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videoparseutils: Don't double-attach AFD, Bar or unregistered data

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We already did this for captions. We also need to do it for the other
meta types to ensure our parsers are idempotent and don't attach
duplicates.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5450>
This commit is contained in:
Jan Alexander Steffens (heftig) 2023-10-11 12:30:31 +02:00 committed by GStreamer Marge Bot
parent 92017b983e
commit 9426eaae6a
1 changed files with 38 additions and 30 deletions
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68
subprojects/gst-plugins-bad/gst/videoparsers/gstvideoparseutils.c
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@ -253,40 +253,40 @@ void
gst_video_push_user_data (GstElement * elt, GstVideoParseUserData * user_data,
GstBuffer * buf)
{
GstVideoAFD afd;
GstVideoBarData bar;
/* 1. handle closed captions */
if (user_data->closedcaptions_size > 0) {
if (!gst_buffer_get_meta (buf, GST_VIDEO_CAPTION_META_API_TYPE)) {
gst_buffer_add_video_caption_meta (buf,
user_data->closedcaptions_type, user_data->closedcaptions,
user_data->closedcaptions_size);
} else {
GST_DEBUG_OBJECT (elt, "Closed caption data already found on buffer, "
"discarding to avoid duplication");
}
if (user_data->closedcaptions_size == 0) {
GST_TRACE_OBJECT (elt, "No closed caption data to attach");
} else if (gst_buffer_get_meta (buf, GST_VIDEO_CAPTION_META_API_TYPE)) {
GST_DEBUG_OBJECT (elt, "Buffer already has closed caption meta");
} else {
gst_buffer_add_video_caption_meta (buf,
user_data->closedcaptions_type, user_data->closedcaptions,
user_data->closedcaptions_size);
}
/* 2. handle AFD */
if (user_data->active_format_flag) {
GstVideoAFD afd;
if (gst_video_parse_utils_parse_afd (user_data->afd, user_data->afd_spec,
user_data->field, &afd)) {
gst_buffer_add_video_afd_meta (buf, afd.field, afd.spec, afd.afd);
} else {
GST_WARNING_OBJECT (elt, "Invalid AFD value %d", user_data->afd);
}
if (!user_data->active_format_flag) {
GST_TRACE_OBJECT (elt, "No AFD to attach");
} else if (gst_buffer_get_meta (buf, GST_VIDEO_AFD_META_API_TYPE)) {
GST_DEBUG_OBJECT (elt, "Buffer already has AFD meta");
} else if (!gst_video_parse_utils_parse_afd (user_data->afd,
user_data->afd_spec, user_data->field, &afd)) {
GST_WARNING_OBJECT (elt, "Invalid AFD value %d", user_data->afd);
} else {
gst_buffer_add_video_afd_meta (buf, afd.field, afd.spec, afd.afd);
}
/* 3. handle Bar data */
if (user_data->bar_data_size) {
GstVideoBarData data;
if (gst_video_parse_utils_parse_bar (user_data->bar_data,
user_data->bar_data_size, user_data->field, &data)) {
gst_buffer_add_video_bar_meta (buf, data.field, data.is_letterbox,
data.bar_data[0], data.bar_data[1]);
} else {
GST_WARNING_OBJECT (elt, "Invalid Bar data");
}
if (!user_data->bar_data_size) {
GST_TRACE_OBJECT (elt, "No Bar data to attach");
} else if (gst_buffer_get_meta (buf, GST_VIDEO_BAR_META_API_TYPE)) {
GST_DEBUG_OBJECT (elt, "Buffer already has Bar meta");
} else if (!gst_video_parse_utils_parse_bar (user_data->bar_data,
user_data->bar_data_size, user_data->field, &bar)) {
GST_WARNING_OBJECT (elt, "Invalid Bar data");
} else {
gst_buffer_add_video_bar_meta (buf, bar.field, bar.is_letterbox,
bar.bar_data[0], bar.bar_data[1]);
}
}
@ -503,8 +503,16 @@ gst_video_push_user_data_unregistered (GstElement * elt,
GArray *messages = user_data->messages;
guint i;
if (messages == NULL)
if (messages == NULL || messages->len == 0) {
GST_TRACE_OBJECT (elt, "No unregistered user data to attach");
return;
}
if (gst_buffer_get_meta (buf,
GST_VIDEO_SEI_USER_DATA_UNREGISTERED_META_API_TYPE)) {
GST_DEBUG_OBJECT (elt, "Buffer already has unregistered meta");
return;
}
for (i = 0; i < messages->len; i++) {
GstVideoUnregisteredMessage *msg =