GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavdevice/utils.c Lines: 0 27 0.0 %
Date: 2020-08-13 15:06:06 Branches: 0 24 0.0 %

Line Branch Exec Source
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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 "internal.h"
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#include "libavutil/opt.h"
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#include "libavformat/avformat.h"
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int ff_alloc_input_device_context(AVFormatContext **avctx, AVInputFormat *iformat, const char *format)
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{
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    AVFormatContext *s;
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    int ret = 0;
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    *avctx = NULL;
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    if (!iformat && !format)
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        return AVERROR(EINVAL);
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    if (!(s = avformat_alloc_context()))
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        return AVERROR(ENOMEM);
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    if (!iformat)
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        iformat = av_find_input_format(format);
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    if (!iformat || !iformat->priv_class || !AV_IS_INPUT_DEVICE(iformat->priv_class->category)) {
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        ret = AVERROR(EINVAL);
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        goto error;
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    }
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    s->iformat = iformat;
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    if (s->iformat->priv_data_size > 0) {
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        s->priv_data = av_mallocz(s->iformat->priv_data_size);
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        if (!s->priv_data) {
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            ret = AVERROR(ENOMEM);
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            goto error;
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        }
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        if (s->iformat->priv_class) {
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            *(const AVClass**)s->priv_data= s->iformat->priv_class;
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            av_opt_set_defaults(s->priv_data);
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        }
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    } else
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        s->priv_data = NULL;
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    *avctx = s;
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    return 0;
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  error:
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    avformat_free_context(s);
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    return ret;
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}