| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Null codecs | ||
| 3 | * | ||
| 4 | * This file is part of FFmpeg. | ||
| 5 | * | ||
| 6 | * FFmpeg is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU Lesser General Public | ||
| 8 | * License as published by the Free Software Foundation; either | ||
| 9 | * version 2.1 of the License, or (at your option) any later version. | ||
| 10 | * | ||
| 11 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 14 | * Lesser General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU Lesser General Public | ||
| 17 | * License along with FFmpeg; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "config_components.h" | ||
| 22 | |||
| 23 | #include "codec_internal.h" | ||
| 24 | #include "decode.h" | ||
| 25 | #include "encode.h" | ||
| 26 | |||
| 27 | #if CONFIG_VNULL_DECODER || CONFIG_ANULL_DECODER | ||
| 28 | ✗ | static int null_decode(AVCodecContext *avctx, AVFrame *frame, | |
| 29 | int *got_frame, AVPacket *avpkt) | ||
| 30 | { | ||
| 31 | ✗ | *got_frame = 0; | |
| 32 | ✗ | return avpkt->size; | |
| 33 | } | ||
| 34 | |||
| 35 | #if CONFIG_VNULL_DECODER | ||
| 36 | const FFCodec ff_vnull_decoder = { | ||
| 37 | .p.name = "vnull", | ||
| 38 | CODEC_LONG_NAME("null video"), | ||
| 39 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 40 | .p.id = AV_CODEC_ID_VNULL, | ||
| 41 | .p.capabilities = AV_CODEC_CAP_DR1, | ||
| 42 | FF_CODEC_DECODE_CB(null_decode), | ||
| 43 | }; | ||
| 44 | #endif | ||
| 45 | |||
| 46 | #if CONFIG_ANULL_DECODER | ||
| 47 | const FFCodec ff_anull_decoder = { | ||
| 48 | .p.name = "anull", | ||
| 49 | CODEC_LONG_NAME("null audio"), | ||
| 50 | .p.type = AVMEDIA_TYPE_AUDIO, | ||
| 51 | .p.id = AV_CODEC_ID_ANULL, | ||
| 52 | .p.capabilities = AV_CODEC_CAP_DR1, | ||
| 53 | FF_CODEC_DECODE_CB(null_decode), | ||
| 54 | }; | ||
| 55 | #endif | ||
| 56 | |||
| 57 | #endif | ||
| 58 | |||
| 59 | #if CONFIG_VNULL_ENCODER || CONFIG_ANULL_ENCODER | ||
| 60 | ✗ | static int null_encode(AVCodecContext *avctx, AVPacket *pkt, | |
| 61 | const AVFrame *frame, int *got_packet) | ||
| 62 | { | ||
| 63 | ✗ | *got_packet = 0; | |
| 64 | ✗ | return 0; | |
| 65 | } | ||
| 66 | |||
| 67 | #if CONFIG_VNULL_ENCODER | ||
| 68 | const FFCodec ff_vnull_encoder = { | ||
| 69 | .p.name = "vnull", | ||
| 70 | CODEC_LONG_NAME("null video"), | ||
| 71 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 72 | .p.id = AV_CODEC_ID_VNULL, | ||
| 73 | FF_CODEC_ENCODE_CB(null_encode), | ||
| 74 | }; | ||
| 75 | #endif | ||
| 76 | |||
| 77 | #if CONFIG_ANULL_ENCODER | ||
| 78 | const FFCodec ff_anull_encoder = { | ||
| 79 | .p.name = "anull", | ||
| 80 | CODEC_LONG_NAME("null audio"), | ||
| 81 | .p.type = AVMEDIA_TYPE_AUDIO, | ||
| 82 | .p.id = AV_CODEC_ID_ANULL, | ||
| 83 | .p.capabilities = AV_CODEC_CAP_VARIABLE_FRAME_SIZE, | ||
| 84 | .p.sample_fmts = (const enum AVSampleFormat[]){ | ||
| 85 | AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8P, | ||
| 86 | AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, | ||
| 87 | AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32P, | ||
| 88 | AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64P, | ||
| 89 | AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, | ||
| 90 | AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBLP, | ||
| 91 | AV_SAMPLE_FMT_NONE, | ||
| 92 | }, | ||
| 93 | FF_CODEC_ENCODE_CB(null_encode), | ||
| 94 | }; | ||
| 95 | #endif | ||
| 96 | |||
| 97 | #endif | ||
| 98 |