diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/v210x.c | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/v210x.c')
| -rw-r--r-- | ffmpeg1/libavcodec/v210x.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/ffmpeg1/libavcodec/v210x.c b/ffmpeg1/libavcodec/v210x.c deleted file mode 100644 index e4d5460..0000000 --- a/ffmpeg1/libavcodec/v210x.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at> - * - * 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" -#include "libavutil/bswap.h" -#include "libavutil/internal.h" -#include "libavutil/mem.h" - -static av_cold int decode_init(AVCodecContext *avctx) -{ - if (avctx->width & 1) { - av_log(avctx, AV_LOG_ERROR, "v210x needs even width\n"); - return AVERROR(EINVAL); - } - avctx->pix_fmt = AV_PIX_FMT_YUV422P16; - avctx->bits_per_raw_sample = 10; - - return 0; -} - -static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, - AVPacket *avpkt) -{ - const uint32_t *src = (const uint32_t *)avpkt->data; - AVFrame *pic = data; - int width = avctx->width; - int y = 0; - uint16_t *ydst, *udst, *vdst, *yend; - int ret; - - if (avpkt->size < avctx->width * avctx->height * 8 / 3) { - av_log(avctx, AV_LOG_ERROR, "Packet too small\n"); - return AVERROR_INVALIDDATA; - } - - if (avpkt->size > avctx->width * avctx->height * 8 / 3) { - avpriv_request_sample(avctx, "(Probably) padded data"); - } - - if ((ret = ff_get_buffer(avctx, pic, 0)) < 0) - return ret; - - ydst = (uint16_t *)pic->data[0]; - udst = (uint16_t *)pic->data[1]; - vdst = (uint16_t *)pic->data[2]; - yend = ydst + width; - pic->pict_type = AV_PICTURE_TYPE_I; - pic->key_frame = 1; - - for (;;) { - uint32_t v = av_be2ne32(*src++); - *udst++ = (v >> 16) & 0xFFC0; - *ydst++ = (v >> 6 ) & 0xFFC0; - *vdst++ = (v << 4 ) & 0xFFC0; - - v = av_be2ne32(*src++); - *ydst++ = (v >> 16) & 0xFFC0; - - if (ydst >= yend) { - ydst += pic->linesize[0] / 2 - width; - udst += pic->linesize[1] / 2 - width / 2; - vdst += pic->linesize[2] / 2 - width / 2; - yend = ydst + width; - if (++y >= avctx->height) - break; - } - - *udst++ = (v >> 6 ) & 0xFFC0; - *ydst++ = (v << 4 ) & 0xFFC0; - - v = av_be2ne32(*src++); - *vdst++ = (v >> 16) & 0xFFC0; - *ydst++ = (v >> 6 ) & 0xFFC0; - - if (ydst >= yend) { - ydst += pic->linesize[0] / 2 - width; - udst += pic->linesize[1] / 2 - width / 2; - vdst += pic->linesize[2] / 2 - width / 2; - yend = ydst + width; - if (++y >= avctx->height) - break; - } - - *udst++ = (v << 4 ) & 0xFFC0; - - v = av_be2ne32(*src++); - *ydst++ = (v >> 16) & 0xFFC0; - *vdst++ = (v >> 6 ) & 0xFFC0; - *ydst++ = (v << 4 ) & 0xFFC0; - if (ydst >= yend) { - ydst += pic->linesize[0] / 2 - width; - udst += pic->linesize[1] / 2 - width / 2; - vdst += pic->linesize[2] / 2 - width / 2; - yend = ydst + width; - if (++y >= avctx->height) - break; - } - } - - *got_frame = 1; - - return avpkt->size; -} - -AVCodec ff_v210x_decoder = { - .name = "v210x", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_V210X, - .init = decode_init, - .decode = decode_frame, - .capabilities = CODEC_CAP_DR1, - .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"), -}; |
