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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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static int query_formats(AVFilterContext *ctx) |
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{ |
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AVFilterFormats *formats = NULL; |
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int fmt; |
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✓✓ |
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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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✓✓ |
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if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL) |
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continue; |
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✗✓ |
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if ((ret = ff_add_format(&formats, fmt)) < 0) |
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return ret; |
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} |
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return ff_set_common_formats(ctx, formats); |
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} |
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static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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{ |
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AVFilterLink *outlink = inlink->dst->outputs[0]; |
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AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height); |
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int ret; |
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✗✓ |
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if (!out) { |
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ret = AVERROR(ENOMEM); |
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goto fail; |
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} |
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ret = av_frame_copy_props(out, in); |
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✗✓ |
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if (ret < 0) |
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goto fail; |
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ret = av_frame_copy(out, in); |
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✗✓ |
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if (ret < 0) |
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goto fail; |
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av_frame_free(&in); |
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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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}; |