diff options
Diffstat (limited to 'libavcodec/sanm.c')
-rw-r--r-- | libavcodec/sanm.c | 267 |
1 files changed, 159 insertions, 108 deletions
diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c index 9f2f22b..880ef8f 100644 --- a/libavcodec/sanm.c +++ b/libavcodec/sanm.c @@ -3,20 +3,20 @@ * Copyright (c) 2006 Cyril Zorin * Copyright (c) 2011 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 */ @@ -105,108 +105,159 @@ static const int8_t motion_vectors[256][2] = { }; static const int8_t c37_mv[] = { - 0, 0, 1, 0, 2, 0, 3, 0, 5, 0, 8, 0, 13, 0, 21, - 0, -1, 0, -2, 0, -3, 0, -5, 0, -8, 0, -13, 0, -17, 0, - -21, 0, 0, 1, 1, 1, 2, 1, 3, 1, 5, 1, 8, 1, 13, - 1, 21, 1, -1, 1, -2, 1, -3, 1, -5, 1, -8, 1, -13, 1, - -17, 1, -21, 1, 0, 2, 1, 2, 2, 2, 3, 2, 5, 2, 8, - 2, 13, 2, 21, 2, -1, 2, -2, 2, -3, 2, -5, 2, -8, 2, - -13, 2, -17, 2, -21, 2, 0, 3, 1, 3, 2, 3, 3, 3, 5, - 3, 8, 3, 13, 3, 21, 3, -1, 3, -2, 3, -3, 3, -5, 3, - -8, 3, -13, 3, -17, 3, -21, 3, 0, 5, 1, 5, 2, 5, 3, - 5, 5, 5, 8, 5, 13, 5, 21, 5, -1, 5, -2, 5, -3, 5, - -5, 5, -8, 5, -13, 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6, + 1, 6, 3, 6, 6, 6, 9, 6, 22, 6, + -5, 7, -2, 7, 0, 7, 2, 7, 5, 7, + -11, 8, -8, 8, -3, 8, 0, 8, 3, 8, + 8, 8, 11, 8, -6, 9, -1, 9, 1, 9, + 6, 9, -15, 10, -4, 10, 4, 10, 15, 10, + -8, 11, -2, 11, 0, 11, 2, 11, 8, 11, + 19, 12, -19, 13, -4, 13, 4, 13, 0, 14, + -10, 15, 10, 15, -5, 17, 5, 17, 0, 18, + -12, 19, 13, 19, -6, 22, 6, 22, 0, 23, }; typedef struct SANMVideoContext { @@ -460,7 +511,7 @@ static av_cold int decode_init(AVCodecContext *avctx) } ctx->subversion = AV_RL16(avctx->extradata); - for (i = 0; i < 256; i++) + for (i = 0; i < PALETTE_SIZE; i++) ctx->pal[i] = 0xFFU << 24 | AV_RL32(avctx->extradata + 2 + i * 4); } @@ -1464,7 +1515,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, AVCodec ff_sanm_decoder = { .name = "sanm", - .long_name = NULL_IF_CONFIG_SMALL("LucasArts SANM video"), + .long_name = NULL_IF_CONFIG_SMALL("LucasArts SANM/Smush video"), .type = AVMEDIA_TYPE_VIDEO, .id = AV_CODEC_ID_SANM, .priv_data_size = sizeof(SANMVideoContext), |