| 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 | #include "audio.h" | ||
| 20 | #include "avfilter.h" | ||
| 21 | #include "filters.h" | ||
| 22 | |||
| 23 | ✗ | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
| 24 | { | ||
| 25 | ✗ | AVFilterLink *outlink = inlink->dst->outputs[0]; | |
| 26 | ✗ | AVFrame *out = ff_get_audio_buffer(outlink, in->nb_samples); | |
| 27 | int ret; | ||
| 28 | |||
| 29 | ✗ | if (!out) { | |
| 30 | ✗ | ret = AVERROR(ENOMEM); | |
| 31 | ✗ | goto fail; | |
| 32 | } | ||
| 33 | |||
| 34 | ✗ | ret = av_frame_copy_props(out, in); | |
| 35 | ✗ | if (ret < 0) | |
| 36 | ✗ | goto fail; | |
| 37 | ✗ | ret = av_frame_copy(out, in); | |
| 38 | ✗ | if (ret < 0) | |
| 39 | ✗ | goto fail; | |
| 40 | ✗ | av_frame_free(&in); | |
| 41 | ✗ | return ff_filter_frame(outlink, out); | |
| 42 | ✗ | fail: | |
| 43 | ✗ | av_frame_free(&in); | |
| 44 | ✗ | av_frame_free(&out); | |
| 45 | ✗ | return ret; | |
| 46 | } | ||
| 47 | |||
| 48 | static const AVFilterPad acopy_inputs[] = { | ||
| 49 | { | ||
| 50 | .name = "default", | ||
| 51 | .type = AVMEDIA_TYPE_AUDIO, | ||
| 52 | .filter_frame = filter_frame, | ||
| 53 | }, | ||
| 54 | }; | ||
| 55 | |||
| 56 | const AVFilter ff_af_acopy = { | ||
| 57 | .name = "acopy", | ||
| 58 | .description = NULL_IF_CONFIG_SMALL("Copy the input audio unchanged to the output."), | ||
| 59 | .flags = AVFILTER_FLAG_METADATA_ONLY, | ||
| 60 | FILTER_INPUTS(acopy_inputs), | ||
| 61 | FILTER_OUTPUTS(ff_audio_default_filterpad), | ||
| 62 | }; | ||
| 63 |