mirror of
https://github.com/FFmpeg/FFmpeg.git
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122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*
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* V210 encoder
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*
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* Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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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 "avcodec.h"
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#include "bytestream.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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#include "v210enc.h"
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#include "v210enc_init.h"
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#define TYPE uint8_t
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#define DEPTH 8
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#define BYTES_PER_PIXEL 1
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#define RENAME(a) a ## _ ## 8
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#include "v210_template.c"
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#undef RENAME
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#undef DEPTH
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#undef BYTES_PER_PIXEL
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#undef TYPE
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#define TYPE uint16_t
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#define DEPTH 10
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#define BYTES_PER_PIXEL 2
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#define RENAME(a) a ## _ ## 10
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#include "v210_template.c"
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#undef RENAME
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#undef DEPTH
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#undef BYTES_PER_PIXEL
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#undef TYPE
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static av_cold int encode_init(AVCodecContext *avctx)
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{
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V210EncContext *s = avctx->priv_data;
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if (avctx->width & 1) {
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av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
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return AVERROR(EINVAL);
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}
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ff_v210enc_init(s);
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avctx->bits_per_coded_sample = 20;
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avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
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return 0;
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}
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static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *pic, int *got_packet)
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{
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int aligned_width = ((avctx->width + 47) / 48) * 48;
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int stride = aligned_width * 8 / 3;
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AVFrameSideData *side_data;
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int ret;
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uint8_t *dst;
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ret = ff_get_encode_buffer(avctx, pkt, avctx->height * stride, 0);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
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return ret;
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}
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dst = pkt->data;
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if (pic->format == AV_PIX_FMT_YUV422P10)
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v210_enc_10(avctx, dst, pic);
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else if(pic->format == AV_PIX_FMT_YUV422P)
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v210_enc_8(avctx, dst, pic);
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side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
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if (side_data && side_data->size) {
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uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
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if (!buf)
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return AVERROR(ENOMEM);
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memcpy(buf, side_data->data, side_data->size);
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}
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side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
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if (side_data && side_data->size) {
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uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
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if (!buf)
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return AVERROR(ENOMEM);
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memcpy(buf, side_data->data, side_data->size);
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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_v210_encoder = {
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.p.name = "v210",
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CODEC_LONG_NAME("Uncompressed 4:2:2 10-bit"),
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_V210,
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.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
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AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
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.priv_data_size = sizeof(V210EncContext),
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.init = encode_init,
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FF_CODEC_ENCODE_CB(encode_frame),
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.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
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};
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