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Muxer writes (in jpeg only) whole IPTC chunk sent as tag. Muxer implemets GstTagSetter interface.

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Original commit message from CVS:
Muxer writes (in jpeg only) whole IPTC chunk sent as tag. Muxer implemets GstTagSetter interface.
This commit is contained in:
Edgard Lima 2007-12-03 16:14:01 +00:00
parent 79b7ae29aa
commit e415aeeb4f
10 changed files with 96 additions and 35 deletions
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14
ChangeLog
View file

@ -1,3 +1,17 @@
2007-12-03 Edgard Lima <edgard.lima@indt.org.br>
* ext/metadata/gstmetadatamux.c:
* ext/metadata/gstmetadatamux.h:
* ext/metadata/metadataexif.c:
* ext/metadata/metadataexif.h:
* ext/metadata/metadataiptc.c:
* ext/metadata/metadataiptc.h:
* ext/metadata/metadatamuxjpeg.c:
* ext/metadata/metadataxmp.c:
* ext/metadata/metadataxmp.h:
Muxer writes (in jpeg only) whole IPTC chunk sent as tag. Muxer
implemets GstTagSetter interface.
2007-12-03 Thijs Vermeir <thijsvermeir@gmail.com>
* gst/librfb/rfbdecoder.c:

44
ext/metadata/gstmetadatamux.c
View file

@ -104,8 +104,17 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_STATIC_CAPS ("image/jpeg; " "image/png")
);
GST_BOILERPLATE (GstMetadataMux, gst_metadata_mux, GstElement,
GST_TYPE_ELEMENT);
static void
gst_metadata_mux_add_interfaces (GType type)
{
static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL };
g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
}
GST_BOILERPLATE_FULL (GstMetadataMux, gst_metadata_mux, GstElement,
GST_TYPE_ELEMENT, gst_metadata_mux_add_interfaces);
static GstMetadataMuxClass *metadata_parent_class = NULL;
@ -526,9 +535,11 @@ gst_metadata_mux_sink_event (GstPad * pad, GstEvent * event)
case GST_EVENT_TAG:
{
GstTagList *taglist = NULL;
GstTagSetter *setter = GST_TAG_SETTER (filter);
gst_event_parse_tag (event, &taglist);
gst_tag_list_insert (filter->taglist, taglist, GST_TAG_MERGE_REPLACE);
gst_tag_setter_merge_tags (setter, taglist, GST_TAG_MERGE_REPLACE);
}
break;
default:
@ -578,11 +589,6 @@ gst_metadata_mux_dispose_members (GstMetadataMux * filter)
filter->adapter_holding = NULL;
}
if (filter->taglist) {
gst_tag_list_free (filter->taglist);
filter->taglist = NULL;
}
if (filter->append_buffer) {
gst_buffer_unref (filter->append_buffer);
filter->append_buffer = NULL;
@ -602,7 +608,6 @@ gst_metadata_mux_init_members (GstMetadataMux * filter)
filter->iptc = FALSE;
filter->xmp = FALSE;
filter->taglist = NULL;
filter->adapter_parsing = NULL;
filter->adapter_holding = NULL;
filter->next_offset = 0;
@ -801,26 +806,31 @@ gst_metadata_create_chunks_from_tags (GstMetadataMux * filter)
{
GstMessage *msg;
GstTagList *taglist;
GstTagSetter *setter = GST_TAG_SETTER (filter);
const GstTagList *taglist = gst_tag_setter_get_tag_list (setter);
GstEvent *event;
guint8 *buf = NULL;
guint32 size = 0;
if (taglist) {
if (META_DATA_OPTION (filter->mux_data) & META_OPT_EXIF) {
metadatamux_exif_create_chunk_from_tag_list (&buf, &size, filter->taglist);
metadatamux_exif_create_chunk_from_tag_list (&buf, &size, taglist);
gst_metadata_update_segment (filter, &buf, &size, MD_CHUNK_EXIF);
}
if (META_DATA_OPTION (filter->mux_data) & META_OPT_IPTC) {
metadatamux_iptc_create_chunk_from_tag_list (&buf, &size, filter->taglist);
metadatamux_iptc_create_chunk_from_tag_list (&buf, &size, taglist);
gst_metadata_update_segment (filter, &buf, &size, MD_CHUNK_IPTC);
}
if (META_DATA_OPTION (filter->mux_data) & META_OPT_XMP) {
metadatamux_xmp_create_chunk_from_tag_list (&buf, &size, filter->taglist);
metadatamux_xmp_create_chunk_from_tag_list (&buf, &size, taglist);
gst_metadata_update_segment (filter, &buf, &size, MD_CHUNK_XMP);
}
}
metadata_chunk_array_remove_zero_size (&filter->mux_data.inject_chunks);
}
@ -900,8 +910,8 @@ gst_metadata_mux_calculate_offsets (GstMetadataMux * filter)
guint32 bytes_striped, bytes_inject;
MetadataChunk *strip = filter->mux_data.strip_chunks.chunk;
MetadataChunk *inject = filter->mux_data.inject_chunks.chunk;
const gsize strip_len = filter->mux_data.strip_chunks.len;
const gsize inject_len = filter->mux_data.inject_chunks.len;
gsize strip_len;
gsize inject_len;
if (filter->state != MT_STATE_MUXED)
return FALSE;
@ -910,6 +920,9 @@ gst_metadata_mux_calculate_offsets (GstMetadataMux * filter)
metadata_lazy_update (&filter->mux_data);
strip_len = filter->mux_data.strip_chunks.len;
inject_len = filter->mux_data.inject_chunks.len;
bytes_striped = 0;
bytes_inject = 0;
@ -1755,7 +1768,6 @@ gst_metadata_mux_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_NULL_TO_READY:
gst_metadata_mux_init_members (filter);
filter->adapter_parsing = gst_adapter_new ();
filter->taglist = gst_tag_list_new ();
metadata_init (&filter->mux_data, FALSE);
break;
default:

1
ext/metadata/gstmetadatamux.h
View file

@ -98,7 +98,6 @@ struct _GstMetadataMux
gboolean need_more_data;
GstTagList *taglist;
gboolean need_calculate_offset; /* mux need to calculate offsets of insert chunks */
};

4
ext/metadata/metadataexif.c
View file

@ -65,7 +65,7 @@ metadataparse_exif_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
void
metadatamux_exif_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
GstTagList * taglist)
const GstTagList * taglist)
{
/* do nothing */
}
@ -203,7 +203,7 @@ exif_content_foreach_entry_func (ExifEntry * entry, void *user_data)
void
metadatamux_exif_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
GstTagList * taglist)
const GstTagList * taglist)
{
ExifData *ed = NULL;
GstBuffer *exif_chunk = NULL;

2
ext/metadata/metadataexif.h
View file

@ -56,7 +56,7 @@ metadataparse_exif_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
extern void
metadatamux_exif_create_chunk_from_tag_list (guint8 ** buf, guint32 *size,
GstTagList * taglist);
const GstTagList * taglist);
G_END_DECLS
#endif /* __GST_METADATAPARSE_EXIF_H__ */

17
ext/metadata/metadataiptc.c
View file

@ -66,7 +66,7 @@ metadataparse_iptc_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
void
metadatamux_iptc_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
GstTagList * taglist)
const GstTagList * taglist)
{
/* do nothing */
}
@ -133,8 +133,11 @@ iptc_data_foreach_dataset_func (IptcDataSet * dataset, void *user_data)
void
metadatamux_iptc_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
GstTagList * taglist)
const GstTagList * taglist)
{
GstBuffer *iptc_chunk = NULL;
const GValue *val = NULL;
if (!(buf && size))
goto done;
if (*buf) {
@ -143,6 +146,16 @@ metadatamux_iptc_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
}
*size = 0;
val = gst_tag_list_get_value_index (taglist, GST_TAG_IPTC, 0);
if (val) {
iptc_chunk = gst_value_get_buffer (val);
if (iptc_chunk) {
*size = GST_BUFFER_SIZE (iptc_chunk);
*buf = g_new (guint8, *size);
memcpy (*buf, GST_BUFFER_DATA (iptc_chunk), *size);
}
}
done:
return;

2
ext/metadata/metadataiptc.h
View file

@ -56,7 +56,7 @@ metadataparse_iptc_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
extern void
metadatamux_iptc_create_chunk_from_tag_list (guint8 ** buf, guint32 *size,
GstTagList * taglist);
const GstTagList * taglist);
G_END_DECLS
#endif /* __GST_METADATAPARSE_IPTC_H__ */

25
ext/metadata/metadatamuxjpeg.c
View file

@ -77,6 +77,7 @@ void
metadatamux_jpeg_lazy_update (JpegMuxData * jpeg_data)
{
gsize i;
gboolean has_exif = FALSE;
for (i = 0; i < jpeg_data->inject_chunks->len; ++i) {
if (jpeg_data->inject_chunks->chunk[i].size > 0 &&
@ -85,6 +86,28 @@ metadatamux_jpeg_lazy_update (JpegMuxData * jpeg_data)
case MD_CHUNK_EXIF:
metadatamux_wrap_chunk (&jpeg_data->inject_chunks->chunk[i], NULL, 0,
0xFF, 0xE1);
has_exif = TRUE;
break;
case MD_CHUNK_IPTC:
{
unsigned int size = jpeg_data->inject_chunks->chunk[i].size + 256;
unsigned char *buf = g_new (guint8, size);
size = iptc_jpeg_ps3_save_iptc (NULL, 0,
jpeg_data->inject_chunks->chunk[i].data,
jpeg_data->inject_chunks->chunk[i].size, buf, size);
if (size > 0) {
g_free (jpeg_data->inject_chunks->chunk[i].data);
jpeg_data->inject_chunks->chunk[i].data = buf;
jpeg_data->inject_chunks->chunk[i].size = size;
metadatamux_wrap_chunk (&jpeg_data->inject_chunks->chunk[i], NULL,
0, 0xFF, 0xED);
} else {
GST_ERROR ("Invalid IPTC chunk\n");
g_free (buf);
/* FIXME: remove entry from list */
}
}
break;
case MD_CHUNK_XMP:
{
@ -99,7 +122,7 @@ metadatamux_jpeg_lazy_update (JpegMuxData * jpeg_data)
}
}
}
if (i == jpeg_data->inject_chunks->len) {
if (!has_exif) {
/* EXIF not injected so not strip JFIF anymore */
metadata_chunk_array_clear (jpeg_data->strip_chunks);
}

4
ext/metadata/metadataxmp.c
View file

@ -76,7 +76,7 @@ metadataparse_xmp_dispose (void)
void
metadatamux_xmp_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
GstTagList * taglist)
const GstTagList * taglist)
{
/* do nothing */
}
@ -248,7 +248,7 @@ metadataparse_xmp_iter (XmpPtr xmp, XmpIteratorPtr iter)
void
metadatamux_xmp_create_chunk_from_tag_list (guint8 ** buf, guint32 * size,
GstTagList * taglist)
const GstTagList * taglist)
{
GstBuffer *xmp_chunk = NULL;
const GValue *val = NULL;

2
ext/metadata/metadataxmp.h
View file

@ -60,7 +60,7 @@ extern void metadataparse_xmp_dispose (void);
extern void
metadatamux_xmp_create_chunk_from_tag_list (guint8 ** buf, guint32 *size,
GstTagList * taglist);
const GstTagList * taglist);
G_END_DECLS
#endif /* __GST_METADATAPARSE_XMP_H__ */