GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/rawenc.c Lines: 20 30 66.7 %
Date: 2020-09-25 14:59:26 Branches: 6 24 25.0 %

Line Branch Exec Source
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/*
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 * Raw Video Encoder
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 * Copyright (c) 2001 Fabrice Bellard
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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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/**
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 * @file
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 * Raw Video Encoder
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 */
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#include "avcodec.h"
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#include "raw.h"
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#include "internal.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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static av_cold int raw_encode_init(AVCodecContext *avctx)
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{
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    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
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#if FF_API_CODED_FRAME
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FF_DISABLE_DEPRECATION_WARNINGS
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    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
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    avctx->bits_per_coded_sample = av_get_bits_per_pixel(desc);
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    if(!avctx->codec_tag)
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        avctx->codec_tag = avcodec_pix_fmt_to_codec_tag(avctx->pix_fmt);
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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 raw_encode(AVCodecContext *avctx, AVPacket *pkt,
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                      const AVFrame *frame, int *got_packet)
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{
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77809
    int ret = av_image_get_buffer_size(frame->format,
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                                       frame->width, frame->height, 1);
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    if (ret < 0)
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        return ret;
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    if ((ret = ff_alloc_packet2(avctx, pkt, ret, ret)) < 0)
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        return ret;
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    if ((ret = av_image_copy_to_buffer(pkt->data, pkt->size,
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                                       (const uint8_t **)frame->data, frame->linesize,
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                                       frame->format,
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                                       frame->width, frame->height, 1)) < 0)
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        return ret;
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    if(avctx->codec_tag == AV_RL32("yuv2") && ret > 0 &&
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       frame->format   == AV_PIX_FMT_YUYV422) {
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        int x;
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        for(x = 1; x < frame->height*frame->width*2; x += 2)
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            pkt->data[x] ^= 0x80;
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    } else if (avctx->codec_tag == AV_RL32("b64a") && ret > 0 &&
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        frame->format == AV_PIX_FMT_RGBA64BE) {
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        uint64_t v;
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        int x;
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        for (x = 0; x < frame->height * frame->width; x++) {
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            v = AV_RB64(&pkt->data[8 * x]);
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            AV_WB64(&pkt->data[8 * x], v << 48 | v >> 16);
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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_rawvideo_encoder = {
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    .name           = "rawvideo",
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    .long_name      = NULL_IF_CONFIG_SMALL("raw video"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_RAWVIDEO,
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    .init           = raw_encode_init,
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    .encode2        = raw_encode,
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};