_running_time = GST_CLOCK_TIME_NONE;
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if (timecodestamper->ltc_current_tc != NULL) {
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gst_video_time_code_free (timecodestamper->ltc_current_tc);
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@ -78,11 +78,13 @@ struct _GstTimeCodeStamper
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GstTimeCodeStamperSource tc_source;
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GstTimeCodeStamperSet tc_set;
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gboolean tc_auto_resync;
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GstClockTime tc_timeout;
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gboolean drop_frame;
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gboolean post_messages;
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GstVideoTimeCode *set_internal_tc;
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GDateTime *ltc_daily_jam;
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gboolean ltc_auto_resync;
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GstClockTime ltc_timeout;
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GstClockTime rtc_max_drift;
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gboolean rtc_auto_resync;
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gint timecode_offset;
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@ -90,6 +92,7 @@ struct _GstTimeCodeStamper
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/* Timecode tracking, protected by object lock */
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GstVideoTimeCode *internal_tc;
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GstVideoTimeCode *last_tc;
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GstClockTime last_tc_running_time;
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GstVideoTimeCode *rtc_tc;
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/* Internal state */
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@ -119,6 +122,7 @@ struct _GstTimeCodeStamper
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/* LTC timecode we last synced to and potentially incremented manually since
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* then */
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GstVideoTimeCode *ltc_internal_tc;
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GstClockTime ltc_internal_running_time;
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/* Protected by mutex above */
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LTCDecoder *ltc_dec;
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