GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/rv10enc.c Lines: 15 18 83.3 %
Date: 2020-09-25 14:59:26 Branches: 2 4 50.0 %

Line Branch Exec Source
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/*
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 * RV10 encoder
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 * Copyright (c) 2000,2001 Fabrice Bellard
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 * Copyright (c) 2002-2004 Michael Niedermayer
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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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 * RV10 encoder
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 */
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#include "mpegvideo.h"
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#include "put_bits.h"
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#include "rv10.h"
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int ff_rv10_encode_picture_header(MpegEncContext *s, int picture_number)
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{
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    int full_frame= 0;
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    avpriv_align_put_bits(&s->pb);
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    put_bits(&s->pb, 1, 1);     /* marker */
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    put_bits(&s->pb, 1, (s->pict_type == AV_PICTURE_TYPE_P));
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    put_bits(&s->pb, 1, 0);     /* not PB-mframe */
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    put_bits(&s->pb, 5, s->qscale);
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    if (s->pict_type == AV_PICTURE_TYPE_I) {
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        /* specific MPEG like DC coding not used */
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    }
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    /* if multiple packets per frame are sent, the position at which
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       to display the macroblocks is coded here */
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    if(!full_frame){
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        if (s->mb_width * s->mb_height >= (1U << 12)) {
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            avpriv_report_missing_feature(s->avctx, "Encoding frames with %d (>= 4096) macroblocks",
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                                          s->mb_width * s->mb_height);
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            return AVERROR(ENOSYS);
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        }
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        put_bits(&s->pb, 6, 0); /* mb_x */
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        put_bits(&s->pb, 6, 0); /* mb_y */
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        put_bits(&s->pb, 12, s->mb_width * s->mb_height);
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    }
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    put_bits(&s->pb, 3, 0);     /* ignored */
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    return 0;
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}
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static const AVClass rv10_class = {
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    .class_name = "rv10 encoder",
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    .item_name  = av_default_item_name,
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    .option     = ff_mpv_generic_options,
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    .version    = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_rv10_encoder = {
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    .name           = "rv10",
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    .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
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    .type           = AVMEDIA_TYPE_VIDEO,
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    .id             = AV_CODEC_ID_RV10,
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    .priv_data_size = sizeof(MpegEncContext),
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    .init           = ff_mpv_encode_init,
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    .encode2        = ff_mpv_encode_picture,
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    .close          = ff_mpv_encode_end,
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    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
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    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
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    .priv_class     = &rv10_class,
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};