GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/vf_copy.c Lines: 18 27 66.7 %
Date: 2020-09-25 23:16:12 Branches: 8 12 66.7 %

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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/**
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 * @file
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 * copy video filter
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 */
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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#include "avfilter.h"
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#include "internal.h"
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#include "video.h"
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161
static int query_formats(AVFilterContext *ctx)
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{
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161
    AVFilterFormats *formats = NULL;
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    int fmt;
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32039
    for (fmt = 0; av_pix_fmt_desc_get(fmt); fmt++) {
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31878
        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
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        int ret;
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31878
        if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
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2576
            continue;
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29302
        if ((ret = ff_add_format(&formats, fmt)) < 0)
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            return ret;
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    }
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161
    return ff_set_common_formats(ctx, formats);
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}
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160
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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{
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160
    AVFilterLink *outlink = inlink->dst->outputs[0];
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160
    AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height);
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    int ret;
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160
    if (!out) {
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        ret = AVERROR(ENOMEM);
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        goto fail;
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    }
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160
    ret = av_frame_copy_props(out, in);
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160
    if (ret < 0)
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        goto fail;
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160
    ret = av_frame_copy(out, in);
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160
    if (ret < 0)
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        goto fail;
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    av_frame_free(&in);
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160
    return ff_filter_frame(outlink, out);
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fail:
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    av_frame_free(&in);
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    av_frame_free(&out);
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    return ret;
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}
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static const AVFilterPad avfilter_vf_copy_inputs[] = {
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    {
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        .name         = "default",
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        .type         = AVMEDIA_TYPE_VIDEO,
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        .filter_frame = filter_frame,
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    },
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    { NULL }
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};
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static const AVFilterPad avfilter_vf_copy_outputs[] = {
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    {
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        .name = "default",
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        .type = AVMEDIA_TYPE_VIDEO,
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    },
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    { NULL }
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};
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AVFilter ff_vf_copy = {
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    .name        = "copy",
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    .description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."),
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    .inputs      = avfilter_vf_copy_inputs,
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    .outputs     = avfilter_vf_copy_outputs,
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    .query_formats = query_formats,
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};