mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-23 08:46:40 +00:00
Code Issues 1 Projects Releases Wiki Activity

qtdemux: Add support for ONVIF XML Timed MetaData

Browse source 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2453>
This commit is contained in:
Sebastian Dröge 2022-05-19 11:47:57 +03:00 committed by GStreamer Marge Bot
parent 365a9af9c5
commit 7273024ae5
2 changed files with 98 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

97
subprojects/gst-plugins-good/gst/isomp4/qtdemux.c
View file

@ -289,6 +289,12 @@ GST_STATIC_PAD_TEMPLATE ("subtitle_%u",
GST_PAD_SOMETIMES,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate gst_qtdemux_metasrc_template =
GST_STATIC_PAD_TEMPLATE ("meta_%u",
GST_PAD_SRC,
GST_PAD_SOMETIMES,
GST_STATIC_CAPS_ANY);
#define gst_qtdemux_parent_class parent_class
G_DEFINE_TYPE (GstQTDemux, gst_qtdemux, GST_TYPE_ELEMENT);
GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (qtdemux, "qtdemux",
@ -351,6 +357,9 @@ static GstCaps *qtdemux_audio_caps (GstQTDemux * qtdemux,
static GstCaps *qtdemux_sub_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
QtDemuxStreamStsdEntry * entry, guint32 fourcc, const guint8 * data,
gchar ** codec_name);
static GstCaps *qtdemux_meta_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
QtDemuxStreamStsdEntry * entry, guint32 fourcc, const guint8 * data,
gchar ** codec_name);
static GstCaps *qtdemux_generic_caps (GstQTDemux * qtdemux,
QtDemuxStream * stream, QtDemuxStreamStsdEntry * entry, guint32 fourcc,
const guint8 * stsd_entry_data, gchar ** codec_name);
@ -2051,6 +2060,7 @@ gst_qtdemux_reset (GstQTDemux * qtdemux, gboolean hard)
qtdemux->n_video_streams = 0;
qtdemux->n_audio_streams = 0;
qtdemux->n_sub_streams = 0;
qtdemux->n_meta_streams = 0;
qtdemux->exposed = FALSE;
qtdemux->fragmented = FALSE;
qtdemux->mss_mode = FALSE;
@ -9028,6 +9038,19 @@ gst_qtdemux_add_stream (GstQTDemux * qtdemux,
goto done;
}
qtdemux->n_sub_streams++;
} else if (stream->subtype == FOURCC_meta) {
gchar *name = g_strdup_printf ("meta_%u", qtdemux->n_meta_streams);
stream->pad =
gst_pad_new_from_static_template (&gst_qtdemux_metasrc_template, name);
g_free (name);
if (!gst_qtdemux_configure_stream (qtdemux, stream)) {
gst_object_unref (stream->pad);
stream->pad = NULL;
ret = FALSE;
goto done;
}
qtdemux->n_meta_streams++;
} else if (CUR_STREAM (stream)->caps) {
gchar *name = g_strdup_printf ("video_%u", qtdemux->n_video_streams);
@ -13107,6 +13130,23 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
"unhandled type %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (fourcc));
break;
}
GST_INFO_OBJECT (qtdemux,
"type %" GST_FOURCC_FORMAT " caps %" GST_PTR_FORMAT,
GST_FOURCC_ARGS (fourcc), entry->caps);
} else if (stream->subtype == FOURCC_meta) {
entry->sampled = TRUE;
entry->sparse = TRUE;
entry->caps =
qtdemux_meta_caps (qtdemux, stream, entry, fourcc, stsd_entry_data,
&codec);
if (codec) {
gst_tag_list_add (stream->stream_tags, GST_TAG_MERGE_REPLACE,
GST_TAG_CODEC, codec, NULL);
g_free (codec);
codec = NULL;
}
GST_INFO_OBJECT (qtdemux,
"type %" GST_FOURCC_FORMAT " caps %" GST_PTR_FORMAT,
GST_FOURCC_ARGS (fourcc), entry->caps);
@ -15270,6 +15310,63 @@ qtdemux_sub_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
return caps;
}
static GstCaps *
qtdemux_meta_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
QtDemuxStreamStsdEntry * entry, guint32 fourcc,
const guint8 * stsd_entry_data, gchar ** codec_name)
{
GstCaps *caps = NULL;
GST_DEBUG_OBJECT (qtdemux, "resolve fourcc 0x%08x", GUINT32_TO_BE (fourcc));
switch (fourcc) {
case FOURCC_metx:{
gsize size = QT_UINT32 (stsd_entry_data);
GstByteReader reader = GST_BYTE_READER_INIT (stsd_entry_data, size);
const gchar *content_encoding;
const gchar *namespaces;
const gchar *schema_locations;
if (!gst_byte_reader_skip (&reader, 8 + 6 + 2)) {
GST_WARNING_OBJECT (qtdemux, "Too short metx sample entry");
break;
}
if (!gst_byte_reader_get_string (&reader, &content_encoding) ||
!gst_byte_reader_get_string (&reader, &namespaces) ||
!gst_byte_reader_get_string (&reader, &schema_locations)) {
GST_WARNING_OBJECT (qtdemux, "Too short metx sample entry");
break;
}
if (strstr (namespaces, "http://www.onvif.org/ver10/schema") != 0) {
if (content_encoding == NULL || *content_encoding == '\0'
|| g_ascii_strcasecmp (content_encoding, "xml") == 0) {
_codec ("ONVIF Timed XML MetaData");
caps =
gst_caps_new_simple ("application/x-onvif-metadata", "encoding",
G_TYPE_STRING, "utf8", NULL);
} else {
GST_DEBUG_OBJECT (qtdemux, "Unknown content encoding: %s",
content_encoding);
}
} else {
GST_DEBUG_OBJECT (qtdemux, "Unknown metadata namespaces: %s",
namespaces);
}
break;
}
default:
break;
}
if (!caps)
caps = _get_unknown_codec_name ("meta", fourcc);
return caps;
}
static GstCaps *
qtdemux_generic_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
QtDemuxStreamStsdEntry * entry, guint32 fourcc,

1
subprojects/gst-plugins-good/gst/isomp4/qtdemux.h
View file

@ -89,6 +89,7 @@ struct _GstQTDemux {
gint n_video_streams;
gint n_audio_streams;
gint n_sub_streams;
gint n_meta_streams;
GstFlowCombiner *flowcombiner;