X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fidcinvideo.c;h=ac56e19442d5da4b4962fef019cdb848bbe420d1;hb=5f0bb0baefd506d684adfa1ad4259c65973b455e;hp=43889a6714e6caf268f0102661de4a8c7b342d1b;hpb=fe4bf37455e81ecf2c0b769c979bdf6eec785602;p=ffmpeg diff --git a/libavcodec/idcinvideo.c b/libavcodec/idcinvideo.c index 43889a6714e..ac56e19442d 100644 --- a/libavcodec/idcinvideo.c +++ b/libavcodec/idcinvideo.c @@ -2,25 +2,25 @@ * id Quake II CIN Video Decoder * Copyright (C) 2003 the ffmpeg project * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav 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. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav 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 FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file idcinvideo.c + * @file * id Quake II Cin Video Decoder by Dr. Tim Ferguson * For more information about the id CIN format, visit: * http://www.csse.monash.edu.au/~timf/ @@ -47,7 +47,6 @@ #include #include #include -#include #include "avcodec.h" @@ -60,7 +59,7 @@ typedef struct int count; unsigned char used; int children[2]; -} hnode_t; +} hnode; typedef struct IdcinContext { @@ -70,18 +69,19 @@ typedef struct IdcinContext { const unsigned char *buf; int size; - hnode_t huff_nodes[256][HUF_TOKENS*2]; + hnode huff_nodes[256][HUF_TOKENS*2]; int num_huff_nodes[256]; + uint32_t pal[256]; } IdcinContext; /* * Find the lowest probability node in a Huffman table, and mark it as * being assigned to a higher probability. - * Returns the node index of the lowest unused node, or -1 if all nodes + * @return the node index of the lowest unused node, or -1 if all nodes * are used. */ -static int huff_smallest_node(hnode_t *hnodes, int num_hnodes) { +static int huff_smallest_node(hnode *hnodes, int num_hnodes) { int i; int best, best_node; @@ -114,7 +114,7 @@ static int huff_smallest_node(hnode_t *hnodes, int num_hnodes) { * That is: huff_nodes[prev][num_huff_nodes[prev]] is the root node. */ static av_cold void huff_build_tree(IdcinContext *s, int prev) { - hnode_t *node, *hnodes; + hnode *node, *hnodes; int num_hnodes, i; num_hnodes = HUF_TOKENS; @@ -173,7 +173,7 @@ static av_cold int idcin_decode_init(AVCodecContext *avctx) static void idcin_decode_vlcs(IdcinContext *s) { - hnode_t *hnodes; + hnode *hnodes; long x, y; int prev; unsigned char v = 0; @@ -209,10 +209,12 @@ static void idcin_decode_vlcs(IdcinContext *s) static int idcin_decode_frame(AVCodecContext *avctx, void *data, int *data_size, - const uint8_t *buf, int buf_size) + AVPacket *avpkt) { + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; IdcinContext *s = avctx->priv_data; - AVPaletteControl *palette_control = avctx->palctrl; + const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); s->buf = buf; s->size = buf_size; @@ -227,13 +229,12 @@ static int idcin_decode_frame(AVCodecContext *avctx, idcin_decode_vlcs(s); - /* make the palette available on the way out */ - memcpy(s->frame.data[1], palette_control->palette, PALETTE_COUNT * 4); - /* If palette changed inform application*/ - if (palette_control->palette_changed) { - palette_control->palette_changed = 0; + if (pal) { s->frame.palette_has_changed = 1; + memcpy(s->pal, pal, AVPALETTE_SIZE); } + /* make the palette available on the way out */ + memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE); *data_size = sizeof(AVFrame); *(AVFrame*)data = s->frame; @@ -252,9 +253,9 @@ static av_cold int idcin_decode_end(AVCodecContext *avctx) return 0; } -AVCodec idcin_decoder = { +AVCodec ff_idcin_decoder = { "idcinvideo", - CODEC_TYPE_VIDEO, + AVMEDIA_TYPE_VIDEO, CODEC_ID_IDCIN, sizeof(IdcinContext), idcin_decode_init,