GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/y41penc.c Lines: 28 31 90.3 %
Date: 2020-10-23 17:01:47 Branches: 6 8 75.0 %

Line Branch Exec Source
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/*
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 * y41p encoder
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 *
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 * Copyright (c) 2012 Paul B Mahol
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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 "internal.h"
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static av_cold int y41p_encode_init(AVCodecContext *avctx)
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{
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3
    if (avctx->width & 7) {
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        av_log(avctx, AV_LOG_ERROR, "y41p requires width to be divisible by 8.\n");
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        return AVERROR_INVALIDDATA;
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    }
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    avctx->bits_per_coded_sample = 12;
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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 y41p_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;
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    int i, j, ret;
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    if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 1.5, 0)) < 0)
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        return ret;
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    dst = pkt->data;
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    for (i = avctx->height - 1; i >= 0; i--) {
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43200
        y = &pic->data[0][i * pic->linesize[0]];
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43200
        u = &pic->data[1][i * pic->linesize[1]];
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        v = &pic->data[2][i * pic->linesize[2]];
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1944000
        for (j = 0; j < avctx->width; j += 8) {
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1900800
            *(dst++) = *(u++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(v++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(u++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(v++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(y++);
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1900800
            *(dst++) = *(y++);
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        }
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    }
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    pkt->flags |= AV_PKT_FLAG_KEY;
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    *got_packet = 1;
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    return 0;
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}
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AVCodec ff_y41p_encoder = {
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    .name         = "y41p",
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    .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed YUV 4:1:1 12-bit"),
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    .type         = AVMEDIA_TYPE_VIDEO,
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    .id           = AV_CODEC_ID_Y41P,
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    .init         = y41p_encode_init,
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    .encode2      = y41p_encode_frame,
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    .pix_fmts     = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV411P,
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                                                 AV_PIX_FMT_NONE },
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};