diff options
Diffstat (limited to 'libavcodec/mss4.c')
| -rw-r--r-- | libavcodec/mss4.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/libavcodec/mss4.c b/libavcodec/mss4.c index 9198acc6a7..07d90ed4f3 100644 --- a/libavcodec/mss4.c +++ b/libavcodec/mss4.c @@ -2,20 +2,20 @@ * Microsoft Screen 4 (aka Microsoft Expression Encoder Screen) decoder * Copyright (c) 2012 Konstantin Shishkov * - * 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 */ @@ -125,7 +125,7 @@ static const uint8_t mss4_vec_entry_vlc_syms[2][9] = { #define MAX_ENTRIES 162 typedef struct MSS4Context { - AVFrame *pic; + AVFrame *pic; VLC dc_vlc[2], ac_vlc[2]; VLC vec_entry_vlc[2]; @@ -363,7 +363,7 @@ static int get_value_cached(GetBitContext *gb, int vec_pos, uint8_t *vec, return prev[component]; } -#define MKVAL(vals) (vals[0] | (vals[1] << 3) | (vals[2] << 6)) +#define MKVAL(vals) ((vals)[0] | ((vals)[1] << 3) | ((vals)[2] << 6)) /* Image mode - the hardest to comprehend MSS4 coding mode. * @@ -553,10 +553,8 @@ static int mss4_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, return AVERROR_INVALIDDATA; } - if ((ret = ff_reget_buffer(avctx, c->pic)) < 0) { - av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); + if ((ret = ff_reget_buffer(avctx, c->pic)) < 0) return ret; - } c->pic->key_frame = (frame_type == INTRA_FRAME); c->pic->pict_type = (frame_type == INTRA_FRAME) ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P; @@ -574,7 +572,7 @@ static int mss4_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, ff_mss34_gen_quant_mat(c->quant_mat[i], quality, !i); } - init_get_bits(&gb, buf + HEADER_SIZE, (buf_size - HEADER_SIZE) * 8); + init_get_bits8(&gb, buf + HEADER_SIZE, (buf_size - HEADER_SIZE)); mb_width = FFALIGN(width, 16) >> 4; mb_height = FFALIGN(height, 16) >> 4; @@ -652,7 +650,7 @@ static av_cold int mss4_decode_init(AVCodecContext *avctx) } for (i = 0; i < 3; i++) { c->dc_stride[i] = FFALIGN(avctx->width, 16) >> (2 + !!i); - c->prev_dc[i] = av_malloc(sizeof(**c->prev_dc) * c->dc_stride[i]); + c->prev_dc[i] = av_malloc_array(c->dc_stride[i], sizeof(**c->prev_dc)); if (!c->prev_dc[i]) { av_log(avctx, AV_LOG_ERROR, "Cannot allocate buffer\n"); mss4_free_vlcs(c); |