diff options
Diffstat (limited to 'libavcodec/bytestream.h')
| -rw-r--r-- | libavcodec/bytestream.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/libavcodec/bytestream.h b/libavcodec/bytestream.h index 0f89558e3d..f2458591cb 100644 --- a/libavcodec/bytestream.h +++ b/libavcodec/bytestream.h @@ -3,20 +3,20 @@ * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr> * Copyright (c) 2012 Aneesh Dogra (lionaneesh) <lionaneesh@gmail.com> * - * 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 */ @@ -26,6 +26,7 @@ #include <stdint.h> #include <string.h> +#include "libavutil/avassert.h" #include "libavutil/common.h" #include "libavutil/intreadwrite.h" @@ -131,6 +132,7 @@ static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size) { + av_assert0(buf_size >= 0); g->buffer = buf; g->buffer_start = buf; g->buffer_end = buf + buf_size; @@ -140,6 +142,7 @@ static av_always_inline void bytestream2_init_writer(PutByteContext *p, uint8_t *buf, int buf_size) { + av_assert0(buf_size >= 0); p->buffer = buf; p->buffer_start = buf; p->buffer_end = buf + buf_size; @@ -190,6 +193,16 @@ static av_always_inline int bytestream2_tell_p(PutByteContext *p) return (int)(p->buffer - p->buffer_start); } +static av_always_inline int bytestream2_size(GetByteContext *g) +{ + return (int)(g->buffer_end - g->buffer_start); +} + +static av_always_inline int bytestream2_size_p(PutByteContext *p) +{ + return (int)(p->buffer_end - p->buffer_start); +} + static av_always_inline int bytestream2_seek(GetByteContext *g, int offset, int whence) |