diff options
Diffstat (limited to 'ffmpeg/libavcodec/v210enc.c')
| -rw-r--r-- | ffmpeg/libavcodec/v210enc.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/ffmpeg/libavcodec/v210enc.c b/ffmpeg/libavcodec/v210enc.c deleted file mode 100644 index 1e53bdb..0000000 --- a/ffmpeg/libavcodec/v210enc.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * V210 encoder - * - * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at> - * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> - * - * 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 "bytestream.h" -#include "internal.h" - -static av_cold int encode_init(AVCodecContext *avctx) -{ - if (avctx->width & 1) { - av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n"); - return AVERROR(EINVAL); - } - - if (avctx->bits_per_raw_sample != 10) - av_log(avctx, AV_LOG_WARNING, "bits per raw sample: %d != 10-bit\n", - avctx->bits_per_raw_sample); - - avctx->coded_frame = av_frame_alloc(); - if (!avctx->coded_frame) - return AVERROR(ENOMEM); - - avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; - - return 0; -} - -static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *pic, int *got_packet) -{ - int aligned_width = ((avctx->width + 47) / 48) * 48; - int stride = aligned_width * 8 / 3; - int line_padding = stride - ((avctx->width * 8 + 11) / 12) * 4; - int h, w, ret; - const uint16_t *y = (const uint16_t*)pic->data[0]; - const uint16_t *u = (const uint16_t*)pic->data[1]; - const uint16_t *v = (const uint16_t*)pic->data[2]; - PutByteContext p; - - if ((ret = ff_alloc_packet2(avctx, pkt, avctx->height * stride)) < 0) - return ret; - - bytestream2_init_writer(&p, pkt->data, pkt->size); - -#define CLIP(v) av_clip(v, 4, 1019) - -#define WRITE_PIXELS(a, b, c) \ - do { \ - val = CLIP(*a++); \ - val |= (CLIP(*b++) << 10) | \ - (CLIP(*c++) << 20); \ - bytestream2_put_le32u(&p, val); \ - } while (0) - - for (h = 0; h < avctx->height; h++) { - uint32_t val; - for (w = 0; w < avctx->width - 5; w += 6) { - WRITE_PIXELS(u, y, v); - WRITE_PIXELS(y, u, y); - WRITE_PIXELS(v, y, u); - WRITE_PIXELS(y, v, y); - } - if (w < avctx->width - 1) { - WRITE_PIXELS(u, y, v); - - val = CLIP(*y++); - if (w == avctx->width - 2) - bytestream2_put_le32u(&p, val); - if (w < avctx->width - 3) { - val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20); - bytestream2_put_le32u(&p, val); - - val = CLIP(*v++) | (CLIP(*y++) << 10); - bytestream2_put_le32u(&p, val); - } - } - - bytestream2_set_buffer(&p, 0, line_padding); - - y += pic->linesize[0] / 2 - avctx->width; - u += pic->linesize[1] / 2 - avctx->width / 2; - v += pic->linesize[2] / 2 - avctx->width / 2; - } - - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - return 0; -} - -static av_cold int encode_close(AVCodecContext *avctx) -{ - av_freep(&avctx->coded_frame); - - return 0; -} - -AVCodec ff_v210_encoder = { - .name = "v210", - .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"), - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_V210, - .init = encode_init, - .encode2 = encode_frame, - .close = encode_close, - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE }, -}; |