diff options
| author | Tim Redfern <tim@eclectronics.org> | 2014-02-17 13:36:38 +0000 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2014-02-17 13:36:38 +0000 |
| commit | 22e28216336da876e1fd17f380ce42eaf1446769 (patch) | |
| tree | 444dad3dc7e2656992d29f34f7bce31970c122a5 /ffmpeg/libavcodec/yuv4dec.c | |
| parent | ae5e8541f6e06e64c28719467cdf366ac57aff31 (diff) | |
chasing indexing error
Diffstat (limited to 'ffmpeg/libavcodec/yuv4dec.c')
| -rw-r--r-- | ffmpeg/libavcodec/yuv4dec.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/ffmpeg/libavcodec/yuv4dec.c b/ffmpeg/libavcodec/yuv4dec.c deleted file mode 100644 index 00ccf58..0000000 --- a/ffmpeg/libavcodec/yuv4dec.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * libquicktime yuv4 decoder - * - * Copyright (c) 2011 Carl Eugen Hoyos - * - * 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 "avcodec.h" -#include "internal.h" - -static av_cold int yuv4_decode_init(AVCodecContext *avctx) -{ - avctx->pix_fmt = AV_PIX_FMT_YUV420P; - - return 0; -} - -static int yuv4_decode_frame(AVCodecContext *avctx, void *data, - int *got_frame, AVPacket *avpkt) -{ - AVFrame *pic = data; - const uint8_t *src = avpkt->data; - uint8_t *y, *u, *v; - int i, j, ret; - - if (avpkt->size < 6 * (avctx->width + 1 >> 1) * (avctx->height + 1 >> 1)) { - av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n"); - return AVERROR(EINVAL); - } - - if ((ret = ff_get_buffer(avctx, pic, 0)) < 0) - return ret; - - pic->key_frame = 1; - pic->pict_type = AV_PICTURE_TYPE_I; - - y = pic->data[0]; - u = pic->data[1]; - v = pic->data[2]; - - for (i = 0; i < (avctx->height + 1) >> 1; i++) { - for (j = 0; j < (avctx->width + 1) >> 1; j++) { - u[j] = *src++ ^ 0x80; - v[j] = *src++ ^ 0x80; - y[ 2 * j ] = *src++; - y[ 2 * j + 1] = *src++; - y[pic->linesize[0] + 2 * j ] = *src++; - y[pic->linesize[0] + 2 * j + 1] = *src++; - } - - y += 2 * pic->linesize[0]; - u += pic->linesize[1]; - v += pic->linesize[2]; - } - - *got_frame = 1; - - return avpkt->size; -} - -AVCodec ff_yuv4_decoder = { - .name = "yuv4", - .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:2:0"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_YUV4, - .init = yuv4_decode_init, - .decode = yuv4_decode_frame, - .capabilities = CODEC_CAP_DR1, -}; |
