postprocess.h

mediastreamer2是开源的网络传输媒体流的库

/*
 * Copyright (C) 2001-2003 Michael Niedermayer ([e-mail])
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef FFMPEG_POSTPROCESS_H
#define FFMPEG_POSTPROCESS_H

/**
 * @file postprocess.h
 * @brief
 *     external api for the pp stuff
 */

#define LIBPOSTPROC_VERSION_INT ((51<<16)+(1<<8)+0)
#define LIBPOSTPROC_VERSION     51.1.0
#define LIBPOSTPROC_BUILD       LIBPOSTPROC_VERSION_INT

#define LIBPOSTPROC_IDENT       "postproc" AV_STRINGIFY(LIBPOSTPROC_VERSION)

#define PP_QUALITY_MAX 6

#define QP_STORE_T int8_t

#include <inttypes.h>

typedef void pp_context_t;
typedef void pp_mode_t;

#if LIBPOSTPROC_VERSION_INT < (52<<16)
extern const char *const pp_help; ///< a simple help text
#else
extern const char pp_help[]; ///< a simple help text
#endif

void  pp_postprocess(const uint8_t * src[3], const int srcStride[3],
                 uint8_t * dst[3], const int dstStride[3],
                 int horizontalSize, int verticalSize,
                 const QP_STORE_T *QP_store,  int QP_stride,
                 pp_mode_t *mode, pp_context_t *ppContext, int pict_type);


/**
 * returns a pp_mode_t or NULL if an error occured
 * name is the string after "-pp" on the command line
 * quality is a number from 0 to PP_QUALITY_MAX
 */
pp_mode_t *pp_get_mode_by_name_and_quality(const char *name, int quality);
void pp_free_mode(pp_mode_t *mode);

pp_context_t *pp_get_context(int width, int height, int flags);
void pp_free_context(pp_context_t *ppContext);

#define PP_CPU_CAPS_MMX   0x80000000
#define PP_CPU_CAPS_MMX2  0x20000000
#define PP_CPU_CAPS_3DNOW 0x40000000
#define PP_CPU_CAPS_ALTIVEC 0x10000000

#define PP_FORMAT         0x00000008
#define PP_FORMAT_420    (0x00000011|PP_FORMAT)
#define PP_FORMAT_422    (0x00000001|PP_FORMAT)
#define PP_FORMAT_411    (0x00000002|PP_FORMAT)
#define PP_FORMAT_444    (0x00000000|PP_FORMAT)

#define PP_PICT_TYPE_QP2  0x00000010 ///< MPEG2 style QScale

#endif /* FFMPEG_POSTPROCESS_H */