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97 lines
2.8 KiB
97 lines
2.8 KiB
/* |
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* Null codecs |
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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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#include "config_components.h" |
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#include "codec_internal.h" |
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#include "decode.h" |
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#include "encode.h" |
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#if CONFIG_VNULL_DECODER || CONFIG_ANULL_DECODER |
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static int null_decode(AVCodecContext *avctx, AVFrame *frame, |
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int *got_frame, AVPacket *avpkt) |
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{ |
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*got_frame = 0; |
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return avpkt->size; |
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} |
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#if CONFIG_VNULL_DECODER |
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const FFCodec ff_vnull_decoder = { |
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.p.name = "vnull", |
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CODEC_LONG_NAME("null video"), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_VNULL, |
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.p.capabilities = AV_CODEC_CAP_DR1, |
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FF_CODEC_DECODE_CB(null_decode), |
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}; |
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#endif |
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#if CONFIG_ANULL_DECODER |
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const FFCodec ff_anull_decoder = { |
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.p.name = "anull", |
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CODEC_LONG_NAME("null audio"), |
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.p.type = AVMEDIA_TYPE_AUDIO, |
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.p.id = AV_CODEC_ID_ANULL, |
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.p.capabilities = AV_CODEC_CAP_DR1, |
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FF_CODEC_DECODE_CB(null_decode), |
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}; |
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#endif |
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#endif |
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#if CONFIG_VNULL_ENCODER || CONFIG_ANULL_ENCODER |
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static int null_encode(AVCodecContext *avctx, AVPacket *pkt, |
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const AVFrame *frame, int *got_packet) |
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{ |
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*got_packet = 0; |
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return 0; |
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} |
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#if CONFIG_VNULL_ENCODER |
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const FFCodec ff_vnull_encoder = { |
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.p.name = "vnull", |
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CODEC_LONG_NAME("null video"), |
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.p.type = AVMEDIA_TYPE_VIDEO, |
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.p.id = AV_CODEC_ID_VNULL, |
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FF_CODEC_ENCODE_CB(null_encode), |
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}; |
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#endif |
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#if CONFIG_ANULL_ENCODER |
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const FFCodec ff_anull_encoder = { |
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.p.name = "anull", |
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CODEC_LONG_NAME("null audio"), |
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.p.type = AVMEDIA_TYPE_AUDIO, |
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.p.id = AV_CODEC_ID_ANULL, |
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.p.capabilities = AV_CODEC_CAP_VARIABLE_FRAME_SIZE, |
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.p.sample_fmts = (const enum AVSampleFormat[]){ |
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AV_SAMPLE_FMT_U8, AV_SAMPLE_FMT_U8P, |
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AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, |
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AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S32P, |
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AV_SAMPLE_FMT_S64, AV_SAMPLE_FMT_S64P, |
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AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, |
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AV_SAMPLE_FMT_DBL, AV_SAMPLE_FMT_DBLP, |
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AV_SAMPLE_FMT_NONE, |
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}, |
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FF_CODEC_ENCODE_CB(null_encode), |
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}; |
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#endif |
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#endif
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