| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | /** | ||
| 20 | * @file | ||
| 21 | * copy video filter | ||
| 22 | */ | ||
| 23 | |||
| 24 | #include "libavutil/imgutils.h" | ||
| 25 | #include "libavutil/internal.h" | ||
| 26 | #include "avfilter.h" | ||
| 27 | #include "formats.h" | ||
| 28 | #include "internal.h" | ||
| 29 | #include "video.h" | ||
| 30 | |||
| 31 | 185 | static int query_formats(AVFilterContext *ctx) | |
| 32 | { | ||
| 33 | 185 | return ff_set_common_formats(ctx, ff_formats_pixdesc_filter(0, AV_PIX_FMT_FLAG_HWACCEL)); | |
| 34 | } | ||
| 35 | |||
| 36 | 184 | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
| 37 | { | ||
| 38 | 184 | AVFilterLink *outlink = inlink->dst->outputs[0]; | |
| 39 | 184 | AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height); | |
| 40 | int ret; | ||
| 41 | |||
| 42 |
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184 | if (!out) { |
| 43 | ✗ | ret = AVERROR(ENOMEM); | |
| 44 | ✗ | goto fail; | |
| 45 | } | ||
| 46 | |||
| 47 | 184 | ret = av_frame_copy_props(out, in); | |
| 48 |
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184 | if (ret < 0) |
| 49 | ✗ | goto fail; | |
| 50 | 184 | ret = av_frame_copy(out, in); | |
| 51 |
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184 | if (ret < 0) |
| 52 | ✗ | goto fail; | |
| 53 | 184 | av_frame_free(&in); | |
| 54 | 184 | return ff_filter_frame(outlink, out); | |
| 55 | ✗ | fail: | |
| 56 | ✗ | av_frame_free(&in); | |
| 57 | ✗ | av_frame_free(&out); | |
| 58 | ✗ | return ret; | |
| 59 | } | ||
| 60 | |||
| 61 | static const AVFilterPad avfilter_vf_copy_inputs[] = { | ||
| 62 | { | ||
| 63 | .name = "default", | ||
| 64 | .type = AVMEDIA_TYPE_VIDEO, | ||
| 65 | .filter_frame = filter_frame, | ||
| 66 | }, | ||
| 67 | }; | ||
| 68 | |||
| 69 | const AVFilter ff_vf_copy = { | ||
| 70 | .name = "copy", | ||
| 71 | .description = NULL_IF_CONFIG_SMALL("Copy the input video unchanged to the output."), | ||
| 72 | .flags = AVFILTER_FLAG_METADATA_ONLY, | ||
| 73 | FILTER_INPUTS(avfilter_vf_copy_inputs), | ||
| 74 | FILTER_OUTPUTS(ff_video_default_filterpad), | ||
| 75 | FILTER_QUERY_FUNC(query_formats), | ||
| 76 | }; | ||
| 77 |