diff options
Diffstat (limited to 'libavcodec/snappy.h')
-rw-r--r-- | libavcodec/snappy.h | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/libavcodec/snappy.h b/libavcodec/snappy.h index 96666a8..a65cb3a 100644 --- a/libavcodec/snappy.h +++ b/libavcodec/snappy.h @@ -2,20 +2,20 @@ * Snappy module * Copyright (c) Luca Barbato * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg 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, + * 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 * 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 + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -38,14 +38,23 @@ #include "bytestream.h" /** - * Decompress an input buffer using Snappy algorithm. Caller is - * responsible of freeing the memory allocated in buf. + * Get the uncompressed length of an input buffer compressed using the Snappy + * algorithm. The GetByteContext is not advanced. * * @param gb input GetByteContext. - * @param buf output buffer pointer. - * @param size output buffer size. + * @return A positive length on success, AVERROR otherwise. + */ + int64_t ff_snappy_peek_uncompressed_length(GetByteContext *gb); + +/** + * Decompress an input buffer using Snappy algorithm. + * + * @param gb input GetByteContext. + * @param buf input buffer pointer. + * @param size input/output on input, the size of buffer, on output, the size + * of the uncompressed data. * @return 0 if success, AVERROR otherwise. */ -int ff_snappy_uncompress(GetByteContext *gb, uint8_t **buf, int64_t *size); +int ff_snappy_uncompress(GetByteContext *gb, uint8_t *buf, int64_t *size); #endif /* AVCODEC_SNAPPY_H */ |