diff options
Diffstat (limited to 'ffmpeg/libavcodec/txd.c')
| -rw-r--r-- | ffmpeg/libavcodec/txd.c | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/ffmpeg/libavcodec/txd.c b/ffmpeg/libavcodec/txd.c deleted file mode 100644 index ad1a015..0000000 --- a/ffmpeg/libavcodec/txd.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * Renderware TeXture Dictionary (.txd) image decoder - * Copyright (c) 2007 Ivo van Poorten - * - * See also: http://wiki.multimedia.cx/index.php?title=TXD - * - * This file is part of FFmpeg. - * - * 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. - * - * 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/intreadwrite.h" -#include "libavutil/imgutils.h" -#include "bytestream.h" -#include "avcodec.h" -#include "internal.h" -#include "s3tc.h" - -static int txd_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, - AVPacket *avpkt) { - GetByteContext gb; - AVFrame * const p = data; - unsigned int version, w, h, d3d_format, depth, stride, flags; - unsigned int y, v; - uint8_t *ptr; - uint32_t *pal; - int ret; - - bytestream2_init(&gb, avpkt->data, avpkt->size); - version = bytestream2_get_le32(&gb); - bytestream2_skip(&gb, 72); - d3d_format = bytestream2_get_le32(&gb); - w = bytestream2_get_le16(&gb); - h = bytestream2_get_le16(&gb); - depth = bytestream2_get_byte(&gb); - bytestream2_skip(&gb, 2); - flags = bytestream2_get_byte(&gb); - - if (version < 8 || version > 9) { - av_log(avctx, AV_LOG_ERROR, "texture data version %i is unsupported\n", - version); - return AVERROR_PATCHWELCOME; - } - - if (depth == 8) { - avctx->pix_fmt = AV_PIX_FMT_PAL8; - } else if (depth == 16 || depth == 32) { - avctx->pix_fmt = AV_PIX_FMT_RGB32; - } else { - av_log(avctx, AV_LOG_ERROR, "depth of %i is unsupported\n", depth); - return AVERROR_PATCHWELCOME; - } - - if ((ret = ff_set_dimensions(avctx, w, h)) < 0) - return ret; - - if ((ret = ff_get_buffer(avctx, p, 0)) < 0) - return ret; - - p->pict_type = AV_PICTURE_TYPE_I; - - ptr = p->data[0]; - stride = p->linesize[0]; - - if (depth == 8) { - pal = (uint32_t *) p->data[1]; - for (y = 0; y < 256; y++) { - v = bytestream2_get_be32(&gb); - pal[y] = (v >> 8) + (v << 24); - } - if (bytestream2_get_bytes_left(&gb) < w * h) - return AVERROR_INVALIDDATA; - bytestream2_skip(&gb, 4); - for (y=0; y<h; y++) { - bytestream2_get_buffer(&gb, ptr, w); - ptr += stride; - } - } else if (depth == 16) { - bytestream2_skip(&gb, 4); - switch (d3d_format) { - case 0: - if (!(flags & 1)) - goto unsupported; - case FF_S3TC_DXT1: - if (bytestream2_get_bytes_left(&gb) < (w/4) * (h/4) * 8) - return AVERROR_INVALIDDATA; - ff_decode_dxt1(&gb, ptr, w, h, stride); - break; - case FF_S3TC_DXT3: - if (bytestream2_get_bytes_left(&gb) < (w/4) * (h/4) * 16) - return AVERROR_INVALIDDATA; - ff_decode_dxt3(&gb, ptr, w, h, stride); - break; - default: - goto unsupported; - } - } else if (depth == 32) { - switch (d3d_format) { - case 0x15: - case 0x16: - if (bytestream2_get_bytes_left(&gb) < h * w * 4) - return AVERROR_INVALIDDATA; - for (y=0; y<h; y++) { - bytestream2_get_buffer(&gb, ptr, w * 4); - ptr += stride; - } - break; - default: - goto unsupported; - } - } - - *got_frame = 1; - - return avpkt->size; - -unsupported: - av_log(avctx, AV_LOG_ERROR, "unsupported d3d format (%08x)\n", d3d_format); - return AVERROR_PATCHWELCOME; -} - -AVCodec ff_txd_decoder = { - .name = "txd", - .long_name = NULL_IF_CONFIG_SMALL("Renderware TXD (TeXture Dictionary) image"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_TXD, - .decode = txd_decode_frame, - .capabilities = CODEC_CAP_DR1, -}; |