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105 lines
3.0 KiB
105 lines
3.0 KiB
/* |
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* v408 encoder |
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* |
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* Copyright (c) 2012 Carl Eugen Hoyos |
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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 "config_components.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 v408_encode_init(AVCodecContext *avctx) |
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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 v408_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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uint8_t *y, *u, *v, *a; |
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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 = pic->data[0]; |
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u = pic->data[1]; |
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v = pic->data[2]; |
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a = pic->data[3]; |
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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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if (avctx->codec_id==AV_CODEC_ID_AYUV) { |
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*dst++ = v[j]; |
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*dst++ = u[j]; |
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*dst++ = y[j]; |
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*dst++ = a[j]; |
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} else { |
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*dst++ = u[j]; |
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*dst++ = y[j]; |
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*dst++ = v[j]; |
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*dst++ = a[j]; |
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} |
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} |
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y += pic->linesize[0]; |
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u += pic->linesize[1]; |
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v += pic->linesize[2]; |
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a += pic->linesize[3]; |
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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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static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE }; |
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#if CONFIG_AYUV_ENCODER |
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const FFCodec ff_ayuv_encoder = { |
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.p.name = "ayuv", |
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.p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_AYUV, |
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.p.capabilities = AV_CODEC_CAP_DR1, |
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.init = v408_encode_init, |
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FF_CODEC_ENCODE_CB(v408_encode_frame), |
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.p.pix_fmts = pix_fmt, |
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}; |
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#endif |
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#if CONFIG_V408_ENCODER |
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const FFCodec ff_v408_encoder = { |
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.p.name = "v408", |
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.p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_V408, |
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.p.capabilities = AV_CODEC_CAP_DR1, |
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.init = v408_encode_init, |
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FF_CODEC_ENCODE_CB(v408_encode_frame), |
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.p.pix_fmts = pix_fmt, |
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}; |
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#endif
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