tag: exif: Refactor functions declaration

Use some macros to declare serialization/deserialization
functions prototypes.
This commit is contained in:
Thiago Santos 2010-08-10 19:50:42 -03:00
parent f0d10d6375
commit 5c5a200025

View file

@ -88,6 +88,19 @@ typedef gint (*GstExifDeserializationFunc) (GstExifReader * exif_reader,
GstByteReader * reader, const GstExifTagMatch * exiftag,
GstExifTagData * tagdata);
#define EXIF_SERIALIZATION_FUNC(name) \
static void serialize_ ## name (GstExifWriter * writer, \
const GstTagList * taglist, const GstExifTagMatch * exiftag)
#define EXIF_DESERIALIZATION_FUNC(name) \
static gint deserialize_ ## name (GstExifReader * exif_reader, \
GstByteReader * reader, const GstExifTagMatch * exiftag, \
GstExifTagData * tagdata)
#define EXIF_SERIALIZATION_DESERIALIZATION_FUNC(name) \
EXIF_SERIALIZATION_FUNC (name); \
EXIF_DESERIALIZATION_FUNC (name)
struct _GstExifTagMatch
{
const gchar *gst_tag;
@ -130,36 +143,11 @@ struct _GstExifReader
gint byte_order;
};
static void serialize_orientation (GstExifWriter * writer,
const GstTagList * taglist, const GstExifTagMatch * exiftag);
static gint deserialize_orientation (GstExifReader * exif_reader,
GstByteReader * reader, const GstExifTagMatch * exiftag,
GstExifTagData * tagdata);
static void serialize_geo_coordinate (GstExifWriter * writer,
const GstTagList * taglist, const GstExifTagMatch * exiftag);
static gint deserialize_geo_coordinate (GstExifReader * exif_reader,
GstByteReader * reader, const GstExifTagMatch * exiftag,
GstExifTagData * tagdata);
static void serialize_geo_direction (GstExifWriter * writer,
const GstTagList * taglist, const GstExifTagMatch * exiftag);
static gint deserialize_geo_direction (GstExifReader * exif_reader,
GstByteReader * reader, const GstExifTagMatch * exiftag,
GstExifTagData * tagdata);
static void serialize_geo_elevation (GstExifWriter * writer,
const GstTagList * taglist, const GstExifTagMatch * exiftag);
static gint deserialize_geo_elevation (GstExifReader * exif_reader,
GstByteReader * reader, const GstExifTagMatch * exiftag,
GstExifTagData * tagdata);
static void serialize_speed (GstExifWriter * writer,
const GstTagList * taglist, const GstExifTagMatch * exiftag);
static gint deserialize_speed (GstExifReader * exif_reader,
GstByteReader * reader, const GstExifTagMatch * exiftag,
GstExifTagData * tagdata);
EXIF_SERIALIZATION_DESERIALIZATION_FUNC (orientation);
EXIF_SERIALIZATION_DESERIALIZATION_FUNC (geo_coordinate);
EXIF_SERIALIZATION_DESERIALIZATION_FUNC (geo_direction);
EXIF_SERIALIZATION_DESERIALIZATION_FUNC (geo_elevation);
EXIF_SERIALIZATION_DESERIALIZATION_FUNC (speed);
/* FIXME copyright tag has a weird "artist\0editor\0" format that is
* not yet handled */
@ -1672,3 +1660,7 @@ reader_fail:
GST_WARNING ("Failed to read fields from buffer (too short?)");
return ret;
}
#undef EXIF_SERIALIZATION_FUNC
#undef EXIF_DESERIALIZATION_FUNC
#undef EXIF_SERIALIZATION_DESERIALIZATION_FUNC