diff options
Diffstat (limited to 'src/libffmpeg/libavcodec/qdrw.c')
| -rw-r--r-- | src/libffmpeg/libavcodec/qdrw.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/src/libffmpeg/libavcodec/qdrw.c b/src/libffmpeg/libavcodec/qdrw.c deleted file mode 100644 index 664be2f4f..000000000 --- a/src/libffmpeg/libavcodec/qdrw.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * QuickDraw (qdrw) codec - * Copyright (c) 2004 Konstantin Shishkov - * - * 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 qdrw.c - * Apple QuickDraw codec. - */ - -#include "avcodec.h" -#include "mpegvideo.h" - -typedef struct QdrawContext{ - AVCodecContext *avctx; - AVFrame pic; - uint8_t palette[256*3]; -} QdrawContext; - -static int decode_frame(AVCodecContext *avctx, - void *data, int *data_size, - uint8_t *buf, int buf_size) -{ - QdrawContext * const a = avctx->priv_data; - AVFrame * const p= (AVFrame*)&a->pic; - uint8_t* outdata; - int colors; - int i; - - if(p->data[0]) - avctx->release_buffer(avctx, p); - - p->reference= 0; - if(avctx->get_buffer(avctx, p) < 0){ - av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); - return -1; - } - p->pict_type= I_TYPE; - p->key_frame= 1; - - outdata = a->pic.data[0]; - - buf += 0x68; /* jump to palette */ - colors = AV_RB32(buf); - buf += 4; - - if(colors < 0 || colors > 256) { - av_log(avctx, AV_LOG_ERROR, "Error color count - %i(0x%X)\n", colors, colors); - return -1; - } - - for (i = 0; i <= colors; i++) { - unsigned int idx; - idx = AV_RB16(buf); /* color index */ - buf += 2; - - if (idx > 255) { - av_log(avctx, AV_LOG_ERROR, "Palette index out of range: %u\n", idx); - buf += 6; - continue; - } - a->palette[idx * 3 + 0] = *buf++; - buf++; - a->palette[idx * 3 + 1] = *buf++; - buf++; - a->palette[idx * 3 + 2] = *buf++; - buf++; - } - - buf += 18; /* skip unneeded data */ - for (i = 0; i < avctx->height; i++) { - int size, left, code, pix; - uint8_t *next; - uint8_t *out; - int tsize = 0; - - /* decode line */ - out = outdata; - size = AV_RB16(buf); /* size of packed line */ - buf += 2; - left = size; - next = buf + size; - while (left > 0) { - code = *buf++; - if (code & 0x80 ) { /* run */ - int i; - pix = *buf++; - if ((out + (257 - code) * 3) > (outdata + a->pic.linesize[0])) - break; - for (i = 0; i < 257 - code; i++) { - *out++ = a->palette[pix * 3 + 0]; - *out++ = a->palette[pix * 3 + 1]; - *out++ = a->palette[pix * 3 + 2]; - } - tsize += 257 - code; - left -= 2; - } else { /* copy */ - int i, pix; - if ((out + code * 3) > (outdata + a->pic.linesize[0])) - break; - for (i = 0; i <= code; i++) { - pix = *buf++; - *out++ = a->palette[pix * 3 + 0]; - *out++ = a->palette[pix * 3 + 1]; - *out++ = a->palette[pix * 3 + 2]; - } - left -= 2 + code; - tsize += code + 1; - } - } - buf = next; - outdata += a->pic.linesize[0]; - } - - *data_size = sizeof(AVFrame); - *(AVFrame*)data = a->pic; - - return buf_size; -} - -static int decode_init(AVCodecContext *avctx){ -// QdrawContext * const a = avctx->priv_data; - - if (avcodec_check_dimensions(avctx, avctx->width, avctx->height) < 0) { - return 1; - } - - avctx->pix_fmt= PIX_FMT_RGB24; - - return 0; -} - -AVCodec qdraw_decoder = { - "qdraw", - CODEC_TYPE_VIDEO, - CODEC_ID_QDRAW, - sizeof(QdrawContext), - decode_init, - NULL, - NULL, - decode_frame, - CODEC_CAP_DR1, -}; |