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authorTim Redfern <tim@eclectronics.org>2014-02-17 13:36:38 +0000
committerTim Redfern <tim@eclectronics.org>2014-02-17 13:36:38 +0000
commit22e28216336da876e1fd17f380ce42eaf1446769 (patch)
tree444dad3dc7e2656992d29f34f7bce31970c122a5 /ffmpeg/libavcodec/yuv4dec.c
parentae5e8541f6e06e64c28719467cdf366ac57aff31 (diff)
chasing indexing error
Diffstat (limited to 'ffmpeg/libavcodec/yuv4dec.c')
-rw-r--r--ffmpeg/libavcodec/yuv4dec.c84
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,
-};