diff options
Diffstat (limited to 'ffmpeg/libavcodec/tmv.c')
| -rw-r--r-- | ffmpeg/libavcodec/tmv.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/ffmpeg/libavcodec/tmv.c b/ffmpeg/libavcodec/tmv.c deleted file mode 100644 index e525a73..0000000 --- a/ffmpeg/libavcodec/tmv.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * 8088flex TMV video decoder - * Copyright (c) 2009 Daniel Verkamp <daniel at drv.nu> - * - * 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 - */ - -/** - * @file - * 8088flex TMV video decoder - * @author Daniel Verkamp - * @see http://www.oldskool.org/pc/8088_Corruption - */ - -#include <string.h> - -#include "avcodec.h" -#include "internal.h" -#include "libavutil/internal.h" -#include "libavutil/xga_font_data.h" - -#include "cga_data.h" - -static int tmv_decode_frame(AVCodecContext *avctx, void *data, - int *got_frame, AVPacket *avpkt) -{ - AVFrame *frame = data; - const uint8_t *src = avpkt->data; - uint8_t *dst; - unsigned char_cols = avctx->width >> 3; - unsigned char_rows = avctx->height >> 3; - unsigned x, y, fg, bg, c; - int ret; - - if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) - return ret; - - if (avpkt->size < 2*char_rows*char_cols) { - av_log(avctx, AV_LOG_ERROR, - "Input buffer too small, truncated sample?\n"); - *got_frame = 0; - return AVERROR_INVALIDDATA; - } - - frame->pict_type = AV_PICTURE_TYPE_I; - frame->key_frame = 1; - dst = frame->data[0]; - - frame->palette_has_changed = 1; - memcpy(frame->data[1], ff_cga_palette, 16 * 4); - memset(frame->data[1] + 16 * 4, 0, AVPALETTE_SIZE - 16 * 4); - - for (y = 0; y < char_rows; y++) { - for (x = 0; x < char_cols; x++) { - c = *src++; - bg = *src >> 4; - fg = *src++ & 0xF; - ff_draw_pc_font(dst + x * 8, frame->linesize[0], - avpriv_cga_font, 8, c, fg, bg); - } - dst += frame->linesize[0] * 8; - } - - *got_frame = 1; - - return avpkt->size; -} - -static av_cold int tmv_decode_init(AVCodecContext *avctx) -{ - avctx->pix_fmt = AV_PIX_FMT_PAL8; - return 0; -} - -AVCodec ff_tmv_decoder = { - .name = "tmv", - .long_name = NULL_IF_CONFIG_SMALL("8088flex TMV"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_TMV, - .init = tmv_decode_init, - .decode = tmv_decode_frame, - .capabilities = CODEC_CAP_DR1, -}; |
