avcodec/hevc/hevcdec: Don't add to null pointer
[ffmpeg.git] / libpostproc / postprocess.h
blob5decb7e8a9313ab4549cae3f6e1aaf16ce62b324
1 /*
2 * Copyright (C) 2001-2003 Michael Niedermayer (michaelni@gmx.at)
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef POSTPROC_POSTPROCESS_H
22 #define POSTPROC_POSTPROCESS_H
24 /**
25 * @file
26 * @ingroup lpp
27 * external API header
30 /**
31 * @defgroup lpp libpostproc
32 * Video postprocessing library.
34 * @{
37 #include "libpostproc/version_major.h"
38 #ifndef HAVE_AV_CONFIG_H
39 /* When included as part of the ffmpeg build, only include the major version
40 * to avoid unnecessary rebuilds. When included externally, keep including
41 * the full version information. */
42 #include "libpostproc/version.h"
43 #endif
45 /**
46 * Return the LIBPOSTPROC_VERSION_INT constant.
48 unsigned postproc_version(void);
50 /**
51 * Return the libpostproc build-time configuration.
53 const char *postproc_configuration(void);
55 /**
56 * Return the libpostproc license.
58 const char *postproc_license(void);
60 #define PP_QUALITY_MAX 6
62 #include <inttypes.h>
64 typedef void pp_context;
65 typedef void pp_mode;
67 extern const char pp_help[]; ///< a simple help text
69 void pp_postprocess(const uint8_t * src[3], const int srcStride[3],
70 uint8_t * dst[3], const int dstStride[3],
71 int horizontalSize, int verticalSize,
72 const int8_t *QP_store, int QP_stride,
73 pp_mode *mode, pp_context *ppContext, int pict_type);
76 /**
77 * Return a pp_mode or NULL if an error occurred.
79 * @param name the string after "-pp" on the command line
80 * @param quality a number from 0 to PP_QUALITY_MAX
82 pp_mode *pp_get_mode_by_name_and_quality(const char *name, int quality);
83 void pp_free_mode(pp_mode *mode);
85 pp_context *pp_get_context(int width, int height, int flags);
86 void pp_free_context(pp_context *ppContext);
88 #define PP_CPU_CAPS_MMX 0x80000000
89 #define PP_CPU_CAPS_MMX2 0x20000000
90 #define PP_CPU_CAPS_3DNOW 0x40000000
91 #define PP_CPU_CAPS_ALTIVEC 0x10000000
92 #define PP_CPU_CAPS_AUTO 0x00080000
94 #define PP_FORMAT 0x00000008
95 #define PP_FORMAT_420 (0x00000011|PP_FORMAT)
96 #define PP_FORMAT_422 (0x00000001|PP_FORMAT)
97 #define PP_FORMAT_411 (0x00000002|PP_FORMAT)
98 #define PP_FORMAT_444 (0x00000000|PP_FORMAT)
99 #define PP_FORMAT_440 (0x00000010|PP_FORMAT)
101 #define PP_PICT_TYPE_QP2 0x00000010 ///< MPEG2 style QScale
104 * @}
107 #endif /* POSTPROC_POSTPROCESS_H */