From e20d5ae3622d5d656dc28d7a090aee76b08158b0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pablo=20Mart=C3=ADn?= Date: Sun, 7 Sep 2003 20:01:24 +0000 Subject: updating pdp to current version 0.12.2 svn path=/trunk/externals/pdp/; revision=936 --- include/pdp_image.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 include/pdp_image.h (limited to 'include/pdp_image.h') diff --git a/include/pdp_image.h b/include/pdp_image.h new file mode 100644 index 0000000..f9689d7 --- /dev/null +++ b/include/pdp_image.h @@ -0,0 +1,99 @@ +/* + * Pure Data Packet system implementation. Image packet interface + * Copyright (c) by Tom Schouten + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +/* + This file contains methods for the image packets + pdp_packet_new_* methods are several image packet constructors + + It also contains some pdp_type_ methods, for type checking + and conversion. + +*/ + +#ifndef PDP_IMAGE_H +#define PDP_IMAGE_H + + + +/* image subheader */ +typedef struct _image +{ + /* standard images */ + unsigned int encoding; /* image encoding (data format) */ + unsigned int width; /* image width in pixels */ + unsigned int height; /* image height in pixels */ + unsigned int depth; /* number of colour planes if PDP_IMAGE_MCHP */ + unsigned int chanmask; /* channel bitmask to mask out inactive channels (0 == not used) */ + + /* sliced image extensions */ /* THIS IS EXPERIMENTAL, DON'T DEPEND ON IT */ + unsigned int slice_sync; /* slice synchro information */ + unsigned int slice_yoff; /* y offset of the slice in original image */ + unsigned int orig_height; /* height of original image (this is zero for ordinary images) */ + +} t_image; + + +/* image encodings */ +#define PDP_IMAGE_YV12 1 /* 24bbp: 16 bit Y plane followed by 16 bit 2x2 subsampled V and U planes.*/ +#define PDP_IMAGE_GREY 2 /* 16bbp: 16 bit Y plane */ +#define PDP_IMAGE_MCHP 4 /* generic 16bit multi channel planar (16 bit 3D tensor) */ + +/* slice synchro information */ +#define PDP_IMAGE_SLICE_FIRST (1<<0) +#define PDP_IMAGE_SLICE_LAST (1<<1) +#define PDP_IMAGE_SLICE_BODY (1<<2) + + + +/* all symbols are C style */ +#ifdef __cplusplus +extern "C" +{ +#endif + + + + +/* validate and compat check */ +bool pdp_packet_image_isvalid(int packet); +bool pdp_packet_image_compat(int packet0, int packet1); + +/* short cuts to create specific packets */ +int pdp_packet_new_image(u32 encoding, u32 width, u32 height); +int pdp_packet_new_image_YCrCb(u32 width, u32 height); +int pdp_packet_new_image_grey(u32 width, u32 height); +int pdp_packet_new_image_mchp(u32 width, u32 height, u32 depth); + +#define pdp_packet_new_image_multi pdp_packet_new_image_mchp + +/* get info */ +t_pdp_symbol *pdp_packet_image_get_description(int packet); +t_image *pdp_packet_image_info(int packet); + +/* set props */ +void pdp_packet_image_set_chanmask(int packet, unsigned int chanmask); + + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.1