/*

 * v410 encoder

 *

 * Copyright (c) 2011 Derek Buitenhuis

 *

 * 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 "libavutil/common.h"

#include "libavutil/intreadwrite.h"

#include "avcodec.h"

#include "codec_internal.h"

#include "encode.h"

#include "internal.h"

static av_cold int v410_encode_init(AVCodecContext *avctx)

{

    if (avctx->width & 1) {

        av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n");

        return AVERROR_INVALIDDATA;

    }

    avctx->bits_per_coded_sample = 32;

    avctx->bit_rate = ff_guess_coded_bitrate(avctx);

    av_log(avctx, AV_LOG_WARNING, "This encoder is deprecated and will be removed.\n");

    return 0;

}

static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt,

                             const AVFrame *pic, int *got_packet)

{

    uint8_t *dst;

    const uint16_t *y, *u, *v;

    uint32_t val;

    int i, j, ret;

    ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0);

    if (ret < 0)

        return ret;

    dst = pkt->data;

    y = (uint16_t *)pic->data[0];

    u = (uint16_t *)pic->data[1];

    v = (uint16_t *)pic->data[2];

    for (i = 0; i < avctx->height; i++) {

        for (j = 0; j < avctx->width; j++) {

            val  = u[j] << 2;

            val |= y[j] << 12;

            val |= (uint32_t) v[j] << 22;

            AV_WL32(dst, val);

            dst += 4;

        }

        y += pic->linesize[0] >> 1;

        u += pic->linesize[1] >> 1;

        v += pic->linesize[2] >> 1;

    }

    *got_packet = 1;

    return 0;

}

const FFCodec ff_v410_encoder = {

    .p.name       = "v410",

    CODEC_LONG_NAME("Uncompressed 4:4:4 10-bit"),

    .p.type       = AVMEDIA_TYPE_VIDEO,

    .p.id         = AV_CODEC_ID_V410,

    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,

    .init         = v410_encode_init,

    FF_CODEC_ENCODE_CB(v410_encode_frame),

    CODEC_PIXFMTS(AV_PIX_FMT_YUV444P10),

};