diff options
Diffstat (limited to 'make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/crc.h')
-rw-r--r-- | make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/crc.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/crc.h b/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/crc.h deleted file mode 100644 index 0540619d2..000000000 --- a/make/stub_includes/libav/lavc54.lavf54.lavu52.lavr01/libavutil/crc.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer <[email protected]> - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_CRC_H -#define AVUTIL_CRC_H - -#include <stdint.h> -#include <stddef.h> -#include "attributes.h" - -typedef uint32_t AVCRC; - -typedef enum { - AV_CRC_8_ATM, - AV_CRC_16_ANSI, - AV_CRC_16_CCITT, - AV_CRC_32_IEEE, - AV_CRC_32_IEEE_LE, /*< reversed bitorder version of AV_CRC_32_IEEE */ - AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */ -}AVCRCId; - -/** - * Initialize a CRC table. - * @param ctx must be an array of size sizeof(AVCRC)*257 or sizeof(AVCRC)*1024 - * @param le If 1, the lowest bit represents the coefficient for the highest - * exponent of the corresponding polynomial (both for poly and - * actual CRC). - * If 0, you must swap the CRC parameter and the result of av_crc - * if you need the standard representation (can be simplified in - * most cases to e.g. bswap16): - * av_bswap32(crc << (32-bits)) - * @param bits number of bits for the CRC - * @param poly generator polynomial without the x**bits coefficient, in the - * representation as specified by le - * @param ctx_size size of ctx in bytes - * @return <0 on failure - */ -int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size); - -/** - * Get an initialized standard CRC table. - * @param crc_id ID of a standard CRC - * @return a pointer to the CRC table or NULL on failure - */ -const AVCRC *av_crc_get_table(AVCRCId crc_id); - -/** - * Calculate the CRC of a block. - * @param crc CRC of previous blocks if any or initial value for CRC - * @return CRC updated with the data from the given block - * - * @see av_crc_init() "le" parameter - */ -uint32_t av_crc(const AVCRC *ctx, uint32_t crc, - const uint8_t *buffer, size_t length) av_pure; - -#endif /* AVUTIL_CRC_H */ |