diff options
Diffstat (limited to 'ffmpeg/libavcodec/avuienc.c')
| -rw-r--r-- | ffmpeg/libavcodec/avuienc.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/ffmpeg/libavcodec/avuienc.c b/ffmpeg/libavcodec/avuienc.c deleted file mode 100644 index eb0046c..0000000 --- a/ffmpeg/libavcodec/avuienc.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * AVID Meridien encoder - * - * Copyright (c) 2012 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 avui_encode_init(AVCodecContext *avctx) -{ - avctx->coded_frame = av_frame_alloc(); - - if (avctx->width != 720 || avctx->height != 486 && avctx->height != 576) { - av_log(avctx, AV_LOG_ERROR, "Only 720x486 and 720x576 are supported.\n"); - return AVERROR(EINVAL); - } - if (!avctx->coded_frame) { - av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n"); - return AVERROR(ENOMEM); - } - if (!(avctx->extradata = av_mallocz(24 + FF_INPUT_BUFFER_PADDING_SIZE))) - return AVERROR(ENOMEM); - avctx->extradata_size = 24; - memcpy(avctx->extradata, "\0\0\0\x18""APRGAPRG0001", 16); - if (avctx->field_order > AV_FIELD_PROGRESSIVE) { - avctx->extradata[19] = 2; - } else { - avctx->extradata[19] = 1; - } - - - return 0; -} - -static int avui_encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *pic, int *got_packet) -{ - uint8_t *dst, *src = pic->data[0]; - int i, j, skip, ret, size, interlaced; - - interlaced = avctx->field_order > AV_FIELD_PROGRESSIVE; - - if (avctx->height == 486) { - skip = 10; - } else { - skip = 16; - } - size = 2 * avctx->width * (avctx->height + skip) + 8 * interlaced; - if ((ret = ff_alloc_packet2(avctx, pkt, size)) < 0) - return ret; - dst = pkt->data; - if (!interlaced) { - dst += avctx->width * skip; - } - - avctx->coded_frame->key_frame = 1; - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; - - for (i = 0; i <= interlaced; i++) { - if (interlaced && avctx->height == 486) { - src = pic->data[0] + (1 - i) * pic->linesize[0]; - } else { - src = pic->data[0] + i * pic->linesize[0]; - } - dst += avctx->width * skip + 4 * i; - for (j = 0; j < avctx->height; j += interlaced + 1) { - memcpy(dst, src, avctx->width * 2); - src += (interlaced + 1) * pic->linesize[0]; - dst += avctx->width * 2; - } - } - - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - return 0; -} - -static av_cold int avui_encode_close(AVCodecContext *avctx) -{ - av_freep(&avctx->coded_frame); - - return 0; -} - -AVCodec ff_avui_encoder = { - .name = "avui", - .long_name = NULL_IF_CONFIG_SMALL("Avid Meridien Uncompressed"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_AVUI, - .init = avui_encode_init, - .encode2 = avui_encode_frame, - .close = avui_encode_close, - .capabilities = CODEC_CAP_EXPERIMENTAL, - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_UYVY422, AV_PIX_FMT_NONE }, -}; |
