mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2025-02-20 21:16:24 +00:00
Code Issues 1 Projects Releases Wiki Activity

media-descriptor-writer: track running time of buffers

Browse source 
PTS and DTS can be deceiving as a change in segment can dramatically change
playback synchronization. Track the running-time as well to properly
get any change in synchronization
This commit is contained in:
Thiago Santos 2015-11-26 17:08:12 -03:00
parent 1b5d81bd77
commit 3607f30fff
4 changed files with 41 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
validate/gst/validate/media-descriptor-parser.c
View file

@ -135,6 +135,8 @@ deserialize_framenode (const gchar ** names, const gchar ** values)
framenode->pts = g_ascii_strtoull (values[i], NULL, 0);
else if (g_strcmp0 (names[i], "dts") == 0)
framenode->dts = g_ascii_strtoull (values[i], NULL, 0);
else if (g_strcmp0 (names[i], "running-time") == 0)
framenode->running_time = g_ascii_strtoull (values[i], NULL, 0);
else if (g_strcmp0 (names[i], "checksum") == 0)
framenode->checksum = g_strdup (values[i]);
else if (g_strcmp0 (names[i], "is-keyframe") == 0) {

42
validate/gst/validate/media-descriptor-writer.c
View file

@ -293,7 +293,31 @@ static GstPadProbeReturn
_uridecodebin_probe (GstPad * pad, GstPadProbeInfo * info,
GstMediaDescriptorWriter * writer)
{
gst_media_descriptor_writer_add_frame (writer, pad, info->data);
if (GST_PAD_PROBE_INFO_TYPE (info) & GST_PAD_PROBE_TYPE_BUFFER) {
gst_media_descriptor_writer_add_frame (writer, pad, info->data);
} else if (GST_PAD_PROBE_INFO_TYPE (info) &
GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) {
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:{
const GstSegment *segment;
StreamNode *streamnode;
streamnode =
gst_media_descriptor_find_stream_node_by_pad ((GstMediaDescriptor *)
writer, pad);
if (streamnode) {
gst_event_parse_segment (event, &segment);
gst_segment_copy_into (segment, &streamnode->segment);
}
break;
}
default:
break;
}
} else {
g_assert_not_reached ();
}
return GST_PAD_PROBE_OK;
}
@ -409,7 +433,8 @@ pad_added_cb (GstElement * decodebin, GstPad * pad,
}
}
gst_pad_add_probe (srcpad, GST_PAD_PROBE_TYPE_BUFFER,
gst_pad_add_probe (srcpad,
GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
(GstPadProbeCallback) _uridecodebin_probe, writer, NULL);
}
@ -817,16 +842,21 @@ gst_media_descriptor_writer_add_frame (GstMediaDescriptorWriter
fnode->duration = GST_BUFFER_DURATION (buf);
fnode->pts = GST_BUFFER_PTS (buf);
fnode->dts = GST_BUFFER_DTS (buf);
fnode->is_keyframe = (GST_BUFFER_FLAG_IS_SET (buf,
GST_BUFFER_FLAG_DELTA_UNIT) == FALSE);
fnode->running_time =
gst_segment_to_running_time (&streamnode->segment, GST_FORMAT_TIME,
GST_BUFFER_PTS (buf));
fnode->is_keyframe =
(GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT) == FALSE);
fnode->str_open =
g_markup_printf_escaped (" <frame duration=\"%" G_GUINT64_FORMAT
"\" id=\"%i\" is-keyframe=\"%s\" offset=\"%" G_GUINT64_FORMAT
"\" offset-end=\"%" G_GUINT64_FORMAT "\" pts=\"%" G_GUINT64_FORMAT
"\" dts=\"%" G_GUINT64_FORMAT "\" checksum=\"%s\"/>",
"\" dts=\"%" G_GUINT64_FORMAT "\" running-time=\"%" G_GUINT64_FORMAT
"\" checksum=\"%s\"/>",
fnode->duration, id, fnode->is_keyframe ? "true" : "false",
fnode->offset, fnode->offset_end, fnode->pts, fnode->dts, checksum);
fnode->offset, fnode->offset_end, fnode->pts, fnode->dts,
fnode->running_time, checksum);
fnode->str_close = NULL;

1
validate/gst/validate/media-descriptor.c
View file

@ -359,6 +359,7 @@ compare_frames (GstMediaDescriptor * ref, StreamNode * rstream,
CHECK_FRAME_FIELD (pts, "%" G_GUINT64_FORMAT);
CHECK_FRAME_FIELD (dts, "%" G_GUINT64_FORMAT);
CHECK_FRAME_FIELD (duration, "%" G_GUINT64_FORMAT);
CHECK_FRAME_FIELD (running_time, "%" G_GUINT64_FORMAT);
CHECK_FRAME_FIELD (offset, "%" G_GUINT64_FORMAT);
CHECK_FRAME_FIELD (offset_end, "%" G_GUINT64_FORMAT);
CHECK_FRAME_FIELD (is_keyframe, "%d");

2
validate/gst/validate/media-descriptor.h
View file

@ -85,6 +85,7 @@ typedef struct
/* Attributes */
GstCaps *caps;
GstSegment segment;
gchar *id;
gchar *padname;
@ -104,6 +105,7 @@ typedef struct
guint64 offset_end;
GstClockTime duration;
GstClockTime pts, dts;
GstClockTime running_time;
gboolean is_keyframe;
GstBuffer *buf;