diff options
Diffstat (limited to 'libavcodec/ac3dec.h')
| -rw-r--r-- | libavcodec/ac3dec.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/libavcodec/ac3dec.h b/libavcodec/ac3dec.h index 6cba95b495..d3fe3e782b 100644 --- a/libavcodec/ac3dec.h +++ b/libavcodec/ac3dec.h @@ -2,20 +2,20 @@ * Common code between the AC-3 and E-AC-3 decoders * Copyright (c) 2007 Bartlomiej Wolowiec <bartek.wolowiec@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 */ @@ -67,10 +67,12 @@ #define SPX_MAX_BANDS 17 +/** Large enough for maximum possible frame size when the specification limit is ignored */ +#define AC3_FRAME_BUFFER_SIZE 32768 + typedef struct { AVCodecContext *avctx; ///< parent context GetBitContext gbc; ///< bitstream reader - uint8_t *input_buffer; ///< temp buffer to prevent overread ///@defgroup bsi bit stream information ///@{ @@ -205,6 +207,7 @@ typedef struct { DECLARE_ALIGNED(32, float, window)[AC3_BLOCK_SIZE]; ///< window coefficients DECLARE_ALIGNED(32, float, tmp_output)[AC3_BLOCK_SIZE]; ///< temporary storage for output before windowing DECLARE_ALIGNED(32, float, output)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE]; ///< output after imdct transform and windowing + DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread ///@} } AC3DecodeContext; |