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86 lines
2.5 KiB
86 lines
2.5 KiB
/* |
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* v410 encoder |
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* |
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* Copyright (c) 2011 Derek Buitenhuis |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/common.h" |
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#include "libavutil/intreadwrite.h" |
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#include "avcodec.h" |
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#include "codec_internal.h" |
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#include "encode.h" |
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#include "internal.h" |
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static av_cold int v410_encode_init(AVCodecContext *avctx) |
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{ |
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if (avctx->width & 1) { |
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av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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avctx->bits_per_coded_sample = 32; |
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avctx->bit_rate = ff_guess_coded_bitrate(avctx); |
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return 0; |
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} |
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static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
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const AVFrame *pic, int *got_packet) |
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{ |
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uint8_t *dst; |
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const uint16_t *y, *u, *v; |
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uint32_t val; |
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int i, j, ret; |
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ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0); |
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if (ret < 0) |
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return ret; |
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dst = pkt->data; |
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y = (uint16_t *)pic->data[0]; |
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u = (uint16_t *)pic->data[1]; |
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v = (uint16_t *)pic->data[2]; |
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for (i = 0; i < avctx->height; i++) { |
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for (j = 0; j < avctx->width; j++) { |
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val = u[j] << 2; |
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val |= y[j] << 12; |
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val |= (uint32_t) v[j] << 22; |
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AV_WL32(dst, val); |
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dst += 4; |
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} |
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y += pic->linesize[0] >> 1; |
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u += pic->linesize[1] >> 1; |
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v += pic->linesize[2] >> 1; |
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} |
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*got_packet = 1; |
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return 0; |
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} |
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const FFCodec ff_v410_encoder = { |
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.p.name = "v410", |
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.p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_V410, |
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.p.capabilities = AV_CODEC_CAP_DR1, |
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.init = v410_encode_init, |
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FF_CODEC_ENCODE_CB(v410_encode_frame), |
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.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE }, |
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};
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