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Small fixes in get_range and better structure for generic muxer and demuxer.

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Original commit message from CVS:
Small fixes in get_range and better structure for generic muxer and demuxer.
This commit is contained in:
Edgard Lima 2007-11-28 08:13:52 +00:00
parent 307925e307
commit c1e6c76cdb
17 changed files with 2036 additions and 215 deletions
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29
ChangeLog
View file

@ -1,3 +1,32 @@
2007-11-28 Edgard Lima <edgard.lima@indt.org.br>
* ext/metadata/Makefile.am:
* ext/metadata/gstmetadata.c:
* ext/metadata/gstmetadatamux.c:
* ext/metadata/gstmetadatamux.h:
* ext/metadata/gstmetadataparse.c:
* ext/metadata/gstmetadataparse.h:
* ext/metadata/metadata.c:
* ext/metadata/metadata.h:
* ext/metadata/metadataexif.c:
* ext/metadata/metadataexif.h:
* ext/metadata/metadataiptc.c:
* ext/metadata/metadataiptc.h:
* ext/metadata/metadataparse.c:
* ext/metadata/metadataparse.h:
* ext/metadata/metadataparseexif.c:
* ext/metadata/metadataparseexif.h:
* ext/metadata/metadataparseiptc.c:
* ext/metadata/metadataparseiptc.h:
* ext/metadata/metadataparsexmp.c:
* ext/metadata/metadataparsexmp.h:
* ext/metadata/metadatatags.c:
* ext/metadata/metadatatags.h:
* ext/metadata/metadataxmp.c:
* ext/metadata/metadataxmp.h:
Small fixes in get_range and better structure for generic muxer and
demuxer.
2007-11-26 Julien Moutte <julien@fluendo.com>
* configure.ac: Add QuickTime Wrapper plug-in.

22
ext/metadata/Makefile.am
View file

@ -2,28 +2,30 @@ plugin_LTLIBRARIES = libgstmetadata.la
libgstmetadata_la_SOURCES = gstmetadata.c \
gstmetadataparse.c \
metadataparse.c \
metadata.c \
metadataparsejpeg.c \
metadataparsepng.c \
metadataparseexif.c \
metadataparseiptc.c \
metadataparsexmp.c \
metadataexif.c \
metadataiptc.c \
metadataxmp.c \
metadataparseutil.c \
metadatatypes.c \
gstmetadatamux.c
gstmetadatamux.c \
metadatatags.c
libgstmetadata_la_CFLAGS = $(METADATA_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS)
libgstmetadata_la_LIBADD = $(METADATA_LIBS) -lgsttag-@GST_MAJORMINOR@ $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS)
libgstmetadata_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = gstmetadataparse.h \
metadataparse.h \
metadata.h \
metadataparsejpeg.h \
metadataparsepng.h \
metadataparseexif.h \
metadataparseiptc.h \
metadataparsexmp.h \
metadataexif.h \
metadataiptc.h \
metadataxmp.h \
metadataparseutil.h \
metadatatypes.h \
gstmetadatamux.h
gstmetadatamux.h \
metadatatags.h

15
ext/metadata/gstmetadata.c
View file

@ -47,15 +47,30 @@
#include <gst/gst.h>
#include "metadatatags.h"
extern gboolean gst_metadata_parse_plugin_init (GstPlugin * plugin);
extern gboolean gst_metadata_mux_plugin_init (GstPlugin * plugin);
GST_DEBUG_CATEGORY_EXTERN (gst_metadata_exif_debug);
GST_DEBUG_CATEGORY_EXTERN (gst_metadata_iptc_debug);
GST_DEBUG_CATEGORY_EXTERN (gst_metadata_xmp_debug);
static gboolean
plugin_init (GstPlugin * plugin)
{
gboolean ret = TRUE;
GST_DEBUG_CATEGORY_INIT (gst_metadata_exif_debug, "metadata_exif",
0, "Metadata exif");
GST_DEBUG_CATEGORY_INIT (gst_metadata_iptc_debug, "metadata_iptc",
0, "Metadata iptc");
GST_DEBUG_CATEGORY_INIT (gst_metadata_xmp_debug, "metadata_xmp", 0,
"Metadata xmp");
metadata_tags_register ();
ret = gst_metadata_parse_plugin_init (plugin);
ret = ret && gst_metadata_mux_plugin_init (plugin);

1573
ext/metadata/gstmetadatamux.c
View file

File diff suppressed because it is too large Load diff

47
ext/metadata/gstmetadatamux.h
View file

@ -46,8 +46,9 @@
#include <gst/gst.h>
G_BEGIN_DECLS
#include "metadata.h"
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
#define GST_TYPE_METADATA_MUX \
(gst_metadata_mux_get_type())
@ -55,20 +56,53 @@ G_BEGIN_DECLS
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_METADATA_MUX,GstMetadataMux))
#define GST_METADATA_MUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_METADATA_MUX,GstMetadataMuxClass))
#define GST_IS_METADATAMUX(obj) \
#define GST_IS_METADATA_MUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_METADATA_MUX))
#define GST_IS_METADATAMUX_CLASS(klass) \
#define GST_IS_METADATA_MUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_METADATA_MUX))
typedef struct _GstMetadataMux GstMetadataMux;
typedef struct _GstMetadataMux GstMetadataMux;
typedef struct _GstMetadataMuxClass GstMetadataMuxClass;
typedef enum _tag_MetadataState
{
MT_STATE_NULL, /* still need to check media type */
MT_STATE_MUXED
} MetadataState;
struct _GstMetadataMux
{
GstElement element;
GstPad *sinkpad, *srcpad;
gboolean exif;
gboolean iptc;
gboolean xmp;
gboolean need_send_tag;
GstTagList *taglist;
MetaData mux_data;
GstAdapter *adapter_parsing;
GstAdapter *adapter_holding;
guint32 next_offset;
guint32 next_size;
ImageType img_type;
gint64 offset_orig; /* offset in original stream */
gint64 duration_orig; /* durarion of stream */
gint64 offset; /* offset in current stream */
gint64 duration; /* durarion of modified stream */
MetadataState state;
GstBuffer * prepend_buffer;
GstBuffer * append_buffer;
gboolean need_more_data;
};
struct _GstMetadataMuxClass
@ -76,8 +110,7 @@ struct _GstMetadataMuxClass
GstElementClass parent_class;
};
GType gst_metadata_mux_get_type (void);
extern GType gst_metadata_mux_get_type (void);
G_END_DECLS
#endif /* __GST_METADATA_MUX_H__ */

117
ext/metadata/gstmetadataparse.c
View file

@ -62,22 +62,17 @@
#include "gstmetadataparse.h"
#include "metadataexif.h"
#include "metadataparseexif.h"
#include "metadataiptc.h"
#include "metadataparseiptc.h"
#include "metadataparsexmp.h"
#include "metadataxmp.h"
#include <string.h>
GST_DEBUG_CATEGORY_STATIC (gst_metadata_parse_debug);
#define GST_CAT_DEFAULT gst_metadata_parse_debug
GST_DEBUG_CATEGORY_EXTERN (gst_metadata_parse_exif_debug);
GST_DEBUG_CATEGORY_EXTERN (gst_metadata_parse_iptc_debug);
GST_DEBUG_CATEGORY_EXTERN (gst_metadata_parse_xmp_debug);
#define GOTO_DONE_IF_NULL(ptr) do { if ( NULL == (ptr) ) goto done; } while(FALSE)
#define GOTO_DONE_IF_NULL_AND_FAIL(ptr, ret) do { if ( NULL == (ptr) ) { (ret) = FALSE; goto done; } } while(FALSE)
@ -139,7 +134,7 @@ static GstFlowReturn gst_metadata_parse_chain (GstPad * pad, GstBuffer * buf);
static gboolean gst_metadata_parse_checkgetrange (GstPad * srcpad);
static gboolean
static GstFlowReturn
gst_metadata_parse_get_range (GstPad * pad, guint64 offset_orig, guint size,
GstBuffer ** buf);
@ -300,21 +295,21 @@ gst_metadata_parse_set_property (GObject * object, guint prop_id,
switch (prop_id) {
case ARG_EXIF:
if (g_value_get_boolean (value))
set_parse_option (filter->parse_data, PARSE_OPT_EXIF);
set_meta_option (filter->parse_data, META_OPT_EXIF);
else
unset_parse_option (filter->parse_data, PARSE_OPT_EXIF);
unset_meta_option (filter->parse_data, META_OPT_EXIF);
break;
case ARG_IPTC:
if (g_value_get_boolean (value))
set_parse_option (filter->parse_data, PARSE_OPT_IPTC);
set_meta_option (filter->parse_data, META_OPT_IPTC);
else
unset_parse_option (filter->parse_data, PARSE_OPT_IPTC);
unset_meta_option (filter->parse_data, META_OPT_IPTC);
break;
case ARG_XMP:
if (g_value_get_boolean (value))
set_parse_option (filter->parse_data, PARSE_OPT_XMP);
set_meta_option (filter->parse_data, META_OPT_XMP);
else
unset_parse_option (filter->parse_data, PARSE_OPT_XMP);
unset_meta_option (filter->parse_data, META_OPT_XMP);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -331,15 +326,15 @@ gst_metadata_parse_get_property (GObject * object, guint prop_id,
switch (prop_id) {
case ARG_EXIF:
g_value_set_boolean (value,
PARSE_DATA_OPTION (filter->parse_data) & PARSE_OPT_EXIF);
META_DATA_OPTION (filter->parse_data) & META_OPT_EXIF);
break;
case ARG_IPTC:
g_value_set_boolean (value,
PARSE_DATA_OPTION (filter->parse_data) & PARSE_OPT_IPTC);
META_DATA_OPTION (filter->parse_data) & META_OPT_IPTC);
break;
case ARG_XMP:
g_value_set_boolean (value,
PARSE_DATA_OPTION (filter->parse_data) & PARSE_OPT_XMP);
META_DATA_OPTION (filter->parse_data) & META_OPT_XMP);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
@ -473,8 +468,11 @@ gst_metadata_parse_src_event (GstPad * pad, GstEvent * event)
filter->prepend_buffer = NULL;
}
/* FIXME: related to append */
filter->offset = start;
gst_metadata_parse_translate_pos_to_orig (filter, start, &start,
&filter->prepend_buffer);
filter->offset_orig = start;
if (stop_type == GST_SEEK_TYPE_CUR)
stop = filter->offset + stop;
@ -562,7 +560,7 @@ gst_metadata_parse_finalize (GObject * object)
static void
gst_metadata_parse_dispose_members (GstMetadataParse * filter)
{
metadataparse_dispose (&filter->parse_data);
metadata_dispose (&filter->parse_data);
if (filter->adapter_parsing) {
gst_object_unref (filter->adapter_parsing);
@ -614,7 +612,7 @@ gst_metadata_parse_init_members (GstMetadataParse * filter)
filter->append_buffer = NULL;
filter->prepend_buffer = NULL;
memset (&filter->parse_data, 0x00, sizeof (ParseData));
memset (&filter->parse_data, 0x00, sizeof (MetaData));
}
static gboolean
@ -767,13 +765,13 @@ gst_metadata_parse_send_tags (GstMetadataParse * filter)
GstTagList *taglist;
GstEvent *event;
if (PARSE_DATA_OPTION (filter->parse_data) & PARSE_OPT_EXIF)
if (META_DATA_OPTION (filter->parse_data) & META_OPT_EXIF)
metadataparse_exif_tag_list_add (filter->taglist, GST_TAG_MERGE_KEEP,
filter->parse_data.exif_adapter);
if (PARSE_DATA_OPTION (filter->parse_data) & PARSE_OPT_IPTC)
if (META_DATA_OPTION (filter->parse_data) & META_OPT_IPTC)
metadataparse_iptc_tag_list_add (filter->taglist, GST_TAG_MERGE_KEEP,
filter->parse_data.iptc_adapter);
if (PARSE_DATA_OPTION (filter->parse_data) & PARSE_OPT_XMP)
if (META_DATA_OPTION (filter->parse_data) & META_OPT_XMP)
metadataparse_xmp_tag_list_add (filter->taglist, GST_TAG_MERGE_KEEP,
filter->parse_data.xmp_adapter);
@ -823,6 +821,9 @@ gst_metadata_parse_src_query (GstPad * pad, GstQuery * query)
}
break;
case GST_QUERY_DURATION:
if (filter->state != MT_STATE_PARSED)
goto done;
gst_query_parse_duration (query, &format, NULL);
if (format == GST_FORMAT_BYTES) {
@ -840,6 +841,8 @@ gst_metadata_parse_src_query (GstPad * pad, GstQuery * query)
break;
}
done:
gst_object_unref (filter);
return ret;
@ -863,11 +866,11 @@ gst_metadata_parse_parse (GstMetadataParse * filter, const guint8 * buf,
filter->next_offset = 0;
filter->next_size = 0;
ret = metadataparse_parse (&filter->parse_data, buf, size,
ret = metadata_parse (&filter->parse_data, buf, size,
&filter->next_offset, &filter->next_size);
if (ret < 0) {
if (PARSE_DATA_IMG_TYPE (filter->parse_data) == IMG_NONE) {
if (META_DATA_IMG_TYPE (filter->parse_data) == IMG_NONE) {
/* image type not recognized */
GST_ELEMENT_ERROR (filter, STREAM, TYPE_NOT_FOUND, (NULL),
("Only jpeg and png are supported"));
@ -928,8 +931,8 @@ gst_metadata_parse_parse (GstMetadataParse * filter, const guint8 * buf,
filter->need_send_tag = TRUE;
}
if (filter->img_type != PARSE_DATA_IMG_TYPE (filter->parse_data)) {
filter->img_type = PARSE_DATA_IMG_TYPE (filter->parse_data);
if (filter->img_type != META_DATA_IMG_TYPE (filter->parse_data)) {
filter->img_type = META_DATA_IMG_TYPE (filter->parse_data);
if (!gst_metadata_parse_configure_caps (filter)) {
GST_ELEMENT_ERROR (filter, STREAM, FORMAT, (NULL),
("Couldn't reconfigure caps for %s",
@ -966,8 +969,6 @@ gst_metadata_parse_chain (GstPad * pad, GstBuffer * buf)
filter = GST_METADATA_PARSE (gst_pad_get_parent (pad));
/* commented until I figure out how to strip if it wasn't parsed yet */
if (filter->state != MT_STATE_PARSED) {
guint32 adpt_size = gst_adapter_available (filter->adapter_parsing);
@ -1607,22 +1608,26 @@ gst_metadata_parse_checkgetrange (GstPad * srcpad)
return gst_pad_check_pull_range (filter->sinkpad);
}
static gboolean
static GstFlowReturn
gst_metadata_parse_get_range (GstPad * pad,
guint64 offset, guint size, GstBuffer ** buf)
{
GstMetadataParse *filter = NULL;
gboolean ret = TRUE;
const gint64 offset_orig = 0;
GstFlowReturn ret = GST_FLOW_OK;
gint64 offset_orig = 0;
guint size_orig;
GstBuffer *prepend = NULL;
gboolean need_append = FALSE;
filter = GST_METADATA_PARSE (GST_PAD_PARENT (pad));
if (filter->state != MT_STATE_PARSED) {
ret = GST_FLOW_ERROR;
goto done;
}
if (offset + size > filter->duration) {
/* this should never happen */
return FALSE;
size = filter->duration - offset;
}
size_orig = size;
@ -1647,10 +1652,7 @@ gst_metadata_parse_get_range (GstPad * pad,
ret = gst_pad_pull_range (filter->sinkpad, offset_orig, size_orig, buf);
if (ret == GST_FLOW_OK && *buf) {
/* FIXEME: put prepend here */
gst_metadata_parse_strip_push_buffer (filter, offset_orig, &prepend, buf);
filter->offset_orig = offset;
filter->offset = offset;
if (GST_BUFFER_SIZE (*buf) < size) {
/* need append */
@ -1664,6 +1666,15 @@ gst_metadata_parse_get_range (GstPad * pad,
done:
if (need_append) {
/* FIXME: together with SEEK and
* gst_metadata_parse_translate_pos_to_orig
* this way if chunk is added in the end we are in trolble
* ...still not implemented 'cause it will not be the
* case for the time being
*/
}
return ret;
}
@ -1700,7 +1711,7 @@ gst_metadata_parse_change_state (GstElement * element,
gst_metadata_parse_init_members (filter);
filter->adapter_parsing = gst_adapter_new ();
filter->taglist = gst_tag_list_new ();
metadataparse_init (&filter->parse_data);
metadata_init (&filter->parse_data);
break;
default:
break;
@ -1711,6 +1722,22 @@ gst_metadata_parse_change_state (GstElement * element,
goto done;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
filter->offset = 0;
filter->offset_orig = 0;
if (filter->adapter_parsing) {
gst_adapter_clear (filter->adapter_parsing);
}
if (filter->adapter_holding) {
gst_adapter_clear (filter->adapter_holding);
}
if (filter->state != MT_STATE_PARSED) {
/* cleanup parser */
/* FIXME: could be improved a bit to avoid mem allocation */
metadata_dispose (&filter->parse_data);
metadata_init (&filter->parse_data);
}
break;
case GST_STATE_CHANGE_READY_TO_NULL:
gst_metadata_parse_dispose_members (filter);
break;
@ -1733,20 +1760,6 @@ gst_metadata_parse_plugin_init (GstPlugin * plugin)
GST_DEBUG_CATEGORY_INIT (gst_metadata_parse_debug, "metadataparse", 0,
"Metadata demuxer");
GST_DEBUG_CATEGORY_INIT (gst_metadata_parse_exif_debug, "metadataparse_exif",
0, "Metadata exif demuxer");
GST_DEBUG_CATEGORY_INIT (gst_metadata_parse_iptc_debug, "metadataparse_iptc",
0, "Metadata iptc demuxer");
GST_DEBUG_CATEGORY_INIT (gst_metadata_parse_xmp_debug, "metadataparse_xmp", 0,
"Metadata xmp demuxer");
/* FIXME: register tag should be done by plugin 'cause muxer element also uses it */
metadataparse_exif_tags_register ();
metadataparse_iptc_tags_register ();
metadataparse_xmp_tags_register ();
return gst_element_register (plugin, "metadataparse",
GST_RANK_PRIMARY + 1, GST_TYPE_METADATA_PARSE);
}

4
ext/metadata/gstmetadataparse.h
View file

@ -46,7 +46,7 @@
#include <gst/gst.h>
#include "metadataparse.h"
#include "metadata.h"
G_BEGIN_DECLS
/* #defines don't like whitespacey bits */
@ -82,7 +82,7 @@ struct _GstMetadataParse
gboolean need_send_tag;
GstTagList *taglist;
ParseData parse_data;
MetaData parse_data;
GstAdapter *adapter_parsing;
GstAdapter *adapter_holding;
guint32 next_offset;

105
ext/metadata/metadataparse.c → ext/metadata/metadata.c
View file

@ -43,14 +43,14 @@
#include <string.h>
#include "metadataparse.h"
#include "metadata.h"
/*
*static declarations
*/
static int
metadataparse_parse_none (ParseData * parse_data, const guint8 * buf,
metadata_parse_none (MetaData * meta_data, const guint8 * buf,
guint32 * bufsize, guint8 ** next_start, guint32 * next_size);
/*
@ -58,17 +58,17 @@ metadataparse_parse_none (ParseData * parse_data, const guint8 * buf,
*/
void
metadataparse_init (ParseData * parse_data)
metadata_init (MetaData * meta_data)
{
parse_data->state = STATE_NULL;
parse_data->img_type = IMG_NONE;
parse_data->option = PARSE_OPT_ALL;
parse_data->offset_orig = 0;
parse_data->exif_adapter = NULL;
parse_data->iptc_adapter = NULL;
parse_data->xmp_adapter = NULL;
metadata_chunk_array_init (&parse_data->strip_chunks, 4);
metadata_chunk_array_init (&parse_data->inject_chunks, 1);
meta_data->state = STATE_NULL;
meta_data->img_type = IMG_NONE;
meta_data->option = META_OPT_ALL;
meta_data->offset_orig = 0;
meta_data->exif_adapter = NULL;
meta_data->iptc_adapter = NULL;
meta_data->xmp_adapter = NULL;
metadata_chunk_array_init (&meta_data->strip_chunks, 4);
metadata_chunk_array_init (&meta_data->inject_chunks, 1);
}
/*
@ -80,7 +80,7 @@ metadataparse_init (ParseData * parse_data)
* 1 -> need more data
*/
int
metadataparse_parse (ParseData * parse_data, const guint8 * buf,
metadata_parse (MetaData * meta_data, const guint8 * buf,
guint32 bufsize, guint32 * next_offset, guint32 * next_size)
{
@ -88,27 +88,26 @@ metadataparse_parse (ParseData * parse_data, const guint8 * buf,
guint8 *next_start = (guint8 *) buf;
if (parse_data->state == STATE_NULL) {
if (meta_data->state == STATE_NULL) {
ret =
metadataparse_parse_none (parse_data, buf, &bufsize, &next_start,
next_size);
metadata_parse_none (meta_data, buf, &bufsize, &next_start, next_size);
if (ret == 0)
parse_data->state = STATE_READING;
meta_data->state = STATE_READING;
else
goto done;
}
switch (parse_data->img_type) {
switch (meta_data->img_type) {
case IMG_JPEG:
ret =
metadataparse_jpeg_parse (&parse_data->format_data.jpeg,
(guint8 *) buf, &bufsize, parse_data->offset_orig, &next_start,
metadataparse_jpeg_parse (&meta_data->format_data.jpeg,
(guint8 *) buf, &bufsize, meta_data->offset_orig, &next_start,
next_size);
break;
case IMG_PNG:
ret =
metadataparse_png_parse (&parse_data->format_data.png,
(guint8 *) buf, &bufsize, parse_data->offset_orig, &next_start,
metadataparse_png_parse (&meta_data->format_data.png,
(guint8 *) buf, &bufsize, meta_data->offset_orig, &next_start,
next_size);
break;
default:
@ -119,46 +118,46 @@ metadataparse_parse (ParseData * parse_data, const guint8 * buf,
}
*next_offset = next_start - buf;
parse_data->offset_orig += *next_offset;
meta_data->offset_orig += *next_offset;
done:
if (ret == 0) {
parse_data->state = STATE_DONE;
meta_data->state = STATE_DONE;
}
return ret;
}
void
metadataparse_dispose (ParseData * parse_data)
metadata_dispose (MetaData * meta_data)
{
switch (parse_data->img_type) {
switch (meta_data->img_type) {
case IMG_JPEG:
metadataparse_jpeg_dispose (&parse_data->format_data.jpeg);
metadataparse_jpeg_dispose (&meta_data->format_data.jpeg);
break;
case IMG_PNG:
metadataparse_png_dispose (&parse_data->format_data.png);
metadataparse_png_dispose (&meta_data->format_data.png);
break;
}
metadata_chunk_array_free (&parse_data->strip_chunks);
metadata_chunk_array_free (&parse_data->inject_chunks);
metadata_chunk_array_free (&meta_data->strip_chunks);
metadata_chunk_array_free (&meta_data->inject_chunks);
if (parse_data->xmp_adapter) {
gst_object_unref (parse_data->xmp_adapter);
parse_data->xmp_adapter = NULL;
if (meta_data->xmp_adapter) {
gst_object_unref (meta_data->xmp_adapter);
meta_data->xmp_adapter = NULL;
}
if (parse_data->iptc_adapter) {
gst_object_unref (parse_data->iptc_adapter);
parse_data->iptc_adapter = NULL;
if (meta_data->iptc_adapter) {
gst_object_unref (meta_data->iptc_adapter);
meta_data->iptc_adapter = NULL;
}
if (parse_data->exif_adapter) {
gst_object_unref (parse_data->exif_adapter);
parse_data->exif_adapter = NULL;
if (meta_data->exif_adapter) {
gst_object_unref (meta_data->exif_adapter);
meta_data->exif_adapter = NULL;
}
}
@ -169,7 +168,7 @@ metadataparse_dispose (ParseData * parse_data)
/* find image type */
static int
metadataparse_parse_none (ParseData * parse_data, const guint8 * buf,
metadata_parse_none (MetaData * meta_data, const guint8 * buf,
guint32 * bufsize, guint8 ** next_start, guint32 * next_size)
{
@ -180,7 +179,7 @@ metadataparse_parse_none (ParseData * parse_data, const guint8 * buf,
*next_start = (guint8 *) buf;
parse_data->img_type = IMG_NONE;
meta_data->img_type = IMG_NONE;
if (*bufsize < 3) {
*next_size = 3;
@ -188,18 +187,18 @@ metadataparse_parse_none (ParseData * parse_data, const guint8 * buf,
goto done;
}
if (parse_data->option & PARSE_OPT_EXIF)
exif = &parse_data->exif_adapter;
if (parse_data->option & PARSE_OPT_IPTC)
iptc = &parse_data->iptc_adapter;
if (parse_data->option & PARSE_OPT_XMP)
xmp = &parse_data->xmp_adapter;
if (meta_data->option & META_OPT_EXIF)
exif = &meta_data->exif_adapter;
if (meta_data->option & META_OPT_IPTC)
iptc = &meta_data->iptc_adapter;
if (meta_data->option & META_OPT_XMP)
xmp = &meta_data->xmp_adapter;
if (buf[0] == 0xFF && buf[1] == 0xD8 && buf[2] == 0xFF) {
metadataparse_jpeg_init (&parse_data->format_data.jpeg, exif, iptc, xmp,
&parse_data->strip_chunks, &parse_data->inject_chunks);
metadataparse_jpeg_init (&meta_data->format_data.jpeg, exif, iptc, xmp,
&meta_data->strip_chunks, &meta_data->inject_chunks);
ret = 0;
parse_data->img_type = IMG_JPEG;
meta_data->img_type = IMG_JPEG;
goto done;
}
@ -211,10 +210,10 @@ metadataparse_parse_none (ParseData * parse_data, const guint8 * buf,
if (buf[0] == 0x89 && buf[1] == 0x50 && buf[2] == 0x4E && buf[3] == 0x47 &&
buf[4] == 0x0D && buf[5] == 0x0A && buf[6] == 0x1A && buf[7] == 0x0A) {
metadataparse_png_init (&parse_data->format_data.png, exif, iptc, xmp,
&parse_data->strip_chunks, &parse_data->inject_chunks);
metadataparse_png_init (&meta_data->format_data.png, exif, iptc, xmp,
&meta_data->strip_chunks, &meta_data->inject_chunks);
ret = 0;
parse_data->img_type = IMG_PNG;
meta_data->img_type = IMG_PNG;
goto done;
}

44
ext/metadata/metadataparse.h → ext/metadata/metadata.h
View file

@ -41,8 +41,8 @@
* Boston, MA 02111-1307, USA.
*/
#ifndef __METADATAPARSE_H__
#define __METADATAPARSE_H__
#ifndef __METADATA_H__
#define __METADATA_H__
#include <gst/base/gstadapter.h>
#include "metadatatypes.h"
@ -52,20 +52,20 @@
G_BEGIN_DECLS
typedef enum _tag_ParseOption
typedef enum _tag_MetaOption
{
PARSE_OPT_EXIF = (1 << 0),
PARSE_OPT_IPTC = (1 << 1),
PARSE_OPT_XMP = (1 << 2),
PARSE_OPT_ALL = (1 << 3) - 1
} ParseOption;
META_OPT_EXIF = (1 << 0),
META_OPT_IPTC = (1 << 1),
META_OPT_XMP = (1 << 2),
META_OPT_ALL = (1 << 3) - 1
} MetaOption;
typedef enum _tag_ParseState
typedef enum _tag_MetaState
{
STATE_NULL,
STATE_READING,
STATE_DONE
} ParseState;
} MetaState;
typedef enum _tag_ImageType
{
@ -74,11 +74,11 @@ typedef enum _tag_ImageType
IMG_PNG
} ImageType;
typedef struct _tag_ParseData
typedef struct _tag_MetaData
{
ParseState state;
MetaState state;
ImageType img_type;
ParseOption option;
MetaOption option;
guint32 offset_orig; /* offset since begining of stream */
union
{
@ -92,14 +92,14 @@ typedef struct _tag_ParseData
MetadataChunkArray strip_chunks;
MetadataChunkArray inject_chunks;
} ParseData;
} MetaData;
#define PARSE_DATA_IMG_TYPE(p) (p).img_type
#define PARSE_DATA_OPTION(p) (p).option
#define set_parse_option(p, m) do { (p).option = (p).option | (m); } while(FALSE)
#define unset_parse_option(p, m) do { (p).option = (p).option & ~(m); } while(FALSE)
#define META_DATA_IMG_TYPE(p) (p).img_type
#define META_DATA_OPTION(p) (p).option
#define set_meta_option(p, m) do { (p).option = (p).option | (m); } while(FALSE)
#define unset_meta_option(p, m) do { (p).option = (p).option & ~(m); } while(FALSE)
extern void metadataparse_init (ParseData * parse_data);
extern void metadata_init (MetaData * meta_data);
/*
* offset: number of bytes that MUST be jumped after current "buf" pointer
@ -112,11 +112,11 @@ extern void metadataparse_init (ParseData * parse_data);
* 1 -> need more data
*/
extern int
metadataparse_parse (ParseData * parse_data, const guint8 * buf,
metadata_meta (MetaData * meta_data, const guint8 * buf,
guint32 bufsize, guint32 * next_offset, guint32 * next_size);
extern void metadataparse_dispose (ParseData * parse_data);
extern void metadata_dispose (MetaData * meta_data);
G_END_DECLS
#endif /* __METADATAPARSE_H__ */
#endif /* __METADATA_H__ */

44
ext/metadata/metadataparseexif.c → ext/metadata/metadataexif.c
View file

@ -41,20 +41,12 @@
* Boston, MA 02111-1307, USA.
*/
#include "metadataparseexif.h"
#include "metadataexif.h"
#include "metadataparseutil.h"
#include "metadatatags.h"
GST_DEBUG_CATEGORY (gst_metadata_parse_exif_debug);
#define GST_CAT_DEFAULT gst_metadata_parse_exif_debug
#define GST_TAG_EXIF "exif"
void
metadataparse_exif_tags_register (void)
{
gst_tag_register (GST_TAG_EXIF, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, GST_TAG_EXIF, "exif metadata chunk", NULL);
}
GST_DEBUG_CATEGORY (gst_metadata_exif_debug);
#define GST_CAT_DEFAULT gst_metadata_exif_debug
#ifndef HAVE_EXIF
@ -69,6 +61,13 @@ metadataparse_exif_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
}
void
metadatamux_exif_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist)
{
/* do nothing */
}
#else /* ifndef HAVE_EXIF */
#include <libexif/exif-data.h>
@ -145,4 +144,25 @@ exif_content_foreach_entry_func (ExifEntry * entry, void *user_data)
exif_tag_get_description_in_ifd (entry->tag, EXIF_IFD_0));
}
/*
*
*/
void
metadatamux_exif_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist)
{
if (adapter == NULL)
goto done;
if (*adapter)
g_object_unref (*adapter);
*adapter = gst_adapter_new ();
done:
return;
}
#endif /* else (ifndef HAVE_EXIF) */

7
ext/metadata/metadataparseexif.h → ext/metadata/metadataexif.h
View file

@ -48,11 +48,14 @@
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
extern void
extern void
metadataparse_exif_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
GstAdapter * adapter);
extern void metadataparse_exif_tags_register (void);
extern void
metadatamux_exif_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist);
G_END_DECLS
#endif /* __GST_METADATAPARSE_EXIF_H__ */

41
ext/metadata/metadataparseiptc.c → ext/metadata/metadataiptc.c
View file

@ -41,20 +41,12 @@
* Boston, MA 02111-1307, USA.
*/
#include "metadataparseiptc.h"
#include "metadataiptc.h"
#include "metadataparseutil.h"
#include "metadatatags.h"
GST_DEBUG_CATEGORY (gst_metadata_parse_iptc_debug);
#define GST_CAT_DEFAULT gst_metadata_parse_iptc_debug
#define GST_TAG_IPTC "iptc"
void
metadataparse_iptc_tags_register (void)
{
gst_tag_register (GST_TAG_IPTC, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, GST_TAG_IPTC, "iptc metadata chunk", NULL);
}
GST_DEBUG_CATEGORY (gst_metadata_iptc_debug);
#define GST_CAT_DEFAULT gst_metadata_iptc_debug
#ifndef HAVE_IPTC
@ -69,6 +61,14 @@ metadataparse_iptc_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
}
void
metadatamux_iptc_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist)
{
/* do nothing */
}
#else /* ifndef HAVE_IPTC */
#include <iptc-data.h>
@ -124,4 +124,21 @@ iptc_data_foreach_dataset_func (IptcDataSet * dataset, void *user_data)
GST_LOG ("value = %s", iptc_dataset_get_as_str (dataset, buf, 256));
}
void
metadatamux_iptc_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist)
{
if (adapter == NULL)
goto done;
if (*adapter)
g_object_unref (*adapter);
*adapter = gst_adapter_new ();
done:
return;
}
#endif /* else (ifndef HAVE_IPTC) */

4
ext/metadata/metadataparseiptc.h → ext/metadata/metadataiptc.h
View file

@ -53,7 +53,9 @@ extern void
metadataparse_iptc_tag_list_add (GstTagList * taglist, GstTagMergeMode mode,
GstAdapter * adapter);
extern void metadataparse_iptc_tags_register (void);
extern void
metadatamux_iptc_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist);
G_END_DECLS
#endif /* __GST_METADATAPARSE_IPTC_H__ */

91
ext/metadata/metadatatags.c Normal file
View file

@ -0,0 +1,91 @@
/*
* GStreamer
* Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "metadatatags.h"
/*
* EXIF tags
*/
static void
metadata_tags_exif_register (void)
{
gst_tag_register (GST_TAG_EXIF, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, GST_TAG_EXIF, "exif metadata chunk", NULL);
}
/*
* IPTC tags
*/
static void
metadata_tags_iptc_register (void)
{
gst_tag_register (GST_TAG_IPTC, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, GST_TAG_IPTC, "iptc metadata chunk", NULL);
}
/*
* XMP tags
*/
static void
metadata_tags_xmp_register (void)
{
gst_tag_register (GST_TAG_XMP, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, GST_TAG_XMP, "xmp metadata chunk", NULL);
}
/*
*
*/
void
metadata_tags_register (void)
{
metadata_tags_exif_register ();
metadata_tags_iptc_register ();
metadata_tags_xmp_register ();
}

62
ext/metadata/metadatatags.h Normal file
View file

@ -0,0 +1,62 @@
/*
* GStreamer
* Copyright 2007 Edgard Lima <edgard.lima@indt.org.br>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Alternatively, the contents of this file may be used under the
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
* which case the following provisions apply instead of the ones
* mentioned above:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_METADATA_TAGS_H__
#define __GST_METADATA_TAGS_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
#define GST_TAG_EXIF "exif"
#define GST_TAG_IPTC "iptc"
#define GST_TAG_XMP "xmp"
extern void
metadata_tags_register (void);
G_END_DECLS
#endif /* __GST_METADATA_TAGS_H__ */

40
ext/metadata/metadataparsexmp.c → ext/metadata/metadataxmp.c
View file

@ -41,20 +41,12 @@
* Boston, MA 02111-1307, USA.
*/
#include "metadataparsexmp.h"
#include "metadataxmp.h"
#include "metadataparseutil.h"
#include "metadatatags.h"
GST_DEBUG_CATEGORY (gst_metadata_parse_xmp_debug);
#define GST_CAT_DEFAULT gst_metadata_parse_xmp_debug
#define GST_TAG_XMP "xmp"
void
metadataparse_xmp_tags_register (void)
{
gst_tag_register (GST_TAG_XMP, GST_TAG_FLAG_META,
GST_TYPE_BUFFER, GST_TAG_XMP, "xmp metadata chunk", NULL);
}
GST_DEBUG_CATEGORY (gst_metadata_xmp_debug);
#define GST_CAT_DEFAULT gst_metadata_xmp_debug
#ifndef HAVE_XMP
@ -81,6 +73,13 @@ metadataparse_xmp_dispose (void)
return;
}
void
metadatamux_xmp_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist)
{
/* do nothing */
}
#else /* ifndef HAVE_XMP */
#include <xmp.h>
@ -242,4 +241,21 @@ metadataparse_xmp_iter (XmpPtr xmp, XmpIteratorPtr iter)
}
}
void
metadatamux_xmp_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist)
{
if (adapter == NULL)
goto done;
if (*adapter)
g_object_unref (*adapter);
*adapter = gst_adapter_new ();
done:
return;
}
#endif /* else (ifndef HAVE_XMP) */

4
ext/metadata/metadataparsexmp.h → ext/metadata/metadataxmp.h
View file

@ -57,7 +57,9 @@ extern gboolean metadataparse_xmp_init (void);
extern void metadataparse_xmp_dispose (void);
extern void metadataparse_xmp_tags_register (void);
extern void
metadatamux_xmp_create_chunk_from_tag_list (GstAdapter ** adapter,
GstTagList * taglist);
G_END_DECLS
#endif /* __GST_METADATAPARSE_XMP_H__ */